From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Thu, 18 Jun 2009 20:21:18 +0000 (-0400)
Subject: Cleanup verif directory.
X-Git-Tag: v0.1~128
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=8322221dc666e720badeb06bc780a1f8e69020a0;p=userspace-rcu.git

Cleanup verif directory.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
---

diff --git a/formal-model/ooomem-two-writes/DEFINES b/formal-model/ooomem-two-writes/DEFINES
index e74150d..e7b6f10 100644
--- a/formal-model/ooomem-two-writes/DEFINES
+++ b/formal-model/ooomem-two-writes/DEFINES
@@ -1,2 +1,4 @@
 #define read_one_is_zero (read_one == 0)
 #define read_two_is_zero (read_two == 0)
+#define read_one_is_one (read_one == 1)
+#define read_two_is_one (read_two == 1)
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/.input.spin b/formal-model/results/urcu-controldataflow-ipi-intel/.input.spin
deleted file mode 100644
index 8afab6a..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/.input.spin
+++ /dev/null
@@ -1,1249 +0,0 @@
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-
-//#define ARCH_ALPHA
-#define ARCH_INTEL
-//#define ARCH_POWERPC
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Only Alpha has out-of-order cache bank loads. Other architectures (intel,
- * powerpc, arm) ensure that dependent reads won't be reordered. c.f.
- * http://www.linuxjournal.com/article/8212)
-#ifdef ARCH_ALPHA
-#define HAVE_OOO_CACHE_READ
-#endif
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i)
-{
-	atomic {
-		smp_wmb(i);
-		smp_rmb(i);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i)
-#define smp_mb_reader	smp_mb(i)
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-#ifdef HAVE_OOO_CACHE_READ
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-#else
-		smp_rmb(i);
-#endif /* HAVE_OOO_CACHE_READ */
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/DEFINES b/formal-model/results/urcu-controldataflow-ipi-intel/DEFINES
deleted file mode 100644
index abea5ff..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/DEFINES
+++ /dev/null
@@ -1,18 +0,0 @@
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-
-//#define ARCH_ALPHA
-#define ARCH_INTEL
-//#define ARCH_POWERPC
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/Makefile b/formal-model/results/urcu-controldataflow-ipi-intel/Makefile
deleted file mode 100644
index de47dff..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/Makefile
+++ /dev/null
@@ -1,170 +0,0 @@
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
-# Copyright (C) Mathieu Desnoyers, 2009
-#
-# Authors: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
-
-#CFLAGS=-DSAFETY
-#for multi-core verif, 15.5GB shared mem, use files if full
-#CFLAGS=-DHASH64 -DMEMLIM=15500 -DNCORE=2
-#CFLAGS=-DHASH64 -DCOLLAPSE -DMA=88 -DMEMLIM=15500 -DNCORE=8
-
-#liveness
-#CFLAGS=-DHASH64 -DCOLLAPSE -DMA=88
-CFLAGS=-DHASH64
-
-SPINFILE=urcu.spin
-
-default:
-	make urcu_free | tee urcu_free.log
-	make urcu_free_no_mb | tee urcu_free_no_mb.log
-	make urcu_free_no_rmb | tee urcu_free_no_rmb.log
-	make urcu_free_no_wmb | tee urcu_free_no_wmb.log
-	make urcu_free_single_flip | tee urcu_free_single_flip.log
-	make urcu_progress_writer | tee urcu_progress_writer.log
-	make urcu_progress_reader | tee urcu_progress_reader.log
-	make urcu_progress_writer_error | tee urcu_progress_writer_error.log
-	make asserts | tee asserts.log
-	make summary
-
-#show trail : spin -v -t -N pan.ltl input.spin
-# after each individual make.
-
-summary:
-	@echo
-	@echo "Verification summary"
-	@grep errors: *.log
-
-asserts: clean
-	cat DEFINES > .input.spin
-	cat ${SPINFILE} >> .input.spin
-	rm -f .input.spin.trail
-	spin -a -X .input.spin
-	gcc -O2 -w ${CFLAGS} -DSAFETY -o pan pan.c
-	./pan -v -c1 -X -m10000000 -w20
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free: clean urcu_free_ltl run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_nested: clean urcu_free_ltl urcu_free_nested_define run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_nested_define:
-	cp urcu_free_nested.define .input.define
-
-urcu_free_no_rmb: clean urcu_free_ltl urcu_free_no_rmb_define run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_no_rmb_define:
-	cp urcu_free_no_rmb.define .input.define
-
-urcu_free_no_wmb: clean urcu_free_ltl urcu_free_no_wmb_define run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_no_wmb_define:
-	cp urcu_free_no_wmb.define .input.define
-
-urcu_free_no_mb: clean urcu_free_ltl urcu_free_no_mb_define run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_no_mb_define:
-	cp urcu_free_no_mb.define .input.define
-
-urcu_free_single_flip: clean urcu_free_ltl urcu_free_single_flip_define run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_single_flip_define:
-	cp urcu_free_single_flip.define .input.define
-
-urcu_free_ltl:
-	touch .input.define
-	cat .input.define >> pan.ltl
-	cat DEFINES >> pan.ltl
-	spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl
-
-# Progress checks
-
-urcu_progress_writer: clean urcu_progress_writer_ltl \
-		urcu_progress_writer_define run_weak_fair
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_progress_writer_define:
-	cp urcu_progress_writer.define .input.define
-
-urcu_progress_writer_ltl:
-	touch .input.define
-	cat .input.define > pan.ltl
-	cat DEFINES >> pan.ltl
-	spin -f "!(`cat urcu_progress.ltl | grep -v ^//`)" >> pan.ltl
-
-urcu_progress_reader: clean urcu_progress_reader_ltl \
-		urcu_progress_reader_define run_weak_fair
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_progress_reader_define:
-	cp urcu_progress_reader.define .input.define
-
-urcu_progress_reader_ltl:
-	touch .input.define
-	cat .input.define > pan.ltl
-	cat DEFINES >> pan.ltl
-	spin -f "!(`cat urcu_progress.ltl | grep -v ^//`)" >> pan.ltl
-
-urcu_progress_writer_error: clean urcu_progress_writer_error_ltl \
-		urcu_progress_writer_error_define run_weak_fair
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_progress_writer_error_define:
-	cp urcu_progress_writer_error.define .input.define
-
-urcu_progress_writer_error_ltl:
-	touch .input.define
-	cat .input.define > pan.ltl
-	cat DEFINES >> pan.ltl
-	spin -f "!(`cat urcu_progress.ltl | grep -v ^//`)" >> pan.ltl
-
-
-run_weak_fair: pan
-	./pan -a -f -v -c1 -X -m10000000 -w20
-
-run: pan
-	./pan -a -v -c1 -X -m10000000 -w20
-
-pan: pan.c
-	gcc -O2 -w ${CFLAGS} -o pan pan.c
-
-pan.c: pan.ltl ${SPINFILE}
-	cat .input.define > .input.spin
-	cat DEFINES >> .input.spin
-	cat ${SPINFILE} >> .input.spin
-	rm -f .input.spin.trail
-	spin -a -X -N pan.ltl .input.spin
-
-.PHONY: clean default distclean summary
-clean:
-	rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-distclean:
-	rm -f *.trail *.input *.log
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/asserts.log b/formal-model/results/urcu-controldataflow-ipi-intel/asserts.log
deleted file mode 100644
index ddccacb..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/asserts.log
+++ /dev/null
@@ -1,473 +0,0 @@
-make[1]: Entering directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-cat DEFINES > .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -DSAFETY -o pan pan.c
-./pan -v -c1 -X -m10000000 -w20
-Depth=    5407 States=    1e+06 Transitions= 5.87e+06 Memory=   542.717	t=   11.7 R=   9e+04
-Depth=    5407 States=    2e+06 Transitions= 1.64e+07 Memory=   618.986	t=   35.3 R=   6e+04
-Depth=    5407 States=    3e+06 Transitions= 3.29e+07 Memory=   695.256	t=   74.2 R=   4e+04
-pan: resizing hashtable to -w22..  done
-Depth=    5407 States=    4e+06 Transitions= 4.33e+07 Memory=   802.647	t=   97.9 R=   4e+04
-Depth=    5407 States=    5e+06 Transitions=  5.2e+07 Memory=   878.916	t=    117 R=   4e+04
-Depth=    5407 States=    6e+06 Transitions= 5.99e+07 Memory=   955.186	t=    134 R=   4e+04
-Depth=    5407 States=    7e+06 Transitions= 7.13e+07 Memory=  1031.455	t=    160 R=   4e+04
-Depth=    5407 States=    8e+06 Transitions= 8.71e+07 Memory=  1107.822	t=    198 R=   4e+04
-Depth=    5407 States=    9e+06 Transitions= 9.81e+07 Memory=  1184.092	t=    223 R=   4e+04
-pan: resizing hashtable to -w24..  done
-Depth=    5407 States=    1e+07 Transitions= 1.07e+08 Memory=  1384.455	t=    244 R=   4e+04
-Depth=    5407 States=  1.1e+07 Transitions= 1.14e+08 Memory=  1460.725	t=    260 R=   4e+04
-Depth=    5407 States=  1.2e+07 Transitions= 1.27e+08 Memory=  1536.994	t=    288 R=   4e+04
-
-(Spin Version 5.1.7 -- 23 December 2008)
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	- (none specified)
-	assertion violations	+
-	cycle checks       	- (disabled by -DSAFETY)
-	invalid end states	+
-
-State-vector 72 byte, depth reached 5407, errors: 0
- 12141896 states, stored
-1.1623987e+08 states, matched
-1.2838176e+08 transitions (= stored+matched)
-1.9407117e+09 atomic steps
-hash conflicts:  98957892 (resolved)
-
-Stats on memory usage (in Megabytes):
- 1157.941	equivalent memory usage for states (stored*(State-vector + overhead))
-  962.219	actual memory usage for states (compression: 83.10%)
-         	state-vector as stored = 55 byte + 28 byte overhead
-  128.000	memory used for hash table (-w24)
-  457.764	memory used for DFS stack (-m10000000)
- 1547.834	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 261, ".input.spin", state 30, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 269, ".input.spin", state 52, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 273, ".input.spin", state 61, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, ".input.spin", state 77, "(1)"
-	line 242, ".input.spin", state 85, "(1)"
-	line 246, ".input.spin", state 97, "(1)"
-	line 250, ".input.spin", state 105, "(1)"
-	line 400, ".input.spin", state 131, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, ".input.spin", state 163, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, ".input.spin", state 177, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, ".input.spin", state 195, "(1)"
-	line 246, ".input.spin", state 215, "(1)"
-	line 250, ".input.spin", state 223, "(1)"
-	line 679, ".input.spin", state 242, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 400, ".input.spin", state 249, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, ".input.spin", state 281, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, ".input.spin", state 295, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, ".input.spin", state 313, "(1)"
-	line 246, ".input.spin", state 333, "(1)"
-	line 250, ".input.spin", state 341, "(1)"
-	line 400, ".input.spin", state 360, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, ".input.spin", state 392, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, ".input.spin", state 406, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, ".input.spin", state 424, "(1)"
-	line 246, ".input.spin", state 444, "(1)"
-	line 250, ".input.spin", state 452, "(1)"
-	line 400, ".input.spin", state 473, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 400, ".input.spin", state 475, "(1)"
-	line 400, ".input.spin", state 476, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 400, ".input.spin", state 476, "else"
-	line 400, ".input.spin", state 479, "(1)"
-	line 404, ".input.spin", state 487, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, ".input.spin", state 489, "(1)"
-	line 404, ".input.spin", state 490, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 404, ".input.spin", state 490, "else"
-	line 404, ".input.spin", state 493, "(1)"
-	line 404, ".input.spin", state 494, "(1)"
-	line 404, ".input.spin", state 494, "(1)"
-	line 402, ".input.spin", state 499, "((i<1))"
-	line 402, ".input.spin", state 499, "((i>=1))"
-	line 409, ".input.spin", state 505, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, ".input.spin", state 507, "(1)"
-	line 409, ".input.spin", state 508, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 409, ".input.spin", state 508, "else"
-	line 409, ".input.spin", state 511, "(1)"
-	line 409, ".input.spin", state 512, "(1)"
-	line 409, ".input.spin", state 512, "(1)"
-	line 413, ".input.spin", state 519, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, ".input.spin", state 521, "(1)"
-	line 413, ".input.spin", state 522, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 413, ".input.spin", state 522, "else"
-	line 413, ".input.spin", state 525, "(1)"
-	line 413, ".input.spin", state 526, "(1)"
-	line 413, ".input.spin", state 526, "(1)"
-	line 411, ".input.spin", state 531, "((i<2))"
-	line 411, ".input.spin", state 531, "((i>=2))"
-	line 238, ".input.spin", state 537, "(1)"
-	line 242, ".input.spin", state 545, "(1)"
-	line 242, ".input.spin", state 546, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 242, ".input.spin", state 546, "else"
-	line 240, ".input.spin", state 551, "((i<1))"
-	line 240, ".input.spin", state 551, "((i>=1))"
-	line 246, ".input.spin", state 557, "(1)"
-	line 246, ".input.spin", state 558, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 246, ".input.spin", state 558, "else"
-	line 250, ".input.spin", state 565, "(1)"
-	line 250, ".input.spin", state 566, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 250, ".input.spin", state 566, "else"
-	line 248, ".input.spin", state 571, "((i<2))"
-	line 248, ".input.spin", state 571, "((i>=2))"
-	line 255, ".input.spin", state 575, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 255, ".input.spin", state 575, "else"
-	line 420, ".input.spin", state 577, "(1)"
-	line 420, ".input.spin", state 577, "(1)"
-	line 679, ".input.spin", state 580, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 679, ".input.spin", state 581, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 679, ".input.spin", state 582, "(1)"
-	line 400, ".input.spin", state 589, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, ".input.spin", state 621, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, ".input.spin", state 635, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, ".input.spin", state 653, "(1)"
-	line 246, ".input.spin", state 673, "(1)"
-	line 250, ".input.spin", state 681, "(1)"
-	line 400, ".input.spin", state 707, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 400, ".input.spin", state 709, "(1)"
-	line 400, ".input.spin", state 710, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 400, ".input.spin", state 710, "else"
-	line 400, ".input.spin", state 713, "(1)"
-	line 404, ".input.spin", state 721, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, ".input.spin", state 723, "(1)"
-	line 404, ".input.spin", state 724, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 404, ".input.spin", state 724, "else"
-	line 404, ".input.spin", state 727, "(1)"
-	line 404, ".input.spin", state 728, "(1)"
-	line 404, ".input.spin", state 728, "(1)"
-	line 402, ".input.spin", state 733, "((i<1))"
-	line 402, ".input.spin", state 733, "((i>=1))"
-	line 409, ".input.spin", state 739, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, ".input.spin", state 741, "(1)"
-	line 409, ".input.spin", state 742, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 409, ".input.spin", state 742, "else"
-	line 409, ".input.spin", state 745, "(1)"
-	line 409, ".input.spin", state 746, "(1)"
-	line 409, ".input.spin", state 746, "(1)"
-	line 413, ".input.spin", state 753, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, ".input.spin", state 755, "(1)"
-	line 413, ".input.spin", state 756, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 413, ".input.spin", state 756, "else"
-	line 413, ".input.spin", state 759, "(1)"
-	line 413, ".input.spin", state 760, "(1)"
-	line 413, ".input.spin", state 760, "(1)"
-	line 411, ".input.spin", state 765, "((i<2))"
-	line 411, ".input.spin", state 765, "((i>=2))"
-	line 238, ".input.spin", state 771, "(1)"
-	line 242, ".input.spin", state 779, "(1)"
-	line 242, ".input.spin", state 780, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 242, ".input.spin", state 780, "else"
-	line 240, ".input.spin", state 785, "((i<1))"
-	line 240, ".input.spin", state 785, "((i>=1))"
-	line 246, ".input.spin", state 791, "(1)"
-	line 246, ".input.spin", state 792, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 246, ".input.spin", state 792, "else"
-	line 250, ".input.spin", state 799, "(1)"
-	line 250, ".input.spin", state 800, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 250, ".input.spin", state 800, "else"
-	line 255, ".input.spin", state 809, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 255, ".input.spin", state 809, "else"
-	line 420, ".input.spin", state 811, "(1)"
-	line 420, ".input.spin", state 811, "(1)"
-	line 400, ".input.spin", state 818, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 400, ".input.spin", state 820, "(1)"
-	line 400, ".input.spin", state 821, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 400, ".input.spin", state 821, "else"
-	line 400, ".input.spin", state 824, "(1)"
-	line 404, ".input.spin", state 832, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, ".input.spin", state 834, "(1)"
-	line 404, ".input.spin", state 835, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 404, ".input.spin", state 835, "else"
-	line 404, ".input.spin", state 838, "(1)"
-	line 404, ".input.spin", state 839, "(1)"
-	line 404, ".input.spin", state 839, "(1)"
-	line 402, ".input.spin", state 844, "((i<1))"
-	line 402, ".input.spin", state 844, "((i>=1))"
-	line 409, ".input.spin", state 850, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, ".input.spin", state 852, "(1)"
-	line 409, ".input.spin", state 853, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 409, ".input.spin", state 853, "else"
-	line 409, ".input.spin", state 856, "(1)"
-	line 409, ".input.spin", state 857, "(1)"
-	line 409, ".input.spin", state 857, "(1)"
-	line 413, ".input.spin", state 864, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, ".input.spin", state 866, "(1)"
-	line 413, ".input.spin", state 867, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 413, ".input.spin", state 867, "else"
-	line 413, ".input.spin", state 870, "(1)"
-	line 413, ".input.spin", state 871, "(1)"
-	line 413, ".input.spin", state 871, "(1)"
-	line 411, ".input.spin", state 876, "((i<2))"
-	line 411, ".input.spin", state 876, "((i>=2))"
-	line 238, ".input.spin", state 882, "(1)"
-	line 242, ".input.spin", state 890, "(1)"
-	line 242, ".input.spin", state 891, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 242, ".input.spin", state 891, "else"
-	line 240, ".input.spin", state 896, "((i<1))"
-	line 240, ".input.spin", state 896, "((i>=1))"
-	line 246, ".input.spin", state 902, "(1)"
-	line 246, ".input.spin", state 903, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 246, ".input.spin", state 903, "else"
-	line 250, ".input.spin", state 910, "(1)"
-	line 250, ".input.spin", state 911, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 250, ".input.spin", state 911, "else"
-	line 248, ".input.spin", state 916, "((i<2))"
-	line 248, ".input.spin", state 916, "((i>=2))"
-	line 255, ".input.spin", state 920, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 255, ".input.spin", state 920, "else"
-	line 420, ".input.spin", state 922, "(1)"
-	line 420, ".input.spin", state 922, "(1)"
-	line 687, ".input.spin", state 926, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 400, ".input.spin", state 931, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, ".input.spin", state 963, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, ".input.spin", state 977, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, ".input.spin", state 995, "(1)"
-	line 246, ".input.spin", state 1015, "(1)"
-	line 250, ".input.spin", state 1023, "(1)"
-	line 400, ".input.spin", state 1045, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, ".input.spin", state 1077, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, ".input.spin", state 1091, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, ".input.spin", state 1109, "(1)"
-	line 246, ".input.spin", state 1129, "(1)"
-	line 250, ".input.spin", state 1137, "(1)"
-	line 400, ".input.spin", state 1160, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, ".input.spin", state 1192, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, ".input.spin", state 1206, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, ".input.spin", state 1224, "(1)"
-	line 246, ".input.spin", state 1244, "(1)"
-	line 250, ".input.spin", state 1252, "(1)"
-	line 400, ".input.spin", state 1271, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, ".input.spin", state 1303, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, ".input.spin", state 1317, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, ".input.spin", state 1335, "(1)"
-	line 246, ".input.spin", state 1355, "(1)"
-	line 250, ".input.spin", state 1363, "(1)"
-	line 400, ".input.spin", state 1387, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, ".input.spin", state 1419, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, ".input.spin", state 1433, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, ".input.spin", state 1451, "(1)"
-	line 246, ".input.spin", state 1471, "(1)"
-	line 250, ".input.spin", state 1479, "(1)"
-	line 400, ".input.spin", state 1498, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, ".input.spin", state 1530, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, ".input.spin", state 1544, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, ".input.spin", state 1562, "(1)"
-	line 246, ".input.spin", state 1582, "(1)"
-	line 250, ".input.spin", state 1590, "(1)"
-	line 400, ".input.spin", state 1612, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, ".input.spin", state 1644, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, ".input.spin", state 1658, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, ".input.spin", state 1676, "(1)"
-	line 246, ".input.spin", state 1696, "(1)"
-	line 250, ".input.spin", state 1704, "(1)"
-	line 726, ".input.spin", state 1723, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 400, ".input.spin", state 1730, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, ".input.spin", state 1762, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, ".input.spin", state 1776, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, ".input.spin", state 1794, "(1)"
-	line 246, ".input.spin", state 1814, "(1)"
-	line 250, ".input.spin", state 1822, "(1)"
-	line 400, ".input.spin", state 1841, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, ".input.spin", state 1873, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, ".input.spin", state 1887, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, ".input.spin", state 1905, "(1)"
-	line 246, ".input.spin", state 1925, "(1)"
-	line 250, ".input.spin", state 1933, "(1)"
-	line 400, ".input.spin", state 1954, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 400, ".input.spin", state 1956, "(1)"
-	line 400, ".input.spin", state 1957, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 400, ".input.spin", state 1957, "else"
-	line 400, ".input.spin", state 1960, "(1)"
-	line 404, ".input.spin", state 1968, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, ".input.spin", state 1970, "(1)"
-	line 404, ".input.spin", state 1971, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 404, ".input.spin", state 1971, "else"
-	line 404, ".input.spin", state 1974, "(1)"
-	line 404, ".input.spin", state 1975, "(1)"
-	line 404, ".input.spin", state 1975, "(1)"
-	line 402, ".input.spin", state 1980, "((i<1))"
-	line 402, ".input.spin", state 1980, "((i>=1))"
-	line 409, ".input.spin", state 1986, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, ".input.spin", state 1988, "(1)"
-	line 409, ".input.spin", state 1989, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 409, ".input.spin", state 1989, "else"
-	line 409, ".input.spin", state 1992, "(1)"
-	line 409, ".input.spin", state 1993, "(1)"
-	line 409, ".input.spin", state 1993, "(1)"
-	line 413, ".input.spin", state 2000, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, ".input.spin", state 2002, "(1)"
-	line 413, ".input.spin", state 2003, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 413, ".input.spin", state 2003, "else"
-	line 413, ".input.spin", state 2006, "(1)"
-	line 413, ".input.spin", state 2007, "(1)"
-	line 413, ".input.spin", state 2007, "(1)"
-	line 411, ".input.spin", state 2012, "((i<2))"
-	line 411, ".input.spin", state 2012, "((i>=2))"
-	line 238, ".input.spin", state 2018, "(1)"
-	line 242, ".input.spin", state 2026, "(1)"
-	line 242, ".input.spin", state 2027, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 242, ".input.spin", state 2027, "else"
-	line 240, ".input.spin", state 2032, "((i<1))"
-	line 240, ".input.spin", state 2032, "((i>=1))"
-	line 246, ".input.spin", state 2038, "(1)"
-	line 246, ".input.spin", state 2039, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 246, ".input.spin", state 2039, "else"
-	line 250, ".input.spin", state 2046, "(1)"
-	line 250, ".input.spin", state 2047, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 250, ".input.spin", state 2047, "else"
-	line 248, ".input.spin", state 2052, "((i<2))"
-	line 248, ".input.spin", state 2052, "((i>=2))"
-	line 255, ".input.spin", state 2056, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 255, ".input.spin", state 2056, "else"
-	line 420, ".input.spin", state 2058, "(1)"
-	line 420, ".input.spin", state 2058, "(1)"
-	line 726, ".input.spin", state 2061, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 726, ".input.spin", state 2062, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 726, ".input.spin", state 2063, "(1)"
-	line 400, ".input.spin", state 2070, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, ".input.spin", state 2102, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, ".input.spin", state 2116, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, ".input.spin", state 2134, "(1)"
-	line 246, ".input.spin", state 2154, "(1)"
-	line 250, ".input.spin", state 2162, "(1)"
-	line 400, ".input.spin", state 2187, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, ".input.spin", state 2219, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, ".input.spin", state 2233, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, ".input.spin", state 2251, "(1)"
-	line 246, ".input.spin", state 2271, "(1)"
-	line 250, ".input.spin", state 2279, "(1)"
-	line 400, ".input.spin", state 2298, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, ".input.spin", state 2330, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, ".input.spin", state 2344, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, ".input.spin", state 2362, "(1)"
-	line 246, ".input.spin", state 2382, "(1)"
-	line 250, ".input.spin", state 2390, "(1)"
-	line 238, ".input.spin", state 2421, "(1)"
-	line 246, ".input.spin", state 2441, "(1)"
-	line 250, ".input.spin", state 2449, "(1)"
-	line 238, ".input.spin", state 2464, "(1)"
-	line 246, ".input.spin", state 2484, "(1)"
-	line 250, ".input.spin", state 2492, "(1)"
-	line 886, ".input.spin", state 2509, "-end-"
-	(246 of 2509 states)
-unreached in proctype urcu_writer
-	line 400, ".input.spin", state 18, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, ".input.spin", state 32, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 409, ".input.spin", state 50, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 238, ".input.spin", state 82, "(1)"
-	line 242, ".input.spin", state 90, "(1)"
-	line 246, ".input.spin", state 102, "(1)"
-	line 261, ".input.spin", state 131, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 265, ".input.spin", state 140, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 269, ".input.spin", state 153, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, ".input.spin", state 193, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, ".input.spin", state 207, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 409, ".input.spin", state 225, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, ".input.spin", state 239, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, ".input.spin", state 257, "(1)"
-	line 242, ".input.spin", state 265, "(1)"
-	line 246, ".input.spin", state 277, "(1)"
-	line 250, ".input.spin", state 285, "(1)"
-	line 404, ".input.spin", state 320, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 409, ".input.spin", state 338, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, ".input.spin", state 352, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 242, ".input.spin", state 378, "(1)"
-	line 246, ".input.spin", state 390, "(1)"
-	line 250, ".input.spin", state 398, "(1)"
-	line 404, ".input.spin", state 440, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 409, ".input.spin", state 458, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, ".input.spin", state 472, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 242, ".input.spin", state 498, "(1)"
-	line 246, ".input.spin", state 510, "(1)"
-	line 250, ".input.spin", state 518, "(1)"
-	line 404, ".input.spin", state 551, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 409, ".input.spin", state 569, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, ".input.spin", state 583, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 242, ".input.spin", state 609, "(1)"
-	line 246, ".input.spin", state 621, "(1)"
-	line 250, ".input.spin", state 629, "(1)"
-	line 404, ".input.spin", state 664, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 409, ".input.spin", state 682, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, ".input.spin", state 696, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 242, ".input.spin", state 722, "(1)"
-	line 246, ".input.spin", state 734, "(1)"
-	line 250, ".input.spin", state 742, "(1)"
-	line 261, ".input.spin", state 795, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 265, ".input.spin", state 804, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 269, ".input.spin", state 819, "(1)"
-	line 273, ".input.spin", state 826, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, ".input.spin", state 842, "(1)"
-	line 242, ".input.spin", state 850, "(1)"
-	line 246, ".input.spin", state 862, "(1)"
-	line 250, ".input.spin", state 870, "(1)"
-	line 261, ".input.spin", state 901, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 265, ".input.spin", state 910, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 269, ".input.spin", state 923, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 273, ".input.spin", state 932, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, ".input.spin", state 948, "(1)"
-	line 242, ".input.spin", state 956, "(1)"
-	line 246, ".input.spin", state 968, "(1)"
-	line 250, ".input.spin", state 976, "(1)"
-	line 265, ".input.spin", state 1002, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 269, ".input.spin", state 1015, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 273, ".input.spin", state 1024, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, ".input.spin", state 1040, "(1)"
-	line 242, ".input.spin", state 1048, "(1)"
-	line 246, ".input.spin", state 1060, "(1)"
-	line 250, ".input.spin", state 1068, "(1)"
-	line 261, ".input.spin", state 1099, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 265, ".input.spin", state 1108, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 269, ".input.spin", state 1121, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 273, ".input.spin", state 1130, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, ".input.spin", state 1146, "(1)"
-	line 242, ".input.spin", state 1154, "(1)"
-	line 246, ".input.spin", state 1166, "(1)"
-	line 250, ".input.spin", state 1174, "(1)"
-	line 265, ".input.spin", state 1200, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 269, ".input.spin", state 1213, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 273, ".input.spin", state 1222, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, ".input.spin", state 1238, "(1)"
-	line 242, ".input.spin", state 1246, "(1)"
-	line 246, ".input.spin", state 1258, "(1)"
-	line 250, ".input.spin", state 1266, "(1)"
-	line 261, ".input.spin", state 1297, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 265, ".input.spin", state 1306, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 269, ".input.spin", state 1319, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 273, ".input.spin", state 1328, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, ".input.spin", state 1344, "(1)"
-	line 242, ".input.spin", state 1352, "(1)"
-	line 246, ".input.spin", state 1364, "(1)"
-	line 250, ".input.spin", state 1372, "(1)"
-	line 265, ".input.spin", state 1398, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 269, ".input.spin", state 1411, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 273, ".input.spin", state 1420, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, ".input.spin", state 1436, "(1)"
-	line 242, ".input.spin", state 1444, "(1)"
-	line 246, ".input.spin", state 1456, "(1)"
-	line 250, ".input.spin", state 1464, "(1)"
-	line 261, ".input.spin", state 1495, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 265, ".input.spin", state 1504, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 269, ".input.spin", state 1517, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 273, ".input.spin", state 1526, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, ".input.spin", state 1542, "(1)"
-	line 242, ".input.spin", state 1550, "(1)"
-	line 246, ".input.spin", state 1562, "(1)"
-	line 250, ".input.spin", state 1570, "(1)"
-	line 1213, ".input.spin", state 1586, "-end-"
-	(103 of 1586 states)
-unreached in proctype :init:
-	(0 of 78 states)
-
-pan: elapsed time 291 seconds
-pan: rate 41688.913 states/second
-pan: avg transition delay 2.2686e-06 usec
-cp .input.spin asserts.spin.input
-cp .input.spin.trail asserts.spin.input.trail
-make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/asserts.spin.input b/formal-model/results/urcu-controldataflow-ipi-intel/asserts.spin.input
deleted file mode 100644
index 8afab6a..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/asserts.spin.input
+++ /dev/null
@@ -1,1249 +0,0 @@
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-
-//#define ARCH_ALPHA
-#define ARCH_INTEL
-//#define ARCH_POWERPC
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Only Alpha has out-of-order cache bank loads. Other architectures (intel,
- * powerpc, arm) ensure that dependent reads won't be reordered. c.f.
- * http://www.linuxjournal.com/article/8212)
-#ifdef ARCH_ALPHA
-#define HAVE_OOO_CACHE_READ
-#endif
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i)
-{
-	atomic {
-		smp_wmb(i);
-		smp_rmb(i);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i)
-#define smp_mb_reader	smp_mb(i)
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-#ifdef HAVE_OOO_CACHE_READ
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-#else
-		smp_rmb(i);
-#endif /* HAVE_OOO_CACHE_READ */
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/references.txt b/formal-model/results/urcu-controldataflow-ipi-intel/references.txt
deleted file mode 100644
index 72c67a2..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/references.txt
+++ /dev/null
@@ -1,13 +0,0 @@
-http://spinroot.com/spin/Man/ltl.html
-http://en.wikipedia.org/wiki/Linear_temporal_logic
-http://www.dcs.gla.ac.uk/~muffy/MRS4-2002/lect11.ppt
-
-http://www.lsv.ens-cachan.fr/~gastin/ltl2ba/index.php
-http://spinroot.com/spin/Man/index.html
-http://spinroot.com/spin/Man/promela.html
-
-LTL vs CTL :
-
-http://spinroot.com/spin/Doc/course/lecture12.pdf p. 9, p. 15, p. 18
-http://www-i2.informatik.rwth-aachen.de/i2/fileadmin/user_upload/documents/Introduction_to_Model_Checking/mc_lec18.pdf
-  (downloaded)
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu.sh b/formal-model/results/urcu-controldataflow-ipi-intel/urcu.sh
deleted file mode 100644
index 65ff517..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu.sh
+++ /dev/null
@@ -1,29 +0,0 @@
-#!/bin/sh
-#
-# Compiles and runs the urcu.spin Promela model.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
-# Copyright (C) IBM Corporation, 2009
-#               Mathieu Desnoyers, 2009
-#
-# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
-#          Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
-
-# Basic execution, without LTL clauses. See Makefile.
-
-spin -a urcu.spin
-cc -DSAFETY -o pan pan.c
-./pan -v -c1 -X -m10000000 -w21
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu.spin b/formal-model/results/urcu-controldataflow-ipi-intel/urcu.spin
deleted file mode 100644
index dd5d17d..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu.spin
+++ /dev/null
@@ -1,1231 +0,0 @@
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Only Alpha has out-of-order cache bank loads. Other architectures (intel,
- * powerpc, arm) ensure that dependent reads won't be reordered. c.f.
- * http://www.linuxjournal.com/article/8212)
-#ifdef ARCH_ALPHA
-#define HAVE_OOO_CACHE_READ
-#endif
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i)
-{
-	atomic {
-		smp_wmb(i);
-		smp_rmb(i);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i)
-#define smp_mb_reader	smp_mb(i)
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-#ifdef HAVE_OOO_CACHE_READ
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-#else
-		smp_rmb(i);
-#endif /* HAVE_OOO_CACHE_READ */
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free.log b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free.log
deleted file mode 100644
index 357c5a6..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free.log
+++ /dev/null
@@ -1,484 +0,0 @@
-make[1]: Entering directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define >> pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1271)
-Depth=    6767 States=    1e+06 Transitions= 5.89e+06 Memory=   550.432	t=   14.3 R=   7e+04
-Depth=    6767 States=    2e+06 Transitions= 1.64e+07 Memory=   634.318	t=     43 R=   5e+04
-Depth=    6767 States=    3e+06 Transitions= 3.29e+07 Memory=   718.303	t=     90 R=   3e+04
-pan: resizing hashtable to -w22..  done
-Depth=    6767 States=    4e+06 Transitions= 4.33e+07 Memory=   833.311	t=    119 R=   3e+04
-Depth=    6767 States=    5e+06 Transitions= 5.21e+07 Memory=   917.295	t=    142 R=   4e+04
-Depth=    6767 States=    6e+06 Transitions= 5.99e+07 Memory=  1001.279	t=    163 R=   4e+04
-Depth=    6767 States=    7e+06 Transitions= 7.13e+07 Memory=  1085.264	t=    195 R=   4e+04
-Depth=    6767 States=    8e+06 Transitions= 8.71e+07 Memory=  1169.151	t=    240 R=   3e+04
-Depth=    6767 States=    9e+06 Transitions= 9.81e+07 Memory=  1253.135	t=    270 R=   3e+04
-pan: resizing hashtable to -w24..  done
-Depth=    6767 States=    1e+07 Transitions= 1.07e+08 Memory=  1461.115	t=    296 R=   3e+04
-Depth=    6767 States=  1.1e+07 Transitions= 1.15e+08 Memory=  1545.100	t=    315 R=   3e+04
-Depth=    6767 States=  1.2e+07 Transitions= 1.27e+08 Memory=  1629.084	t=    349 R=   3e+04
-
-(Spin Version 5.1.7 -- 23 December 2008)
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness disabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 6767, errors: 0
- 12141896 states, stored
-1.1627209e+08 states, matched
-1.2841399e+08 transitions (= stored+matched)
-1.9407117e+09 atomic steps
-hash conflicts:  98962276 (resolved)
-
-Stats on memory usage (in Megabytes):
- 1343.212	equivalent memory usage for states (stored*(State-vector + overhead))
- 1055.903	actual memory usage for states (compression: 78.61%)
-         	state-vector as stored = 63 byte + 28 byte overhead
-  128.000	memory used for hash table (-w24)
-  457.764	memory used for DFS stack (-m10000000)
- 1640.998	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 261, "pan.___", state 30, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 269, "pan.___", state 52, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 273, "pan.___", state 61, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, "pan.___", state 77, "(1)"
-	line 242, "pan.___", state 85, "(1)"
-	line 246, "pan.___", state 97, "(1)"
-	line 250, "pan.___", state 105, "(1)"
-	line 400, "pan.___", state 131, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 163, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 177, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, "pan.___", state 195, "(1)"
-	line 246, "pan.___", state 215, "(1)"
-	line 250, "pan.___", state 223, "(1)"
-	line 679, "pan.___", state 242, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 400, "pan.___", state 249, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 281, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 295, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, "pan.___", state 313, "(1)"
-	line 246, "pan.___", state 333, "(1)"
-	line 250, "pan.___", state 341, "(1)"
-	line 400, "pan.___", state 360, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 392, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 406, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, "pan.___", state 424, "(1)"
-	line 246, "pan.___", state 444, "(1)"
-	line 250, "pan.___", state 452, "(1)"
-	line 400, "pan.___", state 473, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 475, "(1)"
-	line 400, "pan.___", state 476, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 476, "else"
-	line 400, "pan.___", state 479, "(1)"
-	line 404, "pan.___", state 487, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 489, "(1)"
-	line 404, "pan.___", state 490, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 490, "else"
-	line 404, "pan.___", state 493, "(1)"
-	line 404, "pan.___", state 494, "(1)"
-	line 404, "pan.___", state 494, "(1)"
-	line 402, "pan.___", state 499, "((i<1))"
-	line 402, "pan.___", state 499, "((i>=1))"
-	line 409, "pan.___", state 505, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 507, "(1)"
-	line 409, "pan.___", state 508, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 409, "pan.___", state 508, "else"
-	line 409, "pan.___", state 511, "(1)"
-	line 409, "pan.___", state 512, "(1)"
-	line 409, "pan.___", state 512, "(1)"
-	line 413, "pan.___", state 519, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 521, "(1)"
-	line 413, "pan.___", state 522, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 413, "pan.___", state 522, "else"
-	line 413, "pan.___", state 525, "(1)"
-	line 413, "pan.___", state 526, "(1)"
-	line 413, "pan.___", state 526, "(1)"
-	line 411, "pan.___", state 531, "((i<2))"
-	line 411, "pan.___", state 531, "((i>=2))"
-	line 238, "pan.___", state 537, "(1)"
-	line 242, "pan.___", state 545, "(1)"
-	line 242, "pan.___", state 546, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 242, "pan.___", state 546, "else"
-	line 240, "pan.___", state 551, "((i<1))"
-	line 240, "pan.___", state 551, "((i>=1))"
-	line 246, "pan.___", state 557, "(1)"
-	line 246, "pan.___", state 558, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 246, "pan.___", state 558, "else"
-	line 250, "pan.___", state 565, "(1)"
-	line 250, "pan.___", state 566, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 250, "pan.___", state 566, "else"
-	line 248, "pan.___", state 571, "((i<2))"
-	line 248, "pan.___", state 571, "((i>=2))"
-	line 255, "pan.___", state 575, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 255, "pan.___", state 575, "else"
-	line 420, "pan.___", state 577, "(1)"
-	line 420, "pan.___", state 577, "(1)"
-	line 679, "pan.___", state 580, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 679, "pan.___", state 581, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 679, "pan.___", state 582, "(1)"
-	line 400, "pan.___", state 589, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 621, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 635, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, "pan.___", state 653, "(1)"
-	line 246, "pan.___", state 673, "(1)"
-	line 250, "pan.___", state 681, "(1)"
-	line 400, "pan.___", state 707, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 709, "(1)"
-	line 400, "pan.___", state 710, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 710, "else"
-	line 400, "pan.___", state 713, "(1)"
-	line 404, "pan.___", state 721, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 723, "(1)"
-	line 404, "pan.___", state 724, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 724, "else"
-	line 404, "pan.___", state 727, "(1)"
-	line 404, "pan.___", state 728, "(1)"
-	line 404, "pan.___", state 728, "(1)"
-	line 402, "pan.___", state 733, "((i<1))"
-	line 402, "pan.___", state 733, "((i>=1))"
-	line 409, "pan.___", state 739, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 741, "(1)"
-	line 409, "pan.___", state 742, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 409, "pan.___", state 742, "else"
-	line 409, "pan.___", state 745, "(1)"
-	line 409, "pan.___", state 746, "(1)"
-	line 409, "pan.___", state 746, "(1)"
-	line 413, "pan.___", state 753, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 755, "(1)"
-	line 413, "pan.___", state 756, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 413, "pan.___", state 756, "else"
-	line 413, "pan.___", state 759, "(1)"
-	line 413, "pan.___", state 760, "(1)"
-	line 413, "pan.___", state 760, "(1)"
-	line 411, "pan.___", state 765, "((i<2))"
-	line 411, "pan.___", state 765, "((i>=2))"
-	line 238, "pan.___", state 771, "(1)"
-	line 242, "pan.___", state 779, "(1)"
-	line 242, "pan.___", state 780, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 242, "pan.___", state 780, "else"
-	line 240, "pan.___", state 785, "((i<1))"
-	line 240, "pan.___", state 785, "((i>=1))"
-	line 246, "pan.___", state 791, "(1)"
-	line 246, "pan.___", state 792, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 246, "pan.___", state 792, "else"
-	line 250, "pan.___", state 799, "(1)"
-	line 250, "pan.___", state 800, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 250, "pan.___", state 800, "else"
-	line 255, "pan.___", state 809, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 255, "pan.___", state 809, "else"
-	line 420, "pan.___", state 811, "(1)"
-	line 420, "pan.___", state 811, "(1)"
-	line 400, "pan.___", state 818, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 820, "(1)"
-	line 400, "pan.___", state 821, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 821, "else"
-	line 400, "pan.___", state 824, "(1)"
-	line 404, "pan.___", state 832, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 834, "(1)"
-	line 404, "pan.___", state 835, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 835, "else"
-	line 404, "pan.___", state 838, "(1)"
-	line 404, "pan.___", state 839, "(1)"
-	line 404, "pan.___", state 839, "(1)"
-	line 402, "pan.___", state 844, "((i<1))"
-	line 402, "pan.___", state 844, "((i>=1))"
-	line 409, "pan.___", state 850, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 852, "(1)"
-	line 409, "pan.___", state 853, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 409, "pan.___", state 853, "else"
-	line 409, "pan.___", state 856, "(1)"
-	line 409, "pan.___", state 857, "(1)"
-	line 409, "pan.___", state 857, "(1)"
-	line 413, "pan.___", state 864, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 866, "(1)"
-	line 413, "pan.___", state 867, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 413, "pan.___", state 867, "else"
-	line 413, "pan.___", state 870, "(1)"
-	line 413, "pan.___", state 871, "(1)"
-	line 413, "pan.___", state 871, "(1)"
-	line 411, "pan.___", state 876, "((i<2))"
-	line 411, "pan.___", state 876, "((i>=2))"
-	line 238, "pan.___", state 882, "(1)"
-	line 242, "pan.___", state 890, "(1)"
-	line 242, "pan.___", state 891, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 242, "pan.___", state 891, "else"
-	line 240, "pan.___", state 896, "((i<1))"
-	line 240, "pan.___", state 896, "((i>=1))"
-	line 246, "pan.___", state 902, "(1)"
-	line 246, "pan.___", state 903, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 246, "pan.___", state 903, "else"
-	line 250, "pan.___", state 910, "(1)"
-	line 250, "pan.___", state 911, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 250, "pan.___", state 911, "else"
-	line 248, "pan.___", state 916, "((i<2))"
-	line 248, "pan.___", state 916, "((i>=2))"
-	line 255, "pan.___", state 920, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 255, "pan.___", state 920, "else"
-	line 420, "pan.___", state 922, "(1)"
-	line 420, "pan.___", state 922, "(1)"
-	line 687, "pan.___", state 926, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 400, "pan.___", state 931, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 963, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 977, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, "pan.___", state 995, "(1)"
-	line 246, "pan.___", state 1015, "(1)"
-	line 250, "pan.___", state 1023, "(1)"
-	line 400, "pan.___", state 1045, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 1077, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 1091, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, "pan.___", state 1109, "(1)"
-	line 246, "pan.___", state 1129, "(1)"
-	line 250, "pan.___", state 1137, "(1)"
-	line 400, "pan.___", state 1160, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 1192, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 1206, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, "pan.___", state 1224, "(1)"
-	line 246, "pan.___", state 1244, "(1)"
-	line 250, "pan.___", state 1252, "(1)"
-	line 400, "pan.___", state 1271, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 1303, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 1317, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, "pan.___", state 1335, "(1)"
-	line 246, "pan.___", state 1355, "(1)"
-	line 250, "pan.___", state 1363, "(1)"
-	line 400, "pan.___", state 1387, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 1419, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 1433, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, "pan.___", state 1451, "(1)"
-	line 246, "pan.___", state 1471, "(1)"
-	line 250, "pan.___", state 1479, "(1)"
-	line 400, "pan.___", state 1498, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 1530, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 1544, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, "pan.___", state 1562, "(1)"
-	line 246, "pan.___", state 1582, "(1)"
-	line 250, "pan.___", state 1590, "(1)"
-	line 400, "pan.___", state 1612, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 1644, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 1658, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, "pan.___", state 1676, "(1)"
-	line 246, "pan.___", state 1696, "(1)"
-	line 250, "pan.___", state 1704, "(1)"
-	line 726, "pan.___", state 1723, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 400, "pan.___", state 1730, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 1762, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 1776, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, "pan.___", state 1794, "(1)"
-	line 246, "pan.___", state 1814, "(1)"
-	line 250, "pan.___", state 1822, "(1)"
-	line 400, "pan.___", state 1841, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 1873, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 1887, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, "pan.___", state 1905, "(1)"
-	line 246, "pan.___", state 1925, "(1)"
-	line 250, "pan.___", state 1933, "(1)"
-	line 400, "pan.___", state 1954, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1956, "(1)"
-	line 400, "pan.___", state 1957, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 1957, "else"
-	line 400, "pan.___", state 1960, "(1)"
-	line 404, "pan.___", state 1968, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1970, "(1)"
-	line 404, "pan.___", state 1971, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 1971, "else"
-	line 404, "pan.___", state 1974, "(1)"
-	line 404, "pan.___", state 1975, "(1)"
-	line 404, "pan.___", state 1975, "(1)"
-	line 402, "pan.___", state 1980, "((i<1))"
-	line 402, "pan.___", state 1980, "((i>=1))"
-	line 409, "pan.___", state 1986, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 1988, "(1)"
-	line 409, "pan.___", state 1989, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 409, "pan.___", state 1989, "else"
-	line 409, "pan.___", state 1992, "(1)"
-	line 409, "pan.___", state 1993, "(1)"
-	line 409, "pan.___", state 1993, "(1)"
-	line 413, "pan.___", state 2000, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 2002, "(1)"
-	line 413, "pan.___", state 2003, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 413, "pan.___", state 2003, "else"
-	line 413, "pan.___", state 2006, "(1)"
-	line 413, "pan.___", state 2007, "(1)"
-	line 413, "pan.___", state 2007, "(1)"
-	line 411, "pan.___", state 2012, "((i<2))"
-	line 411, "pan.___", state 2012, "((i>=2))"
-	line 238, "pan.___", state 2018, "(1)"
-	line 242, "pan.___", state 2026, "(1)"
-	line 242, "pan.___", state 2027, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 242, "pan.___", state 2027, "else"
-	line 240, "pan.___", state 2032, "((i<1))"
-	line 240, "pan.___", state 2032, "((i>=1))"
-	line 246, "pan.___", state 2038, "(1)"
-	line 246, "pan.___", state 2039, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 246, "pan.___", state 2039, "else"
-	line 250, "pan.___", state 2046, "(1)"
-	line 250, "pan.___", state 2047, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 250, "pan.___", state 2047, "else"
-	line 248, "pan.___", state 2052, "((i<2))"
-	line 248, "pan.___", state 2052, "((i>=2))"
-	line 255, "pan.___", state 2056, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 255, "pan.___", state 2056, "else"
-	line 420, "pan.___", state 2058, "(1)"
-	line 420, "pan.___", state 2058, "(1)"
-	line 726, "pan.___", state 2061, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 726, "pan.___", state 2062, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 726, "pan.___", state 2063, "(1)"
-	line 400, "pan.___", state 2070, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 2102, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 2116, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, "pan.___", state 2134, "(1)"
-	line 246, "pan.___", state 2154, "(1)"
-	line 250, "pan.___", state 2162, "(1)"
-	line 400, "pan.___", state 2187, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 2219, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 2233, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, "pan.___", state 2251, "(1)"
-	line 246, "pan.___", state 2271, "(1)"
-	line 250, "pan.___", state 2279, "(1)"
-	line 400, "pan.___", state 2298, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 2330, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 2344, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, "pan.___", state 2362, "(1)"
-	line 246, "pan.___", state 2382, "(1)"
-	line 250, "pan.___", state 2390, "(1)"
-	line 238, "pan.___", state 2421, "(1)"
-	line 246, "pan.___", state 2441, "(1)"
-	line 250, "pan.___", state 2449, "(1)"
-	line 238, "pan.___", state 2464, "(1)"
-	line 246, "pan.___", state 2484, "(1)"
-	line 250, "pan.___", state 2492, "(1)"
-	line 886, "pan.___", state 2509, "-end-"
-	(246 of 2509 states)
-unreached in proctype urcu_writer
-	line 400, "pan.___", state 18, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 32, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 50, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 238, "pan.___", state 82, "(1)"
-	line 242, "pan.___", state 90, "(1)"
-	line 246, "pan.___", state 102, "(1)"
-	line 261, "pan.___", state 131, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 265, "pan.___", state 140, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 269, "pan.___", state 153, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 193, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 207, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 225, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 239, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, "pan.___", state 257, "(1)"
-	line 242, "pan.___", state 265, "(1)"
-	line 246, "pan.___", state 277, "(1)"
-	line 250, "pan.___", state 285, "(1)"
-	line 404, "pan.___", state 320, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 338, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 352, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 242, "pan.___", state 378, "(1)"
-	line 246, "pan.___", state 390, "(1)"
-	line 250, "pan.___", state 398, "(1)"
-	line 404, "pan.___", state 440, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 458, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 472, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 242, "pan.___", state 498, "(1)"
-	line 246, "pan.___", state 510, "(1)"
-	line 250, "pan.___", state 518, "(1)"
-	line 404, "pan.___", state 551, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 569, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 583, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 242, "pan.___", state 609, "(1)"
-	line 246, "pan.___", state 621, "(1)"
-	line 250, "pan.___", state 629, "(1)"
-	line 404, "pan.___", state 664, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 682, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 696, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 242, "pan.___", state 722, "(1)"
-	line 246, "pan.___", state 734, "(1)"
-	line 250, "pan.___", state 742, "(1)"
-	line 261, "pan.___", state 795, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 265, "pan.___", state 804, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 269, "pan.___", state 819, "(1)"
-	line 273, "pan.___", state 826, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, "pan.___", state 842, "(1)"
-	line 242, "pan.___", state 850, "(1)"
-	line 246, "pan.___", state 862, "(1)"
-	line 250, "pan.___", state 870, "(1)"
-	line 261, "pan.___", state 901, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 265, "pan.___", state 910, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 269, "pan.___", state 923, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 273, "pan.___", state 932, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, "pan.___", state 948, "(1)"
-	line 242, "pan.___", state 956, "(1)"
-	line 246, "pan.___", state 968, "(1)"
-	line 250, "pan.___", state 976, "(1)"
-	line 265, "pan.___", state 1002, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 269, "pan.___", state 1015, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 273, "pan.___", state 1024, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, "pan.___", state 1040, "(1)"
-	line 242, "pan.___", state 1048, "(1)"
-	line 246, "pan.___", state 1060, "(1)"
-	line 250, "pan.___", state 1068, "(1)"
-	line 261, "pan.___", state 1099, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 265, "pan.___", state 1108, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 269, "pan.___", state 1121, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 273, "pan.___", state 1130, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, "pan.___", state 1146, "(1)"
-	line 242, "pan.___", state 1154, "(1)"
-	line 246, "pan.___", state 1166, "(1)"
-	line 250, "pan.___", state 1174, "(1)"
-	line 265, "pan.___", state 1200, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 269, "pan.___", state 1213, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 273, "pan.___", state 1222, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, "pan.___", state 1238, "(1)"
-	line 242, "pan.___", state 1246, "(1)"
-	line 246, "pan.___", state 1258, "(1)"
-	line 250, "pan.___", state 1266, "(1)"
-	line 261, "pan.___", state 1297, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 265, "pan.___", state 1306, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 269, "pan.___", state 1319, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 273, "pan.___", state 1328, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, "pan.___", state 1344, "(1)"
-	line 242, "pan.___", state 1352, "(1)"
-	line 246, "pan.___", state 1364, "(1)"
-	line 250, "pan.___", state 1372, "(1)"
-	line 265, "pan.___", state 1398, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 269, "pan.___", state 1411, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 273, "pan.___", state 1420, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, "pan.___", state 1436, "(1)"
-	line 242, "pan.___", state 1444, "(1)"
-	line 246, "pan.___", state 1456, "(1)"
-	line 250, "pan.___", state 1464, "(1)"
-	line 261, "pan.___", state 1495, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 265, "pan.___", state 1504, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 269, "pan.___", state 1517, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 273, "pan.___", state 1526, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 238, "pan.___", state 1542, "(1)"
-	line 242, "pan.___", state 1550, "(1)"
-	line 246, "pan.___", state 1562, "(1)"
-	line 250, "pan.___", state 1570, "(1)"
-	line 1213, "pan.___", state 1586, "-end-"
-	(103 of 1586 states)
-unreached in proctype :init:
-	(0 of 78 states)
-unreached in proctype :never:
-	line 1276, "pan.___", state 8, "-end-"
-	(1 of 8 states)
-
-pan: elapsed time 353 seconds
-pan: rate 34395.332 states/second
-pan: avg transition delay 2.749e-06 usec
-cp .input.spin urcu_free.spin.input
-cp .input.spin.trail urcu_free.spin.input.trail
-make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free.ltl b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free.ltl
deleted file mode 100644
index 6be1be9..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free.ltl
+++ /dev/null
@@ -1 +0,0 @@
-[] (!read_poison)
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free.spin.input b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free.spin.input
deleted file mode 100644
index 8afab6a..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free.spin.input
+++ /dev/null
@@ -1,1249 +0,0 @@
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-
-//#define ARCH_ALPHA
-#define ARCH_INTEL
-//#define ARCH_POWERPC
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Only Alpha has out-of-order cache bank loads. Other architectures (intel,
- * powerpc, arm) ensure that dependent reads won't be reordered. c.f.
- * http://www.linuxjournal.com/article/8212)
-#ifdef ARCH_ALPHA
-#define HAVE_OOO_CACHE_READ
-#endif
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i)
-{
-	atomic {
-		smp_wmb(i);
-		smp_rmb(i);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i)
-#define smp_mb_reader	smp_mb(i)
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-#ifdef HAVE_OOO_CACHE_READ
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-#else
-		smp_rmb(i);
-#endif /* HAVE_OOO_CACHE_READ */
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_nested.define b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_nested.define
deleted file mode 100644
index 0fb59bd..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_nested.define
+++ /dev/null
@@ -1 +0,0 @@
-#define READER_NEST_LEVEL 2
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_mb.define b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_mb.define
deleted file mode 100644
index d99d793..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_mb.define
+++ /dev/null
@@ -1 +0,0 @@
-#define NO_MB
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_mb.log b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_mb.log
deleted file mode 100644
index 15f7bc2..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_mb.log
+++ /dev/null
@@ -1,624 +0,0 @@
-make[1]: Entering directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define >> pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_free_no_mb.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1272)
-Depth=    5327 States=    1e+06 Transitions= 7.34e+06 Memory=   550.432	t=   18.2 R=   6e+04
-pan: claim violated! (at depth 1301)
-pan: wrote .input.spin.trail
-
-(Spin Version 5.1.7 -- 23 December 2008)
-Warning: Search not completed
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness disabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 5456, errors: 1
-  1674433 states, stored
- 12624035 states, matched
- 14298468 transitions (= stored+matched)
-2.0423758e+08 atomic steps
-hash conflicts:   6074438 (resolved)
-
-Stats on memory usage (in Megabytes):
-  185.236	equivalent memory usage for states (stored*(State-vector + overhead))
-  141.360	actual memory usage for states (compression: 76.31%)
-         	state-vector as stored = 61 byte + 28 byte overhead
-    8.000	memory used for hash table (-w20)
-  457.764	memory used for DFS stack (-m10000000)
-  606.975	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 262, "pan.___", state 34, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 56, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 65, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 81, "(1)"
-	line 243, "pan.___", state 89, "(1)"
-	line 247, "pan.___", state 101, "(1)"
-	line 251, "pan.___", state 109, "(1)"
-	line 401, "pan.___", state 135, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 167, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 181, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 199, "(1)"
-	line 247, "pan.___", state 219, "(1)"
-	line 251, "pan.___", state 227, "(1)"
-	line 689, "pan.___", state 246, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 401, "pan.___", state 253, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 285, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 299, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 317, "(1)"
-	line 247, "pan.___", state 337, "(1)"
-	line 251, "pan.___", state 345, "(1)"
-	line 401, "pan.___", state 364, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 396, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 410, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 428, "(1)"
-	line 247, "pan.___", state 448, "(1)"
-	line 251, "pan.___", state 456, "(1)"
-	line 401, "pan.___", state 477, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 479, "(1)"
-	line 401, "pan.___", state 480, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 480, "else"
-	line 401, "pan.___", state 483, "(1)"
-	line 405, "pan.___", state 491, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 493, "(1)"
-	line 405, "pan.___", state 494, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 494, "else"
-	line 405, "pan.___", state 497, "(1)"
-	line 405, "pan.___", state 498, "(1)"
-	line 405, "pan.___", state 498, "(1)"
-	line 403, "pan.___", state 503, "((i<1))"
-	line 403, "pan.___", state 503, "((i>=1))"
-	line 410, "pan.___", state 509, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 511, "(1)"
-	line 410, "pan.___", state 512, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 410, "pan.___", state 512, "else"
-	line 410, "pan.___", state 515, "(1)"
-	line 410, "pan.___", state 516, "(1)"
-	line 410, "pan.___", state 516, "(1)"
-	line 414, "pan.___", state 523, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 525, "(1)"
-	line 414, "pan.___", state 526, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 414, "pan.___", state 526, "else"
-	line 414, "pan.___", state 529, "(1)"
-	line 414, "pan.___", state 530, "(1)"
-	line 414, "pan.___", state 530, "(1)"
-	line 412, "pan.___", state 535, "((i<2))"
-	line 412, "pan.___", state 535, "((i>=2))"
-	line 239, "pan.___", state 541, "(1)"
-	line 243, "pan.___", state 549, "(1)"
-	line 243, "pan.___", state 550, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 550, "else"
-	line 241, "pan.___", state 555, "((i<1))"
-	line 241, "pan.___", state 555, "((i>=1))"
-	line 247, "pan.___", state 561, "(1)"
-	line 247, "pan.___", state 562, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 562, "else"
-	line 251, "pan.___", state 569, "(1)"
-	line 251, "pan.___", state 570, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 570, "else"
-	line 249, "pan.___", state 575, "((i<2))"
-	line 249, "pan.___", state 575, "((i>=2))"
-	line 256, "pan.___", state 579, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 579, "else"
-	line 421, "pan.___", state 581, "(1)"
-	line 421, "pan.___", state 581, "(1)"
-	line 689, "pan.___", state 584, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 689, "pan.___", state 585, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 689, "pan.___", state 586, "(1)"
-	line 401, "pan.___", state 593, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 625, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 639, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 657, "(1)"
-	line 247, "pan.___", state 677, "(1)"
-	line 251, "pan.___", state 685, "(1)"
-	line 401, "pan.___", state 711, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 713, "(1)"
-	line 401, "pan.___", state 714, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 714, "else"
-	line 401, "pan.___", state 717, "(1)"
-	line 405, "pan.___", state 725, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 727, "(1)"
-	line 405, "pan.___", state 728, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 728, "else"
-	line 405, "pan.___", state 731, "(1)"
-	line 405, "pan.___", state 732, "(1)"
-	line 405, "pan.___", state 732, "(1)"
-	line 403, "pan.___", state 737, "((i<1))"
-	line 403, "pan.___", state 737, "((i>=1))"
-	line 410, "pan.___", state 743, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 745, "(1)"
-	line 410, "pan.___", state 746, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 410, "pan.___", state 746, "else"
-	line 410, "pan.___", state 749, "(1)"
-	line 410, "pan.___", state 750, "(1)"
-	line 410, "pan.___", state 750, "(1)"
-	line 414, "pan.___", state 757, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 759, "(1)"
-	line 414, "pan.___", state 760, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 414, "pan.___", state 760, "else"
-	line 414, "pan.___", state 763, "(1)"
-	line 414, "pan.___", state 764, "(1)"
-	line 414, "pan.___", state 764, "(1)"
-	line 412, "pan.___", state 769, "((i<2))"
-	line 412, "pan.___", state 769, "((i>=2))"
-	line 239, "pan.___", state 775, "(1)"
-	line 243, "pan.___", state 783, "(1)"
-	line 243, "pan.___", state 784, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 784, "else"
-	line 241, "pan.___", state 789, "((i<1))"
-	line 241, "pan.___", state 789, "((i>=1))"
-	line 247, "pan.___", state 795, "(1)"
-	line 247, "pan.___", state 796, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 796, "else"
-	line 251, "pan.___", state 803, "(1)"
-	line 251, "pan.___", state 804, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 804, "else"
-	line 256, "pan.___", state 813, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 813, "else"
-	line 421, "pan.___", state 815, "(1)"
-	line 421, "pan.___", state 815, "(1)"
-	line 401, "pan.___", state 822, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 824, "(1)"
-	line 401, "pan.___", state 825, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 825, "else"
-	line 401, "pan.___", state 828, "(1)"
-	line 405, "pan.___", state 836, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 838, "(1)"
-	line 405, "pan.___", state 839, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 839, "else"
-	line 405, "pan.___", state 842, "(1)"
-	line 405, "pan.___", state 843, "(1)"
-	line 405, "pan.___", state 843, "(1)"
-	line 403, "pan.___", state 848, "((i<1))"
-	line 403, "pan.___", state 848, "((i>=1))"
-	line 410, "pan.___", state 854, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 856, "(1)"
-	line 410, "pan.___", state 857, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 410, "pan.___", state 857, "else"
-	line 410, "pan.___", state 860, "(1)"
-	line 410, "pan.___", state 861, "(1)"
-	line 410, "pan.___", state 861, "(1)"
-	line 414, "pan.___", state 868, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 870, "(1)"
-	line 414, "pan.___", state 871, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 414, "pan.___", state 871, "else"
-	line 414, "pan.___", state 874, "(1)"
-	line 414, "pan.___", state 875, "(1)"
-	line 414, "pan.___", state 875, "(1)"
-	line 412, "pan.___", state 880, "((i<2))"
-	line 412, "pan.___", state 880, "((i>=2))"
-	line 239, "pan.___", state 886, "(1)"
-	line 243, "pan.___", state 894, "(1)"
-	line 243, "pan.___", state 895, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 895, "else"
-	line 241, "pan.___", state 900, "((i<1))"
-	line 241, "pan.___", state 900, "((i>=1))"
-	line 247, "pan.___", state 906, "(1)"
-	line 247, "pan.___", state 907, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 907, "else"
-	line 251, "pan.___", state 914, "(1)"
-	line 251, "pan.___", state 915, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 915, "else"
-	line 249, "pan.___", state 920, "((i<2))"
-	line 249, "pan.___", state 920, "((i>=2))"
-	line 256, "pan.___", state 924, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 924, "else"
-	line 421, "pan.___", state 926, "(1)"
-	line 421, "pan.___", state 926, "(1)"
-	line 697, "pan.___", state 930, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 401, "pan.___", state 935, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 967, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 981, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 999, "(1)"
-	line 247, "pan.___", state 1019, "(1)"
-	line 251, "pan.___", state 1027, "(1)"
-	line 401, "pan.___", state 1049, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1081, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1095, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1113, "(1)"
-	line 247, "pan.___", state 1133, "(1)"
-	line 251, "pan.___", state 1141, "(1)"
-	line 401, "pan.___", state 1164, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1196, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1210, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1228, "(1)"
-	line 247, "pan.___", state 1248, "(1)"
-	line 251, "pan.___", state 1256, "(1)"
-	line 401, "pan.___", state 1275, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1307, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1321, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1339, "(1)"
-	line 247, "pan.___", state 1359, "(1)"
-	line 251, "pan.___", state 1367, "(1)"
-	line 401, "pan.___", state 1391, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1423, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1437, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1455, "(1)"
-	line 247, "pan.___", state 1475, "(1)"
-	line 251, "pan.___", state 1483, "(1)"
-	line 401, "pan.___", state 1502, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1534, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1548, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1566, "(1)"
-	line 247, "pan.___", state 1586, "(1)"
-	line 251, "pan.___", state 1594, "(1)"
-	line 401, "pan.___", state 1616, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1648, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1662, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1680, "(1)"
-	line 247, "pan.___", state 1700, "(1)"
-	line 251, "pan.___", state 1708, "(1)"
-	line 736, "pan.___", state 1727, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 401, "pan.___", state 1734, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1766, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1780, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1798, "(1)"
-	line 247, "pan.___", state 1818, "(1)"
-	line 251, "pan.___", state 1826, "(1)"
-	line 401, "pan.___", state 1845, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1877, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1891, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1909, "(1)"
-	line 247, "pan.___", state 1929, "(1)"
-	line 251, "pan.___", state 1937, "(1)"
-	line 401, "pan.___", state 1958, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 1960, "(1)"
-	line 401, "pan.___", state 1961, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 1961, "else"
-	line 401, "pan.___", state 1964, "(1)"
-	line 405, "pan.___", state 1972, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 1974, "(1)"
-	line 405, "pan.___", state 1975, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 1975, "else"
-	line 405, "pan.___", state 1978, "(1)"
-	line 405, "pan.___", state 1979, "(1)"
-	line 405, "pan.___", state 1979, "(1)"
-	line 403, "pan.___", state 1984, "((i<1))"
-	line 403, "pan.___", state 1984, "((i>=1))"
-	line 410, "pan.___", state 1990, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1992, "(1)"
-	line 410, "pan.___", state 1993, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 410, "pan.___", state 1993, "else"
-	line 410, "pan.___", state 1996, "(1)"
-	line 410, "pan.___", state 1997, "(1)"
-	line 410, "pan.___", state 1997, "(1)"
-	line 414, "pan.___", state 2004, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 2006, "(1)"
-	line 414, "pan.___", state 2007, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 414, "pan.___", state 2007, "else"
-	line 414, "pan.___", state 2010, "(1)"
-	line 414, "pan.___", state 2011, "(1)"
-	line 414, "pan.___", state 2011, "(1)"
-	line 412, "pan.___", state 2016, "((i<2))"
-	line 412, "pan.___", state 2016, "((i>=2))"
-	line 239, "pan.___", state 2022, "(1)"
-	line 243, "pan.___", state 2030, "(1)"
-	line 243, "pan.___", state 2031, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 2031, "else"
-	line 241, "pan.___", state 2036, "((i<1))"
-	line 241, "pan.___", state 2036, "((i>=1))"
-	line 247, "pan.___", state 2042, "(1)"
-	line 247, "pan.___", state 2043, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 2043, "else"
-	line 251, "pan.___", state 2050, "(1)"
-	line 251, "pan.___", state 2051, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 2051, "else"
-	line 249, "pan.___", state 2056, "((i<2))"
-	line 249, "pan.___", state 2056, "((i>=2))"
-	line 256, "pan.___", state 2060, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 2060, "else"
-	line 421, "pan.___", state 2062, "(1)"
-	line 421, "pan.___", state 2062, "(1)"
-	line 736, "pan.___", state 2065, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 736, "pan.___", state 2066, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 736, "pan.___", state 2067, "(1)"
-	line 401, "pan.___", state 2074, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 2106, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 2120, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 2138, "(1)"
-	line 247, "pan.___", state 2158, "(1)"
-	line 251, "pan.___", state 2166, "(1)"
-	line 401, "pan.___", state 2191, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 2223, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 2237, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 2255, "(1)"
-	line 247, "pan.___", state 2275, "(1)"
-	line 251, "pan.___", state 2283, "(1)"
-	line 401, "pan.___", state 2302, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 2334, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 2348, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 2366, "(1)"
-	line 247, "pan.___", state 2386, "(1)"
-	line 251, "pan.___", state 2394, "(1)"
-	line 239, "pan.___", state 2425, "(1)"
-	line 247, "pan.___", state 2445, "(1)"
-	line 251, "pan.___", state 2453, "(1)"
-	line 239, "pan.___", state 2468, "(1)"
-	line 247, "pan.___", state 2488, "(1)"
-	line 251, "pan.___", state 2496, "(1)"
-	line 887, "pan.___", state 2513, "-end-"
-	(246 of 2513 states)
-unreached in proctype urcu_writer
-	line 401, "pan.___", state 20, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 26, "(1)"
-	line 405, "pan.___", state 34, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 40, "(1)"
-	line 405, "pan.___", state 41, "(1)"
-	line 405, "pan.___", state 41, "(1)"
-	line 403, "pan.___", state 46, "((i<1))"
-	line 403, "pan.___", state 46, "((i>=1))"
-	line 410, "pan.___", state 52, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 58, "(1)"
-	line 410, "pan.___", state 59, "(1)"
-	line 410, "pan.___", state 59, "(1)"
-	line 414, "pan.___", state 72, "(1)"
-	line 414, "pan.___", state 73, "(1)"
-	line 414, "pan.___", state 73, "(1)"
-	line 412, "pan.___", state 78, "((i<2))"
-	line 412, "pan.___", state 78, "((i>=2))"
-	line 239, "pan.___", state 84, "(1)"
-	line 243, "pan.___", state 92, "(1)"
-	line 243, "pan.___", state 93, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 93, "else"
-	line 241, "pan.___", state 98, "((i<1))"
-	line 241, "pan.___", state 98, "((i>=1))"
-	line 247, "pan.___", state 104, "(1)"
-	line 247, "pan.___", state 105, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 105, "else"
-	line 251, "pan.___", state 112, "(1)"
-	line 251, "pan.___", state 113, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 113, "else"
-	line 249, "pan.___", state 118, "((i<2))"
-	line 249, "pan.___", state 118, "((i>=2))"
-	line 256, "pan.___", state 122, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 122, "else"
-	line 421, "pan.___", state 124, "(1)"
-	line 421, "pan.___", state 124, "(1)"
-	line 262, "pan.___", state 133, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 142, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 264, "pan.___", state 150, "((i<1))"
-	line 264, "pan.___", state 150, "((i>=1))"
-	line 270, "pan.___", state 155, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 1010, "pan.___", state 183, "old_data = cached_rcu_ptr.val[_pid]"
-	line 1021, "pan.___", state 187, "_proc_urcu_writer = (_proc_urcu_writer|(1<<4))"
-	line 401, "pan.___", state 195, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 201, "(1)"
-	line 405, "pan.___", state 209, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 215, "(1)"
-	line 405, "pan.___", state 216, "(1)"
-	line 405, "pan.___", state 216, "(1)"
-	line 410, "pan.___", state 229, "(1)"
-	line 414, "pan.___", state 241, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 259, "(1)"
-	line 243, "pan.___", state 267, "(1)"
-	line 251, "pan.___", state 287, "(1)"
-	line 421, "pan.___", state 299, "(1)"
-	line 421, "pan.___", state 299, "(1)"
-	line 405, "pan.___", state 322, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 354, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 243, "pan.___", state 380, "(1)"
-	line 251, "pan.___", state 400, "(1)"
-	line 405, "pan.___", state 442, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 243, "pan.___", state 500, "(1)"
-	line 405, "pan.___", state 553, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 243, "pan.___", state 611, "(1)"
-	line 405, "pan.___", state 666, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 698, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 243, "pan.___", state 724, "(1)"
-	line 251, "pan.___", state 744, "(1)"
-	line 1145, "pan.___", state 769, "_proc_urcu_writer = (_proc_urcu_writer|(1<<13))"
-	line 262, "pan.___", state 797, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 799, "(1)"
-	line 266, "pan.___", state 806, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 808, "(1)"
-	line 266, "pan.___", state 809, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 266, "pan.___", state 809, "else"
-	line 264, "pan.___", state 814, "((i<1))"
-	line 264, "pan.___", state 814, "((i>=1))"
-	line 270, "pan.___", state 819, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 821, "(1)"
-	line 270, "pan.___", state 822, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 270, "pan.___", state 822, "else"
-	line 274, "pan.___", state 828, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 830, "(1)"
-	line 274, "pan.___", state 831, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 274, "pan.___", state 831, "else"
-	line 272, "pan.___", state 836, "((i<2))"
-	line 272, "pan.___", state 836, "((i>=2))"
-	line 239, "pan.___", state 844, "(1)"
-	line 243, "pan.___", state 852, "(1)"
-	line 243, "pan.___", state 853, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 853, "else"
-	line 241, "pan.___", state 858, "((i<1))"
-	line 241, "pan.___", state 858, "((i>=1))"
-	line 247, "pan.___", state 864, "(1)"
-	line 247, "pan.___", state 865, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 865, "else"
-	line 251, "pan.___", state 872, "(1)"
-	line 251, "pan.___", state 873, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 873, "else"
-	line 256, "pan.___", state 882, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 882, "else"
-	line 1199, "pan.___", state 898, "((i<1))"
-	line 1199, "pan.___", state 898, "((i>=1))"
-	line 262, "pan.___", state 903, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 905, "(1)"
-	line 266, "pan.___", state 912, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 914, "(1)"
-	line 266, "pan.___", state 915, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 266, "pan.___", state 915, "else"
-	line 264, "pan.___", state 920, "((i<1))"
-	line 264, "pan.___", state 920, "((i>=1))"
-	line 270, "pan.___", state 925, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 927, "(1)"
-	line 270, "pan.___", state 928, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 270, "pan.___", state 928, "else"
-	line 274, "pan.___", state 934, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 936, "(1)"
-	line 274, "pan.___", state 937, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 274, "pan.___", state 937, "else"
-	line 272, "pan.___", state 942, "((i<2))"
-	line 272, "pan.___", state 942, "((i>=2))"
-	line 239, "pan.___", state 950, "(1)"
-	line 243, "pan.___", state 958, "(1)"
-	line 243, "pan.___", state 959, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 959, "else"
-	line 241, "pan.___", state 964, "((i<1))"
-	line 241, "pan.___", state 964, "((i>=1))"
-	line 247, "pan.___", state 970, "(1)"
-	line 247, "pan.___", state 971, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 971, "else"
-	line 251, "pan.___", state 978, "(1)"
-	line 251, "pan.___", state 979, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 979, "else"
-	line 256, "pan.___", state 988, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 988, "else"
-	line 289, "pan.___", state 990, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 289, "pan.___", state 990, "else"
-	line 1199, "pan.___", state 991, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 1199, "pan.___", state 991, "else"
-	line 266, "pan.___", state 1004, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1017, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1026, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1042, "(1)"
-	line 243, "pan.___", state 1050, "(1)"
-	line 247, "pan.___", state 1062, "(1)"
-	line 251, "pan.___", state 1070, "(1)"
-	line 262, "pan.___", state 1101, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 1110, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1123, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1132, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1148, "(1)"
-	line 243, "pan.___", state 1156, "(1)"
-	line 247, "pan.___", state 1168, "(1)"
-	line 251, "pan.___", state 1176, "(1)"
-	line 266, "pan.___", state 1202, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1224, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1240, "(1)"
-	line 243, "pan.___", state 1248, "(1)"
-	line 247, "pan.___", state 1260, "(1)"
-	line 251, "pan.___", state 1268, "(1)"
-	line 262, "pan.___", state 1299, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 1308, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1321, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1330, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1346, "(1)"
-	line 243, "pan.___", state 1354, "(1)"
-	line 247, "pan.___", state 1366, "(1)"
-	line 251, "pan.___", state 1374, "(1)"
-	line 262, "pan.___", state 1391, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1393, "(1)"
-	line 266, "pan.___", state 1400, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 1402, "(1)"
-	line 266, "pan.___", state 1403, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 266, "pan.___", state 1403, "else"
-	line 264, "pan.___", state 1408, "((i<1))"
-	line 264, "pan.___", state 1408, "((i>=1))"
-	line 270, "pan.___", state 1413, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1415, "(1)"
-	line 270, "pan.___", state 1416, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 270, "pan.___", state 1416, "else"
-	line 274, "pan.___", state 1422, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1424, "(1)"
-	line 274, "pan.___", state 1425, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 274, "pan.___", state 1425, "else"
-	line 272, "pan.___", state 1430, "((i<2))"
-	line 272, "pan.___", state 1430, "((i>=2))"
-	line 239, "pan.___", state 1438, "(1)"
-	line 243, "pan.___", state 1446, "(1)"
-	line 243, "pan.___", state 1447, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 1447, "else"
-	line 241, "pan.___", state 1452, "((i<1))"
-	line 241, "pan.___", state 1452, "((i>=1))"
-	line 247, "pan.___", state 1458, "(1)"
-	line 247, "pan.___", state 1459, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 1459, "else"
-	line 251, "pan.___", state 1466, "(1)"
-	line 251, "pan.___", state 1467, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 1467, "else"
-	line 256, "pan.___", state 1476, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 1476, "else"
-	line 1210, "pan.___", state 1479, "i = 0"
-	line 1210, "pan.___", state 1481, "reader_barrier = 1"
-	line 1210, "pan.___", state 1492, "((i<1))"
-	line 1210, "pan.___", state 1492, "((i>=1))"
-	line 262, "pan.___", state 1497, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1499, "(1)"
-	line 266, "pan.___", state 1506, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 1508, "(1)"
-	line 266, "pan.___", state 1509, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 266, "pan.___", state 1509, "else"
-	line 264, "pan.___", state 1514, "((i<1))"
-	line 264, "pan.___", state 1514, "((i>=1))"
-	line 270, "pan.___", state 1519, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1521, "(1)"
-	line 270, "pan.___", state 1522, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 270, "pan.___", state 1522, "else"
-	line 274, "pan.___", state 1528, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1530, "(1)"
-	line 274, "pan.___", state 1531, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 274, "pan.___", state 1531, "else"
-	line 272, "pan.___", state 1536, "((i<2))"
-	line 272, "pan.___", state 1536, "((i>=2))"
-	line 239, "pan.___", state 1544, "(1)"
-	line 243, "pan.___", state 1552, "(1)"
-	line 243, "pan.___", state 1553, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 1553, "else"
-	line 241, "pan.___", state 1558, "((i<1))"
-	line 241, "pan.___", state 1558, "((i>=1))"
-	line 247, "pan.___", state 1564, "(1)"
-	line 247, "pan.___", state 1565, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 1565, "else"
-	line 251, "pan.___", state 1572, "(1)"
-	line 251, "pan.___", state 1573, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 1573, "else"
-	line 256, "pan.___", state 1582, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 1582, "else"
-	line 289, "pan.___", state 1584, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 289, "pan.___", state 1584, "else"
-	line 1210, "pan.___", state 1585, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 1210, "pan.___", state 1585, "else"
-	line 1214, "pan.___", state 1588, "-end-"
-	(179 of 1588 states)
-unreached in proctype :init:
-	line 1225, "pan.___", state 9, "((j<2))"
-	line 1225, "pan.___", state 9, "((j>=2))"
-	line 1226, "pan.___", state 20, "((j<2))"
-	line 1226, "pan.___", state 20, "((j>=2))"
-	line 1231, "pan.___", state 33, "((j<2))"
-	line 1231, "pan.___", state 33, "((j>=2))"
-	line 1229, "pan.___", state 43, "((i<1))"
-	line 1229, "pan.___", state 43, "((i>=1))"
-	line 1239, "pan.___", state 54, "((j<2))"
-	line 1239, "pan.___", state 54, "((j>=2))"
-	line 1243, "pan.___", state 67, "((j<2))"
-	line 1243, "pan.___", state 67, "((j>=2))"
-	(6 of 78 states)
-unreached in proctype :never:
-	line 1277, "pan.___", state 8, "-end-"
-	(1 of 8 states)
-
-pan: elapsed time 36.6 seconds
-pan: rate 45762.039 states/second
-pan: avg transition delay 2.559e-06 usec
-cp .input.spin urcu_free_no_mb.spin.input
-cp .input.spin.trail urcu_free_no_mb.spin.input.trail
-make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_mb.spin.input b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_mb.spin.input
deleted file mode 100644
index 739f3ef..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_mb.spin.input
+++ /dev/null
@@ -1,1250 +0,0 @@
-#define NO_MB
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-
-//#define ARCH_ALPHA
-#define ARCH_INTEL
-//#define ARCH_POWERPC
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Only Alpha has out-of-order cache bank loads. Other architectures (intel,
- * powerpc, arm) ensure that dependent reads won't be reordered. c.f.
- * http://www.linuxjournal.com/article/8212)
-#ifdef ARCH_ALPHA
-#define HAVE_OOO_CACHE_READ
-#endif
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i)
-{
-	atomic {
-		smp_wmb(i);
-		smp_rmb(i);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i)
-#define smp_mb_reader	smp_mb(i)
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-#ifdef HAVE_OOO_CACHE_READ
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-#else
-		smp_rmb(i);
-#endif /* HAVE_OOO_CACHE_READ */
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_mb.spin.input.trail b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_mb.spin.input.trail
deleted file mode 100644
index bf64078..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_mb.spin.input.trail
+++ /dev/null
@@ -1,1304 +0,0 @@
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diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_rmb.define b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_rmb.define
deleted file mode 100644
index 73e61a4..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_rmb.define
+++ /dev/null
@@ -1 +0,0 @@
-#define NO_RMB
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_rmb.log b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_rmb.log
deleted file mode 100644
index 5bfb772..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_rmb.log
+++ /dev/null
@@ -1,491 +0,0 @@
-make[1]: Entering directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define >> pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_free_no_rmb.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1272)
-Depth=    6905 States=    1e+06 Transitions= 6.24e+06 Memory=   550.432	t=   16.2 R=   6e+04
-Depth=    6905 States=    2e+06 Transitions= 1.71e+07 Memory=   634.318	t=   47.8 R=   4e+04
-Depth=    6905 States=    3e+06 Transitions= 3.39e+07 Memory=   718.303	t=   99.2 R=   3e+04
-pan: resizing hashtable to -w22..  done
-Depth=    6905 States=    4e+06 Transitions= 4.47e+07 Memory=   833.311	t=    131 R=   3e+04
-Depth=    6905 States=    5e+06 Transitions= 5.38e+07 Memory=   917.295	t=    157 R=   3e+04
-Depth=    6905 States=    6e+06 Transitions=  6.2e+07 Memory=  1001.279	t=    180 R=   3e+04
-Depth=    6905 States=    7e+06 Transitions= 7.38e+07 Memory=  1085.264	t=    214 R=   3e+04
-Depth=    6905 States=    8e+06 Transitions= 8.99e+07 Memory=  1169.151	t=    264 R=   3e+04
-Depth=    6905 States=    9e+06 Transitions= 1.01e+08 Memory=  1253.135	t=    297 R=   3e+04
-pan: resizing hashtable to -w24..  done
-Depth=    6905 States=    1e+07 Transitions= 1.11e+08 Memory=  1461.115	t=    325 R=   3e+04
-Depth=    6905 States=  1.1e+07 Transitions= 1.18e+08 Memory=  1545.100	t=    347 R=   3e+04
-Depth=    6905 States=  1.2e+07 Transitions= 1.31e+08 Memory=  1629.084	t=    383 R=   3e+04
-
-(Spin Version 5.1.7 -- 23 December 2008)
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness disabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 6905, errors: 0
- 12145921 states, stored
-1.2049274e+08 states, matched
-1.3263866e+08 transitions (= stored+matched)
-2.0136766e+09 atomic steps
-hash conflicts: 1.0176788e+08 (resolved)
-
-Stats on memory usage (in Megabytes):
- 1343.657	equivalent memory usage for states (stored*(State-vector + overhead))
- 1056.279	actual memory usage for states (compression: 78.61%)
-         	state-vector as stored = 63 byte + 28 byte overhead
-  128.000	memory used for hash table (-w24)
-  457.764	memory used for DFS stack (-m10000000)
- 1641.389	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 262, "pan.___", state 30, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 52, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 61, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 77, "(1)"
-	line 243, "pan.___", state 85, "(1)"
-	line 247, "pan.___", state 97, "(1)"
-	line 251, "pan.___", state 105, "(1)"
-	line 401, "pan.___", state 131, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 163, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 177, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 195, "(1)"
-	line 247, "pan.___", state 215, "(1)"
-	line 251, "pan.___", state 223, "(1)"
-	line 680, "pan.___", state 242, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 401, "pan.___", state 249, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 281, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 295, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 313, "(1)"
-	line 247, "pan.___", state 333, "(1)"
-	line 251, "pan.___", state 341, "(1)"
-	line 401, "pan.___", state 360, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 392, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 406, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 424, "(1)"
-	line 247, "pan.___", state 444, "(1)"
-	line 251, "pan.___", state 452, "(1)"
-	line 401, "pan.___", state 473, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 475, "(1)"
-	line 401, "pan.___", state 476, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 476, "else"
-	line 401, "pan.___", state 479, "(1)"
-	line 405, "pan.___", state 487, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 489, "(1)"
-	line 405, "pan.___", state 490, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 490, "else"
-	line 405, "pan.___", state 493, "(1)"
-	line 405, "pan.___", state 494, "(1)"
-	line 405, "pan.___", state 494, "(1)"
-	line 403, "pan.___", state 499, "((i<1))"
-	line 403, "pan.___", state 499, "((i>=1))"
-	line 410, "pan.___", state 505, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 507, "(1)"
-	line 410, "pan.___", state 508, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 410, "pan.___", state 508, "else"
-	line 410, "pan.___", state 511, "(1)"
-	line 410, "pan.___", state 512, "(1)"
-	line 410, "pan.___", state 512, "(1)"
-	line 414, "pan.___", state 519, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 521, "(1)"
-	line 414, "pan.___", state 522, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 414, "pan.___", state 522, "else"
-	line 414, "pan.___", state 525, "(1)"
-	line 414, "pan.___", state 526, "(1)"
-	line 414, "pan.___", state 526, "(1)"
-	line 412, "pan.___", state 531, "((i<2))"
-	line 412, "pan.___", state 531, "((i>=2))"
-	line 239, "pan.___", state 537, "(1)"
-	line 243, "pan.___", state 545, "(1)"
-	line 243, "pan.___", state 546, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 546, "else"
-	line 241, "pan.___", state 551, "((i<1))"
-	line 241, "pan.___", state 551, "((i>=1))"
-	line 247, "pan.___", state 557, "(1)"
-	line 247, "pan.___", state 558, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 558, "else"
-	line 251, "pan.___", state 565, "(1)"
-	line 251, "pan.___", state 566, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 566, "else"
-	line 249, "pan.___", state 571, "((i<2))"
-	line 249, "pan.___", state 571, "((i>=2))"
-	line 256, "pan.___", state 575, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 575, "else"
-	line 421, "pan.___", state 577, "(1)"
-	line 421, "pan.___", state 577, "(1)"
-	line 680, "pan.___", state 580, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 680, "pan.___", state 581, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 680, "pan.___", state 582, "(1)"
-	line 401, "pan.___", state 589, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 621, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 635, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 653, "(1)"
-	line 247, "pan.___", state 673, "(1)"
-	line 251, "pan.___", state 681, "(1)"
-	line 401, "pan.___", state 707, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 709, "(1)"
-	line 401, "pan.___", state 710, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 710, "else"
-	line 401, "pan.___", state 713, "(1)"
-	line 405, "pan.___", state 721, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 723, "(1)"
-	line 405, "pan.___", state 724, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 724, "else"
-	line 405, "pan.___", state 727, "(1)"
-	line 405, "pan.___", state 728, "(1)"
-	line 405, "pan.___", state 728, "(1)"
-	line 403, "pan.___", state 733, "((i<1))"
-	line 403, "pan.___", state 733, "((i>=1))"
-	line 410, "pan.___", state 739, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 741, "(1)"
-	line 410, "pan.___", state 742, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 410, "pan.___", state 742, "else"
-	line 410, "pan.___", state 745, "(1)"
-	line 410, "pan.___", state 746, "(1)"
-	line 410, "pan.___", state 746, "(1)"
-	line 414, "pan.___", state 753, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 755, "(1)"
-	line 414, "pan.___", state 756, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 414, "pan.___", state 756, "else"
-	line 414, "pan.___", state 759, "(1)"
-	line 414, "pan.___", state 760, "(1)"
-	line 414, "pan.___", state 760, "(1)"
-	line 412, "pan.___", state 765, "((i<2))"
-	line 412, "pan.___", state 765, "((i>=2))"
-	line 239, "pan.___", state 771, "(1)"
-	line 243, "pan.___", state 779, "(1)"
-	line 243, "pan.___", state 780, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 780, "else"
-	line 241, "pan.___", state 785, "((i<1))"
-	line 241, "pan.___", state 785, "((i>=1))"
-	line 247, "pan.___", state 791, "(1)"
-	line 247, "pan.___", state 792, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 792, "else"
-	line 251, "pan.___", state 799, "(1)"
-	line 251, "pan.___", state 800, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 800, "else"
-	line 256, "pan.___", state 809, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 809, "else"
-	line 421, "pan.___", state 811, "(1)"
-	line 421, "pan.___", state 811, "(1)"
-	line 401, "pan.___", state 818, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 820, "(1)"
-	line 401, "pan.___", state 821, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 821, "else"
-	line 401, "pan.___", state 824, "(1)"
-	line 405, "pan.___", state 832, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 834, "(1)"
-	line 405, "pan.___", state 835, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 835, "else"
-	line 405, "pan.___", state 838, "(1)"
-	line 405, "pan.___", state 839, "(1)"
-	line 405, "pan.___", state 839, "(1)"
-	line 403, "pan.___", state 844, "((i<1))"
-	line 403, "pan.___", state 844, "((i>=1))"
-	line 410, "pan.___", state 850, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 852, "(1)"
-	line 410, "pan.___", state 853, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 410, "pan.___", state 853, "else"
-	line 410, "pan.___", state 856, "(1)"
-	line 410, "pan.___", state 857, "(1)"
-	line 410, "pan.___", state 857, "(1)"
-	line 414, "pan.___", state 864, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 866, "(1)"
-	line 414, "pan.___", state 867, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 414, "pan.___", state 867, "else"
-	line 414, "pan.___", state 870, "(1)"
-	line 414, "pan.___", state 871, "(1)"
-	line 414, "pan.___", state 871, "(1)"
-	line 412, "pan.___", state 876, "((i<2))"
-	line 412, "pan.___", state 876, "((i>=2))"
-	line 239, "pan.___", state 882, "(1)"
-	line 243, "pan.___", state 890, "(1)"
-	line 243, "pan.___", state 891, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 891, "else"
-	line 241, "pan.___", state 896, "((i<1))"
-	line 241, "pan.___", state 896, "((i>=1))"
-	line 247, "pan.___", state 902, "(1)"
-	line 247, "pan.___", state 903, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 903, "else"
-	line 251, "pan.___", state 910, "(1)"
-	line 251, "pan.___", state 911, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 911, "else"
-	line 249, "pan.___", state 916, "((i<2))"
-	line 249, "pan.___", state 916, "((i>=2))"
-	line 256, "pan.___", state 920, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 920, "else"
-	line 421, "pan.___", state 922, "(1)"
-	line 421, "pan.___", state 922, "(1)"
-	line 688, "pan.___", state 926, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 401, "pan.___", state 931, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 963, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 977, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 995, "(1)"
-	line 247, "pan.___", state 1015, "(1)"
-	line 251, "pan.___", state 1023, "(1)"
-	line 401, "pan.___", state 1045, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1077, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1091, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1109, "(1)"
-	line 247, "pan.___", state 1129, "(1)"
-	line 251, "pan.___", state 1137, "(1)"
-	line 401, "pan.___", state 1160, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1192, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1206, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1224, "(1)"
-	line 247, "pan.___", state 1244, "(1)"
-	line 251, "pan.___", state 1252, "(1)"
-	line 401, "pan.___", state 1271, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1303, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1317, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1335, "(1)"
-	line 247, "pan.___", state 1355, "(1)"
-	line 251, "pan.___", state 1363, "(1)"
-	line 401, "pan.___", state 1387, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1419, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1433, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1451, "(1)"
-	line 247, "pan.___", state 1471, "(1)"
-	line 251, "pan.___", state 1479, "(1)"
-	line 401, "pan.___", state 1498, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1530, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1544, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1562, "(1)"
-	line 247, "pan.___", state 1582, "(1)"
-	line 251, "pan.___", state 1590, "(1)"
-	line 401, "pan.___", state 1612, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1644, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1658, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1676, "(1)"
-	line 247, "pan.___", state 1696, "(1)"
-	line 251, "pan.___", state 1704, "(1)"
-	line 727, "pan.___", state 1723, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 401, "pan.___", state 1730, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1762, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1776, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1794, "(1)"
-	line 247, "pan.___", state 1814, "(1)"
-	line 251, "pan.___", state 1822, "(1)"
-	line 401, "pan.___", state 1841, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1873, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1887, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1905, "(1)"
-	line 247, "pan.___", state 1925, "(1)"
-	line 251, "pan.___", state 1933, "(1)"
-	line 401, "pan.___", state 1954, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 1956, "(1)"
-	line 401, "pan.___", state 1957, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 1957, "else"
-	line 401, "pan.___", state 1960, "(1)"
-	line 405, "pan.___", state 1968, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 1970, "(1)"
-	line 405, "pan.___", state 1971, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 1971, "else"
-	line 405, "pan.___", state 1974, "(1)"
-	line 405, "pan.___", state 1975, "(1)"
-	line 405, "pan.___", state 1975, "(1)"
-	line 403, "pan.___", state 1980, "((i<1))"
-	line 403, "pan.___", state 1980, "((i>=1))"
-	line 410, "pan.___", state 1986, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1988, "(1)"
-	line 410, "pan.___", state 1989, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 410, "pan.___", state 1989, "else"
-	line 410, "pan.___", state 1992, "(1)"
-	line 410, "pan.___", state 1993, "(1)"
-	line 410, "pan.___", state 1993, "(1)"
-	line 414, "pan.___", state 2000, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 2002, "(1)"
-	line 414, "pan.___", state 2003, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 414, "pan.___", state 2003, "else"
-	line 414, "pan.___", state 2006, "(1)"
-	line 414, "pan.___", state 2007, "(1)"
-	line 414, "pan.___", state 2007, "(1)"
-	line 412, "pan.___", state 2012, "((i<2))"
-	line 412, "pan.___", state 2012, "((i>=2))"
-	line 239, "pan.___", state 2018, "(1)"
-	line 243, "pan.___", state 2026, "(1)"
-	line 243, "pan.___", state 2027, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 2027, "else"
-	line 241, "pan.___", state 2032, "((i<1))"
-	line 241, "pan.___", state 2032, "((i>=1))"
-	line 247, "pan.___", state 2038, "(1)"
-	line 247, "pan.___", state 2039, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 2039, "else"
-	line 251, "pan.___", state 2046, "(1)"
-	line 251, "pan.___", state 2047, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 2047, "else"
-	line 249, "pan.___", state 2052, "((i<2))"
-	line 249, "pan.___", state 2052, "((i>=2))"
-	line 256, "pan.___", state 2056, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 2056, "else"
-	line 421, "pan.___", state 2058, "(1)"
-	line 421, "pan.___", state 2058, "(1)"
-	line 727, "pan.___", state 2061, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 727, "pan.___", state 2062, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 727, "pan.___", state 2063, "(1)"
-	line 401, "pan.___", state 2070, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 2102, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 2116, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 2134, "(1)"
-	line 247, "pan.___", state 2154, "(1)"
-	line 251, "pan.___", state 2162, "(1)"
-	line 401, "pan.___", state 2187, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 2219, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 2233, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 2251, "(1)"
-	line 247, "pan.___", state 2271, "(1)"
-	line 251, "pan.___", state 2279, "(1)"
-	line 401, "pan.___", state 2298, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 2330, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 2344, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 2362, "(1)"
-	line 247, "pan.___", state 2382, "(1)"
-	line 251, "pan.___", state 2390, "(1)"
-	line 401, "pan.___", state 2421, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 2453, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 2467, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 2485, "(1)"
-	line 247, "pan.___", state 2505, "(1)"
-	line 251, "pan.___", state 2513, "(1)"
-	line 401, "pan.___", state 2530, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 2562, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 2576, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 2594, "(1)"
-	line 247, "pan.___", state 2614, "(1)"
-	line 251, "pan.___", state 2622, "(1)"
-	line 887, "pan.___", state 2641, "-end-"
-	(252 of 2641 states)
-unreached in proctype urcu_writer
-	line 401, "pan.___", state 18, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 32, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 50, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 82, "(1)"
-	line 243, "pan.___", state 90, "(1)"
-	line 247, "pan.___", state 102, "(1)"
-	line 262, "pan.___", state 131, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 140, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 153, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 193, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 207, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 225, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 239, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 257, "(1)"
-	line 243, "pan.___", state 265, "(1)"
-	line 247, "pan.___", state 277, "(1)"
-	line 251, "pan.___", state 285, "(1)"
-	line 405, "pan.___", state 320, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 338, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 352, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 243, "pan.___", state 378, "(1)"
-	line 247, "pan.___", state 390, "(1)"
-	line 251, "pan.___", state 398, "(1)"
-	line 405, "pan.___", state 440, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 458, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 472, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 243, "pan.___", state 498, "(1)"
-	line 247, "pan.___", state 510, "(1)"
-	line 251, "pan.___", state 518, "(1)"
-	line 405, "pan.___", state 551, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 569, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 583, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 243, "pan.___", state 609, "(1)"
-	line 247, "pan.___", state 621, "(1)"
-	line 251, "pan.___", state 629, "(1)"
-	line 405, "pan.___", state 664, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 682, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 696, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 243, "pan.___", state 722, "(1)"
-	line 247, "pan.___", state 734, "(1)"
-	line 251, "pan.___", state 742, "(1)"
-	line 262, "pan.___", state 795, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 804, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 819, "(1)"
-	line 274, "pan.___", state 826, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 842, "(1)"
-	line 243, "pan.___", state 850, "(1)"
-	line 247, "pan.___", state 862, "(1)"
-	line 251, "pan.___", state 870, "(1)"
-	line 262, "pan.___", state 901, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 910, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 923, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 932, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 948, "(1)"
-	line 243, "pan.___", state 956, "(1)"
-	line 247, "pan.___", state 968, "(1)"
-	line 251, "pan.___", state 976, "(1)"
-	line 266, "pan.___", state 1002, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1015, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1024, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1040, "(1)"
-	line 243, "pan.___", state 1048, "(1)"
-	line 247, "pan.___", state 1060, "(1)"
-	line 251, "pan.___", state 1068, "(1)"
-	line 262, "pan.___", state 1099, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 1108, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1121, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1130, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1146, "(1)"
-	line 243, "pan.___", state 1154, "(1)"
-	line 247, "pan.___", state 1166, "(1)"
-	line 251, "pan.___", state 1174, "(1)"
-	line 266, "pan.___", state 1200, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1213, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1222, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1238, "(1)"
-	line 243, "pan.___", state 1246, "(1)"
-	line 247, "pan.___", state 1258, "(1)"
-	line 251, "pan.___", state 1266, "(1)"
-	line 262, "pan.___", state 1297, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 1306, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1319, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1328, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1344, "(1)"
-	line 243, "pan.___", state 1352, "(1)"
-	line 247, "pan.___", state 1364, "(1)"
-	line 251, "pan.___", state 1372, "(1)"
-	line 266, "pan.___", state 1398, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1411, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1420, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1436, "(1)"
-	line 243, "pan.___", state 1444, "(1)"
-	line 247, "pan.___", state 1456, "(1)"
-	line 251, "pan.___", state 1464, "(1)"
-	line 262, "pan.___", state 1495, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 1504, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1517, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1526, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1542, "(1)"
-	line 243, "pan.___", state 1550, "(1)"
-	line 247, "pan.___", state 1562, "(1)"
-	line 251, "pan.___", state 1570, "(1)"
-	line 1214, "pan.___", state 1586, "-end-"
-	(103 of 1586 states)
-unreached in proctype :init:
-	(0 of 78 states)
-unreached in proctype :never:
-	line 1277, "pan.___", state 8, "-end-"
-	(1 of 8 states)
-
-pan: elapsed time 388 seconds
-pan: rate 31299.887 states/second
-pan: avg transition delay 2.9256e-06 usec
-cp .input.spin urcu_free_no_rmb.spin.input
-cp .input.spin.trail urcu_free_no_rmb.spin.input.trail
-make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_rmb.spin.input b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_rmb.spin.input
deleted file mode 100644
index b54b6b4..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_rmb.spin.input
+++ /dev/null
@@ -1,1250 +0,0 @@
-#define NO_RMB
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-
-//#define ARCH_ALPHA
-#define ARCH_INTEL
-//#define ARCH_POWERPC
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Only Alpha has out-of-order cache bank loads. Other architectures (intel,
- * powerpc, arm) ensure that dependent reads won't be reordered. c.f.
- * http://www.linuxjournal.com/article/8212)
-#ifdef ARCH_ALPHA
-#define HAVE_OOO_CACHE_READ
-#endif
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i)
-{
-	atomic {
-		smp_wmb(i);
-		smp_rmb(i);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i)
-#define smp_mb_reader	smp_mb(i)
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-#ifdef HAVE_OOO_CACHE_READ
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-#else
-		smp_rmb(i);
-#endif /* HAVE_OOO_CACHE_READ */
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_wmb.define b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_wmb.define
deleted file mode 100644
index 710f29d..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_wmb.define
+++ /dev/null
@@ -1 +0,0 @@
-#define NO_WMB
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_wmb.log b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_wmb.log
deleted file mode 100644
index 9422810..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_wmb.log
+++ /dev/null
@@ -1,511 +0,0 @@
-make[1]: Entering directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define >> pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_free_no_wmb.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1272)
-Depth=    6716 States=    1e+06 Transitions= 5.89e+06 Memory=   550.432	t=   14.4 R=   7e+04
-Depth=    6716 States=    2e+06 Transitions= 1.63e+07 Memory=   634.318	t=   42.7 R=   5e+04
-Depth=    6716 States=    3e+06 Transitions= 2.25e+07 Memory=   718.303	t=   58.7 R=   5e+04
-pan: resizing hashtable to -w22..  done
-Depth=    6716 States=    4e+06 Transitions= 3.22e+07 Memory=   833.311	t=   85.5 R=   5e+04
-Depth=    6716 States=    5e+06 Transitions= 4.86e+07 Memory=   917.295	t=    132 R=   4e+04
-Depth=    6716 States=    6e+06 Transitions= 6.42e+07 Memory=  1001.279	t=    176 R=   3e+04
-Depth=    6716 States=    7e+06 Transitions= 7.63e+07 Memory=  1085.264	t=    209 R=   3e+04
-Depth=    6716 States=    8e+06 Transitions= 8.46e+07 Memory=  1169.151	t=    232 R=   3e+04
-Depth=    6716 States=    9e+06 Transitions= 9.43e+07 Memory=  1253.135	t=    259 R=   3e+04
-pan: resizing hashtable to -w24..  done
-Depth=    6716 States=    1e+07 Transitions= 1.03e+08 Memory=  1461.115	t=    283 R=   4e+04
-Depth=    6716 States=  1.1e+07 Transitions= 1.15e+08 Memory=  1545.100	t=    316 R=   3e+04
-Depth=    6716 States=  1.2e+07 Transitions= 1.21e+08 Memory=  1629.084	t=    331 R=   4e+04
-pan: claim violated! (at depth 1387)
-pan: wrote .input.spin.trail
-
-(Spin Version 5.1.7 -- 23 December 2008)
-Warning: Search not completed
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness disabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 6716, errors: 1
- 12467262 states, stored
-1.1402162e+08 states, matched
-1.2648888e+08 transitions (= stored+matched)
-1.8978936e+09 atomic steps
-hash conflicts:  82801757 (resolved)
-
-Stats on memory usage (in Megabytes):
- 1379.206	equivalent memory usage for states (stored*(State-vector + overhead))
- 1083.262	actual memory usage for states (compression: 78.54%)
-         	state-vector as stored = 63 byte + 28 byte overhead
-  128.000	memory used for hash table (-w24)
-  457.764	memory used for DFS stack (-m10000000)
- 1668.342	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 262, "pan.___", state 30, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 52, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 61, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 77, "(1)"
-	line 243, "pan.___", state 85, "(1)"
-	line 247, "pan.___", state 97, "(1)"
-	line 251, "pan.___", state 105, "(1)"
-	line 401, "pan.___", state 131, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 163, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 177, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 195, "(1)"
-	line 247, "pan.___", state 215, "(1)"
-	line 251, "pan.___", state 223, "(1)"
-	line 680, "pan.___", state 242, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 401, "pan.___", state 249, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 281, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 295, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 313, "(1)"
-	line 247, "pan.___", state 333, "(1)"
-	line 251, "pan.___", state 341, "(1)"
-	line 401, "pan.___", state 360, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 392, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 406, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 424, "(1)"
-	line 247, "pan.___", state 444, "(1)"
-	line 251, "pan.___", state 452, "(1)"
-	line 401, "pan.___", state 473, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 475, "(1)"
-	line 401, "pan.___", state 476, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 476, "else"
-	line 401, "pan.___", state 479, "(1)"
-	line 405, "pan.___", state 487, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 489, "(1)"
-	line 405, "pan.___", state 490, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 490, "else"
-	line 405, "pan.___", state 493, "(1)"
-	line 405, "pan.___", state 494, "(1)"
-	line 405, "pan.___", state 494, "(1)"
-	line 403, "pan.___", state 499, "((i<1))"
-	line 403, "pan.___", state 499, "((i>=1))"
-	line 410, "pan.___", state 505, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 507, "(1)"
-	line 410, "pan.___", state 508, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 410, "pan.___", state 508, "else"
-	line 410, "pan.___", state 511, "(1)"
-	line 410, "pan.___", state 512, "(1)"
-	line 410, "pan.___", state 512, "(1)"
-	line 414, "pan.___", state 519, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 521, "(1)"
-	line 414, "pan.___", state 522, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 414, "pan.___", state 522, "else"
-	line 414, "pan.___", state 525, "(1)"
-	line 414, "pan.___", state 526, "(1)"
-	line 414, "pan.___", state 526, "(1)"
-	line 412, "pan.___", state 531, "((i<2))"
-	line 412, "pan.___", state 531, "((i>=2))"
-	line 239, "pan.___", state 537, "(1)"
-	line 243, "pan.___", state 545, "(1)"
-	line 243, "pan.___", state 546, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 546, "else"
-	line 241, "pan.___", state 551, "((i<1))"
-	line 241, "pan.___", state 551, "((i>=1))"
-	line 247, "pan.___", state 557, "(1)"
-	line 247, "pan.___", state 558, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 558, "else"
-	line 251, "pan.___", state 565, "(1)"
-	line 251, "pan.___", state 566, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 566, "else"
-	line 249, "pan.___", state 571, "((i<2))"
-	line 249, "pan.___", state 571, "((i>=2))"
-	line 256, "pan.___", state 575, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 575, "else"
-	line 421, "pan.___", state 577, "(1)"
-	line 421, "pan.___", state 577, "(1)"
-	line 680, "pan.___", state 580, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 680, "pan.___", state 581, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 680, "pan.___", state 582, "(1)"
-	line 401, "pan.___", state 589, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 621, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 635, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 653, "(1)"
-	line 247, "pan.___", state 673, "(1)"
-	line 251, "pan.___", state 681, "(1)"
-	line 401, "pan.___", state 707, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 709, "(1)"
-	line 401, "pan.___", state 710, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 710, "else"
-	line 401, "pan.___", state 713, "(1)"
-	line 405, "pan.___", state 721, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 723, "(1)"
-	line 405, "pan.___", state 724, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 724, "else"
-	line 405, "pan.___", state 727, "(1)"
-	line 405, "pan.___", state 728, "(1)"
-	line 405, "pan.___", state 728, "(1)"
-	line 403, "pan.___", state 733, "((i<1))"
-	line 403, "pan.___", state 733, "((i>=1))"
-	line 410, "pan.___", state 739, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 741, "(1)"
-	line 410, "pan.___", state 742, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 410, "pan.___", state 742, "else"
-	line 410, "pan.___", state 745, "(1)"
-	line 410, "pan.___", state 746, "(1)"
-	line 410, "pan.___", state 746, "(1)"
-	line 414, "pan.___", state 753, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 755, "(1)"
-	line 414, "pan.___", state 756, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 414, "pan.___", state 756, "else"
-	line 414, "pan.___", state 759, "(1)"
-	line 414, "pan.___", state 760, "(1)"
-	line 414, "pan.___", state 760, "(1)"
-	line 412, "pan.___", state 765, "((i<2))"
-	line 412, "pan.___", state 765, "((i>=2))"
-	line 239, "pan.___", state 771, "(1)"
-	line 243, "pan.___", state 779, "(1)"
-	line 243, "pan.___", state 780, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 780, "else"
-	line 241, "pan.___", state 785, "((i<1))"
-	line 241, "pan.___", state 785, "((i>=1))"
-	line 247, "pan.___", state 791, "(1)"
-	line 247, "pan.___", state 792, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 792, "else"
-	line 251, "pan.___", state 799, "(1)"
-	line 251, "pan.___", state 800, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 800, "else"
-	line 256, "pan.___", state 809, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 809, "else"
-	line 421, "pan.___", state 811, "(1)"
-	line 421, "pan.___", state 811, "(1)"
-	line 401, "pan.___", state 818, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 820, "(1)"
-	line 401, "pan.___", state 821, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 821, "else"
-	line 401, "pan.___", state 824, "(1)"
-	line 405, "pan.___", state 832, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 834, "(1)"
-	line 405, "pan.___", state 835, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 835, "else"
-	line 405, "pan.___", state 838, "(1)"
-	line 405, "pan.___", state 839, "(1)"
-	line 405, "pan.___", state 839, "(1)"
-	line 403, "pan.___", state 844, "((i<1))"
-	line 403, "pan.___", state 844, "((i>=1))"
-	line 410, "pan.___", state 850, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 852, "(1)"
-	line 410, "pan.___", state 853, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 410, "pan.___", state 853, "else"
-	line 410, "pan.___", state 856, "(1)"
-	line 410, "pan.___", state 857, "(1)"
-	line 410, "pan.___", state 857, "(1)"
-	line 414, "pan.___", state 864, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 866, "(1)"
-	line 414, "pan.___", state 867, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 414, "pan.___", state 867, "else"
-	line 414, "pan.___", state 870, "(1)"
-	line 414, "pan.___", state 871, "(1)"
-	line 414, "pan.___", state 871, "(1)"
-	line 412, "pan.___", state 876, "((i<2))"
-	line 412, "pan.___", state 876, "((i>=2))"
-	line 239, "pan.___", state 882, "(1)"
-	line 243, "pan.___", state 890, "(1)"
-	line 243, "pan.___", state 891, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 891, "else"
-	line 241, "pan.___", state 896, "((i<1))"
-	line 241, "pan.___", state 896, "((i>=1))"
-	line 247, "pan.___", state 902, "(1)"
-	line 247, "pan.___", state 903, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 903, "else"
-	line 251, "pan.___", state 910, "(1)"
-	line 251, "pan.___", state 911, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 911, "else"
-	line 249, "pan.___", state 916, "((i<2))"
-	line 249, "pan.___", state 916, "((i>=2))"
-	line 256, "pan.___", state 920, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 920, "else"
-	line 421, "pan.___", state 922, "(1)"
-	line 421, "pan.___", state 922, "(1)"
-	line 688, "pan.___", state 926, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 401, "pan.___", state 931, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 963, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 977, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 995, "(1)"
-	line 247, "pan.___", state 1015, "(1)"
-	line 251, "pan.___", state 1023, "(1)"
-	line 401, "pan.___", state 1045, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1077, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1091, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1109, "(1)"
-	line 247, "pan.___", state 1129, "(1)"
-	line 251, "pan.___", state 1137, "(1)"
-	line 401, "pan.___", state 1160, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1192, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1206, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1224, "(1)"
-	line 247, "pan.___", state 1244, "(1)"
-	line 251, "pan.___", state 1252, "(1)"
-	line 401, "pan.___", state 1271, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1303, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1317, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1335, "(1)"
-	line 247, "pan.___", state 1355, "(1)"
-	line 251, "pan.___", state 1363, "(1)"
-	line 401, "pan.___", state 1387, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1419, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1433, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1451, "(1)"
-	line 247, "pan.___", state 1471, "(1)"
-	line 251, "pan.___", state 1479, "(1)"
-	line 401, "pan.___", state 1498, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1530, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1544, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1562, "(1)"
-	line 247, "pan.___", state 1582, "(1)"
-	line 251, "pan.___", state 1590, "(1)"
-	line 401, "pan.___", state 1612, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1644, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1658, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1676, "(1)"
-	line 247, "pan.___", state 1696, "(1)"
-	line 251, "pan.___", state 1704, "(1)"
-	line 727, "pan.___", state 1723, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 401, "pan.___", state 1730, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1762, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1776, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1794, "(1)"
-	line 247, "pan.___", state 1814, "(1)"
-	line 251, "pan.___", state 1822, "(1)"
-	line 401, "pan.___", state 1841, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1873, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1887, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1905, "(1)"
-	line 247, "pan.___", state 1925, "(1)"
-	line 251, "pan.___", state 1933, "(1)"
-	line 401, "pan.___", state 1954, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 1956, "(1)"
-	line 401, "pan.___", state 1957, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 1957, "else"
-	line 401, "pan.___", state 1960, "(1)"
-	line 405, "pan.___", state 1968, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 1970, "(1)"
-	line 405, "pan.___", state 1971, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 1971, "else"
-	line 405, "pan.___", state 1974, "(1)"
-	line 405, "pan.___", state 1975, "(1)"
-	line 405, "pan.___", state 1975, "(1)"
-	line 403, "pan.___", state 1980, "((i<1))"
-	line 403, "pan.___", state 1980, "((i>=1))"
-	line 410, "pan.___", state 1986, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1988, "(1)"
-	line 410, "pan.___", state 1989, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 410, "pan.___", state 1989, "else"
-	line 410, "pan.___", state 1992, "(1)"
-	line 410, "pan.___", state 1993, "(1)"
-	line 410, "pan.___", state 1993, "(1)"
-	line 414, "pan.___", state 2000, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 2002, "(1)"
-	line 414, "pan.___", state 2003, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 414, "pan.___", state 2003, "else"
-	line 414, "pan.___", state 2006, "(1)"
-	line 414, "pan.___", state 2007, "(1)"
-	line 414, "pan.___", state 2007, "(1)"
-	line 412, "pan.___", state 2012, "((i<2))"
-	line 412, "pan.___", state 2012, "((i>=2))"
-	line 239, "pan.___", state 2018, "(1)"
-	line 243, "pan.___", state 2026, "(1)"
-	line 243, "pan.___", state 2027, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 2027, "else"
-	line 241, "pan.___", state 2032, "((i<1))"
-	line 241, "pan.___", state 2032, "((i>=1))"
-	line 247, "pan.___", state 2038, "(1)"
-	line 247, "pan.___", state 2039, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 2039, "else"
-	line 251, "pan.___", state 2046, "(1)"
-	line 251, "pan.___", state 2047, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 2047, "else"
-	line 249, "pan.___", state 2052, "((i<2))"
-	line 249, "pan.___", state 2052, "((i>=2))"
-	line 256, "pan.___", state 2056, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 2056, "else"
-	line 421, "pan.___", state 2058, "(1)"
-	line 421, "pan.___", state 2058, "(1)"
-	line 727, "pan.___", state 2061, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 727, "pan.___", state 2062, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 727, "pan.___", state 2063, "(1)"
-	line 401, "pan.___", state 2070, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 2102, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 2116, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 2134, "(1)"
-	line 247, "pan.___", state 2154, "(1)"
-	line 251, "pan.___", state 2162, "(1)"
-	line 401, "pan.___", state 2187, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 2219, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 2233, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 2251, "(1)"
-	line 247, "pan.___", state 2271, "(1)"
-	line 251, "pan.___", state 2279, "(1)"
-	line 401, "pan.___", state 2298, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 2330, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 2344, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 2362, "(1)"
-	line 247, "pan.___", state 2382, "(1)"
-	line 251, "pan.___", state 2390, "(1)"
-	line 239, "pan.___", state 2421, "(1)"
-	line 247, "pan.___", state 2441, "(1)"
-	line 251, "pan.___", state 2449, "(1)"
-	line 239, "pan.___", state 2464, "(1)"
-	line 247, "pan.___", state 2484, "(1)"
-	line 251, "pan.___", state 2492, "(1)"
-	line 887, "pan.___", state 2509, "-end-"
-	(246 of 2509 states)
-unreached in proctype urcu_writer
-	line 401, "pan.___", state 19, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 33, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 83, "(1)"
-	line 243, "pan.___", state 91, "(1)"
-	line 262, "pan.___", state 132, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 134, "(1)"
-	line 266, "pan.___", state 141, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 143, "(1)"
-	line 266, "pan.___", state 144, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 266, "pan.___", state 144, "else"
-	line 264, "pan.___", state 149, "((i<1))"
-	line 264, "pan.___", state 149, "((i>=1))"
-	line 270, "pan.___", state 154, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 156, "(1)"
-	line 270, "pan.___", state 157, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 270, "pan.___", state 157, "else"
-	line 274, "pan.___", state 163, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 165, "(1)"
-	line 274, "pan.___", state 166, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 274, "pan.___", state 166, "else"
-	line 279, "pan.___", state 175, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 279, "pan.___", state 175, "else"
-	line 401, "pan.___", state 194, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 208, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 226, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 240, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 258, "(1)"
-	line 243, "pan.___", state 266, "(1)"
-	line 247, "pan.___", state 278, "(1)"
-	line 251, "pan.___", state 286, "(1)"
-	line 405, "pan.___", state 321, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 339, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 353, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 243, "pan.___", state 379, "(1)"
-	line 247, "pan.___", state 391, "(1)"
-	line 251, "pan.___", state 399, "(1)"
-	line 405, "pan.___", state 441, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 459, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 473, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 243, "pan.___", state 499, "(1)"
-	line 247, "pan.___", state 511, "(1)"
-	line 251, "pan.___", state 519, "(1)"
-	line 405, "pan.___", state 552, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 570, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 584, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 243, "pan.___", state 610, "(1)"
-	line 247, "pan.___", state 622, "(1)"
-	line 251, "pan.___", state 630, "(1)"
-	line 405, "pan.___", state 665, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 683, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 697, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 243, "pan.___", state 723, "(1)"
-	line 247, "pan.___", state 735, "(1)"
-	line 251, "pan.___", state 743, "(1)"
-	line 262, "pan.___", state 796, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 805, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 843, "(1)"
-	line 243, "pan.___", state 851, "(1)"
-	line 247, "pan.___", state 863, "(1)"
-	line 251, "pan.___", state 871, "(1)"
-	line 262, "pan.___", state 902, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 911, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 924, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 933, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 949, "(1)"
-	line 243, "pan.___", state 957, "(1)"
-	line 247, "pan.___", state 969, "(1)"
-	line 251, "pan.___", state 977, "(1)"
-	line 266, "pan.___", state 1003, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1016, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1025, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1041, "(1)"
-	line 243, "pan.___", state 1049, "(1)"
-	line 247, "pan.___", state 1061, "(1)"
-	line 251, "pan.___", state 1069, "(1)"
-	line 262, "pan.___", state 1100, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 1109, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1122, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1131, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1147, "(1)"
-	line 243, "pan.___", state 1155, "(1)"
-	line 247, "pan.___", state 1167, "(1)"
-	line 251, "pan.___", state 1175, "(1)"
-	line 266, "pan.___", state 1201, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1214, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1223, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1239, "(1)"
-	line 243, "pan.___", state 1247, "(1)"
-	line 247, "pan.___", state 1259, "(1)"
-	line 251, "pan.___", state 1267, "(1)"
-	line 262, "pan.___", state 1298, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 1307, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1320, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1329, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1345, "(1)"
-	line 243, "pan.___", state 1353, "(1)"
-	line 247, "pan.___", state 1365, "(1)"
-	line 251, "pan.___", state 1373, "(1)"
-	line 266, "pan.___", state 1399, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1412, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1421, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1437, "(1)"
-	line 243, "pan.___", state 1445, "(1)"
-	line 247, "pan.___", state 1457, "(1)"
-	line 251, "pan.___", state 1465, "(1)"
-	line 262, "pan.___", state 1496, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 1505, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1518, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1527, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1543, "(1)"
-	line 243, "pan.___", state 1551, "(1)"
-	line 247, "pan.___", state 1563, "(1)"
-	line 251, "pan.___", state 1571, "(1)"
-	line 1214, "pan.___", state 1587, "-end-"
-	(109 of 1587 states)
-unreached in proctype :init:
-	line 1225, "pan.___", state 9, "((j<2))"
-	line 1225, "pan.___", state 9, "((j>=2))"
-	line 1226, "pan.___", state 20, "((j<2))"
-	line 1226, "pan.___", state 20, "((j>=2))"
-	line 1231, "pan.___", state 33, "((j<2))"
-	line 1231, "pan.___", state 33, "((j>=2))"
-	line 1229, "pan.___", state 43, "((i<1))"
-	line 1229, "pan.___", state 43, "((i>=1))"
-	line 1239, "pan.___", state 54, "((j<2))"
-	line 1239, "pan.___", state 54, "((j>=2))"
-	line 1243, "pan.___", state 67, "((j<2))"
-	line 1243, "pan.___", state 67, "((j>=2))"
-	(6 of 78 states)
-unreached in proctype :never:
-	line 1277, "pan.___", state 8, "-end-"
-	(1 of 8 states)
-
-pan: elapsed time 346 seconds
-pan: rate 36012.773 states/second
-pan: avg transition delay 2.7369e-06 usec
-cp .input.spin urcu_free_no_wmb.spin.input
-cp .input.spin.trail urcu_free_no_wmb.spin.input.trail
-make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_wmb.spin.input b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_wmb.spin.input
deleted file mode 100644
index 07b3110..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_wmb.spin.input
+++ /dev/null
@@ -1,1250 +0,0 @@
-#define NO_WMB
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-
-//#define ARCH_ALPHA
-#define ARCH_INTEL
-//#define ARCH_POWERPC
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Only Alpha has out-of-order cache bank loads. Other architectures (intel,
- * powerpc, arm) ensure that dependent reads won't be reordered. c.f.
- * http://www.linuxjournal.com/article/8212)
-#ifdef ARCH_ALPHA
-#define HAVE_OOO_CACHE_READ
-#endif
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i)
-{
-	atomic {
-		smp_wmb(i);
-		smp_rmb(i);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i)
-#define smp_mb_reader	smp_mb(i)
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-#ifdef HAVE_OOO_CACHE_READ
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-#else
-		smp_rmb(i);
-#endif /* HAVE_OOO_CACHE_READ */
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_wmb.spin.input.trail b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_wmb.spin.input.trail
deleted file mode 100644
index 8c8735f..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_no_wmb.spin.input.trail
+++ /dev/null
@@ -1,1390 +0,0 @@
--2:3:-2
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-1230:0:4176
-1231:1:695
-1232:1:698
-1233:1:699
-1234:0:4176
-1235:1:15
-1236:0:4176
-1237:1:16
-1238:0:4176
-1239:1:17
-1240:0:4176
-1241:1:118
-1242:0:4176
-1243:1:120
-1244:0:4176
-1245:1:19
-1246:0:4176
-1247:1:926
-1248:1:927
-1249:1:931
-1250:1:932
-1251:1:940
-1252:1:941
-1253:1:945
-1254:1:946
-1255:1:954
-1256:1:959
-1257:1:963
-1258:1:964
-1259:1:972
-1260:1:973
-1261:1:977
-1262:1:978
-1263:1:972
-1264:1:973
-1265:1:977
-1266:1:978
-1267:1:986
-1268:1:991
-1269:1:998
-1270:1:999
-1271:1:1006
-1272:1:1011
-1273:1:1018
-1274:1:1019
-1275:1:1018
-1276:1:1019
-1277:1:1026
-1278:1:1035
-1279:1:1039
-1280:0:4176
-1281:1:15
-1282:0:4176
-1283:1:16
-1284:0:4176
-1285:1:17
-1286:0:4176
-1287:1:118
-1288:0:4176
-1289:1:120
-1290:0:4176
-1291:1:19
-1292:0:4176
-1293:1:1040
-1294:1:1041
-1295:1:1045
-1296:1:1046
-1297:1:1054
-1298:1:1055
-1299:1:1056
-1300:1:1068
-1301:1:1073
-1302:1:1077
-1303:1:1078
-1304:1:1086
-1305:1:1087
-1306:1:1091
-1307:1:1092
-1308:1:1086
-1309:1:1087
-1310:1:1091
-1311:1:1092
-1312:1:1100
-1313:1:1105
-1314:1:1112
-1315:1:1113
-1316:1:1120
-1317:1:1125
-1318:1:1132
-1319:1:1133
-1320:1:1132
-1321:1:1133
-1322:1:1140
-1323:0:4176
-1324:1:15
-1325:0:4176
-1326:1:16
-1327:0:4176
-1328:1:17
-1329:0:4176
-1330:1:118
-1331:0:4176
-1332:1:120
-1333:0:4176
-1334:1:19
-1335:0:4176
-1336:1:1151
-1337:0:4176
-1338:1:2417
-1339:1:2424
-1340:1:2425
-1341:1:2432
-1342:1:2437
-1343:1:2444
-1344:1:2445
-1345:1:2444
-1346:1:2445
-1347:1:2452
-1348:1:2456
-1349:0:4176
-1350:2:3305
-1351:2:3306
-1352:2:3310
-1353:2:3314
-1354:2:3315
-1355:2:3319
-1356:2:3324
-1357:2:3332
-1358:2:3336
-1359:2:3337
-1360:2:3332
-1361:2:3333
-1362:2:3341
-1363:2:3348
-1364:2:3355
-1365:2:3356
-1366:2:3363
-1367:2:3368
-1368:2:3375
-1369:2:3376
-1370:2:3375
-1371:2:3376
-1372:2:3383
-1373:2:3387
-1374:0:4176
-1375:2:3392
-1376:0:4176
-1377:2:3393
-1378:0:4176
-1379:2:3394
-1380:0:4176
-1381:2:3395
-1382:0:4176
-1383:1:1153
-1384:1:1154
-1385:0:4174
-1386:2:3396
-1387:0:4180
-1388:1:2165
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_single_flip.define b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_single_flip.define
deleted file mode 100644
index 5e642ef..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_single_flip.define
+++ /dev/null
@@ -1 +0,0 @@
-#define SINGLE_FLIP
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_single_flip.log b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_single_flip.log
deleted file mode 100644
index 96aeb49..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_single_flip.log
+++ /dev/null
@@ -1,678 +0,0 @@
-make[1]: Entering directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define >> pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_free_single_flip.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1272)
-Depth=    6479 States=    1e+06 Transitions= 6.49e+06 Memory=   550.432	t=     16 R=   6e+04
-Depth=    6479 States=    2e+06 Transitions= 1.29e+07 Memory=   634.318	t=   32.2 R=   6e+04
-Depth=    6479 States=    3e+06 Transitions= 2.07e+07 Memory=   718.303	t=     53 R=   6e+04
-pan: resizing hashtable to -w22..  done
-Depth=    6479 States=    4e+06 Transitions= 2.91e+07 Memory=   833.311	t=   75.3 R=   5e+04
-Depth=    6479 States=    5e+06 Transitions= 3.67e+07 Memory=   917.295	t=   95.1 R=   5e+04
-pan: claim violated! (at depth 1254)
-pan: wrote .input.spin.trail
-
-(Spin Version 5.1.7 -- 23 December 2008)
-Warning: Search not completed
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness disabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 6479, errors: 1
-  5383072 states, stored
- 34108932 states, matched
- 39492004 transitions (= stored+matched)
-5.5430124e+08 atomic steps
-hash conflicts:  29860557 (resolved)
-
-Stats on memory usage (in Megabytes):
-  595.509	equivalent memory usage for states (stored*(State-vector + overhead))
-  460.005	actual memory usage for states (compression: 77.25%)
-         	state-vector as stored = 62 byte + 28 byte overhead
-   32.000	memory used for hash table (-w22)
-  457.764	memory used for DFS stack (-m10000000)
-  949.424	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 262, "pan.___", state 30, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 52, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 61, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 77, "(1)"
-	line 243, "pan.___", state 85, "(1)"
-	line 247, "pan.___", state 97, "(1)"
-	line 251, "pan.___", state 105, "(1)"
-	line 401, "pan.___", state 131, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 163, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 177, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 195, "(1)"
-	line 247, "pan.___", state 215, "(1)"
-	line 251, "pan.___", state 223, "(1)"
-	line 680, "pan.___", state 242, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 401, "pan.___", state 249, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 281, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 295, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 313, "(1)"
-	line 247, "pan.___", state 333, "(1)"
-	line 251, "pan.___", state 341, "(1)"
-	line 401, "pan.___", state 360, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 392, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 406, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 424, "(1)"
-	line 247, "pan.___", state 444, "(1)"
-	line 251, "pan.___", state 452, "(1)"
-	line 401, "pan.___", state 473, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 475, "(1)"
-	line 401, "pan.___", state 476, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 476, "else"
-	line 401, "pan.___", state 479, "(1)"
-	line 405, "pan.___", state 487, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 489, "(1)"
-	line 405, "pan.___", state 490, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 490, "else"
-	line 405, "pan.___", state 493, "(1)"
-	line 405, "pan.___", state 494, "(1)"
-	line 405, "pan.___", state 494, "(1)"
-	line 403, "pan.___", state 499, "((i<1))"
-	line 403, "pan.___", state 499, "((i>=1))"
-	line 410, "pan.___", state 505, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 507, "(1)"
-	line 410, "pan.___", state 508, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 410, "pan.___", state 508, "else"
-	line 410, "pan.___", state 511, "(1)"
-	line 410, "pan.___", state 512, "(1)"
-	line 410, "pan.___", state 512, "(1)"
-	line 414, "pan.___", state 519, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 521, "(1)"
-	line 414, "pan.___", state 522, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 414, "pan.___", state 522, "else"
-	line 414, "pan.___", state 525, "(1)"
-	line 414, "pan.___", state 526, "(1)"
-	line 414, "pan.___", state 526, "(1)"
-	line 412, "pan.___", state 531, "((i<2))"
-	line 412, "pan.___", state 531, "((i>=2))"
-	line 239, "pan.___", state 537, "(1)"
-	line 243, "pan.___", state 545, "(1)"
-	line 243, "pan.___", state 546, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 546, "else"
-	line 241, "pan.___", state 551, "((i<1))"
-	line 241, "pan.___", state 551, "((i>=1))"
-	line 247, "pan.___", state 557, "(1)"
-	line 247, "pan.___", state 558, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 558, "else"
-	line 251, "pan.___", state 565, "(1)"
-	line 251, "pan.___", state 566, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 566, "else"
-	line 249, "pan.___", state 571, "((i<2))"
-	line 249, "pan.___", state 571, "((i>=2))"
-	line 256, "pan.___", state 575, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 575, "else"
-	line 421, "pan.___", state 577, "(1)"
-	line 421, "pan.___", state 577, "(1)"
-	line 680, "pan.___", state 580, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 680, "pan.___", state 581, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 680, "pan.___", state 582, "(1)"
-	line 401, "pan.___", state 589, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 621, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 635, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 653, "(1)"
-	line 247, "pan.___", state 673, "(1)"
-	line 251, "pan.___", state 681, "(1)"
-	line 401, "pan.___", state 707, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 709, "(1)"
-	line 401, "pan.___", state 710, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 710, "else"
-	line 401, "pan.___", state 713, "(1)"
-	line 405, "pan.___", state 721, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 723, "(1)"
-	line 405, "pan.___", state 724, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 724, "else"
-	line 405, "pan.___", state 727, "(1)"
-	line 405, "pan.___", state 728, "(1)"
-	line 405, "pan.___", state 728, "(1)"
-	line 403, "pan.___", state 733, "((i<1))"
-	line 403, "pan.___", state 733, "((i>=1))"
-	line 410, "pan.___", state 739, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 741, "(1)"
-	line 410, "pan.___", state 742, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 410, "pan.___", state 742, "else"
-	line 410, "pan.___", state 745, "(1)"
-	line 410, "pan.___", state 746, "(1)"
-	line 410, "pan.___", state 746, "(1)"
-	line 414, "pan.___", state 753, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 755, "(1)"
-	line 414, "pan.___", state 756, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 414, "pan.___", state 756, "else"
-	line 414, "pan.___", state 759, "(1)"
-	line 414, "pan.___", state 760, "(1)"
-	line 414, "pan.___", state 760, "(1)"
-	line 412, "pan.___", state 765, "((i<2))"
-	line 412, "pan.___", state 765, "((i>=2))"
-	line 239, "pan.___", state 771, "(1)"
-	line 243, "pan.___", state 779, "(1)"
-	line 243, "pan.___", state 780, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 780, "else"
-	line 241, "pan.___", state 785, "((i<1))"
-	line 241, "pan.___", state 785, "((i>=1))"
-	line 247, "pan.___", state 791, "(1)"
-	line 247, "pan.___", state 792, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 792, "else"
-	line 251, "pan.___", state 799, "(1)"
-	line 251, "pan.___", state 800, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 800, "else"
-	line 256, "pan.___", state 809, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 809, "else"
-	line 421, "pan.___", state 811, "(1)"
-	line 421, "pan.___", state 811, "(1)"
-	line 401, "pan.___", state 818, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 820, "(1)"
-	line 401, "pan.___", state 821, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 821, "else"
-	line 401, "pan.___", state 824, "(1)"
-	line 405, "pan.___", state 832, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 834, "(1)"
-	line 405, "pan.___", state 835, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 835, "else"
-	line 405, "pan.___", state 838, "(1)"
-	line 405, "pan.___", state 839, "(1)"
-	line 405, "pan.___", state 839, "(1)"
-	line 403, "pan.___", state 844, "((i<1))"
-	line 403, "pan.___", state 844, "((i>=1))"
-	line 410, "pan.___", state 850, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 852, "(1)"
-	line 410, "pan.___", state 853, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 410, "pan.___", state 853, "else"
-	line 410, "pan.___", state 856, "(1)"
-	line 410, "pan.___", state 857, "(1)"
-	line 410, "pan.___", state 857, "(1)"
-	line 414, "pan.___", state 864, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 866, "(1)"
-	line 414, "pan.___", state 867, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 414, "pan.___", state 867, "else"
-	line 414, "pan.___", state 870, "(1)"
-	line 414, "pan.___", state 871, "(1)"
-	line 414, "pan.___", state 871, "(1)"
-	line 412, "pan.___", state 876, "((i<2))"
-	line 412, "pan.___", state 876, "((i>=2))"
-	line 239, "pan.___", state 882, "(1)"
-	line 243, "pan.___", state 890, "(1)"
-	line 243, "pan.___", state 891, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 891, "else"
-	line 241, "pan.___", state 896, "((i<1))"
-	line 241, "pan.___", state 896, "((i>=1))"
-	line 247, "pan.___", state 902, "(1)"
-	line 247, "pan.___", state 903, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 903, "else"
-	line 251, "pan.___", state 910, "(1)"
-	line 251, "pan.___", state 911, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 911, "else"
-	line 249, "pan.___", state 916, "((i<2))"
-	line 249, "pan.___", state 916, "((i>=2))"
-	line 256, "pan.___", state 920, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 920, "else"
-	line 421, "pan.___", state 922, "(1)"
-	line 421, "pan.___", state 922, "(1)"
-	line 688, "pan.___", state 926, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 401, "pan.___", state 931, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 963, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 977, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 995, "(1)"
-	line 247, "pan.___", state 1015, "(1)"
-	line 251, "pan.___", state 1023, "(1)"
-	line 401, "pan.___", state 1045, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1077, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1091, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1109, "(1)"
-	line 247, "pan.___", state 1129, "(1)"
-	line 251, "pan.___", state 1137, "(1)"
-	line 401, "pan.___", state 1160, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1192, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1206, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1224, "(1)"
-	line 247, "pan.___", state 1244, "(1)"
-	line 251, "pan.___", state 1252, "(1)"
-	line 401, "pan.___", state 1271, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1303, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1317, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1335, "(1)"
-	line 247, "pan.___", state 1355, "(1)"
-	line 251, "pan.___", state 1363, "(1)"
-	line 401, "pan.___", state 1387, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1419, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1433, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1451, "(1)"
-	line 247, "pan.___", state 1471, "(1)"
-	line 251, "pan.___", state 1479, "(1)"
-	line 401, "pan.___", state 1498, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1530, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1544, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1562, "(1)"
-	line 247, "pan.___", state 1582, "(1)"
-	line 251, "pan.___", state 1590, "(1)"
-	line 401, "pan.___", state 1612, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1644, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1658, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1676, "(1)"
-	line 247, "pan.___", state 1696, "(1)"
-	line 251, "pan.___", state 1704, "(1)"
-	line 727, "pan.___", state 1723, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 401, "pan.___", state 1730, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1762, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1776, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1794, "(1)"
-	line 247, "pan.___", state 1814, "(1)"
-	line 251, "pan.___", state 1822, "(1)"
-	line 401, "pan.___", state 1841, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1873, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1887, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1905, "(1)"
-	line 247, "pan.___", state 1925, "(1)"
-	line 251, "pan.___", state 1933, "(1)"
-	line 401, "pan.___", state 1954, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 1956, "(1)"
-	line 401, "pan.___", state 1957, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 1957, "else"
-	line 401, "pan.___", state 1960, "(1)"
-	line 405, "pan.___", state 1968, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 1970, "(1)"
-	line 405, "pan.___", state 1971, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 1971, "else"
-	line 405, "pan.___", state 1974, "(1)"
-	line 405, "pan.___", state 1975, "(1)"
-	line 405, "pan.___", state 1975, "(1)"
-	line 403, "pan.___", state 1980, "((i<1))"
-	line 403, "pan.___", state 1980, "((i>=1))"
-	line 410, "pan.___", state 1986, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1988, "(1)"
-	line 410, "pan.___", state 1989, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 410, "pan.___", state 1989, "else"
-	line 410, "pan.___", state 1992, "(1)"
-	line 410, "pan.___", state 1993, "(1)"
-	line 410, "pan.___", state 1993, "(1)"
-	line 414, "pan.___", state 2000, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 2002, "(1)"
-	line 414, "pan.___", state 2003, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 414, "pan.___", state 2003, "else"
-	line 414, "pan.___", state 2006, "(1)"
-	line 414, "pan.___", state 2007, "(1)"
-	line 414, "pan.___", state 2007, "(1)"
-	line 412, "pan.___", state 2012, "((i<2))"
-	line 412, "pan.___", state 2012, "((i>=2))"
-	line 239, "pan.___", state 2018, "(1)"
-	line 243, "pan.___", state 2026, "(1)"
-	line 243, "pan.___", state 2027, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 2027, "else"
-	line 241, "pan.___", state 2032, "((i<1))"
-	line 241, "pan.___", state 2032, "((i>=1))"
-	line 247, "pan.___", state 2038, "(1)"
-	line 247, "pan.___", state 2039, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 2039, "else"
-	line 251, "pan.___", state 2046, "(1)"
-	line 251, "pan.___", state 2047, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 2047, "else"
-	line 249, "pan.___", state 2052, "((i<2))"
-	line 249, "pan.___", state 2052, "((i>=2))"
-	line 256, "pan.___", state 2056, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 2056, "else"
-	line 421, "pan.___", state 2058, "(1)"
-	line 421, "pan.___", state 2058, "(1)"
-	line 727, "pan.___", state 2061, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 727, "pan.___", state 2062, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 727, "pan.___", state 2063, "(1)"
-	line 401, "pan.___", state 2070, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 2102, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 2116, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 2134, "(1)"
-	line 247, "pan.___", state 2154, "(1)"
-	line 251, "pan.___", state 2162, "(1)"
-	line 401, "pan.___", state 2187, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 2219, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 2233, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 2251, "(1)"
-	line 247, "pan.___", state 2271, "(1)"
-	line 251, "pan.___", state 2279, "(1)"
-	line 401, "pan.___", state 2298, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 2330, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 2344, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 2362, "(1)"
-	line 247, "pan.___", state 2382, "(1)"
-	line 251, "pan.___", state 2390, "(1)"
-	line 239, "pan.___", state 2421, "(1)"
-	line 247, "pan.___", state 2441, "(1)"
-	line 251, "pan.___", state 2449, "(1)"
-	line 239, "pan.___", state 2464, "(1)"
-	line 247, "pan.___", state 2484, "(1)"
-	line 251, "pan.___", state 2492, "(1)"
-	line 887, "pan.___", state 2509, "-end-"
-	(246 of 2509 states)
-unreached in proctype urcu_writer
-	line 401, "pan.___", state 22, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 36, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 54, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 86, "(1)"
-	line 243, "pan.___", state 94, "(1)"
-	line 247, "pan.___", state 106, "(1)"
-	line 262, "pan.___", state 135, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 144, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 157, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 197, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 211, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 229, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 243, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 261, "(1)"
-	line 243, "pan.___", state 269, "(1)"
-	line 247, "pan.___", state 281, "(1)"
-	line 251, "pan.___", state 289, "(1)"
-	line 405, "pan.___", state 324, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 342, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 356, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 243, "pan.___", state 382, "(1)"
-	line 247, "pan.___", state 394, "(1)"
-	line 251, "pan.___", state 402, "(1)"
-	line 401, "pan.___", state 429, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 431, "(1)"
-	line 401, "pan.___", state 432, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 432, "else"
-	line 401, "pan.___", state 435, "(1)"
-	line 405, "pan.___", state 443, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 445, "(1)"
-	line 405, "pan.___", state 446, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 446, "else"
-	line 405, "pan.___", state 449, "(1)"
-	line 405, "pan.___", state 450, "(1)"
-	line 405, "pan.___", state 450, "(1)"
-	line 403, "pan.___", state 455, "((i<1))"
-	line 403, "pan.___", state 455, "((i>=1))"
-	line 410, "pan.___", state 461, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 463, "(1)"
-	line 410, "pan.___", state 464, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 410, "pan.___", state 464, "else"
-	line 410, "pan.___", state 467, "(1)"
-	line 410, "pan.___", state 468, "(1)"
-	line 410, "pan.___", state 468, "(1)"
-	line 414, "pan.___", state 475, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 477, "(1)"
-	line 414, "pan.___", state 478, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 414, "pan.___", state 478, "else"
-	line 414, "pan.___", state 481, "(1)"
-	line 414, "pan.___", state 482, "(1)"
-	line 414, "pan.___", state 482, "(1)"
-	line 412, "pan.___", state 487, "((i<2))"
-	line 412, "pan.___", state 487, "((i>=2))"
-	line 239, "pan.___", state 493, "(1)"
-	line 243, "pan.___", state 501, "(1)"
-	line 243, "pan.___", state 502, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 502, "else"
-	line 241, "pan.___", state 507, "((i<1))"
-	line 241, "pan.___", state 507, "((i>=1))"
-	line 247, "pan.___", state 513, "(1)"
-	line 247, "pan.___", state 514, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 514, "else"
-	line 251, "pan.___", state 521, "(1)"
-	line 251, "pan.___", state 522, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 522, "else"
-	line 256, "pan.___", state 531, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 531, "else"
-	line 421, "pan.___", state 533, "(1)"
-	line 421, "pan.___", state 533, "(1)"
-	line 401, "pan.___", state 540, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 542, "(1)"
-	line 401, "pan.___", state 543, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 543, "else"
-	line 401, "pan.___", state 546, "(1)"
-	line 405, "pan.___", state 554, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 556, "(1)"
-	line 405, "pan.___", state 557, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 557, "else"
-	line 405, "pan.___", state 560, "(1)"
-	line 405, "pan.___", state 561, "(1)"
-	line 405, "pan.___", state 561, "(1)"
-	line 403, "pan.___", state 566, "((i<1))"
-	line 403, "pan.___", state 566, "((i>=1))"
-	line 410, "pan.___", state 572, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 574, "(1)"
-	line 410, "pan.___", state 575, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 410, "pan.___", state 575, "else"
-	line 410, "pan.___", state 578, "(1)"
-	line 410, "pan.___", state 579, "(1)"
-	line 410, "pan.___", state 579, "(1)"
-	line 414, "pan.___", state 586, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 588, "(1)"
-	line 414, "pan.___", state 589, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 414, "pan.___", state 589, "else"
-	line 414, "pan.___", state 592, "(1)"
-	line 414, "pan.___", state 593, "(1)"
-	line 414, "pan.___", state 593, "(1)"
-	line 412, "pan.___", state 598, "((i<2))"
-	line 412, "pan.___", state 598, "((i>=2))"
-	line 239, "pan.___", state 604, "(1)"
-	line 243, "pan.___", state 612, "(1)"
-	line 243, "pan.___", state 613, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 613, "else"
-	line 241, "pan.___", state 618, "((i<1))"
-	line 241, "pan.___", state 618, "((i>=1))"
-	line 247, "pan.___", state 624, "(1)"
-	line 247, "pan.___", state 625, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 625, "else"
-	line 251, "pan.___", state 632, "(1)"
-	line 251, "pan.___", state 633, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 633, "else"
-	line 249, "pan.___", state 638, "((i<2))"
-	line 249, "pan.___", state 638, "((i>=2))"
-	line 256, "pan.___", state 642, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 642, "else"
-	line 421, "pan.___", state 644, "(1)"
-	line 421, "pan.___", state 644, "(1)"
-	line 1095, "pan.___", state 648, "_proc_urcu_writer = (_proc_urcu_writer|(1<<10))"
-	line 401, "pan.___", state 653, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 655, "(1)"
-	line 401, "pan.___", state 656, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 656, "else"
-	line 401, "pan.___", state 659, "(1)"
-	line 405, "pan.___", state 667, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 669, "(1)"
-	line 405, "pan.___", state 670, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 670, "else"
-	line 405, "pan.___", state 673, "(1)"
-	line 405, "pan.___", state 674, "(1)"
-	line 405, "pan.___", state 674, "(1)"
-	line 403, "pan.___", state 679, "((i<1))"
-	line 403, "pan.___", state 679, "((i>=1))"
-	line 410, "pan.___", state 685, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 687, "(1)"
-	line 410, "pan.___", state 688, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 410, "pan.___", state 688, "else"
-	line 410, "pan.___", state 691, "(1)"
-	line 410, "pan.___", state 692, "(1)"
-	line 410, "pan.___", state 692, "(1)"
-	line 414, "pan.___", state 699, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 701, "(1)"
-	line 414, "pan.___", state 702, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 414, "pan.___", state 702, "else"
-	line 414, "pan.___", state 705, "(1)"
-	line 414, "pan.___", state 706, "(1)"
-	line 414, "pan.___", state 706, "(1)"
-	line 412, "pan.___", state 711, "((i<2))"
-	line 412, "pan.___", state 711, "((i>=2))"
-	line 239, "pan.___", state 717, "(1)"
-	line 243, "pan.___", state 725, "(1)"
-	line 243, "pan.___", state 726, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 726, "else"
-	line 241, "pan.___", state 731, "((i<1))"
-	line 241, "pan.___", state 731, "((i>=1))"
-	line 247, "pan.___", state 737, "(1)"
-	line 247, "pan.___", state 738, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 738, "else"
-	line 251, "pan.___", state 745, "(1)"
-	line 251, "pan.___", state 746, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 746, "else"
-	line 249, "pan.___", state 751, "((i<2))"
-	line 249, "pan.___", state 751, "((i>=2))"
-	line 256, "pan.___", state 755, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 755, "else"
-	line 421, "pan.___", state 757, "(1)"
-	line 421, "pan.___", state 757, "(1)"
-	line 1110, "pan.___", state 762, "_proc_urcu_writer = (_proc_urcu_writer|(1<<11))"
-	line 1105, "pan.___", state 763, "(((tmp2&((1<<7)-1))&&((tmp2^0)&(1<<7))))"
-	line 1105, "pan.___", state 763, "else"
-	line 1130, "pan.___", state 767, "_proc_urcu_writer = (_proc_urcu_writer&~(((1<<12)|(1<<11))))"
-	line 262, "pan.___", state 798, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 807, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 822, "(1)"
-	line 274, "pan.___", state 829, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 845, "(1)"
-	line 243, "pan.___", state 853, "(1)"
-	line 247, "pan.___", state 865, "(1)"
-	line 251, "pan.___", state 873, "(1)"
-	line 262, "pan.___", state 904, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 913, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 926, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 935, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 951, "(1)"
-	line 243, "pan.___", state 959, "(1)"
-	line 247, "pan.___", state 971, "(1)"
-	line 251, "pan.___", state 979, "(1)"
-	line 266, "pan.___", state 1005, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1018, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1027, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1043, "(1)"
-	line 243, "pan.___", state 1051, "(1)"
-	line 247, "pan.___", state 1063, "(1)"
-	line 251, "pan.___", state 1071, "(1)"
-	line 262, "pan.___", state 1102, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 1111, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1124, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1133, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1149, "(1)"
-	line 243, "pan.___", state 1157, "(1)"
-	line 247, "pan.___", state 1169, "(1)"
-	line 251, "pan.___", state 1177, "(1)"
-	line 262, "pan.___", state 1194, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1196, "(1)"
-	line 266, "pan.___", state 1203, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 1205, "(1)"
-	line 266, "pan.___", state 1206, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 266, "pan.___", state 1206, "else"
-	line 264, "pan.___", state 1211, "((i<1))"
-	line 264, "pan.___", state 1211, "((i>=1))"
-	line 270, "pan.___", state 1216, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1218, "(1)"
-	line 270, "pan.___", state 1219, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 270, "pan.___", state 1219, "else"
-	line 274, "pan.___", state 1225, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1227, "(1)"
-	line 274, "pan.___", state 1228, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 274, "pan.___", state 1228, "else"
-	line 272, "pan.___", state 1233, "((i<2))"
-	line 272, "pan.___", state 1233, "((i>=2))"
-	line 239, "pan.___", state 1241, "(1)"
-	line 243, "pan.___", state 1249, "(1)"
-	line 243, "pan.___", state 1250, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 1250, "else"
-	line 241, "pan.___", state 1255, "((i<1))"
-	line 241, "pan.___", state 1255, "((i>=1))"
-	line 247, "pan.___", state 1261, "(1)"
-	line 247, "pan.___", state 1262, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 1262, "else"
-	line 251, "pan.___", state 1269, "(1)"
-	line 251, "pan.___", state 1270, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 1270, "else"
-	line 256, "pan.___", state 1279, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 1279, "else"
-	line 1206, "pan.___", state 1282, "i = 0"
-	line 1206, "pan.___", state 1284, "reader_barrier = 1"
-	line 1206, "pan.___", state 1295, "((i<1))"
-	line 1206, "pan.___", state 1295, "((i>=1))"
-	line 262, "pan.___", state 1300, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1302, "(1)"
-	line 266, "pan.___", state 1309, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 1311, "(1)"
-	line 266, "pan.___", state 1312, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 266, "pan.___", state 1312, "else"
-	line 264, "pan.___", state 1317, "((i<1))"
-	line 264, "pan.___", state 1317, "((i>=1))"
-	line 270, "pan.___", state 1322, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1324, "(1)"
-	line 270, "pan.___", state 1325, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 270, "pan.___", state 1325, "else"
-	line 274, "pan.___", state 1331, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1333, "(1)"
-	line 274, "pan.___", state 1334, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 274, "pan.___", state 1334, "else"
-	line 272, "pan.___", state 1339, "((i<2))"
-	line 272, "pan.___", state 1339, "((i>=2))"
-	line 239, "pan.___", state 1347, "(1)"
-	line 243, "pan.___", state 1355, "(1)"
-	line 243, "pan.___", state 1356, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 1356, "else"
-	line 241, "pan.___", state 1361, "((i<1))"
-	line 241, "pan.___", state 1361, "((i>=1))"
-	line 247, "pan.___", state 1367, "(1)"
-	line 247, "pan.___", state 1368, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 1368, "else"
-	line 251, "pan.___", state 1375, "(1)"
-	line 251, "pan.___", state 1376, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 1376, "else"
-	line 256, "pan.___", state 1385, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 1385, "else"
-	line 289, "pan.___", state 1387, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 289, "pan.___", state 1387, "else"
-	line 1206, "pan.___", state 1388, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 1206, "pan.___", state 1388, "else"
-	line 266, "pan.___", state 1401, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1414, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1423, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1439, "(1)"
-	line 243, "pan.___", state 1447, "(1)"
-	line 247, "pan.___", state 1459, "(1)"
-	line 251, "pan.___", state 1467, "(1)"
-	line 262, "pan.___", state 1498, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 1507, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1520, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1529, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1545, "(1)"
-	line 243, "pan.___", state 1553, "(1)"
-	line 247, "pan.___", state 1565, "(1)"
-	line 251, "pan.___", state 1573, "(1)"
-	line 1214, "pan.___", state 1589, "-end-"
-	(218 of 1589 states)
-unreached in proctype :init:
-	line 1225, "pan.___", state 9, "((j<2))"
-	line 1225, "pan.___", state 9, "((j>=2))"
-	line 1226, "pan.___", state 20, "((j<2))"
-	line 1226, "pan.___", state 20, "((j>=2))"
-	line 1231, "pan.___", state 33, "((j<2))"
-	line 1231, "pan.___", state 33, "((j>=2))"
-	line 1229, "pan.___", state 43, "((i<1))"
-	line 1229, "pan.___", state 43, "((i>=1))"
-	line 1239, "pan.___", state 54, "((j<2))"
-	line 1239, "pan.___", state 54, "((j>=2))"
-	line 1243, "pan.___", state 67, "((j<2))"
-	line 1243, "pan.___", state 67, "((j>=2))"
-	(6 of 78 states)
-unreached in proctype :never:
-	line 1277, "pan.___", state 8, "-end-"
-	(1 of 8 states)
-
-pan: elapsed time 102 seconds
-pan: rate 52558.797 states/second
-pan: avg transition delay 2.5934e-06 usec
-cp .input.spin urcu_free_single_flip.spin.input
-cp .input.spin.trail urcu_free_single_flip.spin.input.trail
-make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_single_flip.spin.input b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_single_flip.spin.input
deleted file mode 100644
index 240a2fd..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_single_flip.spin.input
+++ /dev/null
@@ -1,1250 +0,0 @@
-#define SINGLE_FLIP
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-
-//#define ARCH_ALPHA
-#define ARCH_INTEL
-//#define ARCH_POWERPC
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Only Alpha has out-of-order cache bank loads. Other architectures (intel,
- * powerpc, arm) ensure that dependent reads won't be reordered. c.f.
- * http://www.linuxjournal.com/article/8212)
-#ifdef ARCH_ALPHA
-#define HAVE_OOO_CACHE_READ
-#endif
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i)
-{
-	atomic {
-		smp_wmb(i);
-		smp_rmb(i);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i)
-#define smp_mb_reader	smp_mb(i)
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-#ifdef HAVE_OOO_CACHE_READ
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-#else
-		smp_rmb(i);
-#endif /* HAVE_OOO_CACHE_READ */
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_single_flip.spin.input.trail b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_single_flip.spin.input.trail
deleted file mode 100644
index f8289ee..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_free_single_flip.spin.input.trail
+++ /dev/null
@@ -1,1257 +0,0 @@
--2:3:-2
--4:-4:-4
-1:0:4178
-2:3:4098
-3:3:4101
-4:3:4101
-5:3:4104
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-1144:2:2554
-1145:2:2559
-1146:2:2563
-1147:2:2564
-1148:2:2572
-1149:2:2573
-1150:2:2577
-1151:2:2578
-1152:2:2572
-1153:2:2573
-1154:2:2574
-1155:2:2586
-1156:2:2591
-1157:2:2598
-1158:2:2599
-1159:2:2606
-1160:2:2611
-1161:2:2618
-1162:2:2619
-1163:2:2618
-1164:2:2619
-1165:2:2626
-1166:2:2636
-1167:0:4178
-1168:2:2525
-1169:0:4178
-1170:1:118
-1171:0:4178
-1172:1:120
-1173:0:4178
-1174:1:19
-1175:0:4178
-1176:1:1151
-1177:0:4178
-1178:1:2417
-1179:1:2424
-1180:1:2425
-1181:1:2432
-1182:1:2437
-1183:1:2444
-1184:1:2445
-1185:1:2444
-1186:1:2445
-1187:1:2452
-1188:1:2456
-1189:0:4178
-1190:2:2640
-1191:2:2644
-1192:2:2645
-1193:2:2649
-1194:2:2653
-1195:2:2654
-1196:2:2658
-1197:2:2666
-1198:2:2667
-1199:2:2671
-1200:2:2675
-1201:2:2676
-1202:2:2671
-1203:2:2672
-1204:2:2680
-1205:0:4178
-1206:2:2525
-1207:0:4178
-1208:2:2688
-1209:2:2689
-1210:2:2690
-1211:0:4178
-1212:2:2525
-1213:0:4178
-1214:2:2695
-1215:0:4178
-1216:2:3307
-1217:2:3308
-1218:2:3312
-1219:2:3316
-1220:2:3317
-1221:2:3321
-1222:2:3326
-1223:2:3334
-1224:2:3338
-1225:2:3339
-1226:2:3334
-1227:2:3338
-1228:2:3339
-1229:2:3343
-1230:2:3350
-1231:2:3357
-1232:2:3358
-1233:2:3365
-1234:2:3370
-1235:2:3377
-1236:2:3378
-1237:2:3377
-1238:2:3378
-1239:2:3385
-1240:2:3389
-1241:0:4178
-1242:2:3394
-1243:0:4178
-1244:2:3395
-1245:0:4178
-1246:2:3396
-1247:0:4178
-1248:2:3397
-1249:0:4178
-1250:1:1153
-1251:1:1154
-1252:0:4176
-1253:2:3398
-1254:0:4182
-1255:1:2145
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress.ltl b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress.ltl
deleted file mode 100644
index 8718641..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress.ltl
+++ /dev/null
@@ -1 +0,0 @@
-([] <> !np_)
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_reader.define b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_reader.define
deleted file mode 100644
index ff3f783..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_reader.define
+++ /dev/null
@@ -1 +0,0 @@
-#define READER_PROGRESS
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_reader.log b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_reader.log
deleted file mode 100644
index 9fd20b0..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_reader.log
+++ /dev/null
@@ -1,535 +0,0 @@
-make[1]: Entering directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define > pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_progress.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_progress_reader.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -f -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1272)
-depth 23: Claim reached state 9 (line 1277)
-depth 132: Claim reached state 9 (line 1276)
-Depth=   29926 States=    1e+06 Transitions= 7.64e+06 Memory=   520.256	t=   19.9 R=   5e+04
-Depth=   33506 States=    2e+06 Transitions= 1.57e+07 Memory=   571.818	t=   41.2 R=   5e+04
-Depth=   33506 States=    3e+06 Transitions= 2.45e+07 Memory=   624.943	t=   65.4 R=   5e+04
-pan: resizing hashtable to -w22..  done
-Depth=   33506 States=    4e+06 Transitions= 3.46e+07 Memory=   709.873	t=   93.2 R=   4e+04
-Depth=   33506 States=    5e+06 Transitions= 4.22e+07 Memory=   764.756	t=    113 R=   4e+04
-Depth=   33506 States=    6e+06 Transitions= 6.02e+07 Memory=   815.830	t=    165 R=   4e+04
-Depth=   33506 States=    7e+06 Transitions= 7.41e+07 Memory=   867.002	t=    205 R=   3e+04
-Depth=   33506 States=    8e+06 Transitions= 9.02e+07 Memory=   917.197	t=    251 R=   3e+04
-Depth=   33506 States=    9e+06 Transitions= 1.01e+08 Memory=   967.881	t=    283 R=   3e+04
-pan: resizing hashtable to -w24..  done
-Depth=   33506 States=    1e+07 Transitions= 1.17e+08 Memory=  1146.467	t=    327 R=   3e+04
-Depth=   33506 States=  1.1e+07 Transitions= 1.53e+08 Memory=  1201.154	t=    438 R=   3e+04
-Depth=   33506 States=  1.2e+07 Transitions= 1.72e+08 Memory=  1252.717	t=    492 R=   2e+04
-Depth=   33506 States=  1.3e+07 Transitions= 1.84e+08 Memory=  1303.401	t=    525 R=   2e+04
-Depth=   33506 States=  1.4e+07 Transitions= 2.05e+08 Memory=  1354.377	t=    586 R=   2e+04
-Depth=   33506 States=  1.5e+07 Transitions= 2.19e+08 Memory=  1404.572	t=    627 R=   2e+04
-Depth=   33506 States=  1.6e+07 Transitions= 2.33e+08 Memory=  1455.451	t=    666 R=   2e+04
-Depth=   33506 States=  1.7e+07 Transitions= 2.45e+08 Memory=  1506.428	t=    700 R=   2e+04
-Depth=   33506 States=  1.8e+07 Transitions= 2.57e+08 Memory=  1557.502	t=    733 R=   2e+04
-Depth=   33506 States=  1.9e+07 Transitions= 2.74e+08 Memory=  1607.697	t=    784 R=   2e+04
-Depth=   33506 States=    2e+07 Transitions= 2.86e+08 Memory=  1659.358	t=    818 R=   2e+04
-Depth=   33506 States=  2.1e+07 Transitions= 2.98e+08 Memory=  1710.920	t=    850 R=   2e+04
-Depth=   33506 States=  2.2e+07 Transitions=  3.1e+08 Memory=  1763.166	t=    883 R=   2e+04
-Depth=   33506 States=  2.3e+07 Transitions= 3.25e+08 Memory=  1814.143	t=    926 R=   2e+04
-Depth=   33506 States=  2.4e+07 Transitions= 3.44e+08 Memory=  1864.631	t=    983 R=   2e+04
-Depth=   33506 States=  2.5e+07 Transitions= 3.62e+08 Memory=  1913.264	t= 1.03e+03 R=   2e+04
-Depth=   33506 States=  2.6e+07 Transitions= 3.75e+08 Memory=  1964.045	t= 1.07e+03 R=   2e+04
-Depth=   33506 States=  2.7e+07 Transitions= 3.86e+08 Memory=  2016.291	t= 1.1e+03 R=   2e+04
-Depth=   33506 States=  2.8e+07 Transitions= 4.23e+08 Memory=  2074.592	t= 1.21e+03 R=   2e+04
-Depth=   33506 States=  2.9e+07 Transitions= 4.42e+08 Memory=  2123.225	t= 1.27e+03 R=   2e+04
-Depth=   33506 States=    3e+07 Transitions= 4.58e+08 Memory=  2173.029	t= 1.32e+03 R=   2e+04
-Depth=   33506 States=  3.1e+07 Transitions= 4.74e+08 Memory=  2224.397	t= 1.36e+03 R=   2e+04
-Depth=   33506 States=  3.2e+07 Transitions= 4.94e+08 Memory=  2276.252	t= 1.42e+03 R=   2e+04
-Depth=   33506 States=  3.3e+07 Transitions= 5.06e+08 Memory=  2325.276	t= 1.46e+03 R=   2e+04
-Depth=   33506 States=  3.4e+07 Transitions= 5.18e+08 Memory=  2376.838	t= 1.49e+03 R=   2e+04
-pan: resizing hashtable to -w26..  done
-Depth=   33506 States=  3.5e+07 Transitions= 5.31e+08 Memory=  2923.408	t= 1.53e+03 R=   2e+04
-Depth=   33506 States=  3.6e+07 Transitions= 5.46e+08 Memory=  2976.143	t= 1.58e+03 R=   2e+04
-Depth=   33506 States=  3.7e+07 Transitions= 5.58e+08 Memory=  3026.338	t= 1.61e+03 R=   2e+04
-Depth=   33506 States=  3.8e+07 Transitions=  5.7e+08 Memory=  3079.170	t= 1.64e+03 R=   2e+04
-Depth=   33506 States=  3.9e+07 Transitions= 5.81e+08 Memory=  3130.537	t= 1.67e+03 R=   2e+04
-Depth=   33506 States=    4e+07 Transitions=    6e+08 Memory=  3181.318	t= 1.73e+03 R=   2e+04
-Depth=   33506 States=  4.1e+07 Transitions= 6.17e+08 Memory=  3231.611	t= 1.78e+03 R=   2e+04
-Depth=   33506 States=  4.2e+07 Transitions= 6.34e+08 Memory=  3280.244	t= 1.83e+03 R=   2e+04
-Depth=   33506 States=  4.3e+07 Transitions= 6.52e+08 Memory=  3329.268	t= 1.88e+03 R=   2e+04
-
-(Spin Version 5.1.7 -- 23 December 2008)
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness enabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 33506, errors: 0
- 26582171 states, stored (4.34241e+07 visited)
-6.159304e+08 states, matched
-6.5935446e+08 transitions (= visited+matched)
-1.0143566e+10 atomic steps
-hash conflicts: 2.9064765e+08 (resolved)
-
-Stats on memory usage (in Megabytes):
- 2940.685	equivalent memory usage for states (stored*(State-vector + overhead))
- 2381.281	actual memory usage for states (compression: 80.98%)
-         	state-vector as stored = 66 byte + 28 byte overhead
-  512.000	memory used for hash table (-w26)
-  457.764	memory used for DFS stack (-m10000000)
-    1.367	memory lost to fragmentation
- 3349.678	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 262, "pan.___", state 30, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 52, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 61, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 77, "(1)"
-	line 243, "pan.___", state 85, "(1)"
-	line 247, "pan.___", state 97, "(1)"
-	line 251, "pan.___", state 105, "(1)"
-	line 401, "pan.___", state 131, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 163, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 177, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 195, "(1)"
-	line 247, "pan.___", state 215, "(1)"
-	line 251, "pan.___", state 223, "(1)"
-	line 680, "pan.___", state 242, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 401, "pan.___", state 249, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 281, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 295, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 313, "(1)"
-	line 247, "pan.___", state 333, "(1)"
-	line 251, "pan.___", state 341, "(1)"
-	line 401, "pan.___", state 360, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 392, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 406, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 424, "(1)"
-	line 247, "pan.___", state 444, "(1)"
-	line 251, "pan.___", state 452, "(1)"
-	line 401, "pan.___", state 473, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 475, "(1)"
-	line 401, "pan.___", state 476, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 476, "else"
-	line 401, "pan.___", state 479, "(1)"
-	line 405, "pan.___", state 487, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 489, "(1)"
-	line 405, "pan.___", state 490, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 490, "else"
-	line 405, "pan.___", state 493, "(1)"
-	line 405, "pan.___", state 494, "(1)"
-	line 405, "pan.___", state 494, "(1)"
-	line 403, "pan.___", state 499, "((i<1))"
-	line 403, "pan.___", state 499, "((i>=1))"
-	line 410, "pan.___", state 505, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 507, "(1)"
-	line 410, "pan.___", state 508, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 410, "pan.___", state 508, "else"
-	line 410, "pan.___", state 511, "(1)"
-	line 410, "pan.___", state 512, "(1)"
-	line 410, "pan.___", state 512, "(1)"
-	line 414, "pan.___", state 519, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 521, "(1)"
-	line 414, "pan.___", state 522, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 414, "pan.___", state 522, "else"
-	line 414, "pan.___", state 525, "(1)"
-	line 414, "pan.___", state 526, "(1)"
-	line 414, "pan.___", state 526, "(1)"
-	line 412, "pan.___", state 531, "((i<2))"
-	line 412, "pan.___", state 531, "((i>=2))"
-	line 239, "pan.___", state 537, "(1)"
-	line 243, "pan.___", state 545, "(1)"
-	line 243, "pan.___", state 546, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 546, "else"
-	line 241, "pan.___", state 551, "((i<1))"
-	line 241, "pan.___", state 551, "((i>=1))"
-	line 247, "pan.___", state 557, "(1)"
-	line 247, "pan.___", state 558, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 558, "else"
-	line 251, "pan.___", state 565, "(1)"
-	line 251, "pan.___", state 566, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 566, "else"
-	line 249, "pan.___", state 571, "((i<2))"
-	line 249, "pan.___", state 571, "((i>=2))"
-	line 256, "pan.___", state 575, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 575, "else"
-	line 421, "pan.___", state 577, "(1)"
-	line 421, "pan.___", state 577, "(1)"
-	line 680, "pan.___", state 580, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 680, "pan.___", state 581, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 680, "pan.___", state 582, "(1)"
-	line 401, "pan.___", state 589, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 621, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 635, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 653, "(1)"
-	line 247, "pan.___", state 673, "(1)"
-	line 251, "pan.___", state 681, "(1)"
-	line 401, "pan.___", state 707, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 709, "(1)"
-	line 401, "pan.___", state 710, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 710, "else"
-	line 401, "pan.___", state 713, "(1)"
-	line 405, "pan.___", state 721, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 723, "(1)"
-	line 405, "pan.___", state 724, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 724, "else"
-	line 405, "pan.___", state 727, "(1)"
-	line 405, "pan.___", state 728, "(1)"
-	line 405, "pan.___", state 728, "(1)"
-	line 403, "pan.___", state 733, "((i<1))"
-	line 403, "pan.___", state 733, "((i>=1))"
-	line 410, "pan.___", state 739, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 741, "(1)"
-	line 410, "pan.___", state 742, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 410, "pan.___", state 742, "else"
-	line 410, "pan.___", state 745, "(1)"
-	line 410, "pan.___", state 746, "(1)"
-	line 410, "pan.___", state 746, "(1)"
-	line 414, "pan.___", state 753, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 755, "(1)"
-	line 414, "pan.___", state 756, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 414, "pan.___", state 756, "else"
-	line 414, "pan.___", state 759, "(1)"
-	line 414, "pan.___", state 760, "(1)"
-	line 414, "pan.___", state 760, "(1)"
-	line 412, "pan.___", state 765, "((i<2))"
-	line 412, "pan.___", state 765, "((i>=2))"
-	line 239, "pan.___", state 771, "(1)"
-	line 243, "pan.___", state 779, "(1)"
-	line 243, "pan.___", state 780, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 780, "else"
-	line 241, "pan.___", state 785, "((i<1))"
-	line 241, "pan.___", state 785, "((i>=1))"
-	line 247, "pan.___", state 791, "(1)"
-	line 247, "pan.___", state 792, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 792, "else"
-	line 251, "pan.___", state 799, "(1)"
-	line 251, "pan.___", state 800, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 800, "else"
-	line 256, "pan.___", state 809, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 809, "else"
-	line 421, "pan.___", state 811, "(1)"
-	line 421, "pan.___", state 811, "(1)"
-	line 401, "pan.___", state 818, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 820, "(1)"
-	line 401, "pan.___", state 821, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 821, "else"
-	line 401, "pan.___", state 824, "(1)"
-	line 405, "pan.___", state 832, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 834, "(1)"
-	line 405, "pan.___", state 835, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 835, "else"
-	line 405, "pan.___", state 838, "(1)"
-	line 405, "pan.___", state 839, "(1)"
-	line 405, "pan.___", state 839, "(1)"
-	line 403, "pan.___", state 844, "((i<1))"
-	line 403, "pan.___", state 844, "((i>=1))"
-	line 410, "pan.___", state 850, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 852, "(1)"
-	line 410, "pan.___", state 853, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 410, "pan.___", state 853, "else"
-	line 410, "pan.___", state 856, "(1)"
-	line 410, "pan.___", state 857, "(1)"
-	line 410, "pan.___", state 857, "(1)"
-	line 414, "pan.___", state 864, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 866, "(1)"
-	line 414, "pan.___", state 867, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 414, "pan.___", state 867, "else"
-	line 414, "pan.___", state 870, "(1)"
-	line 414, "pan.___", state 871, "(1)"
-	line 414, "pan.___", state 871, "(1)"
-	line 412, "pan.___", state 876, "((i<2))"
-	line 412, "pan.___", state 876, "((i>=2))"
-	line 239, "pan.___", state 882, "(1)"
-	line 243, "pan.___", state 890, "(1)"
-	line 243, "pan.___", state 891, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 891, "else"
-	line 241, "pan.___", state 896, "((i<1))"
-	line 241, "pan.___", state 896, "((i>=1))"
-	line 247, "pan.___", state 902, "(1)"
-	line 247, "pan.___", state 903, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 903, "else"
-	line 251, "pan.___", state 910, "(1)"
-	line 251, "pan.___", state 911, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 911, "else"
-	line 249, "pan.___", state 916, "((i<2))"
-	line 249, "pan.___", state 916, "((i>=2))"
-	line 256, "pan.___", state 920, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 920, "else"
-	line 421, "pan.___", state 922, "(1)"
-	line 421, "pan.___", state 922, "(1)"
-	line 688, "pan.___", state 926, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 401, "pan.___", state 931, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 963, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 977, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 995, "(1)"
-	line 247, "pan.___", state 1015, "(1)"
-	line 251, "pan.___", state 1023, "(1)"
-	line 401, "pan.___", state 1045, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1077, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1091, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1109, "(1)"
-	line 247, "pan.___", state 1129, "(1)"
-	line 251, "pan.___", state 1137, "(1)"
-	line 401, "pan.___", state 1160, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1192, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1206, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1224, "(1)"
-	line 247, "pan.___", state 1244, "(1)"
-	line 251, "pan.___", state 1252, "(1)"
-	line 401, "pan.___", state 1271, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1303, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1317, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1335, "(1)"
-	line 247, "pan.___", state 1355, "(1)"
-	line 251, "pan.___", state 1363, "(1)"
-	line 401, "pan.___", state 1387, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1419, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1433, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1451, "(1)"
-	line 247, "pan.___", state 1471, "(1)"
-	line 251, "pan.___", state 1479, "(1)"
-	line 401, "pan.___", state 1498, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1530, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1544, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1562, "(1)"
-	line 247, "pan.___", state 1582, "(1)"
-	line 251, "pan.___", state 1590, "(1)"
-	line 401, "pan.___", state 1612, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1644, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1658, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1676, "(1)"
-	line 247, "pan.___", state 1696, "(1)"
-	line 251, "pan.___", state 1704, "(1)"
-	line 727, "pan.___", state 1723, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 401, "pan.___", state 1730, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1762, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1776, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1794, "(1)"
-	line 247, "pan.___", state 1814, "(1)"
-	line 251, "pan.___", state 1822, "(1)"
-	line 401, "pan.___", state 1841, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1873, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1887, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1905, "(1)"
-	line 247, "pan.___", state 1925, "(1)"
-	line 251, "pan.___", state 1933, "(1)"
-	line 401, "pan.___", state 1954, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 1956, "(1)"
-	line 401, "pan.___", state 1957, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 1957, "else"
-	line 401, "pan.___", state 1960, "(1)"
-	line 405, "pan.___", state 1968, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 1970, "(1)"
-	line 405, "pan.___", state 1971, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 1971, "else"
-	line 405, "pan.___", state 1974, "(1)"
-	line 405, "pan.___", state 1975, "(1)"
-	line 405, "pan.___", state 1975, "(1)"
-	line 403, "pan.___", state 1980, "((i<1))"
-	line 403, "pan.___", state 1980, "((i>=1))"
-	line 410, "pan.___", state 1986, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1988, "(1)"
-	line 410, "pan.___", state 1989, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 410, "pan.___", state 1989, "else"
-	line 410, "pan.___", state 1992, "(1)"
-	line 410, "pan.___", state 1993, "(1)"
-	line 410, "pan.___", state 1993, "(1)"
-	line 414, "pan.___", state 2000, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 2002, "(1)"
-	line 414, "pan.___", state 2003, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 414, "pan.___", state 2003, "else"
-	line 414, "pan.___", state 2006, "(1)"
-	line 414, "pan.___", state 2007, "(1)"
-	line 414, "pan.___", state 2007, "(1)"
-	line 412, "pan.___", state 2012, "((i<2))"
-	line 412, "pan.___", state 2012, "((i>=2))"
-	line 239, "pan.___", state 2018, "(1)"
-	line 243, "pan.___", state 2026, "(1)"
-	line 243, "pan.___", state 2027, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 2027, "else"
-	line 241, "pan.___", state 2032, "((i<1))"
-	line 241, "pan.___", state 2032, "((i>=1))"
-	line 247, "pan.___", state 2038, "(1)"
-	line 247, "pan.___", state 2039, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 2039, "else"
-	line 251, "pan.___", state 2046, "(1)"
-	line 251, "pan.___", state 2047, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 2047, "else"
-	line 249, "pan.___", state 2052, "((i<2))"
-	line 249, "pan.___", state 2052, "((i>=2))"
-	line 256, "pan.___", state 2056, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 2056, "else"
-	line 421, "pan.___", state 2058, "(1)"
-	line 421, "pan.___", state 2058, "(1)"
-	line 727, "pan.___", state 2061, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 727, "pan.___", state 2062, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 727, "pan.___", state 2063, "(1)"
-	line 401, "pan.___", state 2070, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 2102, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 2116, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 2134, "(1)"
-	line 247, "pan.___", state 2154, "(1)"
-	line 251, "pan.___", state 2162, "(1)"
-	line 401, "pan.___", state 2187, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 2219, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 2233, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 2251, "(1)"
-	line 247, "pan.___", state 2271, "(1)"
-	line 251, "pan.___", state 2279, "(1)"
-	line 401, "pan.___", state 2298, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 2330, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 2344, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 2362, "(1)"
-	line 247, "pan.___", state 2382, "(1)"
-	line 251, "pan.___", state 2390, "(1)"
-	line 239, "pan.___", state 2421, "(1)"
-	line 247, "pan.___", state 2441, "(1)"
-	line 251, "pan.___", state 2449, "(1)"
-	line 239, "pan.___", state 2464, "(1)"
-	line 247, "pan.___", state 2484, "(1)"
-	line 251, "pan.___", state 2492, "(1)"
-	line 887, "pan.___", state 2509, "-end-"
-	(246 of 2509 states)
-unreached in proctype urcu_writer
-	line 401, "pan.___", state 18, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 32, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 50, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 82, "(1)"
-	line 243, "pan.___", state 90, "(1)"
-	line 247, "pan.___", state 102, "(1)"
-	line 262, "pan.___", state 131, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 140, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 153, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 193, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 207, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 225, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 239, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 257, "(1)"
-	line 243, "pan.___", state 265, "(1)"
-	line 247, "pan.___", state 277, "(1)"
-	line 251, "pan.___", state 285, "(1)"
-	line 405, "pan.___", state 320, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 338, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 352, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 243, "pan.___", state 378, "(1)"
-	line 247, "pan.___", state 390, "(1)"
-	line 251, "pan.___", state 398, "(1)"
-	line 405, "pan.___", state 440, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 458, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 472, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 243, "pan.___", state 498, "(1)"
-	line 247, "pan.___", state 510, "(1)"
-	line 251, "pan.___", state 518, "(1)"
-	line 405, "pan.___", state 551, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 569, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 583, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 243, "pan.___", state 609, "(1)"
-	line 247, "pan.___", state 621, "(1)"
-	line 251, "pan.___", state 629, "(1)"
-	line 405, "pan.___", state 664, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 682, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 696, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 243, "pan.___", state 722, "(1)"
-	line 247, "pan.___", state 734, "(1)"
-	line 251, "pan.___", state 742, "(1)"
-	line 262, "pan.___", state 790, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 799, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 812, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 837, "(1)"
-	line 243, "pan.___", state 845, "(1)"
-	line 247, "pan.___", state 857, "(1)"
-	line 251, "pan.___", state 865, "(1)"
-	line 262, "pan.___", state 896, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 905, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 918, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 927, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 943, "(1)"
-	line 243, "pan.___", state 951, "(1)"
-	line 247, "pan.___", state 963, "(1)"
-	line 251, "pan.___", state 971, "(1)"
-	line 262, "pan.___", state 992, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 1001, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1016, "(1)"
-	line 274, "pan.___", state 1023, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1039, "(1)"
-	line 243, "pan.___", state 1047, "(1)"
-	line 247, "pan.___", state 1059, "(1)"
-	line 251, "pan.___", state 1067, "(1)"
-	line 262, "pan.___", state 1098, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 1107, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1120, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1129, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1145, "(1)"
-	line 243, "pan.___", state 1153, "(1)"
-	line 247, "pan.___", state 1165, "(1)"
-	line 251, "pan.___", state 1173, "(1)"
-	line 266, "pan.___", state 1199, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1212, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1221, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1237, "(1)"
-	line 243, "pan.___", state 1245, "(1)"
-	line 247, "pan.___", state 1257, "(1)"
-	line 251, "pan.___", state 1265, "(1)"
-	line 262, "pan.___", state 1296, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 1305, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1318, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1327, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1343, "(1)"
-	line 243, "pan.___", state 1351, "(1)"
-	line 247, "pan.___", state 1363, "(1)"
-	line 251, "pan.___", state 1371, "(1)"
-	line 266, "pan.___", state 1397, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1410, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1419, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1435, "(1)"
-	line 243, "pan.___", state 1443, "(1)"
-	line 247, "pan.___", state 1455, "(1)"
-	line 251, "pan.___", state 1463, "(1)"
-	line 262, "pan.___", state 1494, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 1503, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1516, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1525, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1541, "(1)"
-	line 243, "pan.___", state 1549, "(1)"
-	line 247, "pan.___", state 1561, "(1)"
-	line 251, "pan.___", state 1569, "(1)"
-	line 266, "pan.___", state 1595, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1608, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1617, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1633, "(1)"
-	line 243, "pan.___", state 1641, "(1)"
-	line 247, "pan.___", state 1653, "(1)"
-	line 251, "pan.___", state 1661, "(1)"
-	line 262, "pan.___", state 1692, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 1701, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1714, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1723, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1739, "(1)"
-	line 243, "pan.___", state 1747, "(1)"
-	line 247, "pan.___", state 1759, "(1)"
-	line 251, "pan.___", state 1767, "(1)"
-	line 1214, "pan.___", state 1783, "-end-"
-	(118 of 1783 states)
-unreached in proctype :init:
-	(0 of 78 states)
-unreached in proctype :never:
-	line 1279, "pan.___", state 11, "-end-"
-	(1 of 11 states)
-
-pan: elapsed time 1.9e+03 seconds
-pan: rate 22877.047 states/second
-pan: avg transition delay 2.8788e-06 usec
-cp .input.spin urcu_progress_reader.spin.input
-cp .input.spin.trail urcu_progress_reader.spin.input.trail
-make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_reader.spin.input b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_reader.spin.input
deleted file mode 100644
index 34cee26..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_reader.spin.input
+++ /dev/null
@@ -1,1250 +0,0 @@
-#define READER_PROGRESS
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-
-//#define ARCH_ALPHA
-#define ARCH_INTEL
-//#define ARCH_POWERPC
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Only Alpha has out-of-order cache bank loads. Other architectures (intel,
- * powerpc, arm) ensure that dependent reads won't be reordered. c.f.
- * http://www.linuxjournal.com/article/8212)
-#ifdef ARCH_ALPHA
-#define HAVE_OOO_CACHE_READ
-#endif
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i)
-{
-	atomic {
-		smp_wmb(i);
-		smp_rmb(i);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i)
-#define smp_mb_reader	smp_mb(i)
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-#ifdef HAVE_OOO_CACHE_READ
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-#else
-		smp_rmb(i);
-#endif /* HAVE_OOO_CACHE_READ */
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_writer.define b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_writer.define
deleted file mode 100644
index 1e4417f..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_writer.define
+++ /dev/null
@@ -1 +0,0 @@
-#define WRITER_PROGRESS
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_writer.log b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_writer.log
deleted file mode 100644
index 2b68dab..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_writer.log
+++ /dev/null
@@ -1,519 +0,0 @@
-make[1]: Entering directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define > pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_progress.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_progress_writer.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -f -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1272)
-depth 23: Claim reached state 9 (line 1277)
-depth 51: Claim reached state 9 (line 1276)
-Depth=    5851 States=    1e+06 Transitions= 7.93e+06 Memory=   516.154	t=   20.4 R=   5e+04
-Depth=    6593 States=    2e+06 Transitions=  1.7e+07 Memory=   566.545	t=   44.5 R=   4e+04
-Depth=    6593 States=    3e+06 Transitions= 2.76e+07 Memory=   618.205	t=   73.5 R=   4e+04
-pan: resizing hashtable to -w22..  done
-Depth=    6593 States=    4e+06 Transitions= 3.59e+07 Memory=   700.791	t=   95.6 R=   4e+04
-Depth=    6593 States=    5e+06 Transitions= 5.42e+07 Memory=   752.647	t=    148 R=   3e+04
-Depth=    6593 States=    6e+06 Transitions= 7.04e+07 Memory=   801.768	t=    194 R=   3e+04
-Depth=    6593 States=    7e+06 Transitions= 8.54e+07 Memory=   850.693	t=    237 R=   3e+04
-Depth=    6593 States=    8e+06 Transitions= 9.51e+07 Memory=   904.307	t=    264 R=   3e+04
-Depth=    6593 States=    9e+06 Transitions= 1.26e+08 Memory=   962.217	t=    356 R=   3e+04
-pan: resizing hashtable to -w24..  done
-Depth=    6593 States=    1e+07 Transitions=  1.5e+08 Memory=  1135.627	t=    426 R=   2e+04
-Depth=    6593 States=  1.1e+07 Transitions= 1.66e+08 Memory=  1185.725	t=    473 R=   2e+04
-Depth=    6593 States=  1.2e+07 Transitions= 1.84e+08 Memory=  1237.385	t=    525 R=   2e+04
-Depth=    6593 States=  1.3e+07 Transitions= 2.03e+08 Memory=  1288.654	t=    579 R=   2e+04
-Depth=    6593 States=  1.4e+07 Transitions= 2.15e+08 Memory=  1339.631	t=    613 R=   2e+04
-Depth=    6593 States=  1.5e+07 Transitions= 2.28e+08 Memory=  1390.901	t=    646 R=   2e+04
-Depth=    6593 States=  1.6e+07 Transitions= 2.41e+08 Memory=  1442.756	t=    684 R=   2e+04
-Depth=    6593 States=  1.7e+07 Transitions= 2.55e+08 Memory=  1493.244	t=    724 R=   2e+04
-Depth=    6593 States=  1.8e+07 Transitions=  2.7e+08 Memory=  1545.197	t=    765 R=   2e+04
-Depth=    6593 States=  1.9e+07 Transitions= 2.82e+08 Memory=  1597.346	t=    798 R=   2e+04
-Depth=    6593 States=    2e+07 Transitions= 2.94e+08 Memory=  1649.690	t=    832 R=   2e+04
-Depth=    6593 States=  2.1e+07 Transitions= 3.04e+08 Memory=  1700.959	t=    860 R=   2e+04
-Depth=    6593 States=  2.2e+07 Transitions= 3.24e+08 Memory=  1752.815	t=    917 R=   2e+04
-Depth=    6593 States=  2.3e+07 Transitions= 3.43e+08 Memory=  1801.447	t=    973 R=   2e+04
-Depth=    6593 States=  2.4e+07 Transitions= 3.58e+08 Memory=  1850.568	t= 1.02e+03 R=   2e+04
-Depth=    6593 States=  2.5e+07 Transitions= 3.69e+08 Memory=  1903.596	t= 1.05e+03 R=   2e+04
-Depth=    6593 States=  2.6e+07 Transitions= 3.93e+08 Memory=  1960.041	t= 1.12e+03 R=   2e+04
-Depth=    6593 States=  2.7e+07 Transitions= 4.23e+08 Memory=  2011.506	t= 1.21e+03 R=   2e+04
-Depth=    6593 States=  2.8e+07 Transitions= 4.42e+08 Memory=  2062.776	t= 1.26e+03 R=   2e+04
-Depth=    6593 States=  2.9e+07 Transitions= 4.55e+08 Memory=  2113.264	t= 1.3e+03 R=   2e+04
-Depth=    6593 States=    3e+07 Transitions= 4.75e+08 Memory=  2164.240	t= 1.36e+03 R=   2e+04
-Depth=    6593 States=  3.1e+07 Transitions= 4.88e+08 Memory=  2215.315	t= 1.39e+03 R=   2e+04
-Depth=    6593 States=  3.2e+07 Transitions= 5.02e+08 Memory=  2266.193	t= 1.43e+03 R=   2e+04
-Depth=    6593 States=  3.3e+07 Transitions= 5.14e+08 Memory=  2318.147	t= 1.47e+03 R=   2e+04
-Depth=    6593 States=  3.4e+07 Transitions= 5.28e+08 Memory=  2369.416	t= 1.5e+03 R=   2e+04
-pan: resizing hashtable to -w26..  done
-Depth=    6593 States=  3.5e+07 Transitions= 5.41e+08 Memory=  2917.744	t= 1.55e+03 R=   2e+04
-Depth=    6593 States=  3.6e+07 Transitions= 5.53e+08 Memory=  2969.990	t= 1.58e+03 R=   2e+04
-Depth=    6593 States=  3.7e+07 Transitions= 5.65e+08 Memory=  3022.236	t= 1.61e+03 R=   2e+04
-Depth=    6593 States=  3.8e+07 Transitions= 5.76e+08 Memory=  3073.604	t= 1.64e+03 R=   2e+04
-Depth=    6593 States=  3.9e+07 Transitions= 5.94e+08 Memory=  3125.850	t= 1.69e+03 R=   2e+04
-Depth=    6593 States=    4e+07 Transitions= 6.13e+08 Memory=  3173.994	t= 1.75e+03 R=   2e+04
-Depth=    6593 States=  4.1e+07 Transitions= 6.32e+08 Memory=  3223.115	t= 1.8e+03 R=   2e+04
-Depth=    6593 States=  4.2e+07 Transitions= 6.49e+08 Memory=  3272.236	t= 1.85e+03 R=   2e+04
-
-(Spin Version 5.1.7 -- 23 December 2008)
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness enabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 6593, errors: 0
- 25668735 states, stored (4.20113e+07 visited)
-6.0674803e+08 states, matched
-6.4875934e+08 transitions (= visited+matched)
-9.990628e+09 atomic steps
-hash conflicts: 2.634972e+08 (resolved)
-
-Stats on memory usage (in Megabytes):
- 2839.635	equivalent memory usage for states (stored*(State-vector + overhead))
- 2304.486	actual memory usage for states (compression: 81.15%)
-         	state-vector as stored = 66 byte + 28 byte overhead
-  512.000	memory used for hash table (-w26)
-  457.764	memory used for DFS stack (-m10000000)
-    1.330	memory lost to fragmentation
- 3272.920	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 262, "pan.___", state 30, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 52, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 61, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 77, "(1)"
-	line 243, "pan.___", state 85, "(1)"
-	line 247, "pan.___", state 97, "(1)"
-	line 251, "pan.___", state 105, "(1)"
-	line 401, "pan.___", state 131, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 163, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 177, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 195, "(1)"
-	line 247, "pan.___", state 215, "(1)"
-	line 251, "pan.___", state 223, "(1)"
-	line 680, "pan.___", state 242, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 401, "pan.___", state 249, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 281, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 295, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 313, "(1)"
-	line 247, "pan.___", state 333, "(1)"
-	line 251, "pan.___", state 341, "(1)"
-	line 401, "pan.___", state 360, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 392, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 406, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 424, "(1)"
-	line 247, "pan.___", state 444, "(1)"
-	line 251, "pan.___", state 452, "(1)"
-	line 401, "pan.___", state 473, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 475, "(1)"
-	line 401, "pan.___", state 476, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 476, "else"
-	line 401, "pan.___", state 479, "(1)"
-	line 405, "pan.___", state 487, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 489, "(1)"
-	line 405, "pan.___", state 490, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 490, "else"
-	line 405, "pan.___", state 493, "(1)"
-	line 405, "pan.___", state 494, "(1)"
-	line 405, "pan.___", state 494, "(1)"
-	line 403, "pan.___", state 499, "((i<1))"
-	line 403, "pan.___", state 499, "((i>=1))"
-	line 410, "pan.___", state 505, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 507, "(1)"
-	line 410, "pan.___", state 508, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 410, "pan.___", state 508, "else"
-	line 410, "pan.___", state 511, "(1)"
-	line 410, "pan.___", state 512, "(1)"
-	line 410, "pan.___", state 512, "(1)"
-	line 414, "pan.___", state 519, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 521, "(1)"
-	line 414, "pan.___", state 522, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 414, "pan.___", state 522, "else"
-	line 414, "pan.___", state 525, "(1)"
-	line 414, "pan.___", state 526, "(1)"
-	line 414, "pan.___", state 526, "(1)"
-	line 412, "pan.___", state 531, "((i<2))"
-	line 412, "pan.___", state 531, "((i>=2))"
-	line 239, "pan.___", state 537, "(1)"
-	line 243, "pan.___", state 545, "(1)"
-	line 243, "pan.___", state 546, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 546, "else"
-	line 241, "pan.___", state 551, "((i<1))"
-	line 241, "pan.___", state 551, "((i>=1))"
-	line 247, "pan.___", state 557, "(1)"
-	line 247, "pan.___", state 558, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 558, "else"
-	line 251, "pan.___", state 565, "(1)"
-	line 251, "pan.___", state 566, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 566, "else"
-	line 249, "pan.___", state 571, "((i<2))"
-	line 249, "pan.___", state 571, "((i>=2))"
-	line 256, "pan.___", state 575, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 575, "else"
-	line 421, "pan.___", state 577, "(1)"
-	line 421, "pan.___", state 577, "(1)"
-	line 680, "pan.___", state 580, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 680, "pan.___", state 581, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 680, "pan.___", state 582, "(1)"
-	line 401, "pan.___", state 589, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 621, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 635, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 653, "(1)"
-	line 247, "pan.___", state 673, "(1)"
-	line 251, "pan.___", state 681, "(1)"
-	line 401, "pan.___", state 707, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 709, "(1)"
-	line 401, "pan.___", state 710, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 710, "else"
-	line 401, "pan.___", state 713, "(1)"
-	line 405, "pan.___", state 721, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 723, "(1)"
-	line 405, "pan.___", state 724, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 724, "else"
-	line 405, "pan.___", state 727, "(1)"
-	line 405, "pan.___", state 728, "(1)"
-	line 405, "pan.___", state 728, "(1)"
-	line 403, "pan.___", state 733, "((i<1))"
-	line 403, "pan.___", state 733, "((i>=1))"
-	line 410, "pan.___", state 739, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 741, "(1)"
-	line 410, "pan.___", state 742, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 410, "pan.___", state 742, "else"
-	line 410, "pan.___", state 745, "(1)"
-	line 410, "pan.___", state 746, "(1)"
-	line 410, "pan.___", state 746, "(1)"
-	line 414, "pan.___", state 753, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 755, "(1)"
-	line 414, "pan.___", state 756, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 414, "pan.___", state 756, "else"
-	line 414, "pan.___", state 759, "(1)"
-	line 414, "pan.___", state 760, "(1)"
-	line 414, "pan.___", state 760, "(1)"
-	line 412, "pan.___", state 765, "((i<2))"
-	line 412, "pan.___", state 765, "((i>=2))"
-	line 239, "pan.___", state 771, "(1)"
-	line 243, "pan.___", state 779, "(1)"
-	line 243, "pan.___", state 780, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 780, "else"
-	line 241, "pan.___", state 785, "((i<1))"
-	line 241, "pan.___", state 785, "((i>=1))"
-	line 247, "pan.___", state 791, "(1)"
-	line 247, "pan.___", state 792, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 792, "else"
-	line 251, "pan.___", state 799, "(1)"
-	line 251, "pan.___", state 800, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 800, "else"
-	line 256, "pan.___", state 809, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 809, "else"
-	line 421, "pan.___", state 811, "(1)"
-	line 421, "pan.___", state 811, "(1)"
-	line 401, "pan.___", state 818, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 820, "(1)"
-	line 401, "pan.___", state 821, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 821, "else"
-	line 401, "pan.___", state 824, "(1)"
-	line 405, "pan.___", state 832, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 834, "(1)"
-	line 405, "pan.___", state 835, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 835, "else"
-	line 405, "pan.___", state 838, "(1)"
-	line 405, "pan.___", state 839, "(1)"
-	line 405, "pan.___", state 839, "(1)"
-	line 403, "pan.___", state 844, "((i<1))"
-	line 403, "pan.___", state 844, "((i>=1))"
-	line 410, "pan.___", state 850, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 852, "(1)"
-	line 410, "pan.___", state 853, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 410, "pan.___", state 853, "else"
-	line 410, "pan.___", state 856, "(1)"
-	line 410, "pan.___", state 857, "(1)"
-	line 410, "pan.___", state 857, "(1)"
-	line 414, "pan.___", state 864, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 866, "(1)"
-	line 414, "pan.___", state 867, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 414, "pan.___", state 867, "else"
-	line 414, "pan.___", state 870, "(1)"
-	line 414, "pan.___", state 871, "(1)"
-	line 414, "pan.___", state 871, "(1)"
-	line 412, "pan.___", state 876, "((i<2))"
-	line 412, "pan.___", state 876, "((i>=2))"
-	line 239, "pan.___", state 882, "(1)"
-	line 243, "pan.___", state 890, "(1)"
-	line 243, "pan.___", state 891, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 891, "else"
-	line 241, "pan.___", state 896, "((i<1))"
-	line 241, "pan.___", state 896, "((i>=1))"
-	line 247, "pan.___", state 902, "(1)"
-	line 247, "pan.___", state 903, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 903, "else"
-	line 251, "pan.___", state 910, "(1)"
-	line 251, "pan.___", state 911, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 911, "else"
-	line 249, "pan.___", state 916, "((i<2))"
-	line 249, "pan.___", state 916, "((i>=2))"
-	line 256, "pan.___", state 920, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 920, "else"
-	line 421, "pan.___", state 922, "(1)"
-	line 421, "pan.___", state 922, "(1)"
-	line 688, "pan.___", state 926, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 401, "pan.___", state 931, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 963, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 977, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 995, "(1)"
-	line 247, "pan.___", state 1015, "(1)"
-	line 251, "pan.___", state 1023, "(1)"
-	line 401, "pan.___", state 1045, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1077, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1091, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1109, "(1)"
-	line 247, "pan.___", state 1129, "(1)"
-	line 251, "pan.___", state 1137, "(1)"
-	line 401, "pan.___", state 1160, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1192, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1206, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1224, "(1)"
-	line 247, "pan.___", state 1244, "(1)"
-	line 251, "pan.___", state 1252, "(1)"
-	line 401, "pan.___", state 1271, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1303, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1317, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1335, "(1)"
-	line 247, "pan.___", state 1355, "(1)"
-	line 251, "pan.___", state 1363, "(1)"
-	line 401, "pan.___", state 1387, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1419, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1433, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1451, "(1)"
-	line 247, "pan.___", state 1471, "(1)"
-	line 251, "pan.___", state 1479, "(1)"
-	line 401, "pan.___", state 1498, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1530, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1544, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1562, "(1)"
-	line 247, "pan.___", state 1582, "(1)"
-	line 251, "pan.___", state 1590, "(1)"
-	line 401, "pan.___", state 1612, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1644, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1658, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1676, "(1)"
-	line 247, "pan.___", state 1696, "(1)"
-	line 251, "pan.___", state 1704, "(1)"
-	line 727, "pan.___", state 1723, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 401, "pan.___", state 1730, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1762, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1776, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1794, "(1)"
-	line 247, "pan.___", state 1814, "(1)"
-	line 251, "pan.___", state 1822, "(1)"
-	line 401, "pan.___", state 1841, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1873, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 1887, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1905, "(1)"
-	line 247, "pan.___", state 1925, "(1)"
-	line 251, "pan.___", state 1933, "(1)"
-	line 401, "pan.___", state 1954, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 1956, "(1)"
-	line 401, "pan.___", state 1957, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 1957, "else"
-	line 401, "pan.___", state 1960, "(1)"
-	line 405, "pan.___", state 1968, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 1970, "(1)"
-	line 405, "pan.___", state 1971, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 1971, "else"
-	line 405, "pan.___", state 1974, "(1)"
-	line 405, "pan.___", state 1975, "(1)"
-	line 405, "pan.___", state 1975, "(1)"
-	line 403, "pan.___", state 1980, "((i<1))"
-	line 403, "pan.___", state 1980, "((i>=1))"
-	line 410, "pan.___", state 1986, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 1988, "(1)"
-	line 410, "pan.___", state 1989, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 410, "pan.___", state 1989, "else"
-	line 410, "pan.___", state 1992, "(1)"
-	line 410, "pan.___", state 1993, "(1)"
-	line 410, "pan.___", state 1993, "(1)"
-	line 414, "pan.___", state 2000, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 2002, "(1)"
-	line 414, "pan.___", state 2003, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 414, "pan.___", state 2003, "else"
-	line 414, "pan.___", state 2006, "(1)"
-	line 414, "pan.___", state 2007, "(1)"
-	line 414, "pan.___", state 2007, "(1)"
-	line 412, "pan.___", state 2012, "((i<2))"
-	line 412, "pan.___", state 2012, "((i>=2))"
-	line 239, "pan.___", state 2018, "(1)"
-	line 243, "pan.___", state 2026, "(1)"
-	line 243, "pan.___", state 2027, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 243, "pan.___", state 2027, "else"
-	line 241, "pan.___", state 2032, "((i<1))"
-	line 241, "pan.___", state 2032, "((i>=1))"
-	line 247, "pan.___", state 2038, "(1)"
-	line 247, "pan.___", state 2039, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 247, "pan.___", state 2039, "else"
-	line 251, "pan.___", state 2046, "(1)"
-	line 251, "pan.___", state 2047, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 251, "pan.___", state 2047, "else"
-	line 249, "pan.___", state 2052, "((i<2))"
-	line 249, "pan.___", state 2052, "((i>=2))"
-	line 256, "pan.___", state 2056, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 256, "pan.___", state 2056, "else"
-	line 421, "pan.___", state 2058, "(1)"
-	line 421, "pan.___", state 2058, "(1)"
-	line 727, "pan.___", state 2061, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 727, "pan.___", state 2062, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 727, "pan.___", state 2063, "(1)"
-	line 401, "pan.___", state 2070, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 2102, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 2116, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 2134, "(1)"
-	line 247, "pan.___", state 2154, "(1)"
-	line 251, "pan.___", state 2162, "(1)"
-	line 401, "pan.___", state 2187, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 2219, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 2233, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 2251, "(1)"
-	line 247, "pan.___", state 2271, "(1)"
-	line 251, "pan.___", state 2279, "(1)"
-	line 401, "pan.___", state 2298, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 2330, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 2344, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 2362, "(1)"
-	line 247, "pan.___", state 2382, "(1)"
-	line 251, "pan.___", state 2390, "(1)"
-	line 239, "pan.___", state 2421, "(1)"
-	line 247, "pan.___", state 2441, "(1)"
-	line 251, "pan.___", state 2449, "(1)"
-	line 239, "pan.___", state 2464, "(1)"
-	line 247, "pan.___", state 2484, "(1)"
-	line 251, "pan.___", state 2492, "(1)"
-	line 887, "pan.___", state 2509, "-end-"
-	(246 of 2509 states)
-unreached in proctype urcu_writer
-	line 401, "pan.___", state 18, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 32, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 50, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 82, "(1)"
-	line 243, "pan.___", state 90, "(1)"
-	line 247, "pan.___", state 102, "(1)"
-	line 262, "pan.___", state 131, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 140, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 153, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 193, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 207, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 225, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 239, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 257, "(1)"
-	line 243, "pan.___", state 265, "(1)"
-	line 247, "pan.___", state 277, "(1)"
-	line 251, "pan.___", state 285, "(1)"
-	line 405, "pan.___", state 320, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 338, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 352, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 243, "pan.___", state 378, "(1)"
-	line 247, "pan.___", state 390, "(1)"
-	line 251, "pan.___", state 398, "(1)"
-	line 405, "pan.___", state 440, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 458, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 472, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 243, "pan.___", state 498, "(1)"
-	line 247, "pan.___", state 510, "(1)"
-	line 251, "pan.___", state 518, "(1)"
-	line 405, "pan.___", state 551, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 569, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 583, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 243, "pan.___", state 609, "(1)"
-	line 247, "pan.___", state 621, "(1)"
-	line 251, "pan.___", state 629, "(1)"
-	line 405, "pan.___", state 664, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 410, "pan.___", state 682, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 414, "pan.___", state 696, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 243, "pan.___", state 722, "(1)"
-	line 247, "pan.___", state 734, "(1)"
-	line 251, "pan.___", state 742, "(1)"
-	line 262, "pan.___", state 795, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 804, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 819, "(1)"
-	line 274, "pan.___", state 826, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 842, "(1)"
-	line 243, "pan.___", state 850, "(1)"
-	line 247, "pan.___", state 862, "(1)"
-	line 251, "pan.___", state 870, "(1)"
-	line 262, "pan.___", state 901, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 910, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 923, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 932, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 948, "(1)"
-	line 243, "pan.___", state 956, "(1)"
-	line 247, "pan.___", state 968, "(1)"
-	line 251, "pan.___", state 976, "(1)"
-	line 266, "pan.___", state 1002, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1015, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1024, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1040, "(1)"
-	line 243, "pan.___", state 1048, "(1)"
-	line 247, "pan.___", state 1060, "(1)"
-	line 251, "pan.___", state 1068, "(1)"
-	line 262, "pan.___", state 1099, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 1108, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1121, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1130, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1146, "(1)"
-	line 243, "pan.___", state 1154, "(1)"
-	line 247, "pan.___", state 1166, "(1)"
-	line 251, "pan.___", state 1174, "(1)"
-	line 266, "pan.___", state 1200, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1213, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1222, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1238, "(1)"
-	line 243, "pan.___", state 1246, "(1)"
-	line 247, "pan.___", state 1258, "(1)"
-	line 251, "pan.___", state 1266, "(1)"
-	line 262, "pan.___", state 1297, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 1306, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1319, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1328, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1344, "(1)"
-	line 243, "pan.___", state 1352, "(1)"
-	line 247, "pan.___", state 1364, "(1)"
-	line 251, "pan.___", state 1372, "(1)"
-	line 266, "pan.___", state 1398, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1411, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1420, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1436, "(1)"
-	line 243, "pan.___", state 1444, "(1)"
-	line 247, "pan.___", state 1456, "(1)"
-	line 251, "pan.___", state 1464, "(1)"
-	line 262, "pan.___", state 1495, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 266, "pan.___", state 1504, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 270, "pan.___", state 1517, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 274, "pan.___", state 1526, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 239, "pan.___", state 1542, "(1)"
-	line 243, "pan.___", state 1550, "(1)"
-	line 247, "pan.___", state 1562, "(1)"
-	line 251, "pan.___", state 1570, "(1)"
-	line 1214, "pan.___", state 1586, "-end-"
-	(103 of 1586 states)
-unreached in proctype :init:
-	(0 of 78 states)
-unreached in proctype :never:
-	line 1279, "pan.___", state 11, "-end-"
-	(1 of 11 states)
-
-pan: elapsed time 1.85e+03 seconds
-pan: rate 22712.991 states/second
-pan: avg transition delay 2.8511e-06 usec
-cp .input.spin urcu_progress_writer.spin.input
-cp .input.spin.trail urcu_progress_writer.spin.input.trail
-make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_writer.spin.input b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_writer.spin.input
deleted file mode 100644
index 6e6d67f..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_writer.spin.input
+++ /dev/null
@@ -1,1250 +0,0 @@
-#define WRITER_PROGRESS
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-
-//#define ARCH_ALPHA
-#define ARCH_INTEL
-//#define ARCH_POWERPC
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Only Alpha has out-of-order cache bank loads. Other architectures (intel,
- * powerpc, arm) ensure that dependent reads won't be reordered. c.f.
- * http://www.linuxjournal.com/article/8212)
-#ifdef ARCH_ALPHA
-#define HAVE_OOO_CACHE_READ
-#endif
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i)
-{
-	atomic {
-		smp_wmb(i);
-		smp_rmb(i);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i)
-#define smp_mb_reader	smp_mb(i)
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-#ifdef HAVE_OOO_CACHE_READ
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-#else
-		smp_rmb(i);
-#endif /* HAVE_OOO_CACHE_READ */
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_writer_error.define b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_writer_error.define
deleted file mode 100644
index 8d304f5..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_writer_error.define
+++ /dev/null
@@ -1,2 +0,0 @@
-#define WRITER_PROGRESS
-#define GEN_ERROR_WRITER_PROGRESS
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_writer_error.log b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_writer_error.log
deleted file mode 100644
index a80f97b..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_writer_error.log
+++ /dev/null
@@ -1,498 +0,0 @@
-make[1]: Entering directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define > pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_progress.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_progress_writer_error.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -f -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1273)
-depth 23: Claim reached state 9 (line 1278)
-depth 51: Claim reached state 9 (line 1277)
-pan: acceptance cycle (at depth 1559)
-pan: wrote .input.spin.trail
-
-(Spin Version 5.1.7 -- 23 December 2008)
-Warning: Search not completed
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness enabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 4532, errors: 1
-   437005 states, stored (735994 visited)
-  5102692 states, matched
-  5838686 transitions (= visited+matched)
- 78711771 atomic steps
-hash conflicts:    422011 (resolved)
-
-Stats on memory usage (in Megabytes):
-   48.344	equivalent memory usage for states (stored*(State-vector + overhead))
-   37.421	actual memory usage for states (compression: 77.41%)
-         	state-vector as stored = 62 byte + 28 byte overhead
-    8.000	memory used for hash table (-w20)
-  457.764	memory used for DFS stack (-m10000000)
-  503.068	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 263, "pan.___", state 30, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 271, "pan.___", state 52, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 275, "pan.___", state 61, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 240, "pan.___", state 77, "(1)"
-	line 244, "pan.___", state 85, "(1)"
-	line 248, "pan.___", state 97, "(1)"
-	line 252, "pan.___", state 105, "(1)"
-	line 402, "pan.___", state 131, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 163, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 177, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 240, "pan.___", state 195, "(1)"
-	line 248, "pan.___", state 215, "(1)"
-	line 252, "pan.___", state 223, "(1)"
-	line 681, "pan.___", state 242, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 402, "pan.___", state 249, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 281, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 295, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 240, "pan.___", state 313, "(1)"
-	line 248, "pan.___", state 333, "(1)"
-	line 252, "pan.___", state 341, "(1)"
-	line 402, "pan.___", state 360, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 392, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 406, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 240, "pan.___", state 424, "(1)"
-	line 248, "pan.___", state 444, "(1)"
-	line 252, "pan.___", state 452, "(1)"
-	line 402, "pan.___", state 473, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 402, "pan.___", state 475, "(1)"
-	line 402, "pan.___", state 476, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 402, "pan.___", state 476, "else"
-	line 402, "pan.___", state 479, "(1)"
-	line 406, "pan.___", state 487, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 406, "pan.___", state 489, "(1)"
-	line 406, "pan.___", state 490, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 406, "pan.___", state 490, "else"
-	line 406, "pan.___", state 493, "(1)"
-	line 406, "pan.___", state 494, "(1)"
-	line 406, "pan.___", state 494, "(1)"
-	line 404, "pan.___", state 499, "((i<1))"
-	line 404, "pan.___", state 499, "((i>=1))"
-	line 411, "pan.___", state 505, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 507, "(1)"
-	line 411, "pan.___", state 508, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 411, "pan.___", state 508, "else"
-	line 411, "pan.___", state 511, "(1)"
-	line 411, "pan.___", state 512, "(1)"
-	line 411, "pan.___", state 512, "(1)"
-	line 415, "pan.___", state 519, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 521, "(1)"
-	line 415, "pan.___", state 522, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 415, "pan.___", state 522, "else"
-	line 415, "pan.___", state 525, "(1)"
-	line 415, "pan.___", state 526, "(1)"
-	line 415, "pan.___", state 526, "(1)"
-	line 413, "pan.___", state 531, "((i<2))"
-	line 413, "pan.___", state 531, "((i>=2))"
-	line 240, "pan.___", state 537, "(1)"
-	line 244, "pan.___", state 545, "(1)"
-	line 244, "pan.___", state 546, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 546, "else"
-	line 242, "pan.___", state 551, "((i<1))"
-	line 242, "pan.___", state 551, "((i>=1))"
-	line 248, "pan.___", state 557, "(1)"
-	line 248, "pan.___", state 558, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 248, "pan.___", state 558, "else"
-	line 252, "pan.___", state 565, "(1)"
-	line 252, "pan.___", state 566, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 252, "pan.___", state 566, "else"
-	line 250, "pan.___", state 571, "((i<2))"
-	line 250, "pan.___", state 571, "((i>=2))"
-	line 257, "pan.___", state 575, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 257, "pan.___", state 575, "else"
-	line 422, "pan.___", state 577, "(1)"
-	line 422, "pan.___", state 577, "(1)"
-	line 681, "pan.___", state 580, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 681, "pan.___", state 581, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 681, "pan.___", state 582, "(1)"
-	line 402, "pan.___", state 589, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 621, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 635, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 240, "pan.___", state 653, "(1)"
-	line 248, "pan.___", state 673, "(1)"
-	line 252, "pan.___", state 681, "(1)"
-	line 402, "pan.___", state 707, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 402, "pan.___", state 709, "(1)"
-	line 402, "pan.___", state 710, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 402, "pan.___", state 710, "else"
-	line 402, "pan.___", state 713, "(1)"
-	line 406, "pan.___", state 721, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 406, "pan.___", state 723, "(1)"
-	line 406, "pan.___", state 724, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 406, "pan.___", state 724, "else"
-	line 406, "pan.___", state 727, "(1)"
-	line 406, "pan.___", state 728, "(1)"
-	line 406, "pan.___", state 728, "(1)"
-	line 404, "pan.___", state 733, "((i<1))"
-	line 404, "pan.___", state 733, "((i>=1))"
-	line 411, "pan.___", state 739, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 741, "(1)"
-	line 411, "pan.___", state 742, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 411, "pan.___", state 742, "else"
-	line 411, "pan.___", state 745, "(1)"
-	line 411, "pan.___", state 746, "(1)"
-	line 411, "pan.___", state 746, "(1)"
-	line 415, "pan.___", state 753, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 755, "(1)"
-	line 415, "pan.___", state 756, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 415, "pan.___", state 756, "else"
-	line 415, "pan.___", state 759, "(1)"
-	line 415, "pan.___", state 760, "(1)"
-	line 415, "pan.___", state 760, "(1)"
-	line 413, "pan.___", state 765, "((i<2))"
-	line 413, "pan.___", state 765, "((i>=2))"
-	line 240, "pan.___", state 771, "(1)"
-	line 244, "pan.___", state 779, "(1)"
-	line 244, "pan.___", state 780, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 780, "else"
-	line 242, "pan.___", state 785, "((i<1))"
-	line 242, "pan.___", state 785, "((i>=1))"
-	line 248, "pan.___", state 791, "(1)"
-	line 248, "pan.___", state 792, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 248, "pan.___", state 792, "else"
-	line 252, "pan.___", state 799, "(1)"
-	line 252, "pan.___", state 800, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 252, "pan.___", state 800, "else"
-	line 257, "pan.___", state 809, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 257, "pan.___", state 809, "else"
-	line 422, "pan.___", state 811, "(1)"
-	line 422, "pan.___", state 811, "(1)"
-	line 402, "pan.___", state 818, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 402, "pan.___", state 820, "(1)"
-	line 402, "pan.___", state 821, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 402, "pan.___", state 821, "else"
-	line 402, "pan.___", state 824, "(1)"
-	line 406, "pan.___", state 832, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 406, "pan.___", state 834, "(1)"
-	line 406, "pan.___", state 835, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 406, "pan.___", state 835, "else"
-	line 406, "pan.___", state 838, "(1)"
-	line 406, "pan.___", state 839, "(1)"
-	line 406, "pan.___", state 839, "(1)"
-	line 404, "pan.___", state 844, "((i<1))"
-	line 404, "pan.___", state 844, "((i>=1))"
-	line 411, "pan.___", state 850, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 852, "(1)"
-	line 411, "pan.___", state 853, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 411, "pan.___", state 853, "else"
-	line 411, "pan.___", state 856, "(1)"
-	line 411, "pan.___", state 857, "(1)"
-	line 411, "pan.___", state 857, "(1)"
-	line 415, "pan.___", state 864, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 866, "(1)"
-	line 415, "pan.___", state 867, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 415, "pan.___", state 867, "else"
-	line 415, "pan.___", state 870, "(1)"
-	line 415, "pan.___", state 871, "(1)"
-	line 415, "pan.___", state 871, "(1)"
-	line 413, "pan.___", state 876, "((i<2))"
-	line 413, "pan.___", state 876, "((i>=2))"
-	line 240, "pan.___", state 882, "(1)"
-	line 244, "pan.___", state 890, "(1)"
-	line 244, "pan.___", state 891, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 891, "else"
-	line 242, "pan.___", state 896, "((i<1))"
-	line 242, "pan.___", state 896, "((i>=1))"
-	line 248, "pan.___", state 902, "(1)"
-	line 248, "pan.___", state 903, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 248, "pan.___", state 903, "else"
-	line 252, "pan.___", state 910, "(1)"
-	line 252, "pan.___", state 911, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 252, "pan.___", state 911, "else"
-	line 250, "pan.___", state 916, "((i<2))"
-	line 250, "pan.___", state 916, "((i>=2))"
-	line 257, "pan.___", state 920, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 257, "pan.___", state 920, "else"
-	line 422, "pan.___", state 922, "(1)"
-	line 422, "pan.___", state 922, "(1)"
-	line 689, "pan.___", state 926, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 402, "pan.___", state 931, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 963, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 977, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 240, "pan.___", state 995, "(1)"
-	line 248, "pan.___", state 1015, "(1)"
-	line 252, "pan.___", state 1023, "(1)"
-	line 402, "pan.___", state 1045, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 1077, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 1091, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 240, "pan.___", state 1109, "(1)"
-	line 248, "pan.___", state 1129, "(1)"
-	line 252, "pan.___", state 1137, "(1)"
-	line 402, "pan.___", state 1160, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 1192, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 1206, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 240, "pan.___", state 1224, "(1)"
-	line 248, "pan.___", state 1244, "(1)"
-	line 252, "pan.___", state 1252, "(1)"
-	line 402, "pan.___", state 1271, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 1303, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 1317, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 240, "pan.___", state 1335, "(1)"
-	line 248, "pan.___", state 1355, "(1)"
-	line 252, "pan.___", state 1363, "(1)"
-	line 402, "pan.___", state 1387, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 1419, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 1433, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 240, "pan.___", state 1451, "(1)"
-	line 248, "pan.___", state 1471, "(1)"
-	line 252, "pan.___", state 1479, "(1)"
-	line 402, "pan.___", state 1498, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 1530, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 1544, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 240, "pan.___", state 1562, "(1)"
-	line 248, "pan.___", state 1582, "(1)"
-	line 252, "pan.___", state 1590, "(1)"
-	line 402, "pan.___", state 1612, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 1644, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 1658, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 240, "pan.___", state 1676, "(1)"
-	line 248, "pan.___", state 1696, "(1)"
-	line 252, "pan.___", state 1704, "(1)"
-	line 728, "pan.___", state 1723, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 402, "pan.___", state 1730, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 1762, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 1776, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 240, "pan.___", state 1794, "(1)"
-	line 248, "pan.___", state 1814, "(1)"
-	line 252, "pan.___", state 1822, "(1)"
-	line 402, "pan.___", state 1841, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 1873, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 1887, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 240, "pan.___", state 1905, "(1)"
-	line 248, "pan.___", state 1925, "(1)"
-	line 252, "pan.___", state 1933, "(1)"
-	line 402, "pan.___", state 1954, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 402, "pan.___", state 1956, "(1)"
-	line 402, "pan.___", state 1957, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 402, "pan.___", state 1957, "else"
-	line 402, "pan.___", state 1960, "(1)"
-	line 406, "pan.___", state 1968, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 406, "pan.___", state 1970, "(1)"
-	line 406, "pan.___", state 1971, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 406, "pan.___", state 1971, "else"
-	line 406, "pan.___", state 1974, "(1)"
-	line 406, "pan.___", state 1975, "(1)"
-	line 406, "pan.___", state 1975, "(1)"
-	line 404, "pan.___", state 1980, "((i<1))"
-	line 404, "pan.___", state 1980, "((i>=1))"
-	line 411, "pan.___", state 1986, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 1988, "(1)"
-	line 411, "pan.___", state 1989, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 411, "pan.___", state 1989, "else"
-	line 411, "pan.___", state 1992, "(1)"
-	line 411, "pan.___", state 1993, "(1)"
-	line 411, "pan.___", state 1993, "(1)"
-	line 415, "pan.___", state 2000, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 2002, "(1)"
-	line 415, "pan.___", state 2003, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 415, "pan.___", state 2003, "else"
-	line 415, "pan.___", state 2006, "(1)"
-	line 415, "pan.___", state 2007, "(1)"
-	line 415, "pan.___", state 2007, "(1)"
-	line 413, "pan.___", state 2012, "((i<2))"
-	line 413, "pan.___", state 2012, "((i>=2))"
-	line 240, "pan.___", state 2018, "(1)"
-	line 244, "pan.___", state 2026, "(1)"
-	line 244, "pan.___", state 2027, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 2027, "else"
-	line 242, "pan.___", state 2032, "((i<1))"
-	line 242, "pan.___", state 2032, "((i>=1))"
-	line 248, "pan.___", state 2038, "(1)"
-	line 248, "pan.___", state 2039, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 248, "pan.___", state 2039, "else"
-	line 252, "pan.___", state 2046, "(1)"
-	line 252, "pan.___", state 2047, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 252, "pan.___", state 2047, "else"
-	line 250, "pan.___", state 2052, "((i<2))"
-	line 250, "pan.___", state 2052, "((i>=2))"
-	line 257, "pan.___", state 2056, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 257, "pan.___", state 2056, "else"
-	line 422, "pan.___", state 2058, "(1)"
-	line 422, "pan.___", state 2058, "(1)"
-	line 728, "pan.___", state 2061, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 728, "pan.___", state 2062, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 728, "pan.___", state 2063, "(1)"
-	line 402, "pan.___", state 2070, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 2102, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 2116, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 240, "pan.___", state 2134, "(1)"
-	line 248, "pan.___", state 2154, "(1)"
-	line 252, "pan.___", state 2162, "(1)"
-	line 402, "pan.___", state 2187, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 2219, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 2233, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 240, "pan.___", state 2251, "(1)"
-	line 248, "pan.___", state 2271, "(1)"
-	line 252, "pan.___", state 2279, "(1)"
-	line 402, "pan.___", state 2298, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 2330, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 2344, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 240, "pan.___", state 2362, "(1)"
-	line 248, "pan.___", state 2382, "(1)"
-	line 252, "pan.___", state 2390, "(1)"
-	line 240, "pan.___", state 2421, "(1)"
-	line 248, "pan.___", state 2441, "(1)"
-	line 252, "pan.___", state 2449, "(1)"
-	line 240, "pan.___", state 2464, "(1)"
-	line 248, "pan.___", state 2484, "(1)"
-	line 252, "pan.___", state 2492, "(1)"
-	line 888, "pan.___", state 2509, "-end-"
-	(246 of 2509 states)
-unreached in proctype urcu_writer
-	line 402, "pan.___", state 18, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 406, "pan.___", state 32, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 50, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 240, "pan.___", state 82, "(1)"
-	line 244, "pan.___", state 90, "(1)"
-	line 248, "pan.___", state 102, "(1)"
-	line 263, "pan.___", state 131, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 267, "pan.___", state 140, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 271, "pan.___", state 153, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 402, "pan.___", state 193, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 406, "pan.___", state 207, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 225, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 239, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 240, "pan.___", state 257, "(1)"
-	line 244, "pan.___", state 265, "(1)"
-	line 248, "pan.___", state 277, "(1)"
-	line 252, "pan.___", state 285, "(1)"
-	line 406, "pan.___", state 320, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 338, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 352, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 244, "pan.___", state 378, "(1)"
-	line 248, "pan.___", state 390, "(1)"
-	line 252, "pan.___", state 398, "(1)"
-	line 402, "pan.___", state 423, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 402, "pan.___", state 425, "(1)"
-	line 402, "pan.___", state 426, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 402, "pan.___", state 426, "else"
-	line 402, "pan.___", state 429, "(1)"
-	line 406, "pan.___", state 437, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 406, "pan.___", state 439, "(1)"
-	line 406, "pan.___", state 440, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 406, "pan.___", state 440, "else"
-	line 406, "pan.___", state 443, "(1)"
-	line 406, "pan.___", state 444, "(1)"
-	line 406, "pan.___", state 444, "(1)"
-	line 404, "pan.___", state 449, "((i<1))"
-	line 404, "pan.___", state 449, "((i>=1))"
-	line 411, "pan.___", state 455, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 457, "(1)"
-	line 411, "pan.___", state 458, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 411, "pan.___", state 458, "else"
-	line 411, "pan.___", state 461, "(1)"
-	line 411, "pan.___", state 462, "(1)"
-	line 411, "pan.___", state 462, "(1)"
-	line 415, "pan.___", state 469, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 471, "(1)"
-	line 415, "pan.___", state 472, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 415, "pan.___", state 472, "else"
-	line 415, "pan.___", state 475, "(1)"
-	line 415, "pan.___", state 476, "(1)"
-	line 415, "pan.___", state 476, "(1)"
-	line 413, "pan.___", state 481, "((i<2))"
-	line 413, "pan.___", state 481, "((i>=2))"
-	line 240, "pan.___", state 487, "(1)"
-	line 244, "pan.___", state 495, "(1)"
-	line 244, "pan.___", state 496, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 496, "else"
-	line 242, "pan.___", state 501, "((i<1))"
-	line 242, "pan.___", state 501, "((i>=1))"
-	line 248, "pan.___", state 507, "(1)"
-	line 248, "pan.___", state 508, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 248, "pan.___", state 508, "else"
-	line 252, "pan.___", state 515, "(1)"
-	line 252, "pan.___", state 516, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 252, "pan.___", state 516, "else"
-	line 257, "pan.___", state 525, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 257, "pan.___", state 525, "else"
-	line 422, "pan.___", state 527, "(1)"
-	line 422, "pan.___", state 527, "(1)"
-	line 406, "pan.___", state 547, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 565, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 579, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 244, "pan.___", state 605, "(1)"
-	line 248, "pan.___", state 617, "(1)"
-	line 252, "pan.___", state 625, "(1)"
-	line 406, "pan.___", state 658, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 676, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 690, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 244, "pan.___", state 716, "(1)"
-	line 248, "pan.___", state 728, "(1)"
-	line 252, "pan.___", state 736, "(1)"
-	line 406, "pan.___", state 771, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 789, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 803, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 244, "pan.___", state 829, "(1)"
-	line 248, "pan.___", state 841, "(1)"
-	line 252, "pan.___", state 849, "(1)"
-	line 406, "pan.___", state 887, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 905, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 919, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 244, "pan.___", state 945, "(1)"
-	line 248, "pan.___", state 957, "(1)"
-	line 252, "pan.___", state 965, "(1)"
-	line 263, "pan.___", state 1009, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 267, "pan.___", state 1018, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 271, "pan.___", state 1033, "(1)"
-	line 275, "pan.___", state 1040, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 240, "pan.___", state 1056, "(1)"
-	line 244, "pan.___", state 1064, "(1)"
-	line 248, "pan.___", state 1076, "(1)"
-	line 252, "pan.___", state 1084, "(1)"
-	line 263, "pan.___", state 1115, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 267, "pan.___", state 1124, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 271, "pan.___", state 1137, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 275, "pan.___", state 1146, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 240, "pan.___", state 1162, "(1)"
-	line 244, "pan.___", state 1170, "(1)"
-	line 248, "pan.___", state 1182, "(1)"
-	line 252, "pan.___", state 1190, "(1)"
-	line 267, "pan.___", state 1216, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 271, "pan.___", state 1229, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 275, "pan.___", state 1238, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 240, "pan.___", state 1254, "(1)"
-	line 244, "pan.___", state 1262, "(1)"
-	line 248, "pan.___", state 1274, "(1)"
-	line 252, "pan.___", state 1282, "(1)"
-	line 263, "pan.___", state 1313, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 267, "pan.___", state 1322, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 271, "pan.___", state 1335, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 275, "pan.___", state 1344, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 240, "pan.___", state 1360, "(1)"
-	line 244, "pan.___", state 1368, "(1)"
-	line 248, "pan.___", state 1380, "(1)"
-	line 252, "pan.___", state 1388, "(1)"
-	line 1215, "pan.___", state 1404, "-end-"
-	(110 of 1404 states)
-unreached in proctype :init:
-	(0 of 78 states)
-unreached in proctype :never:
-	line 1280, "pan.___", state 11, "-end-"
-	(1 of 11 states)
-
-pan: elapsed time 14.8 seconds
-pan: rate 49695.746 states/second
-pan: avg transition delay 2.5365e-06 usec
-cp .input.spin urcu_progress_writer_error.spin.input
-cp .input.spin.trail urcu_progress_writer_error.spin.input.trail
-make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_writer_error.spin.input b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_writer_error.spin.input
deleted file mode 100644
index 7161faf..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_writer_error.spin.input
+++ /dev/null
@@ -1,1251 +0,0 @@
-#define WRITER_PROGRESS
-#define GEN_ERROR_WRITER_PROGRESS
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-
-//#define ARCH_ALPHA
-#define ARCH_INTEL
-//#define ARCH_POWERPC
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Only Alpha has out-of-order cache bank loads. Other architectures (intel,
- * powerpc, arm) ensure that dependent reads won't be reordered. c.f.
- * http://www.linuxjournal.com/article/8212)
-#ifdef ARCH_ALPHA
-#define HAVE_OOO_CACHE_READ
-#endif
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i)
-{
-	atomic {
-		smp_wmb(i);
-		smp_rmb(i);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i)
-#define smp_mb_reader	smp_mb(i)
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-#ifdef HAVE_OOO_CACHE_READ
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-#else
-		smp_rmb(i);
-#endif /* HAVE_OOO_CACHE_READ */
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_writer_error.spin.input.trail b/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_writer_error.spin.input.trail
deleted file mode 100644
index ee9e4b8..0000000
--- a/formal-model/results/urcu-controldataflow-ipi-intel/urcu_progress_writer_error.spin.input.trail
+++ /dev/null
@@ -1,1700 +0,0 @@
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-1343:0:3993
-1344:1:126
-1345:1:127
-1346:1:131
-1347:1:132
-1348:1:140
-1349:1:141
-1350:1:145
-1351:1:146
-1352:1:154
-1353:1:159
-1354:1:163
-1355:1:164
-1356:1:172
-1357:1:173
-1358:1:177
-1359:1:178
-1360:1:172
-1361:1:173
-1362:1:177
-1363:1:178
-1364:1:186
-1365:1:191
-1366:1:198
-1367:1:199
-1368:1:206
-1369:1:211
-1370:1:218
-1371:1:219
-1372:1:218
-1373:1:219
-1374:1:226
-1375:0:3993
-1376:1:15
-1377:0:3993
-1378:1:16
-1379:0:3993
-1380:1:17
-1381:0:3993
-1382:1:118
-1383:0:3993
-1384:1:120
-1385:0:3993
-1386:1:19
-1387:0:3993
-1388:1:237
-1389:1:238
-1390:0:3993
-1391:1:15
-1392:0:3993
-1393:1:16
-1394:0:3993
-1395:1:17
-1396:0:3993
-1397:1:118
-1398:0:3993
-1399:1:120
-1400:0:3993
-1401:1:19
-1402:0:3993
-1403:1:244
-1404:1:245
-1405:1:249
-1406:1:250
-1407:1:258
-1408:1:259
-1409:1:263
-1410:1:264
-1411:1:272
-1412:1:277
-1413:1:281
-1414:1:282
-1415:1:290
-1416:1:291
-1417:1:295
-1418:1:296
-1419:1:290
-1420:1:291
-1421:1:295
-1422:1:296
-1423:1:304
-1424:1:309
-1425:1:316
-1426:1:317
-1427:1:324
-1428:1:329
-1429:1:336
-1430:1:337
-1431:1:336
-1432:1:337
-1433:1:344
-1434:0:3993
-1435:1:15
-1436:0:3993
-1437:1:16
-1438:0:3993
-1439:1:17
-1440:0:3993
-1441:1:118
-1442:0:3993
-1443:1:120
-1444:0:3993
-1445:1:19
-1446:0:3993
-1447:1:355
-1448:1:356
-1449:1:360
-1450:1:361
-1451:1:369
-1452:1:370
-1453:1:374
-1454:1:375
-1455:1:383
-1456:1:388
-1457:1:392
-1458:1:393
-1459:1:401
-1460:1:402
-1461:1:406
-1462:1:407
-1463:1:401
-1464:1:402
-1465:1:406
-1466:1:407
-1467:1:415
-1468:1:420
-1469:1:427
-1470:1:428
-1471:1:435
-1472:1:440
-1473:1:447
-1474:1:448
-1475:1:447
-1476:1:448
-1477:1:455
-1478:1:464
-1479:0:3993
-1480:1:15
-1481:0:3993
-1482:1:16
-1483:0:3993
-1484:1:17
-1485:0:3993
-1486:1:118
-1487:0:3993
-1488:1:120
-1489:0:3991
-1490:1:19
-1491:0:3997
-1492:1:1040
-1493:1:1041
-1494:1:1045
-1495:1:1046
-1496:1:1054
-1497:1:1055
-1498:1:1056
-1499:1:1068
-1500:1:1073
-1501:1:1077
-1502:1:1078
-1503:1:1086
-1504:1:1087
-1505:1:1091
-1506:1:1092
-1507:1:1086
-1508:1:1087
-1509:1:1091
-1510:1:1092
-1511:1:1100
-1512:1:1105
-1513:1:1112
-1514:1:1113
-1515:1:1120
-1516:1:1125
-1517:1:1132
-1518:1:1133
-1519:1:1132
-1520:1:1133
-1521:1:1140
-1522:0:3997
-1523:1:15
-1524:0:3997
-1525:1:16
-1526:0:3997
-1527:2:3261
-1528:2:3262
-1529:2:3263
-1530:2:3275
-1531:2:3276
-1532:2:3280
-1533:2:3281
-1534:2:3289
-1535:2:3294
-1536:2:3298
-1537:2:3299
-1538:2:3307
-1539:2:3308
-1540:2:3312
-1541:2:3313
-1542:2:3307
-1543:2:3308
-1544:2:3312
-1545:2:3313
-1546:2:3321
-1547:2:3326
-1548:2:3333
-1549:2:3334
-1550:2:3341
-1551:2:3346
-1552:2:3353
-1553:2:3354
-1554:2:3353
-1555:2:3354
-1556:2:3361
-1557:2:3371
-1558:0:3997
-1559:2:2521
--1:-1:-1
-1560:0:3997
-1561:2:3377
-1562:2:3378
-1563:2:3382
-1564:2:3383
-1565:2:3391
-1566:2:3392
-1567:2:3396
-1568:2:3397
-1569:2:3405
-1570:2:3410
-1571:2:3414
-1572:2:3415
-1573:2:3423
-1574:2:3424
-1575:2:3428
-1576:2:3429
-1577:2:3423
-1578:2:3424
-1579:2:3428
-1580:2:3429
-1581:2:3437
-1582:2:3442
-1583:2:3449
-1584:2:3450
-1585:2:3457
-1586:2:3462
-1587:2:3469
-1588:2:3470
-1589:2:3469
-1590:2:3470
-1591:2:3477
-1592:0:3997
-1593:2:2521
-1594:0:3997
-1595:2:3261
-1596:2:3262
-1597:2:3266
-1598:2:3267
-1599:2:3275
-1600:2:3276
-1601:2:3280
-1602:2:3281
-1603:2:3289
-1604:2:3294
-1605:2:3298
-1606:2:3299
-1607:2:3307
-1608:2:3308
-1609:2:3312
-1610:2:3313
-1611:2:3307
-1612:2:3308
-1613:2:3312
-1614:2:3313
-1615:2:3321
-1616:2:3326
-1617:2:3333
-1618:2:3334
-1619:2:3341
-1620:2:3346
-1621:2:3353
-1622:2:3354
-1623:2:3353
-1624:2:3354
-1625:2:3361
-1626:2:3371
-1627:0:3997
-1628:2:2521
-1629:0:3997
-1630:2:3377
-1631:2:3378
-1632:2:3382
-1633:2:3383
-1634:2:3391
-1635:2:3392
-1636:2:3396
-1637:2:3397
-1638:2:3405
-1639:2:3410
-1640:2:3414
-1641:2:3415
-1642:2:3423
-1643:2:3424
-1644:2:3428
-1645:2:3429
-1646:2:3423
-1647:2:3424
-1648:2:3428
-1649:2:3429
-1650:2:3437
-1651:2:3442
-1652:2:3449
-1653:2:3450
-1654:2:3457
-1655:2:3462
-1656:2:3469
-1657:2:3470
-1658:2:3469
-1659:2:3470
-1660:2:3477
-1661:0:3997
-1662:2:2521
-1663:0:3997
-1664:2:3261
-1665:2:3262
-1666:2:3266
-1667:2:3267
-1668:2:3275
-1669:2:3276
-1670:2:3280
-1671:2:3281
-1672:2:3289
-1673:2:3294
-1674:2:3298
-1675:2:3299
-1676:2:3307
-1677:2:3308
-1678:2:3312
-1679:2:3313
-1680:2:3307
-1681:2:3308
-1682:2:3312
-1683:2:3313
-1684:2:3321
-1685:2:3326
-1686:2:3333
-1687:2:3334
-1688:2:3341
-1689:2:3346
-1690:2:3353
-1691:2:3354
-1692:2:3353
-1693:2:3354
-1694:2:3361
-1695:2:3371
-1696:0:3997
-1697:2:2521
diff --git a/formal-model/results/urcu-controldataflow-ipi/.input.spin b/formal-model/results/urcu-controldataflow-ipi/.input.spin
deleted file mode 100644
index 4640ac9..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/.input.spin
+++ /dev/null
@@ -1,1239 +0,0 @@
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-//#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)
-//#else
-//#define PROGRESS_LABEL(progressid)
-//#endif
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-ipi/DEFINES b/formal-model/results/urcu-controldataflow-ipi/DEFINES
deleted file mode 100644
index 980fad6..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/DEFINES
+++ /dev/null
@@ -1,14 +0,0 @@
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
diff --git a/formal-model/results/urcu-controldataflow-ipi/Makefile b/formal-model/results/urcu-controldataflow-ipi/Makefile
deleted file mode 100644
index de47dff..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/Makefile
+++ /dev/null
@@ -1,170 +0,0 @@
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
-# Copyright (C) Mathieu Desnoyers, 2009
-#
-# Authors: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
-
-#CFLAGS=-DSAFETY
-#for multi-core verif, 15.5GB shared mem, use files if full
-#CFLAGS=-DHASH64 -DMEMLIM=15500 -DNCORE=2
-#CFLAGS=-DHASH64 -DCOLLAPSE -DMA=88 -DMEMLIM=15500 -DNCORE=8
-
-#liveness
-#CFLAGS=-DHASH64 -DCOLLAPSE -DMA=88
-CFLAGS=-DHASH64
-
-SPINFILE=urcu.spin
-
-default:
-	make urcu_free | tee urcu_free.log
-	make urcu_free_no_mb | tee urcu_free_no_mb.log
-	make urcu_free_no_rmb | tee urcu_free_no_rmb.log
-	make urcu_free_no_wmb | tee urcu_free_no_wmb.log
-	make urcu_free_single_flip | tee urcu_free_single_flip.log
-	make urcu_progress_writer | tee urcu_progress_writer.log
-	make urcu_progress_reader | tee urcu_progress_reader.log
-	make urcu_progress_writer_error | tee urcu_progress_writer_error.log
-	make asserts | tee asserts.log
-	make summary
-
-#show trail : spin -v -t -N pan.ltl input.spin
-# after each individual make.
-
-summary:
-	@echo
-	@echo "Verification summary"
-	@grep errors: *.log
-
-asserts: clean
-	cat DEFINES > .input.spin
-	cat ${SPINFILE} >> .input.spin
-	rm -f .input.spin.trail
-	spin -a -X .input.spin
-	gcc -O2 -w ${CFLAGS} -DSAFETY -o pan pan.c
-	./pan -v -c1 -X -m10000000 -w20
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free: clean urcu_free_ltl run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_nested: clean urcu_free_ltl urcu_free_nested_define run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_nested_define:
-	cp urcu_free_nested.define .input.define
-
-urcu_free_no_rmb: clean urcu_free_ltl urcu_free_no_rmb_define run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_no_rmb_define:
-	cp urcu_free_no_rmb.define .input.define
-
-urcu_free_no_wmb: clean urcu_free_ltl urcu_free_no_wmb_define run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_no_wmb_define:
-	cp urcu_free_no_wmb.define .input.define
-
-urcu_free_no_mb: clean urcu_free_ltl urcu_free_no_mb_define run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_no_mb_define:
-	cp urcu_free_no_mb.define .input.define
-
-urcu_free_single_flip: clean urcu_free_ltl urcu_free_single_flip_define run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_single_flip_define:
-	cp urcu_free_single_flip.define .input.define
-
-urcu_free_ltl:
-	touch .input.define
-	cat .input.define >> pan.ltl
-	cat DEFINES >> pan.ltl
-	spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl
-
-# Progress checks
-
-urcu_progress_writer: clean urcu_progress_writer_ltl \
-		urcu_progress_writer_define run_weak_fair
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_progress_writer_define:
-	cp urcu_progress_writer.define .input.define
-
-urcu_progress_writer_ltl:
-	touch .input.define
-	cat .input.define > pan.ltl
-	cat DEFINES >> pan.ltl
-	spin -f "!(`cat urcu_progress.ltl | grep -v ^//`)" >> pan.ltl
-
-urcu_progress_reader: clean urcu_progress_reader_ltl \
-		urcu_progress_reader_define run_weak_fair
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_progress_reader_define:
-	cp urcu_progress_reader.define .input.define
-
-urcu_progress_reader_ltl:
-	touch .input.define
-	cat .input.define > pan.ltl
-	cat DEFINES >> pan.ltl
-	spin -f "!(`cat urcu_progress.ltl | grep -v ^//`)" >> pan.ltl
-
-urcu_progress_writer_error: clean urcu_progress_writer_error_ltl \
-		urcu_progress_writer_error_define run_weak_fair
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_progress_writer_error_define:
-	cp urcu_progress_writer_error.define .input.define
-
-urcu_progress_writer_error_ltl:
-	touch .input.define
-	cat .input.define > pan.ltl
-	cat DEFINES >> pan.ltl
-	spin -f "!(`cat urcu_progress.ltl | grep -v ^//`)" >> pan.ltl
-
-
-run_weak_fair: pan
-	./pan -a -f -v -c1 -X -m10000000 -w20
-
-run: pan
-	./pan -a -v -c1 -X -m10000000 -w20
-
-pan: pan.c
-	gcc -O2 -w ${CFLAGS} -o pan pan.c
-
-pan.c: pan.ltl ${SPINFILE}
-	cat .input.define > .input.spin
-	cat DEFINES >> .input.spin
-	cat ${SPINFILE} >> .input.spin
-	rm -f .input.spin.trail
-	spin -a -X -N pan.ltl .input.spin
-
-.PHONY: clean default distclean summary
-clean:
-	rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-distclean:
-	rm -f *.trail *.input *.log
diff --git a/formal-model/results/urcu-controldataflow-ipi/asserts.log b/formal-model/results/urcu-controldataflow-ipi/asserts.log
deleted file mode 100644
index 98a269c..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/asserts.log
+++ /dev/null
@@ -1,522 +0,0 @@
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-cat DEFINES > .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -DSAFETY -o pan pan.c
-./pan -v -c1 -X -m10000000 -w20
-Depth=    5832 States=    1e+06 Transitions= 1.25e+08 Memory=   542.717	t=    123 R=   8e+03
-Depth=    5832 States=    2e+06 Transitions= 4.09e+08 Memory=   618.986	t=    417 R=   5e+03
-Depth=    5832 States=    3e+06 Transitions= 6.64e+08 Memory=   695.256	t=    685 R=   4e+03
-pan: resizing hashtable to -w22..  done
-Depth=    5832 States=    4e+06 Transitions= 1.15e+09 Memory=   802.647	t= 1.2e+03 R=   3e+03
-Depth=    5832 States=    5e+06 Transitions= 1.46e+09 Memory=   878.916	t= 1.52e+03 R=   3e+03
-Depth=    5832 States=    6e+06 Transitions= 1.66e+09 Memory=   955.186	t= 1.72e+03 R=   3e+03
-Depth=    5832 States=    7e+06 Transitions= 1.86e+09 Memory=  1031.455	t= 1.93e+03 R=   4e+03
-Depth=    5832 States=    8e+06 Transitions= 2.13e+09 Memory=  1107.822	t= 2.22e+03 R=   4e+03
-Depth=    5832 States=    9e+06 Transitions= 2.38e+09 Memory=  1184.092	t= 2.49e+03 R=   4e+03
-pan: resizing hashtable to -w24..  done
-Depth=    5832 States=    1e+07 Transitions= 2.87e+09 Memory=  1384.455	t=  3e+03 R=   3e+03
-Depth=    5832 States=  1.1e+07 Transitions= 3.15e+09 Memory=  1460.725	t= 3.29e+03 R=   3e+03
-Depth=    5832 States=  1.2e+07 Transitions= 3.42e+09 Memory=  1536.994	t= 3.57e+03 R=   3e+03
-Depth=    5832 States=  1.3e+07 Transitions= 3.62e+09 Memory=  1613.361	t= 3.77e+03 R=   3e+03
-Depth=    5832 States=  1.4e+07 Transitions= 3.84e+09 Memory=  1689.631	t= 3.99e+03 R=   4e+03
-Depth=    5832 States=  1.5e+07 Transitions= 4.13e+09 Memory=  1765.901	t= 4.29e+03 R=   3e+03
-
-(Spin Version 5.1.7 -- 23 December 2008)
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	- (none specified)
-	assertion violations	+
-	cycle checks       	- (disabled by -DSAFETY)
-	invalid end states	+
-
-State-vector 72 byte, depth reached 5832, errors: 0
- 15444143 states, stored
-4.2527754e+09 states, matched
-4.2682195e+09 transitions (= stored+matched)
-2.483245e+10 atomic steps
-hash conflicts: 2.790927e+09 (resolved)
-
-Stats on memory usage (in Megabytes):
- 1472.868	equivalent memory usage for states (stored*(State-vector + overhead))
- 1214.135	actual memory usage for states (compression: 82.43%)
-         	state-vector as stored = 54 byte + 28 byte overhead
-  128.000	memory used for hash table (-w24)
-  457.764	memory used for DFS stack (-m10000000)
- 1799.787	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 249, ".input.spin", state 30, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 257, ".input.spin", state 52, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, ".input.spin", state 61, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, ".input.spin", state 77, "(1)"
-	line 230, ".input.spin", state 85, "(1)"
-	line 234, ".input.spin", state 97, "(1)"
-	line 238, ".input.spin", state 105, "(1)"
-	line 394, ".input.spin", state 131, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 163, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 177, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 196, "(1)"
-	line 420, ".input.spin", state 226, "(1)"
-	line 424, ".input.spin", state 239, "(1)"
-	line 669, ".input.spin", state 260, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 394, ".input.spin", state 267, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 299, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 313, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 332, "(1)"
-	line 420, ".input.spin", state 362, "(1)"
-	line 424, ".input.spin", state 375, "(1)"
-	line 394, ".input.spin", state 396, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 428, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 442, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 461, "(1)"
-	line 420, ".input.spin", state 491, "(1)"
-	line 424, ".input.spin", state 504, "(1)"
-	line 394, ".input.spin", state 527, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 394, ".input.spin", state 529, "(1)"
-	line 394, ".input.spin", state 530, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 394, ".input.spin", state 530, "else"
-	line 394, ".input.spin", state 533, "(1)"
-	line 398, ".input.spin", state 541, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 398, ".input.spin", state 543, "(1)"
-	line 398, ".input.spin", state 544, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 398, ".input.spin", state 544, "else"
-	line 398, ".input.spin", state 547, "(1)"
-	line 398, ".input.spin", state 548, "(1)"
-	line 398, ".input.spin", state 548, "(1)"
-	line 396, ".input.spin", state 553, "((i<1))"
-	line 396, ".input.spin", state 553, "((i>=1))"
-	line 403, ".input.spin", state 559, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 561, "(1)"
-	line 403, ".input.spin", state 562, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 403, ".input.spin", state 562, "else"
-	line 403, ".input.spin", state 565, "(1)"
-	line 403, ".input.spin", state 566, "(1)"
-	line 403, ".input.spin", state 566, "(1)"
-	line 407, ".input.spin", state 573, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 575, "(1)"
-	line 407, ".input.spin", state 576, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 407, ".input.spin", state 576, "else"
-	line 407, ".input.spin", state 579, "(1)"
-	line 407, ".input.spin", state 580, "(1)"
-	line 407, ".input.spin", state 580, "(1)"
-	line 405, ".input.spin", state 585, "((i<2))"
-	line 405, ".input.spin", state 585, "((i>=2))"
-	line 411, ".input.spin", state 592, "(1)"
-	line 411, ".input.spin", state 593, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 411, ".input.spin", state 593, "else"
-	line 411, ".input.spin", state 596, "(1)"
-	line 411, ".input.spin", state 597, "(1)"
-	line 411, ".input.spin", state 597, "(1)"
-	line 415, ".input.spin", state 605, "(1)"
-	line 415, ".input.spin", state 606, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 415, ".input.spin", state 606, "else"
-	line 415, ".input.spin", state 609, "(1)"
-	line 415, ".input.spin", state 610, "(1)"
-	line 415, ".input.spin", state 610, "(1)"
-	line 413, ".input.spin", state 615, "((i<1))"
-	line 413, ".input.spin", state 615, "((i>=1))"
-	line 420, ".input.spin", state 622, "(1)"
-	line 420, ".input.spin", state 623, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 420, ".input.spin", state 623, "else"
-	line 420, ".input.spin", state 626, "(1)"
-	line 420, ".input.spin", state 627, "(1)"
-	line 420, ".input.spin", state 627, "(1)"
-	line 424, ".input.spin", state 635, "(1)"
-	line 424, ".input.spin", state 636, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 424, ".input.spin", state 636, "else"
-	line 424, ".input.spin", state 639, "(1)"
-	line 424, ".input.spin", state 640, "(1)"
-	line 424, ".input.spin", state 640, "(1)"
-	line 422, ".input.spin", state 645, "((i<2))"
-	line 422, ".input.spin", state 645, "((i>=2))"
-	line 429, ".input.spin", state 649, "(1)"
-	line 429, ".input.spin", state 649, "(1)"
-	line 669, ".input.spin", state 652, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 669, ".input.spin", state 653, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 669, ".input.spin", state 654, "(1)"
-	line 394, ".input.spin", state 661, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 693, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 707, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 726, "(1)"
-	line 420, ".input.spin", state 756, "(1)"
-	line 424, ".input.spin", state 769, "(1)"
-	line 394, ".input.spin", state 797, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 394, ".input.spin", state 799, "(1)"
-	line 394, ".input.spin", state 800, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 394, ".input.spin", state 800, "else"
-	line 394, ".input.spin", state 803, "(1)"
-	line 398, ".input.spin", state 811, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 398, ".input.spin", state 813, "(1)"
-	line 398, ".input.spin", state 814, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 398, ".input.spin", state 814, "else"
-	line 398, ".input.spin", state 817, "(1)"
-	line 398, ".input.spin", state 818, "(1)"
-	line 398, ".input.spin", state 818, "(1)"
-	line 396, ".input.spin", state 823, "((i<1))"
-	line 396, ".input.spin", state 823, "((i>=1))"
-	line 403, ".input.spin", state 829, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 831, "(1)"
-	line 403, ".input.spin", state 832, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 403, ".input.spin", state 832, "else"
-	line 403, ".input.spin", state 835, "(1)"
-	line 403, ".input.spin", state 836, "(1)"
-	line 403, ".input.spin", state 836, "(1)"
-	line 407, ".input.spin", state 843, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 845, "(1)"
-	line 407, ".input.spin", state 846, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 407, ".input.spin", state 846, "else"
-	line 407, ".input.spin", state 849, "(1)"
-	line 407, ".input.spin", state 850, "(1)"
-	line 407, ".input.spin", state 850, "(1)"
-	line 405, ".input.spin", state 855, "((i<2))"
-	line 405, ".input.spin", state 855, "((i>=2))"
-	line 411, ".input.spin", state 862, "(1)"
-	line 411, ".input.spin", state 863, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 411, ".input.spin", state 863, "else"
-	line 411, ".input.spin", state 866, "(1)"
-	line 411, ".input.spin", state 867, "(1)"
-	line 411, ".input.spin", state 867, "(1)"
-	line 415, ".input.spin", state 875, "(1)"
-	line 415, ".input.spin", state 876, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 415, ".input.spin", state 876, "else"
-	line 415, ".input.spin", state 879, "(1)"
-	line 415, ".input.spin", state 880, "(1)"
-	line 415, ".input.spin", state 880, "(1)"
-	line 413, ".input.spin", state 885, "((i<1))"
-	line 413, ".input.spin", state 885, "((i>=1))"
-	line 420, ".input.spin", state 892, "(1)"
-	line 420, ".input.spin", state 893, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 420, ".input.spin", state 893, "else"
-	line 420, ".input.spin", state 896, "(1)"
-	line 420, ".input.spin", state 897, "(1)"
-	line 420, ".input.spin", state 897, "(1)"
-	line 424, ".input.spin", state 905, "(1)"
-	line 424, ".input.spin", state 906, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 424, ".input.spin", state 906, "else"
-	line 424, ".input.spin", state 909, "(1)"
-	line 424, ".input.spin", state 910, "(1)"
-	line 424, ".input.spin", state 910, "(1)"
-	line 429, ".input.spin", state 919, "(1)"
-	line 429, ".input.spin", state 919, "(1)"
-	line 394, ".input.spin", state 926, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 394, ".input.spin", state 928, "(1)"
-	line 394, ".input.spin", state 929, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 394, ".input.spin", state 929, "else"
-	line 394, ".input.spin", state 932, "(1)"
-	line 398, ".input.spin", state 940, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 398, ".input.spin", state 942, "(1)"
-	line 398, ".input.spin", state 943, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 398, ".input.spin", state 943, "else"
-	line 398, ".input.spin", state 946, "(1)"
-	line 398, ".input.spin", state 947, "(1)"
-	line 398, ".input.spin", state 947, "(1)"
-	line 396, ".input.spin", state 952, "((i<1))"
-	line 396, ".input.spin", state 952, "((i>=1))"
-	line 403, ".input.spin", state 958, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 960, "(1)"
-	line 403, ".input.spin", state 961, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 403, ".input.spin", state 961, "else"
-	line 403, ".input.spin", state 964, "(1)"
-	line 403, ".input.spin", state 965, "(1)"
-	line 403, ".input.spin", state 965, "(1)"
-	line 407, ".input.spin", state 972, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 974, "(1)"
-	line 407, ".input.spin", state 975, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 407, ".input.spin", state 975, "else"
-	line 407, ".input.spin", state 978, "(1)"
-	line 407, ".input.spin", state 979, "(1)"
-	line 407, ".input.spin", state 979, "(1)"
-	line 405, ".input.spin", state 984, "((i<2))"
-	line 405, ".input.spin", state 984, "((i>=2))"
-	line 411, ".input.spin", state 991, "(1)"
-	line 411, ".input.spin", state 992, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 411, ".input.spin", state 992, "else"
-	line 411, ".input.spin", state 995, "(1)"
-	line 411, ".input.spin", state 996, "(1)"
-	line 411, ".input.spin", state 996, "(1)"
-	line 415, ".input.spin", state 1004, "(1)"
-	line 415, ".input.spin", state 1005, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 415, ".input.spin", state 1005, "else"
-	line 415, ".input.spin", state 1008, "(1)"
-	line 415, ".input.spin", state 1009, "(1)"
-	line 415, ".input.spin", state 1009, "(1)"
-	line 413, ".input.spin", state 1014, "((i<1))"
-	line 413, ".input.spin", state 1014, "((i>=1))"
-	line 420, ".input.spin", state 1021, "(1)"
-	line 420, ".input.spin", state 1022, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 420, ".input.spin", state 1022, "else"
-	line 420, ".input.spin", state 1025, "(1)"
-	line 420, ".input.spin", state 1026, "(1)"
-	line 420, ".input.spin", state 1026, "(1)"
-	line 424, ".input.spin", state 1034, "(1)"
-	line 424, ".input.spin", state 1035, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 424, ".input.spin", state 1035, "else"
-	line 424, ".input.spin", state 1038, "(1)"
-	line 424, ".input.spin", state 1039, "(1)"
-	line 424, ".input.spin", state 1039, "(1)"
-	line 422, ".input.spin", state 1044, "((i<2))"
-	line 422, ".input.spin", state 1044, "((i>=2))"
-	line 429, ".input.spin", state 1048, "(1)"
-	line 429, ".input.spin", state 1048, "(1)"
-	line 677, ".input.spin", state 1052, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 394, ".input.spin", state 1057, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 1089, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 1103, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 1122, "(1)"
-	line 420, ".input.spin", state 1152, "(1)"
-	line 424, ".input.spin", state 1165, "(1)"
-	line 394, ".input.spin", state 1189, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 1221, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 1235, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 1254, "(1)"
-	line 420, ".input.spin", state 1284, "(1)"
-	line 424, ".input.spin", state 1297, "(1)"
-	line 394, ".input.spin", state 1322, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 1354, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 1368, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 1387, "(1)"
-	line 420, ".input.spin", state 1417, "(1)"
-	line 424, ".input.spin", state 1430, "(1)"
-	line 394, ".input.spin", state 1451, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 1483, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 1497, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 1516, "(1)"
-	line 420, ".input.spin", state 1546, "(1)"
-	line 424, ".input.spin", state 1559, "(1)"
-	line 394, ".input.spin", state 1585, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 1617, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 1631, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 1650, "(1)"
-	line 420, ".input.spin", state 1680, "(1)"
-	line 424, ".input.spin", state 1693, "(1)"
-	line 394, ".input.spin", state 1714, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 1746, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 1760, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 1779, "(1)"
-	line 420, ".input.spin", state 1809, "(1)"
-	line 424, ".input.spin", state 1822, "(1)"
-	line 394, ".input.spin", state 1846, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 1878, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 1892, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 1911, "(1)"
-	line 420, ".input.spin", state 1941, "(1)"
-	line 424, ".input.spin", state 1954, "(1)"
-	line 716, ".input.spin", state 1975, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 394, ".input.spin", state 1982, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 2014, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 2028, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 2047, "(1)"
-	line 420, ".input.spin", state 2077, "(1)"
-	line 424, ".input.spin", state 2090, "(1)"
-	line 394, ".input.spin", state 2111, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 2143, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 2157, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 2176, "(1)"
-	line 420, ".input.spin", state 2206, "(1)"
-	line 424, ".input.spin", state 2219, "(1)"
-	line 394, ".input.spin", state 2242, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 394, ".input.spin", state 2244, "(1)"
-	line 394, ".input.spin", state 2245, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 394, ".input.spin", state 2245, "else"
-	line 394, ".input.spin", state 2248, "(1)"
-	line 398, ".input.spin", state 2256, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 398, ".input.spin", state 2258, "(1)"
-	line 398, ".input.spin", state 2259, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 398, ".input.spin", state 2259, "else"
-	line 398, ".input.spin", state 2262, "(1)"
-	line 398, ".input.spin", state 2263, "(1)"
-	line 398, ".input.spin", state 2263, "(1)"
-	line 396, ".input.spin", state 2268, "((i<1))"
-	line 396, ".input.spin", state 2268, "((i>=1))"
-	line 403, ".input.spin", state 2274, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 2276, "(1)"
-	line 403, ".input.spin", state 2277, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 403, ".input.spin", state 2277, "else"
-	line 403, ".input.spin", state 2280, "(1)"
-	line 403, ".input.spin", state 2281, "(1)"
-	line 403, ".input.spin", state 2281, "(1)"
-	line 407, ".input.spin", state 2288, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 2290, "(1)"
-	line 407, ".input.spin", state 2291, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 407, ".input.spin", state 2291, "else"
-	line 407, ".input.spin", state 2294, "(1)"
-	line 407, ".input.spin", state 2295, "(1)"
-	line 407, ".input.spin", state 2295, "(1)"
-	line 405, ".input.spin", state 2300, "((i<2))"
-	line 405, ".input.spin", state 2300, "((i>=2))"
-	line 411, ".input.spin", state 2307, "(1)"
-	line 411, ".input.spin", state 2308, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 411, ".input.spin", state 2308, "else"
-	line 411, ".input.spin", state 2311, "(1)"
-	line 411, ".input.spin", state 2312, "(1)"
-	line 411, ".input.spin", state 2312, "(1)"
-	line 415, ".input.spin", state 2320, "(1)"
-	line 415, ".input.spin", state 2321, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 415, ".input.spin", state 2321, "else"
-	line 415, ".input.spin", state 2324, "(1)"
-	line 415, ".input.spin", state 2325, "(1)"
-	line 415, ".input.spin", state 2325, "(1)"
-	line 413, ".input.spin", state 2330, "((i<1))"
-	line 413, ".input.spin", state 2330, "((i>=1))"
-	line 420, ".input.spin", state 2337, "(1)"
-	line 420, ".input.spin", state 2338, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 420, ".input.spin", state 2338, "else"
-	line 420, ".input.spin", state 2341, "(1)"
-	line 420, ".input.spin", state 2342, "(1)"
-	line 420, ".input.spin", state 2342, "(1)"
-	line 424, ".input.spin", state 2350, "(1)"
-	line 424, ".input.spin", state 2351, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 424, ".input.spin", state 2351, "else"
-	line 424, ".input.spin", state 2354, "(1)"
-	line 424, ".input.spin", state 2355, "(1)"
-	line 424, ".input.spin", state 2355, "(1)"
-	line 422, ".input.spin", state 2360, "((i<2))"
-	line 422, ".input.spin", state 2360, "((i>=2))"
-	line 429, ".input.spin", state 2364, "(1)"
-	line 429, ".input.spin", state 2364, "(1)"
-	line 716, ".input.spin", state 2367, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 716, ".input.spin", state 2368, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 716, ".input.spin", state 2369, "(1)"
-	line 394, ".input.spin", state 2376, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 2408, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 2422, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 2441, "(1)"
-	line 420, ".input.spin", state 2471, "(1)"
-	line 424, ".input.spin", state 2484, "(1)"
-	line 394, ".input.spin", state 2511, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 2543, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 2557, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 2576, "(1)"
-	line 420, ".input.spin", state 2606, "(1)"
-	line 424, ".input.spin", state 2619, "(1)"
-	line 394, ".input.spin", state 2640, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 2672, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 2686, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 2705, "(1)"
-	line 420, ".input.spin", state 2735, "(1)"
-	line 424, ".input.spin", state 2748, "(1)"
-	line 226, ".input.spin", state 2781, "(1)"
-	line 234, ".input.spin", state 2801, "(1)"
-	line 238, ".input.spin", state 2809, "(1)"
-	line 226, ".input.spin", state 2824, "(1)"
-	line 234, ".input.spin", state 2844, "(1)"
-	line 238, ".input.spin", state 2852, "(1)"
-	line 876, ".input.spin", state 2869, "-end-"
-	(278 of 2869 states)
-unreached in proctype urcu_writer
-	line 394, ".input.spin", state 18, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 398, ".input.spin", state 32, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 50, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 83, "(1)"
-	line 415, ".input.spin", state 96, "(1)"
-	line 420, ".input.spin", state 113, "(1)"
-	line 249, ".input.spin", state 149, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 253, ".input.spin", state 158, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, ".input.spin", state 171, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 394, ".input.spin", state 211, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 398, ".input.spin", state 225, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 243, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 257, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 276, "(1)"
-	line 415, ".input.spin", state 289, "(1)"
-	line 420, ".input.spin", state 306, "(1)"
-	line 424, ".input.spin", state 319, "(1)"
-	line 398, ".input.spin", state 356, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 374, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 388, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 415, ".input.spin", state 420, "(1)"
-	line 420, ".input.spin", state 437, "(1)"
-	line 424, ".input.spin", state 450, "(1)"
-	line 398, ".input.spin", state 494, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 512, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 526, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 415, ".input.spin", state 558, "(1)"
-	line 420, ".input.spin", state 575, "(1)"
-	line 424, ".input.spin", state 588, "(1)"
-	line 398, ".input.spin", state 623, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 641, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 655, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 415, ".input.spin", state 687, "(1)"
-	line 420, ".input.spin", state 704, "(1)"
-	line 424, ".input.spin", state 717, "(1)"
-	line 398, ".input.spin", state 754, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 772, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 786, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 415, ".input.spin", state 818, "(1)"
-	line 420, ".input.spin", state 835, "(1)"
-	line 424, ".input.spin", state 848, "(1)"
-	line 249, ".input.spin", state 903, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 253, ".input.spin", state 912, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, ".input.spin", state 927, "(1)"
-	line 261, ".input.spin", state 934, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, ".input.spin", state 950, "(1)"
-	line 230, ".input.spin", state 958, "(1)"
-	line 234, ".input.spin", state 970, "(1)"
-	line 238, ".input.spin", state 978, "(1)"
-	line 249, ".input.spin", state 1009, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 253, ".input.spin", state 1018, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, ".input.spin", state 1031, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, ".input.spin", state 1040, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, ".input.spin", state 1056, "(1)"
-	line 230, ".input.spin", state 1064, "(1)"
-	line 234, ".input.spin", state 1076, "(1)"
-	line 238, ".input.spin", state 1084, "(1)"
-	line 253, ".input.spin", state 1110, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, ".input.spin", state 1123, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, ".input.spin", state 1132, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, ".input.spin", state 1148, "(1)"
-	line 230, ".input.spin", state 1156, "(1)"
-	line 234, ".input.spin", state 1168, "(1)"
-	line 238, ".input.spin", state 1176, "(1)"
-	line 249, ".input.spin", state 1207, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 253, ".input.spin", state 1216, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, ".input.spin", state 1229, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, ".input.spin", state 1238, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, ".input.spin", state 1254, "(1)"
-	line 230, ".input.spin", state 1262, "(1)"
-	line 234, ".input.spin", state 1274, "(1)"
-	line 238, ".input.spin", state 1282, "(1)"
-	line 253, ".input.spin", state 1308, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, ".input.spin", state 1321, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, ".input.spin", state 1330, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, ".input.spin", state 1346, "(1)"
-	line 230, ".input.spin", state 1354, "(1)"
-	line 234, ".input.spin", state 1366, "(1)"
-	line 238, ".input.spin", state 1374, "(1)"
-	line 249, ".input.spin", state 1405, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 253, ".input.spin", state 1414, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, ".input.spin", state 1427, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, ".input.spin", state 1436, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, ".input.spin", state 1452, "(1)"
-	line 230, ".input.spin", state 1460, "(1)"
-	line 234, ".input.spin", state 1472, "(1)"
-	line 238, ".input.spin", state 1480, "(1)"
-	line 253, ".input.spin", state 1506, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, ".input.spin", state 1519, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, ".input.spin", state 1528, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, ".input.spin", state 1544, "(1)"
-	line 230, ".input.spin", state 1552, "(1)"
-	line 234, ".input.spin", state 1564, "(1)"
-	line 238, ".input.spin", state 1572, "(1)"
-	line 249, ".input.spin", state 1603, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 253, ".input.spin", state 1612, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, ".input.spin", state 1625, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, ".input.spin", state 1634, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, ".input.spin", state 1650, "(1)"
-	line 230, ".input.spin", state 1658, "(1)"
-	line 234, ".input.spin", state 1670, "(1)"
-	line 238, ".input.spin", state 1678, "(1)"
-	line 1203, ".input.spin", state 1694, "-end-"
-	(103 of 1694 states)
-unreached in proctype :init:
-	(0 of 78 states)
-
-pan: elapsed time 4.43e+03 seconds
-pan: rate 3486.0658 states/second
-pan: avg transition delay 1.038e-06 usec
-cp .input.spin asserts.spin.input
-cp .input.spin.trail asserts.spin.input.trail
diff --git a/formal-model/results/urcu-controldataflow-ipi/asserts.spin.input b/formal-model/results/urcu-controldataflow-ipi/asserts.spin.input
deleted file mode 100644
index 4640ac9..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/asserts.spin.input
+++ /dev/null
@@ -1,1239 +0,0 @@
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-//#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)
-//#else
-//#define PROGRESS_LABEL(progressid)
-//#endif
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-ipi/references.txt b/formal-model/results/urcu-controldataflow-ipi/references.txt
deleted file mode 100644
index 72c67a2..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/references.txt
+++ /dev/null
@@ -1,13 +0,0 @@
-http://spinroot.com/spin/Man/ltl.html
-http://en.wikipedia.org/wiki/Linear_temporal_logic
-http://www.dcs.gla.ac.uk/~muffy/MRS4-2002/lect11.ppt
-
-http://www.lsv.ens-cachan.fr/~gastin/ltl2ba/index.php
-http://spinroot.com/spin/Man/index.html
-http://spinroot.com/spin/Man/promela.html
-
-LTL vs CTL :
-
-http://spinroot.com/spin/Doc/course/lecture12.pdf p. 9, p. 15, p. 18
-http://www-i2.informatik.rwth-aachen.de/i2/fileadmin/user_upload/documents/Introduction_to_Model_Checking/mc_lec18.pdf
-  (downloaded)
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu.sh b/formal-model/results/urcu-controldataflow-ipi/urcu.sh
deleted file mode 100644
index 65ff517..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu.sh
+++ /dev/null
@@ -1,29 +0,0 @@
-#!/bin/sh
-#
-# Compiles and runs the urcu.spin Promela model.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
-# Copyright (C) IBM Corporation, 2009
-#               Mathieu Desnoyers, 2009
-#
-# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
-#          Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
-
-# Basic execution, without LTL clauses. See Makefile.
-
-spin -a urcu.spin
-cc -DSAFETY -o pan pan.c
-./pan -v -c1 -X -m10000000 -w21
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu.spin b/formal-model/results/urcu-controldataflow-ipi/urcu.spin
deleted file mode 100644
index 4fe6b9e..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu.spin
+++ /dev/null
@@ -1,1225 +0,0 @@
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-//#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)
-//#else
-//#define PROGRESS_LABEL(progressid)
-//#endif
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu.spin.bkp.b4ptr b/formal-model/results/urcu-controldataflow-ipi/urcu.spin.bkp.b4ptr
deleted file mode 100644
index 6670f3e..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu.spin.bkp.b4ptr
+++ /dev/null
@@ -1,1123 +0,0 @@
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bit {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bit cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(generation_ptr, get_pid());
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(generation_ptr, get_pid());
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-	/*
-	 * Busy-looping waiting for other barrier requests is not considered as
-	 * non-progress.
-	 */
-#ifdef READER_PROGRESS
-progress_reader2:
-#endif
-#ifdef WRITER_PROGRESS
-//progress_writer_from_reader1:
-#endif
-		skip;
-	:: 1 ->
-		/* We choose to ignore writer's non-progress caused from the
-		 * reader ignoring the writer's mb() requests */
-#ifdef WRITER_PROGRESS
-//progress_writer_from_reader2:
-#endif
-		break;
-	od;
-}
-
-#ifdef WRITER_PROGRESS
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-#else
-#define PROGRESS_LABEL(progressid)
-#endif
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-PROGRESS_LABEL(progressid)							\
-		do								\
-		:: (reader_barrier[i] == 1) -> skip;				\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, wmp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only two readers */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* pointer generation */
-DECLARE_CACHED_VAR(byte, generation_ptr);
-
-byte last_free_gen = 0;
-bit free_done = 0;
-byte read_generation[NR_READERS];
-bit data_access[NR_READERS];
-
-bit write_lock = 0;
-
-bit init_done = 0;
-
-bit sighand_exec = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(generation_ptr, get_pid());
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(generation_ptr, get_pid());
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		:: 1 -> skip;
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				read_generation[get_readerid()] =
-					READ_CACHED_VAR(generation_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				ooo_mem(i);
-				goto non_atomic;
-non_atomic_end:
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				read_generation[get_readerid()] =
-					READ_CACHED_VAR(generation_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				ooo_mem(i);
-				goto non_atomic2;
-non_atomic2_end:
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-non_atomic:
-	data_access[get_readerid()] = 1;
-	data_access[get_readerid()] = 0;
-	goto non_atomic_end;
-non_atomic2:
-	data_access[get_readerid()] = 1;
-	data_access[get_readerid()] = 0;
-	goto non_atomic2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_PROC_FIRST_MB		(1 << 1)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 2)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 3)
-#define WRITE_PROC_FIRST_WAIT		(1 << 4)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 5)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 6)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 7)
-#define WRITE_PROC_SECOND_WAIT		(1 << 8)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 9)
-
-#define WRITE_PROC_SECOND_MB		(1 << 10)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 11) - 1)
-
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte old_gen;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (READ_CACHED_VAR(generation_ptr) < 5) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		ooo_mem(i);
-		atomic {
-			old_gen = READ_CACHED_VAR(generation_ptr);
-			WRITE_CACHED_VAR(generation_ptr, old_gen + 1);
-		}
-		ooo_mem(i);
-
-		do
-		:: 1 ->
-			atomic {
-				if
-				:: write_lock == 0 ->
-					write_lock = 1;
-					break;
-				:: else ->
-					skip;
-				fi;
-			}
-		od;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-
-		write_lock = 0;
-		/* free-up step, e.g., kfree(). */
-		atomic {
-			last_free_gen = old_gen;
-			free_done = 1;
-		}
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(generation_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			read_generation[i] = 1;
-			data_access[i] = 0;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_free.log b/formal-model/results/urcu-controldataflow-ipi/urcu_free.log
deleted file mode 100644
index bcad427..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_free.log
+++ /dev/null
@@ -1,533 +0,0 @@
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define >> pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1257)
-Depth=    7192 States=    1e+06 Transitions= 1.25e+08 Memory=   550.432	t=    156 R=   6e+03
-Depth=    7192 States=    2e+06 Transitions=  4.1e+08 Memory=   634.318	t=    524 R=   4e+03
-Depth=    7192 States=    3e+06 Transitions= 6.64e+08 Memory=   718.303	t=    857 R=   3e+03
-pan: resizing hashtable to -w22..  done
-Depth=    7192 States=    4e+06 Transitions= 1.15e+09 Memory=   833.311	t= 1.5e+03 R=   3e+03
-Depth=    7192 States=    5e+06 Transitions= 1.46e+09 Memory=   917.295	t= 1.9e+03 R=   3e+03
-Depth=    7192 States=    6e+06 Transitions= 1.66e+09 Memory=  1001.279	t= 2.15e+03 R=   3e+03
-Depth=    7192 States=    7e+06 Transitions= 1.86e+09 Memory=  1085.264	t= 2.42e+03 R=   3e+03
-Depth=    7192 States=    8e+06 Transitions= 2.13e+09 Memory=  1169.151	t= 2.78e+03 R=   3e+03
-Depth=    7192 States=    9e+06 Transitions= 2.38e+09 Memory=  1253.135	t= 3.1e+03 R=   3e+03
-pan: resizing hashtable to -w24..  done
-Depth=    7192 States=    1e+07 Transitions= 2.87e+09 Memory=  1461.115	t= 3.74e+03 R=   3e+03
-Depth=    7192 States=  1.1e+07 Transitions= 3.15e+09 Memory=  1545.100	t= 4.1e+03 R=   3e+03
-Depth=    7192 States=  1.2e+07 Transitions= 3.42e+09 Memory=  1629.084	t= 4.46e+03 R=   3e+03
-Depth=    7192 States=  1.3e+07 Transitions= 3.62e+09 Memory=  1713.068	t= 4.71e+03 R=   3e+03
-Depth=    7192 States=  1.4e+07 Transitions= 3.84e+09 Memory=  1797.053	t= 4.98e+03 R=   3e+03
-Depth=    7192 States=  1.5e+07 Transitions= 4.13e+09 Memory=  1881.037	t= 5.36e+03 R=   3e+03
-
-(Spin Version 5.1.7 -- 23 December 2008)
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness disabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 7192, errors: 0
- 15444143 states, stored
-4.2528076e+09 states, matched
-4.2682517e+09 transitions (= stored+matched)
-2.483245e+10 atomic steps
-hash conflicts: 2.7880402e+09 (resolved)
-
-Stats on memory usage (in Megabytes):
- 1708.527	equivalent memory usage for states (stored*(State-vector + overhead))
- 1333.263	actual memory usage for states (compression: 78.04%)
-         	state-vector as stored = 63 byte + 28 byte overhead
-  128.000	memory used for hash table (-w24)
-  457.764	memory used for DFS stack (-m10000000)
- 1918.244	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 249, "pan.___", state 30, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 257, "pan.___", state 52, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, "pan.___", state 61, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, "pan.___", state 77, "(1)"
-	line 230, "pan.___", state 85, "(1)"
-	line 234, "pan.___", state 97, "(1)"
-	line 238, "pan.___", state 105, "(1)"
-	line 394, "pan.___", state 131, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 163, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 177, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 196, "(1)"
-	line 420, "pan.___", state 226, "(1)"
-	line 424, "pan.___", state 239, "(1)"
-	line 669, "pan.___", state 260, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 394, "pan.___", state 267, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 299, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 313, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 332, "(1)"
-	line 420, "pan.___", state 362, "(1)"
-	line 424, "pan.___", state 375, "(1)"
-	line 394, "pan.___", state 396, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 428, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 442, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 461, "(1)"
-	line 420, "pan.___", state 491, "(1)"
-	line 424, "pan.___", state 504, "(1)"
-	line 394, "pan.___", state 527, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 394, "pan.___", state 529, "(1)"
-	line 394, "pan.___", state 530, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 394, "pan.___", state 530, "else"
-	line 394, "pan.___", state 533, "(1)"
-	line 398, "pan.___", state 541, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 398, "pan.___", state 543, "(1)"
-	line 398, "pan.___", state 544, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 398, "pan.___", state 544, "else"
-	line 398, "pan.___", state 547, "(1)"
-	line 398, "pan.___", state 548, "(1)"
-	line 398, "pan.___", state 548, "(1)"
-	line 396, "pan.___", state 553, "((i<1))"
-	line 396, "pan.___", state 553, "((i>=1))"
-	line 403, "pan.___", state 559, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 561, "(1)"
-	line 403, "pan.___", state 562, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 403, "pan.___", state 562, "else"
-	line 403, "pan.___", state 565, "(1)"
-	line 403, "pan.___", state 566, "(1)"
-	line 403, "pan.___", state 566, "(1)"
-	line 407, "pan.___", state 573, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 575, "(1)"
-	line 407, "pan.___", state 576, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 407, "pan.___", state 576, "else"
-	line 407, "pan.___", state 579, "(1)"
-	line 407, "pan.___", state 580, "(1)"
-	line 407, "pan.___", state 580, "(1)"
-	line 405, "pan.___", state 585, "((i<2))"
-	line 405, "pan.___", state 585, "((i>=2))"
-	line 411, "pan.___", state 592, "(1)"
-	line 411, "pan.___", state 593, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 411, "pan.___", state 593, "else"
-	line 411, "pan.___", state 596, "(1)"
-	line 411, "pan.___", state 597, "(1)"
-	line 411, "pan.___", state 597, "(1)"
-	line 415, "pan.___", state 605, "(1)"
-	line 415, "pan.___", state 606, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 415, "pan.___", state 606, "else"
-	line 415, "pan.___", state 609, "(1)"
-	line 415, "pan.___", state 610, "(1)"
-	line 415, "pan.___", state 610, "(1)"
-	line 413, "pan.___", state 615, "((i<1))"
-	line 413, "pan.___", state 615, "((i>=1))"
-	line 420, "pan.___", state 622, "(1)"
-	line 420, "pan.___", state 623, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 420, "pan.___", state 623, "else"
-	line 420, "pan.___", state 626, "(1)"
-	line 420, "pan.___", state 627, "(1)"
-	line 420, "pan.___", state 627, "(1)"
-	line 424, "pan.___", state 635, "(1)"
-	line 424, "pan.___", state 636, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 424, "pan.___", state 636, "else"
-	line 424, "pan.___", state 639, "(1)"
-	line 424, "pan.___", state 640, "(1)"
-	line 424, "pan.___", state 640, "(1)"
-	line 422, "pan.___", state 645, "((i<2))"
-	line 422, "pan.___", state 645, "((i>=2))"
-	line 429, "pan.___", state 649, "(1)"
-	line 429, "pan.___", state 649, "(1)"
-	line 669, "pan.___", state 652, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 669, "pan.___", state 653, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 669, "pan.___", state 654, "(1)"
-	line 394, "pan.___", state 661, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 693, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 707, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 726, "(1)"
-	line 420, "pan.___", state 756, "(1)"
-	line 424, "pan.___", state 769, "(1)"
-	line 394, "pan.___", state 797, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 394, "pan.___", state 799, "(1)"
-	line 394, "pan.___", state 800, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 394, "pan.___", state 800, "else"
-	line 394, "pan.___", state 803, "(1)"
-	line 398, "pan.___", state 811, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 398, "pan.___", state 813, "(1)"
-	line 398, "pan.___", state 814, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 398, "pan.___", state 814, "else"
-	line 398, "pan.___", state 817, "(1)"
-	line 398, "pan.___", state 818, "(1)"
-	line 398, "pan.___", state 818, "(1)"
-	line 396, "pan.___", state 823, "((i<1))"
-	line 396, "pan.___", state 823, "((i>=1))"
-	line 403, "pan.___", state 829, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 831, "(1)"
-	line 403, "pan.___", state 832, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 403, "pan.___", state 832, "else"
-	line 403, "pan.___", state 835, "(1)"
-	line 403, "pan.___", state 836, "(1)"
-	line 403, "pan.___", state 836, "(1)"
-	line 407, "pan.___", state 843, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 845, "(1)"
-	line 407, "pan.___", state 846, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 407, "pan.___", state 846, "else"
-	line 407, "pan.___", state 849, "(1)"
-	line 407, "pan.___", state 850, "(1)"
-	line 407, "pan.___", state 850, "(1)"
-	line 405, "pan.___", state 855, "((i<2))"
-	line 405, "pan.___", state 855, "((i>=2))"
-	line 411, "pan.___", state 862, "(1)"
-	line 411, "pan.___", state 863, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 411, "pan.___", state 863, "else"
-	line 411, "pan.___", state 866, "(1)"
-	line 411, "pan.___", state 867, "(1)"
-	line 411, "pan.___", state 867, "(1)"
-	line 415, "pan.___", state 875, "(1)"
-	line 415, "pan.___", state 876, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 415, "pan.___", state 876, "else"
-	line 415, "pan.___", state 879, "(1)"
-	line 415, "pan.___", state 880, "(1)"
-	line 415, "pan.___", state 880, "(1)"
-	line 413, "pan.___", state 885, "((i<1))"
-	line 413, "pan.___", state 885, "((i>=1))"
-	line 420, "pan.___", state 892, "(1)"
-	line 420, "pan.___", state 893, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 420, "pan.___", state 893, "else"
-	line 420, "pan.___", state 896, "(1)"
-	line 420, "pan.___", state 897, "(1)"
-	line 420, "pan.___", state 897, "(1)"
-	line 424, "pan.___", state 905, "(1)"
-	line 424, "pan.___", state 906, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 424, "pan.___", state 906, "else"
-	line 424, "pan.___", state 909, "(1)"
-	line 424, "pan.___", state 910, "(1)"
-	line 424, "pan.___", state 910, "(1)"
-	line 429, "pan.___", state 919, "(1)"
-	line 429, "pan.___", state 919, "(1)"
-	line 394, "pan.___", state 926, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 394, "pan.___", state 928, "(1)"
-	line 394, "pan.___", state 929, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 394, "pan.___", state 929, "else"
-	line 394, "pan.___", state 932, "(1)"
-	line 398, "pan.___", state 940, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 398, "pan.___", state 942, "(1)"
-	line 398, "pan.___", state 943, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 398, "pan.___", state 943, "else"
-	line 398, "pan.___", state 946, "(1)"
-	line 398, "pan.___", state 947, "(1)"
-	line 398, "pan.___", state 947, "(1)"
-	line 396, "pan.___", state 952, "((i<1))"
-	line 396, "pan.___", state 952, "((i>=1))"
-	line 403, "pan.___", state 958, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 960, "(1)"
-	line 403, "pan.___", state 961, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 403, "pan.___", state 961, "else"
-	line 403, "pan.___", state 964, "(1)"
-	line 403, "pan.___", state 965, "(1)"
-	line 403, "pan.___", state 965, "(1)"
-	line 407, "pan.___", state 972, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 974, "(1)"
-	line 407, "pan.___", state 975, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 407, "pan.___", state 975, "else"
-	line 407, "pan.___", state 978, "(1)"
-	line 407, "pan.___", state 979, "(1)"
-	line 407, "pan.___", state 979, "(1)"
-	line 405, "pan.___", state 984, "((i<2))"
-	line 405, "pan.___", state 984, "((i>=2))"
-	line 411, "pan.___", state 991, "(1)"
-	line 411, "pan.___", state 992, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 411, "pan.___", state 992, "else"
-	line 411, "pan.___", state 995, "(1)"
-	line 411, "pan.___", state 996, "(1)"
-	line 411, "pan.___", state 996, "(1)"
-	line 415, "pan.___", state 1004, "(1)"
-	line 415, "pan.___", state 1005, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 415, "pan.___", state 1005, "else"
-	line 415, "pan.___", state 1008, "(1)"
-	line 415, "pan.___", state 1009, "(1)"
-	line 415, "pan.___", state 1009, "(1)"
-	line 413, "pan.___", state 1014, "((i<1))"
-	line 413, "pan.___", state 1014, "((i>=1))"
-	line 420, "pan.___", state 1021, "(1)"
-	line 420, "pan.___", state 1022, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 420, "pan.___", state 1022, "else"
-	line 420, "pan.___", state 1025, "(1)"
-	line 420, "pan.___", state 1026, "(1)"
-	line 420, "pan.___", state 1026, "(1)"
-	line 424, "pan.___", state 1034, "(1)"
-	line 424, "pan.___", state 1035, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 424, "pan.___", state 1035, "else"
-	line 424, "pan.___", state 1038, "(1)"
-	line 424, "pan.___", state 1039, "(1)"
-	line 424, "pan.___", state 1039, "(1)"
-	line 422, "pan.___", state 1044, "((i<2))"
-	line 422, "pan.___", state 1044, "((i>=2))"
-	line 429, "pan.___", state 1048, "(1)"
-	line 429, "pan.___", state 1048, "(1)"
-	line 677, "pan.___", state 1052, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 394, "pan.___", state 1057, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 1089, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 1103, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 1122, "(1)"
-	line 420, "pan.___", state 1152, "(1)"
-	line 424, "pan.___", state 1165, "(1)"
-	line 394, "pan.___", state 1189, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 1221, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 1235, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 1254, "(1)"
-	line 420, "pan.___", state 1284, "(1)"
-	line 424, "pan.___", state 1297, "(1)"
-	line 394, "pan.___", state 1322, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 1354, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 1368, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 1387, "(1)"
-	line 420, "pan.___", state 1417, "(1)"
-	line 424, "pan.___", state 1430, "(1)"
-	line 394, "pan.___", state 1451, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 1483, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 1497, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 1516, "(1)"
-	line 420, "pan.___", state 1546, "(1)"
-	line 424, "pan.___", state 1559, "(1)"
-	line 394, "pan.___", state 1585, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 1617, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 1631, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 1650, "(1)"
-	line 420, "pan.___", state 1680, "(1)"
-	line 424, "pan.___", state 1693, "(1)"
-	line 394, "pan.___", state 1714, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 1746, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 1760, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 1779, "(1)"
-	line 420, "pan.___", state 1809, "(1)"
-	line 424, "pan.___", state 1822, "(1)"
-	line 394, "pan.___", state 1846, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 1878, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 1892, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 1911, "(1)"
-	line 420, "pan.___", state 1941, "(1)"
-	line 424, "pan.___", state 1954, "(1)"
-	line 716, "pan.___", state 1975, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 394, "pan.___", state 1982, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 2014, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 2028, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 2047, "(1)"
-	line 420, "pan.___", state 2077, "(1)"
-	line 424, "pan.___", state 2090, "(1)"
-	line 394, "pan.___", state 2111, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 2143, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 2157, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 2176, "(1)"
-	line 420, "pan.___", state 2206, "(1)"
-	line 424, "pan.___", state 2219, "(1)"
-	line 394, "pan.___", state 2242, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 394, "pan.___", state 2244, "(1)"
-	line 394, "pan.___", state 2245, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 394, "pan.___", state 2245, "else"
-	line 394, "pan.___", state 2248, "(1)"
-	line 398, "pan.___", state 2256, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 398, "pan.___", state 2258, "(1)"
-	line 398, "pan.___", state 2259, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 398, "pan.___", state 2259, "else"
-	line 398, "pan.___", state 2262, "(1)"
-	line 398, "pan.___", state 2263, "(1)"
-	line 398, "pan.___", state 2263, "(1)"
-	line 396, "pan.___", state 2268, "((i<1))"
-	line 396, "pan.___", state 2268, "((i>=1))"
-	line 403, "pan.___", state 2274, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 2276, "(1)"
-	line 403, "pan.___", state 2277, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 403, "pan.___", state 2277, "else"
-	line 403, "pan.___", state 2280, "(1)"
-	line 403, "pan.___", state 2281, "(1)"
-	line 403, "pan.___", state 2281, "(1)"
-	line 407, "pan.___", state 2288, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 2290, "(1)"
-	line 407, "pan.___", state 2291, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 407, "pan.___", state 2291, "else"
-	line 407, "pan.___", state 2294, "(1)"
-	line 407, "pan.___", state 2295, "(1)"
-	line 407, "pan.___", state 2295, "(1)"
-	line 405, "pan.___", state 2300, "((i<2))"
-	line 405, "pan.___", state 2300, "((i>=2))"
-	line 411, "pan.___", state 2307, "(1)"
-	line 411, "pan.___", state 2308, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 411, "pan.___", state 2308, "else"
-	line 411, "pan.___", state 2311, "(1)"
-	line 411, "pan.___", state 2312, "(1)"
-	line 411, "pan.___", state 2312, "(1)"
-	line 415, "pan.___", state 2320, "(1)"
-	line 415, "pan.___", state 2321, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 415, "pan.___", state 2321, "else"
-	line 415, "pan.___", state 2324, "(1)"
-	line 415, "pan.___", state 2325, "(1)"
-	line 415, "pan.___", state 2325, "(1)"
-	line 413, "pan.___", state 2330, "((i<1))"
-	line 413, "pan.___", state 2330, "((i>=1))"
-	line 420, "pan.___", state 2337, "(1)"
-	line 420, "pan.___", state 2338, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 420, "pan.___", state 2338, "else"
-	line 420, "pan.___", state 2341, "(1)"
-	line 420, "pan.___", state 2342, "(1)"
-	line 420, "pan.___", state 2342, "(1)"
-	line 424, "pan.___", state 2350, "(1)"
-	line 424, "pan.___", state 2351, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 424, "pan.___", state 2351, "else"
-	line 424, "pan.___", state 2354, "(1)"
-	line 424, "pan.___", state 2355, "(1)"
-	line 424, "pan.___", state 2355, "(1)"
-	line 422, "pan.___", state 2360, "((i<2))"
-	line 422, "pan.___", state 2360, "((i>=2))"
-	line 429, "pan.___", state 2364, "(1)"
-	line 429, "pan.___", state 2364, "(1)"
-	line 716, "pan.___", state 2367, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 716, "pan.___", state 2368, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 716, "pan.___", state 2369, "(1)"
-	line 394, "pan.___", state 2376, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 2408, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 2422, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 2441, "(1)"
-	line 420, "pan.___", state 2471, "(1)"
-	line 424, "pan.___", state 2484, "(1)"
-	line 394, "pan.___", state 2511, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 2543, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 2557, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 2576, "(1)"
-	line 420, "pan.___", state 2606, "(1)"
-	line 424, "pan.___", state 2619, "(1)"
-	line 394, "pan.___", state 2640, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 2672, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 2686, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 2705, "(1)"
-	line 420, "pan.___", state 2735, "(1)"
-	line 424, "pan.___", state 2748, "(1)"
-	line 226, "pan.___", state 2781, "(1)"
-	line 234, "pan.___", state 2801, "(1)"
-	line 238, "pan.___", state 2809, "(1)"
-	line 226, "pan.___", state 2824, "(1)"
-	line 234, "pan.___", state 2844, "(1)"
-	line 238, "pan.___", state 2852, "(1)"
-	line 876, "pan.___", state 2869, "-end-"
-	(278 of 2869 states)
-unreached in proctype urcu_writer
-	line 394, "pan.___", state 18, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 398, "pan.___", state 32, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 50, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 83, "(1)"
-	line 415, "pan.___", state 96, "(1)"
-	line 420, "pan.___", state 113, "(1)"
-	line 249, "pan.___", state 149, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 253, "pan.___", state 158, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, "pan.___", state 171, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 394, "pan.___", state 211, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 398, "pan.___", state 225, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 243, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 257, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 276, "(1)"
-	line 415, "pan.___", state 289, "(1)"
-	line 420, "pan.___", state 306, "(1)"
-	line 424, "pan.___", state 319, "(1)"
-	line 398, "pan.___", state 356, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 374, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 388, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 420, "(1)"
-	line 420, "pan.___", state 437, "(1)"
-	line 424, "pan.___", state 450, "(1)"
-	line 398, "pan.___", state 494, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 512, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 526, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 558, "(1)"
-	line 420, "pan.___", state 575, "(1)"
-	line 424, "pan.___", state 588, "(1)"
-	line 398, "pan.___", state 623, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 641, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 655, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 687, "(1)"
-	line 420, "pan.___", state 704, "(1)"
-	line 424, "pan.___", state 717, "(1)"
-	line 398, "pan.___", state 754, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 772, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 786, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 818, "(1)"
-	line 420, "pan.___", state 835, "(1)"
-	line 424, "pan.___", state 848, "(1)"
-	line 249, "pan.___", state 903, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 253, "pan.___", state 912, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, "pan.___", state 927, "(1)"
-	line 261, "pan.___", state 934, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, "pan.___", state 950, "(1)"
-	line 230, "pan.___", state 958, "(1)"
-	line 234, "pan.___", state 970, "(1)"
-	line 238, "pan.___", state 978, "(1)"
-	line 249, "pan.___", state 1009, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 253, "pan.___", state 1018, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, "pan.___", state 1031, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, "pan.___", state 1040, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, "pan.___", state 1056, "(1)"
-	line 230, "pan.___", state 1064, "(1)"
-	line 234, "pan.___", state 1076, "(1)"
-	line 238, "pan.___", state 1084, "(1)"
-	line 253, "pan.___", state 1110, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, "pan.___", state 1123, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, "pan.___", state 1132, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, "pan.___", state 1148, "(1)"
-	line 230, "pan.___", state 1156, "(1)"
-	line 234, "pan.___", state 1168, "(1)"
-	line 238, "pan.___", state 1176, "(1)"
-	line 249, "pan.___", state 1207, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 253, "pan.___", state 1216, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, "pan.___", state 1229, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, "pan.___", state 1238, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, "pan.___", state 1254, "(1)"
-	line 230, "pan.___", state 1262, "(1)"
-	line 234, "pan.___", state 1274, "(1)"
-	line 238, "pan.___", state 1282, "(1)"
-	line 253, "pan.___", state 1308, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, "pan.___", state 1321, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, "pan.___", state 1330, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, "pan.___", state 1346, "(1)"
-	line 230, "pan.___", state 1354, "(1)"
-	line 234, "pan.___", state 1366, "(1)"
-	line 238, "pan.___", state 1374, "(1)"
-	line 249, "pan.___", state 1405, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 253, "pan.___", state 1414, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, "pan.___", state 1427, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, "pan.___", state 1436, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, "pan.___", state 1452, "(1)"
-	line 230, "pan.___", state 1460, "(1)"
-	line 234, "pan.___", state 1472, "(1)"
-	line 238, "pan.___", state 1480, "(1)"
-	line 253, "pan.___", state 1506, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, "pan.___", state 1519, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, "pan.___", state 1528, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, "pan.___", state 1544, "(1)"
-	line 230, "pan.___", state 1552, "(1)"
-	line 234, "pan.___", state 1564, "(1)"
-	line 238, "pan.___", state 1572, "(1)"
-	line 249, "pan.___", state 1603, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 253, "pan.___", state 1612, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, "pan.___", state 1625, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, "pan.___", state 1634, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, "pan.___", state 1650, "(1)"
-	line 230, "pan.___", state 1658, "(1)"
-	line 234, "pan.___", state 1670, "(1)"
-	line 238, "pan.___", state 1678, "(1)"
-	line 1203, "pan.___", state 1694, "-end-"
-	(103 of 1694 states)
-unreached in proctype :init:
-	(0 of 78 states)
-unreached in proctype :never:
-	line 1262, "pan.___", state 8, "-end-"
-	(1 of 8 states)
-
-pan: elapsed time 5.54e+03 seconds
-pan: rate 2789.4684 states/second
-pan: avg transition delay 1.2972e-06 usec
-cp .input.spin urcu_free.spin.input
-cp .input.spin.trail urcu_free.spin.input.trail
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_free.ltl b/formal-model/results/urcu-controldataflow-ipi/urcu_free.ltl
deleted file mode 100644
index 6be1be9..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_free.ltl
+++ /dev/null
@@ -1 +0,0 @@
-[] (!read_poison)
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_free.spin.input b/formal-model/results/urcu-controldataflow-ipi/urcu_free.spin.input
deleted file mode 100644
index 4640ac9..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_free.spin.input
+++ /dev/null
@@ -1,1239 +0,0 @@
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-//#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)
-//#else
-//#define PROGRESS_LABEL(progressid)
-//#endif
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_free.spin.input.trail b/formal-model/results/urcu-controldataflow-ipi/urcu_free.spin.input.trail
deleted file mode 100644
index 011045f..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_free.spin.input.trail
+++ /dev/null
@@ -1,2598 +0,0 @@
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-2316:2:4572
-2317:2:4577
-2318:2:4584
-2319:2:4585
-2320:2:4584
-2321:2:4585
-2322:2:4592
-2323:2:4596
-2324:0:4863
-2325:2:3996
-2326:2:4401
-2327:0:4863
-2328:1:1028
-2329:1:1029
-2330:1:1033
-2331:1:1034
-2332:1:1042
-2333:1:1043
-2334:1:1047
-2335:1:1048
-2336:1:1056
-2337:1:1061
-2338:1:1065
-2339:1:1066
-2340:1:1074
-2341:1:1075
-2342:1:1079
-2343:1:1080
-2344:1:1074
-2345:1:1075
-2346:1:1079
-2347:1:1080
-2348:1:1088
-2349:1:1093
-2350:1:1094
-2351:1:1105
-2352:1:1106
-2353:1:1107
-2354:1:1118
-2355:1:1123
-2356:1:1124
-2357:1:1135
-2358:1:1136
-2359:1:1137
-2360:1:1135
-2361:1:1143
-2362:1:1144
-2363:1:1148
-2364:1:1155
-2365:1:1159
-2366:0:4863
-2367:2:3721
-2368:0:4863
-2369:1:11
-2370:0:4863
-2371:2:3859
-2372:2:3860
-2373:2:3864
-2374:2:3865
-2375:2:3873
-2376:2:3874
-2377:2:3878
-2378:2:3879
-2379:2:3887
-2380:2:3892
-2381:2:3896
-2382:2:3897
-2383:2:3905
-2384:2:3906
-2385:2:3910
-2386:2:3911
-2387:2:3905
-2388:2:3906
-2389:2:3910
-2390:2:3911
-2391:2:3919
-2392:2:3924
-2393:2:3925
-2394:2:3936
-2395:2:3937
-2396:2:3938
-2397:2:3949
-2398:2:3954
-2399:2:3955
-2400:2:3966
-2401:2:3967
-2402:2:3968
-2403:2:3966
-2404:2:3967
-2405:2:3968
-2406:2:3979
-2407:2:3988
-2408:0:4863
-2409:2:3721
-2410:0:4863
-2411:2:3994
-2412:0:4863
-2413:2:4514
-2414:2:4515
-2415:2:4519
-2416:2:4523
-2417:2:4524
-2418:2:4528
-2419:2:4536
-2420:2:4537
-2421:2:4541
-2422:2:4545
-2423:2:4546
-2424:2:4541
-2425:2:4545
-2426:2:4546
-2427:2:4550
-2428:2:4557
-2429:2:4564
-2430:2:4565
-2431:2:4572
-2432:2:4577
-2433:2:4584
-2434:2:4585
-2435:2:4584
-2436:2:4585
-2437:2:4592
-2438:2:4596
-2439:0:4863
-2440:2:3996
-2441:2:4401
-2442:0:4863
-2443:1:1160
-2444:1:1161
-2445:1:1165
-2446:1:1166
-2447:1:1174
-2448:1:1175
-2449:1:1176
-2450:1:1188
-2451:1:1193
-2452:1:1197
-2453:1:1198
-2454:1:1206
-2455:1:1207
-2456:1:1211
-2457:1:1212
-2458:1:1206
-2459:1:1207
-2460:1:1211
-2461:1:1212
-2462:1:1220
-2463:1:1225
-2464:1:1226
-2465:1:1237
-2466:1:1238
-2467:1:1239
-2468:1:1250
-2469:1:1255
-2470:1:1256
-2471:1:1267
-2472:1:1268
-2473:1:1269
-2474:1:1267
-2475:1:1275
-2476:1:1276
-2477:1:1280
-2478:0:4863
-2479:2:3721
-2480:0:4863
-2481:1:11
-2482:0:4863
-2483:2:3859
-2484:2:3860
-2485:2:3864
-2486:2:3865
-2487:2:3873
-2488:2:3874
-2489:2:3878
-2490:2:3879
-2491:2:3887
-2492:2:3892
-2493:2:3896
-2494:2:3897
-2495:2:3905
-2496:2:3906
-2497:2:3910
-2498:2:3911
-2499:2:3905
-2500:2:3906
-2501:2:3910
-2502:2:3911
-2503:2:3919
-2504:2:3924
-2505:2:3925
-2506:2:3936
-2507:2:3937
-2508:2:3938
-2509:2:3949
-2510:2:3954
-2511:2:3955
-2512:2:3966
-2513:2:3967
-2514:2:3968
-2515:2:3966
-2516:2:3967
-2517:2:3968
-2518:2:3979
-2519:2:3988
-2520:0:4863
-2521:2:3721
-2522:0:4863
-2523:2:3994
-2524:0:4863
-2525:2:4514
-2526:2:4515
-2527:2:4519
-2528:2:4523
-2529:2:4524
-2530:2:4528
-2531:2:4536
-2532:2:4537
-2533:2:4541
-2534:2:4545
-2535:2:4546
-2536:2:4541
-2537:2:4545
-2538:2:4546
-2539:2:4550
-2540:2:4557
-2541:2:4564
-2542:2:4565
-2543:2:4572
-2544:2:4577
-2545:2:4584
-2546:2:4585
-2547:2:4584
-2548:2:4585
-2549:2:4592
-2550:2:4596
-2551:0:4863
-2552:2:3996
-2553:2:4401
-2554:0:4863
-2555:2:3721
-2556:0:4863
-2557:1:1289
-2558:1:1290
-2559:1:1294
-2560:1:1295
-2561:1:1303
-2562:1:1304
-2563:1:1308
-2564:1:1309
-2565:1:1317
-2566:1:1322
-2567:1:1326
-2568:1:1327
-2569:1:1335
-2570:1:1336
-2571:1:1340
-2572:1:1341
-2573:1:1335
-2574:1:1336
-2575:1:1340
-2576:1:1341
-2577:1:1349
-2578:1:1354
-2579:1:1355
-2580:1:1366
-2581:1:1367
-2582:1:1368
-2583:1:1379
-2584:1:1384
-2585:1:1385
-2586:1:1396
-2587:1:1397
-2588:1:1398
-2589:1:1396
-2590:1:1404
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-2592:1:1409
-2593:0:4861
-2594:1:11
-2595:0:4867
-2596:0:4863
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_free_nested.define b/formal-model/results/urcu-controldataflow-ipi/urcu_free_nested.define
deleted file mode 100644
index 0fb59bd..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_free_nested.define
+++ /dev/null
@@ -1 +0,0 @@
-#define READER_NEST_LEVEL 2
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_mb.define b/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_mb.define
deleted file mode 100644
index d99d793..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_mb.define
+++ /dev/null
@@ -1 +0,0 @@
-#define NO_MB
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_mb.log b/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_mb.log
deleted file mode 100644
index 1446ff9..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_mb.log
+++ /dev/null
@@ -1,874 +0,0 @@
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define >> pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_free_no_mb.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1258)
-pan: claim violated! (at depth 1420)
-pan: wrote .input.spin.trail
-
-(Spin Version 5.1.7 -- 23 December 2008)
-Warning: Search not completed
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness disabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 5697, errors: 1
-   552184 states, stored
- 73251405 states, matched
- 73803589 transitions (= stored+matched)
-4.1259494e+08 atomic steps
-hash conflicts:   9982809 (resolved)
-
-Stats on memory usage (in Megabytes):
-   61.086	equivalent memory usage for states (stored*(State-vector + overhead))
-   47.033	actual memory usage for states (compression: 76.99%)
-         	state-vector as stored = 61 byte + 28 byte overhead
-    8.000	memory used for hash table (-w20)
-  457.764	memory used for DFS stack (-m10000000)
-  512.736	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 250, "pan.___", state 34, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 56, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 65, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 81, "(1)"
-	line 231, "pan.___", state 89, "(1)"
-	line 235, "pan.___", state 101, "(1)"
-	line 239, "pan.___", state 109, "(1)"
-	line 395, "pan.___", state 135, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 167, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 181, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 200, "(1)"
-	line 421, "pan.___", state 230, "(1)"
-	line 425, "pan.___", state 243, "(1)"
-	line 679, "pan.___", state 264, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 395, "pan.___", state 271, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 303, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 317, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 336, "(1)"
-	line 421, "pan.___", state 366, "(1)"
-	line 425, "pan.___", state 379, "(1)"
-	line 395, "pan.___", state 400, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 432, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 446, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 465, "(1)"
-	line 421, "pan.___", state 495, "(1)"
-	line 425, "pan.___", state 508, "(1)"
-	line 395, "pan.___", state 531, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 533, "(1)"
-	line 395, "pan.___", state 534, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 534, "else"
-	line 395, "pan.___", state 537, "(1)"
-	line 399, "pan.___", state 545, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 547, "(1)"
-	line 399, "pan.___", state 548, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 548, "else"
-	line 399, "pan.___", state 551, "(1)"
-	line 399, "pan.___", state 552, "(1)"
-	line 399, "pan.___", state 552, "(1)"
-	line 397, "pan.___", state 557, "((i<1))"
-	line 397, "pan.___", state 557, "((i>=1))"
-	line 404, "pan.___", state 563, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 565, "(1)"
-	line 404, "pan.___", state 566, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 566, "else"
-	line 404, "pan.___", state 569, "(1)"
-	line 404, "pan.___", state 570, "(1)"
-	line 404, "pan.___", state 570, "(1)"
-	line 408, "pan.___", state 577, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 579, "(1)"
-	line 408, "pan.___", state 580, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 580, "else"
-	line 408, "pan.___", state 583, "(1)"
-	line 408, "pan.___", state 584, "(1)"
-	line 408, "pan.___", state 584, "(1)"
-	line 406, "pan.___", state 589, "((i<2))"
-	line 406, "pan.___", state 589, "((i>=2))"
-	line 412, "pan.___", state 596, "(1)"
-	line 412, "pan.___", state 597, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 597, "else"
-	line 412, "pan.___", state 600, "(1)"
-	line 412, "pan.___", state 601, "(1)"
-	line 412, "pan.___", state 601, "(1)"
-	line 416, "pan.___", state 609, "(1)"
-	line 416, "pan.___", state 610, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 610, "else"
-	line 416, "pan.___", state 613, "(1)"
-	line 416, "pan.___", state 614, "(1)"
-	line 416, "pan.___", state 614, "(1)"
-	line 414, "pan.___", state 619, "((i<1))"
-	line 414, "pan.___", state 619, "((i>=1))"
-	line 421, "pan.___", state 626, "(1)"
-	line 421, "pan.___", state 627, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 627, "else"
-	line 421, "pan.___", state 630, "(1)"
-	line 421, "pan.___", state 631, "(1)"
-	line 421, "pan.___", state 631, "(1)"
-	line 425, "pan.___", state 639, "(1)"
-	line 425, "pan.___", state 640, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 640, "else"
-	line 425, "pan.___", state 643, "(1)"
-	line 425, "pan.___", state 644, "(1)"
-	line 425, "pan.___", state 644, "(1)"
-	line 423, "pan.___", state 649, "((i<2))"
-	line 423, "pan.___", state 649, "((i>=2))"
-	line 430, "pan.___", state 653, "(1)"
-	line 430, "pan.___", state 653, "(1)"
-	line 679, "pan.___", state 656, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 679, "pan.___", state 657, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 679, "pan.___", state 658, "(1)"
-	line 395, "pan.___", state 665, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 697, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 711, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 730, "(1)"
-	line 421, "pan.___", state 760, "(1)"
-	line 425, "pan.___", state 773, "(1)"
-	line 395, "pan.___", state 801, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 803, "(1)"
-	line 395, "pan.___", state 804, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 804, "else"
-	line 395, "pan.___", state 807, "(1)"
-	line 399, "pan.___", state 815, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 817, "(1)"
-	line 399, "pan.___", state 818, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 818, "else"
-	line 399, "pan.___", state 821, "(1)"
-	line 399, "pan.___", state 822, "(1)"
-	line 399, "pan.___", state 822, "(1)"
-	line 397, "pan.___", state 827, "((i<1))"
-	line 397, "pan.___", state 827, "((i>=1))"
-	line 404, "pan.___", state 833, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 835, "(1)"
-	line 404, "pan.___", state 836, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 836, "else"
-	line 404, "pan.___", state 839, "(1)"
-	line 404, "pan.___", state 840, "(1)"
-	line 404, "pan.___", state 840, "(1)"
-	line 408, "pan.___", state 847, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 849, "(1)"
-	line 408, "pan.___", state 850, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 850, "else"
-	line 408, "pan.___", state 853, "(1)"
-	line 408, "pan.___", state 854, "(1)"
-	line 408, "pan.___", state 854, "(1)"
-	line 406, "pan.___", state 859, "((i<2))"
-	line 406, "pan.___", state 859, "((i>=2))"
-	line 412, "pan.___", state 866, "(1)"
-	line 412, "pan.___", state 867, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 867, "else"
-	line 412, "pan.___", state 870, "(1)"
-	line 412, "pan.___", state 871, "(1)"
-	line 412, "pan.___", state 871, "(1)"
-	line 416, "pan.___", state 879, "(1)"
-	line 416, "pan.___", state 880, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 880, "else"
-	line 416, "pan.___", state 883, "(1)"
-	line 416, "pan.___", state 884, "(1)"
-	line 416, "pan.___", state 884, "(1)"
-	line 414, "pan.___", state 889, "((i<1))"
-	line 414, "pan.___", state 889, "((i>=1))"
-	line 421, "pan.___", state 896, "(1)"
-	line 421, "pan.___", state 897, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 897, "else"
-	line 421, "pan.___", state 900, "(1)"
-	line 421, "pan.___", state 901, "(1)"
-	line 421, "pan.___", state 901, "(1)"
-	line 425, "pan.___", state 909, "(1)"
-	line 425, "pan.___", state 910, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 910, "else"
-	line 425, "pan.___", state 913, "(1)"
-	line 425, "pan.___", state 914, "(1)"
-	line 425, "pan.___", state 914, "(1)"
-	line 430, "pan.___", state 923, "(1)"
-	line 430, "pan.___", state 923, "(1)"
-	line 395, "pan.___", state 930, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 932, "(1)"
-	line 395, "pan.___", state 933, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 933, "else"
-	line 395, "pan.___", state 936, "(1)"
-	line 399, "pan.___", state 944, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 946, "(1)"
-	line 399, "pan.___", state 947, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 947, "else"
-	line 399, "pan.___", state 950, "(1)"
-	line 399, "pan.___", state 951, "(1)"
-	line 399, "pan.___", state 951, "(1)"
-	line 397, "pan.___", state 956, "((i<1))"
-	line 397, "pan.___", state 956, "((i>=1))"
-	line 404, "pan.___", state 962, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 964, "(1)"
-	line 404, "pan.___", state 965, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 965, "else"
-	line 404, "pan.___", state 968, "(1)"
-	line 404, "pan.___", state 969, "(1)"
-	line 404, "pan.___", state 969, "(1)"
-	line 408, "pan.___", state 976, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 978, "(1)"
-	line 408, "pan.___", state 979, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 979, "else"
-	line 408, "pan.___", state 982, "(1)"
-	line 408, "pan.___", state 983, "(1)"
-	line 408, "pan.___", state 983, "(1)"
-	line 406, "pan.___", state 988, "((i<2))"
-	line 406, "pan.___", state 988, "((i>=2))"
-	line 412, "pan.___", state 995, "(1)"
-	line 412, "pan.___", state 996, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 996, "else"
-	line 412, "pan.___", state 999, "(1)"
-	line 412, "pan.___", state 1000, "(1)"
-	line 412, "pan.___", state 1000, "(1)"
-	line 416, "pan.___", state 1008, "(1)"
-	line 416, "pan.___", state 1009, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 1009, "else"
-	line 416, "pan.___", state 1012, "(1)"
-	line 416, "pan.___", state 1013, "(1)"
-	line 416, "pan.___", state 1013, "(1)"
-	line 414, "pan.___", state 1018, "((i<1))"
-	line 414, "pan.___", state 1018, "((i>=1))"
-	line 421, "pan.___", state 1025, "(1)"
-	line 421, "pan.___", state 1026, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 1026, "else"
-	line 421, "pan.___", state 1029, "(1)"
-	line 421, "pan.___", state 1030, "(1)"
-	line 421, "pan.___", state 1030, "(1)"
-	line 425, "pan.___", state 1038, "(1)"
-	line 425, "pan.___", state 1039, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 1039, "else"
-	line 425, "pan.___", state 1042, "(1)"
-	line 425, "pan.___", state 1043, "(1)"
-	line 425, "pan.___", state 1043, "(1)"
-	line 423, "pan.___", state 1048, "((i<2))"
-	line 423, "pan.___", state 1048, "((i>=2))"
-	line 430, "pan.___", state 1052, "(1)"
-	line 430, "pan.___", state 1052, "(1)"
-	line 687, "pan.___", state 1056, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 395, "pan.___", state 1061, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1093, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1107, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1126, "(1)"
-	line 421, "pan.___", state 1156, "(1)"
-	line 425, "pan.___", state 1169, "(1)"
-	line 395, "pan.___", state 1193, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1225, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1239, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1258, "(1)"
-	line 421, "pan.___", state 1288, "(1)"
-	line 425, "pan.___", state 1301, "(1)"
-	line 395, "pan.___", state 1326, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1358, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1372, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1391, "(1)"
-	line 421, "pan.___", state 1421, "(1)"
-	line 425, "pan.___", state 1434, "(1)"
-	line 395, "pan.___", state 1455, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1487, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1501, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1520, "(1)"
-	line 421, "pan.___", state 1550, "(1)"
-	line 425, "pan.___", state 1563, "(1)"
-	line 395, "pan.___", state 1589, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1621, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1635, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1654, "(1)"
-	line 421, "pan.___", state 1684, "(1)"
-	line 425, "pan.___", state 1697, "(1)"
-	line 395, "pan.___", state 1718, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1750, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1764, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1783, "(1)"
-	line 421, "pan.___", state 1813, "(1)"
-	line 425, "pan.___", state 1826, "(1)"
-	line 395, "pan.___", state 1850, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1882, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1896, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1915, "(1)"
-	line 421, "pan.___", state 1945, "(1)"
-	line 425, "pan.___", state 1958, "(1)"
-	line 726, "pan.___", state 1979, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 395, "pan.___", state 1986, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2018, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2032, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2051, "(1)"
-	line 421, "pan.___", state 2081, "(1)"
-	line 425, "pan.___", state 2094, "(1)"
-	line 395, "pan.___", state 2115, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2147, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2161, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2180, "(1)"
-	line 421, "pan.___", state 2210, "(1)"
-	line 425, "pan.___", state 2223, "(1)"
-	line 395, "pan.___", state 2246, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 2248, "(1)"
-	line 395, "pan.___", state 2249, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 2249, "else"
-	line 395, "pan.___", state 2252, "(1)"
-	line 399, "pan.___", state 2260, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2262, "(1)"
-	line 399, "pan.___", state 2263, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 2263, "else"
-	line 399, "pan.___", state 2266, "(1)"
-	line 399, "pan.___", state 2267, "(1)"
-	line 399, "pan.___", state 2267, "(1)"
-	line 397, "pan.___", state 2272, "((i<1))"
-	line 397, "pan.___", state 2272, "((i>=1))"
-	line 404, "pan.___", state 2278, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2280, "(1)"
-	line 404, "pan.___", state 2281, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 2281, "else"
-	line 404, "pan.___", state 2284, "(1)"
-	line 404, "pan.___", state 2285, "(1)"
-	line 404, "pan.___", state 2285, "(1)"
-	line 408, "pan.___", state 2292, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2294, "(1)"
-	line 408, "pan.___", state 2295, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 2295, "else"
-	line 408, "pan.___", state 2298, "(1)"
-	line 408, "pan.___", state 2299, "(1)"
-	line 408, "pan.___", state 2299, "(1)"
-	line 406, "pan.___", state 2304, "((i<2))"
-	line 406, "pan.___", state 2304, "((i>=2))"
-	line 412, "pan.___", state 2311, "(1)"
-	line 412, "pan.___", state 2312, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 2312, "else"
-	line 412, "pan.___", state 2315, "(1)"
-	line 412, "pan.___", state 2316, "(1)"
-	line 412, "pan.___", state 2316, "(1)"
-	line 416, "pan.___", state 2324, "(1)"
-	line 416, "pan.___", state 2325, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 2325, "else"
-	line 416, "pan.___", state 2328, "(1)"
-	line 416, "pan.___", state 2329, "(1)"
-	line 416, "pan.___", state 2329, "(1)"
-	line 414, "pan.___", state 2334, "((i<1))"
-	line 414, "pan.___", state 2334, "((i>=1))"
-	line 421, "pan.___", state 2341, "(1)"
-	line 421, "pan.___", state 2342, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 2342, "else"
-	line 421, "pan.___", state 2345, "(1)"
-	line 421, "pan.___", state 2346, "(1)"
-	line 421, "pan.___", state 2346, "(1)"
-	line 425, "pan.___", state 2354, "(1)"
-	line 425, "pan.___", state 2355, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 2355, "else"
-	line 425, "pan.___", state 2358, "(1)"
-	line 425, "pan.___", state 2359, "(1)"
-	line 425, "pan.___", state 2359, "(1)"
-	line 423, "pan.___", state 2364, "((i<2))"
-	line 423, "pan.___", state 2364, "((i>=2))"
-	line 430, "pan.___", state 2368, "(1)"
-	line 430, "pan.___", state 2368, "(1)"
-	line 726, "pan.___", state 2371, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 726, "pan.___", state 2372, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 726, "pan.___", state 2373, "(1)"
-	line 395, "pan.___", state 2380, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2412, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2426, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2445, "(1)"
-	line 421, "pan.___", state 2475, "(1)"
-	line 425, "pan.___", state 2488, "(1)"
-	line 395, "pan.___", state 2515, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2547, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2561, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2580, "(1)"
-	line 421, "pan.___", state 2610, "(1)"
-	line 425, "pan.___", state 2623, "(1)"
-	line 395, "pan.___", state 2644, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2676, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2690, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2709, "(1)"
-	line 421, "pan.___", state 2739, "(1)"
-	line 425, "pan.___", state 2752, "(1)"
-	line 227, "pan.___", state 2785, "(1)"
-	line 235, "pan.___", state 2805, "(1)"
-	line 239, "pan.___", state 2813, "(1)"
-	line 227, "pan.___", state 2828, "(1)"
-	line 235, "pan.___", state 2848, "(1)"
-	line 239, "pan.___", state 2856, "(1)"
-	line 877, "pan.___", state 2873, "-end-"
-	(278 of 2873 states)
-unreached in proctype urcu_writer
-	line 395, "pan.___", state 20, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 26, "(1)"
-	line 399, "pan.___", state 34, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 40, "(1)"
-	line 399, "pan.___", state 41, "(1)"
-	line 399, "pan.___", state 41, "(1)"
-	line 397, "pan.___", state 46, "((i<1))"
-	line 397, "pan.___", state 46, "((i>=1))"
-	line 404, "pan.___", state 52, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 58, "(1)"
-	line 404, "pan.___", state 59, "(1)"
-	line 404, "pan.___", state 59, "(1)"
-	line 408, "pan.___", state 72, "(1)"
-	line 408, "pan.___", state 73, "(1)"
-	line 408, "pan.___", state 73, "(1)"
-	line 406, "pan.___", state 78, "((i<2))"
-	line 406, "pan.___", state 78, "((i>=2))"
-	line 412, "pan.___", state 85, "(1)"
-	line 412, "pan.___", state 86, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 86, "else"
-	line 412, "pan.___", state 89, "(1)"
-	line 412, "pan.___", state 90, "(1)"
-	line 412, "pan.___", state 90, "(1)"
-	line 416, "pan.___", state 98, "(1)"
-	line 416, "pan.___", state 99, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 99, "else"
-	line 416, "pan.___", state 102, "(1)"
-	line 416, "pan.___", state 103, "(1)"
-	line 416, "pan.___", state 103, "(1)"
-	line 414, "pan.___", state 108, "((i<1))"
-	line 414, "pan.___", state 108, "((i>=1))"
-	line 421, "pan.___", state 115, "(1)"
-	line 421, "pan.___", state 116, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 116, "else"
-	line 421, "pan.___", state 119, "(1)"
-	line 421, "pan.___", state 120, "(1)"
-	line 421, "pan.___", state 120, "(1)"
-	line 425, "pan.___", state 128, "(1)"
-	line 425, "pan.___", state 129, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 129, "else"
-	line 425, "pan.___", state 132, "(1)"
-	line 425, "pan.___", state 133, "(1)"
-	line 425, "pan.___", state 133, "(1)"
-	line 423, "pan.___", state 138, "((i<2))"
-	line 423, "pan.___", state 138, "((i>=2))"
-	line 430, "pan.___", state 142, "(1)"
-	line 430, "pan.___", state 142, "(1)"
-	line 250, "pan.___", state 151, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 160, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 252, "pan.___", state 168, "((i<1))"
-	line 252, "pan.___", state 168, "((i>=1))"
-	line 258, "pan.___", state 173, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 1000, "pan.___", state 201, "old_data = cached_rcu_ptr.val[_pid]"
-	line 1011, "pan.___", state 205, "_proc_urcu_writer = (_proc_urcu_writer|(1<<4))"
-	line 395, "pan.___", state 213, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 219, "(1)"
-	line 399, "pan.___", state 227, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 233, "(1)"
-	line 399, "pan.___", state 234, "(1)"
-	line 399, "pan.___", state 234, "(1)"
-	line 397, "pan.___", state 239, "((i<1))"
-	line 397, "pan.___", state 239, "((i>=1))"
-	line 404, "pan.___", state 247, "(1)"
-	line 404, "pan.___", state 248, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 248, "else"
-	line 404, "pan.___", state 251, "(1)"
-	line 404, "pan.___", state 252, "(1)"
-	line 404, "pan.___", state 252, "(1)"
-	line 408, "pan.___", state 259, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 265, "(1)"
-	line 408, "pan.___", state 266, "(1)"
-	line 408, "pan.___", state 266, "(1)"
-	line 406, "pan.___", state 271, "((i<2))"
-	line 406, "pan.___", state 271, "((i>=2))"
-	line 412, "pan.___", state 278, "(1)"
-	line 412, "pan.___", state 279, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 279, "else"
-	line 412, "pan.___", state 282, "(1)"
-	line 412, "pan.___", state 283, "(1)"
-	line 412, "pan.___", state 283, "(1)"
-	line 416, "pan.___", state 291, "(1)"
-	line 416, "pan.___", state 292, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 292, "else"
-	line 416, "pan.___", state 295, "(1)"
-	line 416, "pan.___", state 296, "(1)"
-	line 416, "pan.___", state 296, "(1)"
-	line 414, "pan.___", state 301, "((i<1))"
-	line 414, "pan.___", state 301, "((i>=1))"
-	line 421, "pan.___", state 308, "(1)"
-	line 421, "pan.___", state 309, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 309, "else"
-	line 421, "pan.___", state 312, "(1)"
-	line 421, "pan.___", state 313, "(1)"
-	line 421, "pan.___", state 313, "(1)"
-	line 425, "pan.___", state 321, "(1)"
-	line 425, "pan.___", state 322, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 322, "else"
-	line 425, "pan.___", state 325, "(1)"
-	line 425, "pan.___", state 326, "(1)"
-	line 425, "pan.___", state 326, "(1)"
-	line 423, "pan.___", state 331, "((i<2))"
-	line 423, "pan.___", state 331, "((i>=2))"
-	line 430, "pan.___", state 335, "(1)"
-	line 430, "pan.___", state 335, "(1)"
-	line 395, "pan.___", state 346, "(1)"
-	line 395, "pan.___", state 347, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 347, "else"
-	line 395, "pan.___", state 350, "(1)"
-	line 399, "pan.___", state 358, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 364, "(1)"
-	line 399, "pan.___", state 365, "(1)"
-	line 399, "pan.___", state 365, "(1)"
-	line 397, "pan.___", state 370, "((i<1))"
-	line 397, "pan.___", state 370, "((i>=1))"
-	line 404, "pan.___", state 376, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 382, "(1)"
-	line 404, "pan.___", state 383, "(1)"
-	line 404, "pan.___", state 383, "(1)"
-	line 408, "pan.___", state 390, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 396, "(1)"
-	line 408, "pan.___", state 397, "(1)"
-	line 408, "pan.___", state 397, "(1)"
-	line 406, "pan.___", state 402, "((i<2))"
-	line 406, "pan.___", state 402, "((i>=2))"
-	line 412, "pan.___", state 409, "(1)"
-	line 412, "pan.___", state 410, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 410, "else"
-	line 412, "pan.___", state 413, "(1)"
-	line 412, "pan.___", state 414, "(1)"
-	line 412, "pan.___", state 414, "(1)"
-	line 416, "pan.___", state 422, "(1)"
-	line 416, "pan.___", state 423, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 423, "else"
-	line 416, "pan.___", state 426, "(1)"
-	line 416, "pan.___", state 427, "(1)"
-	line 416, "pan.___", state 427, "(1)"
-	line 414, "pan.___", state 432, "((i<1))"
-	line 414, "pan.___", state 432, "((i>=1))"
-	line 421, "pan.___", state 439, "(1)"
-	line 421, "pan.___", state 440, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 440, "else"
-	line 421, "pan.___", state 443, "(1)"
-	line 421, "pan.___", state 444, "(1)"
-	line 421, "pan.___", state 444, "(1)"
-	line 425, "pan.___", state 452, "(1)"
-	line 425, "pan.___", state 453, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 453, "else"
-	line 425, "pan.___", state 456, "(1)"
-	line 425, "pan.___", state 457, "(1)"
-	line 425, "pan.___", state 457, "(1)"
-	line 423, "pan.___", state 462, "((i<2))"
-	line 423, "pan.___", state 462, "((i>=2))"
-	line 430, "pan.___", state 466, "(1)"
-	line 430, "pan.___", state 466, "(1)"
-	line 1063, "pan.___", state 477, "_proc_urcu_writer = (_proc_urcu_writer&~(((1<<8)|(1<<7))))"
-	line 395, "pan.___", state 482, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 488, "(1)"
-	line 399, "pan.___", state 496, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 502, "(1)"
-	line 399, "pan.___", state 503, "(1)"
-	line 399, "pan.___", state 503, "(1)"
-	line 397, "pan.___", state 508, "((i<1))"
-	line 397, "pan.___", state 508, "((i>=1))"
-	line 404, "pan.___", state 514, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 520, "(1)"
-	line 404, "pan.___", state 521, "(1)"
-	line 404, "pan.___", state 521, "(1)"
-	line 408, "pan.___", state 528, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 534, "(1)"
-	line 408, "pan.___", state 535, "(1)"
-	line 408, "pan.___", state 535, "(1)"
-	line 406, "pan.___", state 540, "((i<2))"
-	line 406, "pan.___", state 540, "((i>=2))"
-	line 412, "pan.___", state 547, "(1)"
-	line 412, "pan.___", state 548, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 548, "else"
-	line 412, "pan.___", state 551, "(1)"
-	line 412, "pan.___", state 552, "(1)"
-	line 412, "pan.___", state 552, "(1)"
-	line 416, "pan.___", state 560, "(1)"
-	line 416, "pan.___", state 561, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 561, "else"
-	line 416, "pan.___", state 564, "(1)"
-	line 416, "pan.___", state 565, "(1)"
-	line 416, "pan.___", state 565, "(1)"
-	line 414, "pan.___", state 570, "((i<1))"
-	line 414, "pan.___", state 570, "((i>=1))"
-	line 421, "pan.___", state 577, "(1)"
-	line 421, "pan.___", state 578, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 578, "else"
-	line 421, "pan.___", state 581, "(1)"
-	line 421, "pan.___", state 582, "(1)"
-	line 421, "pan.___", state 582, "(1)"
-	line 425, "pan.___", state 590, "(1)"
-	line 425, "pan.___", state 591, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 591, "else"
-	line 425, "pan.___", state 594, "(1)"
-	line 425, "pan.___", state 595, "(1)"
-	line 425, "pan.___", state 595, "(1)"
-	line 430, "pan.___", state 604, "(1)"
-	line 430, "pan.___", state 604, "(1)"
-	line 395, "pan.___", state 611, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 625, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 643, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 676, "(1)"
-	line 416, "pan.___", state 689, "(1)"
-	line 421, "pan.___", state 706, "(1)"
-	line 425, "pan.___", state 719, "(1)"
-	line 399, "pan.___", state 756, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 774, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 788, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 820, "(1)"
-	line 421, "pan.___", state 837, "(1)"
-	line 425, "pan.___", state 850, "(1)"
-	line 1135, "pan.___", state 877, "_proc_urcu_writer = (_proc_urcu_writer|(1<<13))"
-	line 250, "pan.___", state 905, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 907, "(1)"
-	line 254, "pan.___", state 914, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 916, "(1)"
-	line 254, "pan.___", state 917, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 917, "else"
-	line 252, "pan.___", state 922, "((i<1))"
-	line 252, "pan.___", state 922, "((i>=1))"
-	line 258, "pan.___", state 927, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 929, "(1)"
-	line 258, "pan.___", state 930, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 930, "else"
-	line 262, "pan.___", state 936, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 938, "(1)"
-	line 262, "pan.___", state 939, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 939, "else"
-	line 260, "pan.___", state 944, "((i<2))"
-	line 260, "pan.___", state 944, "((i>=2))"
-	line 227, "pan.___", state 952, "(1)"
-	line 231, "pan.___", state 960, "(1)"
-	line 231, "pan.___", state 961, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 961, "else"
-	line 229, "pan.___", state 966, "((i<1))"
-	line 229, "pan.___", state 966, "((i>=1))"
-	line 235, "pan.___", state 972, "(1)"
-	line 235, "pan.___", state 973, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 973, "else"
-	line 239, "pan.___", state 980, "(1)"
-	line 239, "pan.___", state 981, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 981, "else"
-	line 244, "pan.___", state 990, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 990, "else"
-	line 1189, "pan.___", state 1006, "((i<1))"
-	line 1189, "pan.___", state 1006, "((i>=1))"
-	line 250, "pan.___", state 1011, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 1013, "(1)"
-	line 254, "pan.___", state 1020, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1022, "(1)"
-	line 254, "pan.___", state 1023, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 1023, "else"
-	line 252, "pan.___", state 1028, "((i<1))"
-	line 252, "pan.___", state 1028, "((i>=1))"
-	line 258, "pan.___", state 1033, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1035, "(1)"
-	line 258, "pan.___", state 1036, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 1036, "else"
-	line 262, "pan.___", state 1042, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1044, "(1)"
-	line 262, "pan.___", state 1045, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 1045, "else"
-	line 260, "pan.___", state 1050, "((i<2))"
-	line 260, "pan.___", state 1050, "((i>=2))"
-	line 227, "pan.___", state 1058, "(1)"
-	line 231, "pan.___", state 1066, "(1)"
-	line 231, "pan.___", state 1067, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1067, "else"
-	line 229, "pan.___", state 1072, "((i<1))"
-	line 229, "pan.___", state 1072, "((i>=1))"
-	line 235, "pan.___", state 1078, "(1)"
-	line 235, "pan.___", state 1079, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1079, "else"
-	line 239, "pan.___", state 1086, "(1)"
-	line 239, "pan.___", state 1087, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1087, "else"
-	line 244, "pan.___", state 1096, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1096, "else"
-	line 277, "pan.___", state 1098, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 277, "pan.___", state 1098, "else"
-	line 1189, "pan.___", state 1099, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 1189, "pan.___", state 1099, "else"
-	line 250, "pan.___", state 1103, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 1105, "(1)"
-	line 254, "pan.___", state 1112, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1114, "(1)"
-	line 254, "pan.___", state 1115, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 1115, "else"
-	line 252, "pan.___", state 1120, "((i<1))"
-	line 252, "pan.___", state 1120, "((i>=1))"
-	line 258, "pan.___", state 1125, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1127, "(1)"
-	line 258, "pan.___", state 1128, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 1128, "else"
-	line 262, "pan.___", state 1134, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1136, "(1)"
-	line 262, "pan.___", state 1137, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 1137, "else"
-	line 260, "pan.___", state 1142, "((i<2))"
-	line 260, "pan.___", state 1142, "((i>=2))"
-	line 227, "pan.___", state 1150, "(1)"
-	line 231, "pan.___", state 1158, "(1)"
-	line 231, "pan.___", state 1159, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1159, "else"
-	line 229, "pan.___", state 1164, "((i<1))"
-	line 229, "pan.___", state 1164, "((i>=1))"
-	line 235, "pan.___", state 1170, "(1)"
-	line 235, "pan.___", state 1171, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1171, "else"
-	line 239, "pan.___", state 1178, "(1)"
-	line 239, "pan.___", state 1179, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1179, "else"
-	line 244, "pan.___", state 1188, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1188, "else"
-	line 1193, "pan.___", state 1191, "i = 0"
-	line 1193, "pan.___", state 1193, "reader_barrier = 1"
-	line 1193, "pan.___", state 1204, "((i<1))"
-	line 1193, "pan.___", state 1204, "((i>=1))"
-	line 250, "pan.___", state 1209, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 1211, "(1)"
-	line 254, "pan.___", state 1218, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1220, "(1)"
-	line 254, "pan.___", state 1221, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 1221, "else"
-	line 252, "pan.___", state 1226, "((i<1))"
-	line 252, "pan.___", state 1226, "((i>=1))"
-	line 258, "pan.___", state 1231, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1233, "(1)"
-	line 258, "pan.___", state 1234, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 1234, "else"
-	line 262, "pan.___", state 1240, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1242, "(1)"
-	line 262, "pan.___", state 1243, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 1243, "else"
-	line 260, "pan.___", state 1248, "((i<2))"
-	line 260, "pan.___", state 1248, "((i>=2))"
-	line 227, "pan.___", state 1256, "(1)"
-	line 231, "pan.___", state 1264, "(1)"
-	line 231, "pan.___", state 1265, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1265, "else"
-	line 229, "pan.___", state 1270, "((i<1))"
-	line 229, "pan.___", state 1270, "((i>=1))"
-	line 235, "pan.___", state 1276, "(1)"
-	line 235, "pan.___", state 1277, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1277, "else"
-	line 239, "pan.___", state 1284, "(1)"
-	line 239, "pan.___", state 1285, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1285, "else"
-	line 244, "pan.___", state 1294, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1294, "else"
-	line 277, "pan.___", state 1296, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 277, "pan.___", state 1296, "else"
-	line 1193, "pan.___", state 1297, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 1193, "pan.___", state 1297, "else"
-	line 254, "pan.___", state 1310, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1323, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1332, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1348, "(1)"
-	line 231, "pan.___", state 1356, "(1)"
-	line 235, "pan.___", state 1368, "(1)"
-	line 239, "pan.___", state 1376, "(1)"
-	line 250, "pan.___", state 1407, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1416, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1429, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1438, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1454, "(1)"
-	line 231, "pan.___", state 1462, "(1)"
-	line 235, "pan.___", state 1474, "(1)"
-	line 239, "pan.___", state 1482, "(1)"
-	line 250, "pan.___", state 1499, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 1501, "(1)"
-	line 254, "pan.___", state 1508, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1510, "(1)"
-	line 254, "pan.___", state 1511, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 1511, "else"
-	line 252, "pan.___", state 1516, "((i<1))"
-	line 252, "pan.___", state 1516, "((i>=1))"
-	line 258, "pan.___", state 1521, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1523, "(1)"
-	line 258, "pan.___", state 1524, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 1524, "else"
-	line 262, "pan.___", state 1530, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1532, "(1)"
-	line 262, "pan.___", state 1533, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 1533, "else"
-	line 260, "pan.___", state 1538, "((i<2))"
-	line 260, "pan.___", state 1538, "((i>=2))"
-	line 227, "pan.___", state 1546, "(1)"
-	line 231, "pan.___", state 1554, "(1)"
-	line 231, "pan.___", state 1555, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1555, "else"
-	line 229, "pan.___", state 1560, "((i<1))"
-	line 229, "pan.___", state 1560, "((i>=1))"
-	line 235, "pan.___", state 1566, "(1)"
-	line 235, "pan.___", state 1567, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1567, "else"
-	line 239, "pan.___", state 1574, "(1)"
-	line 239, "pan.___", state 1575, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1575, "else"
-	line 244, "pan.___", state 1584, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1584, "else"
-	line 1200, "pan.___", state 1587, "i = 0"
-	line 1200, "pan.___", state 1589, "reader_barrier = 1"
-	line 1200, "pan.___", state 1600, "((i<1))"
-	line 1200, "pan.___", state 1600, "((i>=1))"
-	line 250, "pan.___", state 1605, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 1607, "(1)"
-	line 254, "pan.___", state 1614, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1616, "(1)"
-	line 254, "pan.___", state 1617, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 1617, "else"
-	line 252, "pan.___", state 1622, "((i<1))"
-	line 252, "pan.___", state 1622, "((i>=1))"
-	line 258, "pan.___", state 1627, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1629, "(1)"
-	line 258, "pan.___", state 1630, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 1630, "else"
-	line 262, "pan.___", state 1636, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1638, "(1)"
-	line 262, "pan.___", state 1639, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 1639, "else"
-	line 260, "pan.___", state 1644, "((i<2))"
-	line 260, "pan.___", state 1644, "((i>=2))"
-	line 227, "pan.___", state 1652, "(1)"
-	line 231, "pan.___", state 1660, "(1)"
-	line 231, "pan.___", state 1661, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1661, "else"
-	line 229, "pan.___", state 1666, "((i<1))"
-	line 229, "pan.___", state 1666, "((i>=1))"
-	line 235, "pan.___", state 1672, "(1)"
-	line 235, "pan.___", state 1673, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1673, "else"
-	line 239, "pan.___", state 1680, "(1)"
-	line 239, "pan.___", state 1681, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1681, "else"
-	line 244, "pan.___", state 1690, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1690, "else"
-	line 277, "pan.___", state 1692, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 277, "pan.___", state 1692, "else"
-	line 1200, "pan.___", state 1693, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 1200, "pan.___", state 1693, "else"
-	line 1204, "pan.___", state 1696, "-end-"
-	(310 of 1696 states)
-unreached in proctype :init:
-	line 1215, "pan.___", state 9, "((j<2))"
-	line 1215, "pan.___", state 9, "((j>=2))"
-	line 1216, "pan.___", state 20, "((j<2))"
-	line 1216, "pan.___", state 20, "((j>=2))"
-	line 1221, "pan.___", state 33, "((j<2))"
-	line 1221, "pan.___", state 33, "((j>=2))"
-	line 1219, "pan.___", state 43, "((i<1))"
-	line 1219, "pan.___", state 43, "((i>=1))"
-	line 1229, "pan.___", state 54, "((j<2))"
-	line 1229, "pan.___", state 54, "((j>=2))"
-	line 1233, "pan.___", state 67, "((j<2))"
-	line 1233, "pan.___", state 67, "((j>=2))"
-	(6 of 78 states)
-unreached in proctype :never:
-	line 1263, "pan.___", state 8, "-end-"
-	(1 of 8 states)
-
-pan: elapsed time 92.4 seconds
-pan: rate 5975.3706 states/second
-pan: avg transition delay 1.2521e-06 usec
-cp .input.spin urcu_free_no_mb.spin.input
-cp .input.spin.trail urcu_free_no_mb.spin.input.trail
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_mb.spin.input b/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_mb.spin.input
deleted file mode 100644
index a930be8..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_mb.spin.input
+++ /dev/null
@@ -1,1240 +0,0 @@
-#define NO_MB
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-//#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)
-//#else
-//#define PROGRESS_LABEL(progressid)
-//#endif
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_mb.spin.input.trail b/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_mb.spin.input.trail
deleted file mode 100644
index 582fc24..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_mb.spin.input.trail
+++ /dev/null
@@ -1,1423 +0,0 @@
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-1405:1:2796
-1406:1:2801
-1407:1:2808
-1408:1:2809
-1409:1:2808
-1410:1:2809
-1411:1:2816
-1412:1:2820
-1413:0:4649
-1414:2:3769
-1415:0:4649
-1416:1:1319
-1417:1:1320
-1418:0:4647
-1419:2:3770
-1420:0:4653
-1421:1:2465
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_rmb.define b/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_rmb.define
deleted file mode 100644
index 73e61a4..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_rmb.define
+++ /dev/null
@@ -1 +0,0 @@
-#define NO_RMB
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_rmb.log b/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_rmb.log
deleted file mode 100644
index dd57567..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_rmb.log
+++ /dev/null
@@ -1,581 +0,0 @@
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define >> pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_free_no_rmb.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1258)
-Depth=    7365 States=    1e+06 Transitions= 1.38e+08 Memory=   550.432	t=    168 R=   6e+03
-Depth=    7365 States=    2e+06 Transitions= 4.31e+08 Memory=   634.318	t=    540 R=   4e+03
-pan: claim violated! (at depth 1624)
-pan: wrote .input.spin.trail
-
-(Spin Version 5.1.7 -- 23 December 2008)
-Warning: Search not completed
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness disabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 7365, errors: 1
-  2266036 states, stored
-5.03936e+08 states, matched
-5.0620203e+08 transitions (= stored+matched)
-2.8832147e+09 atomic steps
-hash conflicts: 3.6698737e+08 (resolved)
-
-Stats on memory usage (in Megabytes):
-  250.683	equivalent memory usage for states (stored*(State-vector + overhead))
-  191.039	actual memory usage for states (compression: 76.21%)
-         	state-vector as stored = 60 byte + 28 byte overhead
-    8.000	memory used for hash table (-w20)
-  457.764	memory used for DFS stack (-m10000000)
-  656.682	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 250, "pan.___", state 30, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 52, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 61, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 77, "(1)"
-	line 231, "pan.___", state 85, "(1)"
-	line 235, "pan.___", state 97, "(1)"
-	line 239, "pan.___", state 105, "(1)"
-	line 395, "pan.___", state 131, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 163, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 177, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 196, "(1)"
-	line 421, "pan.___", state 226, "(1)"
-	line 425, "pan.___", state 239, "(1)"
-	line 670, "pan.___", state 260, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 395, "pan.___", state 267, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 299, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 313, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 332, "(1)"
-	line 421, "pan.___", state 362, "(1)"
-	line 425, "pan.___", state 375, "(1)"
-	line 395, "pan.___", state 396, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 428, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 442, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 461, "(1)"
-	line 421, "pan.___", state 491, "(1)"
-	line 425, "pan.___", state 504, "(1)"
-	line 395, "pan.___", state 527, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 529, "(1)"
-	line 395, "pan.___", state 530, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 530, "else"
-	line 395, "pan.___", state 533, "(1)"
-	line 399, "pan.___", state 541, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 543, "(1)"
-	line 399, "pan.___", state 544, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 544, "else"
-	line 399, "pan.___", state 547, "(1)"
-	line 399, "pan.___", state 548, "(1)"
-	line 399, "pan.___", state 548, "(1)"
-	line 397, "pan.___", state 553, "((i<1))"
-	line 397, "pan.___", state 553, "((i>=1))"
-	line 404, "pan.___", state 559, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 561, "(1)"
-	line 404, "pan.___", state 562, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 562, "else"
-	line 404, "pan.___", state 565, "(1)"
-	line 404, "pan.___", state 566, "(1)"
-	line 404, "pan.___", state 566, "(1)"
-	line 408, "pan.___", state 573, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 575, "(1)"
-	line 408, "pan.___", state 576, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 576, "else"
-	line 408, "pan.___", state 579, "(1)"
-	line 408, "pan.___", state 580, "(1)"
-	line 408, "pan.___", state 580, "(1)"
-	line 406, "pan.___", state 585, "((i<2))"
-	line 406, "pan.___", state 585, "((i>=2))"
-	line 412, "pan.___", state 592, "(1)"
-	line 412, "pan.___", state 593, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 593, "else"
-	line 412, "pan.___", state 596, "(1)"
-	line 412, "pan.___", state 597, "(1)"
-	line 412, "pan.___", state 597, "(1)"
-	line 416, "pan.___", state 605, "(1)"
-	line 416, "pan.___", state 606, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 606, "else"
-	line 416, "pan.___", state 609, "(1)"
-	line 416, "pan.___", state 610, "(1)"
-	line 416, "pan.___", state 610, "(1)"
-	line 414, "pan.___", state 615, "((i<1))"
-	line 414, "pan.___", state 615, "((i>=1))"
-	line 421, "pan.___", state 622, "(1)"
-	line 421, "pan.___", state 623, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 623, "else"
-	line 421, "pan.___", state 626, "(1)"
-	line 421, "pan.___", state 627, "(1)"
-	line 421, "pan.___", state 627, "(1)"
-	line 425, "pan.___", state 635, "(1)"
-	line 425, "pan.___", state 636, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 636, "else"
-	line 425, "pan.___", state 639, "(1)"
-	line 425, "pan.___", state 640, "(1)"
-	line 425, "pan.___", state 640, "(1)"
-	line 423, "pan.___", state 645, "((i<2))"
-	line 423, "pan.___", state 645, "((i>=2))"
-	line 430, "pan.___", state 649, "(1)"
-	line 430, "pan.___", state 649, "(1)"
-	line 670, "pan.___", state 652, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 670, "pan.___", state 653, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 670, "pan.___", state 654, "(1)"
-	line 395, "pan.___", state 661, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 693, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 707, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 726, "(1)"
-	line 421, "pan.___", state 756, "(1)"
-	line 425, "pan.___", state 769, "(1)"
-	line 395, "pan.___", state 797, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 799, "(1)"
-	line 395, "pan.___", state 800, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 800, "else"
-	line 395, "pan.___", state 803, "(1)"
-	line 399, "pan.___", state 811, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 813, "(1)"
-	line 399, "pan.___", state 814, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 814, "else"
-	line 399, "pan.___", state 817, "(1)"
-	line 399, "pan.___", state 818, "(1)"
-	line 399, "pan.___", state 818, "(1)"
-	line 397, "pan.___", state 823, "((i<1))"
-	line 397, "pan.___", state 823, "((i>=1))"
-	line 404, "pan.___", state 829, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 831, "(1)"
-	line 404, "pan.___", state 832, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 832, "else"
-	line 404, "pan.___", state 835, "(1)"
-	line 404, "pan.___", state 836, "(1)"
-	line 404, "pan.___", state 836, "(1)"
-	line 408, "pan.___", state 843, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 845, "(1)"
-	line 408, "pan.___", state 846, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 846, "else"
-	line 408, "pan.___", state 849, "(1)"
-	line 408, "pan.___", state 850, "(1)"
-	line 408, "pan.___", state 850, "(1)"
-	line 406, "pan.___", state 855, "((i<2))"
-	line 406, "pan.___", state 855, "((i>=2))"
-	line 412, "pan.___", state 862, "(1)"
-	line 412, "pan.___", state 863, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 863, "else"
-	line 412, "pan.___", state 866, "(1)"
-	line 412, "pan.___", state 867, "(1)"
-	line 412, "pan.___", state 867, "(1)"
-	line 416, "pan.___", state 875, "(1)"
-	line 416, "pan.___", state 876, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 876, "else"
-	line 416, "pan.___", state 879, "(1)"
-	line 416, "pan.___", state 880, "(1)"
-	line 416, "pan.___", state 880, "(1)"
-	line 414, "pan.___", state 885, "((i<1))"
-	line 414, "pan.___", state 885, "((i>=1))"
-	line 421, "pan.___", state 892, "(1)"
-	line 421, "pan.___", state 893, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 893, "else"
-	line 421, "pan.___", state 896, "(1)"
-	line 421, "pan.___", state 897, "(1)"
-	line 421, "pan.___", state 897, "(1)"
-	line 425, "pan.___", state 905, "(1)"
-	line 425, "pan.___", state 906, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 906, "else"
-	line 425, "pan.___", state 909, "(1)"
-	line 425, "pan.___", state 910, "(1)"
-	line 425, "pan.___", state 910, "(1)"
-	line 430, "pan.___", state 919, "(1)"
-	line 430, "pan.___", state 919, "(1)"
-	line 395, "pan.___", state 926, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 928, "(1)"
-	line 395, "pan.___", state 929, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 929, "else"
-	line 395, "pan.___", state 932, "(1)"
-	line 399, "pan.___", state 940, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 942, "(1)"
-	line 399, "pan.___", state 943, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 943, "else"
-	line 399, "pan.___", state 946, "(1)"
-	line 399, "pan.___", state 947, "(1)"
-	line 399, "pan.___", state 947, "(1)"
-	line 397, "pan.___", state 952, "((i<1))"
-	line 397, "pan.___", state 952, "((i>=1))"
-	line 404, "pan.___", state 958, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 960, "(1)"
-	line 404, "pan.___", state 961, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 961, "else"
-	line 404, "pan.___", state 964, "(1)"
-	line 404, "pan.___", state 965, "(1)"
-	line 404, "pan.___", state 965, "(1)"
-	line 408, "pan.___", state 972, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 974, "(1)"
-	line 408, "pan.___", state 975, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 975, "else"
-	line 408, "pan.___", state 978, "(1)"
-	line 408, "pan.___", state 979, "(1)"
-	line 408, "pan.___", state 979, "(1)"
-	line 406, "pan.___", state 984, "((i<2))"
-	line 406, "pan.___", state 984, "((i>=2))"
-	line 412, "pan.___", state 991, "(1)"
-	line 412, "pan.___", state 992, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 992, "else"
-	line 412, "pan.___", state 995, "(1)"
-	line 412, "pan.___", state 996, "(1)"
-	line 412, "pan.___", state 996, "(1)"
-	line 416, "pan.___", state 1004, "(1)"
-	line 416, "pan.___", state 1005, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 1005, "else"
-	line 416, "pan.___", state 1008, "(1)"
-	line 416, "pan.___", state 1009, "(1)"
-	line 416, "pan.___", state 1009, "(1)"
-	line 414, "pan.___", state 1014, "((i<1))"
-	line 414, "pan.___", state 1014, "((i>=1))"
-	line 421, "pan.___", state 1021, "(1)"
-	line 421, "pan.___", state 1022, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 1022, "else"
-	line 421, "pan.___", state 1025, "(1)"
-	line 421, "pan.___", state 1026, "(1)"
-	line 421, "pan.___", state 1026, "(1)"
-	line 425, "pan.___", state 1034, "(1)"
-	line 425, "pan.___", state 1035, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 1035, "else"
-	line 425, "pan.___", state 1038, "(1)"
-	line 425, "pan.___", state 1039, "(1)"
-	line 425, "pan.___", state 1039, "(1)"
-	line 423, "pan.___", state 1044, "((i<2))"
-	line 423, "pan.___", state 1044, "((i>=2))"
-	line 430, "pan.___", state 1048, "(1)"
-	line 430, "pan.___", state 1048, "(1)"
-	line 678, "pan.___", state 1052, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 395, "pan.___", state 1057, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1089, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1103, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1122, "(1)"
-	line 421, "pan.___", state 1152, "(1)"
-	line 425, "pan.___", state 1165, "(1)"
-	line 395, "pan.___", state 1189, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1221, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1235, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1254, "(1)"
-	line 421, "pan.___", state 1284, "(1)"
-	line 425, "pan.___", state 1297, "(1)"
-	line 395, "pan.___", state 1322, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1354, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1368, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1387, "(1)"
-	line 421, "pan.___", state 1417, "(1)"
-	line 425, "pan.___", state 1430, "(1)"
-	line 395, "pan.___", state 1451, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1483, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1497, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1516, "(1)"
-	line 421, "pan.___", state 1546, "(1)"
-	line 425, "pan.___", state 1559, "(1)"
-	line 395, "pan.___", state 1585, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1617, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1631, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1650, "(1)"
-	line 421, "pan.___", state 1680, "(1)"
-	line 425, "pan.___", state 1693, "(1)"
-	line 395, "pan.___", state 1714, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1746, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1760, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1779, "(1)"
-	line 421, "pan.___", state 1809, "(1)"
-	line 425, "pan.___", state 1822, "(1)"
-	line 395, "pan.___", state 1846, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1878, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1892, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1911, "(1)"
-	line 421, "pan.___", state 1941, "(1)"
-	line 425, "pan.___", state 1954, "(1)"
-	line 717, "pan.___", state 1975, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 395, "pan.___", state 1982, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2014, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2028, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2047, "(1)"
-	line 421, "pan.___", state 2077, "(1)"
-	line 425, "pan.___", state 2090, "(1)"
-	line 395, "pan.___", state 2111, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2143, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2157, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2176, "(1)"
-	line 421, "pan.___", state 2206, "(1)"
-	line 425, "pan.___", state 2219, "(1)"
-	line 395, "pan.___", state 2242, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 2244, "(1)"
-	line 395, "pan.___", state 2245, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 2245, "else"
-	line 395, "pan.___", state 2248, "(1)"
-	line 399, "pan.___", state 2256, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2258, "(1)"
-	line 399, "pan.___", state 2259, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 2259, "else"
-	line 399, "pan.___", state 2262, "(1)"
-	line 399, "pan.___", state 2263, "(1)"
-	line 399, "pan.___", state 2263, "(1)"
-	line 397, "pan.___", state 2268, "((i<1))"
-	line 397, "pan.___", state 2268, "((i>=1))"
-	line 404, "pan.___", state 2274, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2276, "(1)"
-	line 404, "pan.___", state 2277, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 2277, "else"
-	line 404, "pan.___", state 2280, "(1)"
-	line 404, "pan.___", state 2281, "(1)"
-	line 404, "pan.___", state 2281, "(1)"
-	line 408, "pan.___", state 2288, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2290, "(1)"
-	line 408, "pan.___", state 2291, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 2291, "else"
-	line 408, "pan.___", state 2294, "(1)"
-	line 408, "pan.___", state 2295, "(1)"
-	line 408, "pan.___", state 2295, "(1)"
-	line 406, "pan.___", state 2300, "((i<2))"
-	line 406, "pan.___", state 2300, "((i>=2))"
-	line 412, "pan.___", state 2307, "(1)"
-	line 412, "pan.___", state 2308, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 2308, "else"
-	line 412, "pan.___", state 2311, "(1)"
-	line 412, "pan.___", state 2312, "(1)"
-	line 412, "pan.___", state 2312, "(1)"
-	line 416, "pan.___", state 2320, "(1)"
-	line 416, "pan.___", state 2321, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 2321, "else"
-	line 416, "pan.___", state 2324, "(1)"
-	line 416, "pan.___", state 2325, "(1)"
-	line 416, "pan.___", state 2325, "(1)"
-	line 414, "pan.___", state 2330, "((i<1))"
-	line 414, "pan.___", state 2330, "((i>=1))"
-	line 421, "pan.___", state 2337, "(1)"
-	line 421, "pan.___", state 2338, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 2338, "else"
-	line 421, "pan.___", state 2341, "(1)"
-	line 421, "pan.___", state 2342, "(1)"
-	line 421, "pan.___", state 2342, "(1)"
-	line 425, "pan.___", state 2350, "(1)"
-	line 425, "pan.___", state 2351, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 2351, "else"
-	line 425, "pan.___", state 2354, "(1)"
-	line 425, "pan.___", state 2355, "(1)"
-	line 425, "pan.___", state 2355, "(1)"
-	line 423, "pan.___", state 2360, "((i<2))"
-	line 423, "pan.___", state 2360, "((i>=2))"
-	line 430, "pan.___", state 2364, "(1)"
-	line 430, "pan.___", state 2364, "(1)"
-	line 717, "pan.___", state 2367, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 717, "pan.___", state 2368, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 717, "pan.___", state 2369, "(1)"
-	line 395, "pan.___", state 2376, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2408, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2422, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2441, "(1)"
-	line 421, "pan.___", state 2471, "(1)"
-	line 425, "pan.___", state 2484, "(1)"
-	line 395, "pan.___", state 2511, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2543, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2557, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2576, "(1)"
-	line 421, "pan.___", state 2606, "(1)"
-	line 425, "pan.___", state 2619, "(1)"
-	line 395, "pan.___", state 2640, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2672, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2686, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2705, "(1)"
-	line 421, "pan.___", state 2735, "(1)"
-	line 425, "pan.___", state 2748, "(1)"
-	line 395, "pan.___", state 2781, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2813, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2827, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2846, "(1)"
-	line 421, "pan.___", state 2876, "(1)"
-	line 425, "pan.___", state 2889, "(1)"
-	line 395, "pan.___", state 2908, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2940, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2954, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2973, "(1)"
-	line 421, "pan.___", state 3003, "(1)"
-	line 425, "pan.___", state 3016, "(1)"
-	line 877, "pan.___", state 3037, "-end-"
-	(284 of 3037 states)
-unreached in proctype urcu_writer
-	line 395, "pan.___", state 18, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 24, "(1)"
-	line 399, "pan.___", state 32, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 38, "(1)"
-	line 399, "pan.___", state 39, "(1)"
-	line 399, "pan.___", state 39, "(1)"
-	line 397, "pan.___", state 44, "((i<1))"
-	line 397, "pan.___", state 44, "((i>=1))"
-	line 404, "pan.___", state 50, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 56, "(1)"
-	line 404, "pan.___", state 57, "(1)"
-	line 404, "pan.___", state 57, "(1)"
-	line 408, "pan.___", state 70, "(1)"
-	line 408, "pan.___", state 71, "(1)"
-	line 408, "pan.___", state 71, "(1)"
-	line 406, "pan.___", state 76, "((i<2))"
-	line 406, "pan.___", state 76, "((i>=2))"
-	line 412, "pan.___", state 83, "(1)"
-	line 412, "pan.___", state 84, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 84, "else"
-	line 412, "pan.___", state 87, "(1)"
-	line 412, "pan.___", state 88, "(1)"
-	line 412, "pan.___", state 88, "(1)"
-	line 416, "pan.___", state 96, "(1)"
-	line 416, "pan.___", state 97, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 97, "else"
-	line 416, "pan.___", state 100, "(1)"
-	line 416, "pan.___", state 101, "(1)"
-	line 416, "pan.___", state 101, "(1)"
-	line 414, "pan.___", state 106, "((i<1))"
-	line 414, "pan.___", state 106, "((i>=1))"
-	line 421, "pan.___", state 113, "(1)"
-	line 421, "pan.___", state 114, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 114, "else"
-	line 421, "pan.___", state 117, "(1)"
-	line 421, "pan.___", state 118, "(1)"
-	line 421, "pan.___", state 118, "(1)"
-	line 425, "pan.___", state 126, "(1)"
-	line 425, "pan.___", state 127, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 127, "else"
-	line 425, "pan.___", state 130, "(1)"
-	line 425, "pan.___", state 131, "(1)"
-	line 425, "pan.___", state 131, "(1)"
-	line 423, "pan.___", state 136, "((i<2))"
-	line 423, "pan.___", state 136, "((i>=2))"
-	line 430, "pan.___", state 140, "(1)"
-	line 430, "pan.___", state 140, "(1)"
-	line 250, "pan.___", state 149, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 158, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 171, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 211, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 225, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 243, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 257, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 276, "(1)"
-	line 416, "pan.___", state 289, "(1)"
-	line 421, "pan.___", state 306, "(1)"
-	line 425, "pan.___", state 319, "(1)"
-	line 399, "pan.___", state 356, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 374, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 388, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 420, "(1)"
-	line 421, "pan.___", state 437, "(1)"
-	line 425, "pan.___", state 450, "(1)"
-	line 399, "pan.___", state 494, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 512, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 526, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 558, "(1)"
-	line 421, "pan.___", state 575, "(1)"
-	line 425, "pan.___", state 588, "(1)"
-	line 399, "pan.___", state 623, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 641, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 655, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 687, "(1)"
-	line 421, "pan.___", state 704, "(1)"
-	line 425, "pan.___", state 717, "(1)"
-	line 399, "pan.___", state 754, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 772, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 786, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 818, "(1)"
-	line 421, "pan.___", state 835, "(1)"
-	line 425, "pan.___", state 848, "(1)"
-	line 250, "pan.___", state 903, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 912, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 927, "(1)"
-	line 262, "pan.___", state 934, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 950, "(1)"
-	line 231, "pan.___", state 958, "(1)"
-	line 235, "pan.___", state 970, "(1)"
-	line 239, "pan.___", state 978, "(1)"
-	line 250, "pan.___", state 1009, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1018, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1031, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1040, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1056, "(1)"
-	line 231, "pan.___", state 1064, "(1)"
-	line 235, "pan.___", state 1076, "(1)"
-	line 239, "pan.___", state 1084, "(1)"
-	line 254, "pan.___", state 1110, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1123, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1132, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1148, "(1)"
-	line 231, "pan.___", state 1156, "(1)"
-	line 235, "pan.___", state 1168, "(1)"
-	line 239, "pan.___", state 1176, "(1)"
-	line 250, "pan.___", state 1207, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1216, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1229, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1238, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1254, "(1)"
-	line 231, "pan.___", state 1262, "(1)"
-	line 235, "pan.___", state 1274, "(1)"
-	line 239, "pan.___", state 1282, "(1)"
-	line 254, "pan.___", state 1308, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1321, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1330, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1346, "(1)"
-	line 231, "pan.___", state 1354, "(1)"
-	line 235, "pan.___", state 1366, "(1)"
-	line 239, "pan.___", state 1374, "(1)"
-	line 250, "pan.___", state 1405, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1414, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1427, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1436, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1452, "(1)"
-	line 231, "pan.___", state 1460, "(1)"
-	line 235, "pan.___", state 1472, "(1)"
-	line 239, "pan.___", state 1480, "(1)"
-	line 254, "pan.___", state 1506, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1519, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1528, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1544, "(1)"
-	line 231, "pan.___", state 1552, "(1)"
-	line 235, "pan.___", state 1564, "(1)"
-	line 239, "pan.___", state 1572, "(1)"
-	line 250, "pan.___", state 1603, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1612, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1625, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1634, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1650, "(1)"
-	line 231, "pan.___", state 1658, "(1)"
-	line 235, "pan.___", state 1670, "(1)"
-	line 239, "pan.___", state 1678, "(1)"
-	line 1204, "pan.___", state 1694, "-end-"
-	(128 of 1694 states)
-unreached in proctype :init:
-	line 1215, "pan.___", state 9, "((j<2))"
-	line 1215, "pan.___", state 9, "((j>=2))"
-	line 1216, "pan.___", state 20, "((j<2))"
-	line 1216, "pan.___", state 20, "((j>=2))"
-	line 1221, "pan.___", state 33, "((j<2))"
-	line 1221, "pan.___", state 33, "((j>=2))"
-	line 1219, "pan.___", state 43, "((i<1))"
-	line 1219, "pan.___", state 43, "((i>=1))"
-	line 1229, "pan.___", state 54, "((j<2))"
-	line 1229, "pan.___", state 54, "((j>=2))"
-	line 1233, "pan.___", state 67, "((j<2))"
-	line 1233, "pan.___", state 67, "((j>=2))"
-	(6 of 78 states)
-unreached in proctype :never:
-	line 1263, "pan.___", state 8, "-end-"
-	(1 of 8 states)
-
-pan: elapsed time 638 seconds
-pan: rate  3551.057 states/second
-pan: avg transition delay 1.2606e-06 usec
-cp .input.spin urcu_free_no_rmb.spin.input
-cp .input.spin.trail urcu_free_no_rmb.spin.input.trail
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_rmb.spin.input b/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_rmb.spin.input
deleted file mode 100644
index f653370..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_rmb.spin.input
+++ /dev/null
@@ -1,1240 +0,0 @@
-#define NO_RMB
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-//#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)
-//#else
-//#define PROGRESS_LABEL(progressid)
-//#endif
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_rmb.spin.input.trail b/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_rmb.spin.input.trail
deleted file mode 100644
index ad65225..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_rmb.spin.input.trail
+++ /dev/null
@@ -1,1627 +0,0 @@
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-1564:0:4811
-1565:2:4031
-1566:0:4811
-1567:1:118
-1568:0:4811
-1569:1:120
-1570:0:4811
-1571:2:4030
-1572:0:4811
-1573:1:19
-1574:0:4811
-1575:2:4031
-1576:0:4811
-1577:1:1313
-1578:0:4811
-1579:2:4030
-1580:0:4811
-1581:1:2777
-1582:1:2781
-1583:1:2782
-1584:1:2790
-1585:1:2791
-1586:1:2795
-1587:1:2796
-1588:1:2804
-1589:1:2809
-1590:1:2813
-1591:1:2814
-1592:1:2822
-1593:1:2823
-1594:1:2827
-1595:1:2828
-1596:1:2822
-1597:1:2823
-1598:1:2827
-1599:1:2828
-1600:1:2836
-1601:1:2841
-1602:1:2842
-1603:1:2853
-1604:1:2854
-1605:1:2855
-1606:1:2866
-1607:1:2871
-1608:1:2872
-1609:1:2883
-1610:1:2884
-1611:1:2885
-1612:1:2883
-1613:1:2891
-1614:1:2892
-1615:1:2896
-1616:1:2900
-1617:0:4811
-1618:2:4031
-1619:0:4811
-1620:1:1315
-1621:1:1316
-1622:0:4809
-1623:1:15
-1624:0:4815
-1625:1:120
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_wmb.define b/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_wmb.define
deleted file mode 100644
index 710f29d..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_wmb.define
+++ /dev/null
@@ -1 +0,0 @@
-#define NO_WMB
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_wmb.log b/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_wmb.log
deleted file mode 100644
index c8da68c..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_wmb.log
+++ /dev/null
@@ -1,560 +0,0 @@
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define >> pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_free_no_wmb.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1258)
-Depth=    7141 States=    1e+06 Transitions= 1.25e+08 Memory=   550.432	t=    155 R=   6e+03
-Depth=    7141 States=    2e+06 Transitions= 4.09e+08 Memory=   634.318	t=    526 R=   4e+03
-Depth=    7141 States=    3e+06 Transitions= 5.78e+08 Memory=   718.303	t=    751 R=   4e+03
-pan: resizing hashtable to -w22..  done
-Depth=    7141 States=    4e+06 Transitions= 8.27e+08 Memory=   833.311	t= 1.07e+03 R=   4e+03
-Depth=    7141 States=    5e+06 Transitions= 1.08e+09 Memory=   917.295	t= 1.39e+03 R=   4e+03
-Depth=    7141 States=    6e+06 Transitions= 1.57e+09 Memory=  1001.279	t= 2.04e+03 R=   3e+03
-Depth=    7141 States=    7e+06 Transitions= 1.97e+09 Memory=  1085.264	t= 2.58e+03 R=   3e+03
-Depth=    7141 States=    8e+06 Transitions= 2.31e+09 Memory=  1169.151	t= 3.03e+03 R=   3e+03
-Depth=    7141 States=    9e+06 Transitions= 2.62e+09 Memory=  1253.135	t= 3.44e+03 R=   3e+03
-pan: resizing hashtable to -w24..  done
-Depth=    7141 States=    1e+07 Transitions= 2.83e+09 Memory=  1461.115	t= 3.72e+03 R=   3e+03
-Depth=    7141 States=  1.1e+07 Transitions= 3.05e+09 Memory=  1545.100	t= 3.99e+03 R=   3e+03
-Depth=    7141 States=  1.2e+07 Transitions= 3.25e+09 Memory=  1629.084	t= 4.25e+03 R=   3e+03
-Depth=    7141 States=  1.3e+07 Transitions= 3.55e+09 Memory=  1713.068	t= 4.64e+03 R=   3e+03
-Depth=    7141 States=  1.4e+07 Transitions= 3.84e+09 Memory=  1797.053	t= 5.01e+03 R=   3e+03
-Depth=    7141 States=  1.5e+07 Transitions= 3.96e+09 Memory=  1881.037	t= 5.17e+03 R=   3e+03
-pan: claim violated! (at depth 1482)
-pan: wrote .input.spin.trail
-
-(Spin Version 5.1.7 -- 23 December 2008)
-Warning: Search not completed
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness disabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 7141, errors: 1
- 15755160 states, stored
-4.1726493e+09 states, matched
-4.1884045e+09 transitions (= stored+matched)
-2.431858e+10 atomic steps
-hash conflicts: 2.849112e+09 (resolved)
-
-Stats on memory usage (in Megabytes):
- 1742.934	equivalent memory usage for states (stored*(State-vector + overhead))
- 1359.449	actual memory usage for states (compression: 78.00%)
-         	state-vector as stored = 62 byte + 28 byte overhead
-  128.000	memory used for hash table (-w24)
-  457.764	memory used for DFS stack (-m10000000)
- 1944.416	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 250, "pan.___", state 30, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 52, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 61, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 77, "(1)"
-	line 231, "pan.___", state 85, "(1)"
-	line 235, "pan.___", state 97, "(1)"
-	line 239, "pan.___", state 105, "(1)"
-	line 395, "pan.___", state 131, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 163, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 177, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 196, "(1)"
-	line 421, "pan.___", state 226, "(1)"
-	line 425, "pan.___", state 239, "(1)"
-	line 670, "pan.___", state 260, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 395, "pan.___", state 267, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 299, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 313, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 332, "(1)"
-	line 421, "pan.___", state 362, "(1)"
-	line 425, "pan.___", state 375, "(1)"
-	line 395, "pan.___", state 396, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 428, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 442, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 461, "(1)"
-	line 421, "pan.___", state 491, "(1)"
-	line 425, "pan.___", state 504, "(1)"
-	line 395, "pan.___", state 527, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 529, "(1)"
-	line 395, "pan.___", state 530, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 530, "else"
-	line 395, "pan.___", state 533, "(1)"
-	line 399, "pan.___", state 541, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 543, "(1)"
-	line 399, "pan.___", state 544, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 544, "else"
-	line 399, "pan.___", state 547, "(1)"
-	line 399, "pan.___", state 548, "(1)"
-	line 399, "pan.___", state 548, "(1)"
-	line 397, "pan.___", state 553, "((i<1))"
-	line 397, "pan.___", state 553, "((i>=1))"
-	line 404, "pan.___", state 559, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 561, "(1)"
-	line 404, "pan.___", state 562, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 562, "else"
-	line 404, "pan.___", state 565, "(1)"
-	line 404, "pan.___", state 566, "(1)"
-	line 404, "pan.___", state 566, "(1)"
-	line 408, "pan.___", state 573, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 575, "(1)"
-	line 408, "pan.___", state 576, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 576, "else"
-	line 408, "pan.___", state 579, "(1)"
-	line 408, "pan.___", state 580, "(1)"
-	line 408, "pan.___", state 580, "(1)"
-	line 406, "pan.___", state 585, "((i<2))"
-	line 406, "pan.___", state 585, "((i>=2))"
-	line 412, "pan.___", state 592, "(1)"
-	line 412, "pan.___", state 593, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 593, "else"
-	line 412, "pan.___", state 596, "(1)"
-	line 412, "pan.___", state 597, "(1)"
-	line 412, "pan.___", state 597, "(1)"
-	line 416, "pan.___", state 605, "(1)"
-	line 416, "pan.___", state 606, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 606, "else"
-	line 416, "pan.___", state 609, "(1)"
-	line 416, "pan.___", state 610, "(1)"
-	line 416, "pan.___", state 610, "(1)"
-	line 414, "pan.___", state 615, "((i<1))"
-	line 414, "pan.___", state 615, "((i>=1))"
-	line 421, "pan.___", state 622, "(1)"
-	line 421, "pan.___", state 623, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 623, "else"
-	line 421, "pan.___", state 626, "(1)"
-	line 421, "pan.___", state 627, "(1)"
-	line 421, "pan.___", state 627, "(1)"
-	line 425, "pan.___", state 635, "(1)"
-	line 425, "pan.___", state 636, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 636, "else"
-	line 425, "pan.___", state 639, "(1)"
-	line 425, "pan.___", state 640, "(1)"
-	line 425, "pan.___", state 640, "(1)"
-	line 423, "pan.___", state 645, "((i<2))"
-	line 423, "pan.___", state 645, "((i>=2))"
-	line 430, "pan.___", state 649, "(1)"
-	line 430, "pan.___", state 649, "(1)"
-	line 670, "pan.___", state 652, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 670, "pan.___", state 653, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 670, "pan.___", state 654, "(1)"
-	line 395, "pan.___", state 661, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 693, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 707, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 726, "(1)"
-	line 421, "pan.___", state 756, "(1)"
-	line 425, "pan.___", state 769, "(1)"
-	line 395, "pan.___", state 797, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 799, "(1)"
-	line 395, "pan.___", state 800, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 800, "else"
-	line 395, "pan.___", state 803, "(1)"
-	line 399, "pan.___", state 811, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 813, "(1)"
-	line 399, "pan.___", state 814, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 814, "else"
-	line 399, "pan.___", state 817, "(1)"
-	line 399, "pan.___", state 818, "(1)"
-	line 399, "pan.___", state 818, "(1)"
-	line 397, "pan.___", state 823, "((i<1))"
-	line 397, "pan.___", state 823, "((i>=1))"
-	line 404, "pan.___", state 829, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 831, "(1)"
-	line 404, "pan.___", state 832, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 832, "else"
-	line 404, "pan.___", state 835, "(1)"
-	line 404, "pan.___", state 836, "(1)"
-	line 404, "pan.___", state 836, "(1)"
-	line 408, "pan.___", state 843, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 845, "(1)"
-	line 408, "pan.___", state 846, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 846, "else"
-	line 408, "pan.___", state 849, "(1)"
-	line 408, "pan.___", state 850, "(1)"
-	line 408, "pan.___", state 850, "(1)"
-	line 406, "pan.___", state 855, "((i<2))"
-	line 406, "pan.___", state 855, "((i>=2))"
-	line 412, "pan.___", state 862, "(1)"
-	line 412, "pan.___", state 863, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 863, "else"
-	line 412, "pan.___", state 866, "(1)"
-	line 412, "pan.___", state 867, "(1)"
-	line 412, "pan.___", state 867, "(1)"
-	line 416, "pan.___", state 875, "(1)"
-	line 416, "pan.___", state 876, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 876, "else"
-	line 416, "pan.___", state 879, "(1)"
-	line 416, "pan.___", state 880, "(1)"
-	line 416, "pan.___", state 880, "(1)"
-	line 414, "pan.___", state 885, "((i<1))"
-	line 414, "pan.___", state 885, "((i>=1))"
-	line 421, "pan.___", state 892, "(1)"
-	line 421, "pan.___", state 893, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 893, "else"
-	line 421, "pan.___", state 896, "(1)"
-	line 421, "pan.___", state 897, "(1)"
-	line 421, "pan.___", state 897, "(1)"
-	line 425, "pan.___", state 905, "(1)"
-	line 425, "pan.___", state 906, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 906, "else"
-	line 425, "pan.___", state 909, "(1)"
-	line 425, "pan.___", state 910, "(1)"
-	line 425, "pan.___", state 910, "(1)"
-	line 430, "pan.___", state 919, "(1)"
-	line 430, "pan.___", state 919, "(1)"
-	line 395, "pan.___", state 926, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 928, "(1)"
-	line 395, "pan.___", state 929, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 929, "else"
-	line 395, "pan.___", state 932, "(1)"
-	line 399, "pan.___", state 940, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 942, "(1)"
-	line 399, "pan.___", state 943, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 943, "else"
-	line 399, "pan.___", state 946, "(1)"
-	line 399, "pan.___", state 947, "(1)"
-	line 399, "pan.___", state 947, "(1)"
-	line 397, "pan.___", state 952, "((i<1))"
-	line 397, "pan.___", state 952, "((i>=1))"
-	line 404, "pan.___", state 958, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 960, "(1)"
-	line 404, "pan.___", state 961, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 961, "else"
-	line 404, "pan.___", state 964, "(1)"
-	line 404, "pan.___", state 965, "(1)"
-	line 404, "pan.___", state 965, "(1)"
-	line 408, "pan.___", state 972, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 974, "(1)"
-	line 408, "pan.___", state 975, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 975, "else"
-	line 408, "pan.___", state 978, "(1)"
-	line 408, "pan.___", state 979, "(1)"
-	line 408, "pan.___", state 979, "(1)"
-	line 406, "pan.___", state 984, "((i<2))"
-	line 406, "pan.___", state 984, "((i>=2))"
-	line 412, "pan.___", state 991, "(1)"
-	line 412, "pan.___", state 992, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 992, "else"
-	line 412, "pan.___", state 995, "(1)"
-	line 412, "pan.___", state 996, "(1)"
-	line 412, "pan.___", state 996, "(1)"
-	line 416, "pan.___", state 1004, "(1)"
-	line 416, "pan.___", state 1005, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 1005, "else"
-	line 416, "pan.___", state 1008, "(1)"
-	line 416, "pan.___", state 1009, "(1)"
-	line 416, "pan.___", state 1009, "(1)"
-	line 414, "pan.___", state 1014, "((i<1))"
-	line 414, "pan.___", state 1014, "((i>=1))"
-	line 421, "pan.___", state 1021, "(1)"
-	line 421, "pan.___", state 1022, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 1022, "else"
-	line 421, "pan.___", state 1025, "(1)"
-	line 421, "pan.___", state 1026, "(1)"
-	line 421, "pan.___", state 1026, "(1)"
-	line 425, "pan.___", state 1034, "(1)"
-	line 425, "pan.___", state 1035, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 1035, "else"
-	line 425, "pan.___", state 1038, "(1)"
-	line 425, "pan.___", state 1039, "(1)"
-	line 425, "pan.___", state 1039, "(1)"
-	line 423, "pan.___", state 1044, "((i<2))"
-	line 423, "pan.___", state 1044, "((i>=2))"
-	line 430, "pan.___", state 1048, "(1)"
-	line 430, "pan.___", state 1048, "(1)"
-	line 678, "pan.___", state 1052, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 395, "pan.___", state 1057, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1089, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1103, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1122, "(1)"
-	line 421, "pan.___", state 1152, "(1)"
-	line 425, "pan.___", state 1165, "(1)"
-	line 395, "pan.___", state 1189, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1221, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1235, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1254, "(1)"
-	line 421, "pan.___", state 1284, "(1)"
-	line 425, "pan.___", state 1297, "(1)"
-	line 395, "pan.___", state 1322, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1354, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1368, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1387, "(1)"
-	line 421, "pan.___", state 1417, "(1)"
-	line 425, "pan.___", state 1430, "(1)"
-	line 395, "pan.___", state 1451, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1483, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1497, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1516, "(1)"
-	line 421, "pan.___", state 1546, "(1)"
-	line 425, "pan.___", state 1559, "(1)"
-	line 395, "pan.___", state 1585, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1617, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1631, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1650, "(1)"
-	line 421, "pan.___", state 1680, "(1)"
-	line 425, "pan.___", state 1693, "(1)"
-	line 395, "pan.___", state 1714, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1746, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1760, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1779, "(1)"
-	line 421, "pan.___", state 1809, "(1)"
-	line 425, "pan.___", state 1822, "(1)"
-	line 395, "pan.___", state 1846, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1878, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1892, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1911, "(1)"
-	line 421, "pan.___", state 1941, "(1)"
-	line 425, "pan.___", state 1954, "(1)"
-	line 717, "pan.___", state 1975, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 395, "pan.___", state 1982, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2014, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2028, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2047, "(1)"
-	line 421, "pan.___", state 2077, "(1)"
-	line 425, "pan.___", state 2090, "(1)"
-	line 395, "pan.___", state 2111, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2143, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2157, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2176, "(1)"
-	line 421, "pan.___", state 2206, "(1)"
-	line 425, "pan.___", state 2219, "(1)"
-	line 395, "pan.___", state 2242, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 2244, "(1)"
-	line 395, "pan.___", state 2245, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 2245, "else"
-	line 395, "pan.___", state 2248, "(1)"
-	line 399, "pan.___", state 2256, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2258, "(1)"
-	line 399, "pan.___", state 2259, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 2259, "else"
-	line 399, "pan.___", state 2262, "(1)"
-	line 399, "pan.___", state 2263, "(1)"
-	line 399, "pan.___", state 2263, "(1)"
-	line 397, "pan.___", state 2268, "((i<1))"
-	line 397, "pan.___", state 2268, "((i>=1))"
-	line 404, "pan.___", state 2274, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2276, "(1)"
-	line 404, "pan.___", state 2277, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 2277, "else"
-	line 404, "pan.___", state 2280, "(1)"
-	line 404, "pan.___", state 2281, "(1)"
-	line 404, "pan.___", state 2281, "(1)"
-	line 408, "pan.___", state 2288, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2290, "(1)"
-	line 408, "pan.___", state 2291, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 2291, "else"
-	line 408, "pan.___", state 2294, "(1)"
-	line 408, "pan.___", state 2295, "(1)"
-	line 408, "pan.___", state 2295, "(1)"
-	line 406, "pan.___", state 2300, "((i<2))"
-	line 406, "pan.___", state 2300, "((i>=2))"
-	line 412, "pan.___", state 2307, "(1)"
-	line 412, "pan.___", state 2308, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 2308, "else"
-	line 412, "pan.___", state 2311, "(1)"
-	line 412, "pan.___", state 2312, "(1)"
-	line 412, "pan.___", state 2312, "(1)"
-	line 416, "pan.___", state 2320, "(1)"
-	line 416, "pan.___", state 2321, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 2321, "else"
-	line 416, "pan.___", state 2324, "(1)"
-	line 416, "pan.___", state 2325, "(1)"
-	line 416, "pan.___", state 2325, "(1)"
-	line 414, "pan.___", state 2330, "((i<1))"
-	line 414, "pan.___", state 2330, "((i>=1))"
-	line 421, "pan.___", state 2337, "(1)"
-	line 421, "pan.___", state 2338, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 2338, "else"
-	line 421, "pan.___", state 2341, "(1)"
-	line 421, "pan.___", state 2342, "(1)"
-	line 421, "pan.___", state 2342, "(1)"
-	line 425, "pan.___", state 2350, "(1)"
-	line 425, "pan.___", state 2351, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 2351, "else"
-	line 425, "pan.___", state 2354, "(1)"
-	line 425, "pan.___", state 2355, "(1)"
-	line 425, "pan.___", state 2355, "(1)"
-	line 423, "pan.___", state 2360, "((i<2))"
-	line 423, "pan.___", state 2360, "((i>=2))"
-	line 430, "pan.___", state 2364, "(1)"
-	line 430, "pan.___", state 2364, "(1)"
-	line 717, "pan.___", state 2367, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 717, "pan.___", state 2368, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 717, "pan.___", state 2369, "(1)"
-	line 395, "pan.___", state 2376, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2408, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2422, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2441, "(1)"
-	line 421, "pan.___", state 2471, "(1)"
-	line 425, "pan.___", state 2484, "(1)"
-	line 395, "pan.___", state 2511, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2543, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2557, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2576, "(1)"
-	line 421, "pan.___", state 2606, "(1)"
-	line 425, "pan.___", state 2619, "(1)"
-	line 395, "pan.___", state 2640, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2672, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2686, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2705, "(1)"
-	line 421, "pan.___", state 2735, "(1)"
-	line 425, "pan.___", state 2748, "(1)"
-	line 227, "pan.___", state 2781, "(1)"
-	line 235, "pan.___", state 2801, "(1)"
-	line 239, "pan.___", state 2809, "(1)"
-	line 227, "pan.___", state 2824, "(1)"
-	line 235, "pan.___", state 2844, "(1)"
-	line 239, "pan.___", state 2852, "(1)"
-	line 877, "pan.___", state 2869, "-end-"
-	(278 of 2869 states)
-unreached in proctype urcu_writer
-	line 395, "pan.___", state 19, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 33, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 84, "(1)"
-	line 416, "pan.___", state 97, "(1)"
-	line 250, "pan.___", state 150, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 152, "(1)"
-	line 254, "pan.___", state 159, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 161, "(1)"
-	line 254, "pan.___", state 162, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 162, "else"
-	line 252, "pan.___", state 167, "((i<1))"
-	line 252, "pan.___", state 167, "((i>=1))"
-	line 258, "pan.___", state 172, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 174, "(1)"
-	line 258, "pan.___", state 175, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 175, "else"
-	line 262, "pan.___", state 181, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 183, "(1)"
-	line 262, "pan.___", state 184, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 184, "else"
-	line 267, "pan.___", state 193, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 267, "pan.___", state 193, "else"
-	line 395, "pan.___", state 212, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 226, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 244, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 258, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 277, "(1)"
-	line 416, "pan.___", state 290, "(1)"
-	line 421, "pan.___", state 307, "(1)"
-	line 425, "pan.___", state 320, "(1)"
-	line 399, "pan.___", state 357, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 375, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 389, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 421, "(1)"
-	line 421, "pan.___", state 438, "(1)"
-	line 425, "pan.___", state 451, "(1)"
-	line 399, "pan.___", state 495, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 513, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 527, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 559, "(1)"
-	line 421, "pan.___", state 576, "(1)"
-	line 425, "pan.___", state 589, "(1)"
-	line 399, "pan.___", state 624, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 642, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 656, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 688, "(1)"
-	line 421, "pan.___", state 705, "(1)"
-	line 425, "pan.___", state 718, "(1)"
-	line 399, "pan.___", state 755, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 773, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 787, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 819, "(1)"
-	line 421, "pan.___", state 836, "(1)"
-	line 425, "pan.___", state 849, "(1)"
-	line 250, "pan.___", state 904, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 913, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 951, "(1)"
-	line 231, "pan.___", state 959, "(1)"
-	line 235, "pan.___", state 971, "(1)"
-	line 239, "pan.___", state 979, "(1)"
-	line 250, "pan.___", state 1010, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1019, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1032, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1041, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1057, "(1)"
-	line 231, "pan.___", state 1065, "(1)"
-	line 235, "pan.___", state 1077, "(1)"
-	line 239, "pan.___", state 1085, "(1)"
-	line 254, "pan.___", state 1111, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1124, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1133, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1149, "(1)"
-	line 231, "pan.___", state 1157, "(1)"
-	line 235, "pan.___", state 1169, "(1)"
-	line 239, "pan.___", state 1177, "(1)"
-	line 250, "pan.___", state 1208, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1217, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1230, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1239, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1255, "(1)"
-	line 231, "pan.___", state 1263, "(1)"
-	line 235, "pan.___", state 1275, "(1)"
-	line 239, "pan.___", state 1283, "(1)"
-	line 254, "pan.___", state 1309, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1322, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1331, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1347, "(1)"
-	line 231, "pan.___", state 1355, "(1)"
-	line 235, "pan.___", state 1367, "(1)"
-	line 239, "pan.___", state 1375, "(1)"
-	line 250, "pan.___", state 1406, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1415, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1428, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1437, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1453, "(1)"
-	line 231, "pan.___", state 1461, "(1)"
-	line 235, "pan.___", state 1473, "(1)"
-	line 239, "pan.___", state 1481, "(1)"
-	line 254, "pan.___", state 1507, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1520, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1529, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1545, "(1)"
-	line 231, "pan.___", state 1553, "(1)"
-	line 235, "pan.___", state 1565, "(1)"
-	line 239, "pan.___", state 1573, "(1)"
-	line 250, "pan.___", state 1604, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1613, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1626, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1635, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1651, "(1)"
-	line 231, "pan.___", state 1659, "(1)"
-	line 235, "pan.___", state 1671, "(1)"
-	line 239, "pan.___", state 1679, "(1)"
-	line 1204, "pan.___", state 1695, "-end-"
-	(109 of 1695 states)
-unreached in proctype :init:
-	line 1215, "pan.___", state 9, "((j<2))"
-	line 1215, "pan.___", state 9, "((j>=2))"
-	line 1216, "pan.___", state 20, "((j<2))"
-	line 1216, "pan.___", state 20, "((j>=2))"
-	line 1221, "pan.___", state 33, "((j<2))"
-	line 1221, "pan.___", state 33, "((j>=2))"
-	line 1219, "pan.___", state 43, "((i<1))"
-	line 1219, "pan.___", state 43, "((i>=1))"
-	line 1229, "pan.___", state 54, "((j<2))"
-	line 1229, "pan.___", state 54, "((j>=2))"
-	line 1233, "pan.___", state 67, "((j<2))"
-	line 1233, "pan.___", state 67, "((j>=2))"
-	(6 of 78 states)
-unreached in proctype :never:
-	line 1263, "pan.___", state 8, "-end-"
-	(1 of 8 states)
-
-pan: elapsed time 5.46e+03 seconds
-pan: rate 2887.6389 states/second
-pan: avg transition delay 1.3027e-06 usec
-cp .input.spin urcu_free_no_wmb.spin.input
-cp .input.spin.trail urcu_free_no_wmb.spin.input.trail
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_wmb.spin.input b/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_wmb.spin.input
deleted file mode 100644
index 2ff2df1..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_wmb.spin.input
+++ /dev/null
@@ -1,1240 +0,0 @@
-#define NO_WMB
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-//#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)
-//#else
-//#define PROGRESS_LABEL(progressid)
-//#endif
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_wmb.spin.input.trail b/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_wmb.spin.input.trail
deleted file mode 100644
index ddfccff..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_free_no_wmb.spin.input.trail
+++ /dev/null
@@ -1,1485 +0,0 @@
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diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_free_single_flip.define b/formal-model/results/urcu-controldataflow-ipi/urcu_free_single_flip.define
deleted file mode 100644
index 5e642ef..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_free_single_flip.define
+++ /dev/null
@@ -1 +0,0 @@
-#define SINGLE_FLIP
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_free_single_flip.log b/formal-model/results/urcu-controldataflow-ipi/urcu_free_single_flip.log
deleted file mode 100644
index eedc9f4..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_free_single_flip.log
+++ /dev/null
@@ -1,761 +0,0 @@
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define >> pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_free_single_flip.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1258)
-Depth=    6859 States=    1e+06 Transitions= 1.64e+08 Memory=   550.432	t=    209 R=   5e+03
-Depth=    6859 States=    2e+06 Transitions= 3.19e+08 Memory=   634.318	t=    409 R=   5e+03
-Depth=    6859 States=    3e+06 Transitions= 4.93e+08 Memory=   718.303	t=    643 R=   5e+03
-pan: resizing hashtable to -w22..  done
-Depth=    6859 States=    4e+06 Transitions= 6.91e+08 Memory=   833.311	t=    903 R=   4e+03
-Depth=    6859 States=    5e+06 Transitions=    9e+08 Memory=   917.295	t= 1.17e+03 R=   4e+03
-Depth=    6859 States=    6e+06 Transitions= 1.08e+09 Memory=  1001.279	t= 1.41e+03 R=   4e+03
-pan: claim violated! (at depth 1383)
-pan: wrote .input.spin.trail
-
-(Spin Version 5.1.7 -- 23 December 2008)
-Warning: Search not completed
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness disabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 6859, errors: 1
-  6177712 states, stored
-1.1177865e+09 states, matched
-1.1239642e+09 transitions (= stored+matched)
-6.3626905e+09 atomic steps
-hash conflicts: 8.98825e+08 (resolved)
-
-Stats on memory usage (in Megabytes):
-  683.417	equivalent memory usage for states (stored*(State-vector + overhead))
-  526.801	actual memory usage for states (compression: 77.08%)
-         	state-vector as stored = 61 byte + 28 byte overhead
-   32.000	memory used for hash table (-w22)
-  457.764	memory used for DFS stack (-m10000000)
- 1016.221	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 250, "pan.___", state 30, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 52, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 61, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 77, "(1)"
-	line 231, "pan.___", state 85, "(1)"
-	line 235, "pan.___", state 97, "(1)"
-	line 239, "pan.___", state 105, "(1)"
-	line 395, "pan.___", state 131, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 163, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 177, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 196, "(1)"
-	line 421, "pan.___", state 226, "(1)"
-	line 425, "pan.___", state 239, "(1)"
-	line 670, "pan.___", state 260, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 395, "pan.___", state 267, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 299, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 313, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 332, "(1)"
-	line 421, "pan.___", state 362, "(1)"
-	line 425, "pan.___", state 375, "(1)"
-	line 395, "pan.___", state 396, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 428, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 442, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 461, "(1)"
-	line 421, "pan.___", state 491, "(1)"
-	line 425, "pan.___", state 504, "(1)"
-	line 395, "pan.___", state 527, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 529, "(1)"
-	line 395, "pan.___", state 530, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 530, "else"
-	line 395, "pan.___", state 533, "(1)"
-	line 399, "pan.___", state 541, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 543, "(1)"
-	line 399, "pan.___", state 544, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 544, "else"
-	line 399, "pan.___", state 547, "(1)"
-	line 399, "pan.___", state 548, "(1)"
-	line 399, "pan.___", state 548, "(1)"
-	line 397, "pan.___", state 553, "((i<1))"
-	line 397, "pan.___", state 553, "((i>=1))"
-	line 404, "pan.___", state 559, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 561, "(1)"
-	line 404, "pan.___", state 562, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 562, "else"
-	line 404, "pan.___", state 565, "(1)"
-	line 404, "pan.___", state 566, "(1)"
-	line 404, "pan.___", state 566, "(1)"
-	line 408, "pan.___", state 573, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 575, "(1)"
-	line 408, "pan.___", state 576, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 576, "else"
-	line 408, "pan.___", state 579, "(1)"
-	line 408, "pan.___", state 580, "(1)"
-	line 408, "pan.___", state 580, "(1)"
-	line 406, "pan.___", state 585, "((i<2))"
-	line 406, "pan.___", state 585, "((i>=2))"
-	line 412, "pan.___", state 592, "(1)"
-	line 412, "pan.___", state 593, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 593, "else"
-	line 412, "pan.___", state 596, "(1)"
-	line 412, "pan.___", state 597, "(1)"
-	line 412, "pan.___", state 597, "(1)"
-	line 416, "pan.___", state 605, "(1)"
-	line 416, "pan.___", state 606, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 606, "else"
-	line 416, "pan.___", state 609, "(1)"
-	line 416, "pan.___", state 610, "(1)"
-	line 416, "pan.___", state 610, "(1)"
-	line 414, "pan.___", state 615, "((i<1))"
-	line 414, "pan.___", state 615, "((i>=1))"
-	line 421, "pan.___", state 622, "(1)"
-	line 421, "pan.___", state 623, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 623, "else"
-	line 421, "pan.___", state 626, "(1)"
-	line 421, "pan.___", state 627, "(1)"
-	line 421, "pan.___", state 627, "(1)"
-	line 425, "pan.___", state 635, "(1)"
-	line 425, "pan.___", state 636, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 636, "else"
-	line 425, "pan.___", state 639, "(1)"
-	line 425, "pan.___", state 640, "(1)"
-	line 425, "pan.___", state 640, "(1)"
-	line 423, "pan.___", state 645, "((i<2))"
-	line 423, "pan.___", state 645, "((i>=2))"
-	line 430, "pan.___", state 649, "(1)"
-	line 430, "pan.___", state 649, "(1)"
-	line 670, "pan.___", state 652, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 670, "pan.___", state 653, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 670, "pan.___", state 654, "(1)"
-	line 395, "pan.___", state 661, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 693, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 707, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 726, "(1)"
-	line 421, "pan.___", state 756, "(1)"
-	line 425, "pan.___", state 769, "(1)"
-	line 395, "pan.___", state 797, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 799, "(1)"
-	line 395, "pan.___", state 800, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 800, "else"
-	line 395, "pan.___", state 803, "(1)"
-	line 399, "pan.___", state 811, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 813, "(1)"
-	line 399, "pan.___", state 814, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 814, "else"
-	line 399, "pan.___", state 817, "(1)"
-	line 399, "pan.___", state 818, "(1)"
-	line 399, "pan.___", state 818, "(1)"
-	line 397, "pan.___", state 823, "((i<1))"
-	line 397, "pan.___", state 823, "((i>=1))"
-	line 404, "pan.___", state 829, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 831, "(1)"
-	line 404, "pan.___", state 832, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 832, "else"
-	line 404, "pan.___", state 835, "(1)"
-	line 404, "pan.___", state 836, "(1)"
-	line 404, "pan.___", state 836, "(1)"
-	line 408, "pan.___", state 843, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 845, "(1)"
-	line 408, "pan.___", state 846, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 846, "else"
-	line 408, "pan.___", state 849, "(1)"
-	line 408, "pan.___", state 850, "(1)"
-	line 408, "pan.___", state 850, "(1)"
-	line 406, "pan.___", state 855, "((i<2))"
-	line 406, "pan.___", state 855, "((i>=2))"
-	line 412, "pan.___", state 862, "(1)"
-	line 412, "pan.___", state 863, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 863, "else"
-	line 412, "pan.___", state 866, "(1)"
-	line 412, "pan.___", state 867, "(1)"
-	line 412, "pan.___", state 867, "(1)"
-	line 416, "pan.___", state 875, "(1)"
-	line 416, "pan.___", state 876, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 876, "else"
-	line 416, "pan.___", state 879, "(1)"
-	line 416, "pan.___", state 880, "(1)"
-	line 416, "pan.___", state 880, "(1)"
-	line 414, "pan.___", state 885, "((i<1))"
-	line 414, "pan.___", state 885, "((i>=1))"
-	line 421, "pan.___", state 892, "(1)"
-	line 421, "pan.___", state 893, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 893, "else"
-	line 421, "pan.___", state 896, "(1)"
-	line 421, "pan.___", state 897, "(1)"
-	line 421, "pan.___", state 897, "(1)"
-	line 425, "pan.___", state 905, "(1)"
-	line 425, "pan.___", state 906, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 906, "else"
-	line 425, "pan.___", state 909, "(1)"
-	line 425, "pan.___", state 910, "(1)"
-	line 425, "pan.___", state 910, "(1)"
-	line 430, "pan.___", state 919, "(1)"
-	line 430, "pan.___", state 919, "(1)"
-	line 395, "pan.___", state 926, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 928, "(1)"
-	line 395, "pan.___", state 929, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 929, "else"
-	line 395, "pan.___", state 932, "(1)"
-	line 399, "pan.___", state 940, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 942, "(1)"
-	line 399, "pan.___", state 943, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 943, "else"
-	line 399, "pan.___", state 946, "(1)"
-	line 399, "pan.___", state 947, "(1)"
-	line 399, "pan.___", state 947, "(1)"
-	line 397, "pan.___", state 952, "((i<1))"
-	line 397, "pan.___", state 952, "((i>=1))"
-	line 404, "pan.___", state 958, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 960, "(1)"
-	line 404, "pan.___", state 961, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 961, "else"
-	line 404, "pan.___", state 964, "(1)"
-	line 404, "pan.___", state 965, "(1)"
-	line 404, "pan.___", state 965, "(1)"
-	line 408, "pan.___", state 972, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 974, "(1)"
-	line 408, "pan.___", state 975, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 975, "else"
-	line 408, "pan.___", state 978, "(1)"
-	line 408, "pan.___", state 979, "(1)"
-	line 408, "pan.___", state 979, "(1)"
-	line 406, "pan.___", state 984, "((i<2))"
-	line 406, "pan.___", state 984, "((i>=2))"
-	line 412, "pan.___", state 991, "(1)"
-	line 412, "pan.___", state 992, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 992, "else"
-	line 412, "pan.___", state 995, "(1)"
-	line 412, "pan.___", state 996, "(1)"
-	line 412, "pan.___", state 996, "(1)"
-	line 416, "pan.___", state 1004, "(1)"
-	line 416, "pan.___", state 1005, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 1005, "else"
-	line 416, "pan.___", state 1008, "(1)"
-	line 416, "pan.___", state 1009, "(1)"
-	line 416, "pan.___", state 1009, "(1)"
-	line 414, "pan.___", state 1014, "((i<1))"
-	line 414, "pan.___", state 1014, "((i>=1))"
-	line 421, "pan.___", state 1021, "(1)"
-	line 421, "pan.___", state 1022, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 1022, "else"
-	line 421, "pan.___", state 1025, "(1)"
-	line 421, "pan.___", state 1026, "(1)"
-	line 421, "pan.___", state 1026, "(1)"
-	line 425, "pan.___", state 1034, "(1)"
-	line 425, "pan.___", state 1035, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 1035, "else"
-	line 425, "pan.___", state 1038, "(1)"
-	line 425, "pan.___", state 1039, "(1)"
-	line 425, "pan.___", state 1039, "(1)"
-	line 423, "pan.___", state 1044, "((i<2))"
-	line 423, "pan.___", state 1044, "((i>=2))"
-	line 430, "pan.___", state 1048, "(1)"
-	line 430, "pan.___", state 1048, "(1)"
-	line 678, "pan.___", state 1052, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 395, "pan.___", state 1057, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1089, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1103, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1122, "(1)"
-	line 421, "pan.___", state 1152, "(1)"
-	line 425, "pan.___", state 1165, "(1)"
-	line 395, "pan.___", state 1189, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1221, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1235, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1254, "(1)"
-	line 421, "pan.___", state 1284, "(1)"
-	line 425, "pan.___", state 1297, "(1)"
-	line 395, "pan.___", state 1322, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1354, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1368, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1387, "(1)"
-	line 421, "pan.___", state 1417, "(1)"
-	line 425, "pan.___", state 1430, "(1)"
-	line 395, "pan.___", state 1451, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1483, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1497, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1516, "(1)"
-	line 421, "pan.___", state 1546, "(1)"
-	line 425, "pan.___", state 1559, "(1)"
-	line 395, "pan.___", state 1585, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1617, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1631, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1650, "(1)"
-	line 421, "pan.___", state 1680, "(1)"
-	line 425, "pan.___", state 1693, "(1)"
-	line 395, "pan.___", state 1714, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1746, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1760, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1779, "(1)"
-	line 421, "pan.___", state 1809, "(1)"
-	line 425, "pan.___", state 1822, "(1)"
-	line 395, "pan.___", state 1846, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1878, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1892, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1911, "(1)"
-	line 421, "pan.___", state 1941, "(1)"
-	line 425, "pan.___", state 1954, "(1)"
-	line 717, "pan.___", state 1975, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 395, "pan.___", state 1982, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2014, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2028, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2047, "(1)"
-	line 421, "pan.___", state 2077, "(1)"
-	line 425, "pan.___", state 2090, "(1)"
-	line 395, "pan.___", state 2111, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2143, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2157, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2176, "(1)"
-	line 421, "pan.___", state 2206, "(1)"
-	line 425, "pan.___", state 2219, "(1)"
-	line 395, "pan.___", state 2242, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 2244, "(1)"
-	line 395, "pan.___", state 2245, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 2245, "else"
-	line 395, "pan.___", state 2248, "(1)"
-	line 399, "pan.___", state 2256, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2258, "(1)"
-	line 399, "pan.___", state 2259, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 2259, "else"
-	line 399, "pan.___", state 2262, "(1)"
-	line 399, "pan.___", state 2263, "(1)"
-	line 399, "pan.___", state 2263, "(1)"
-	line 397, "pan.___", state 2268, "((i<1))"
-	line 397, "pan.___", state 2268, "((i>=1))"
-	line 404, "pan.___", state 2274, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2276, "(1)"
-	line 404, "pan.___", state 2277, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 2277, "else"
-	line 404, "pan.___", state 2280, "(1)"
-	line 404, "pan.___", state 2281, "(1)"
-	line 404, "pan.___", state 2281, "(1)"
-	line 408, "pan.___", state 2288, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2290, "(1)"
-	line 408, "pan.___", state 2291, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 2291, "else"
-	line 408, "pan.___", state 2294, "(1)"
-	line 408, "pan.___", state 2295, "(1)"
-	line 408, "pan.___", state 2295, "(1)"
-	line 406, "pan.___", state 2300, "((i<2))"
-	line 406, "pan.___", state 2300, "((i>=2))"
-	line 412, "pan.___", state 2307, "(1)"
-	line 412, "pan.___", state 2308, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 2308, "else"
-	line 412, "pan.___", state 2311, "(1)"
-	line 412, "pan.___", state 2312, "(1)"
-	line 412, "pan.___", state 2312, "(1)"
-	line 416, "pan.___", state 2320, "(1)"
-	line 416, "pan.___", state 2321, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 2321, "else"
-	line 416, "pan.___", state 2324, "(1)"
-	line 416, "pan.___", state 2325, "(1)"
-	line 416, "pan.___", state 2325, "(1)"
-	line 414, "pan.___", state 2330, "((i<1))"
-	line 414, "pan.___", state 2330, "((i>=1))"
-	line 421, "pan.___", state 2337, "(1)"
-	line 421, "pan.___", state 2338, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 2338, "else"
-	line 421, "pan.___", state 2341, "(1)"
-	line 421, "pan.___", state 2342, "(1)"
-	line 421, "pan.___", state 2342, "(1)"
-	line 425, "pan.___", state 2350, "(1)"
-	line 425, "pan.___", state 2351, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 2351, "else"
-	line 425, "pan.___", state 2354, "(1)"
-	line 425, "pan.___", state 2355, "(1)"
-	line 425, "pan.___", state 2355, "(1)"
-	line 423, "pan.___", state 2360, "((i<2))"
-	line 423, "pan.___", state 2360, "((i>=2))"
-	line 430, "pan.___", state 2364, "(1)"
-	line 430, "pan.___", state 2364, "(1)"
-	line 717, "pan.___", state 2367, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 717, "pan.___", state 2368, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 717, "pan.___", state 2369, "(1)"
-	line 395, "pan.___", state 2376, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2408, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2422, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2441, "(1)"
-	line 421, "pan.___", state 2471, "(1)"
-	line 425, "pan.___", state 2484, "(1)"
-	line 395, "pan.___", state 2511, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2543, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2557, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2576, "(1)"
-	line 421, "pan.___", state 2606, "(1)"
-	line 425, "pan.___", state 2619, "(1)"
-	line 395, "pan.___", state 2640, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2672, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2686, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2705, "(1)"
-	line 421, "pan.___", state 2735, "(1)"
-	line 425, "pan.___", state 2748, "(1)"
-	line 227, "pan.___", state 2781, "(1)"
-	line 235, "pan.___", state 2801, "(1)"
-	line 239, "pan.___", state 2809, "(1)"
-	line 227, "pan.___", state 2824, "(1)"
-	line 235, "pan.___", state 2844, "(1)"
-	line 239, "pan.___", state 2852, "(1)"
-	line 877, "pan.___", state 2869, "-end-"
-	(278 of 2869 states)
-unreached in proctype urcu_writer
-	line 395, "pan.___", state 22, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 36, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 54, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 87, "(1)"
-	line 416, "pan.___", state 100, "(1)"
-	line 421, "pan.___", state 117, "(1)"
-	line 250, "pan.___", state 153, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 162, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 175, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 215, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 229, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 247, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 261, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 280, "(1)"
-	line 416, "pan.___", state 293, "(1)"
-	line 421, "pan.___", state 310, "(1)"
-	line 425, "pan.___", state 323, "(1)"
-	line 399, "pan.___", state 360, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 378, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 392, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 424, "(1)"
-	line 421, "pan.___", state 441, "(1)"
-	line 425, "pan.___", state 454, "(1)"
-	line 395, "pan.___", state 483, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 485, "(1)"
-	line 395, "pan.___", state 486, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 486, "else"
-	line 395, "pan.___", state 489, "(1)"
-	line 399, "pan.___", state 497, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 499, "(1)"
-	line 399, "pan.___", state 500, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 500, "else"
-	line 399, "pan.___", state 503, "(1)"
-	line 399, "pan.___", state 504, "(1)"
-	line 399, "pan.___", state 504, "(1)"
-	line 397, "pan.___", state 509, "((i<1))"
-	line 397, "pan.___", state 509, "((i>=1))"
-	line 404, "pan.___", state 515, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 517, "(1)"
-	line 404, "pan.___", state 518, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 518, "else"
-	line 404, "pan.___", state 521, "(1)"
-	line 404, "pan.___", state 522, "(1)"
-	line 404, "pan.___", state 522, "(1)"
-	line 408, "pan.___", state 529, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 531, "(1)"
-	line 408, "pan.___", state 532, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 532, "else"
-	line 408, "pan.___", state 535, "(1)"
-	line 408, "pan.___", state 536, "(1)"
-	line 408, "pan.___", state 536, "(1)"
-	line 406, "pan.___", state 541, "((i<2))"
-	line 406, "pan.___", state 541, "((i>=2))"
-	line 412, "pan.___", state 548, "(1)"
-	line 412, "pan.___", state 549, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 549, "else"
-	line 412, "pan.___", state 552, "(1)"
-	line 412, "pan.___", state 553, "(1)"
-	line 412, "pan.___", state 553, "(1)"
-	line 416, "pan.___", state 561, "(1)"
-	line 416, "pan.___", state 562, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 562, "else"
-	line 416, "pan.___", state 565, "(1)"
-	line 416, "pan.___", state 566, "(1)"
-	line 416, "pan.___", state 566, "(1)"
-	line 414, "pan.___", state 571, "((i<1))"
-	line 414, "pan.___", state 571, "((i>=1))"
-	line 421, "pan.___", state 578, "(1)"
-	line 421, "pan.___", state 579, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 579, "else"
-	line 421, "pan.___", state 582, "(1)"
-	line 421, "pan.___", state 583, "(1)"
-	line 421, "pan.___", state 583, "(1)"
-	line 425, "pan.___", state 591, "(1)"
-	line 425, "pan.___", state 592, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 592, "else"
-	line 425, "pan.___", state 595, "(1)"
-	line 425, "pan.___", state 596, "(1)"
-	line 425, "pan.___", state 596, "(1)"
-	line 430, "pan.___", state 605, "(1)"
-	line 430, "pan.___", state 605, "(1)"
-	line 395, "pan.___", state 612, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 614, "(1)"
-	line 395, "pan.___", state 615, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 615, "else"
-	line 395, "pan.___", state 618, "(1)"
-	line 399, "pan.___", state 626, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 628, "(1)"
-	line 399, "pan.___", state 629, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 629, "else"
-	line 399, "pan.___", state 632, "(1)"
-	line 399, "pan.___", state 633, "(1)"
-	line 399, "pan.___", state 633, "(1)"
-	line 397, "pan.___", state 638, "((i<1))"
-	line 397, "pan.___", state 638, "((i>=1))"
-	line 404, "pan.___", state 644, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 646, "(1)"
-	line 404, "pan.___", state 647, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 647, "else"
-	line 404, "pan.___", state 650, "(1)"
-	line 404, "pan.___", state 651, "(1)"
-	line 404, "pan.___", state 651, "(1)"
-	line 408, "pan.___", state 658, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 660, "(1)"
-	line 408, "pan.___", state 661, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 661, "else"
-	line 408, "pan.___", state 664, "(1)"
-	line 408, "pan.___", state 665, "(1)"
-	line 408, "pan.___", state 665, "(1)"
-	line 406, "pan.___", state 670, "((i<2))"
-	line 406, "pan.___", state 670, "((i>=2))"
-	line 412, "pan.___", state 677, "(1)"
-	line 412, "pan.___", state 678, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 678, "else"
-	line 412, "pan.___", state 681, "(1)"
-	line 412, "pan.___", state 682, "(1)"
-	line 412, "pan.___", state 682, "(1)"
-	line 416, "pan.___", state 690, "(1)"
-	line 416, "pan.___", state 691, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 691, "else"
-	line 416, "pan.___", state 694, "(1)"
-	line 416, "pan.___", state 695, "(1)"
-	line 416, "pan.___", state 695, "(1)"
-	line 414, "pan.___", state 700, "((i<1))"
-	line 414, "pan.___", state 700, "((i>=1))"
-	line 421, "pan.___", state 707, "(1)"
-	line 421, "pan.___", state 708, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 708, "else"
-	line 421, "pan.___", state 711, "(1)"
-	line 421, "pan.___", state 712, "(1)"
-	line 421, "pan.___", state 712, "(1)"
-	line 425, "pan.___", state 720, "(1)"
-	line 425, "pan.___", state 721, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 721, "else"
-	line 425, "pan.___", state 724, "(1)"
-	line 425, "pan.___", state 725, "(1)"
-	line 425, "pan.___", state 725, "(1)"
-	line 423, "pan.___", state 730, "((i<2))"
-	line 423, "pan.___", state 730, "((i>=2))"
-	line 430, "pan.___", state 734, "(1)"
-	line 430, "pan.___", state 734, "(1)"
-	line 1085, "pan.___", state 738, "_proc_urcu_writer = (_proc_urcu_writer|(1<<10))"
-	line 395, "pan.___", state 743, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 745, "(1)"
-	line 395, "pan.___", state 746, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 746, "else"
-	line 395, "pan.___", state 749, "(1)"
-	line 399, "pan.___", state 757, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 759, "(1)"
-	line 399, "pan.___", state 760, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 760, "else"
-	line 399, "pan.___", state 763, "(1)"
-	line 399, "pan.___", state 764, "(1)"
-	line 399, "pan.___", state 764, "(1)"
-	line 397, "pan.___", state 769, "((i<1))"
-	line 397, "pan.___", state 769, "((i>=1))"
-	line 404, "pan.___", state 775, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 777, "(1)"
-	line 404, "pan.___", state 778, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 778, "else"
-	line 404, "pan.___", state 781, "(1)"
-	line 404, "pan.___", state 782, "(1)"
-	line 404, "pan.___", state 782, "(1)"
-	line 408, "pan.___", state 789, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 791, "(1)"
-	line 408, "pan.___", state 792, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 792, "else"
-	line 408, "pan.___", state 795, "(1)"
-	line 408, "pan.___", state 796, "(1)"
-	line 408, "pan.___", state 796, "(1)"
-	line 406, "pan.___", state 801, "((i<2))"
-	line 406, "pan.___", state 801, "((i>=2))"
-	line 412, "pan.___", state 808, "(1)"
-	line 412, "pan.___", state 809, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 809, "else"
-	line 412, "pan.___", state 812, "(1)"
-	line 412, "pan.___", state 813, "(1)"
-	line 412, "pan.___", state 813, "(1)"
-	line 416, "pan.___", state 821, "(1)"
-	line 416, "pan.___", state 822, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 822, "else"
-	line 416, "pan.___", state 825, "(1)"
-	line 416, "pan.___", state 826, "(1)"
-	line 416, "pan.___", state 826, "(1)"
-	line 414, "pan.___", state 831, "((i<1))"
-	line 414, "pan.___", state 831, "((i>=1))"
-	line 421, "pan.___", state 838, "(1)"
-	line 421, "pan.___", state 839, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 839, "else"
-	line 421, "pan.___", state 842, "(1)"
-	line 421, "pan.___", state 843, "(1)"
-	line 421, "pan.___", state 843, "(1)"
-	line 425, "pan.___", state 851, "(1)"
-	line 425, "pan.___", state 852, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 852, "else"
-	line 425, "pan.___", state 855, "(1)"
-	line 425, "pan.___", state 856, "(1)"
-	line 425, "pan.___", state 856, "(1)"
-	line 423, "pan.___", state 861, "((i<2))"
-	line 423, "pan.___", state 861, "((i>=2))"
-	line 430, "pan.___", state 865, "(1)"
-	line 430, "pan.___", state 865, "(1)"
-	line 1100, "pan.___", state 870, "_proc_urcu_writer = (_proc_urcu_writer|(1<<11))"
-	line 1095, "pan.___", state 871, "(((tmp2&((1<<7)-1))&&((tmp2^0)&(1<<7))))"
-	line 1095, "pan.___", state 871, "else"
-	line 1120, "pan.___", state 875, "_proc_urcu_writer = (_proc_urcu_writer&~(((1<<12)|(1<<11))))"
-	line 250, "pan.___", state 906, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 915, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 930, "(1)"
-	line 262, "pan.___", state 937, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 953, "(1)"
-	line 231, "pan.___", state 961, "(1)"
-	line 235, "pan.___", state 973, "(1)"
-	line 239, "pan.___", state 981, "(1)"
-	line 250, "pan.___", state 1012, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1021, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1034, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1043, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1059, "(1)"
-	line 231, "pan.___", state 1067, "(1)"
-	line 235, "pan.___", state 1079, "(1)"
-	line 239, "pan.___", state 1087, "(1)"
-	line 254, "pan.___", state 1113, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1126, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1135, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1151, "(1)"
-	line 231, "pan.___", state 1159, "(1)"
-	line 235, "pan.___", state 1171, "(1)"
-	line 239, "pan.___", state 1179, "(1)"
-	line 250, "pan.___", state 1210, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1219, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1232, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1241, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1257, "(1)"
-	line 231, "pan.___", state 1265, "(1)"
-	line 235, "pan.___", state 1277, "(1)"
-	line 239, "pan.___", state 1285, "(1)"
-	line 250, "pan.___", state 1302, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 1304, "(1)"
-	line 254, "pan.___", state 1311, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1313, "(1)"
-	line 254, "pan.___", state 1314, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 1314, "else"
-	line 252, "pan.___", state 1319, "((i<1))"
-	line 252, "pan.___", state 1319, "((i>=1))"
-	line 258, "pan.___", state 1324, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1326, "(1)"
-	line 258, "pan.___", state 1327, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 1327, "else"
-	line 262, "pan.___", state 1333, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1335, "(1)"
-	line 262, "pan.___", state 1336, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 1336, "else"
-	line 260, "pan.___", state 1341, "((i<2))"
-	line 260, "pan.___", state 1341, "((i>=2))"
-	line 227, "pan.___", state 1349, "(1)"
-	line 231, "pan.___", state 1357, "(1)"
-	line 231, "pan.___", state 1358, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1358, "else"
-	line 229, "pan.___", state 1363, "((i<1))"
-	line 229, "pan.___", state 1363, "((i>=1))"
-	line 235, "pan.___", state 1369, "(1)"
-	line 235, "pan.___", state 1370, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1370, "else"
-	line 239, "pan.___", state 1377, "(1)"
-	line 239, "pan.___", state 1378, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1378, "else"
-	line 244, "pan.___", state 1387, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1387, "else"
-	line 1196, "pan.___", state 1390, "i = 0"
-	line 1196, "pan.___", state 1392, "reader_barrier = 1"
-	line 1196, "pan.___", state 1403, "((i<1))"
-	line 1196, "pan.___", state 1403, "((i>=1))"
-	line 250, "pan.___", state 1408, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 1410, "(1)"
-	line 254, "pan.___", state 1417, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1419, "(1)"
-	line 254, "pan.___", state 1420, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 1420, "else"
-	line 252, "pan.___", state 1425, "((i<1))"
-	line 252, "pan.___", state 1425, "((i>=1))"
-	line 258, "pan.___", state 1430, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1432, "(1)"
-	line 258, "pan.___", state 1433, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 1433, "else"
-	line 262, "pan.___", state 1439, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1441, "(1)"
-	line 262, "pan.___", state 1442, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 1442, "else"
-	line 260, "pan.___", state 1447, "((i<2))"
-	line 260, "pan.___", state 1447, "((i>=2))"
-	line 227, "pan.___", state 1455, "(1)"
-	line 231, "pan.___", state 1463, "(1)"
-	line 231, "pan.___", state 1464, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1464, "else"
-	line 229, "pan.___", state 1469, "((i<1))"
-	line 229, "pan.___", state 1469, "((i>=1))"
-	line 235, "pan.___", state 1475, "(1)"
-	line 235, "pan.___", state 1476, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1476, "else"
-	line 239, "pan.___", state 1483, "(1)"
-	line 239, "pan.___", state 1484, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1484, "else"
-	line 244, "pan.___", state 1493, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1493, "else"
-	line 277, "pan.___", state 1495, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 277, "pan.___", state 1495, "else"
-	line 1196, "pan.___", state 1496, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 1196, "pan.___", state 1496, "else"
-	line 254, "pan.___", state 1509, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1522, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1531, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1547, "(1)"
-	line 231, "pan.___", state 1555, "(1)"
-	line 235, "pan.___", state 1567, "(1)"
-	line 239, "pan.___", state 1575, "(1)"
-	line 250, "pan.___", state 1606, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1615, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1628, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1637, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1653, "(1)"
-	line 231, "pan.___", state 1661, "(1)"
-	line 235, "pan.___", state 1673, "(1)"
-	line 239, "pan.___", state 1681, "(1)"
-	line 1204, "pan.___", state 1697, "-end-"
-	(242 of 1697 states)
-unreached in proctype :init:
-	line 1215, "pan.___", state 9, "((j<2))"
-	line 1215, "pan.___", state 9, "((j>=2))"
-	line 1216, "pan.___", state 20, "((j<2))"
-	line 1216, "pan.___", state 20, "((j>=2))"
-	line 1221, "pan.___", state 33, "((j<2))"
-	line 1221, "pan.___", state 33, "((j>=2))"
-	line 1219, "pan.___", state 43, "((i<1))"
-	line 1219, "pan.___", state 43, "((i>=1))"
-	line 1229, "pan.___", state 54, "((j<2))"
-	line 1229, "pan.___", state 54, "((j>=2))"
-	line 1233, "pan.___", state 67, "((j<2))"
-	line 1233, "pan.___", state 67, "((j>=2))"
-	(6 of 78 states)
-unreached in proctype :never:
-	line 1263, "pan.___", state 8, "-end-"
-	(1 of 8 states)
-
-pan: elapsed time 1.47e+03 seconds
-pan: rate 4207.2476 states/second
-pan: avg transition delay 1.3064e-06 usec
-cp .input.spin urcu_free_single_flip.spin.input
-cp .input.spin.trail urcu_free_single_flip.spin.input.trail
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_free_single_flip.spin.input b/formal-model/results/urcu-controldataflow-ipi/urcu_free_single_flip.spin.input
deleted file mode 100644
index e7c3890..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_free_single_flip.spin.input
+++ /dev/null
@@ -1,1240 +0,0 @@
-#define SINGLE_FLIP
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-//#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)
-//#else
-//#define PROGRESS_LABEL(progressid)
-//#endif
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_free_single_flip.spin.input.trail b/formal-model/results/urcu-controldataflow-ipi/urcu_free_single_flip.spin.input.trail
deleted file mode 100644
index f09d0eb..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_free_single_flip.spin.input.trail
+++ /dev/null
@@ -1,1386 +0,0 @@
--2:3:-2
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-1203:2:4467
-1204:0:4646
-1205:2:4475
-1206:2:4476
-1207:2:4480
-1208:2:4484
-1209:2:4485
-1210:2:4489
-1211:2:4497
-1212:2:4498
-1213:2:4502
-1214:2:4506
-1215:2:4507
-1216:2:4502
-1217:2:4506
-1218:2:4507
-1219:2:4511
-1220:2:4518
-1221:2:4525
-1222:2:4526
-1223:2:4533
-1224:2:4538
-1225:2:4545
-1226:2:4546
-1227:2:4545
-1228:2:4546
-1229:2:4553
-1230:2:4557
-1231:0:4646
-1232:2:3746
-1233:2:3756
-1234:0:4646
-1235:2:2885
-1236:0:4646
-1237:2:3747
-1238:2:3748
-1239:0:4646
-1240:2:2885
-1241:0:4646
-1242:2:3752
-1243:0:4646
-1244:2:3760
-1245:0:4646
-1246:2:2878
-1247:0:4646
-1248:2:2880
-1249:0:4646
-1250:2:2881
-1251:0:4646
-1252:2:2882
-1253:0:4646
-1254:2:2883
-1255:0:4646
-1256:2:2884
-1257:0:4646
-1258:2:2885
-1259:0:4646
-1260:2:2886
-1261:2:2887
-1262:2:2891
-1263:2:2892
-1264:2:2900
-1265:2:2901
-1266:2:2905
-1267:2:2906
-1268:2:2914
-1269:2:2919
-1270:2:2923
-1271:2:2924
-1272:2:2932
-1273:2:2933
-1274:2:2937
-1275:2:2938
-1276:2:2932
-1277:2:2933
-1278:2:2934
-1279:2:2946
-1280:2:2951
-1281:2:2952
-1282:2:2963
-1283:2:2964
-1284:2:2965
-1285:2:2976
-1286:2:2981
-1287:2:2982
-1288:2:2993
-1289:2:2994
-1290:2:2995
-1291:2:2993
-1292:2:2994
-1293:2:2995
-1294:2:3006
-1295:2:3014
-1296:0:4646
-1297:2:2885
-1298:0:4646
-1299:1:118
-1300:0:4646
-1301:1:120
-1302:0:4646
-1303:1:19
-1304:0:4646
-1305:1:1313
-1306:0:4646
-1307:1:2777
-1308:1:2784
-1309:1:2785
-1310:1:2792
-1311:1:2797
-1312:1:2804
-1313:1:2805
-1314:1:2804
-1315:1:2805
-1316:1:2812
-1317:1:2816
-1318:0:4646
-1319:2:3018
-1320:2:3022
-1321:2:3023
-1322:2:3027
-1323:2:3031
-1324:2:3032
-1325:2:3036
-1326:2:3044
-1327:2:3045
-1328:2:3049
-1329:2:3053
-1330:2:3054
-1331:2:3049
-1332:2:3050
-1333:2:3058
-1334:0:4646
-1335:2:2885
-1336:0:4646
-1337:2:3066
-1338:2:3067
-1339:2:3068
-1340:0:4646
-1341:2:2885
-1342:0:4646
-1343:2:3073
-1344:0:4646
-1345:2:3775
-1346:2:3776
-1347:2:3780
-1348:2:3784
-1349:2:3785
-1350:2:3789
-1351:2:3794
-1352:2:3802
-1353:2:3806
-1354:2:3807
-1355:2:3802
-1356:2:3806
-1357:2:3807
-1358:2:3811
-1359:2:3818
-1360:2:3825
-1361:2:3826
-1362:2:3833
-1363:2:3838
-1364:2:3845
-1365:2:3846
-1366:2:3845
-1367:2:3846
-1368:2:3853
-1369:2:3857
-1370:0:4646
-1371:2:3862
-1372:0:4646
-1373:2:3863
-1374:0:4646
-1375:2:3864
-1376:0:4646
-1377:2:3865
-1378:0:4646
-1379:1:1315
-1380:1:1316
-1381:0:4644
-1382:2:3866
-1383:0:4650
-1384:1:2431
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_progress.ltl b/formal-model/results/urcu-controldataflow-ipi/urcu_progress.ltl
deleted file mode 100644
index 8718641..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_progress.ltl
+++ /dev/null
@@ -1 +0,0 @@
-([] <> !np_)
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_progress_reader.define b/formal-model/results/urcu-controldataflow-ipi/urcu_progress_reader.define
deleted file mode 100644
index ff3f783..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_progress_reader.define
+++ /dev/null
@@ -1 +0,0 @@
-#define READER_PROGRESS
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_progress_reader.log b/formal-model/results/urcu-controldataflow-ipi/urcu_progress_reader.log
deleted file mode 100644
index e493a0c..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_progress_reader.log
+++ /dev/null
@@ -1,597 +0,0 @@
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define > pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_progress.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_progress_reader.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -f -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1258)
-depth 23: Claim reached state 9 (line 1263)
-depth 137: Claim reached state 9 (line 1262)
-Depth=   31896 States=    1e+06 Transitions= 1.91e+08 Memory=   519.963	t=    240 R=   4e+03
-Depth=   35611 States=    2e+06 Transitions= 3.82e+08 Memory=   572.111	t=    484 R=   4e+03
-Depth=   35611 States=    3e+06 Transitions= 6.15e+08 Memory=   623.869	t=    790 R=   4e+03
-pan: resizing hashtable to -w22..  done
-Depth=   35611 States=    4e+06 Transitions= 8.15e+08 Memory=   707.236	t= 1.04e+03 R=   4e+03
-Depth=   35611 States=    5e+06 Transitions=    1e+09 Memory=   760.557	t= 1.28e+03 R=   4e+03
-Depth=   35611 States=    6e+06 Transitions= 1.33e+09 Memory=   808.408	t= 1.71e+03 R=   4e+03
-Depth=   35611 States=    7e+06 Transitions= 1.79e+09 Memory=   854.014	t= 2.32e+03 R=   3e+03
-Depth=   35611 States=    8e+06 Transitions= 2.33e+09 Memory=   898.740	t= 3.05e+03 R=   3e+03
-Depth=   35611 States=    9e+06 Transitions= 2.72e+09 Memory=   947.276	t= 3.57e+03 R=   3e+03
-pan: resizing hashtable to -w24..  done
-Depth=   35611 States=    1e+07 Transitions= 3.17e+09 Memory=  1119.123	t= 4.17e+03 R=   2e+03
-Depth=   35611 States=  1.1e+07 Transitions= 3.43e+09 Memory=  1167.854	t= 4.5e+03 R=   2e+03
-Depth=   35611 States=  1.2e+07 Transitions= 3.67e+09 Memory=  1219.221	t= 4.81e+03 R=   2e+03
-Depth=   35611 States=  1.3e+07 Transitions= 4.19e+09 Memory=  1262.776	t= 5.49e+03 R=   2e+03
-Depth=   35611 States=  1.4e+07 Transitions= 5.17e+09 Memory=  1311.213	t= 6.83e+03 R=   2e+03
-Depth=   35611 States=  1.5e+07 Transitions= 6.13e+09 Memory=  1349.006	t= 8.12e+03 R=   2e+03
-Depth=   35611 States=  1.6e+07 Transitions= 6.65e+09 Memory=  1393.635	t= 8.82e+03 R=   2e+03
-Depth=   35611 States=  1.7e+07 Transitions= 7.12e+09 Memory=  1441.779	t= 9.45e+03 R=   2e+03
-Depth=   35611 States=  1.8e+07 Transitions= 7.52e+09 Memory=  1486.408	t= 9.98e+03 R=   2e+03
-Depth=   35611 States=  1.9e+07 Transitions= 8.03e+09 Memory=  1534.162	t= 1.07e+04 R=   2e+03
-Depth=   35611 States=    2e+07 Transitions=  8.6e+09 Memory=  1579.768	t= 1.14e+04 R=   2e+03
-Depth=   35611 States=  2.1e+07 Transitions=    9e+09 Memory=  1629.475	t= 1.2e+04 R=   2e+03
-Depth=   35611 States=  2.2e+07 Transitions= 9.32e+09 Memory=  1676.545	t= 1.24e+04 R=   2e+03
-Depth=   35611 States=  2.3e+07 Transitions= 9.66e+09 Memory=  1724.494	t= 1.29e+04 R=   2e+03
-Depth=   35611 States=  2.4e+07 Transitions=    1e+10 Memory=  1774.299	t= 1.34e+04 R=   2e+03
-Depth=   35611 States=  2.5e+07 Transitions= 1.03e+10 Memory=  1822.151	t= 1.37e+04 R=   2e+03
-Depth=   35611 States=  2.6e+07 Transitions= 1.07e+10 Memory=  1871.272	t= 1.42e+04 R=   2e+03
-Depth=   35611 States=  2.7e+07 Transitions= 1.09e+10 Memory=  1921.272	t= 1.45e+04 R=   2e+03
-Depth=   35611 States=  2.8e+07 Transitions= 1.13e+10 Memory=  1969.904	t= 1.51e+04 R=   2e+03
-Depth=   35611 States=  2.9e+07 Transitions= 1.15e+10 Memory=  2019.709	t= 1.54e+04 R=   2e+03
-Depth=   35611 States=    3e+07 Transitions=  1.2e+10 Memory=  2063.654	t= 1.6e+04 R=   2e+03
-Depth=   35611 States=  3.1e+07 Transitions= 1.23e+10 Memory=  2110.920	t= 1.65e+04 R=   2e+03
-Depth=   35611 States=  3.2e+07 Transitions= 1.29e+10 Memory=  2156.721	t= 1.73e+04 R=   2e+03
-Depth=   35611 States=  3.3e+07 Transitions= 1.35e+10 Memory=  2200.276	t= 1.8e+04 R=   2e+03
-Depth=   35611 States=  3.4e+07 Transitions=  1.4e+10 Memory=  2245.881	t= 1.87e+04 R=   2e+03
-pan: resizing hashtable to -w26..  done
-Depth=   35611 States=  3.5e+07 Transitions= 1.43e+10 Memory=  2790.498	t= 1.91e+04 R=   2e+03
-Depth=   35611 States=  3.6e+07 Transitions= 1.45e+10 Memory=  2841.182	t= 1.94e+04 R=   2e+03
-Depth=   35611 States=  3.7e+07 Transitions= 1.49e+10 Memory=  2887.861	t= 1.99e+04 R=   2e+03
-Depth=   35611 States=  3.8e+07 Transitions= 1.57e+10 Memory=  2934.346	t= 2.1e+04 R=   2e+03
-Depth=   35611 States=  3.9e+07 Transitions= 1.67e+10 Memory=  2977.608	t= 2.23e+04 R=   2e+03
-Depth=   35611 States=    4e+07 Transitions= 1.74e+10 Memory=  3017.158	t= 2.33e+04 R=   2e+03
-Depth=   35611 States=  4.1e+07 Transitions= 1.81e+10 Memory=  3061.104	t= 2.42e+04 R=   2e+03
-Depth=   35611 States=  4.2e+07 Transitions= 1.83e+10 Memory=  3109.932	t= 2.45e+04 R=   2e+03
-Depth=   35611 States=  4.3e+07 Transitions= 1.88e+10 Memory=  3156.416	t= 2.51e+04 R=   2e+03
-Depth=   35611 States=  4.4e+07 Transitions= 1.93e+10 Memory=  3203.389	t= 2.58e+04 R=   2e+03
-Depth=   35611 States=  4.5e+07 Transitions= 1.98e+10 Memory=  3249.580	t= 2.65e+04 R=   2e+03
-Depth=   35611 States=  4.6e+07 Transitions= 2.02e+10 Memory=  3297.920	t= 2.69e+04 R=   2e+03
-Depth=   35611 States=  4.7e+07 Transitions= 2.06e+10 Memory=  3347.236	t= 2.75e+04 R=   2e+03
-Depth=   35611 States=  4.8e+07 Transitions= 2.09e+10 Memory=  3395.772	t= 2.79e+04 R=   2e+03
-Depth=   35611 States=  4.9e+07 Transitions= 2.12e+10 Memory=  3443.818	t= 2.83e+04 R=   2e+03
-Depth=   35611 States=    5e+07 Transitions= 2.15e+10 Memory=  3492.549	t= 2.87e+04 R=   2e+03
-Depth=   35611 States=  5.1e+07 Transitions= 2.18e+10 Memory=  3540.303	t= 2.91e+04 R=   2e+03
-Depth=   35611 States=  5.2e+07 Transitions= 2.21e+10 Memory=  3591.377	t= 2.95e+04 R=   2e+03
-Depth=   35611 States=  5.3e+07 Transitions= 2.24e+10 Memory=  3639.326	t=  3e+04 R=   2e+03
-Depth=   35611 States=  5.4e+07 Transitions= 2.27e+10 Memory=  3687.373	t= 3.04e+04 R=   2e+03
-Depth=   35611 States=  5.5e+07 Transitions= 2.31e+10 Memory=  3733.662	t= 3.09e+04 R=   2e+03
-Depth=   35611 States=  5.6e+07 Transitions= 2.37e+10 Memory=  3779.561	t= 3.16e+04 R=   2e+03
-Depth=   35611 States=  5.7e+07 Transitions= 2.42e+10 Memory=  3823.213	t= 3.24e+04 R=   2e+03
-Depth=   35611 States=  5.8e+07 Transitions= 2.47e+10 Memory=  3869.795	t= 3.3e+04 R=   2e+03
-Depth=   35611 States=  5.9e+07 Transitions= 2.52e+10 Memory=  3916.084	t= 3.37e+04 R=   2e+03
-
-(Spin Version 5.1.7 -- 23 December 2008)
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness enabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 35611, errors: 0
- 33837266 states, stored (5.99297e+07 visited)
-2.557894e+10 states, matched
-2.563887e+10 transitions (= visited+matched)
-1.4922421e+11 atomic steps
-hash conflicts: 9.616061e+09 (resolved)
-
-Stats on memory usage (in Megabytes):
- 3743.289	equivalent memory usage for states (stored*(State-vector + overhead))
- 2990.875	actual memory usage for states (compression: 79.90%)
-         	state-vector as stored = 65 byte + 28 byte overhead
-  512.000	memory used for hash table (-w26)
-  457.764	memory used for DFS stack (-m10000000)
-    1.683	memory lost to fragmentation
- 3958.955	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 250, "pan.___", state 30, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 52, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 61, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 77, "(1)"
-	line 231, "pan.___", state 85, "(1)"
-	line 235, "pan.___", state 97, "(1)"
-	line 239, "pan.___", state 105, "(1)"
-	line 395, "pan.___", state 131, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 163, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 177, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 196, "(1)"
-	line 421, "pan.___", state 226, "(1)"
-	line 425, "pan.___", state 239, "(1)"
-	line 670, "pan.___", state 260, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 395, "pan.___", state 267, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 299, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 313, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 332, "(1)"
-	line 421, "pan.___", state 362, "(1)"
-	line 425, "pan.___", state 375, "(1)"
-	line 395, "pan.___", state 396, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 428, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 442, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 461, "(1)"
-	line 421, "pan.___", state 491, "(1)"
-	line 425, "pan.___", state 504, "(1)"
-	line 395, "pan.___", state 527, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 529, "(1)"
-	line 395, "pan.___", state 530, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 530, "else"
-	line 395, "pan.___", state 533, "(1)"
-	line 399, "pan.___", state 541, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 543, "(1)"
-	line 399, "pan.___", state 544, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 544, "else"
-	line 399, "pan.___", state 547, "(1)"
-	line 399, "pan.___", state 548, "(1)"
-	line 399, "pan.___", state 548, "(1)"
-	line 397, "pan.___", state 553, "((i<1))"
-	line 397, "pan.___", state 553, "((i>=1))"
-	line 404, "pan.___", state 559, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 561, "(1)"
-	line 404, "pan.___", state 562, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 562, "else"
-	line 404, "pan.___", state 565, "(1)"
-	line 404, "pan.___", state 566, "(1)"
-	line 404, "pan.___", state 566, "(1)"
-	line 408, "pan.___", state 573, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 575, "(1)"
-	line 408, "pan.___", state 576, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 576, "else"
-	line 408, "pan.___", state 579, "(1)"
-	line 408, "pan.___", state 580, "(1)"
-	line 408, "pan.___", state 580, "(1)"
-	line 406, "pan.___", state 585, "((i<2))"
-	line 406, "pan.___", state 585, "((i>=2))"
-	line 412, "pan.___", state 592, "(1)"
-	line 412, "pan.___", state 593, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 593, "else"
-	line 412, "pan.___", state 596, "(1)"
-	line 412, "pan.___", state 597, "(1)"
-	line 412, "pan.___", state 597, "(1)"
-	line 416, "pan.___", state 605, "(1)"
-	line 416, "pan.___", state 606, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 606, "else"
-	line 416, "pan.___", state 609, "(1)"
-	line 416, "pan.___", state 610, "(1)"
-	line 416, "pan.___", state 610, "(1)"
-	line 414, "pan.___", state 615, "((i<1))"
-	line 414, "pan.___", state 615, "((i>=1))"
-	line 421, "pan.___", state 622, "(1)"
-	line 421, "pan.___", state 623, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 623, "else"
-	line 421, "pan.___", state 626, "(1)"
-	line 421, "pan.___", state 627, "(1)"
-	line 421, "pan.___", state 627, "(1)"
-	line 425, "pan.___", state 635, "(1)"
-	line 425, "pan.___", state 636, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 636, "else"
-	line 425, "pan.___", state 639, "(1)"
-	line 425, "pan.___", state 640, "(1)"
-	line 425, "pan.___", state 640, "(1)"
-	line 423, "pan.___", state 645, "((i<2))"
-	line 423, "pan.___", state 645, "((i>=2))"
-	line 430, "pan.___", state 649, "(1)"
-	line 430, "pan.___", state 649, "(1)"
-	line 670, "pan.___", state 652, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 670, "pan.___", state 653, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 670, "pan.___", state 654, "(1)"
-	line 395, "pan.___", state 661, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 693, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 707, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 726, "(1)"
-	line 421, "pan.___", state 756, "(1)"
-	line 425, "pan.___", state 769, "(1)"
-	line 395, "pan.___", state 797, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 799, "(1)"
-	line 395, "pan.___", state 800, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 800, "else"
-	line 395, "pan.___", state 803, "(1)"
-	line 399, "pan.___", state 811, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 813, "(1)"
-	line 399, "pan.___", state 814, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 814, "else"
-	line 399, "pan.___", state 817, "(1)"
-	line 399, "pan.___", state 818, "(1)"
-	line 399, "pan.___", state 818, "(1)"
-	line 397, "pan.___", state 823, "((i<1))"
-	line 397, "pan.___", state 823, "((i>=1))"
-	line 404, "pan.___", state 829, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 831, "(1)"
-	line 404, "pan.___", state 832, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 832, "else"
-	line 404, "pan.___", state 835, "(1)"
-	line 404, "pan.___", state 836, "(1)"
-	line 404, "pan.___", state 836, "(1)"
-	line 408, "pan.___", state 843, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 845, "(1)"
-	line 408, "pan.___", state 846, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 846, "else"
-	line 408, "pan.___", state 849, "(1)"
-	line 408, "pan.___", state 850, "(1)"
-	line 408, "pan.___", state 850, "(1)"
-	line 406, "pan.___", state 855, "((i<2))"
-	line 406, "pan.___", state 855, "((i>=2))"
-	line 412, "pan.___", state 862, "(1)"
-	line 412, "pan.___", state 863, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 863, "else"
-	line 412, "pan.___", state 866, "(1)"
-	line 412, "pan.___", state 867, "(1)"
-	line 412, "pan.___", state 867, "(1)"
-	line 416, "pan.___", state 875, "(1)"
-	line 416, "pan.___", state 876, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 876, "else"
-	line 416, "pan.___", state 879, "(1)"
-	line 416, "pan.___", state 880, "(1)"
-	line 416, "pan.___", state 880, "(1)"
-	line 414, "pan.___", state 885, "((i<1))"
-	line 414, "pan.___", state 885, "((i>=1))"
-	line 421, "pan.___", state 892, "(1)"
-	line 421, "pan.___", state 893, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 893, "else"
-	line 421, "pan.___", state 896, "(1)"
-	line 421, "pan.___", state 897, "(1)"
-	line 421, "pan.___", state 897, "(1)"
-	line 425, "pan.___", state 905, "(1)"
-	line 425, "pan.___", state 906, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 906, "else"
-	line 425, "pan.___", state 909, "(1)"
-	line 425, "pan.___", state 910, "(1)"
-	line 425, "pan.___", state 910, "(1)"
-	line 430, "pan.___", state 919, "(1)"
-	line 430, "pan.___", state 919, "(1)"
-	line 395, "pan.___", state 926, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 928, "(1)"
-	line 395, "pan.___", state 929, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 929, "else"
-	line 395, "pan.___", state 932, "(1)"
-	line 399, "pan.___", state 940, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 942, "(1)"
-	line 399, "pan.___", state 943, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 943, "else"
-	line 399, "pan.___", state 946, "(1)"
-	line 399, "pan.___", state 947, "(1)"
-	line 399, "pan.___", state 947, "(1)"
-	line 397, "pan.___", state 952, "((i<1))"
-	line 397, "pan.___", state 952, "((i>=1))"
-	line 404, "pan.___", state 958, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 960, "(1)"
-	line 404, "pan.___", state 961, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 961, "else"
-	line 404, "pan.___", state 964, "(1)"
-	line 404, "pan.___", state 965, "(1)"
-	line 404, "pan.___", state 965, "(1)"
-	line 408, "pan.___", state 972, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 974, "(1)"
-	line 408, "pan.___", state 975, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 975, "else"
-	line 408, "pan.___", state 978, "(1)"
-	line 408, "pan.___", state 979, "(1)"
-	line 408, "pan.___", state 979, "(1)"
-	line 406, "pan.___", state 984, "((i<2))"
-	line 406, "pan.___", state 984, "((i>=2))"
-	line 412, "pan.___", state 991, "(1)"
-	line 412, "pan.___", state 992, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 992, "else"
-	line 412, "pan.___", state 995, "(1)"
-	line 412, "pan.___", state 996, "(1)"
-	line 412, "pan.___", state 996, "(1)"
-	line 416, "pan.___", state 1004, "(1)"
-	line 416, "pan.___", state 1005, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 1005, "else"
-	line 416, "pan.___", state 1008, "(1)"
-	line 416, "pan.___", state 1009, "(1)"
-	line 416, "pan.___", state 1009, "(1)"
-	line 414, "pan.___", state 1014, "((i<1))"
-	line 414, "pan.___", state 1014, "((i>=1))"
-	line 421, "pan.___", state 1021, "(1)"
-	line 421, "pan.___", state 1022, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 1022, "else"
-	line 421, "pan.___", state 1025, "(1)"
-	line 421, "pan.___", state 1026, "(1)"
-	line 421, "pan.___", state 1026, "(1)"
-	line 425, "pan.___", state 1034, "(1)"
-	line 425, "pan.___", state 1035, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 1035, "else"
-	line 425, "pan.___", state 1038, "(1)"
-	line 425, "pan.___", state 1039, "(1)"
-	line 425, "pan.___", state 1039, "(1)"
-	line 423, "pan.___", state 1044, "((i<2))"
-	line 423, "pan.___", state 1044, "((i>=2))"
-	line 430, "pan.___", state 1048, "(1)"
-	line 430, "pan.___", state 1048, "(1)"
-	line 678, "pan.___", state 1052, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 395, "pan.___", state 1057, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1089, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1103, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1122, "(1)"
-	line 421, "pan.___", state 1152, "(1)"
-	line 425, "pan.___", state 1165, "(1)"
-	line 395, "pan.___", state 1189, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1221, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1235, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1254, "(1)"
-	line 421, "pan.___", state 1284, "(1)"
-	line 425, "pan.___", state 1297, "(1)"
-	line 395, "pan.___", state 1322, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1354, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1368, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1387, "(1)"
-	line 421, "pan.___", state 1417, "(1)"
-	line 425, "pan.___", state 1430, "(1)"
-	line 395, "pan.___", state 1451, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1483, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1497, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1516, "(1)"
-	line 421, "pan.___", state 1546, "(1)"
-	line 425, "pan.___", state 1559, "(1)"
-	line 395, "pan.___", state 1585, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1617, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1631, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1650, "(1)"
-	line 421, "pan.___", state 1680, "(1)"
-	line 425, "pan.___", state 1693, "(1)"
-	line 395, "pan.___", state 1714, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1746, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1760, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1779, "(1)"
-	line 421, "pan.___", state 1809, "(1)"
-	line 425, "pan.___", state 1822, "(1)"
-	line 395, "pan.___", state 1846, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1878, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1892, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1911, "(1)"
-	line 421, "pan.___", state 1941, "(1)"
-	line 425, "pan.___", state 1954, "(1)"
-	line 717, "pan.___", state 1975, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 395, "pan.___", state 1982, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2014, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2028, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2047, "(1)"
-	line 421, "pan.___", state 2077, "(1)"
-	line 425, "pan.___", state 2090, "(1)"
-	line 395, "pan.___", state 2111, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2143, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2157, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2176, "(1)"
-	line 421, "pan.___", state 2206, "(1)"
-	line 425, "pan.___", state 2219, "(1)"
-	line 395, "pan.___", state 2242, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 2244, "(1)"
-	line 395, "pan.___", state 2245, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 2245, "else"
-	line 395, "pan.___", state 2248, "(1)"
-	line 399, "pan.___", state 2256, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2258, "(1)"
-	line 399, "pan.___", state 2259, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 2259, "else"
-	line 399, "pan.___", state 2262, "(1)"
-	line 399, "pan.___", state 2263, "(1)"
-	line 399, "pan.___", state 2263, "(1)"
-	line 397, "pan.___", state 2268, "((i<1))"
-	line 397, "pan.___", state 2268, "((i>=1))"
-	line 404, "pan.___", state 2274, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2276, "(1)"
-	line 404, "pan.___", state 2277, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 2277, "else"
-	line 404, "pan.___", state 2280, "(1)"
-	line 404, "pan.___", state 2281, "(1)"
-	line 404, "pan.___", state 2281, "(1)"
-	line 408, "pan.___", state 2288, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2290, "(1)"
-	line 408, "pan.___", state 2291, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 2291, "else"
-	line 408, "pan.___", state 2294, "(1)"
-	line 408, "pan.___", state 2295, "(1)"
-	line 408, "pan.___", state 2295, "(1)"
-	line 406, "pan.___", state 2300, "((i<2))"
-	line 406, "pan.___", state 2300, "((i>=2))"
-	line 412, "pan.___", state 2307, "(1)"
-	line 412, "pan.___", state 2308, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 2308, "else"
-	line 412, "pan.___", state 2311, "(1)"
-	line 412, "pan.___", state 2312, "(1)"
-	line 412, "pan.___", state 2312, "(1)"
-	line 416, "pan.___", state 2320, "(1)"
-	line 416, "pan.___", state 2321, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 2321, "else"
-	line 416, "pan.___", state 2324, "(1)"
-	line 416, "pan.___", state 2325, "(1)"
-	line 416, "pan.___", state 2325, "(1)"
-	line 414, "pan.___", state 2330, "((i<1))"
-	line 414, "pan.___", state 2330, "((i>=1))"
-	line 421, "pan.___", state 2337, "(1)"
-	line 421, "pan.___", state 2338, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 2338, "else"
-	line 421, "pan.___", state 2341, "(1)"
-	line 421, "pan.___", state 2342, "(1)"
-	line 421, "pan.___", state 2342, "(1)"
-	line 425, "pan.___", state 2350, "(1)"
-	line 425, "pan.___", state 2351, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 2351, "else"
-	line 425, "pan.___", state 2354, "(1)"
-	line 425, "pan.___", state 2355, "(1)"
-	line 425, "pan.___", state 2355, "(1)"
-	line 423, "pan.___", state 2360, "((i<2))"
-	line 423, "pan.___", state 2360, "((i>=2))"
-	line 430, "pan.___", state 2364, "(1)"
-	line 430, "pan.___", state 2364, "(1)"
-	line 717, "pan.___", state 2367, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 717, "pan.___", state 2368, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 717, "pan.___", state 2369, "(1)"
-	line 395, "pan.___", state 2376, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2408, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2422, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2441, "(1)"
-	line 421, "pan.___", state 2471, "(1)"
-	line 425, "pan.___", state 2484, "(1)"
-	line 395, "pan.___", state 2511, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2543, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2557, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2576, "(1)"
-	line 421, "pan.___", state 2606, "(1)"
-	line 425, "pan.___", state 2619, "(1)"
-	line 395, "pan.___", state 2640, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2672, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2686, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2705, "(1)"
-	line 421, "pan.___", state 2735, "(1)"
-	line 425, "pan.___", state 2748, "(1)"
-	line 227, "pan.___", state 2781, "(1)"
-	line 235, "pan.___", state 2801, "(1)"
-	line 239, "pan.___", state 2809, "(1)"
-	line 227, "pan.___", state 2824, "(1)"
-	line 235, "pan.___", state 2844, "(1)"
-	line 239, "pan.___", state 2852, "(1)"
-	line 877, "pan.___", state 2869, "-end-"
-	(278 of 2869 states)
-unreached in proctype urcu_writer
-	line 395, "pan.___", state 18, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 32, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 50, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 83, "(1)"
-	line 416, "pan.___", state 96, "(1)"
-	line 421, "pan.___", state 113, "(1)"
-	line 250, "pan.___", state 149, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 158, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 171, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 211, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 225, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 243, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 257, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 276, "(1)"
-	line 416, "pan.___", state 289, "(1)"
-	line 421, "pan.___", state 306, "(1)"
-	line 425, "pan.___", state 319, "(1)"
-	line 399, "pan.___", state 356, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 374, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 388, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 420, "(1)"
-	line 421, "pan.___", state 437, "(1)"
-	line 425, "pan.___", state 450, "(1)"
-	line 399, "pan.___", state 494, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 512, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 526, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 558, "(1)"
-	line 421, "pan.___", state 575, "(1)"
-	line 425, "pan.___", state 588, "(1)"
-	line 399, "pan.___", state 623, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 641, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 655, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 687, "(1)"
-	line 421, "pan.___", state 704, "(1)"
-	line 425, "pan.___", state 717, "(1)"
-	line 399, "pan.___", state 754, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 772, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 786, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 818, "(1)"
-	line 421, "pan.___", state 835, "(1)"
-	line 425, "pan.___", state 848, "(1)"
-	line 250, "pan.___", state 898, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 907, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 920, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 945, "(1)"
-	line 231, "pan.___", state 953, "(1)"
-	line 235, "pan.___", state 965, "(1)"
-	line 239, "pan.___", state 973, "(1)"
-	line 250, "pan.___", state 1004, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1013, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1026, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1035, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1051, "(1)"
-	line 231, "pan.___", state 1059, "(1)"
-	line 235, "pan.___", state 1071, "(1)"
-	line 239, "pan.___", state 1079, "(1)"
-	line 250, "pan.___", state 1100, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1109, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1124, "(1)"
-	line 262, "pan.___", state 1131, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1147, "(1)"
-	line 231, "pan.___", state 1155, "(1)"
-	line 235, "pan.___", state 1167, "(1)"
-	line 239, "pan.___", state 1175, "(1)"
-	line 250, "pan.___", state 1206, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1215, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1228, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1237, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1253, "(1)"
-	line 231, "pan.___", state 1261, "(1)"
-	line 235, "pan.___", state 1273, "(1)"
-	line 239, "pan.___", state 1281, "(1)"
-	line 254, "pan.___", state 1307, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1320, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1329, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1345, "(1)"
-	line 231, "pan.___", state 1353, "(1)"
-	line 235, "pan.___", state 1365, "(1)"
-	line 239, "pan.___", state 1373, "(1)"
-	line 250, "pan.___", state 1404, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1413, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1426, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1435, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1451, "(1)"
-	line 231, "pan.___", state 1459, "(1)"
-	line 235, "pan.___", state 1471, "(1)"
-	line 239, "pan.___", state 1479, "(1)"
-	line 254, "pan.___", state 1505, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1518, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1527, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1543, "(1)"
-	line 231, "pan.___", state 1551, "(1)"
-	line 235, "pan.___", state 1563, "(1)"
-	line 239, "pan.___", state 1571, "(1)"
-	line 250, "pan.___", state 1602, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1611, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1624, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1633, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1649, "(1)"
-	line 231, "pan.___", state 1657, "(1)"
-	line 235, "pan.___", state 1669, "(1)"
-	line 239, "pan.___", state 1677, "(1)"
-	line 254, "pan.___", state 1703, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1716, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1725, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1741, "(1)"
-	line 231, "pan.___", state 1749, "(1)"
-	line 235, "pan.___", state 1761, "(1)"
-	line 239, "pan.___", state 1769, "(1)"
-	line 250, "pan.___", state 1800, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1809, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1822, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1831, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1847, "(1)"
-	line 231, "pan.___", state 1855, "(1)"
-	line 235, "pan.___", state 1867, "(1)"
-	line 239, "pan.___", state 1875, "(1)"
-	line 1204, "pan.___", state 1891, "-end-"
-	(118 of 1891 states)
-unreached in proctype :init:
-	(0 of 78 states)
-unreached in proctype :never:
-	line 1265, "pan.___", state 11, "-end-"
-	(1 of 11 states)
-
-pan: elapsed time 3.42e+04 seconds
-pan: rate 1751.5295 states/second
-pan: avg transition delay 1.3345e-06 usec
-cp .input.spin urcu_progress_reader.spin.input
-cp .input.spin.trail urcu_progress_reader.spin.input.trail
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_progress_reader.spin.input b/formal-model/results/urcu-controldataflow-ipi/urcu_progress_reader.spin.input
deleted file mode 100644
index fc0b3ae..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_progress_reader.spin.input
+++ /dev/null
@@ -1,1240 +0,0 @@
-#define READER_PROGRESS
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-//#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)
-//#else
-//#define PROGRESS_LABEL(progressid)
-//#endif
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_progress_reader.spin.input.trail b/formal-model/results/urcu-controldataflow-ipi/urcu_progress_reader.spin.input.trail
deleted file mode 100644
index a0cf98c..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_progress_reader.spin.input.trail
+++ /dev/null
@@ -1,1767 +0,0 @@
--2:3:-2
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-1188:2:4107
-1189:2:4102
-1190:2:4106
-1191:2:4107
-1192:2:4111
-1193:2:4118
-1194:2:4125
-1195:2:4126
-1196:2:4133
-1197:2:4138
-1198:2:4145
-1199:2:4146
-1200:2:4145
-1201:2:4146
-1202:2:4153
-1203:2:4157
-1204:0:4844
-1205:2:3071
-1206:2:3753
-1207:0:4844
-1208:2:2881
-1209:0:4844
-1210:2:3072
-1211:0:4844
-1212:2:2881
-1213:0:4844
-1214:2:3075
-1215:2:3076
-1216:2:3080
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-1218:2:3089
-1219:2:3090
-1220:2:3094
-1221:2:3095
-1222:2:3103
-1223:2:3108
-1224:2:3112
-1225:2:3113
-1226:2:3121
-1227:2:3122
-1228:2:3126
-1229:2:3127
-1230:2:3121
-1231:2:3122
-1232:2:3126
-1233:2:3127
-1234:2:3135
-1235:2:3140
-1236:2:3141
-1237:2:3152
-1238:2:3153
-1239:2:3154
-1240:2:3165
-1241:2:3170
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-1243:2:3182
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-1249:2:3195
-1250:2:3202
-1251:0:4844
-1252:2:2881
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-1254:2:3206
-1255:2:3207
-1256:2:3208
-1257:2:3220
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-1260:2:3226
-1261:2:3234
-1262:2:3239
-1263:2:3243
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-1289:2:3337
-1290:2:3338
-1291:0:4844
-1292:2:2881
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-1294:2:3344
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-1330:0:4844
-1331:2:2881
-1332:0:4844
-1333:2:3473
-1334:2:3474
-1335:2:3478
-1336:2:3479
-1337:2:3487
-1338:2:3488
-1339:2:3492
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-1342:2:3506
-1343:2:3510
-1344:2:3511
-1345:2:3519
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-1349:2:3519
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-1359:2:3563
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-1361:2:3569
-1362:2:3580
-1363:2:3581
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-1365:2:3580
-1366:2:3581
-1367:2:3582
-1368:2:3593
-1369:2:3600
-1370:0:4844
-1371:2:2881
-1372:0:4844
-1373:2:3604
-1374:2:3605
-1375:2:3606
-1376:2:3618
-1377:2:3619
-1378:2:3623
-1379:2:3624
-1380:2:3632
-1381:2:3637
-1382:2:3641
-1383:2:3642
-1384:2:3650
-1385:2:3651
-1386:2:3655
-1387:2:3656
-1388:2:3650
-1389:2:3651
-1390:2:3655
-1391:2:3656
-1392:2:3664
-1393:2:3669
-1394:2:3670
-1395:2:3681
-1396:2:3682
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-1398:2:3694
-1399:2:3699
-1400:2:3700
-1401:2:3711
-1402:2:3712
-1403:2:3713
-1404:2:3711
-1405:2:3712
-1406:2:3713
-1407:2:3724
-1408:2:3734
-1409:2:3735
-1410:0:4844
-1411:2:2881
-1412:0:4844
-1413:2:3741
-1414:0:4844
-1415:2:4563
-1416:2:4564
-1417:2:4568
-1418:2:4572
-1419:2:4573
-1420:2:4577
-1421:2:4585
-1422:2:4586
-1423:2:4590
-1424:2:4594
-1425:2:4595
-1426:2:4590
-1427:2:4594
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-1429:2:4599
-1430:2:4606
-1431:2:4613
-1432:2:4614
-1433:2:4621
-1434:2:4626
-1435:2:4633
-1436:2:4634
-1437:2:4633
-1438:2:4634
-1439:2:4641
-1440:2:4645
-1441:0:4844
-1442:2:4650
-1443:0:4844
-1444:2:4651
-1445:0:4844
-1446:2:4652
-1447:0:4844
-1448:1:26
-1449:0:4844
-1450:1:30
-1451:1:31
-1452:1:35
-1453:1:39
-1454:1:40
-1455:1:44
-1456:1:52
-1457:1:53
-1458:1:57
-1459:1:61
-1460:1:62
-1461:1:57
-1462:1:61
-1463:1:62
-1464:1:66
-1465:1:73
-1466:1:80
-1467:1:81
-1468:1:88
-1469:1:93
-1470:1:100
-1471:1:101
-1472:1:100
-1473:1:101
-1474:1:108
-1475:1:112
-1476:0:4844
-1477:1:117
-1478:0:4844
-1479:2:4655
-1480:0:4844
-1481:2:4660
-1482:0:4844
-1483:2:4661
-1484:0:4844
-1485:2:4669
-1486:2:4670
-1487:2:4674
-1488:2:4678
-1489:2:4679
-1490:2:4683
-1491:2:4691
-1492:2:4692
-1493:2:4696
-1494:2:4700
-1495:2:4701
-1496:2:4696
-1497:2:4700
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-1499:2:4705
-1500:2:4712
-1501:2:4719
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-1503:2:4727
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-1505:2:4739
-1506:2:4740
-1507:2:4739
-1508:2:4740
-1509:2:4747
-1510:2:4751
-1511:0:4844
-1512:2:3743
-1513:2:3753
-1514:0:4844
-1515:2:2881
-1516:0:4844
-1517:2:3744
-1518:2:3745
-1519:0:4844
-1520:2:2881
-1521:0:4844
-1522:2:3749
-1523:0:4844
-1524:2:3757
-1525:0:4844
-1526:2:3758
-1527:0:4844
-1528:2:3763
-1529:0:4844
-1530:2:3767
-1531:2:3768
-1532:2:3772
-1533:2:3776
-1534:2:3777
-1535:2:3781
-1536:2:3789
-1537:2:3790
-1538:2:3794
-1539:2:3795
-1540:2:3794
-1541:2:3798
-1542:2:3799
-1543:2:3803
-1544:2:3810
-1545:2:3817
-1546:2:3818
-1547:2:3825
-1548:2:3830
-1549:2:3837
-1550:2:3838
-1551:2:3837
-1552:2:3838
-1553:2:3845
-1554:2:3849
-1555:0:4844
-1556:2:3854
-1557:0:4844
-1558:2:3855
-1559:0:4844
-1560:2:3856
-1561:0:4844
-1562:1:26
-1563:0:4844
-1564:1:30
-1565:1:31
-1566:1:35
-1567:1:39
-1568:1:40
-1569:1:44
-1570:1:52
-1571:1:53
-1572:1:57
-1573:1:61
-1574:1:62
-1575:1:57
-1576:1:61
-1577:1:62
-1578:1:66
-1579:1:73
-1580:1:80
-1581:1:81
-1582:1:88
-1583:1:93
-1584:1:100
-1585:1:101
-1586:1:100
-1587:1:101
-1588:1:108
-1589:1:112
-1590:0:4844
-1591:1:117
-1592:0:4844
-1593:2:3859
-1594:0:4844
-1595:2:3864
-1596:0:4844
-1597:2:3865
-1598:0:4844
-1599:2:3873
-1600:2:3874
-1601:2:3878
-1602:2:3882
-1603:2:3883
-1604:2:3887
-1605:2:3895
-1606:2:3896
-1607:2:3900
-1608:2:3904
-1609:2:3905
-1610:2:3900
-1611:2:3904
-1612:2:3905
-1613:2:3909
-1614:2:3916
-1615:2:3923
-1616:2:3924
-1617:2:3931
-1618:2:3936
-1619:2:3943
-1620:2:3944
-1621:2:3943
-1622:2:3944
-1623:2:3951
-1624:2:3955
-1625:0:4844
-1626:2:3961
-1627:0:4844
-1628:2:3763
-1629:0:4844
-1630:2:3767
-1631:2:3768
-1632:2:3772
-1633:2:3776
-1634:2:3777
-1635:2:3781
-1636:2:3789
-1637:2:3790
-1638:2:3794
-1639:2:3798
-1640:2:3799
-1641:2:3794
-1642:2:3798
-1643:2:3799
-1644:2:3803
-1645:2:3810
-1646:2:3817
-1647:2:3818
-1648:2:3825
-1649:2:3830
-1650:2:3837
-1651:2:3838
-1652:2:3837
-1653:2:3838
-1654:2:3845
-1655:2:3849
-1656:0:4844
-1657:2:3854
-1658:0:4844
-1659:2:3855
-1660:0:4844
-1661:2:3856
-1662:0:4844
-1663:1:26
--1:-1:-1
-1664:0:4844
-1665:1:30
-1666:1:31
-1667:1:35
-1668:1:39
-1669:1:40
-1670:1:44
-1671:1:52
-1672:1:53
-1673:1:57
-1674:1:61
-1675:1:62
-1676:1:57
-1677:1:61
-1678:1:62
-1679:1:66
-1680:1:73
-1681:1:80
-1682:1:81
-1683:1:88
-1684:1:93
-1685:1:100
-1686:1:101
-1687:1:100
-1688:1:101
-1689:1:108
-1690:1:112
-1691:0:4844
-1692:1:117
-1693:0:4844
-1694:2:3859
-1695:0:4844
-1696:2:3864
-1697:0:4844
-1698:2:3865
-1699:0:4844
-1700:2:3873
-1701:2:3874
-1702:2:3878
-1703:2:3882
-1704:2:3883
-1705:2:3887
-1706:2:3895
-1707:2:3896
-1708:2:3900
-1709:2:3904
-1710:2:3905
-1711:2:3900
-1712:2:3904
-1713:2:3905
-1714:2:3909
-1715:2:3916
-1716:2:3923
-1717:2:3924
-1718:2:3931
-1719:2:3936
-1720:2:3943
-1721:2:3944
-1722:2:3943
-1723:2:3944
-1724:2:3951
-1725:2:3955
-1726:0:4844
-1727:2:3961
-1728:0:4844
-1729:2:3763
-1730:0:4844
-1731:2:3767
-1732:2:3768
-1733:2:3772
-1734:2:3776
-1735:2:3777
-1736:2:3781
-1737:2:3789
-1738:2:3790
-1739:2:3794
-1740:2:3798
-1741:2:3799
-1742:2:3794
-1743:2:3798
-1744:2:3799
-1745:2:3803
-1746:2:3810
-1747:2:3817
-1748:2:3818
-1749:2:3825
-1750:2:3830
-1751:2:3837
-1752:2:3838
-1753:2:3837
-1754:2:3838
-1755:2:3845
-1756:2:3849
-1757:0:4844
-1758:2:3854
-1759:0:4844
-1760:2:3855
-1761:0:4844
-1762:2:3856
-1763:0:4844
-1764:1:26
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_progress_writer.define b/formal-model/results/urcu-controldataflow-ipi/urcu_progress_writer.define
deleted file mode 100644
index 1e4417f..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_progress_writer.define
+++ /dev/null
@@ -1 +0,0 @@
-#define WRITER_PROGRESS
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_progress_writer.log b/formal-model/results/urcu-controldataflow-ipi/urcu_progress_writer.log
deleted file mode 100644
index 7a8b4c1..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_progress_writer.log
+++ /dev/null
@@ -1,581 +0,0 @@
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define > pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_progress.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_progress_writer.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -f -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1258)
-depth 23: Claim reached state 9 (line 1263)
-depth 51: Claim reached state 9 (line 1262)
-Depth=    6084 States=    1e+06 Transitions=    2e+08 Memory=   516.838	t=    264 R=   4e+03
-Depth=    7018 States=    2e+06 Transitions= 4.38e+08 Memory=   566.154	t=    585 R=   3e+03
-Depth=    7018 States=    3e+06 Transitions= 6.49e+08 Memory=   616.545	t=    870 R=   3e+03
-pan: resizing hashtable to -w22..  done
-Depth=    7018 States=    4e+06 Transitions= 8.46e+08 Memory=   698.447	t= 1.13e+03 R=   4e+03
-Depth=    7018 States=    5e+06 Transitions= 1.29e+09 Memory=   742.979	t= 1.73e+03 R=   3e+03
-Depth=    7018 States=    6e+06 Transitions=  1.8e+09 Memory=   789.170	t= 2.44e+03 R=   2e+03
-Depth=    7018 States=    7e+06 Transitions= 2.27e+09 Memory=   833.506	t= 3.09e+03 R=   2e+03
-Depth=    7018 States=    8e+06 Transitions= 2.76e+09 Memory=   880.283	t= 3.76e+03 R=   2e+03
-Depth=    7018 States=    9e+06 Transitions= 3.05e+09 Memory=   928.135	t= 4.16e+03 R=   2e+03
-pan: resizing hashtable to -w24..  done
-Depth=    7018 States=    1e+07 Transitions=  3.3e+09 Memory=  1102.815	t= 4.5e+03 R=   2e+03
-Depth=    7018 States=  1.1e+07 Transitions= 3.74e+09 Memory=  1148.322	t= 5.08e+03 R=   2e+03
-Depth=    7018 States=  1.2e+07 Transitions= 4.65e+09 Memory=  1195.783	t= 6.37e+03 R=   2e+03
-Depth=    7018 States=  1.3e+07 Transitions= 5.63e+09 Memory=  1235.334	t= 7.72e+03 R=   2e+03
-Depth=    7018 States=  1.4e+07 Transitions= 6.21e+09 Memory=  1277.912	t= 8.53e+03 R=   2e+03
-Depth=    7018 States=  1.5e+07 Transitions= 6.77e+09 Memory=  1325.276	t= 9.3e+03 R=   2e+03
-Depth=    7018 States=  1.6e+07 Transitions= 7.05e+09 Memory=  1372.248	t= 9.68e+03 R=   2e+03
-Depth=    7018 States=  1.7e+07 Transitions= 7.66e+09 Memory=  1417.463	t= 1.05e+04 R=   2e+03
-Depth=    7018 States=  1.8e+07 Transitions= 8.25e+09 Memory=  1463.264	t= 1.13e+04 R=   2e+03
-Depth=    7018 States=  1.9e+07 Transitions= 8.65e+09 Memory=  1513.068	t= 1.19e+04 R=   2e+03
-Depth=    7018 States=    2e+07 Transitions= 8.97e+09 Memory=  1561.408	t= 1.23e+04 R=   2e+03
-Depth=    7018 States=  2.1e+07 Transitions= 9.29e+09 Memory=  1609.651	t= 1.28e+04 R=   2e+03
-Depth=    7018 States=  2.2e+07 Transitions= 9.65e+09 Memory=  1659.065	t= 1.33e+04 R=   2e+03
-Depth=    7018 States=  2.3e+07 Transitions= 9.91e+09 Memory=  1708.186	t= 1.36e+04 R=   2e+03
-Depth=    7018 States=  2.4e+07 Transitions= 1.03e+10 Memory=  1757.307	t= 1.41e+04 R=   2e+03
-Depth=    7018 States=  2.5e+07 Transitions= 1.05e+10 Memory=  1807.014	t= 1.45e+04 R=   2e+03
-Depth=    7018 States=  2.6e+07 Transitions= 1.09e+10 Memory=  1856.623	t= 1.49e+04 R=   2e+03
-Depth=    7018 States=  2.7e+07 Transitions= 1.12e+10 Memory=  1906.428	t= 1.54e+04 R=   2e+03
-Depth=    7018 States=  2.8e+07 Transitions= 1.16e+10 Memory=  1951.838	t= 1.59e+04 R=   2e+03
-Depth=    7018 States=  2.9e+07 Transitions=  1.2e+10 Memory=  1998.615	t= 1.65e+04 R=   2e+03
-Depth=    7018 States=    3e+07 Transitions= 1.25e+10 Memory=  2044.026	t= 1.73e+04 R=   2e+03
-Depth=    7018 States=  3.1e+07 Transitions= 1.31e+10 Memory=  2087.971	t= 1.8e+04 R=   2e+03
-Depth=    7018 States=  3.2e+07 Transitions= 1.36e+10 Memory=  2134.455	t= 1.87e+04 R=   2e+03
-Depth=    7018 States=  3.3e+07 Transitions= 1.39e+10 Memory=  2181.818	t= 1.92e+04 R=   2e+03
-Depth=    7018 States=  3.4e+07 Transitions= 1.42e+10 Memory=  2232.795	t= 1.95e+04 R=   2e+03
-pan: resizing hashtable to -w26..  done
-Depth=    7018 States=  3.5e+07 Transitions= 1.45e+10 Memory=  2776.338	t= 1.99e+04 R=   2e+03
-Depth=    7018 States=  3.6e+07 Transitions= 1.52e+10 Memory=  2822.041	t= 2.09e+04 R=   2e+03
-Depth=    7018 States=  3.7e+07 Transitions= 1.62e+10 Memory=  2866.182	t= 2.23e+04 R=   2e+03
-Depth=    7018 States=  3.8e+07 Transitions=  1.7e+10 Memory=  2904.365	t= 2.35e+04 R=   2e+03
-Depth=    7018 States=  3.9e+07 Transitions= 1.76e+10 Memory=  2950.361	t= 2.43e+04 R=   2e+03
-Depth=    7018 States=    4e+07 Transitions= 1.79e+10 Memory=  2998.701	t= 2.47e+04 R=   2e+03
-Depth=    7018 States=  4.1e+07 Transitions= 1.84e+10 Memory=  3044.600	t= 2.53e+04 R=   2e+03
-Depth=    7018 States=  4.2e+07 Transitions= 1.89e+10 Memory=  3090.498	t= 2.61e+04 R=   2e+03
-Depth=    7018 States=  4.3e+07 Transitions= 1.95e+10 Memory=  3136.885	t= 2.68e+04 R=   2e+03
-Depth=    7018 States=  4.4e+07 Transitions= 1.98e+10 Memory=  3186.299	t= 2.73e+04 R=   2e+03
-Depth=    7018 States=  4.5e+07 Transitions= 2.01e+10 Memory=  3235.225	t= 2.77e+04 R=   2e+03
-Depth=    7018 States=  4.6e+07 Transitions= 2.04e+10 Memory=  3284.541	t= 2.82e+04 R=   2e+03
-Depth=    7018 States=  4.7e+07 Transitions= 2.08e+10 Memory=  3334.541	t= 2.87e+04 R=   2e+03
-Depth=    7018 States=  4.8e+07 Transitions= 2.11e+10 Memory=  3383.565	t= 2.91e+04 R=   2e+03
-Depth=    7018 States=  4.9e+07 Transitions= 2.14e+10 Memory=  3432.588	t= 2.95e+04 R=   2e+03
-Depth=    7018 States=    5e+07 Transitions= 2.17e+10 Memory=  3483.369	t= 2.99e+04 R=   2e+03
-Depth=    7018 States=  5.1e+07 Transitions= 2.21e+10 Memory=  3532.490	t= 3.04e+04 R=   2e+03
-Depth=    7018 States=  5.2e+07 Transitions= 2.23e+10 Memory=  3580.147	t= 3.07e+04 R=   2e+03
-Depth=    7018 States=  5.3e+07 Transitions= 2.27e+10 Memory=  3625.752	t= 3.13e+04 R=   2e+03
-Depth=    7018 States=  5.4e+07 Transitions= 2.32e+10 Memory=  3671.943	t= 3.2e+04 R=   2e+03
-Depth=    7018 States=  5.5e+07 Transitions= 2.38e+10 Memory=  3715.693	t= 3.27e+04 R=   2e+03
-Depth=    7018 States=  5.6e+07 Transitions= 2.42e+10 Memory=  3762.276	t= 3.33e+04 R=   2e+03
-Depth=    7018 States=  5.7e+07 Transitions= 2.48e+10 Memory=  3808.565	t= 3.41e+04 R=   2e+03
-Depth=    7018 States=  5.8e+07 Transitions= 2.53e+10 Memory=  3855.440	t= 3.48e+04 R=   2e+03
-
-(Spin Version 5.1.7 -- 23 December 2008)
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness enabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 7018, errors: 0
- 32735820 states, stored (5.82355e+07 visited)
-2.5283515e+10 states, matched
-2.534175e+10 transitions (= visited+matched)
-1.4761827e+11 atomic steps
-hash conflicts: 8.6523014e+09 (resolved)
-
-Stats on memory usage (in Megabytes):
- 3621.440	equivalent memory usage for states (stored*(State-vector + overhead))
- 2898.114	actual memory usage for states (compression: 80.03%)
-         	state-vector as stored = 65 byte + 28 byte overhead
-  512.000	memory used for hash table (-w26)
-  457.764	memory used for DFS stack (-m10000000)
-    1.598	memory lost to fragmentation
- 3866.279	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 250, "pan.___", state 30, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 52, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 61, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 77, "(1)"
-	line 231, "pan.___", state 85, "(1)"
-	line 235, "pan.___", state 97, "(1)"
-	line 239, "pan.___", state 105, "(1)"
-	line 395, "pan.___", state 131, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 163, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 177, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 196, "(1)"
-	line 421, "pan.___", state 226, "(1)"
-	line 425, "pan.___", state 239, "(1)"
-	line 670, "pan.___", state 260, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 395, "pan.___", state 267, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 299, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 313, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 332, "(1)"
-	line 421, "pan.___", state 362, "(1)"
-	line 425, "pan.___", state 375, "(1)"
-	line 395, "pan.___", state 396, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 428, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 442, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 461, "(1)"
-	line 421, "pan.___", state 491, "(1)"
-	line 425, "pan.___", state 504, "(1)"
-	line 395, "pan.___", state 527, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 529, "(1)"
-	line 395, "pan.___", state 530, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 530, "else"
-	line 395, "pan.___", state 533, "(1)"
-	line 399, "pan.___", state 541, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 543, "(1)"
-	line 399, "pan.___", state 544, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 544, "else"
-	line 399, "pan.___", state 547, "(1)"
-	line 399, "pan.___", state 548, "(1)"
-	line 399, "pan.___", state 548, "(1)"
-	line 397, "pan.___", state 553, "((i<1))"
-	line 397, "pan.___", state 553, "((i>=1))"
-	line 404, "pan.___", state 559, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 561, "(1)"
-	line 404, "pan.___", state 562, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 562, "else"
-	line 404, "pan.___", state 565, "(1)"
-	line 404, "pan.___", state 566, "(1)"
-	line 404, "pan.___", state 566, "(1)"
-	line 408, "pan.___", state 573, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 575, "(1)"
-	line 408, "pan.___", state 576, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 576, "else"
-	line 408, "pan.___", state 579, "(1)"
-	line 408, "pan.___", state 580, "(1)"
-	line 408, "pan.___", state 580, "(1)"
-	line 406, "pan.___", state 585, "((i<2))"
-	line 406, "pan.___", state 585, "((i>=2))"
-	line 412, "pan.___", state 592, "(1)"
-	line 412, "pan.___", state 593, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 593, "else"
-	line 412, "pan.___", state 596, "(1)"
-	line 412, "pan.___", state 597, "(1)"
-	line 412, "pan.___", state 597, "(1)"
-	line 416, "pan.___", state 605, "(1)"
-	line 416, "pan.___", state 606, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 606, "else"
-	line 416, "pan.___", state 609, "(1)"
-	line 416, "pan.___", state 610, "(1)"
-	line 416, "pan.___", state 610, "(1)"
-	line 414, "pan.___", state 615, "((i<1))"
-	line 414, "pan.___", state 615, "((i>=1))"
-	line 421, "pan.___", state 622, "(1)"
-	line 421, "pan.___", state 623, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 623, "else"
-	line 421, "pan.___", state 626, "(1)"
-	line 421, "pan.___", state 627, "(1)"
-	line 421, "pan.___", state 627, "(1)"
-	line 425, "pan.___", state 635, "(1)"
-	line 425, "pan.___", state 636, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 636, "else"
-	line 425, "pan.___", state 639, "(1)"
-	line 425, "pan.___", state 640, "(1)"
-	line 425, "pan.___", state 640, "(1)"
-	line 423, "pan.___", state 645, "((i<2))"
-	line 423, "pan.___", state 645, "((i>=2))"
-	line 430, "pan.___", state 649, "(1)"
-	line 430, "pan.___", state 649, "(1)"
-	line 670, "pan.___", state 652, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 670, "pan.___", state 653, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 670, "pan.___", state 654, "(1)"
-	line 395, "pan.___", state 661, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 693, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 707, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 726, "(1)"
-	line 421, "pan.___", state 756, "(1)"
-	line 425, "pan.___", state 769, "(1)"
-	line 395, "pan.___", state 797, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 799, "(1)"
-	line 395, "pan.___", state 800, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 800, "else"
-	line 395, "pan.___", state 803, "(1)"
-	line 399, "pan.___", state 811, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 813, "(1)"
-	line 399, "pan.___", state 814, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 814, "else"
-	line 399, "pan.___", state 817, "(1)"
-	line 399, "pan.___", state 818, "(1)"
-	line 399, "pan.___", state 818, "(1)"
-	line 397, "pan.___", state 823, "((i<1))"
-	line 397, "pan.___", state 823, "((i>=1))"
-	line 404, "pan.___", state 829, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 831, "(1)"
-	line 404, "pan.___", state 832, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 832, "else"
-	line 404, "pan.___", state 835, "(1)"
-	line 404, "pan.___", state 836, "(1)"
-	line 404, "pan.___", state 836, "(1)"
-	line 408, "pan.___", state 843, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 845, "(1)"
-	line 408, "pan.___", state 846, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 846, "else"
-	line 408, "pan.___", state 849, "(1)"
-	line 408, "pan.___", state 850, "(1)"
-	line 408, "pan.___", state 850, "(1)"
-	line 406, "pan.___", state 855, "((i<2))"
-	line 406, "pan.___", state 855, "((i>=2))"
-	line 412, "pan.___", state 862, "(1)"
-	line 412, "pan.___", state 863, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 863, "else"
-	line 412, "pan.___", state 866, "(1)"
-	line 412, "pan.___", state 867, "(1)"
-	line 412, "pan.___", state 867, "(1)"
-	line 416, "pan.___", state 875, "(1)"
-	line 416, "pan.___", state 876, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 876, "else"
-	line 416, "pan.___", state 879, "(1)"
-	line 416, "pan.___", state 880, "(1)"
-	line 416, "pan.___", state 880, "(1)"
-	line 414, "pan.___", state 885, "((i<1))"
-	line 414, "pan.___", state 885, "((i>=1))"
-	line 421, "pan.___", state 892, "(1)"
-	line 421, "pan.___", state 893, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 893, "else"
-	line 421, "pan.___", state 896, "(1)"
-	line 421, "pan.___", state 897, "(1)"
-	line 421, "pan.___", state 897, "(1)"
-	line 425, "pan.___", state 905, "(1)"
-	line 425, "pan.___", state 906, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 906, "else"
-	line 425, "pan.___", state 909, "(1)"
-	line 425, "pan.___", state 910, "(1)"
-	line 425, "pan.___", state 910, "(1)"
-	line 430, "pan.___", state 919, "(1)"
-	line 430, "pan.___", state 919, "(1)"
-	line 395, "pan.___", state 926, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 928, "(1)"
-	line 395, "pan.___", state 929, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 929, "else"
-	line 395, "pan.___", state 932, "(1)"
-	line 399, "pan.___", state 940, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 942, "(1)"
-	line 399, "pan.___", state 943, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 943, "else"
-	line 399, "pan.___", state 946, "(1)"
-	line 399, "pan.___", state 947, "(1)"
-	line 399, "pan.___", state 947, "(1)"
-	line 397, "pan.___", state 952, "((i<1))"
-	line 397, "pan.___", state 952, "((i>=1))"
-	line 404, "pan.___", state 958, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 960, "(1)"
-	line 404, "pan.___", state 961, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 961, "else"
-	line 404, "pan.___", state 964, "(1)"
-	line 404, "pan.___", state 965, "(1)"
-	line 404, "pan.___", state 965, "(1)"
-	line 408, "pan.___", state 972, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 974, "(1)"
-	line 408, "pan.___", state 975, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 975, "else"
-	line 408, "pan.___", state 978, "(1)"
-	line 408, "pan.___", state 979, "(1)"
-	line 408, "pan.___", state 979, "(1)"
-	line 406, "pan.___", state 984, "((i<2))"
-	line 406, "pan.___", state 984, "((i>=2))"
-	line 412, "pan.___", state 991, "(1)"
-	line 412, "pan.___", state 992, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 992, "else"
-	line 412, "pan.___", state 995, "(1)"
-	line 412, "pan.___", state 996, "(1)"
-	line 412, "pan.___", state 996, "(1)"
-	line 416, "pan.___", state 1004, "(1)"
-	line 416, "pan.___", state 1005, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 1005, "else"
-	line 416, "pan.___", state 1008, "(1)"
-	line 416, "pan.___", state 1009, "(1)"
-	line 416, "pan.___", state 1009, "(1)"
-	line 414, "pan.___", state 1014, "((i<1))"
-	line 414, "pan.___", state 1014, "((i>=1))"
-	line 421, "pan.___", state 1021, "(1)"
-	line 421, "pan.___", state 1022, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 1022, "else"
-	line 421, "pan.___", state 1025, "(1)"
-	line 421, "pan.___", state 1026, "(1)"
-	line 421, "pan.___", state 1026, "(1)"
-	line 425, "pan.___", state 1034, "(1)"
-	line 425, "pan.___", state 1035, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 1035, "else"
-	line 425, "pan.___", state 1038, "(1)"
-	line 425, "pan.___", state 1039, "(1)"
-	line 425, "pan.___", state 1039, "(1)"
-	line 423, "pan.___", state 1044, "((i<2))"
-	line 423, "pan.___", state 1044, "((i>=2))"
-	line 430, "pan.___", state 1048, "(1)"
-	line 430, "pan.___", state 1048, "(1)"
-	line 678, "pan.___", state 1052, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 395, "pan.___", state 1057, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1089, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1103, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1122, "(1)"
-	line 421, "pan.___", state 1152, "(1)"
-	line 425, "pan.___", state 1165, "(1)"
-	line 395, "pan.___", state 1189, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1221, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1235, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1254, "(1)"
-	line 421, "pan.___", state 1284, "(1)"
-	line 425, "pan.___", state 1297, "(1)"
-	line 395, "pan.___", state 1322, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1354, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1368, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1387, "(1)"
-	line 421, "pan.___", state 1417, "(1)"
-	line 425, "pan.___", state 1430, "(1)"
-	line 395, "pan.___", state 1451, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1483, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1497, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1516, "(1)"
-	line 421, "pan.___", state 1546, "(1)"
-	line 425, "pan.___", state 1559, "(1)"
-	line 395, "pan.___", state 1585, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1617, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1631, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1650, "(1)"
-	line 421, "pan.___", state 1680, "(1)"
-	line 425, "pan.___", state 1693, "(1)"
-	line 395, "pan.___", state 1714, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1746, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1760, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1779, "(1)"
-	line 421, "pan.___", state 1809, "(1)"
-	line 425, "pan.___", state 1822, "(1)"
-	line 395, "pan.___", state 1846, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1878, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1892, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1911, "(1)"
-	line 421, "pan.___", state 1941, "(1)"
-	line 425, "pan.___", state 1954, "(1)"
-	line 717, "pan.___", state 1975, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 395, "pan.___", state 1982, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2014, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2028, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2047, "(1)"
-	line 421, "pan.___", state 2077, "(1)"
-	line 425, "pan.___", state 2090, "(1)"
-	line 395, "pan.___", state 2111, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2143, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2157, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2176, "(1)"
-	line 421, "pan.___", state 2206, "(1)"
-	line 425, "pan.___", state 2219, "(1)"
-	line 395, "pan.___", state 2242, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 2244, "(1)"
-	line 395, "pan.___", state 2245, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 2245, "else"
-	line 395, "pan.___", state 2248, "(1)"
-	line 399, "pan.___", state 2256, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2258, "(1)"
-	line 399, "pan.___", state 2259, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 2259, "else"
-	line 399, "pan.___", state 2262, "(1)"
-	line 399, "pan.___", state 2263, "(1)"
-	line 399, "pan.___", state 2263, "(1)"
-	line 397, "pan.___", state 2268, "((i<1))"
-	line 397, "pan.___", state 2268, "((i>=1))"
-	line 404, "pan.___", state 2274, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2276, "(1)"
-	line 404, "pan.___", state 2277, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 2277, "else"
-	line 404, "pan.___", state 2280, "(1)"
-	line 404, "pan.___", state 2281, "(1)"
-	line 404, "pan.___", state 2281, "(1)"
-	line 408, "pan.___", state 2288, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2290, "(1)"
-	line 408, "pan.___", state 2291, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 2291, "else"
-	line 408, "pan.___", state 2294, "(1)"
-	line 408, "pan.___", state 2295, "(1)"
-	line 408, "pan.___", state 2295, "(1)"
-	line 406, "pan.___", state 2300, "((i<2))"
-	line 406, "pan.___", state 2300, "((i>=2))"
-	line 412, "pan.___", state 2307, "(1)"
-	line 412, "pan.___", state 2308, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 2308, "else"
-	line 412, "pan.___", state 2311, "(1)"
-	line 412, "pan.___", state 2312, "(1)"
-	line 412, "pan.___", state 2312, "(1)"
-	line 416, "pan.___", state 2320, "(1)"
-	line 416, "pan.___", state 2321, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 2321, "else"
-	line 416, "pan.___", state 2324, "(1)"
-	line 416, "pan.___", state 2325, "(1)"
-	line 416, "pan.___", state 2325, "(1)"
-	line 414, "pan.___", state 2330, "((i<1))"
-	line 414, "pan.___", state 2330, "((i>=1))"
-	line 421, "pan.___", state 2337, "(1)"
-	line 421, "pan.___", state 2338, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 2338, "else"
-	line 421, "pan.___", state 2341, "(1)"
-	line 421, "pan.___", state 2342, "(1)"
-	line 421, "pan.___", state 2342, "(1)"
-	line 425, "pan.___", state 2350, "(1)"
-	line 425, "pan.___", state 2351, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 2351, "else"
-	line 425, "pan.___", state 2354, "(1)"
-	line 425, "pan.___", state 2355, "(1)"
-	line 425, "pan.___", state 2355, "(1)"
-	line 423, "pan.___", state 2360, "((i<2))"
-	line 423, "pan.___", state 2360, "((i>=2))"
-	line 430, "pan.___", state 2364, "(1)"
-	line 430, "pan.___", state 2364, "(1)"
-	line 717, "pan.___", state 2367, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 717, "pan.___", state 2368, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 717, "pan.___", state 2369, "(1)"
-	line 395, "pan.___", state 2376, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2408, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2422, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2441, "(1)"
-	line 421, "pan.___", state 2471, "(1)"
-	line 425, "pan.___", state 2484, "(1)"
-	line 395, "pan.___", state 2511, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2543, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2557, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2576, "(1)"
-	line 421, "pan.___", state 2606, "(1)"
-	line 425, "pan.___", state 2619, "(1)"
-	line 395, "pan.___", state 2640, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2672, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2686, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2705, "(1)"
-	line 421, "pan.___", state 2735, "(1)"
-	line 425, "pan.___", state 2748, "(1)"
-	line 227, "pan.___", state 2781, "(1)"
-	line 235, "pan.___", state 2801, "(1)"
-	line 239, "pan.___", state 2809, "(1)"
-	line 227, "pan.___", state 2824, "(1)"
-	line 235, "pan.___", state 2844, "(1)"
-	line 239, "pan.___", state 2852, "(1)"
-	line 877, "pan.___", state 2869, "-end-"
-	(278 of 2869 states)
-unreached in proctype urcu_writer
-	line 395, "pan.___", state 18, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 32, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 50, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 83, "(1)"
-	line 416, "pan.___", state 96, "(1)"
-	line 421, "pan.___", state 113, "(1)"
-	line 250, "pan.___", state 149, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 158, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 171, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 211, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 225, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 243, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 257, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 276, "(1)"
-	line 416, "pan.___", state 289, "(1)"
-	line 421, "pan.___", state 306, "(1)"
-	line 425, "pan.___", state 319, "(1)"
-	line 399, "pan.___", state 356, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 374, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 388, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 420, "(1)"
-	line 421, "pan.___", state 437, "(1)"
-	line 425, "pan.___", state 450, "(1)"
-	line 399, "pan.___", state 494, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 512, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 526, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 558, "(1)"
-	line 421, "pan.___", state 575, "(1)"
-	line 425, "pan.___", state 588, "(1)"
-	line 399, "pan.___", state 623, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 641, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 655, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 687, "(1)"
-	line 421, "pan.___", state 704, "(1)"
-	line 425, "pan.___", state 717, "(1)"
-	line 399, "pan.___", state 754, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 772, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 786, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 818, "(1)"
-	line 421, "pan.___", state 835, "(1)"
-	line 425, "pan.___", state 848, "(1)"
-	line 250, "pan.___", state 903, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 912, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 927, "(1)"
-	line 262, "pan.___", state 934, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 950, "(1)"
-	line 231, "pan.___", state 958, "(1)"
-	line 235, "pan.___", state 970, "(1)"
-	line 239, "pan.___", state 978, "(1)"
-	line 250, "pan.___", state 1009, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1018, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1031, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1040, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1056, "(1)"
-	line 231, "pan.___", state 1064, "(1)"
-	line 235, "pan.___", state 1076, "(1)"
-	line 239, "pan.___", state 1084, "(1)"
-	line 254, "pan.___", state 1110, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1123, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1132, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1148, "(1)"
-	line 231, "pan.___", state 1156, "(1)"
-	line 235, "pan.___", state 1168, "(1)"
-	line 239, "pan.___", state 1176, "(1)"
-	line 250, "pan.___", state 1207, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1216, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1229, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1238, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1254, "(1)"
-	line 231, "pan.___", state 1262, "(1)"
-	line 235, "pan.___", state 1274, "(1)"
-	line 239, "pan.___", state 1282, "(1)"
-	line 254, "pan.___", state 1308, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1321, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1330, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1346, "(1)"
-	line 231, "pan.___", state 1354, "(1)"
-	line 235, "pan.___", state 1366, "(1)"
-	line 239, "pan.___", state 1374, "(1)"
-	line 250, "pan.___", state 1405, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1414, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1427, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1436, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1452, "(1)"
-	line 231, "pan.___", state 1460, "(1)"
-	line 235, "pan.___", state 1472, "(1)"
-	line 239, "pan.___", state 1480, "(1)"
-	line 254, "pan.___", state 1506, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1519, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1528, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1544, "(1)"
-	line 231, "pan.___", state 1552, "(1)"
-	line 235, "pan.___", state 1564, "(1)"
-	line 239, "pan.___", state 1572, "(1)"
-	line 250, "pan.___", state 1603, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1612, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1625, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1634, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1650, "(1)"
-	line 231, "pan.___", state 1658, "(1)"
-	line 235, "pan.___", state 1670, "(1)"
-	line 239, "pan.___", state 1678, "(1)"
-	line 1204, "pan.___", state 1694, "-end-"
-	(103 of 1694 states)
-unreached in proctype :init:
-	(0 of 78 states)
-unreached in proctype :never:
-	line 1265, "pan.___", state 11, "-end-"
-	(1 of 11 states)
-
-pan: elapsed time 3.48e+04 seconds
-pan: rate 1671.9756 states/second
-pan: avg transition delay 1.3744e-06 usec
-cp .input.spin urcu_progress_writer.spin.input
-cp .input.spin.trail urcu_progress_writer.spin.input.trail
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_progress_writer.spin.input b/formal-model/results/urcu-controldataflow-ipi/urcu_progress_writer.spin.input
deleted file mode 100644
index 05d09b7..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_progress_writer.spin.input
+++ /dev/null
@@ -1,1240 +0,0 @@
-#define WRITER_PROGRESS
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-//#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)
-//#else
-//#define PROGRESS_LABEL(progressid)
-//#endif
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_progress_writer.spin.input.trail b/formal-model/results/urcu-controldataflow-ipi/urcu_progress_writer.spin.input.trail
deleted file mode 100644
index e8b02f0..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_progress_writer.spin.input.trail
+++ /dev/null
@@ -1,884 +0,0 @@
--2:3:-2
--4:-4:-4
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-3:3:4568
-4:3:4568
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-572:1:110
-573:1:114
--1:-1:-1
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-851:0:4649
-852:2:4063
-853:0:4649
-854:2:4062
-855:0:4649
-856:1:32
-857:1:33
-858:1:37
-859:1:41
-860:1:42
-861:1:46
-862:1:54
-863:1:55
-864:1:59
-865:1:63
-866:1:64
-867:1:59
-868:1:63
-869:1:64
-870:1:68
-871:1:75
-872:1:82
-873:1:83
-874:1:90
-875:1:95
-876:1:102
-877:1:103
-878:1:102
-879:1:103
-880:1:110
-881:1:114
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_progress_writer_error.define b/formal-model/results/urcu-controldataflow-ipi/urcu_progress_writer_error.define
deleted file mode 100644
index 8d304f5..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_progress_writer_error.define
+++ /dev/null
@@ -1,2 +0,0 @@
-#define WRITER_PROGRESS
-#define GEN_ERROR_WRITER_PROGRESS
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_progress_writer_error.log b/formal-model/results/urcu-controldataflow-ipi/urcu_progress_writer_error.log
deleted file mode 100644
index 499062a..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_progress_writer_error.log
+++ /dev/null
@@ -1,556 +0,0 @@
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define > pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_progress.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_progress_writer_error.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -f -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1259)
-depth 23: Claim reached state 9 (line 1264)
-depth 51: Claim reached state 9 (line 1263)
-pan: acceptance cycle (at depth 1669)
-pan: wrote .input.spin.trail
-
-(Spin Version 5.1.7 -- 23 December 2008)
-Warning: Search not completed
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness enabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 4939, errors: 1
-   565131 states, stored (936882 visited)
-1.8676179e+08 states, matched
-1.8769867e+08 transitions (= visited+matched)
-1.0114449e+09 atomic steps
-hash conflicts:  18464180 (resolved)
-
-Stats on memory usage (in Megabytes):
-   62.518	equivalent memory usage for states (stored*(State-vector + overhead))
-   48.226	actual memory usage for states (compression: 77.14%)
-         	state-vector as stored = 61 byte + 28 byte overhead
-    8.000	memory used for hash table (-w20)
-  457.764	memory used for DFS stack (-m10000000)
-  513.908	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 251, "pan.___", state 30, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 259, "pan.___", state 52, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 263, "pan.___", state 61, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 228, "pan.___", state 77, "(1)"
-	line 232, "pan.___", state 85, "(1)"
-	line 236, "pan.___", state 97, "(1)"
-	line 240, "pan.___", state 105, "(1)"
-	line 396, "pan.___", state 131, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 163, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 177, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 196, "(1)"
-	line 422, "pan.___", state 226, "(1)"
-	line 426, "pan.___", state 239, "(1)"
-	line 671, "pan.___", state 260, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 396, "pan.___", state 267, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 299, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 313, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 332, "(1)"
-	line 422, "pan.___", state 362, "(1)"
-	line 426, "pan.___", state 375, "(1)"
-	line 396, "pan.___", state 396, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 428, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 442, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 461, "(1)"
-	line 422, "pan.___", state 491, "(1)"
-	line 426, "pan.___", state 504, "(1)"
-	line 396, "pan.___", state 527, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 529, "(1)"
-	line 396, "pan.___", state 530, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 530, "else"
-	line 396, "pan.___", state 533, "(1)"
-	line 400, "pan.___", state 541, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 543, "(1)"
-	line 400, "pan.___", state 544, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 544, "else"
-	line 400, "pan.___", state 547, "(1)"
-	line 400, "pan.___", state 548, "(1)"
-	line 400, "pan.___", state 548, "(1)"
-	line 398, "pan.___", state 553, "((i<1))"
-	line 398, "pan.___", state 553, "((i>=1))"
-	line 405, "pan.___", state 559, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 561, "(1)"
-	line 405, "pan.___", state 562, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 562, "else"
-	line 405, "pan.___", state 565, "(1)"
-	line 405, "pan.___", state 566, "(1)"
-	line 405, "pan.___", state 566, "(1)"
-	line 409, "pan.___", state 573, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 575, "(1)"
-	line 409, "pan.___", state 576, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 409, "pan.___", state 576, "else"
-	line 409, "pan.___", state 579, "(1)"
-	line 409, "pan.___", state 580, "(1)"
-	line 409, "pan.___", state 580, "(1)"
-	line 407, "pan.___", state 585, "((i<2))"
-	line 407, "pan.___", state 585, "((i>=2))"
-	line 413, "pan.___", state 592, "(1)"
-	line 413, "pan.___", state 593, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 593, "else"
-	line 413, "pan.___", state 596, "(1)"
-	line 413, "pan.___", state 597, "(1)"
-	line 413, "pan.___", state 597, "(1)"
-	line 417, "pan.___", state 605, "(1)"
-	line 417, "pan.___", state 606, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 606, "else"
-	line 417, "pan.___", state 609, "(1)"
-	line 417, "pan.___", state 610, "(1)"
-	line 417, "pan.___", state 610, "(1)"
-	line 415, "pan.___", state 615, "((i<1))"
-	line 415, "pan.___", state 615, "((i>=1))"
-	line 422, "pan.___", state 622, "(1)"
-	line 422, "pan.___", state 623, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 422, "pan.___", state 623, "else"
-	line 422, "pan.___", state 626, "(1)"
-	line 422, "pan.___", state 627, "(1)"
-	line 422, "pan.___", state 627, "(1)"
-	line 426, "pan.___", state 635, "(1)"
-	line 426, "pan.___", state 636, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 426, "pan.___", state 636, "else"
-	line 426, "pan.___", state 639, "(1)"
-	line 426, "pan.___", state 640, "(1)"
-	line 426, "pan.___", state 640, "(1)"
-	line 424, "pan.___", state 645, "((i<2))"
-	line 424, "pan.___", state 645, "((i>=2))"
-	line 431, "pan.___", state 649, "(1)"
-	line 431, "pan.___", state 649, "(1)"
-	line 671, "pan.___", state 652, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 671, "pan.___", state 653, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 671, "pan.___", state 654, "(1)"
-	line 396, "pan.___", state 661, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 693, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 707, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 726, "(1)"
-	line 422, "pan.___", state 756, "(1)"
-	line 426, "pan.___", state 769, "(1)"
-	line 396, "pan.___", state 797, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 799, "(1)"
-	line 396, "pan.___", state 800, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 800, "else"
-	line 396, "pan.___", state 803, "(1)"
-	line 400, "pan.___", state 811, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 813, "(1)"
-	line 400, "pan.___", state 814, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 814, "else"
-	line 400, "pan.___", state 817, "(1)"
-	line 400, "pan.___", state 818, "(1)"
-	line 400, "pan.___", state 818, "(1)"
-	line 398, "pan.___", state 823, "((i<1))"
-	line 398, "pan.___", state 823, "((i>=1))"
-	line 405, "pan.___", state 829, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 831, "(1)"
-	line 405, "pan.___", state 832, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 832, "else"
-	line 405, "pan.___", state 835, "(1)"
-	line 405, "pan.___", state 836, "(1)"
-	line 405, "pan.___", state 836, "(1)"
-	line 409, "pan.___", state 843, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 845, "(1)"
-	line 409, "pan.___", state 846, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 409, "pan.___", state 846, "else"
-	line 409, "pan.___", state 849, "(1)"
-	line 409, "pan.___", state 850, "(1)"
-	line 409, "pan.___", state 850, "(1)"
-	line 407, "pan.___", state 855, "((i<2))"
-	line 407, "pan.___", state 855, "((i>=2))"
-	line 413, "pan.___", state 862, "(1)"
-	line 413, "pan.___", state 863, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 863, "else"
-	line 413, "pan.___", state 866, "(1)"
-	line 413, "pan.___", state 867, "(1)"
-	line 413, "pan.___", state 867, "(1)"
-	line 417, "pan.___", state 875, "(1)"
-	line 417, "pan.___", state 876, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 876, "else"
-	line 417, "pan.___", state 879, "(1)"
-	line 417, "pan.___", state 880, "(1)"
-	line 417, "pan.___", state 880, "(1)"
-	line 415, "pan.___", state 885, "((i<1))"
-	line 415, "pan.___", state 885, "((i>=1))"
-	line 422, "pan.___", state 892, "(1)"
-	line 422, "pan.___", state 893, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 422, "pan.___", state 893, "else"
-	line 422, "pan.___", state 896, "(1)"
-	line 422, "pan.___", state 897, "(1)"
-	line 422, "pan.___", state 897, "(1)"
-	line 426, "pan.___", state 905, "(1)"
-	line 426, "pan.___", state 906, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 426, "pan.___", state 906, "else"
-	line 426, "pan.___", state 909, "(1)"
-	line 426, "pan.___", state 910, "(1)"
-	line 426, "pan.___", state 910, "(1)"
-	line 431, "pan.___", state 919, "(1)"
-	line 431, "pan.___", state 919, "(1)"
-	line 396, "pan.___", state 926, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 928, "(1)"
-	line 396, "pan.___", state 929, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 929, "else"
-	line 396, "pan.___", state 932, "(1)"
-	line 400, "pan.___", state 940, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 942, "(1)"
-	line 400, "pan.___", state 943, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 943, "else"
-	line 400, "pan.___", state 946, "(1)"
-	line 400, "pan.___", state 947, "(1)"
-	line 400, "pan.___", state 947, "(1)"
-	line 398, "pan.___", state 952, "((i<1))"
-	line 398, "pan.___", state 952, "((i>=1))"
-	line 405, "pan.___", state 958, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 960, "(1)"
-	line 405, "pan.___", state 961, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 961, "else"
-	line 405, "pan.___", state 964, "(1)"
-	line 405, "pan.___", state 965, "(1)"
-	line 405, "pan.___", state 965, "(1)"
-	line 409, "pan.___", state 972, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 974, "(1)"
-	line 409, "pan.___", state 975, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 409, "pan.___", state 975, "else"
-	line 409, "pan.___", state 978, "(1)"
-	line 409, "pan.___", state 979, "(1)"
-	line 409, "pan.___", state 979, "(1)"
-	line 407, "pan.___", state 984, "((i<2))"
-	line 407, "pan.___", state 984, "((i>=2))"
-	line 413, "pan.___", state 991, "(1)"
-	line 413, "pan.___", state 992, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 992, "else"
-	line 413, "pan.___", state 995, "(1)"
-	line 413, "pan.___", state 996, "(1)"
-	line 413, "pan.___", state 996, "(1)"
-	line 417, "pan.___", state 1004, "(1)"
-	line 417, "pan.___", state 1005, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 1005, "else"
-	line 417, "pan.___", state 1008, "(1)"
-	line 417, "pan.___", state 1009, "(1)"
-	line 417, "pan.___", state 1009, "(1)"
-	line 415, "pan.___", state 1014, "((i<1))"
-	line 415, "pan.___", state 1014, "((i>=1))"
-	line 422, "pan.___", state 1021, "(1)"
-	line 422, "pan.___", state 1022, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 422, "pan.___", state 1022, "else"
-	line 422, "pan.___", state 1025, "(1)"
-	line 422, "pan.___", state 1026, "(1)"
-	line 422, "pan.___", state 1026, "(1)"
-	line 426, "pan.___", state 1034, "(1)"
-	line 426, "pan.___", state 1035, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 426, "pan.___", state 1035, "else"
-	line 426, "pan.___", state 1038, "(1)"
-	line 426, "pan.___", state 1039, "(1)"
-	line 426, "pan.___", state 1039, "(1)"
-	line 424, "pan.___", state 1044, "((i<2))"
-	line 424, "pan.___", state 1044, "((i>=2))"
-	line 431, "pan.___", state 1048, "(1)"
-	line 431, "pan.___", state 1048, "(1)"
-	line 679, "pan.___", state 1052, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 396, "pan.___", state 1057, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 1089, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 1103, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 1122, "(1)"
-	line 422, "pan.___", state 1152, "(1)"
-	line 426, "pan.___", state 1165, "(1)"
-	line 396, "pan.___", state 1189, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 1221, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 1235, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 1254, "(1)"
-	line 422, "pan.___", state 1284, "(1)"
-	line 426, "pan.___", state 1297, "(1)"
-	line 396, "pan.___", state 1322, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 1354, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 1368, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 1387, "(1)"
-	line 422, "pan.___", state 1417, "(1)"
-	line 426, "pan.___", state 1430, "(1)"
-	line 396, "pan.___", state 1451, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 1483, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 1497, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 1516, "(1)"
-	line 422, "pan.___", state 1546, "(1)"
-	line 426, "pan.___", state 1559, "(1)"
-	line 396, "pan.___", state 1585, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 1617, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 1631, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 1650, "(1)"
-	line 422, "pan.___", state 1680, "(1)"
-	line 426, "pan.___", state 1693, "(1)"
-	line 396, "pan.___", state 1714, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 1746, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 1760, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 1779, "(1)"
-	line 422, "pan.___", state 1809, "(1)"
-	line 426, "pan.___", state 1822, "(1)"
-	line 396, "pan.___", state 1846, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 1878, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 1892, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 1911, "(1)"
-	line 422, "pan.___", state 1941, "(1)"
-	line 426, "pan.___", state 1954, "(1)"
-	line 718, "pan.___", state 1975, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 396, "pan.___", state 1982, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 2014, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 2028, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 2047, "(1)"
-	line 422, "pan.___", state 2077, "(1)"
-	line 426, "pan.___", state 2090, "(1)"
-	line 396, "pan.___", state 2111, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 2143, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 2157, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 2176, "(1)"
-	line 422, "pan.___", state 2206, "(1)"
-	line 426, "pan.___", state 2219, "(1)"
-	line 396, "pan.___", state 2242, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2244, "(1)"
-	line 396, "pan.___", state 2245, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 2245, "else"
-	line 396, "pan.___", state 2248, "(1)"
-	line 400, "pan.___", state 2256, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2258, "(1)"
-	line 400, "pan.___", state 2259, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 2259, "else"
-	line 400, "pan.___", state 2262, "(1)"
-	line 400, "pan.___", state 2263, "(1)"
-	line 400, "pan.___", state 2263, "(1)"
-	line 398, "pan.___", state 2268, "((i<1))"
-	line 398, "pan.___", state 2268, "((i>=1))"
-	line 405, "pan.___", state 2274, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 2276, "(1)"
-	line 405, "pan.___", state 2277, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 2277, "else"
-	line 405, "pan.___", state 2280, "(1)"
-	line 405, "pan.___", state 2281, "(1)"
-	line 405, "pan.___", state 2281, "(1)"
-	line 409, "pan.___", state 2288, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 2290, "(1)"
-	line 409, "pan.___", state 2291, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 409, "pan.___", state 2291, "else"
-	line 409, "pan.___", state 2294, "(1)"
-	line 409, "pan.___", state 2295, "(1)"
-	line 409, "pan.___", state 2295, "(1)"
-	line 407, "pan.___", state 2300, "((i<2))"
-	line 407, "pan.___", state 2300, "((i>=2))"
-	line 413, "pan.___", state 2307, "(1)"
-	line 413, "pan.___", state 2308, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 2308, "else"
-	line 413, "pan.___", state 2311, "(1)"
-	line 413, "pan.___", state 2312, "(1)"
-	line 413, "pan.___", state 2312, "(1)"
-	line 417, "pan.___", state 2320, "(1)"
-	line 417, "pan.___", state 2321, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 2321, "else"
-	line 417, "pan.___", state 2324, "(1)"
-	line 417, "pan.___", state 2325, "(1)"
-	line 417, "pan.___", state 2325, "(1)"
-	line 415, "pan.___", state 2330, "((i<1))"
-	line 415, "pan.___", state 2330, "((i>=1))"
-	line 422, "pan.___", state 2337, "(1)"
-	line 422, "pan.___", state 2338, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 422, "pan.___", state 2338, "else"
-	line 422, "pan.___", state 2341, "(1)"
-	line 422, "pan.___", state 2342, "(1)"
-	line 422, "pan.___", state 2342, "(1)"
-	line 426, "pan.___", state 2350, "(1)"
-	line 426, "pan.___", state 2351, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 426, "pan.___", state 2351, "else"
-	line 426, "pan.___", state 2354, "(1)"
-	line 426, "pan.___", state 2355, "(1)"
-	line 426, "pan.___", state 2355, "(1)"
-	line 424, "pan.___", state 2360, "((i<2))"
-	line 424, "pan.___", state 2360, "((i>=2))"
-	line 431, "pan.___", state 2364, "(1)"
-	line 431, "pan.___", state 2364, "(1)"
-	line 718, "pan.___", state 2367, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 718, "pan.___", state 2368, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 718, "pan.___", state 2369, "(1)"
-	line 396, "pan.___", state 2376, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 2408, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 2422, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 2441, "(1)"
-	line 422, "pan.___", state 2471, "(1)"
-	line 426, "pan.___", state 2484, "(1)"
-	line 396, "pan.___", state 2511, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 2543, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 2557, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 2576, "(1)"
-	line 422, "pan.___", state 2606, "(1)"
-	line 426, "pan.___", state 2619, "(1)"
-	line 396, "pan.___", state 2640, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 2672, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 2686, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 2705, "(1)"
-	line 422, "pan.___", state 2735, "(1)"
-	line 426, "pan.___", state 2748, "(1)"
-	line 228, "pan.___", state 2781, "(1)"
-	line 236, "pan.___", state 2801, "(1)"
-	line 240, "pan.___", state 2809, "(1)"
-	line 228, "pan.___", state 2824, "(1)"
-	line 236, "pan.___", state 2844, "(1)"
-	line 240, "pan.___", state 2852, "(1)"
-	line 878, "pan.___", state 2869, "-end-"
-	(278 of 2869 states)
-unreached in proctype urcu_writer
-	line 396, "pan.___", state 18, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 32, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 50, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 83, "(1)"
-	line 417, "pan.___", state 96, "(1)"
-	line 422, "pan.___", state 113, "(1)"
-	line 251, "pan.___", state 149, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 255, "pan.___", state 158, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 259, "pan.___", state 171, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 211, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 225, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 243, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 257, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 276, "(1)"
-	line 417, "pan.___", state 289, "(1)"
-	line 422, "pan.___", state 306, "(1)"
-	line 426, "pan.___", state 319, "(1)"
-	line 400, "pan.___", state 356, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 374, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 388, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 417, "pan.___", state 420, "(1)"
-	line 422, "pan.___", state 437, "(1)"
-	line 426, "pan.___", state 450, "(1)"
-	line 396, "pan.___", state 477, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 479, "(1)"
-	line 396, "pan.___", state 480, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 480, "else"
-	line 396, "pan.___", state 483, "(1)"
-	line 400, "pan.___", state 491, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 493, "(1)"
-	line 400, "pan.___", state 494, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 494, "else"
-	line 400, "pan.___", state 497, "(1)"
-	line 400, "pan.___", state 498, "(1)"
-	line 400, "pan.___", state 498, "(1)"
-	line 398, "pan.___", state 503, "((i<1))"
-	line 398, "pan.___", state 503, "((i>=1))"
-	line 405, "pan.___", state 509, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 511, "(1)"
-	line 405, "pan.___", state 512, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 512, "else"
-	line 405, "pan.___", state 515, "(1)"
-	line 405, "pan.___", state 516, "(1)"
-	line 405, "pan.___", state 516, "(1)"
-	line 409, "pan.___", state 523, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 525, "(1)"
-	line 409, "pan.___", state 526, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 409, "pan.___", state 526, "else"
-	line 409, "pan.___", state 529, "(1)"
-	line 409, "pan.___", state 530, "(1)"
-	line 409, "pan.___", state 530, "(1)"
-	line 407, "pan.___", state 535, "((i<2))"
-	line 407, "pan.___", state 535, "((i>=2))"
-	line 413, "pan.___", state 542, "(1)"
-	line 413, "pan.___", state 543, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 543, "else"
-	line 413, "pan.___", state 546, "(1)"
-	line 413, "pan.___", state 547, "(1)"
-	line 413, "pan.___", state 547, "(1)"
-	line 417, "pan.___", state 555, "(1)"
-	line 417, "pan.___", state 556, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 556, "else"
-	line 417, "pan.___", state 559, "(1)"
-	line 417, "pan.___", state 560, "(1)"
-	line 417, "pan.___", state 560, "(1)"
-	line 415, "pan.___", state 565, "((i<1))"
-	line 415, "pan.___", state 565, "((i>=1))"
-	line 422, "pan.___", state 572, "(1)"
-	line 422, "pan.___", state 573, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 422, "pan.___", state 573, "else"
-	line 422, "pan.___", state 576, "(1)"
-	line 422, "pan.___", state 577, "(1)"
-	line 422, "pan.___", state 577, "(1)"
-	line 426, "pan.___", state 585, "(1)"
-	line 426, "pan.___", state 586, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 426, "pan.___", state 586, "else"
-	line 426, "pan.___", state 589, "(1)"
-	line 426, "pan.___", state 590, "(1)"
-	line 426, "pan.___", state 590, "(1)"
-	line 431, "pan.___", state 599, "(1)"
-	line 431, "pan.___", state 599, "(1)"
-	line 400, "pan.___", state 619, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 637, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 651, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 417, "pan.___", state 683, "(1)"
-	line 422, "pan.___", state 700, "(1)"
-	line 426, "pan.___", state 713, "(1)"
-	line 400, "pan.___", state 748, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 766, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 780, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 417, "pan.___", state 812, "(1)"
-	line 422, "pan.___", state 829, "(1)"
-	line 426, "pan.___", state 842, "(1)"
-	line 400, "pan.___", state 879, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 897, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 911, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 417, "pan.___", state 943, "(1)"
-	line 422, "pan.___", state 960, "(1)"
-	line 426, "pan.___", state 973, "(1)"
-	line 400, "pan.___", state 1013, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 1031, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 1045, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 417, "pan.___", state 1077, "(1)"
-	line 422, "pan.___", state 1094, "(1)"
-	line 426, "pan.___", state 1107, "(1)"
-	line 251, "pan.___", state 1153, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 255, "pan.___", state 1162, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 259, "pan.___", state 1177, "(1)"
-	line 263, "pan.___", state 1184, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 228, "pan.___", state 1200, "(1)"
-	line 232, "pan.___", state 1208, "(1)"
-	line 236, "pan.___", state 1220, "(1)"
-	line 240, "pan.___", state 1228, "(1)"
-	line 251, "pan.___", state 1259, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 255, "pan.___", state 1268, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 259, "pan.___", state 1281, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 263, "pan.___", state 1290, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 228, "pan.___", state 1306, "(1)"
-	line 232, "pan.___", state 1314, "(1)"
-	line 236, "pan.___", state 1326, "(1)"
-	line 240, "pan.___", state 1334, "(1)"
-	line 255, "pan.___", state 1360, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 259, "pan.___", state 1373, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 263, "pan.___", state 1382, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 228, "pan.___", state 1398, "(1)"
-	line 232, "pan.___", state 1406, "(1)"
-	line 236, "pan.___", state 1418, "(1)"
-	line 240, "pan.___", state 1426, "(1)"
-	line 251, "pan.___", state 1457, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 255, "pan.___", state 1466, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 259, "pan.___", state 1479, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 263, "pan.___", state 1488, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 228, "pan.___", state 1504, "(1)"
-	line 232, "pan.___", state 1512, "(1)"
-	line 236, "pan.___", state 1524, "(1)"
-	line 240, "pan.___", state 1532, "(1)"
-	line 1205, "pan.___", state 1548, "-end-"
-	(118 of 1548 states)
-unreached in proctype :init:
-	(0 of 78 states)
-unreached in proctype :never:
-	line 1266, "pan.___", state 11, "-end-"
-	(1 of 11 states)
-
-pan: elapsed time 237 seconds
-pan: rate 3946.2617 states/second
-pan: avg transition delay 1.2648e-06 usec
-cp .input.spin urcu_progress_writer_error.spin.input
-cp .input.spin.trail urcu_progress_writer_error.spin.input.trail
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_progress_writer_error.spin.input b/formal-model/results/urcu-controldataflow-ipi/urcu_progress_writer_error.spin.input
deleted file mode 100644
index d01c814..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_progress_writer_error.spin.input
+++ /dev/null
@@ -1,1241 +0,0 @@
-#define WRITER_PROGRESS
-#define GEN_ERROR_WRITER_PROGRESS
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-//#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)
-//#else
-//#define PROGRESS_LABEL(progressid)
-//#endif
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-ipi/urcu_progress_writer_error.spin.input.trail b/formal-model/results/urcu-controldataflow-ipi/urcu_progress_writer_error.spin.input.trail
deleted file mode 100644
index 64285b2..0000000
--- a/formal-model/results/urcu-controldataflow-ipi/urcu_progress_writer_error.spin.input.trail
+++ /dev/null
@@ -1,1830 +0,0 @@
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-1659:2:3825
-1660:2:3836
-1661:2:3837
-1662:2:3838
-1663:2:3836
-1664:2:3837
-1665:2:3838
-1666:2:3849
-1667:2:3857
-1668:0:4501
-1669:2:2881
--1:-1:-1
-1670:0:4501
-1671:2:3863
-1672:2:3864
-1673:2:3868
-1674:2:3869
-1675:2:3877
-1676:2:3878
-1677:2:3882
-1678:2:3883
-1679:2:3891
-1680:2:3896
-1681:2:3900
-1682:2:3901
-1683:2:3909
-1684:2:3910
-1685:2:3914
-1686:2:3915
-1687:2:3909
-1688:2:3910
-1689:2:3914
-1690:2:3915
-1691:2:3923
-1692:2:3928
-1693:2:3929
-1694:2:3940
-1695:2:3941
-1696:2:3942
-1697:2:3953
-1698:2:3958
-1699:2:3959
-1700:2:3970
-1701:2:3971
-1702:2:3972
-1703:2:3970
-1704:2:3971
-1705:2:3972
-1706:2:3983
-1707:0:4501
-1708:2:2881
-1709:0:4501
-1710:2:3729
-1711:2:3730
-1712:2:3734
-1713:2:3735
-1714:2:3743
-1715:2:3744
-1716:2:3748
-1717:2:3749
-1718:2:3757
-1719:2:3762
-1720:2:3766
-1721:2:3767
-1722:2:3775
-1723:2:3776
-1724:2:3780
-1725:2:3781
-1726:2:3775
-1727:2:3776
-1728:2:3780
-1729:2:3781
-1730:2:3789
-1731:2:3794
-1732:2:3795
-1733:2:3806
-1734:2:3807
-1735:2:3808
-1736:2:3819
-1737:2:3824
-1738:2:3825
-1739:2:3836
-1740:2:3837
-1741:2:3838
-1742:2:3836
-1743:2:3837
-1744:2:3838
-1745:2:3849
-1746:2:3857
-1747:0:4501
-1748:2:2881
-1749:0:4501
-1750:2:3863
-1751:2:3864
-1752:2:3868
-1753:2:3869
-1754:2:3877
-1755:2:3878
-1756:2:3882
-1757:2:3883
-1758:2:3891
-1759:2:3896
-1760:2:3900
-1761:2:3901
-1762:2:3909
-1763:2:3910
-1764:2:3914
-1765:2:3915
-1766:2:3909
-1767:2:3910
-1768:2:3914
-1769:2:3915
-1770:2:3923
-1771:2:3928
-1772:2:3929
-1773:2:3940
-1774:2:3941
-1775:2:3942
-1776:2:3953
-1777:2:3958
-1778:2:3959
-1779:2:3970
-1780:2:3971
-1781:2:3972
-1782:2:3970
-1783:2:3971
-1784:2:3972
-1785:2:3983
-1786:0:4501
-1787:2:2881
-1788:0:4501
-1789:2:3729
-1790:2:3730
-1791:2:3734
-1792:2:3735
-1793:2:3743
-1794:2:3744
-1795:2:3748
-1796:2:3749
-1797:2:3757
-1798:2:3762
-1799:2:3766
-1800:2:3767
-1801:2:3775
-1802:2:3776
-1803:2:3780
-1804:2:3781
-1805:2:3775
-1806:2:3776
-1807:2:3780
-1808:2:3781
-1809:2:3789
-1810:2:3794
-1811:2:3795
-1812:2:3806
-1813:2:3807
-1814:2:3808
-1815:2:3819
-1816:2:3824
-1817:2:3825
-1818:2:3836
-1819:2:3837
-1820:2:3838
-1821:2:3836
-1822:2:3837
-1823:2:3838
-1824:2:3849
-1825:2:3857
-1826:0:4501
-1827:2:2881
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/.input.spin b/formal-model/results/urcu-controldataflow-no-ipi/.input.spin
deleted file mode 100644
index 542625d..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/.input.spin
+++ /dev/null
@@ -1,1239 +0,0 @@
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-//#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-//#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)
-//#else
-//#define PROGRESS_LABEL(progressid)
-//#endif
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/DEFINES b/formal-model/results/urcu-controldataflow-no-ipi/DEFINES
deleted file mode 100644
index 929f5a1..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/DEFINES
+++ /dev/null
@@ -1,14 +0,0 @@
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-//#define REMOTE_BARRIERS
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/Makefile b/formal-model/results/urcu-controldataflow-no-ipi/Makefile
deleted file mode 100644
index de47dff..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/Makefile
+++ /dev/null
@@ -1,170 +0,0 @@
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
-# Copyright (C) Mathieu Desnoyers, 2009
-#
-# Authors: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
-
-#CFLAGS=-DSAFETY
-#for multi-core verif, 15.5GB shared mem, use files if full
-#CFLAGS=-DHASH64 -DMEMLIM=15500 -DNCORE=2
-#CFLAGS=-DHASH64 -DCOLLAPSE -DMA=88 -DMEMLIM=15500 -DNCORE=8
-
-#liveness
-#CFLAGS=-DHASH64 -DCOLLAPSE -DMA=88
-CFLAGS=-DHASH64
-
-SPINFILE=urcu.spin
-
-default:
-	make urcu_free | tee urcu_free.log
-	make urcu_free_no_mb | tee urcu_free_no_mb.log
-	make urcu_free_no_rmb | tee urcu_free_no_rmb.log
-	make urcu_free_no_wmb | tee urcu_free_no_wmb.log
-	make urcu_free_single_flip | tee urcu_free_single_flip.log
-	make urcu_progress_writer | tee urcu_progress_writer.log
-	make urcu_progress_reader | tee urcu_progress_reader.log
-	make urcu_progress_writer_error | tee urcu_progress_writer_error.log
-	make asserts | tee asserts.log
-	make summary
-
-#show trail : spin -v -t -N pan.ltl input.spin
-# after each individual make.
-
-summary:
-	@echo
-	@echo "Verification summary"
-	@grep errors: *.log
-
-asserts: clean
-	cat DEFINES > .input.spin
-	cat ${SPINFILE} >> .input.spin
-	rm -f .input.spin.trail
-	spin -a -X .input.spin
-	gcc -O2 -w ${CFLAGS} -DSAFETY -o pan pan.c
-	./pan -v -c1 -X -m10000000 -w20
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free: clean urcu_free_ltl run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_nested: clean urcu_free_ltl urcu_free_nested_define run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_nested_define:
-	cp urcu_free_nested.define .input.define
-
-urcu_free_no_rmb: clean urcu_free_ltl urcu_free_no_rmb_define run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_no_rmb_define:
-	cp urcu_free_no_rmb.define .input.define
-
-urcu_free_no_wmb: clean urcu_free_ltl urcu_free_no_wmb_define run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_no_wmb_define:
-	cp urcu_free_no_wmb.define .input.define
-
-urcu_free_no_mb: clean urcu_free_ltl urcu_free_no_mb_define run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_no_mb_define:
-	cp urcu_free_no_mb.define .input.define
-
-urcu_free_single_flip: clean urcu_free_ltl urcu_free_single_flip_define run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_single_flip_define:
-	cp urcu_free_single_flip.define .input.define
-
-urcu_free_ltl:
-	touch .input.define
-	cat .input.define >> pan.ltl
-	cat DEFINES >> pan.ltl
-	spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl
-
-# Progress checks
-
-urcu_progress_writer: clean urcu_progress_writer_ltl \
-		urcu_progress_writer_define run_weak_fair
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_progress_writer_define:
-	cp urcu_progress_writer.define .input.define
-
-urcu_progress_writer_ltl:
-	touch .input.define
-	cat .input.define > pan.ltl
-	cat DEFINES >> pan.ltl
-	spin -f "!(`cat urcu_progress.ltl | grep -v ^//`)" >> pan.ltl
-
-urcu_progress_reader: clean urcu_progress_reader_ltl \
-		urcu_progress_reader_define run_weak_fair
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_progress_reader_define:
-	cp urcu_progress_reader.define .input.define
-
-urcu_progress_reader_ltl:
-	touch .input.define
-	cat .input.define > pan.ltl
-	cat DEFINES >> pan.ltl
-	spin -f "!(`cat urcu_progress.ltl | grep -v ^//`)" >> pan.ltl
-
-urcu_progress_writer_error: clean urcu_progress_writer_error_ltl \
-		urcu_progress_writer_error_define run_weak_fair
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_progress_writer_error_define:
-	cp urcu_progress_writer_error.define .input.define
-
-urcu_progress_writer_error_ltl:
-	touch .input.define
-	cat .input.define > pan.ltl
-	cat DEFINES >> pan.ltl
-	spin -f "!(`cat urcu_progress.ltl | grep -v ^//`)" >> pan.ltl
-
-
-run_weak_fair: pan
-	./pan -a -f -v -c1 -X -m10000000 -w20
-
-run: pan
-	./pan -a -v -c1 -X -m10000000 -w20
-
-pan: pan.c
-	gcc -O2 -w ${CFLAGS} -o pan pan.c
-
-pan.c: pan.ltl ${SPINFILE}
-	cat .input.define > .input.spin
-	cat DEFINES >> .input.spin
-	cat ${SPINFILE} >> .input.spin
-	rm -f .input.spin.trail
-	spin -a -X -N pan.ltl .input.spin
-
-.PHONY: clean default distclean summary
-clean:
-	rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-distclean:
-	rm -f *.trail *.input *.log
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/asserts.log b/formal-model/results/urcu-controldataflow-no-ipi/asserts.log
deleted file mode 100644
index a732917..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/asserts.log
+++ /dev/null
@@ -1,514 +0,0 @@
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-cat DEFINES > .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -DSAFETY -o pan pan.c
-./pan -v -c1 -X -m10000000 -w20
-Depth=    4311 States=    1e+06 Transitions= 4.65e+08 Memory=   542.717	t=    480 R=   2e+03
-
-(Spin Version 5.1.7 -- 23 December 2008)
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	- (none specified)
-	assertion violations	+
-	cycle checks       	- (disabled by -DSAFETY)
-	invalid end states	+
-
-State-vector 72 byte, depth reached 4311, errors: 0
-  1884295 states, stored
-9.0500014e+08 states, matched
-9.0688444e+08 transitions (= stored+matched)
-5.3819272e+09 atomic steps
-hash conflicts: 4.4436974e+08 (resolved)
-
-Stats on memory usage (in Megabytes):
-  179.700	equivalent memory usage for states (stored*(State-vector + overhead))
-  144.496	actual memory usage for states (compression: 80.41%)
-         	state-vector as stored = 52 byte + 28 byte overhead
-    8.000	memory used for hash table (-w20)
-  457.764	memory used for DFS stack (-m10000000)
-  610.197	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 394, ".input.spin", state 17, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 49, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 63, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 82, "(1)"
-	line 420, ".input.spin", state 112, "(1)"
-	line 424, ".input.spin", state 125, "(1)"
-	line 575, ".input.spin", state 146, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 394, ".input.spin", state 153, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 185, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 199, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 218, "(1)"
-	line 420, ".input.spin", state 248, "(1)"
-	line 424, ".input.spin", state 261, "(1)"
-	line 394, ".input.spin", state 282, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 314, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 328, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 347, "(1)"
-	line 420, ".input.spin", state 377, "(1)"
-	line 424, ".input.spin", state 390, "(1)"
-	line 394, ".input.spin", state 413, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 394, ".input.spin", state 415, "(1)"
-	line 394, ".input.spin", state 416, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 394, ".input.spin", state 416, "else"
-	line 394, ".input.spin", state 419, "(1)"
-	line 398, ".input.spin", state 427, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 398, ".input.spin", state 429, "(1)"
-	line 398, ".input.spin", state 430, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 398, ".input.spin", state 430, "else"
-	line 398, ".input.spin", state 433, "(1)"
-	line 398, ".input.spin", state 434, "(1)"
-	line 398, ".input.spin", state 434, "(1)"
-	line 396, ".input.spin", state 439, "((i<1))"
-	line 396, ".input.spin", state 439, "((i>=1))"
-	line 403, ".input.spin", state 445, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 447, "(1)"
-	line 403, ".input.spin", state 448, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 403, ".input.spin", state 448, "else"
-	line 403, ".input.spin", state 451, "(1)"
-	line 403, ".input.spin", state 452, "(1)"
-	line 403, ".input.spin", state 452, "(1)"
-	line 407, ".input.spin", state 459, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 461, "(1)"
-	line 407, ".input.spin", state 462, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 407, ".input.spin", state 462, "else"
-	line 407, ".input.spin", state 465, "(1)"
-	line 407, ".input.spin", state 466, "(1)"
-	line 407, ".input.spin", state 466, "(1)"
-	line 405, ".input.spin", state 471, "((i<2))"
-	line 405, ".input.spin", state 471, "((i>=2))"
-	line 411, ".input.spin", state 478, "(1)"
-	line 411, ".input.spin", state 479, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 411, ".input.spin", state 479, "else"
-	line 411, ".input.spin", state 482, "(1)"
-	line 411, ".input.spin", state 483, "(1)"
-	line 411, ".input.spin", state 483, "(1)"
-	line 415, ".input.spin", state 491, "(1)"
-	line 415, ".input.spin", state 492, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 415, ".input.spin", state 492, "else"
-	line 415, ".input.spin", state 495, "(1)"
-	line 415, ".input.spin", state 496, "(1)"
-	line 415, ".input.spin", state 496, "(1)"
-	line 413, ".input.spin", state 501, "((i<1))"
-	line 413, ".input.spin", state 501, "((i>=1))"
-	line 420, ".input.spin", state 508, "(1)"
-	line 420, ".input.spin", state 509, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 420, ".input.spin", state 509, "else"
-	line 420, ".input.spin", state 512, "(1)"
-	line 420, ".input.spin", state 513, "(1)"
-	line 420, ".input.spin", state 513, "(1)"
-	line 424, ".input.spin", state 521, "(1)"
-	line 424, ".input.spin", state 522, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 424, ".input.spin", state 522, "else"
-	line 424, ".input.spin", state 525, "(1)"
-	line 424, ".input.spin", state 526, "(1)"
-	line 424, ".input.spin", state 526, "(1)"
-	line 422, ".input.spin", state 531, "((i<2))"
-	line 422, ".input.spin", state 531, "((i>=2))"
-	line 429, ".input.spin", state 535, "(1)"
-	line 429, ".input.spin", state 535, "(1)"
-	line 575, ".input.spin", state 538, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 575, ".input.spin", state 539, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 575, ".input.spin", state 540, "(1)"
-	line 249, ".input.spin", state 544, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 253, ".input.spin", state 555, "(1)"
-	line 257, ".input.spin", state 566, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, ".input.spin", state 575, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, ".input.spin", state 591, "(1)"
-	line 230, ".input.spin", state 599, "(1)"
-	line 234, ".input.spin", state 611, "(1)"
-	line 238, ".input.spin", state 619, "(1)"
-	line 394, ".input.spin", state 637, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 398, ".input.spin", state 651, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 669, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 683, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 702, "(1)"
-	line 415, ".input.spin", state 715, "(1)"
-	line 420, ".input.spin", state 732, "(1)"
-	line 424, ".input.spin", state 745, "(1)"
-	line 394, ".input.spin", state 773, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 394, ".input.spin", state 775, "(1)"
-	line 394, ".input.spin", state 776, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 394, ".input.spin", state 776, "else"
-	line 394, ".input.spin", state 779, "(1)"
-	line 398, ".input.spin", state 787, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 398, ".input.spin", state 789, "(1)"
-	line 398, ".input.spin", state 790, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 398, ".input.spin", state 790, "else"
-	line 398, ".input.spin", state 793, "(1)"
-	line 398, ".input.spin", state 794, "(1)"
-	line 398, ".input.spin", state 794, "(1)"
-	line 396, ".input.spin", state 799, "((i<1))"
-	line 396, ".input.spin", state 799, "((i>=1))"
-	line 403, ".input.spin", state 805, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 807, "(1)"
-	line 403, ".input.spin", state 808, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 403, ".input.spin", state 808, "else"
-	line 403, ".input.spin", state 811, "(1)"
-	line 403, ".input.spin", state 812, "(1)"
-	line 403, ".input.spin", state 812, "(1)"
-	line 407, ".input.spin", state 819, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 821, "(1)"
-	line 407, ".input.spin", state 822, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 407, ".input.spin", state 822, "else"
-	line 407, ".input.spin", state 825, "(1)"
-	line 407, ".input.spin", state 826, "(1)"
-	line 407, ".input.spin", state 826, "(1)"
-	line 405, ".input.spin", state 831, "((i<2))"
-	line 405, ".input.spin", state 831, "((i>=2))"
-	line 411, ".input.spin", state 838, "(1)"
-	line 411, ".input.spin", state 839, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 411, ".input.spin", state 839, "else"
-	line 411, ".input.spin", state 842, "(1)"
-	line 411, ".input.spin", state 843, "(1)"
-	line 411, ".input.spin", state 843, "(1)"
-	line 415, ".input.spin", state 851, "(1)"
-	line 415, ".input.spin", state 852, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 415, ".input.spin", state 852, "else"
-	line 415, ".input.spin", state 855, "(1)"
-	line 415, ".input.spin", state 856, "(1)"
-	line 415, ".input.spin", state 856, "(1)"
-	line 413, ".input.spin", state 861, "((i<1))"
-	line 413, ".input.spin", state 861, "((i>=1))"
-	line 420, ".input.spin", state 868, "(1)"
-	line 420, ".input.spin", state 869, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 420, ".input.spin", state 869, "else"
-	line 420, ".input.spin", state 872, "(1)"
-	line 420, ".input.spin", state 873, "(1)"
-	line 420, ".input.spin", state 873, "(1)"
-	line 424, ".input.spin", state 881, "(1)"
-	line 424, ".input.spin", state 882, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 424, ".input.spin", state 882, "else"
-	line 424, ".input.spin", state 885, "(1)"
-	line 424, ".input.spin", state 886, "(1)"
-	line 424, ".input.spin", state 886, "(1)"
-	line 429, ".input.spin", state 895, "(1)"
-	line 429, ".input.spin", state 895, "(1)"
-	line 394, ".input.spin", state 902, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 394, ".input.spin", state 904, "(1)"
-	line 394, ".input.spin", state 905, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 394, ".input.spin", state 905, "else"
-	line 394, ".input.spin", state 908, "(1)"
-	line 398, ".input.spin", state 916, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 398, ".input.spin", state 918, "(1)"
-	line 398, ".input.spin", state 919, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 398, ".input.spin", state 919, "else"
-	line 398, ".input.spin", state 922, "(1)"
-	line 398, ".input.spin", state 923, "(1)"
-	line 398, ".input.spin", state 923, "(1)"
-	line 396, ".input.spin", state 928, "((i<1))"
-	line 396, ".input.spin", state 928, "((i>=1))"
-	line 403, ".input.spin", state 934, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 936, "(1)"
-	line 403, ".input.spin", state 937, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 403, ".input.spin", state 937, "else"
-	line 403, ".input.spin", state 940, "(1)"
-	line 403, ".input.spin", state 941, "(1)"
-	line 403, ".input.spin", state 941, "(1)"
-	line 407, ".input.spin", state 948, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 950, "(1)"
-	line 407, ".input.spin", state 951, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 407, ".input.spin", state 951, "else"
-	line 407, ".input.spin", state 954, "(1)"
-	line 407, ".input.spin", state 955, "(1)"
-	line 407, ".input.spin", state 955, "(1)"
-	line 405, ".input.spin", state 960, "((i<2))"
-	line 405, ".input.spin", state 960, "((i>=2))"
-	line 411, ".input.spin", state 967, "(1)"
-	line 411, ".input.spin", state 968, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 411, ".input.spin", state 968, "else"
-	line 411, ".input.spin", state 971, "(1)"
-	line 411, ".input.spin", state 972, "(1)"
-	line 411, ".input.spin", state 972, "(1)"
-	line 415, ".input.spin", state 980, "(1)"
-	line 415, ".input.spin", state 981, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 415, ".input.spin", state 981, "else"
-	line 415, ".input.spin", state 984, "(1)"
-	line 415, ".input.spin", state 985, "(1)"
-	line 415, ".input.spin", state 985, "(1)"
-	line 413, ".input.spin", state 990, "((i<1))"
-	line 413, ".input.spin", state 990, "((i>=1))"
-	line 420, ".input.spin", state 997, "(1)"
-	line 420, ".input.spin", state 998, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 420, ".input.spin", state 998, "else"
-	line 420, ".input.spin", state 1001, "(1)"
-	line 420, ".input.spin", state 1002, "(1)"
-	line 420, ".input.spin", state 1002, "(1)"
-	line 424, ".input.spin", state 1010, "(1)"
-	line 424, ".input.spin", state 1011, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 424, ".input.spin", state 1011, "else"
-	line 424, ".input.spin", state 1014, "(1)"
-	line 424, ".input.spin", state 1015, "(1)"
-	line 424, ".input.spin", state 1015, "(1)"
-	line 422, ".input.spin", state 1020, "((i<2))"
-	line 422, ".input.spin", state 1020, "((i>=2))"
-	line 429, ".input.spin", state 1024, "(1)"
-	line 429, ".input.spin", state 1024, "(1)"
-	line 583, ".input.spin", state 1028, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 394, ".input.spin", state 1033, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 398, ".input.spin", state 1047, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 1065, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 1079, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 1098, "(1)"
-	line 415, ".input.spin", state 1111, "(1)"
-	line 420, ".input.spin", state 1128, "(1)"
-	line 424, ".input.spin", state 1141, "(1)"
-	line 394, ".input.spin", state 1165, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 1197, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 1211, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 1230, "(1)"
-	line 420, ".input.spin", state 1260, "(1)"
-	line 424, ".input.spin", state 1273, "(1)"
-	line 394, ".input.spin", state 1298, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 1330, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 1344, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 1363, "(1)"
-	line 420, ".input.spin", state 1393, "(1)"
-	line 424, ".input.spin", state 1406, "(1)"
-	line 394, ".input.spin", state 1427, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 1459, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 1473, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 1492, "(1)"
-	line 420, ".input.spin", state 1522, "(1)"
-	line 424, ".input.spin", state 1535, "(1)"
-	line 249, ".input.spin", state 1558, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 257, ".input.spin", state 1580, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, ".input.spin", state 1589, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, ".input.spin", state 1605, "(1)"
-	line 230, ".input.spin", state 1613, "(1)"
-	line 234, ".input.spin", state 1625, "(1)"
-	line 238, ".input.spin", state 1633, "(1)"
-	line 394, ".input.spin", state 1651, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 398, ".input.spin", state 1665, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 1683, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 1697, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 1716, "(1)"
-	line 415, ".input.spin", state 1729, "(1)"
-	line 420, ".input.spin", state 1746, "(1)"
-	line 424, ".input.spin", state 1759, "(1)"
-	line 394, ".input.spin", state 1780, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 398, ".input.spin", state 1794, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 1812, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 1826, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 1845, "(1)"
-	line 415, ".input.spin", state 1858, "(1)"
-	line 420, ".input.spin", state 1875, "(1)"
-	line 424, ".input.spin", state 1888, "(1)"
-	line 394, ".input.spin", state 1912, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 398, ".input.spin", state 1928, "(1)"
-	line 403, ".input.spin", state 1944, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 1958, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 1977, "(1)"
-	line 420, ".input.spin", state 2007, "(1)"
-	line 424, ".input.spin", state 2020, "(1)"
-	line 622, ".input.spin", state 2041, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 394, ".input.spin", state 2048, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 2080, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 2094, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 2113, "(1)"
-	line 420, ".input.spin", state 2143, "(1)"
-	line 424, ".input.spin", state 2156, "(1)"
-	line 394, ".input.spin", state 2177, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 2209, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 2223, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 2242, "(1)"
-	line 420, ".input.spin", state 2272, "(1)"
-	line 424, ".input.spin", state 2285, "(1)"
-	line 394, ".input.spin", state 2308, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 394, ".input.spin", state 2310, "(1)"
-	line 394, ".input.spin", state 2311, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 394, ".input.spin", state 2311, "else"
-	line 394, ".input.spin", state 2314, "(1)"
-	line 398, ".input.spin", state 2322, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 398, ".input.spin", state 2324, "(1)"
-	line 398, ".input.spin", state 2325, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 398, ".input.spin", state 2325, "else"
-	line 398, ".input.spin", state 2328, "(1)"
-	line 398, ".input.spin", state 2329, "(1)"
-	line 398, ".input.spin", state 2329, "(1)"
-	line 396, ".input.spin", state 2334, "((i<1))"
-	line 396, ".input.spin", state 2334, "((i>=1))"
-	line 403, ".input.spin", state 2340, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 2342, "(1)"
-	line 403, ".input.spin", state 2343, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 403, ".input.spin", state 2343, "else"
-	line 403, ".input.spin", state 2346, "(1)"
-	line 403, ".input.spin", state 2347, "(1)"
-	line 403, ".input.spin", state 2347, "(1)"
-	line 407, ".input.spin", state 2354, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 2356, "(1)"
-	line 407, ".input.spin", state 2357, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 407, ".input.spin", state 2357, "else"
-	line 407, ".input.spin", state 2360, "(1)"
-	line 407, ".input.spin", state 2361, "(1)"
-	line 407, ".input.spin", state 2361, "(1)"
-	line 405, ".input.spin", state 2366, "((i<2))"
-	line 405, ".input.spin", state 2366, "((i>=2))"
-	line 411, ".input.spin", state 2373, "(1)"
-	line 411, ".input.spin", state 2374, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 411, ".input.spin", state 2374, "else"
-	line 411, ".input.spin", state 2377, "(1)"
-	line 411, ".input.spin", state 2378, "(1)"
-	line 411, ".input.spin", state 2378, "(1)"
-	line 415, ".input.spin", state 2386, "(1)"
-	line 415, ".input.spin", state 2387, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 415, ".input.spin", state 2387, "else"
-	line 415, ".input.spin", state 2390, "(1)"
-	line 415, ".input.spin", state 2391, "(1)"
-	line 415, ".input.spin", state 2391, "(1)"
-	line 413, ".input.spin", state 2396, "((i<1))"
-	line 413, ".input.spin", state 2396, "((i>=1))"
-	line 420, ".input.spin", state 2403, "(1)"
-	line 420, ".input.spin", state 2404, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 420, ".input.spin", state 2404, "else"
-	line 420, ".input.spin", state 2407, "(1)"
-	line 420, ".input.spin", state 2408, "(1)"
-	line 420, ".input.spin", state 2408, "(1)"
-	line 424, ".input.spin", state 2416, "(1)"
-	line 424, ".input.spin", state 2417, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 424, ".input.spin", state 2417, "else"
-	line 424, ".input.spin", state 2420, "(1)"
-	line 424, ".input.spin", state 2421, "(1)"
-	line 424, ".input.spin", state 2421, "(1)"
-	line 422, ".input.spin", state 2426, "((i<2))"
-	line 422, ".input.spin", state 2426, "((i>=2))"
-	line 429, ".input.spin", state 2430, "(1)"
-	line 429, ".input.spin", state 2430, "(1)"
-	line 622, ".input.spin", state 2433, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 622, ".input.spin", state 2434, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 622, ".input.spin", state 2435, "(1)"
-	line 249, ".input.spin", state 2439, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 253, ".input.spin", state 2450, "(1)"
-	line 257, ".input.spin", state 2461, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, ".input.spin", state 2470, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, ".input.spin", state 2486, "(1)"
-	line 230, ".input.spin", state 2494, "(1)"
-	line 234, ".input.spin", state 2506, "(1)"
-	line 238, ".input.spin", state 2514, "(1)"
-	line 394, ".input.spin", state 2532, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 398, ".input.spin", state 2546, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 2564, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 2578, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 2597, "(1)"
-	line 415, ".input.spin", state 2610, "(1)"
-	line 420, ".input.spin", state 2627, "(1)"
-	line 424, ".input.spin", state 2640, "(1)"
-	line 249, ".input.spin", state 2664, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 253, ".input.spin", state 2673, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, ".input.spin", state 2686, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, ".input.spin", state 2695, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, ".input.spin", state 2711, "(1)"
-	line 230, ".input.spin", state 2719, "(1)"
-	line 234, ".input.spin", state 2731, "(1)"
-	line 238, ".input.spin", state 2739, "(1)"
-	line 394, ".input.spin", state 2757, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 398, ".input.spin", state 2771, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 2789, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 2803, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 2822, "(1)"
-	line 415, ".input.spin", state 2835, "(1)"
-	line 420, ".input.spin", state 2852, "(1)"
-	line 424, ".input.spin", state 2865, "(1)"
-	line 394, ".input.spin", state 2886, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 398, ".input.spin", state 2900, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 2918, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 2932, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 2951, "(1)"
-	line 415, ".input.spin", state 2964, "(1)"
-	line 420, ".input.spin", state 2981, "(1)"
-	line 424, ".input.spin", state 2994, "(1)"
-	line 226, ".input.spin", state 3027, "(1)"
-	line 234, ".input.spin", state 3047, "(1)"
-	line 238, ".input.spin", state 3055, "(1)"
-	line 226, ".input.spin", state 3070, "(1)"
-	line 230, ".input.spin", state 3078, "(1)"
-	line 234, ".input.spin", state 3090, "(1)"
-	line 238, ".input.spin", state 3098, "(1)"
-	line 876, ".input.spin", state 3115, "-end-"
-	(318 of 3115 states)
-unreached in proctype urcu_writer
-	line 394, ".input.spin", state 18, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 398, ".input.spin", state 32, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 50, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 83, "(1)"
-	line 415, ".input.spin", state 96, "(1)"
-	line 420, ".input.spin", state 113, "(1)"
-	line 249, ".input.spin", state 149, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 253, ".input.spin", state 158, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, ".input.spin", state 171, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 394, ".input.spin", state 211, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 398, ".input.spin", state 225, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 243, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 257, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, ".input.spin", state 276, "(1)"
-	line 415, ".input.spin", state 289, "(1)"
-	line 420, ".input.spin", state 306, "(1)"
-	line 424, ".input.spin", state 319, "(1)"
-	line 398, ".input.spin", state 356, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 374, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 388, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 415, ".input.spin", state 420, "(1)"
-	line 420, ".input.spin", state 437, "(1)"
-	line 424, ".input.spin", state 450, "(1)"
-	line 398, ".input.spin", state 494, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 512, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 526, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 415, ".input.spin", state 558, "(1)"
-	line 420, ".input.spin", state 575, "(1)"
-	line 424, ".input.spin", state 588, "(1)"
-	line 398, ".input.spin", state 623, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 641, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 655, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 415, ".input.spin", state 687, "(1)"
-	line 420, ".input.spin", state 704, "(1)"
-	line 424, ".input.spin", state 717, "(1)"
-	line 398, ".input.spin", state 754, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, ".input.spin", state 772, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, ".input.spin", state 786, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 415, ".input.spin", state 818, "(1)"
-	line 420, ".input.spin", state 835, "(1)"
-	line 424, ".input.spin", state 848, "(1)"
-	line 249, ".input.spin", state 903, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 253, ".input.spin", state 912, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, ".input.spin", state 927, "(1)"
-	line 261, ".input.spin", state 934, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, ".input.spin", state 950, "(1)"
-	line 230, ".input.spin", state 958, "(1)"
-	line 234, ".input.spin", state 970, "(1)"
-	line 238, ".input.spin", state 978, "(1)"
-	line 253, ".input.spin", state 1003, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, ".input.spin", state 1016, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, ".input.spin", state 1025, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, ".input.spin", state 1041, "(1)"
-	line 230, ".input.spin", state 1049, "(1)"
-	line 234, ".input.spin", state 1061, "(1)"
-	line 238, ".input.spin", state 1069, "(1)"
-	line 253, ".input.spin", state 1094, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, ".input.spin", state 1107, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, ".input.spin", state 1116, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, ".input.spin", state 1132, "(1)"
-	line 230, ".input.spin", state 1140, "(1)"
-	line 234, ".input.spin", state 1152, "(1)"
-	line 238, ".input.spin", state 1160, "(1)"
-	line 253, ".input.spin", state 1185, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, ".input.spin", state 1198, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, ".input.spin", state 1207, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, ".input.spin", state 1223, "(1)"
-	line 230, ".input.spin", state 1231, "(1)"
-	line 234, ".input.spin", state 1243, "(1)"
-	line 238, ".input.spin", state 1251, "(1)"
-	line 1203, ".input.spin", state 1266, "-end-"
-	(71 of 1266 states)
-unreached in proctype :init:
-	(0 of 78 states)
-
-pan: elapsed time 944 seconds
-pan: rate 1995.0819 states/second
-pan: avg transition delay 1.0414e-06 usec
-cp .input.spin asserts.spin.input
-cp .input.spin.trail asserts.spin.input.trail
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/asserts.spin.input b/formal-model/results/urcu-controldataflow-no-ipi/asserts.spin.input
deleted file mode 100644
index 542625d..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/asserts.spin.input
+++ /dev/null
@@ -1,1239 +0,0 @@
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-//#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-//#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)
-//#else
-//#define PROGRESS_LABEL(progressid)
-//#endif
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/references.txt b/formal-model/results/urcu-controldataflow-no-ipi/references.txt
deleted file mode 100644
index 72c67a2..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/references.txt
+++ /dev/null
@@ -1,13 +0,0 @@
-http://spinroot.com/spin/Man/ltl.html
-http://en.wikipedia.org/wiki/Linear_temporal_logic
-http://www.dcs.gla.ac.uk/~muffy/MRS4-2002/lect11.ppt
-
-http://www.lsv.ens-cachan.fr/~gastin/ltl2ba/index.php
-http://spinroot.com/spin/Man/index.html
-http://spinroot.com/spin/Man/promela.html
-
-LTL vs CTL :
-
-http://spinroot.com/spin/Doc/course/lecture12.pdf p. 9, p. 15, p. 18
-http://www-i2.informatik.rwth-aachen.de/i2/fileadmin/user_upload/documents/Introduction_to_Model_Checking/mc_lec18.pdf
-  (downloaded)
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/DEFINES b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/DEFINES
deleted file mode 100644
index 980fad6..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/DEFINES
+++ /dev/null
@@ -1,14 +0,0 @@
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/Makefile b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/Makefile
deleted file mode 100644
index de47dff..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/Makefile
+++ /dev/null
@@ -1,170 +0,0 @@
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
-# Copyright (C) Mathieu Desnoyers, 2009
-#
-# Authors: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
-
-#CFLAGS=-DSAFETY
-#for multi-core verif, 15.5GB shared mem, use files if full
-#CFLAGS=-DHASH64 -DMEMLIM=15500 -DNCORE=2
-#CFLAGS=-DHASH64 -DCOLLAPSE -DMA=88 -DMEMLIM=15500 -DNCORE=8
-
-#liveness
-#CFLAGS=-DHASH64 -DCOLLAPSE -DMA=88
-CFLAGS=-DHASH64
-
-SPINFILE=urcu.spin
-
-default:
-	make urcu_free | tee urcu_free.log
-	make urcu_free_no_mb | tee urcu_free_no_mb.log
-	make urcu_free_no_rmb | tee urcu_free_no_rmb.log
-	make urcu_free_no_wmb | tee urcu_free_no_wmb.log
-	make urcu_free_single_flip | tee urcu_free_single_flip.log
-	make urcu_progress_writer | tee urcu_progress_writer.log
-	make urcu_progress_reader | tee urcu_progress_reader.log
-	make urcu_progress_writer_error | tee urcu_progress_writer_error.log
-	make asserts | tee asserts.log
-	make summary
-
-#show trail : spin -v -t -N pan.ltl input.spin
-# after each individual make.
-
-summary:
-	@echo
-	@echo "Verification summary"
-	@grep errors: *.log
-
-asserts: clean
-	cat DEFINES > .input.spin
-	cat ${SPINFILE} >> .input.spin
-	rm -f .input.spin.trail
-	spin -a -X .input.spin
-	gcc -O2 -w ${CFLAGS} -DSAFETY -o pan pan.c
-	./pan -v -c1 -X -m10000000 -w20
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free: clean urcu_free_ltl run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_nested: clean urcu_free_ltl urcu_free_nested_define run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_nested_define:
-	cp urcu_free_nested.define .input.define
-
-urcu_free_no_rmb: clean urcu_free_ltl urcu_free_no_rmb_define run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_no_rmb_define:
-	cp urcu_free_no_rmb.define .input.define
-
-urcu_free_no_wmb: clean urcu_free_ltl urcu_free_no_wmb_define run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_no_wmb_define:
-	cp urcu_free_no_wmb.define .input.define
-
-urcu_free_no_mb: clean urcu_free_ltl urcu_free_no_mb_define run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_no_mb_define:
-	cp urcu_free_no_mb.define .input.define
-
-urcu_free_single_flip: clean urcu_free_ltl urcu_free_single_flip_define run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_single_flip_define:
-	cp urcu_free_single_flip.define .input.define
-
-urcu_free_ltl:
-	touch .input.define
-	cat .input.define >> pan.ltl
-	cat DEFINES >> pan.ltl
-	spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl
-
-# Progress checks
-
-urcu_progress_writer: clean urcu_progress_writer_ltl \
-		urcu_progress_writer_define run_weak_fair
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_progress_writer_define:
-	cp urcu_progress_writer.define .input.define
-
-urcu_progress_writer_ltl:
-	touch .input.define
-	cat .input.define > pan.ltl
-	cat DEFINES >> pan.ltl
-	spin -f "!(`cat urcu_progress.ltl | grep -v ^//`)" >> pan.ltl
-
-urcu_progress_reader: clean urcu_progress_reader_ltl \
-		urcu_progress_reader_define run_weak_fair
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_progress_reader_define:
-	cp urcu_progress_reader.define .input.define
-
-urcu_progress_reader_ltl:
-	touch .input.define
-	cat .input.define > pan.ltl
-	cat DEFINES >> pan.ltl
-	spin -f "!(`cat urcu_progress.ltl | grep -v ^//`)" >> pan.ltl
-
-urcu_progress_writer_error: clean urcu_progress_writer_error_ltl \
-		urcu_progress_writer_error_define run_weak_fair
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_progress_writer_error_define:
-	cp urcu_progress_writer_error.define .input.define
-
-urcu_progress_writer_error_ltl:
-	touch .input.define
-	cat .input.define > pan.ltl
-	cat DEFINES >> pan.ltl
-	spin -f "!(`cat urcu_progress.ltl | grep -v ^//`)" >> pan.ltl
-
-
-run_weak_fair: pan
-	./pan -a -f -v -c1 -X -m10000000 -w20
-
-run: pan
-	./pan -a -v -c1 -X -m10000000 -w20
-
-pan: pan.c
-	gcc -O2 -w ${CFLAGS} -o pan pan.c
-
-pan.c: pan.ltl ${SPINFILE}
-	cat .input.define > .input.spin
-	cat DEFINES >> .input.spin
-	cat ${SPINFILE} >> .input.spin
-	rm -f .input.spin.trail
-	spin -a -X -N pan.ltl .input.spin
-
-.PHONY: clean default distclean summary
-clean:
-	rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-distclean:
-	rm -f *.trail *.input *.log
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/references.txt b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/references.txt
deleted file mode 100644
index 72c67a2..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/references.txt
+++ /dev/null
@@ -1,13 +0,0 @@
-http://spinroot.com/spin/Man/ltl.html
-http://en.wikipedia.org/wiki/Linear_temporal_logic
-http://www.dcs.gla.ac.uk/~muffy/MRS4-2002/lect11.ppt
-
-http://www.lsv.ens-cachan.fr/~gastin/ltl2ba/index.php
-http://spinroot.com/spin/Man/index.html
-http://spinroot.com/spin/Man/promela.html
-
-LTL vs CTL :
-
-http://spinroot.com/spin/Doc/course/lecture12.pdf p. 9, p. 15, p. 18
-http://www-i2.informatik.rwth-aachen.de/i2/fileadmin/user_upload/documents/Introduction_to_Model_Checking/mc_lec18.pdf
-  (downloaded)
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/result-ipi-urcu_free/DEFINES b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/result-ipi-urcu_free/DEFINES
deleted file mode 100644
index 980fad6..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/result-ipi-urcu_free/DEFINES
+++ /dev/null
@@ -1,14 +0,0 @@
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/result-ipi-urcu_free/Makefile b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/result-ipi-urcu_free/Makefile
deleted file mode 100644
index de47dff..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/result-ipi-urcu_free/Makefile
+++ /dev/null
@@ -1,170 +0,0 @@
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
-# Copyright (C) Mathieu Desnoyers, 2009
-#
-# Authors: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
-
-#CFLAGS=-DSAFETY
-#for multi-core verif, 15.5GB shared mem, use files if full
-#CFLAGS=-DHASH64 -DMEMLIM=15500 -DNCORE=2
-#CFLAGS=-DHASH64 -DCOLLAPSE -DMA=88 -DMEMLIM=15500 -DNCORE=8
-
-#liveness
-#CFLAGS=-DHASH64 -DCOLLAPSE -DMA=88
-CFLAGS=-DHASH64
-
-SPINFILE=urcu.spin
-
-default:
-	make urcu_free | tee urcu_free.log
-	make urcu_free_no_mb | tee urcu_free_no_mb.log
-	make urcu_free_no_rmb | tee urcu_free_no_rmb.log
-	make urcu_free_no_wmb | tee urcu_free_no_wmb.log
-	make urcu_free_single_flip | tee urcu_free_single_flip.log
-	make urcu_progress_writer | tee urcu_progress_writer.log
-	make urcu_progress_reader | tee urcu_progress_reader.log
-	make urcu_progress_writer_error | tee urcu_progress_writer_error.log
-	make asserts | tee asserts.log
-	make summary
-
-#show trail : spin -v -t -N pan.ltl input.spin
-# after each individual make.
-
-summary:
-	@echo
-	@echo "Verification summary"
-	@grep errors: *.log
-
-asserts: clean
-	cat DEFINES > .input.spin
-	cat ${SPINFILE} >> .input.spin
-	rm -f .input.spin.trail
-	spin -a -X .input.spin
-	gcc -O2 -w ${CFLAGS} -DSAFETY -o pan pan.c
-	./pan -v -c1 -X -m10000000 -w20
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free: clean urcu_free_ltl run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_nested: clean urcu_free_ltl urcu_free_nested_define run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_nested_define:
-	cp urcu_free_nested.define .input.define
-
-urcu_free_no_rmb: clean urcu_free_ltl urcu_free_no_rmb_define run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_no_rmb_define:
-	cp urcu_free_no_rmb.define .input.define
-
-urcu_free_no_wmb: clean urcu_free_ltl urcu_free_no_wmb_define run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_no_wmb_define:
-	cp urcu_free_no_wmb.define .input.define
-
-urcu_free_no_mb: clean urcu_free_ltl urcu_free_no_mb_define run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_no_mb_define:
-	cp urcu_free_no_mb.define .input.define
-
-urcu_free_single_flip: clean urcu_free_ltl urcu_free_single_flip_define run
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_free_single_flip_define:
-	cp urcu_free_single_flip.define .input.define
-
-urcu_free_ltl:
-	touch .input.define
-	cat .input.define >> pan.ltl
-	cat DEFINES >> pan.ltl
-	spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl
-
-# Progress checks
-
-urcu_progress_writer: clean urcu_progress_writer_ltl \
-		urcu_progress_writer_define run_weak_fair
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_progress_writer_define:
-	cp urcu_progress_writer.define .input.define
-
-urcu_progress_writer_ltl:
-	touch .input.define
-	cat .input.define > pan.ltl
-	cat DEFINES >> pan.ltl
-	spin -f "!(`cat urcu_progress.ltl | grep -v ^//`)" >> pan.ltl
-
-urcu_progress_reader: clean urcu_progress_reader_ltl \
-		urcu_progress_reader_define run_weak_fair
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_progress_reader_define:
-	cp urcu_progress_reader.define .input.define
-
-urcu_progress_reader_ltl:
-	touch .input.define
-	cat .input.define > pan.ltl
-	cat DEFINES >> pan.ltl
-	spin -f "!(`cat urcu_progress.ltl | grep -v ^//`)" >> pan.ltl
-
-urcu_progress_writer_error: clean urcu_progress_writer_error_ltl \
-		urcu_progress_writer_error_define run_weak_fair
-	cp .input.spin $@.spin.input
-	-cp .input.spin.trail $@.spin.input.trail
-
-urcu_progress_writer_error_define:
-	cp urcu_progress_writer_error.define .input.define
-
-urcu_progress_writer_error_ltl:
-	touch .input.define
-	cat .input.define > pan.ltl
-	cat DEFINES >> pan.ltl
-	spin -f "!(`cat urcu_progress.ltl | grep -v ^//`)" >> pan.ltl
-
-
-run_weak_fair: pan
-	./pan -a -f -v -c1 -X -m10000000 -w20
-
-run: pan
-	./pan -a -v -c1 -X -m10000000 -w20
-
-pan: pan.c
-	gcc -O2 -w ${CFLAGS} -o pan pan.c
-
-pan.c: pan.ltl ${SPINFILE}
-	cat .input.define > .input.spin
-	cat DEFINES >> .input.spin
-	cat ${SPINFILE} >> .input.spin
-	rm -f .input.spin.trail
-	spin -a -X -N pan.ltl .input.spin
-
-.PHONY: clean default distclean summary
-clean:
-	rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-distclean:
-	rm -f *.trail *.input *.log
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/result-ipi-urcu_free/asserts.log b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/result-ipi-urcu_free/asserts.log
deleted file mode 100644
index 60a124e..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/result-ipi-urcu_free/asserts.log
+++ /dev/null
@@ -1,41 +0,0 @@
-make[1]: Entering directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-cat DEFINES > .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -DSAFETY -o pan pan.c
-./pan -v -c1 -X -m10000000 -w20
-Depth=    6408 States=    1e+06 Transitions= 1.63e+08 Memory=   542.717	t=    163 R=   6e+03
-Depth=    7831 States=    2e+06 Transitions= 3.34e+08 Memory=   618.986	t=    343 R=   6e+03
-Depth=    7831 States=    3e+06 Transitions= 5.11e+08 Memory=   695.354	t=    530 R=   6e+03
-pan: resizing hashtable to -w22..  done
-Depth=    7831 States=    4e+06 Transitions= 6.76e+08 Memory=   802.744	t=    697 R=   6e+03
-Depth=    7831 States=    5e+06 Transitions=    9e+08 Memory=   879.014	t=    928 R=   5e+03
-Depth=    7831 States=    6e+06 Transitions= 1.34e+09 Memory=   955.283	t= 1.39e+03 R=   4e+03
-Depth=    7831 States=    7e+06 Transitions= 1.71e+09 Memory=  1031.553	t= 1.79e+03 R=   4e+03
-Depth=    7831 States=    8e+06 Transitions= 2.07e+09 Memory=  1107.920	t= 2.18e+03 R=   4e+03
-Depth=    7831 States=    9e+06 Transitions= 2.39e+09 Memory=  1184.190	t= 2.53e+03 R=   4e+03
-pan: resizing hashtable to -w24..  done
-Depth=    7831 States=    1e+07 Transitions= 2.59e+09 Memory=  1384.553	t= 2.74e+03 R=   4e+03
-Depth=    7831 States=  1.1e+07 Transitions= 2.89e+09 Memory=  1460.822	t= 3.04e+03 R=   4e+03
-Depth=    7831 States=  1.2e+07 Transitions= 3.23e+09 Memory=  1537.092	t= 3.4e+03 R=   4e+03
-Depth=    7831 States=  1.3e+07 Transitions= 3.94e+09 Memory=  1613.459	t= 4.17e+03 R=   3e+03
-Depth=    7831 States=  1.4e+07 Transitions= 4.65e+09 Memory=  1689.729	t= 4.93e+03 R=   3e+03
-Depth=    7831 States=  1.5e+07 Transitions= 5.08e+09 Memory=  1765.998	t= 5.39e+03 R=   3e+03
-Depth=    7831 States=  1.6e+07 Transitions=  5.5e+09 Memory=  1842.268	t= 5.84e+03 R=   3e+03
-Depth=    7831 States=  1.7e+07 Transitions=  5.7e+09 Memory=  1918.635	t= 6.04e+03 R=   3e+03
-Depth=    7831 States=  1.8e+07 Transitions= 6.11e+09 Memory=  1994.904	t= 6.49e+03 R=   3e+03
-Depth=    7831 States=  1.9e+07 Transitions= 6.54e+09 Memory=  2071.174	t= 6.95e+03 R=   3e+03
-Depth=    7831 States=    2e+07 Transitions= 6.89e+09 Memory=  2147.443	t= 7.32e+03 R=   3e+03
-Depth=    7991 States=  2.1e+07 Transitions= 7.11e+09 Memory=  2223.811	t= 7.55e+03 R=   3e+03
-Depth=    7991 States=  2.2e+07 Transitions= 7.39e+09 Memory=  2300.080	t= 7.85e+03 R=   3e+03
-Depth=    7991 States=  2.3e+07 Transitions= 7.59e+09 Memory=  2376.350	t= 8.06e+03 R=   3e+03
-Depth=    7991 States=  2.4e+07 Transitions= 7.86e+09 Memory=  2452.619	t= 8.35e+03 R=   3e+03
-Depth=    7991 States=  2.5e+07 Transitions= 8.07e+09 Memory=  2528.986	t= 8.58e+03 R=   3e+03
-Depth=    7991 States=  2.6e+07 Transitions= 8.31e+09 Memory=  2605.256	t= 8.83e+03 R=   3e+03
-Depth=    7991 States=  2.7e+07 Transitions= 8.55e+09 Memory=  2681.526	t= 9.09e+03 R=   3e+03
-Depth=    7991 States=  2.8e+07 Transitions= 8.79e+09 Memory=  2757.795	t= 9.35e+03 R=   3e+03
-Depth=    7991 States=  2.9e+07 Transitions= 9.03e+09 Memory=  2834.162	t= 9.61e+03 R=   3e+03
-Depth=    7991 States=    3e+07 Transitions= 9.24e+09 Memory=  2910.432	t= 9.83e+03 R=   3e+03
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/result-ipi-urcu_free/asserts.spin.input b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/result-ipi-urcu_free/asserts.spin.input
deleted file mode 100644
index a3e31d3..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/result-ipi-urcu_free/asserts.spin.input
+++ /dev/null
@@ -1,1191 +0,0 @@
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-//#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-	/*
-	 * Busy-looping waiting for other barrier requests is not considered as
-	 * non-progress.
-	 */
-#ifdef READER_PROGRESS
-progress_reader2:
-#endif
-#ifdef WRITER_PROGRESS
-//progress_writer_from_reader1:
-#endif
-		skip;
-	:: 1 ->
-		/* We choose to ignore writer's non-progress caused from the
-		 * reader ignoring the writer's mb() requests */
-#ifdef WRITER_PROGRESS
-//progress_writer_from_reader2:
-#endif
-		break;
-	od;
-}
-
-#ifdef WRITER_PROGRESS
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-#else
-#define PROGRESS_LABEL(progressid)
-#endif
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-PROGRESS_LABEL(progressid)							\
-		do								\
-		:: (reader_barrier[i] == 1) -> skip;				\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		:: 1 -> skip;
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_PROC_FIRST_MB		(1 << 1)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 2)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 3)
-#define WRITE_PROC_FIRST_WAIT		(1 << 4)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 5)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 6)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 7)
-#define WRITE_PROC_SECOND_WAIT		(1 << 8)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 9)
-
-#define WRITE_PROC_SECOND_MB		(1 << 10)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 11) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 4) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		/* TODO : add instruction scheduling to this code path to test
-		 * missing wmb effect. */
-		/* smp_wmb() ensures order of the following instructions */
-		/* malloc */
-		cur_data = (cur_data + 1) % SLAB_SIZE;
-		ooo_mem(i);
-		WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-#ifndef NO_WMB
-		smp_wmb(i, j);
-#else
-		ooo_mem(i);
-#endif
-		/* rcu_xchg_pointer() */
-		atomic {
-			old_data = READ_CACHED_VAR(rcu_ptr);
-			WRITE_CACHED_VAR(rcu_ptr, cur_data);
-		}
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-
-		WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/result-ipi-urcu_free/references.txt b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/result-ipi-urcu_free/references.txt
deleted file mode 100644
index 72c67a2..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/result-ipi-urcu_free/references.txt
+++ /dev/null
@@ -1,13 +0,0 @@
-http://spinroot.com/spin/Man/ltl.html
-http://en.wikipedia.org/wiki/Linear_temporal_logic
-http://www.dcs.gla.ac.uk/~muffy/MRS4-2002/lect11.ppt
-
-http://www.lsv.ens-cachan.fr/~gastin/ltl2ba/index.php
-http://spinroot.com/spin/Man/index.html
-http://spinroot.com/spin/Man/promela.html
-
-LTL vs CTL :
-
-http://spinroot.com/spin/Doc/course/lecture12.pdf p. 9, p. 15, p. 18
-http://www-i2.informatik.rwth-aachen.de/i2/fileadmin/user_upload/documents/Introduction_to_Model_Checking/mc_lec18.pdf
-  (downloaded)
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu.sh b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu.sh
deleted file mode 100644
index 65ff517..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu.sh
+++ /dev/null
@@ -1,29 +0,0 @@
-#!/bin/sh
-#
-# Compiles and runs the urcu.spin Promela model.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
-# Copyright (C) IBM Corporation, 2009
-#               Mathieu Desnoyers, 2009
-#
-# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
-#          Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
-
-# Basic execution, without LTL clauses. See Makefile.
-
-spin -a urcu.spin
-cc -DSAFETY -o pan pan.c
-./pan -v -c1 -X -m10000000 -w21
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu.spin b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu.spin
deleted file mode 100644
index 3751868..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu.spin
+++ /dev/null
@@ -1,1212 +0,0 @@
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/* We choose to ignore writer's non-progress caused from the
-		 * reader ignoring the writer's mb() requests */
-#ifdef WRITER_PROGRESS
-progress_writer_from_reader:
-#endif
-		break;
-	od;
-}
-
-#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-#define PROGRESS_LABEL(progressid)
-#else
-#define PROGRESS_LABEL(progressid)
-#endif
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-PROGRESS_LABEL(progressid)							\
-		do								\
-		:: (reader_barrier[i] == 1) -> skip;				\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		:: 1 -> skip;
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu.spin.bkp.b4ptr b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu.spin.bkp.b4ptr
deleted file mode 100644
index 6670f3e..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu.spin.bkp.b4ptr
+++ /dev/null
@@ -1,1123 +0,0 @@
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bit {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bit cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(generation_ptr, get_pid());
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(generation_ptr, get_pid());
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-	/*
-	 * Busy-looping waiting for other barrier requests is not considered as
-	 * non-progress.
-	 */
-#ifdef READER_PROGRESS
-progress_reader2:
-#endif
-#ifdef WRITER_PROGRESS
-//progress_writer_from_reader1:
-#endif
-		skip;
-	:: 1 ->
-		/* We choose to ignore writer's non-progress caused from the
-		 * reader ignoring the writer's mb() requests */
-#ifdef WRITER_PROGRESS
-//progress_writer_from_reader2:
-#endif
-		break;
-	od;
-}
-
-#ifdef WRITER_PROGRESS
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-#else
-#define PROGRESS_LABEL(progressid)
-#endif
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-PROGRESS_LABEL(progressid)							\
-		do								\
-		:: (reader_barrier[i] == 1) -> skip;				\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, wmp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only two readers */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* pointer generation */
-DECLARE_CACHED_VAR(byte, generation_ptr);
-
-byte last_free_gen = 0;
-bit free_done = 0;
-byte read_generation[NR_READERS];
-bit data_access[NR_READERS];
-
-bit write_lock = 0;
-
-bit init_done = 0;
-
-bit sighand_exec = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(generation_ptr, get_pid());
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(generation_ptr, get_pid());
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		:: 1 -> skip;
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				read_generation[get_readerid()] =
-					READ_CACHED_VAR(generation_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				ooo_mem(i);
-				goto non_atomic;
-non_atomic_end:
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				read_generation[get_readerid()] =
-					READ_CACHED_VAR(generation_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				ooo_mem(i);
-				goto non_atomic2;
-non_atomic2_end:
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-non_atomic:
-	data_access[get_readerid()] = 1;
-	data_access[get_readerid()] = 0;
-	goto non_atomic_end;
-non_atomic2:
-	data_access[get_readerid()] = 1;
-	data_access[get_readerid()] = 0;
-	goto non_atomic2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_PROC_FIRST_MB		(1 << 1)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 2)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 3)
-#define WRITE_PROC_FIRST_WAIT		(1 << 4)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 5)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 6)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 7)
-#define WRITE_PROC_SECOND_WAIT		(1 << 8)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 9)
-
-#define WRITE_PROC_SECOND_MB		(1 << 10)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 11) - 1)
-
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte old_gen;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (READ_CACHED_VAR(generation_ptr) < 5) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		ooo_mem(i);
-		atomic {
-			old_gen = READ_CACHED_VAR(generation_ptr);
-			WRITE_CACHED_VAR(generation_ptr, old_gen + 1);
-		}
-		ooo_mem(i);
-
-		do
-		:: 1 ->
-			atomic {
-				if
-				:: write_lock == 0 ->
-					write_lock = 1;
-					break;
-				:: else ->
-					skip;
-				fi;
-			}
-		od;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-
-		write_lock = 0;
-		/* free-up step, e.g., kfree(). */
-		atomic {
-			last_free_gen = old_gen;
-			free_done = 1;
-		}
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(generation_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			read_generation[i] = 1;
-			data_access[i] = 0;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free.log b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free.log
deleted file mode 100644
index 886469c..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free.log
+++ /dev/null
@@ -1,584 +0,0 @@
-make[1]: Entering directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define >> pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1244)
-Depth=    8092 States=    1e+06 Transitions= 1.63e+08 Memory=   550.432	t=    202 R=   5e+03
-Depth=    9706 States=    2e+06 Transitions= 3.34e+08 Memory=   634.318	t=    421 R=   5e+03
-Depth=    9706 States=    3e+06 Transitions= 5.11e+08 Memory=   718.303	t=    649 R=   5e+03
-pan: resizing hashtable to -w22..  done
-Depth=    9706 States=    4e+06 Transitions= 6.76e+08 Memory=   833.311	t=    855 R=   5e+03
-Depth=    9706 States=    5e+06 Transitions=    9e+08 Memory=   917.295	t= 1.14e+03 R=   4e+03
-Depth=    9706 States=    6e+06 Transitions= 1.34e+09 Memory=  1001.279	t= 1.7e+03 R=   4e+03
-Depth=    9706 States=    7e+06 Transitions= 1.71e+09 Memory=  1085.264	t= 2.18e+03 R=   3e+03
-Depth=    9706 States=    8e+06 Transitions= 2.07e+09 Memory=  1169.151	t= 2.65e+03 R=   3e+03
-Depth=    9706 States=    9e+06 Transitions= 2.39e+09 Memory=  1253.135	t= 3.08e+03 R=   3e+03
-pan: resizing hashtable to -w24..  done
-Depth=    9706 States=    1e+07 Transitions= 2.59e+09 Memory=  1461.115	t= 3.33e+03 R=   3e+03
-Depth=    9706 States=  1.1e+07 Transitions= 2.89e+09 Memory=  1545.100	t= 3.7e+03 R=   3e+03
-Depth=    9706 States=  1.2e+07 Transitions= 3.23e+09 Memory=  1629.084	t= 4.14e+03 R=   3e+03
-Depth=    9706 States=  1.3e+07 Transitions= 3.94e+09 Memory=  1713.068	t= 5.07e+03 R=   3e+03
-Depth=    9706 States=  1.4e+07 Transitions= 4.65e+09 Memory=  1797.053	t= 5.99e+03 R=   2e+03
-Depth=    9706 States=  1.5e+07 Transitions= 5.08e+09 Memory=  1881.037	t= 6.56e+03 R=   2e+03
-Depth=    9706 States=  1.6e+07 Transitions=  5.5e+09 Memory=  1964.924	t= 7.11e+03 R=   2e+03
-Depth=    9706 States=  1.7e+07 Transitions=  5.7e+09 Memory=  2048.908	t= 7.35e+03 R=   2e+03
-Depth=    9706 States=  1.8e+07 Transitions= 6.12e+09 Memory=  2132.893	t= 7.9e+03 R=   2e+03
-Depth=    9706 States=  1.9e+07 Transitions= 6.54e+09 Memory=  2216.877	t= 8.45e+03 R=   2e+03
-Depth=    9706 States=    2e+07 Transitions= 6.89e+09 Memory=  2300.861	t= 8.91e+03 R=   2e+03
-Depth=    9744 States=  2.1e+07 Transitions= 7.11e+09 Memory=  2384.846	t= 9.18e+03 R=   2e+03
-Depth=    9744 States=  2.2e+07 Transitions= 7.39e+09 Memory=  2468.830	t= 9.54e+03 R=   2e+03
-Depth=    9744 States=  2.3e+07 Transitions= 7.59e+09 Memory=  2552.717	t= 9.81e+03 R=   2e+03
-Depth=    9744 States=  2.4e+07 Transitions= 7.86e+09 Memory=  2636.701	t= 1.02e+04 R=   2e+03
-Depth=    9744 States=  2.5e+07 Transitions= 8.07e+09 Memory=  2720.686	t= 1.04e+04 R=   2e+03
-Depth=    9744 States=  2.6e+07 Transitions= 8.31e+09 Memory=  2804.670	t= 1.07e+04 R=   2e+03
-Depth=    9744 States=  2.7e+07 Transitions= 8.55e+09 Memory=  2888.654	t= 1.11e+04 R=   2e+03
-Depth=    9744 States=  2.8e+07 Transitions= 8.79e+09 Memory=  2972.639	t= 1.14e+04 R=   2e+03
-Depth=    9744 States=  2.9e+07 Transitions= 9.03e+09 Memory=  3056.526	t= 1.17e+04 R=   2e+03
-Depth=    9744 States=    3e+07 Transitions= 9.24e+09 Memory=  3140.510	t= 1.2e+04 R=   3e+03
-Depth=    9744 States=  3.1e+07 Transitions= 9.55e+09 Memory=  3224.494	t= 1.24e+04 R=   3e+03
-Depth=    9744 States=  3.2e+07 Transitions=    1e+10 Memory=  3308.479	t= 1.3e+04 R=   2e+03
-Depth=    9744 States=  3.3e+07 Transitions= 1.04e+10 Memory=  3392.463	t= 1.35e+04 R=   2e+03
-Depth=    9744 States=  3.4e+07 Transitions= 1.08e+10 Memory=  3476.447	t= 1.4e+04 R=   2e+03
-pan: resizing hashtable to -w26..  done
-Depth=    9744 States=  3.5e+07 Transitions= 1.11e+10 Memory=  4056.416	t= 1.45e+04 R=   2e+03
-Depth=    9744 States=  3.6e+07 Transitions= 1.14e+10 Memory=  4140.401	t= 1.47e+04 R=   2e+03
-Depth=    9744 States=  3.7e+07 Transitions= 1.16e+10 Memory=  4224.385	t= 1.51e+04 R=   2e+03
-Depth=    9744 States=  3.8e+07 Transitions= 1.19e+10 Memory=  4308.369	t= 1.54e+04 R=   2e+03
-Depth=    9744 States=  3.9e+07 Transitions= 1.25e+10 Memory=  4392.354	t= 1.62e+04 R=   2e+03
-Depth=    9744 States=    4e+07 Transitions= 1.33e+10 Memory=  4476.338	t= 1.72e+04 R=   2e+03
-Depth=    9744 States=  4.1e+07 Transitions= 1.38e+10 Memory=  4560.225	t= 1.79e+04 R=   2e+03
-Depth=    9744 States=  4.2e+07 Transitions= 1.43e+10 Memory=  4644.209	t= 1.86e+04 R=   2e+03
-Depth=    9744 States=  4.3e+07 Transitions= 1.45e+10 Memory=  4728.193	t= 1.88e+04 R=   2e+03
-Depth=    9744 States=  4.4e+07 Transitions= 1.48e+10 Memory=  4812.178	t= 1.92e+04 R=   2e+03
-Depth=    9744 States=  4.5e+07 Transitions= 1.52e+10 Memory=  4896.162	t= 1.97e+04 R=   2e+03
-Depth=    9744 States=  4.6e+07 Transitions= 1.55e+10 Memory=  4980.147	t= 2.02e+04 R=   2e+03
-Depth=    9744 States=  4.7e+07 Transitions= 1.58e+10 Memory=  5064.131	t= 2.05e+04 R=   2e+03
-Depth=    9744 States=  4.8e+07 Transitions= 1.61e+10 Memory=  5148.018	t= 2.08e+04 R=   2e+03
-Depth=    9744 States=  4.9e+07 Transitions= 1.63e+10 Memory=  5232.002	t= 2.11e+04 R=   2e+03
-Depth=    9744 States=    5e+07 Transitions= 1.66e+10 Memory=  5315.986	t= 2.15e+04 R=   2e+03
-Depth=    9744 States=  5.1e+07 Transitions= 1.68e+10 Memory=  5399.971	t= 2.17e+04 R=   2e+03
-Depth=    9744 States=  5.2e+07 Transitions=  1.7e+10 Memory=  5483.955	t= 2.2e+04 R=   2e+03
-Depth=    9744 States=  5.3e+07 Transitions= 1.72e+10 Memory=  5567.940	t= 2.23e+04 R=   2e+03
-Depth=    9744 States=  5.4e+07 Transitions= 1.75e+10 Memory=  5651.826	t= 2.26e+04 R=   2e+03
-Depth=    9744 States=  5.5e+07 Transitions= 1.77e+10 Memory=  5735.811	t= 2.29e+04 R=   2e+03
-Depth=    9744 States=  5.6e+07 Transitions= 1.79e+10 Memory=  5819.795	t= 2.32e+04 R=   2e+03
-Depth=    9744 States=  5.7e+07 Transitions= 1.83e+10 Memory=  5903.779	t= 2.36e+04 R=   2e+03
-Depth=    9744 States=  5.8e+07 Transitions= 1.87e+10 Memory=  5987.764	t= 2.42e+04 R=   2e+03
-Depth=    9744 States=  5.9e+07 Transitions= 1.91e+10 Memory=  6071.748	t= 2.46e+04 R=   2e+03
-Depth=    9744 States=    6e+07 Transitions= 1.94e+10 Memory=  6155.733	t= 2.51e+04 R=   2e+03
-Depth=    9744 States=  6.1e+07 Transitions= 1.98e+10 Memory=  6239.619	t= 2.56e+04 R=   2e+03
-Depth=    9744 States=  6.2e+07 Transitions= 2.02e+10 Memory=  6323.604	t= 2.61e+04 R=   2e+03
-
-(Spin Version 5.1.7 -- 23 December 2008)
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness disabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 9744, errors: 0
- 62203844 states, stored
-2.0186786e+10 states, matched
-2.024899e+10 transitions (= stored+matched)
-1.1642436e+11 atomic steps
-hash conflicts: 1.1759978e+10 (resolved)
-
-Stats on memory usage (in Megabytes):
- 6881.376	equivalent memory usage for states (stored*(State-vector + overhead))
- 5374.024	actual memory usage for states (compression: 78.10%)
-         	state-vector as stored = 63 byte + 28 byte overhead
-  512.000	memory used for hash table (-w26)
-  457.764	memory used for DFS stack (-m10000000)
-    2.996	memory lost to fragmentation
- 6340.791	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 249, "pan.___", state 32, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 257, "pan.___", state 54, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, "pan.___", state 63, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, "pan.___", state 79, "(1)"
-	line 230, "pan.___", state 87, "(1)"
-	line 234, "pan.___", state 99, "(1)"
-	line 238, "pan.___", state 107, "(1)"
-	line 386, "pan.___", state 132, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 164, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 178, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 197, "(1)"
-	line 412, "pan.___", state 227, "(1)"
-	line 416, "pan.___", state 240, "(1)"
-	line 662, "pan.___", state 261, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 386, "pan.___", state 268, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 300, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 314, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 333, "(1)"
-	line 412, "pan.___", state 363, "(1)"
-	line 416, "pan.___", state 376, "(1)"
-	line 386, "pan.___", state 397, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 429, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 443, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 462, "(1)"
-	line 412, "pan.___", state 492, "(1)"
-	line 416, "pan.___", state 505, "(1)"
-	line 386, "pan.___", state 528, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 386, "pan.___", state 530, "(1)"
-	line 386, "pan.___", state 531, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 386, "pan.___", state 531, "else"
-	line 386, "pan.___", state 534, "(1)"
-	line 390, "pan.___", state 542, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 390, "pan.___", state 544, "(1)"
-	line 390, "pan.___", state 545, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 390, "pan.___", state 545, "else"
-	line 390, "pan.___", state 548, "(1)"
-	line 390, "pan.___", state 549, "(1)"
-	line 390, "pan.___", state 549, "(1)"
-	line 388, "pan.___", state 554, "((i<1))"
-	line 388, "pan.___", state 554, "((i>=1))"
-	line 395, "pan.___", state 560, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 562, "(1)"
-	line 395, "pan.___", state 563, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 563, "else"
-	line 395, "pan.___", state 566, "(1)"
-	line 395, "pan.___", state 567, "(1)"
-	line 395, "pan.___", state 567, "(1)"
-	line 399, "pan.___", state 574, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 576, "(1)"
-	line 399, "pan.___", state 577, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 577, "else"
-	line 399, "pan.___", state 580, "(1)"
-	line 399, "pan.___", state 581, "(1)"
-	line 399, "pan.___", state 581, "(1)"
-	line 397, "pan.___", state 586, "((i<2))"
-	line 397, "pan.___", state 586, "((i>=2))"
-	line 403, "pan.___", state 593, "(1)"
-	line 403, "pan.___", state 594, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 403, "pan.___", state 594, "else"
-	line 403, "pan.___", state 597, "(1)"
-	line 403, "pan.___", state 598, "(1)"
-	line 403, "pan.___", state 598, "(1)"
-	line 407, "pan.___", state 606, "(1)"
-	line 407, "pan.___", state 607, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 407, "pan.___", state 607, "else"
-	line 407, "pan.___", state 610, "(1)"
-	line 407, "pan.___", state 611, "(1)"
-	line 407, "pan.___", state 611, "(1)"
-	line 405, "pan.___", state 616, "((i<1))"
-	line 405, "pan.___", state 616, "((i>=1))"
-	line 412, "pan.___", state 623, "(1)"
-	line 412, "pan.___", state 624, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 624, "else"
-	line 412, "pan.___", state 627, "(1)"
-	line 412, "pan.___", state 628, "(1)"
-	line 412, "pan.___", state 628, "(1)"
-	line 416, "pan.___", state 636, "(1)"
-	line 416, "pan.___", state 637, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 637, "else"
-	line 416, "pan.___", state 640, "(1)"
-	line 416, "pan.___", state 641, "(1)"
-	line 416, "pan.___", state 641, "(1)"
-	line 414, "pan.___", state 646, "((i<2))"
-	line 414, "pan.___", state 646, "((i>=2))"
-	line 421, "pan.___", state 650, "(1)"
-	line 421, "pan.___", state 650, "(1)"
-	line 662, "pan.___", state 653, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 662, "pan.___", state 654, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 662, "pan.___", state 655, "(1)"
-	line 386, "pan.___", state 662, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 694, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 708, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 727, "(1)"
-	line 412, "pan.___", state 757, "(1)"
-	line 416, "pan.___", state 770, "(1)"
-	line 386, "pan.___", state 798, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 386, "pan.___", state 800, "(1)"
-	line 386, "pan.___", state 801, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 386, "pan.___", state 801, "else"
-	line 386, "pan.___", state 804, "(1)"
-	line 390, "pan.___", state 812, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 390, "pan.___", state 814, "(1)"
-	line 390, "pan.___", state 815, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 390, "pan.___", state 815, "else"
-	line 390, "pan.___", state 818, "(1)"
-	line 390, "pan.___", state 819, "(1)"
-	line 390, "pan.___", state 819, "(1)"
-	line 388, "pan.___", state 824, "((i<1))"
-	line 388, "pan.___", state 824, "((i>=1))"
-	line 395, "pan.___", state 830, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 832, "(1)"
-	line 395, "pan.___", state 833, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 833, "else"
-	line 395, "pan.___", state 836, "(1)"
-	line 395, "pan.___", state 837, "(1)"
-	line 395, "pan.___", state 837, "(1)"
-	line 399, "pan.___", state 844, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 846, "(1)"
-	line 399, "pan.___", state 847, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 847, "else"
-	line 399, "pan.___", state 850, "(1)"
-	line 399, "pan.___", state 851, "(1)"
-	line 399, "pan.___", state 851, "(1)"
-	line 397, "pan.___", state 856, "((i<2))"
-	line 397, "pan.___", state 856, "((i>=2))"
-	line 403, "pan.___", state 863, "(1)"
-	line 403, "pan.___", state 864, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 403, "pan.___", state 864, "else"
-	line 403, "pan.___", state 867, "(1)"
-	line 403, "pan.___", state 868, "(1)"
-	line 403, "pan.___", state 868, "(1)"
-	line 407, "pan.___", state 876, "(1)"
-	line 407, "pan.___", state 877, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 407, "pan.___", state 877, "else"
-	line 407, "pan.___", state 880, "(1)"
-	line 407, "pan.___", state 881, "(1)"
-	line 407, "pan.___", state 881, "(1)"
-	line 405, "pan.___", state 886, "((i<1))"
-	line 405, "pan.___", state 886, "((i>=1))"
-	line 412, "pan.___", state 893, "(1)"
-	line 412, "pan.___", state 894, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 894, "else"
-	line 412, "pan.___", state 897, "(1)"
-	line 412, "pan.___", state 898, "(1)"
-	line 412, "pan.___", state 898, "(1)"
-	line 416, "pan.___", state 906, "(1)"
-	line 416, "pan.___", state 907, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 907, "else"
-	line 416, "pan.___", state 910, "(1)"
-	line 416, "pan.___", state 911, "(1)"
-	line 416, "pan.___", state 911, "(1)"
-	line 421, "pan.___", state 920, "(1)"
-	line 421, "pan.___", state 920, "(1)"
-	line 386, "pan.___", state 927, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 386, "pan.___", state 929, "(1)"
-	line 386, "pan.___", state 930, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 386, "pan.___", state 930, "else"
-	line 386, "pan.___", state 933, "(1)"
-	line 390, "pan.___", state 941, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 390, "pan.___", state 943, "(1)"
-	line 390, "pan.___", state 944, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 390, "pan.___", state 944, "else"
-	line 390, "pan.___", state 947, "(1)"
-	line 390, "pan.___", state 948, "(1)"
-	line 390, "pan.___", state 948, "(1)"
-	line 388, "pan.___", state 953, "((i<1))"
-	line 388, "pan.___", state 953, "((i>=1))"
-	line 395, "pan.___", state 959, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 961, "(1)"
-	line 395, "pan.___", state 962, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 962, "else"
-	line 395, "pan.___", state 965, "(1)"
-	line 395, "pan.___", state 966, "(1)"
-	line 395, "pan.___", state 966, "(1)"
-	line 399, "pan.___", state 973, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 975, "(1)"
-	line 399, "pan.___", state 976, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 976, "else"
-	line 399, "pan.___", state 979, "(1)"
-	line 399, "pan.___", state 980, "(1)"
-	line 399, "pan.___", state 980, "(1)"
-	line 397, "pan.___", state 985, "((i<2))"
-	line 397, "pan.___", state 985, "((i>=2))"
-	line 403, "pan.___", state 992, "(1)"
-	line 403, "pan.___", state 993, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 403, "pan.___", state 993, "else"
-	line 403, "pan.___", state 996, "(1)"
-	line 403, "pan.___", state 997, "(1)"
-	line 403, "pan.___", state 997, "(1)"
-	line 407, "pan.___", state 1005, "(1)"
-	line 407, "pan.___", state 1006, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 407, "pan.___", state 1006, "else"
-	line 407, "pan.___", state 1009, "(1)"
-	line 407, "pan.___", state 1010, "(1)"
-	line 407, "pan.___", state 1010, "(1)"
-	line 405, "pan.___", state 1015, "((i<1))"
-	line 405, "pan.___", state 1015, "((i>=1))"
-	line 412, "pan.___", state 1022, "(1)"
-	line 412, "pan.___", state 1023, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 1023, "else"
-	line 412, "pan.___", state 1026, "(1)"
-	line 412, "pan.___", state 1027, "(1)"
-	line 412, "pan.___", state 1027, "(1)"
-	line 416, "pan.___", state 1035, "(1)"
-	line 416, "pan.___", state 1036, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 1036, "else"
-	line 416, "pan.___", state 1039, "(1)"
-	line 416, "pan.___", state 1040, "(1)"
-	line 416, "pan.___", state 1040, "(1)"
-	line 414, "pan.___", state 1045, "((i<2))"
-	line 414, "pan.___", state 1045, "((i>=2))"
-	line 421, "pan.___", state 1049, "(1)"
-	line 421, "pan.___", state 1049, "(1)"
-	line 670, "pan.___", state 1053, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 386, "pan.___", state 1058, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 1090, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 1104, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 1123, "(1)"
-	line 412, "pan.___", state 1153, "(1)"
-	line 416, "pan.___", state 1166, "(1)"
-	line 386, "pan.___", state 1190, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 1222, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 1236, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 1255, "(1)"
-	line 412, "pan.___", state 1285, "(1)"
-	line 416, "pan.___", state 1298, "(1)"
-	line 386, "pan.___", state 1323, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 1355, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 1369, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 1388, "(1)"
-	line 412, "pan.___", state 1418, "(1)"
-	line 416, "pan.___", state 1431, "(1)"
-	line 386, "pan.___", state 1452, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 1484, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 1498, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 1517, "(1)"
-	line 412, "pan.___", state 1547, "(1)"
-	line 416, "pan.___", state 1560, "(1)"
-	line 386, "pan.___", state 1586, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 1618, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 1632, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 1651, "(1)"
-	line 412, "pan.___", state 1681, "(1)"
-	line 416, "pan.___", state 1694, "(1)"
-	line 386, "pan.___", state 1715, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 1747, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 1761, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 1780, "(1)"
-	line 412, "pan.___", state 1810, "(1)"
-	line 416, "pan.___", state 1823, "(1)"
-	line 386, "pan.___", state 1847, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 1879, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 1893, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 1912, "(1)"
-	line 412, "pan.___", state 1942, "(1)"
-	line 416, "pan.___", state 1955, "(1)"
-	line 709, "pan.___", state 1976, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 386, "pan.___", state 1983, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 2015, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2029, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 2048, "(1)"
-	line 412, "pan.___", state 2078, "(1)"
-	line 416, "pan.___", state 2091, "(1)"
-	line 386, "pan.___", state 2112, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 2144, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2158, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 2177, "(1)"
-	line 412, "pan.___", state 2207, "(1)"
-	line 416, "pan.___", state 2220, "(1)"
-	line 386, "pan.___", state 2243, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 386, "pan.___", state 2245, "(1)"
-	line 386, "pan.___", state 2246, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 386, "pan.___", state 2246, "else"
-	line 386, "pan.___", state 2249, "(1)"
-	line 390, "pan.___", state 2257, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 390, "pan.___", state 2259, "(1)"
-	line 390, "pan.___", state 2260, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 390, "pan.___", state 2260, "else"
-	line 390, "pan.___", state 2263, "(1)"
-	line 390, "pan.___", state 2264, "(1)"
-	line 390, "pan.___", state 2264, "(1)"
-	line 388, "pan.___", state 2269, "((i<1))"
-	line 388, "pan.___", state 2269, "((i>=1))"
-	line 395, "pan.___", state 2275, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 2277, "(1)"
-	line 395, "pan.___", state 2278, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 2278, "else"
-	line 395, "pan.___", state 2281, "(1)"
-	line 395, "pan.___", state 2282, "(1)"
-	line 395, "pan.___", state 2282, "(1)"
-	line 399, "pan.___", state 2289, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2291, "(1)"
-	line 399, "pan.___", state 2292, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 2292, "else"
-	line 399, "pan.___", state 2295, "(1)"
-	line 399, "pan.___", state 2296, "(1)"
-	line 399, "pan.___", state 2296, "(1)"
-	line 397, "pan.___", state 2301, "((i<2))"
-	line 397, "pan.___", state 2301, "((i>=2))"
-	line 403, "pan.___", state 2308, "(1)"
-	line 403, "pan.___", state 2309, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 403, "pan.___", state 2309, "else"
-	line 403, "pan.___", state 2312, "(1)"
-	line 403, "pan.___", state 2313, "(1)"
-	line 403, "pan.___", state 2313, "(1)"
-	line 407, "pan.___", state 2321, "(1)"
-	line 407, "pan.___", state 2322, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 407, "pan.___", state 2322, "else"
-	line 407, "pan.___", state 2325, "(1)"
-	line 407, "pan.___", state 2326, "(1)"
-	line 407, "pan.___", state 2326, "(1)"
-	line 405, "pan.___", state 2331, "((i<1))"
-	line 405, "pan.___", state 2331, "((i>=1))"
-	line 412, "pan.___", state 2338, "(1)"
-	line 412, "pan.___", state 2339, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 2339, "else"
-	line 412, "pan.___", state 2342, "(1)"
-	line 412, "pan.___", state 2343, "(1)"
-	line 412, "pan.___", state 2343, "(1)"
-	line 416, "pan.___", state 2351, "(1)"
-	line 416, "pan.___", state 2352, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 2352, "else"
-	line 416, "pan.___", state 2355, "(1)"
-	line 416, "pan.___", state 2356, "(1)"
-	line 416, "pan.___", state 2356, "(1)"
-	line 414, "pan.___", state 2361, "((i<2))"
-	line 414, "pan.___", state 2361, "((i>=2))"
-	line 421, "pan.___", state 2365, "(1)"
-	line 421, "pan.___", state 2365, "(1)"
-	line 709, "pan.___", state 2368, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 709, "pan.___", state 2369, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 709, "pan.___", state 2370, "(1)"
-	line 386, "pan.___", state 2377, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 2409, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2423, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 2442, "(1)"
-	line 412, "pan.___", state 2472, "(1)"
-	line 416, "pan.___", state 2485, "(1)"
-	line 386, "pan.___", state 2512, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 2544, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2558, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 2577, "(1)"
-	line 412, "pan.___", state 2607, "(1)"
-	line 416, "pan.___", state 2620, "(1)"
-	line 386, "pan.___", state 2641, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 2673, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2687, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 2706, "(1)"
-	line 412, "pan.___", state 2736, "(1)"
-	line 416, "pan.___", state 2749, "(1)"
-	line 226, "pan.___", state 2782, "(1)"
-	line 234, "pan.___", state 2802, "(1)"
-	line 238, "pan.___", state 2810, "(1)"
-	line 226, "pan.___", state 2825, "(1)"
-	line 234, "pan.___", state 2845, "(1)"
-	line 238, "pan.___", state 2853, "(1)"
-	line 869, "pan.___", state 2870, "-end-"
-	(278 of 2870 states)
-unreached in proctype urcu_writer
-	line 386, "pan.___", state 18, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 390, "pan.___", state 32, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 50, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 83, "(1)"
-	line 407, "pan.___", state 96, "(1)"
-	line 412, "pan.___", state 113, "(1)"
-	line 249, "pan.___", state 149, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 253, "pan.___", state 158, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, "pan.___", state 171, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 386, "pan.___", state 211, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 390, "pan.___", state 225, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 243, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 257, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 276, "(1)"
-	line 407, "pan.___", state 289, "(1)"
-	line 412, "pan.___", state 306, "(1)"
-	line 416, "pan.___", state 319, "(1)"
-	line 390, "pan.___", state 356, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 374, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 388, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 420, "(1)"
-	line 412, "pan.___", state 437, "(1)"
-	line 416, "pan.___", state 450, "(1)"
-	line 390, "pan.___", state 494, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 512, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 526, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 558, "(1)"
-	line 412, "pan.___", state 575, "(1)"
-	line 416, "pan.___", state 588, "(1)"
-	line 390, "pan.___", state 623, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 641, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 655, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 687, "(1)"
-	line 412, "pan.___", state 704, "(1)"
-	line 416, "pan.___", state 717, "(1)"
-	line 390, "pan.___", state 754, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 772, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 786, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 818, "(1)"
-	line 412, "pan.___", state 835, "(1)"
-	line 416, "pan.___", state 848, "(1)"
-	line 249, "pan.___", state 903, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 253, "pan.___", state 912, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, "pan.___", state 927, "(1)"
-	line 261, "pan.___", state 934, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, "pan.___", state 950, "(1)"
-	line 230, "pan.___", state 958, "(1)"
-	line 234, "pan.___", state 970, "(1)"
-	line 238, "pan.___", state 978, "(1)"
-	line 249, "pan.___", state 1009, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 253, "pan.___", state 1018, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, "pan.___", state 1031, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, "pan.___", state 1040, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, "pan.___", state 1056, "(1)"
-	line 230, "pan.___", state 1064, "(1)"
-	line 234, "pan.___", state 1076, "(1)"
-	line 238, "pan.___", state 1084, "(1)"
-	line 253, "pan.___", state 1110, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, "pan.___", state 1123, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, "pan.___", state 1132, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, "pan.___", state 1148, "(1)"
-	line 230, "pan.___", state 1156, "(1)"
-	line 234, "pan.___", state 1168, "(1)"
-	line 238, "pan.___", state 1176, "(1)"
-	line 249, "pan.___", state 1207, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 253, "pan.___", state 1216, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, "pan.___", state 1229, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, "pan.___", state 1238, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, "pan.___", state 1254, "(1)"
-	line 230, "pan.___", state 1262, "(1)"
-	line 234, "pan.___", state 1274, "(1)"
-	line 238, "pan.___", state 1282, "(1)"
-	line 253, "pan.___", state 1308, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, "pan.___", state 1321, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, "pan.___", state 1330, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, "pan.___", state 1346, "(1)"
-	line 230, "pan.___", state 1354, "(1)"
-	line 234, "pan.___", state 1366, "(1)"
-	line 238, "pan.___", state 1374, "(1)"
-	line 249, "pan.___", state 1405, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 253, "pan.___", state 1414, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, "pan.___", state 1427, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, "pan.___", state 1436, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, "pan.___", state 1452, "(1)"
-	line 230, "pan.___", state 1460, "(1)"
-	line 234, "pan.___", state 1472, "(1)"
-	line 238, "pan.___", state 1480, "(1)"
-	line 253, "pan.___", state 1506, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, "pan.___", state 1519, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, "pan.___", state 1528, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, "pan.___", state 1544, "(1)"
-	line 230, "pan.___", state 1552, "(1)"
-	line 234, "pan.___", state 1564, "(1)"
-	line 238, "pan.___", state 1572, "(1)"
-	line 249, "pan.___", state 1603, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 253, "pan.___", state 1612, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, "pan.___", state 1625, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, "pan.___", state 1634, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, "pan.___", state 1650, "(1)"
-	line 230, "pan.___", state 1658, "(1)"
-	line 234, "pan.___", state 1670, "(1)"
-	line 238, "pan.___", state 1678, "(1)"
-	line 1190, "pan.___", state 1694, "-end-"
-	(103 of 1694 states)
-unreached in proctype :init:
-	(0 of 78 states)
-unreached in proctype :never:
-	line 1249, "pan.___", state 8, "-end-"
-	(1 of 8 states)
-
-pan: elapsed time 2.62e+04 seconds
-pan: rate 2378.2573 states/second
-pan: avg transition delay 1.2917e-06 usec
-cp .input.spin urcu_free.spin.input
-cp .input.spin.trail urcu_free.spin.input.trail
-make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free.ltl b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free.ltl
deleted file mode 100644
index 6be1be9..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free.ltl
+++ /dev/null
@@ -1 +0,0 @@
-[] (!read_poison)
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free.spin.input b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free.spin.input
deleted file mode 100644
index 527f16e..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free.spin.input
+++ /dev/null
@@ -1,1226 +0,0 @@
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/* We choose to ignore writer's non-progress caused from the
-		 * reader ignoring the writer's mb() requests */
-#ifdef WRITER_PROGRESS
-progress_writer_from_reader:
-#endif
-		break;
-	od;
-}
-
-#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-#define PROGRESS_LABEL(progressid)
-#else
-#define PROGRESS_LABEL(progressid)
-#endif
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-PROGRESS_LABEL(progressid)							\
-		do								\
-		:: (reader_barrier[i] == 1) -> skip;				\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		:: 1 -> skip;
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free.spin.input.trail b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free.spin.input.trail
deleted file mode 100644
index 011045f..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free.spin.input.trail
+++ /dev/null
@@ -1,2598 +0,0 @@
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-2213:0:4863
-2214:2:3721
-2215:0:4863
-2216:2:3994
-2217:0:4863
-2218:2:4514
-2219:2:4515
-2220:2:4519
-2221:2:4523
-2222:2:4524
-2223:2:4528
-2224:2:4536
-2225:2:4537
-2226:2:4541
-2227:2:4545
-2228:2:4546
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-2230:2:4545
-2231:2:4546
-2232:2:4550
-2233:2:4557
-2234:2:4564
-2235:2:4565
-2236:2:4572
-2237:2:4577
-2238:2:4584
-2239:2:4585
-2240:2:4584
-2241:2:4585
-2242:2:4592
-2243:2:4596
-2244:0:4863
-2245:2:3996
-2246:2:4401
-2247:0:4863
-2248:1:761
-2249:1:764
-2250:1:765
-2251:0:4863
-2252:2:3721
-2253:0:4863
-2254:1:11
-2255:0:4863
-2256:2:3859
-2257:2:3860
-2258:2:3864
-2259:2:3865
-2260:2:3873
-2261:2:3874
-2262:2:3878
-2263:2:3879
-2264:2:3887
-2265:2:3892
-2266:2:3896
-2267:2:3897
-2268:2:3905
-2269:2:3906
-2270:2:3910
-2271:2:3911
-2272:2:3905
-2273:2:3906
-2274:2:3910
-2275:2:3911
-2276:2:3919
-2277:2:3924
-2278:2:3925
-2279:2:3936
-2280:2:3937
-2281:2:3938
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-2286:2:3967
-2287:2:3968
-2288:2:3966
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-2290:2:3968
-2291:2:3979
-2292:2:3988
-2293:0:4863
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-2296:2:3994
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-2300:2:4519
-2301:2:4523
-2302:2:4524
-2303:2:4528
-2304:2:4536
-2305:2:4537
-2306:2:4541
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-2311:2:4546
-2312:2:4550
-2313:2:4557
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-2315:2:4565
-2316:2:4572
-2317:2:4577
-2318:2:4584
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-2321:2:4585
-2322:2:4592
-2323:2:4596
-2324:0:4863
-2325:2:3996
-2326:2:4401
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-2328:1:1028
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-2342:1:1079
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-2366:0:4863
-2367:2:3721
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-2408:0:4863
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-2411:2:3994
-2412:0:4863
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-2415:2:4519
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-2428:2:4557
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-2432:2:4577
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-2435:2:4584
-2436:2:4585
-2437:2:4592
-2438:2:4596
-2439:0:4863
-2440:2:3996
-2441:2:4401
-2442:0:4863
-2443:1:1160
-2444:1:1161
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-2447:1:1174
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-2450:1:1188
-2451:1:1193
-2452:1:1197
-2453:1:1198
-2454:1:1206
-2455:1:1207
-2456:1:1211
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-2458:1:1206
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-2460:1:1211
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-2462:1:1220
-2463:1:1225
-2464:1:1226
-2465:1:1237
-2466:1:1238
-2467:1:1239
-2468:1:1250
-2469:1:1255
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-2471:1:1267
-2472:1:1268
-2473:1:1269
-2474:1:1267
-2475:1:1275
-2476:1:1276
-2477:1:1280
-2478:0:4863
-2479:2:3721
-2480:0:4863
-2481:1:11
-2482:0:4863
-2483:2:3859
-2484:2:3860
-2485:2:3864
-2486:2:3865
-2487:2:3873
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-2489:2:3878
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-2500:2:3906
-2501:2:3910
-2502:2:3911
-2503:2:3919
-2504:2:3924
-2505:2:3925
-2506:2:3936
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-2518:2:3979
-2519:2:3988
-2520:0:4863
-2521:2:3721
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-2523:2:3994
-2524:0:4863
-2525:2:4514
-2526:2:4515
-2527:2:4519
-2528:2:4523
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-2530:2:4528
-2531:2:4536
-2532:2:4537
-2533:2:4541
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-2539:2:4550
-2540:2:4557
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-2542:2:4565
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-2551:0:4863
-2552:2:3996
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-2554:0:4863
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-2557:1:1289
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-2564:1:1309
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-2566:1:1322
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-2590:1:1404
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-2593:0:4861
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-2596:0:4863
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_nested.define b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_nested.define
deleted file mode 100644
index 0fb59bd..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_nested.define
+++ /dev/null
@@ -1 +0,0 @@
-#define READER_NEST_LEVEL 2
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_mb.define b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_mb.define
deleted file mode 100644
index d99d793..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_mb.define
+++ /dev/null
@@ -1 +0,0 @@
-#define NO_MB
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_mb.log b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_mb.log
deleted file mode 100644
index 282f866..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_mb.log
+++ /dev/null
@@ -1,880 +0,0 @@
-make[1]: Entering directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define >> pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_free_no_mb.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1245)
-Depth=    9118 States=    1e+06 Transitions= 1.65e+08 Memory=   550.432	t=    207 R=   5e+03
-Depth=    9118 States=    2e+06 Transitions= 3.77e+08 Memory=   634.318	t=    477 R=   4e+03
-Depth=    9118 States=    3e+06 Transitions= 5.23e+08 Memory=   718.303	t=    664 R=   5e+03
-pan: resizing hashtable to -w22..  done
-pan: claim violated! (at depth 1384)
-pan: wrote .input.spin.trail
-
-(Spin Version 5.1.7 -- 23 December 2008)
-Warning: Search not completed
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness disabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 9118, errors: 1
-  3611143 states, stored
-6.1053642e+08 states, matched
-6.1414756e+08 transitions (= stored+matched)
-3.4001615e+09 atomic steps
-hash conflicts: 3.9831098e+08 (resolved)
-
-Stats on memory usage (in Megabytes):
-  399.487	equivalent memory usage for states (stored*(State-vector + overhead))
-  311.150	actual memory usage for states (compression: 77.89%)
-         	state-vector as stored = 62 byte + 28 byte overhead
-   32.000	memory used for hash table (-w22)
-  457.764	memory used for DFS stack (-m10000000)
-  800.693	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 250, "pan.___", state 36, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 58, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 67, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 83, "(1)"
-	line 231, "pan.___", state 91, "(1)"
-	line 235, "pan.___", state 103, "(1)"
-	line 239, "pan.___", state 111, "(1)"
-	line 387, "pan.___", state 136, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 168, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 182, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 201, "(1)"
-	line 413, "pan.___", state 231, "(1)"
-	line 417, "pan.___", state 244, "(1)"
-	line 672, "pan.___", state 265, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 387, "pan.___", state 272, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 304, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 318, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 337, "(1)"
-	line 413, "pan.___", state 367, "(1)"
-	line 417, "pan.___", state 380, "(1)"
-	line 387, "pan.___", state 401, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 433, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 447, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 466, "(1)"
-	line 413, "pan.___", state 496, "(1)"
-	line 417, "pan.___", state 509, "(1)"
-	line 387, "pan.___", state 532, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 534, "(1)"
-	line 387, "pan.___", state 535, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 535, "else"
-	line 387, "pan.___", state 538, "(1)"
-	line 391, "pan.___", state 546, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 548, "(1)"
-	line 391, "pan.___", state 549, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 549, "else"
-	line 391, "pan.___", state 552, "(1)"
-	line 391, "pan.___", state 553, "(1)"
-	line 391, "pan.___", state 553, "(1)"
-	line 389, "pan.___", state 558, "((i<1))"
-	line 389, "pan.___", state 558, "((i>=1))"
-	line 396, "pan.___", state 564, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 566, "(1)"
-	line 396, "pan.___", state 567, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 567, "else"
-	line 396, "pan.___", state 570, "(1)"
-	line 396, "pan.___", state 571, "(1)"
-	line 396, "pan.___", state 571, "(1)"
-	line 400, "pan.___", state 578, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 580, "(1)"
-	line 400, "pan.___", state 581, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 581, "else"
-	line 400, "pan.___", state 584, "(1)"
-	line 400, "pan.___", state 585, "(1)"
-	line 400, "pan.___", state 585, "(1)"
-	line 398, "pan.___", state 590, "((i<2))"
-	line 398, "pan.___", state 590, "((i>=2))"
-	line 404, "pan.___", state 597, "(1)"
-	line 404, "pan.___", state 598, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 598, "else"
-	line 404, "pan.___", state 601, "(1)"
-	line 404, "pan.___", state 602, "(1)"
-	line 404, "pan.___", state 602, "(1)"
-	line 408, "pan.___", state 610, "(1)"
-	line 408, "pan.___", state 611, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 611, "else"
-	line 408, "pan.___", state 614, "(1)"
-	line 408, "pan.___", state 615, "(1)"
-	line 408, "pan.___", state 615, "(1)"
-	line 406, "pan.___", state 620, "((i<1))"
-	line 406, "pan.___", state 620, "((i>=1))"
-	line 413, "pan.___", state 627, "(1)"
-	line 413, "pan.___", state 628, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 628, "else"
-	line 413, "pan.___", state 631, "(1)"
-	line 413, "pan.___", state 632, "(1)"
-	line 413, "pan.___", state 632, "(1)"
-	line 417, "pan.___", state 640, "(1)"
-	line 417, "pan.___", state 641, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 641, "else"
-	line 417, "pan.___", state 644, "(1)"
-	line 417, "pan.___", state 645, "(1)"
-	line 417, "pan.___", state 645, "(1)"
-	line 415, "pan.___", state 650, "((i<2))"
-	line 415, "pan.___", state 650, "((i>=2))"
-	line 422, "pan.___", state 654, "(1)"
-	line 422, "pan.___", state 654, "(1)"
-	line 672, "pan.___", state 657, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 672, "pan.___", state 658, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 672, "pan.___", state 659, "(1)"
-	line 387, "pan.___", state 666, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 698, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 712, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 731, "(1)"
-	line 413, "pan.___", state 761, "(1)"
-	line 417, "pan.___", state 774, "(1)"
-	line 387, "pan.___", state 802, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 804, "(1)"
-	line 387, "pan.___", state 805, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 805, "else"
-	line 387, "pan.___", state 808, "(1)"
-	line 391, "pan.___", state 816, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 818, "(1)"
-	line 391, "pan.___", state 819, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 819, "else"
-	line 391, "pan.___", state 822, "(1)"
-	line 391, "pan.___", state 823, "(1)"
-	line 391, "pan.___", state 823, "(1)"
-	line 389, "pan.___", state 828, "((i<1))"
-	line 389, "pan.___", state 828, "((i>=1))"
-	line 396, "pan.___", state 834, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 836, "(1)"
-	line 396, "pan.___", state 837, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 837, "else"
-	line 396, "pan.___", state 840, "(1)"
-	line 396, "pan.___", state 841, "(1)"
-	line 396, "pan.___", state 841, "(1)"
-	line 400, "pan.___", state 848, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 850, "(1)"
-	line 400, "pan.___", state 851, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 851, "else"
-	line 400, "pan.___", state 854, "(1)"
-	line 400, "pan.___", state 855, "(1)"
-	line 400, "pan.___", state 855, "(1)"
-	line 398, "pan.___", state 860, "((i<2))"
-	line 398, "pan.___", state 860, "((i>=2))"
-	line 404, "pan.___", state 867, "(1)"
-	line 404, "pan.___", state 868, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 868, "else"
-	line 404, "pan.___", state 871, "(1)"
-	line 404, "pan.___", state 872, "(1)"
-	line 404, "pan.___", state 872, "(1)"
-	line 408, "pan.___", state 880, "(1)"
-	line 408, "pan.___", state 881, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 881, "else"
-	line 408, "pan.___", state 884, "(1)"
-	line 408, "pan.___", state 885, "(1)"
-	line 408, "pan.___", state 885, "(1)"
-	line 406, "pan.___", state 890, "((i<1))"
-	line 406, "pan.___", state 890, "((i>=1))"
-	line 413, "pan.___", state 897, "(1)"
-	line 413, "pan.___", state 898, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 898, "else"
-	line 413, "pan.___", state 901, "(1)"
-	line 413, "pan.___", state 902, "(1)"
-	line 413, "pan.___", state 902, "(1)"
-	line 417, "pan.___", state 910, "(1)"
-	line 417, "pan.___", state 911, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 911, "else"
-	line 417, "pan.___", state 914, "(1)"
-	line 417, "pan.___", state 915, "(1)"
-	line 417, "pan.___", state 915, "(1)"
-	line 422, "pan.___", state 924, "(1)"
-	line 422, "pan.___", state 924, "(1)"
-	line 387, "pan.___", state 931, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 933, "(1)"
-	line 387, "pan.___", state 934, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 934, "else"
-	line 387, "pan.___", state 937, "(1)"
-	line 391, "pan.___", state 945, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 947, "(1)"
-	line 391, "pan.___", state 948, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 948, "else"
-	line 391, "pan.___", state 951, "(1)"
-	line 391, "pan.___", state 952, "(1)"
-	line 391, "pan.___", state 952, "(1)"
-	line 389, "pan.___", state 957, "((i<1))"
-	line 389, "pan.___", state 957, "((i>=1))"
-	line 396, "pan.___", state 963, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 965, "(1)"
-	line 396, "pan.___", state 966, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 966, "else"
-	line 396, "pan.___", state 969, "(1)"
-	line 396, "pan.___", state 970, "(1)"
-	line 396, "pan.___", state 970, "(1)"
-	line 400, "pan.___", state 977, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 979, "(1)"
-	line 400, "pan.___", state 980, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 980, "else"
-	line 400, "pan.___", state 983, "(1)"
-	line 400, "pan.___", state 984, "(1)"
-	line 400, "pan.___", state 984, "(1)"
-	line 398, "pan.___", state 989, "((i<2))"
-	line 398, "pan.___", state 989, "((i>=2))"
-	line 404, "pan.___", state 996, "(1)"
-	line 404, "pan.___", state 997, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 997, "else"
-	line 404, "pan.___", state 1000, "(1)"
-	line 404, "pan.___", state 1001, "(1)"
-	line 404, "pan.___", state 1001, "(1)"
-	line 408, "pan.___", state 1009, "(1)"
-	line 408, "pan.___", state 1010, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 1010, "else"
-	line 408, "pan.___", state 1013, "(1)"
-	line 408, "pan.___", state 1014, "(1)"
-	line 408, "pan.___", state 1014, "(1)"
-	line 406, "pan.___", state 1019, "((i<1))"
-	line 406, "pan.___", state 1019, "((i>=1))"
-	line 413, "pan.___", state 1026, "(1)"
-	line 413, "pan.___", state 1027, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 1027, "else"
-	line 413, "pan.___", state 1030, "(1)"
-	line 413, "pan.___", state 1031, "(1)"
-	line 413, "pan.___", state 1031, "(1)"
-	line 417, "pan.___", state 1039, "(1)"
-	line 417, "pan.___", state 1040, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 1040, "else"
-	line 417, "pan.___", state 1043, "(1)"
-	line 417, "pan.___", state 1044, "(1)"
-	line 417, "pan.___", state 1044, "(1)"
-	line 415, "pan.___", state 1049, "((i<2))"
-	line 415, "pan.___", state 1049, "((i>=2))"
-	line 422, "pan.___", state 1053, "(1)"
-	line 422, "pan.___", state 1053, "(1)"
-	line 680, "pan.___", state 1057, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 387, "pan.___", state 1062, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1094, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1108, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1127, "(1)"
-	line 413, "pan.___", state 1157, "(1)"
-	line 417, "pan.___", state 1170, "(1)"
-	line 387, "pan.___", state 1194, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1226, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1240, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1259, "(1)"
-	line 413, "pan.___", state 1289, "(1)"
-	line 417, "pan.___", state 1302, "(1)"
-	line 387, "pan.___", state 1327, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1359, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1373, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1392, "(1)"
-	line 413, "pan.___", state 1422, "(1)"
-	line 417, "pan.___", state 1435, "(1)"
-	line 387, "pan.___", state 1456, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1488, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1502, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1521, "(1)"
-	line 413, "pan.___", state 1551, "(1)"
-	line 417, "pan.___", state 1564, "(1)"
-	line 387, "pan.___", state 1590, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1622, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1636, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1655, "(1)"
-	line 413, "pan.___", state 1685, "(1)"
-	line 417, "pan.___", state 1698, "(1)"
-	line 387, "pan.___", state 1719, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1751, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1765, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1784, "(1)"
-	line 413, "pan.___", state 1814, "(1)"
-	line 417, "pan.___", state 1827, "(1)"
-	line 387, "pan.___", state 1851, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1883, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1897, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1916, "(1)"
-	line 413, "pan.___", state 1946, "(1)"
-	line 417, "pan.___", state 1959, "(1)"
-	line 719, "pan.___", state 1980, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 387, "pan.___", state 1987, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2019, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2033, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2052, "(1)"
-	line 413, "pan.___", state 2082, "(1)"
-	line 417, "pan.___", state 2095, "(1)"
-	line 387, "pan.___", state 2116, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2148, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2162, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2181, "(1)"
-	line 413, "pan.___", state 2211, "(1)"
-	line 417, "pan.___", state 2224, "(1)"
-	line 387, "pan.___", state 2247, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 2249, "(1)"
-	line 387, "pan.___", state 2250, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 2250, "else"
-	line 387, "pan.___", state 2253, "(1)"
-	line 391, "pan.___", state 2261, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 2263, "(1)"
-	line 391, "pan.___", state 2264, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 2264, "else"
-	line 391, "pan.___", state 2267, "(1)"
-	line 391, "pan.___", state 2268, "(1)"
-	line 391, "pan.___", state 2268, "(1)"
-	line 389, "pan.___", state 2273, "((i<1))"
-	line 389, "pan.___", state 2273, "((i>=1))"
-	line 396, "pan.___", state 2279, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2281, "(1)"
-	line 396, "pan.___", state 2282, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 2282, "else"
-	line 396, "pan.___", state 2285, "(1)"
-	line 396, "pan.___", state 2286, "(1)"
-	line 396, "pan.___", state 2286, "(1)"
-	line 400, "pan.___", state 2293, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2295, "(1)"
-	line 400, "pan.___", state 2296, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 2296, "else"
-	line 400, "pan.___", state 2299, "(1)"
-	line 400, "pan.___", state 2300, "(1)"
-	line 400, "pan.___", state 2300, "(1)"
-	line 398, "pan.___", state 2305, "((i<2))"
-	line 398, "pan.___", state 2305, "((i>=2))"
-	line 404, "pan.___", state 2312, "(1)"
-	line 404, "pan.___", state 2313, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 2313, "else"
-	line 404, "pan.___", state 2316, "(1)"
-	line 404, "pan.___", state 2317, "(1)"
-	line 404, "pan.___", state 2317, "(1)"
-	line 408, "pan.___", state 2325, "(1)"
-	line 408, "pan.___", state 2326, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 2326, "else"
-	line 408, "pan.___", state 2329, "(1)"
-	line 408, "pan.___", state 2330, "(1)"
-	line 408, "pan.___", state 2330, "(1)"
-	line 406, "pan.___", state 2335, "((i<1))"
-	line 406, "pan.___", state 2335, "((i>=1))"
-	line 413, "pan.___", state 2342, "(1)"
-	line 413, "pan.___", state 2343, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 2343, "else"
-	line 413, "pan.___", state 2346, "(1)"
-	line 413, "pan.___", state 2347, "(1)"
-	line 413, "pan.___", state 2347, "(1)"
-	line 417, "pan.___", state 2355, "(1)"
-	line 417, "pan.___", state 2356, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 2356, "else"
-	line 417, "pan.___", state 2359, "(1)"
-	line 417, "pan.___", state 2360, "(1)"
-	line 417, "pan.___", state 2360, "(1)"
-	line 415, "pan.___", state 2365, "((i<2))"
-	line 415, "pan.___", state 2365, "((i>=2))"
-	line 422, "pan.___", state 2369, "(1)"
-	line 422, "pan.___", state 2369, "(1)"
-	line 719, "pan.___", state 2372, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 719, "pan.___", state 2373, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 719, "pan.___", state 2374, "(1)"
-	line 387, "pan.___", state 2381, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2413, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2427, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2446, "(1)"
-	line 413, "pan.___", state 2476, "(1)"
-	line 417, "pan.___", state 2489, "(1)"
-	line 387, "pan.___", state 2516, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2548, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2562, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2581, "(1)"
-	line 413, "pan.___", state 2611, "(1)"
-	line 417, "pan.___", state 2624, "(1)"
-	line 387, "pan.___", state 2645, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2677, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2691, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2710, "(1)"
-	line 413, "pan.___", state 2740, "(1)"
-	line 417, "pan.___", state 2753, "(1)"
-	line 227, "pan.___", state 2786, "(1)"
-	line 235, "pan.___", state 2806, "(1)"
-	line 239, "pan.___", state 2814, "(1)"
-	line 227, "pan.___", state 2829, "(1)"
-	line 235, "pan.___", state 2849, "(1)"
-	line 239, "pan.___", state 2857, "(1)"
-	line 870, "pan.___", state 2874, "-end-"
-	(278 of 2874 states)
-unreached in proctype urcu_writer
-	line 387, "pan.___", state 20, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 26, "(1)"
-	line 391, "pan.___", state 34, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 40, "(1)"
-	line 391, "pan.___", state 41, "(1)"
-	line 391, "pan.___", state 41, "(1)"
-	line 389, "pan.___", state 46, "((i<1))"
-	line 389, "pan.___", state 46, "((i>=1))"
-	line 396, "pan.___", state 52, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 58, "(1)"
-	line 396, "pan.___", state 59, "(1)"
-	line 396, "pan.___", state 59, "(1)"
-	line 400, "pan.___", state 72, "(1)"
-	line 400, "pan.___", state 73, "(1)"
-	line 400, "pan.___", state 73, "(1)"
-	line 398, "pan.___", state 78, "((i<2))"
-	line 398, "pan.___", state 78, "((i>=2))"
-	line 404, "pan.___", state 85, "(1)"
-	line 404, "pan.___", state 86, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 86, "else"
-	line 404, "pan.___", state 89, "(1)"
-	line 404, "pan.___", state 90, "(1)"
-	line 404, "pan.___", state 90, "(1)"
-	line 408, "pan.___", state 98, "(1)"
-	line 408, "pan.___", state 99, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 99, "else"
-	line 408, "pan.___", state 102, "(1)"
-	line 408, "pan.___", state 103, "(1)"
-	line 408, "pan.___", state 103, "(1)"
-	line 406, "pan.___", state 108, "((i<1))"
-	line 406, "pan.___", state 108, "((i>=1))"
-	line 413, "pan.___", state 115, "(1)"
-	line 413, "pan.___", state 116, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 116, "else"
-	line 413, "pan.___", state 119, "(1)"
-	line 413, "pan.___", state 120, "(1)"
-	line 413, "pan.___", state 120, "(1)"
-	line 417, "pan.___", state 128, "(1)"
-	line 417, "pan.___", state 129, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 129, "else"
-	line 417, "pan.___", state 132, "(1)"
-	line 417, "pan.___", state 133, "(1)"
-	line 417, "pan.___", state 133, "(1)"
-	line 415, "pan.___", state 138, "((i<2))"
-	line 415, "pan.___", state 138, "((i>=2))"
-	line 422, "pan.___", state 142, "(1)"
-	line 422, "pan.___", state 142, "(1)"
-	line 250, "pan.___", state 151, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 160, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 252, "pan.___", state 168, "((i<1))"
-	line 252, "pan.___", state 168, "((i>=1))"
-	line 258, "pan.___", state 173, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 993, "pan.___", state 201, "old_data = cached_rcu_ptr.val[_pid]"
-	line 1004, "pan.___", state 205, "_proc_urcu_writer = (_proc_urcu_writer|(1<<4))"
-	line 387, "pan.___", state 213, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 219, "(1)"
-	line 391, "pan.___", state 227, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 233, "(1)"
-	line 391, "pan.___", state 234, "(1)"
-	line 391, "pan.___", state 234, "(1)"
-	line 389, "pan.___", state 239, "((i<1))"
-	line 389, "pan.___", state 239, "((i>=1))"
-	line 396, "pan.___", state 247, "(1)"
-	line 396, "pan.___", state 248, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 248, "else"
-	line 396, "pan.___", state 251, "(1)"
-	line 396, "pan.___", state 252, "(1)"
-	line 396, "pan.___", state 252, "(1)"
-	line 400, "pan.___", state 259, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 265, "(1)"
-	line 400, "pan.___", state 266, "(1)"
-	line 400, "pan.___", state 266, "(1)"
-	line 398, "pan.___", state 271, "((i<2))"
-	line 398, "pan.___", state 271, "((i>=2))"
-	line 404, "pan.___", state 278, "(1)"
-	line 404, "pan.___", state 279, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 279, "else"
-	line 404, "pan.___", state 282, "(1)"
-	line 404, "pan.___", state 283, "(1)"
-	line 404, "pan.___", state 283, "(1)"
-	line 408, "pan.___", state 291, "(1)"
-	line 408, "pan.___", state 292, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 292, "else"
-	line 408, "pan.___", state 295, "(1)"
-	line 408, "pan.___", state 296, "(1)"
-	line 408, "pan.___", state 296, "(1)"
-	line 406, "pan.___", state 301, "((i<1))"
-	line 406, "pan.___", state 301, "((i>=1))"
-	line 413, "pan.___", state 308, "(1)"
-	line 413, "pan.___", state 309, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 309, "else"
-	line 413, "pan.___", state 312, "(1)"
-	line 413, "pan.___", state 313, "(1)"
-	line 413, "pan.___", state 313, "(1)"
-	line 417, "pan.___", state 321, "(1)"
-	line 417, "pan.___", state 322, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 322, "else"
-	line 417, "pan.___", state 325, "(1)"
-	line 417, "pan.___", state 326, "(1)"
-	line 417, "pan.___", state 326, "(1)"
-	line 415, "pan.___", state 331, "((i<2))"
-	line 415, "pan.___", state 331, "((i>=2))"
-	line 422, "pan.___", state 335, "(1)"
-	line 422, "pan.___", state 335, "(1)"
-	line 387, "pan.___", state 346, "(1)"
-	line 387, "pan.___", state 347, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 347, "else"
-	line 387, "pan.___", state 350, "(1)"
-	line 391, "pan.___", state 358, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 364, "(1)"
-	line 391, "pan.___", state 365, "(1)"
-	line 391, "pan.___", state 365, "(1)"
-	line 389, "pan.___", state 370, "((i<1))"
-	line 389, "pan.___", state 370, "((i>=1))"
-	line 396, "pan.___", state 376, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 382, "(1)"
-	line 396, "pan.___", state 383, "(1)"
-	line 396, "pan.___", state 383, "(1)"
-	line 400, "pan.___", state 390, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 396, "(1)"
-	line 400, "pan.___", state 397, "(1)"
-	line 400, "pan.___", state 397, "(1)"
-	line 398, "pan.___", state 402, "((i<2))"
-	line 398, "pan.___", state 402, "((i>=2))"
-	line 404, "pan.___", state 409, "(1)"
-	line 404, "pan.___", state 410, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 410, "else"
-	line 404, "pan.___", state 413, "(1)"
-	line 404, "pan.___", state 414, "(1)"
-	line 404, "pan.___", state 414, "(1)"
-	line 408, "pan.___", state 422, "(1)"
-	line 408, "pan.___", state 423, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 423, "else"
-	line 408, "pan.___", state 426, "(1)"
-	line 408, "pan.___", state 427, "(1)"
-	line 408, "pan.___", state 427, "(1)"
-	line 406, "pan.___", state 432, "((i<1))"
-	line 406, "pan.___", state 432, "((i>=1))"
-	line 413, "pan.___", state 439, "(1)"
-	line 413, "pan.___", state 440, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 440, "else"
-	line 413, "pan.___", state 443, "(1)"
-	line 413, "pan.___", state 444, "(1)"
-	line 413, "pan.___", state 444, "(1)"
-	line 417, "pan.___", state 452, "(1)"
-	line 417, "pan.___", state 453, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 453, "else"
-	line 417, "pan.___", state 456, "(1)"
-	line 417, "pan.___", state 457, "(1)"
-	line 417, "pan.___", state 457, "(1)"
-	line 415, "pan.___", state 462, "((i<2))"
-	line 415, "pan.___", state 462, "((i>=2))"
-	line 422, "pan.___", state 466, "(1)"
-	line 422, "pan.___", state 466, "(1)"
-	line 1056, "pan.___", state 477, "_proc_urcu_writer = (_proc_urcu_writer&~(((1<<8)|(1<<7))))"
-	line 387, "pan.___", state 482, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 488, "(1)"
-	line 391, "pan.___", state 496, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 502, "(1)"
-	line 391, "pan.___", state 503, "(1)"
-	line 391, "pan.___", state 503, "(1)"
-	line 389, "pan.___", state 508, "((i<1))"
-	line 389, "pan.___", state 508, "((i>=1))"
-	line 396, "pan.___", state 514, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 520, "(1)"
-	line 396, "pan.___", state 521, "(1)"
-	line 396, "pan.___", state 521, "(1)"
-	line 400, "pan.___", state 528, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 534, "(1)"
-	line 400, "pan.___", state 535, "(1)"
-	line 400, "pan.___", state 535, "(1)"
-	line 398, "pan.___", state 540, "((i<2))"
-	line 398, "pan.___", state 540, "((i>=2))"
-	line 404, "pan.___", state 547, "(1)"
-	line 404, "pan.___", state 548, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 548, "else"
-	line 404, "pan.___", state 551, "(1)"
-	line 404, "pan.___", state 552, "(1)"
-	line 404, "pan.___", state 552, "(1)"
-	line 408, "pan.___", state 560, "(1)"
-	line 408, "pan.___", state 561, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 561, "else"
-	line 408, "pan.___", state 564, "(1)"
-	line 408, "pan.___", state 565, "(1)"
-	line 408, "pan.___", state 565, "(1)"
-	line 406, "pan.___", state 570, "((i<1))"
-	line 406, "pan.___", state 570, "((i>=1))"
-	line 413, "pan.___", state 577, "(1)"
-	line 413, "pan.___", state 578, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 578, "else"
-	line 413, "pan.___", state 581, "(1)"
-	line 413, "pan.___", state 582, "(1)"
-	line 413, "pan.___", state 582, "(1)"
-	line 417, "pan.___", state 590, "(1)"
-	line 417, "pan.___", state 591, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 591, "else"
-	line 417, "pan.___", state 594, "(1)"
-	line 417, "pan.___", state 595, "(1)"
-	line 417, "pan.___", state 595, "(1)"
-	line 422, "pan.___", state 604, "(1)"
-	line 422, "pan.___", state 604, "(1)"
-	line 387, "pan.___", state 611, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 625, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 643, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 676, "(1)"
-	line 408, "pan.___", state 689, "(1)"
-	line 413, "pan.___", state 706, "(1)"
-	line 417, "pan.___", state 719, "(1)"
-	line 391, "pan.___", state 756, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 774, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 788, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 820, "(1)"
-	line 413, "pan.___", state 837, "(1)"
-	line 417, "pan.___", state 850, "(1)"
-	line 1128, "pan.___", state 877, "_proc_urcu_writer = (_proc_urcu_writer|(1<<13))"
-	line 250, "pan.___", state 905, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 907, "(1)"
-	line 254, "pan.___", state 914, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 916, "(1)"
-	line 254, "pan.___", state 917, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 917, "else"
-	line 252, "pan.___", state 922, "((i<1))"
-	line 252, "pan.___", state 922, "((i>=1))"
-	line 258, "pan.___", state 927, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 929, "(1)"
-	line 258, "pan.___", state 930, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 930, "else"
-	line 262, "pan.___", state 936, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 938, "(1)"
-	line 262, "pan.___", state 939, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 939, "else"
-	line 260, "pan.___", state 944, "((i<2))"
-	line 260, "pan.___", state 944, "((i>=2))"
-	line 227, "pan.___", state 952, "(1)"
-	line 231, "pan.___", state 960, "(1)"
-	line 231, "pan.___", state 961, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 961, "else"
-	line 229, "pan.___", state 966, "((i<1))"
-	line 229, "pan.___", state 966, "((i>=1))"
-	line 235, "pan.___", state 972, "(1)"
-	line 235, "pan.___", state 973, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 973, "else"
-	line 239, "pan.___", state 980, "(1)"
-	line 239, "pan.___", state 981, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 981, "else"
-	line 244, "pan.___", state 990, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 990, "else"
-	line 1176, "pan.___", state 1006, "((i<1))"
-	line 1176, "pan.___", state 1006, "((i>=1))"
-	line 250, "pan.___", state 1011, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 1013, "(1)"
-	line 254, "pan.___", state 1020, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1022, "(1)"
-	line 254, "pan.___", state 1023, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 1023, "else"
-	line 252, "pan.___", state 1028, "((i<1))"
-	line 252, "pan.___", state 1028, "((i>=1))"
-	line 258, "pan.___", state 1033, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1035, "(1)"
-	line 258, "pan.___", state 1036, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 1036, "else"
-	line 262, "pan.___", state 1042, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1044, "(1)"
-	line 262, "pan.___", state 1045, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 1045, "else"
-	line 260, "pan.___", state 1050, "((i<2))"
-	line 260, "pan.___", state 1050, "((i>=2))"
-	line 227, "pan.___", state 1058, "(1)"
-	line 231, "pan.___", state 1066, "(1)"
-	line 231, "pan.___", state 1067, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1067, "else"
-	line 229, "pan.___", state 1072, "((i<1))"
-	line 229, "pan.___", state 1072, "((i>=1))"
-	line 235, "pan.___", state 1078, "(1)"
-	line 235, "pan.___", state 1079, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1079, "else"
-	line 239, "pan.___", state 1086, "(1)"
-	line 239, "pan.___", state 1087, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1087, "else"
-	line 244, "pan.___", state 1096, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1096, "else"
-	line 277, "pan.___", state 1098, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 277, "pan.___", state 1098, "else"
-	line 1176, "pan.___", state 1099, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 1176, "pan.___", state 1099, "else"
-	line 250, "pan.___", state 1103, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 1105, "(1)"
-	line 254, "pan.___", state 1112, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1114, "(1)"
-	line 254, "pan.___", state 1115, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 1115, "else"
-	line 252, "pan.___", state 1120, "((i<1))"
-	line 252, "pan.___", state 1120, "((i>=1))"
-	line 258, "pan.___", state 1125, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1127, "(1)"
-	line 258, "pan.___", state 1128, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 1128, "else"
-	line 262, "pan.___", state 1134, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1136, "(1)"
-	line 262, "pan.___", state 1137, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 1137, "else"
-	line 260, "pan.___", state 1142, "((i<2))"
-	line 260, "pan.___", state 1142, "((i>=2))"
-	line 227, "pan.___", state 1150, "(1)"
-	line 231, "pan.___", state 1158, "(1)"
-	line 231, "pan.___", state 1159, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1159, "else"
-	line 229, "pan.___", state 1164, "((i<1))"
-	line 229, "pan.___", state 1164, "((i>=1))"
-	line 235, "pan.___", state 1170, "(1)"
-	line 235, "pan.___", state 1171, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1171, "else"
-	line 239, "pan.___", state 1178, "(1)"
-	line 239, "pan.___", state 1179, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1179, "else"
-	line 244, "pan.___", state 1188, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1188, "else"
-	line 1180, "pan.___", state 1191, "i = 0"
-	line 1180, "pan.___", state 1193, "reader_barrier = 1"
-	line 1180, "pan.___", state 1204, "((i<1))"
-	line 1180, "pan.___", state 1204, "((i>=1))"
-	line 250, "pan.___", state 1209, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 1211, "(1)"
-	line 254, "pan.___", state 1218, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1220, "(1)"
-	line 254, "pan.___", state 1221, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 1221, "else"
-	line 252, "pan.___", state 1226, "((i<1))"
-	line 252, "pan.___", state 1226, "((i>=1))"
-	line 258, "pan.___", state 1231, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1233, "(1)"
-	line 258, "pan.___", state 1234, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 1234, "else"
-	line 262, "pan.___", state 1240, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1242, "(1)"
-	line 262, "pan.___", state 1243, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 1243, "else"
-	line 260, "pan.___", state 1248, "((i<2))"
-	line 260, "pan.___", state 1248, "((i>=2))"
-	line 227, "pan.___", state 1256, "(1)"
-	line 231, "pan.___", state 1264, "(1)"
-	line 231, "pan.___", state 1265, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1265, "else"
-	line 229, "pan.___", state 1270, "((i<1))"
-	line 229, "pan.___", state 1270, "((i>=1))"
-	line 235, "pan.___", state 1276, "(1)"
-	line 235, "pan.___", state 1277, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1277, "else"
-	line 239, "pan.___", state 1284, "(1)"
-	line 239, "pan.___", state 1285, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1285, "else"
-	line 244, "pan.___", state 1294, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1294, "else"
-	line 277, "pan.___", state 1296, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 277, "pan.___", state 1296, "else"
-	line 1180, "pan.___", state 1297, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 1180, "pan.___", state 1297, "else"
-	line 254, "pan.___", state 1310, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1323, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1332, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1348, "(1)"
-	line 231, "pan.___", state 1356, "(1)"
-	line 235, "pan.___", state 1368, "(1)"
-	line 239, "pan.___", state 1376, "(1)"
-	line 250, "pan.___", state 1407, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1416, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1429, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1438, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1454, "(1)"
-	line 231, "pan.___", state 1462, "(1)"
-	line 235, "pan.___", state 1474, "(1)"
-	line 239, "pan.___", state 1482, "(1)"
-	line 250, "pan.___", state 1499, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 1501, "(1)"
-	line 254, "pan.___", state 1508, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1510, "(1)"
-	line 254, "pan.___", state 1511, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 1511, "else"
-	line 252, "pan.___", state 1516, "((i<1))"
-	line 252, "pan.___", state 1516, "((i>=1))"
-	line 258, "pan.___", state 1521, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1523, "(1)"
-	line 258, "pan.___", state 1524, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 1524, "else"
-	line 262, "pan.___", state 1530, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1532, "(1)"
-	line 262, "pan.___", state 1533, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 1533, "else"
-	line 260, "pan.___", state 1538, "((i<2))"
-	line 260, "pan.___", state 1538, "((i>=2))"
-	line 227, "pan.___", state 1546, "(1)"
-	line 231, "pan.___", state 1554, "(1)"
-	line 231, "pan.___", state 1555, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1555, "else"
-	line 229, "pan.___", state 1560, "((i<1))"
-	line 229, "pan.___", state 1560, "((i>=1))"
-	line 235, "pan.___", state 1566, "(1)"
-	line 235, "pan.___", state 1567, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1567, "else"
-	line 239, "pan.___", state 1574, "(1)"
-	line 239, "pan.___", state 1575, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1575, "else"
-	line 244, "pan.___", state 1584, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1584, "else"
-	line 1187, "pan.___", state 1587, "i = 0"
-	line 1187, "pan.___", state 1589, "reader_barrier = 1"
-	line 1187, "pan.___", state 1600, "((i<1))"
-	line 1187, "pan.___", state 1600, "((i>=1))"
-	line 250, "pan.___", state 1605, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 1607, "(1)"
-	line 254, "pan.___", state 1614, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1616, "(1)"
-	line 254, "pan.___", state 1617, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 1617, "else"
-	line 252, "pan.___", state 1622, "((i<1))"
-	line 252, "pan.___", state 1622, "((i>=1))"
-	line 258, "pan.___", state 1627, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1629, "(1)"
-	line 258, "pan.___", state 1630, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 1630, "else"
-	line 262, "pan.___", state 1636, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1638, "(1)"
-	line 262, "pan.___", state 1639, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 1639, "else"
-	line 260, "pan.___", state 1644, "((i<2))"
-	line 260, "pan.___", state 1644, "((i>=2))"
-	line 227, "pan.___", state 1652, "(1)"
-	line 231, "pan.___", state 1660, "(1)"
-	line 231, "pan.___", state 1661, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1661, "else"
-	line 229, "pan.___", state 1666, "((i<1))"
-	line 229, "pan.___", state 1666, "((i>=1))"
-	line 235, "pan.___", state 1672, "(1)"
-	line 235, "pan.___", state 1673, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1673, "else"
-	line 239, "pan.___", state 1680, "(1)"
-	line 239, "pan.___", state 1681, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1681, "else"
-	line 244, "pan.___", state 1690, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1690, "else"
-	line 277, "pan.___", state 1692, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 277, "pan.___", state 1692, "else"
-	line 1187, "pan.___", state 1693, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 1187, "pan.___", state 1693, "else"
-	line 1191, "pan.___", state 1696, "-end-"
-	(310 of 1696 states)
-unreached in proctype :init:
-	line 1202, "pan.___", state 9, "((j<2))"
-	line 1202, "pan.___", state 9, "((j>=2))"
-	line 1203, "pan.___", state 20, "((j<2))"
-	line 1203, "pan.___", state 20, "((j>=2))"
-	line 1208, "pan.___", state 33, "((j<2))"
-	line 1208, "pan.___", state 33, "((j>=2))"
-	line 1206, "pan.___", state 43, "((i<1))"
-	line 1206, "pan.___", state 43, "((i>=1))"
-	line 1216, "pan.___", state 54, "((j<2))"
-	line 1216, "pan.___", state 54, "((j>=2))"
-	line 1220, "pan.___", state 67, "((j<2))"
-	line 1220, "pan.___", state 67, "((j>=2))"
-	(6 of 78 states)
-unreached in proctype :never:
-	line 1250, "pan.___", state 8, "-end-"
-	(1 of 8 states)
-
-pan: elapsed time 781 seconds
-pan: rate 4622.6181 states/second
-pan: avg transition delay 1.272e-06 usec
-cp .input.spin urcu_free_no_mb.spin.input
-cp .input.spin.trail urcu_free_no_mb.spin.input.trail
-make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_mb.spin.input b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_mb.spin.input
deleted file mode 100644
index e95f5b1..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_mb.spin.input
+++ /dev/null
@@ -1,1227 +0,0 @@
-#define NO_MB
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/* We choose to ignore writer's non-progress caused from the
-		 * reader ignoring the writer's mb() requests */
-#ifdef WRITER_PROGRESS
-progress_writer_from_reader:
-#endif
-		break;
-	od;
-}
-
-#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-#define PROGRESS_LABEL(progressid)
-#else
-#define PROGRESS_LABEL(progressid)
-#endif
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-PROGRESS_LABEL(progressid)							\
-		do								\
-		:: (reader_barrier[i] == 1) -> skip;				\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		:: 1 -> skip;
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_mb.spin.input.trail b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_mb.spin.input.trail
deleted file mode 100644
index 4be75cd..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_mb.spin.input.trail
+++ /dev/null
@@ -1,1387 +0,0 @@
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-1267:1:1135
-1268:1:1136
-1269:1:1147
-1270:1:1159
-1271:1:1160
-1272:1:1164
-1273:1:1165
-1274:1:1166
-1275:1:1164
-1276:1:1165
-1277:1:1166
-1278:1:1177
-1279:1:1184
-1280:1:1188
-1281:0:4650
-1282:2:3770
-1283:0:4650
-1284:1:19
-1285:0:4650
-1286:2:3771
-1287:0:4650
-1288:1:20
-1289:0:4650
-1290:2:3770
-1291:0:4650
-1292:1:21
-1293:0:4650
-1294:2:3771
-1295:0:4650
-1296:1:124
-1297:0:4650
-1298:2:3770
-1299:0:4650
-1300:1:23
-1301:0:4650
-1302:2:3771
-1303:0:4650
-1304:1:1189
-1305:1:1190
-1306:1:1194
-1307:1:1195
-1308:1:1203
-1309:1:1204
-1310:1:1205
-1311:1:1217
-1312:1:1222
-1313:1:1226
-1314:1:1227
-1315:1:1235
-1316:1:1236
-1317:1:1240
-1318:1:1241
-1319:1:1235
-1320:1:1236
-1321:1:1240
-1322:1:1241
-1323:1:1249
-1324:1:1254
-1325:1:1255
-1326:1:1266
-1327:1:1267
-1328:1:1268
-1329:1:1279
-1330:1:1291
-1331:1:1292
-1332:1:1296
-1333:1:1297
-1334:1:1298
-1335:1:1296
-1336:1:1297
-1337:1:1298
-1338:1:1309
-1339:0:4650
-1340:2:3770
-1341:0:4650
-1342:1:19
-1343:0:4650
-1344:2:3771
-1345:0:4650
-1346:1:20
-1347:0:4650
-1348:2:3770
-1349:0:4650
-1350:1:21
-1351:0:4650
-1352:2:3771
-1353:0:4650
-1354:1:124
-1355:0:4650
-1356:2:3770
-1357:0:4650
-1358:1:23
-1359:0:4650
-1360:2:3771
-1361:0:4650
-1362:1:1318
-1363:0:4650
-1364:2:3770
-1365:0:4650
-1366:1:2782
-1367:1:2789
-1368:1:2790
-1369:1:2797
-1370:1:2802
-1371:1:2809
-1372:1:2810
-1373:1:2809
-1374:1:2810
-1375:1:2817
-1376:1:2821
-1377:0:4650
-1378:2:3771
-1379:0:4650
-1380:1:1320
-1381:1:1321
-1382:0:4648
-1383:2:3770
-1384:0:4654
-1385:1:1438
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_rmb.define b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_rmb.define
deleted file mode 100644
index 73e61a4..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_rmb.define
+++ /dev/null
@@ -1 +0,0 @@
-#define NO_RMB
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_rmb.log b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_rmb.log
deleted file mode 100644
index 43a1b71..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_rmb.log
+++ /dev/null
@@ -1,592 +0,0 @@
-make[1]: Entering directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define >> pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_free_no_rmb.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1245)
-Depth=    8403 States=    1e+06 Transitions= 2.27e+08 Memory=   550.432	t=    277 R=   4e+03
-Depth=   10017 States=    2e+06 Transitions= 4.61e+08 Memory=   634.318	t=    573 R=   3e+03
-Depth=   10017 States=    3e+06 Transitions=  7.1e+08 Memory=   718.303	t=    888 R=   3e+03
-pan: resizing hashtable to -w22..  done
-Depth=   10017 States=    4e+06 Transitions=  9.4e+08 Memory=   833.311	t= 1.17e+03 R=   3e+03
-Depth=   10017 States=    5e+06 Transitions=  1.2e+09 Memory=   917.295	t= 1.49e+03 R=   3e+03
-Depth=   10017 States=    6e+06 Transitions= 1.73e+09 Memory=  1001.279	t= 2.17e+03 R=   3e+03
-Depth=   10017 States=    7e+06 Transitions= 2.17e+09 Memory=  1085.264	t= 2.72e+03 R=   3e+03
-Depth=   10017 States=    8e+06 Transitions= 2.56e+09 Memory=  1169.151	t= 3.23e+03 R=   2e+03
-Depth=   10017 States=    9e+06 Transitions= 2.96e+09 Memory=  1253.135	t= 3.74e+03 R=   2e+03
-pan: resizing hashtable to -w24..  done
-pan: claim violated! (at depth 1606)
-pan: wrote .input.spin.trail
-
-(Spin Version 5.1.7 -- 23 December 2008)
-Warning: Search not completed
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness disabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 10017, errors: 1
-  9005656 states, stored
-2.9547657e+09 states, matched
-2.9637714e+09 transitions (= stored+matched)
-1.6918577e+10 atomic steps
-hash conflicts: 2.3126803e+09 (resolved)
-
-Stats on memory usage (in Megabytes):
-  996.262	equivalent memory usage for states (stored*(State-vector + overhead))
-  795.835	actual memory usage for states (compression: 79.88%)
-         	state-vector as stored = 65 byte + 28 byte overhead
-  128.000	memory used for hash table (-w24)
-  457.764	memory used for DFS stack (-m10000000)
- 1381.135	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 250, "pan.___", state 32, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 54, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 63, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 79, "(1)"
-	line 231, "pan.___", state 87, "(1)"
-	line 235, "pan.___", state 99, "(1)"
-	line 239, "pan.___", state 107, "(1)"
-	line 387, "pan.___", state 132, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 164, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 178, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 197, "(1)"
-	line 413, "pan.___", state 227, "(1)"
-	line 417, "pan.___", state 240, "(1)"
-	line 663, "pan.___", state 261, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 387, "pan.___", state 268, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 300, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 314, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 333, "(1)"
-	line 413, "pan.___", state 363, "(1)"
-	line 417, "pan.___", state 376, "(1)"
-	line 387, "pan.___", state 397, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 429, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 443, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 462, "(1)"
-	line 413, "pan.___", state 492, "(1)"
-	line 417, "pan.___", state 505, "(1)"
-	line 387, "pan.___", state 528, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 530, "(1)"
-	line 387, "pan.___", state 531, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 531, "else"
-	line 387, "pan.___", state 534, "(1)"
-	line 391, "pan.___", state 542, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 544, "(1)"
-	line 391, "pan.___", state 545, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 545, "else"
-	line 391, "pan.___", state 548, "(1)"
-	line 391, "pan.___", state 549, "(1)"
-	line 391, "pan.___", state 549, "(1)"
-	line 389, "pan.___", state 554, "((i<1))"
-	line 389, "pan.___", state 554, "((i>=1))"
-	line 396, "pan.___", state 560, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 562, "(1)"
-	line 396, "pan.___", state 563, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 563, "else"
-	line 396, "pan.___", state 566, "(1)"
-	line 396, "pan.___", state 567, "(1)"
-	line 396, "pan.___", state 567, "(1)"
-	line 400, "pan.___", state 574, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 576, "(1)"
-	line 400, "pan.___", state 577, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 577, "else"
-	line 400, "pan.___", state 580, "(1)"
-	line 400, "pan.___", state 581, "(1)"
-	line 400, "pan.___", state 581, "(1)"
-	line 398, "pan.___", state 586, "((i<2))"
-	line 398, "pan.___", state 586, "((i>=2))"
-	line 404, "pan.___", state 593, "(1)"
-	line 404, "pan.___", state 594, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 594, "else"
-	line 404, "pan.___", state 597, "(1)"
-	line 404, "pan.___", state 598, "(1)"
-	line 404, "pan.___", state 598, "(1)"
-	line 408, "pan.___", state 606, "(1)"
-	line 408, "pan.___", state 607, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 607, "else"
-	line 408, "pan.___", state 610, "(1)"
-	line 408, "pan.___", state 611, "(1)"
-	line 408, "pan.___", state 611, "(1)"
-	line 406, "pan.___", state 616, "((i<1))"
-	line 406, "pan.___", state 616, "((i>=1))"
-	line 413, "pan.___", state 623, "(1)"
-	line 413, "pan.___", state 624, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 624, "else"
-	line 413, "pan.___", state 627, "(1)"
-	line 413, "pan.___", state 628, "(1)"
-	line 413, "pan.___", state 628, "(1)"
-	line 417, "pan.___", state 636, "(1)"
-	line 417, "pan.___", state 637, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 637, "else"
-	line 417, "pan.___", state 640, "(1)"
-	line 417, "pan.___", state 641, "(1)"
-	line 417, "pan.___", state 641, "(1)"
-	line 415, "pan.___", state 646, "((i<2))"
-	line 415, "pan.___", state 646, "((i>=2))"
-	line 422, "pan.___", state 650, "(1)"
-	line 422, "pan.___", state 650, "(1)"
-	line 663, "pan.___", state 653, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 663, "pan.___", state 654, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 663, "pan.___", state 655, "(1)"
-	line 387, "pan.___", state 662, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 694, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 708, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 727, "(1)"
-	line 413, "pan.___", state 757, "(1)"
-	line 417, "pan.___", state 770, "(1)"
-	line 387, "pan.___", state 798, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 800, "(1)"
-	line 387, "pan.___", state 801, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 801, "else"
-	line 387, "pan.___", state 804, "(1)"
-	line 391, "pan.___", state 812, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 814, "(1)"
-	line 391, "pan.___", state 815, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 815, "else"
-	line 391, "pan.___", state 818, "(1)"
-	line 391, "pan.___", state 819, "(1)"
-	line 391, "pan.___", state 819, "(1)"
-	line 389, "pan.___", state 824, "((i<1))"
-	line 389, "pan.___", state 824, "((i>=1))"
-	line 396, "pan.___", state 830, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 832, "(1)"
-	line 396, "pan.___", state 833, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 833, "else"
-	line 396, "pan.___", state 836, "(1)"
-	line 396, "pan.___", state 837, "(1)"
-	line 396, "pan.___", state 837, "(1)"
-	line 400, "pan.___", state 844, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 846, "(1)"
-	line 400, "pan.___", state 847, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 847, "else"
-	line 400, "pan.___", state 850, "(1)"
-	line 400, "pan.___", state 851, "(1)"
-	line 400, "pan.___", state 851, "(1)"
-	line 398, "pan.___", state 856, "((i<2))"
-	line 398, "pan.___", state 856, "((i>=2))"
-	line 404, "pan.___", state 863, "(1)"
-	line 404, "pan.___", state 864, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 864, "else"
-	line 404, "pan.___", state 867, "(1)"
-	line 404, "pan.___", state 868, "(1)"
-	line 404, "pan.___", state 868, "(1)"
-	line 408, "pan.___", state 876, "(1)"
-	line 408, "pan.___", state 877, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 877, "else"
-	line 408, "pan.___", state 880, "(1)"
-	line 408, "pan.___", state 881, "(1)"
-	line 408, "pan.___", state 881, "(1)"
-	line 406, "pan.___", state 886, "((i<1))"
-	line 406, "pan.___", state 886, "((i>=1))"
-	line 413, "pan.___", state 893, "(1)"
-	line 413, "pan.___", state 894, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 894, "else"
-	line 413, "pan.___", state 897, "(1)"
-	line 413, "pan.___", state 898, "(1)"
-	line 413, "pan.___", state 898, "(1)"
-	line 417, "pan.___", state 906, "(1)"
-	line 417, "pan.___", state 907, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 907, "else"
-	line 417, "pan.___", state 910, "(1)"
-	line 417, "pan.___", state 911, "(1)"
-	line 417, "pan.___", state 911, "(1)"
-	line 422, "pan.___", state 920, "(1)"
-	line 422, "pan.___", state 920, "(1)"
-	line 387, "pan.___", state 927, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 929, "(1)"
-	line 387, "pan.___", state 930, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 930, "else"
-	line 387, "pan.___", state 933, "(1)"
-	line 391, "pan.___", state 941, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 943, "(1)"
-	line 391, "pan.___", state 944, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 944, "else"
-	line 391, "pan.___", state 947, "(1)"
-	line 391, "pan.___", state 948, "(1)"
-	line 391, "pan.___", state 948, "(1)"
-	line 389, "pan.___", state 953, "((i<1))"
-	line 389, "pan.___", state 953, "((i>=1))"
-	line 396, "pan.___", state 959, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 961, "(1)"
-	line 396, "pan.___", state 962, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 962, "else"
-	line 396, "pan.___", state 965, "(1)"
-	line 396, "pan.___", state 966, "(1)"
-	line 396, "pan.___", state 966, "(1)"
-	line 400, "pan.___", state 973, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 975, "(1)"
-	line 400, "pan.___", state 976, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 976, "else"
-	line 400, "pan.___", state 979, "(1)"
-	line 400, "pan.___", state 980, "(1)"
-	line 400, "pan.___", state 980, "(1)"
-	line 398, "pan.___", state 985, "((i<2))"
-	line 398, "pan.___", state 985, "((i>=2))"
-	line 404, "pan.___", state 992, "(1)"
-	line 404, "pan.___", state 993, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 993, "else"
-	line 404, "pan.___", state 996, "(1)"
-	line 404, "pan.___", state 997, "(1)"
-	line 404, "pan.___", state 997, "(1)"
-	line 408, "pan.___", state 1005, "(1)"
-	line 408, "pan.___", state 1006, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 1006, "else"
-	line 408, "pan.___", state 1009, "(1)"
-	line 408, "pan.___", state 1010, "(1)"
-	line 408, "pan.___", state 1010, "(1)"
-	line 406, "pan.___", state 1015, "((i<1))"
-	line 406, "pan.___", state 1015, "((i>=1))"
-	line 413, "pan.___", state 1022, "(1)"
-	line 413, "pan.___", state 1023, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 1023, "else"
-	line 413, "pan.___", state 1026, "(1)"
-	line 413, "pan.___", state 1027, "(1)"
-	line 413, "pan.___", state 1027, "(1)"
-	line 417, "pan.___", state 1035, "(1)"
-	line 417, "pan.___", state 1036, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 1036, "else"
-	line 417, "pan.___", state 1039, "(1)"
-	line 417, "pan.___", state 1040, "(1)"
-	line 417, "pan.___", state 1040, "(1)"
-	line 415, "pan.___", state 1045, "((i<2))"
-	line 415, "pan.___", state 1045, "((i>=2))"
-	line 422, "pan.___", state 1049, "(1)"
-	line 422, "pan.___", state 1049, "(1)"
-	line 671, "pan.___", state 1053, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 387, "pan.___", state 1058, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1090, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1104, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1123, "(1)"
-	line 413, "pan.___", state 1153, "(1)"
-	line 417, "pan.___", state 1166, "(1)"
-	line 387, "pan.___", state 1190, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1222, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1236, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1255, "(1)"
-	line 413, "pan.___", state 1285, "(1)"
-	line 417, "pan.___", state 1298, "(1)"
-	line 387, "pan.___", state 1323, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1355, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1369, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1388, "(1)"
-	line 413, "pan.___", state 1418, "(1)"
-	line 417, "pan.___", state 1431, "(1)"
-	line 387, "pan.___", state 1452, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1484, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1498, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1517, "(1)"
-	line 413, "pan.___", state 1547, "(1)"
-	line 417, "pan.___", state 1560, "(1)"
-	line 387, "pan.___", state 1586, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1618, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1632, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1651, "(1)"
-	line 413, "pan.___", state 1681, "(1)"
-	line 417, "pan.___", state 1694, "(1)"
-	line 387, "pan.___", state 1715, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1747, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1761, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1780, "(1)"
-	line 413, "pan.___", state 1810, "(1)"
-	line 417, "pan.___", state 1823, "(1)"
-	line 387, "pan.___", state 1847, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1879, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1893, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1912, "(1)"
-	line 413, "pan.___", state 1942, "(1)"
-	line 417, "pan.___", state 1955, "(1)"
-	line 710, "pan.___", state 1976, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 387, "pan.___", state 1983, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2015, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2029, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2048, "(1)"
-	line 413, "pan.___", state 2078, "(1)"
-	line 417, "pan.___", state 2091, "(1)"
-	line 387, "pan.___", state 2112, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2144, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2158, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2177, "(1)"
-	line 413, "pan.___", state 2207, "(1)"
-	line 417, "pan.___", state 2220, "(1)"
-	line 387, "pan.___", state 2243, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 2245, "(1)"
-	line 387, "pan.___", state 2246, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 2246, "else"
-	line 387, "pan.___", state 2249, "(1)"
-	line 391, "pan.___", state 2257, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 2259, "(1)"
-	line 391, "pan.___", state 2260, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 2260, "else"
-	line 391, "pan.___", state 2263, "(1)"
-	line 391, "pan.___", state 2264, "(1)"
-	line 391, "pan.___", state 2264, "(1)"
-	line 389, "pan.___", state 2269, "((i<1))"
-	line 389, "pan.___", state 2269, "((i>=1))"
-	line 396, "pan.___", state 2275, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2277, "(1)"
-	line 396, "pan.___", state 2278, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 2278, "else"
-	line 396, "pan.___", state 2281, "(1)"
-	line 396, "pan.___", state 2282, "(1)"
-	line 396, "pan.___", state 2282, "(1)"
-	line 400, "pan.___", state 2289, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2291, "(1)"
-	line 400, "pan.___", state 2292, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 2292, "else"
-	line 400, "pan.___", state 2295, "(1)"
-	line 400, "pan.___", state 2296, "(1)"
-	line 400, "pan.___", state 2296, "(1)"
-	line 398, "pan.___", state 2301, "((i<2))"
-	line 398, "pan.___", state 2301, "((i>=2))"
-	line 404, "pan.___", state 2308, "(1)"
-	line 404, "pan.___", state 2309, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 2309, "else"
-	line 404, "pan.___", state 2312, "(1)"
-	line 404, "pan.___", state 2313, "(1)"
-	line 404, "pan.___", state 2313, "(1)"
-	line 408, "pan.___", state 2321, "(1)"
-	line 408, "pan.___", state 2322, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 2322, "else"
-	line 408, "pan.___", state 2325, "(1)"
-	line 408, "pan.___", state 2326, "(1)"
-	line 408, "pan.___", state 2326, "(1)"
-	line 406, "pan.___", state 2331, "((i<1))"
-	line 406, "pan.___", state 2331, "((i>=1))"
-	line 413, "pan.___", state 2338, "(1)"
-	line 413, "pan.___", state 2339, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 2339, "else"
-	line 413, "pan.___", state 2342, "(1)"
-	line 413, "pan.___", state 2343, "(1)"
-	line 413, "pan.___", state 2343, "(1)"
-	line 417, "pan.___", state 2351, "(1)"
-	line 417, "pan.___", state 2352, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 2352, "else"
-	line 417, "pan.___", state 2355, "(1)"
-	line 417, "pan.___", state 2356, "(1)"
-	line 417, "pan.___", state 2356, "(1)"
-	line 415, "pan.___", state 2361, "((i<2))"
-	line 415, "pan.___", state 2361, "((i>=2))"
-	line 422, "pan.___", state 2365, "(1)"
-	line 422, "pan.___", state 2365, "(1)"
-	line 710, "pan.___", state 2368, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 710, "pan.___", state 2369, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 710, "pan.___", state 2370, "(1)"
-	line 387, "pan.___", state 2377, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2409, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2423, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2442, "(1)"
-	line 413, "pan.___", state 2472, "(1)"
-	line 417, "pan.___", state 2485, "(1)"
-	line 387, "pan.___", state 2512, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2544, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2558, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2577, "(1)"
-	line 413, "pan.___", state 2607, "(1)"
-	line 417, "pan.___", state 2620, "(1)"
-	line 387, "pan.___", state 2641, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2673, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2687, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2706, "(1)"
-	line 413, "pan.___", state 2736, "(1)"
-	line 417, "pan.___", state 2749, "(1)"
-	line 387, "pan.___", state 2782, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2814, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2828, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2847, "(1)"
-	line 413, "pan.___", state 2877, "(1)"
-	line 417, "pan.___", state 2890, "(1)"
-	line 387, "pan.___", state 2909, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2941, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2955, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2974, "(1)"
-	line 413, "pan.___", state 3004, "(1)"
-	line 417, "pan.___", state 3017, "(1)"
-	line 870, "pan.___", state 3038, "-end-"
-	(284 of 3038 states)
-unreached in proctype urcu_writer
-	line 387, "pan.___", state 18, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 24, "(1)"
-	line 391, "pan.___", state 32, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 38, "(1)"
-	line 391, "pan.___", state 39, "(1)"
-	line 391, "pan.___", state 39, "(1)"
-	line 389, "pan.___", state 44, "((i<1))"
-	line 389, "pan.___", state 44, "((i>=1))"
-	line 396, "pan.___", state 50, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 56, "(1)"
-	line 396, "pan.___", state 57, "(1)"
-	line 396, "pan.___", state 57, "(1)"
-	line 400, "pan.___", state 70, "(1)"
-	line 400, "pan.___", state 71, "(1)"
-	line 400, "pan.___", state 71, "(1)"
-	line 398, "pan.___", state 76, "((i<2))"
-	line 398, "pan.___", state 76, "((i>=2))"
-	line 404, "pan.___", state 83, "(1)"
-	line 404, "pan.___", state 84, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 84, "else"
-	line 404, "pan.___", state 87, "(1)"
-	line 404, "pan.___", state 88, "(1)"
-	line 404, "pan.___", state 88, "(1)"
-	line 408, "pan.___", state 96, "(1)"
-	line 408, "pan.___", state 97, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 97, "else"
-	line 408, "pan.___", state 100, "(1)"
-	line 408, "pan.___", state 101, "(1)"
-	line 408, "pan.___", state 101, "(1)"
-	line 406, "pan.___", state 106, "((i<1))"
-	line 406, "pan.___", state 106, "((i>=1))"
-	line 413, "pan.___", state 113, "(1)"
-	line 413, "pan.___", state 114, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 114, "else"
-	line 413, "pan.___", state 117, "(1)"
-	line 413, "pan.___", state 118, "(1)"
-	line 413, "pan.___", state 118, "(1)"
-	line 417, "pan.___", state 126, "(1)"
-	line 417, "pan.___", state 127, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 127, "else"
-	line 417, "pan.___", state 130, "(1)"
-	line 417, "pan.___", state 131, "(1)"
-	line 417, "pan.___", state 131, "(1)"
-	line 415, "pan.___", state 136, "((i<2))"
-	line 415, "pan.___", state 136, "((i>=2))"
-	line 422, "pan.___", state 140, "(1)"
-	line 422, "pan.___", state 140, "(1)"
-	line 250, "pan.___", state 149, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 158, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 171, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 211, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 225, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 243, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 257, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 276, "(1)"
-	line 408, "pan.___", state 289, "(1)"
-	line 413, "pan.___", state 306, "(1)"
-	line 417, "pan.___", state 319, "(1)"
-	line 391, "pan.___", state 356, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 374, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 388, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 420, "(1)"
-	line 413, "pan.___", state 437, "(1)"
-	line 417, "pan.___", state 450, "(1)"
-	line 391, "pan.___", state 494, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 512, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 526, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 558, "(1)"
-	line 413, "pan.___", state 575, "(1)"
-	line 417, "pan.___", state 588, "(1)"
-	line 391, "pan.___", state 623, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 641, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 655, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 687, "(1)"
-	line 413, "pan.___", state 704, "(1)"
-	line 417, "pan.___", state 717, "(1)"
-	line 391, "pan.___", state 754, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 772, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 786, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 818, "(1)"
-	line 413, "pan.___", state 835, "(1)"
-	line 417, "pan.___", state 848, "(1)"
-	line 250, "pan.___", state 903, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 912, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 927, "(1)"
-	line 262, "pan.___", state 934, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 950, "(1)"
-	line 231, "pan.___", state 958, "(1)"
-	line 235, "pan.___", state 970, "(1)"
-	line 239, "pan.___", state 978, "(1)"
-	line 250, "pan.___", state 1009, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1018, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1031, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1040, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1056, "(1)"
-	line 231, "pan.___", state 1064, "(1)"
-	line 235, "pan.___", state 1076, "(1)"
-	line 239, "pan.___", state 1084, "(1)"
-	line 254, "pan.___", state 1110, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1123, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1132, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1148, "(1)"
-	line 231, "pan.___", state 1156, "(1)"
-	line 235, "pan.___", state 1168, "(1)"
-	line 239, "pan.___", state 1176, "(1)"
-	line 250, "pan.___", state 1207, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1216, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1229, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1238, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1254, "(1)"
-	line 231, "pan.___", state 1262, "(1)"
-	line 235, "pan.___", state 1274, "(1)"
-	line 239, "pan.___", state 1282, "(1)"
-	line 254, "pan.___", state 1308, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1321, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1330, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1346, "(1)"
-	line 231, "pan.___", state 1354, "(1)"
-	line 235, "pan.___", state 1366, "(1)"
-	line 239, "pan.___", state 1374, "(1)"
-	line 250, "pan.___", state 1405, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1414, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1427, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1436, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1452, "(1)"
-	line 231, "pan.___", state 1460, "(1)"
-	line 235, "pan.___", state 1472, "(1)"
-	line 239, "pan.___", state 1480, "(1)"
-	line 254, "pan.___", state 1506, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1519, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1528, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1544, "(1)"
-	line 231, "pan.___", state 1552, "(1)"
-	line 235, "pan.___", state 1564, "(1)"
-	line 239, "pan.___", state 1572, "(1)"
-	line 250, "pan.___", state 1603, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1612, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1625, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1634, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1650, "(1)"
-	line 231, "pan.___", state 1658, "(1)"
-	line 235, "pan.___", state 1670, "(1)"
-	line 239, "pan.___", state 1678, "(1)"
-	line 1191, "pan.___", state 1694, "-end-"
-	(128 of 1694 states)
-unreached in proctype :init:
-	line 1202, "pan.___", state 9, "((j<2))"
-	line 1202, "pan.___", state 9, "((j>=2))"
-	line 1203, "pan.___", state 20, "((j<2))"
-	line 1203, "pan.___", state 20, "((j>=2))"
-	line 1208, "pan.___", state 33, "((j<2))"
-	line 1208, "pan.___", state 33, "((j>=2))"
-	line 1206, "pan.___", state 43, "((i<1))"
-	line 1206, "pan.___", state 43, "((i>=1))"
-	line 1216, "pan.___", state 54, "((j<2))"
-	line 1216, "pan.___", state 54, "((j>=2))"
-	line 1220, "pan.___", state 67, "((j<2))"
-	line 1220, "pan.___", state 67, "((j>=2))"
-	(6 of 78 states)
-unreached in proctype :never:
-	line 1250, "pan.___", state 8, "-end-"
-	(1 of 8 states)
-
-pan: elapsed time 3.75e+03 seconds
-pan: rate 2403.4695 states/second
-pan: avg transition delay 1.2642e-06 usec
-cp .input.spin urcu_free_no_rmb.spin.input
-cp .input.spin.trail urcu_free_no_rmb.spin.input.trail
-make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_rmb.spin.input b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_rmb.spin.input
deleted file mode 100644
index c36940f..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_rmb.spin.input
+++ /dev/null
@@ -1,1227 +0,0 @@
-#define NO_RMB
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/* We choose to ignore writer's non-progress caused from the
-		 * reader ignoring the writer's mb() requests */
-#ifdef WRITER_PROGRESS
-progress_writer_from_reader:
-#endif
-		break;
-	od;
-}
-
-#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-#define PROGRESS_LABEL(progressid)
-#else
-#define PROGRESS_LABEL(progressid)
-#endif
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-PROGRESS_LABEL(progressid)							\
-		do								\
-		:: (reader_barrier[i] == 1) -> skip;				\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		:: 1 -> skip;
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_rmb.spin.input.trail b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_rmb.spin.input.trail
deleted file mode 100644
index abd4423..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_rmb.spin.input.trail
+++ /dev/null
@@ -1,1609 +0,0 @@
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-1420:2:4031
-1421:0:4812
-1422:1:19
-1423:0:4812
-1424:2:4032
-1425:0:4812
-1426:1:786
-1427:1:789
-1428:1:790
-1429:0:4812
-1430:1:15
-1431:0:4812
-1432:1:16
-1433:0:4812
-1434:2:4031
-1435:0:4812
-1436:1:17
-1437:0:4812
-1438:2:4032
-1439:0:4812
-1440:1:120
-1441:0:4812
-1442:2:4031
-1443:0:4812
-1444:1:19
-1445:0:4812
-1446:2:4032
-1447:0:4812
-1448:1:1053
-1449:1:1054
-1450:1:1058
-1451:1:1059
-1452:1:1067
-1453:1:1068
-1454:1:1072
-1455:1:1073
-1456:1:1081
-1457:1:1086
-1458:1:1090
-1459:1:1091
-1460:1:1099
-1461:1:1100
-1462:1:1104
-1463:1:1105
-1464:1:1099
-1465:1:1100
-1466:1:1104
-1467:1:1105
-1468:1:1113
-1469:1:1118
-1470:1:1119
-1471:1:1130
-1472:1:1131
-1473:1:1132
-1474:1:1143
-1475:1:1148
-1476:1:1149
-1477:1:1160
-1478:1:1161
-1479:1:1162
-1480:1:1160
-1481:1:1168
-1482:1:1169
-1483:1:1173
-1484:1:1180
-1485:1:1184
-1486:0:4812
-1487:1:15
-1488:0:4812
-1489:1:16
-1490:0:4812
-1491:2:4031
-1492:0:4812
-1493:1:17
-1494:0:4812
-1495:2:4032
-1496:0:4812
-1497:1:120
-1498:0:4812
-1499:2:4031
-1500:0:4812
-1501:1:19
-1502:0:4812
-1503:2:4032
-1504:0:4812
-1505:1:1185
-1506:1:1186
-1507:1:1190
-1508:1:1191
-1509:1:1199
-1510:1:1200
-1511:1:1201
-1512:1:1213
-1513:1:1218
-1514:1:1222
-1515:1:1223
-1516:1:1231
-1517:1:1232
-1518:1:1236
-1519:1:1237
-1520:1:1231
-1521:1:1232
-1522:1:1236
-1523:1:1237
-1524:1:1245
-1525:1:1250
-1526:1:1251
-1527:1:1262
-1528:1:1263
-1529:1:1264
-1530:1:1275
-1531:1:1280
-1532:1:1281
-1533:1:1292
-1534:1:1293
-1535:1:1294
-1536:1:1292
-1537:1:1300
-1538:1:1301
-1539:1:1305
-1540:0:4812
-1541:1:15
-1542:0:4812
-1543:1:16
-1544:0:4812
-1545:2:4031
-1546:0:4812
-1547:1:17
-1548:0:4812
-1549:2:4032
-1550:0:4812
-1551:1:120
-1552:0:4812
-1553:2:4031
-1554:0:4812
-1555:1:19
-1556:0:4812
-1557:2:4032
-1558:0:4812
-1559:1:1314
-1560:0:4812
-1561:2:4031
-1562:0:4812
-1563:1:2778
-1564:1:2782
-1565:1:2783
-1566:1:2791
-1567:1:2792
-1568:1:2796
-1569:1:2797
-1570:1:2805
-1571:1:2810
-1572:1:2814
-1573:1:2815
-1574:1:2823
-1575:1:2824
-1576:1:2828
-1577:1:2829
-1578:1:2823
-1579:1:2824
-1580:1:2828
-1581:1:2829
-1582:1:2837
-1583:1:2842
-1584:1:2843
-1585:1:2854
-1586:1:2855
-1587:1:2856
-1588:1:2867
-1589:1:2872
-1590:1:2873
-1591:1:2884
-1592:1:2885
-1593:1:2886
-1594:1:2884
-1595:1:2892
-1596:1:2893
-1597:1:2897
-1598:1:2901
-1599:0:4812
-1600:2:4032
-1601:0:4812
-1602:1:1316
-1603:1:1317
-1604:0:4810
-1605:1:15
-1606:0:4816
-1607:1:1637
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_wmb.define b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_wmb.define
deleted file mode 100644
index 710f29d..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_wmb.define
+++ /dev/null
@@ -1 +0,0 @@
-#define NO_WMB
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_wmb.log b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_wmb.log
deleted file mode 100644
index e829e4b..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_wmb.log
+++ /dev/null
@@ -1,613 +0,0 @@
-make[1]: Entering directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define >> pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_free_no_wmb.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1245)
-Depth=    8041 States=    1e+06 Transitions= 1.63e+08 Memory=   550.432	t=    203 R=   5e+03
-Depth=    9655 States=    2e+06 Transitions= 3.34e+08 Memory=   634.318	t=    424 R=   5e+03
-Depth=    9655 States=    3e+06 Transitions= 5.11e+08 Memory=   718.303	t=    654 R=   5e+03
-pan: resizing hashtable to -w22..  done
-Depth=    9655 States=    4e+06 Transitions= 6.76e+08 Memory=   833.311	t=    861 R=   5e+03
-Depth=    9655 States=    5e+06 Transitions=    9e+08 Memory=   917.295	t= 1.15e+03 R=   4e+03
-Depth=    9655 States=    6e+06 Transitions= 1.34e+09 Memory=  1001.279	t= 1.71e+03 R=   3e+03
-Depth=    9655 States=    7e+06 Transitions= 1.71e+09 Memory=  1085.264	t= 2.2e+03 R=   3e+03
-Depth=    9655 States=    8e+06 Transitions= 2.07e+09 Memory=  1169.151	t= 2.68e+03 R=   3e+03
-Depth=    9655 States=    9e+06 Transitions= 2.39e+09 Memory=  1253.135	t= 3.11e+03 R=   3e+03
-pan: resizing hashtable to -w24..  done
-Depth=    9655 States=    1e+07 Transitions= 2.56e+09 Memory=  1461.115	t= 3.32e+03 R=   3e+03
-Depth=    9655 States=  1.1e+07 Transitions= 2.73e+09 Memory=  1545.100	t= 3.53e+03 R=   3e+03
-Depth=    9655 States=  1.2e+07 Transitions= 2.93e+09 Memory=  1629.084	t= 3.78e+03 R=   3e+03
-Depth=    9655 States=  1.3e+07 Transitions= 3.09e+09 Memory=  1713.068	t= 3.99e+03 R=   3e+03
-Depth=    9655 States=  1.4e+07 Transitions= 3.27e+09 Memory=  1797.053	t= 4.22e+03 R=   3e+03
-Depth=    9655 States=  1.5e+07 Transitions=  3.7e+09 Memory=  1881.037	t= 4.77e+03 R=   3e+03
-Depth=    9655 States=  1.6e+07 Transitions= 4.11e+09 Memory=  1964.924	t= 5.32e+03 R=   3e+03
-Depth=    9655 States=  1.7e+07 Transitions= 4.42e+09 Memory=  2048.908	t= 5.72e+03 R=   3e+03
-Depth=    9655 States=  1.8e+07 Transitions= 4.62e+09 Memory=  2132.893	t= 5.98e+03 R=   3e+03
-Depth=    9655 States=  1.9e+07 Transitions= 4.92e+09 Memory=  2216.877	t= 6.35e+03 R=   3e+03
-Depth=    9655 States=    2e+07 Transitions= 5.24e+09 Memory=  2300.861	t= 6.77e+03 R=   3e+03
-Depth=    9655 States=  2.1e+07 Transitions= 5.94e+09 Memory=  2384.846	t= 7.68e+03 R=   3e+03
-Depth=    9655 States=  2.2e+07 Transitions= 6.65e+09 Memory=  2468.830	t= 8.63e+03 R=   3e+03
-Depth=    9655 States=  2.3e+07 Transitions=  7.1e+09 Memory=  2552.717	t= 9.22e+03 R=   2e+03
-Depth=    9655 States=  2.4e+07 Transitions= 7.54e+09 Memory=  2636.701	t= 9.8e+03 R=   2e+03
-Depth=    9655 States=  2.5e+07 Transitions= 7.74e+09 Memory=  2720.686	t= 1.01e+04 R=   2e+03
-Depth=    9655 States=  2.6e+07 Transitions= 8.03e+09 Memory=  2804.670	t= 1.04e+04 R=   2e+03
-Depth=    9655 States=  2.7e+07 Transitions=  8.4e+09 Memory=  2888.654	t= 1.09e+04 R=   2e+03
-Depth=    9655 States=  2.8e+07 Transitions= 9.12e+09 Memory=  2972.639	t= 1.19e+04 R=   2e+03
-Depth=    9655 States=  2.9e+07 Transitions= 9.83e+09 Memory=  3056.526	t= 1.29e+04 R=   2e+03
-Depth=    9655 States=    3e+07 Transitions= 1.02e+10 Memory=  3140.510	t= 1.33e+04 R=   2e+03
-Depth=    9655 States=  3.1e+07 Transitions= 1.04e+10 Memory=  3224.494	t= 1.36e+04 R=   2e+03
-Depth=    9655 States=  3.2e+07 Transitions= 1.08e+10 Memory=  3308.479	t= 1.42e+04 R=   2e+03
-Depth=    9655 States=  3.3e+07 Transitions= 1.12e+10 Memory=  3392.463	t= 1.48e+04 R=   2e+03
-Depth=    9655 States=  3.4e+07 Transitions= 1.17e+10 Memory=  3476.447	t= 1.54e+04 R=   2e+03
-pan: resizing hashtable to -w26..  done
-Depth=    9655 States=  3.5e+07 Transitions=  1.2e+10 Memory=  4056.416	t= 1.58e+04 R=   2e+03
-Depth=    9693 States=  3.6e+07 Transitions= 1.24e+10 Memory=  4140.401	t= 1.62e+04 R=   2e+03
-Depth=    9693 States=  3.7e+07 Transitions= 1.26e+10 Memory=  4224.385	t= 1.65e+04 R=   2e+03
-Depth=    9693 States=  3.8e+07 Transitions= 1.29e+10 Memory=  4308.369	t= 1.69e+04 R=   2e+03
-Depth=    9693 States=  3.9e+07 Transitions= 1.31e+10 Memory=  4392.354	t= 1.72e+04 R=   2e+03
-Depth=    9693 States=    4e+07 Transitions= 1.34e+10 Memory=  4476.338	t= 1.75e+04 R=   2e+03
-Depth=    9693 States=  4.1e+07 Transitions= 1.36e+10 Memory=  4560.225	t= 1.79e+04 R=   2e+03
-Depth=    9693 States=  4.2e+07 Transitions= 1.39e+10 Memory=  4644.209	t= 1.82e+04 R=   2e+03
-Depth=    9693 States=  4.3e+07 Transitions= 1.41e+10 Memory=  4728.193	t= 1.85e+04 R=   2e+03
-Depth=    9693 States=  4.4e+07 Transitions= 1.44e+10 Memory=  4812.178	t= 1.88e+04 R=   2e+03
-Depth=    9693 States=  4.5e+07 Transitions= 1.47e+10 Memory=  4896.162	t= 1.92e+04 R=   2e+03
-Depth=    9693 States=  4.6e+07 Transitions= 1.49e+10 Memory=  4980.147	t= 1.95e+04 R=   2e+03
-Depth=    9693 States=  4.7e+07 Transitions= 1.51e+10 Memory=  5064.131	t= 1.98e+04 R=   2e+03
-Depth=    9693 States=  4.8e+07 Transitions= 1.54e+10 Memory=  5148.018	t= 2.02e+04 R=   2e+03
-Depth=    9693 States=  4.9e+07 Transitions= 1.56e+10 Memory=  5232.002	t= 2.05e+04 R=   2e+03
-Depth=    9693 States=    5e+07 Transitions= 1.59e+10 Memory=  5315.986	t= 2.07e+04 R=   2e+03
-Depth=    9693 States=  5.1e+07 Transitions= 1.61e+10 Memory=  5399.971	t= 2.11e+04 R=   2e+03
-Depth=    9693 States=  5.2e+07 Transitions= 1.65e+10 Memory=  5483.955	t= 2.16e+04 R=   2e+03
-Depth=    9693 States=  5.3e+07 Transitions= 1.69e+10 Memory=  5567.940	t= 2.22e+04 R=   2e+03
-Depth=    9693 States=  5.4e+07 Transitions= 1.73e+10 Memory=  5651.826	t= 2.26e+04 R=   2e+03
-Depth=    9693 States=  5.5e+07 Transitions= 1.78e+10 Memory=  5735.811	t= 2.33e+04 R=   2e+03
-Depth=    9693 States=  5.6e+07 Transitions= 1.82e+10 Memory=  5819.795	t= 2.37e+04 R=   2e+03
-Depth=    9693 States=  5.7e+07 Transitions= 1.86e+10 Memory=  5903.779	t= 2.42e+04 R=   2e+03
-Depth=    9693 States=  5.8e+07 Transitions= 1.87e+10 Memory=  5987.764	t= 2.44e+04 R=   2e+03
-Depth=    9693 States=  5.9e+07 Transitions= 1.89e+10 Memory=  6071.748	t= 2.46e+04 R=   2e+03
-Depth=    9693 States=    6e+07 Transitions= 1.91e+10 Memory=  6155.733	t= 2.49e+04 R=   2e+03
-Depth=    9693 States=  6.1e+07 Transitions= 1.92e+10 Memory=  6239.619	t= 2.51e+04 R=   2e+03
-Depth=    9693 States=  6.2e+07 Transitions= 1.95e+10 Memory=  6323.604	t= 2.54e+04 R=   2e+03
-Depth=    9693 States=  6.3e+07 Transitions= 1.99e+10 Memory=  6407.588	t= 2.6e+04 R=   2e+03
-Depth=    9693 States=  6.4e+07 Transitions= 2.03e+10 Memory=  6491.572	t= 2.64e+04 R=   2e+03
-pan: claim violated! (at depth 1464)
-pan: wrote .input.spin.trail
-
-(Spin Version 5.1.7 -- 23 December 2008)
-Warning: Search not completed
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness disabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 9693, errors: 1
- 64034146 states, stored
-2.0218243e+10 states, matched
-2.0282277e+10 transitions (= stored+matched)
-1.1654922e+11 atomic steps
-hash conflicts: 1.2215901e+10 (resolved)
-
-Stats on memory usage (in Megabytes):
- 7083.856	equivalent memory usage for states (stored*(State-vector + overhead))
- 5527.722	actual memory usage for states (compression: 78.03%)
-         	state-vector as stored = 63 byte + 28 byte overhead
-  512.000	memory used for hash table (-w26)
-  457.764	memory used for DFS stack (-m10000000)
-    3.082	memory lost to fragmentation
- 6494.404	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 250, "pan.___", state 32, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 54, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 63, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 79, "(1)"
-	line 231, "pan.___", state 87, "(1)"
-	line 235, "pan.___", state 99, "(1)"
-	line 239, "pan.___", state 107, "(1)"
-	line 387, "pan.___", state 132, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 164, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 178, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 197, "(1)"
-	line 413, "pan.___", state 227, "(1)"
-	line 417, "pan.___", state 240, "(1)"
-	line 663, "pan.___", state 261, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 387, "pan.___", state 268, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 300, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 314, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 333, "(1)"
-	line 413, "pan.___", state 363, "(1)"
-	line 417, "pan.___", state 376, "(1)"
-	line 387, "pan.___", state 397, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 429, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 443, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 462, "(1)"
-	line 413, "pan.___", state 492, "(1)"
-	line 417, "pan.___", state 505, "(1)"
-	line 387, "pan.___", state 528, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 530, "(1)"
-	line 387, "pan.___", state 531, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 531, "else"
-	line 387, "pan.___", state 534, "(1)"
-	line 391, "pan.___", state 542, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 544, "(1)"
-	line 391, "pan.___", state 545, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 545, "else"
-	line 391, "pan.___", state 548, "(1)"
-	line 391, "pan.___", state 549, "(1)"
-	line 391, "pan.___", state 549, "(1)"
-	line 389, "pan.___", state 554, "((i<1))"
-	line 389, "pan.___", state 554, "((i>=1))"
-	line 396, "pan.___", state 560, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 562, "(1)"
-	line 396, "pan.___", state 563, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 563, "else"
-	line 396, "pan.___", state 566, "(1)"
-	line 396, "pan.___", state 567, "(1)"
-	line 396, "pan.___", state 567, "(1)"
-	line 400, "pan.___", state 574, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 576, "(1)"
-	line 400, "pan.___", state 577, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 577, "else"
-	line 400, "pan.___", state 580, "(1)"
-	line 400, "pan.___", state 581, "(1)"
-	line 400, "pan.___", state 581, "(1)"
-	line 398, "pan.___", state 586, "((i<2))"
-	line 398, "pan.___", state 586, "((i>=2))"
-	line 404, "pan.___", state 593, "(1)"
-	line 404, "pan.___", state 594, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 594, "else"
-	line 404, "pan.___", state 597, "(1)"
-	line 404, "pan.___", state 598, "(1)"
-	line 404, "pan.___", state 598, "(1)"
-	line 408, "pan.___", state 606, "(1)"
-	line 408, "pan.___", state 607, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 607, "else"
-	line 408, "pan.___", state 610, "(1)"
-	line 408, "pan.___", state 611, "(1)"
-	line 408, "pan.___", state 611, "(1)"
-	line 406, "pan.___", state 616, "((i<1))"
-	line 406, "pan.___", state 616, "((i>=1))"
-	line 413, "pan.___", state 623, "(1)"
-	line 413, "pan.___", state 624, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 624, "else"
-	line 413, "pan.___", state 627, "(1)"
-	line 413, "pan.___", state 628, "(1)"
-	line 413, "pan.___", state 628, "(1)"
-	line 417, "pan.___", state 636, "(1)"
-	line 417, "pan.___", state 637, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 637, "else"
-	line 417, "pan.___", state 640, "(1)"
-	line 417, "pan.___", state 641, "(1)"
-	line 417, "pan.___", state 641, "(1)"
-	line 415, "pan.___", state 646, "((i<2))"
-	line 415, "pan.___", state 646, "((i>=2))"
-	line 422, "pan.___", state 650, "(1)"
-	line 422, "pan.___", state 650, "(1)"
-	line 663, "pan.___", state 653, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 663, "pan.___", state 654, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 663, "pan.___", state 655, "(1)"
-	line 387, "pan.___", state 662, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 694, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 708, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 727, "(1)"
-	line 413, "pan.___", state 757, "(1)"
-	line 417, "pan.___", state 770, "(1)"
-	line 387, "pan.___", state 798, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 800, "(1)"
-	line 387, "pan.___", state 801, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 801, "else"
-	line 387, "pan.___", state 804, "(1)"
-	line 391, "pan.___", state 812, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 814, "(1)"
-	line 391, "pan.___", state 815, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 815, "else"
-	line 391, "pan.___", state 818, "(1)"
-	line 391, "pan.___", state 819, "(1)"
-	line 391, "pan.___", state 819, "(1)"
-	line 389, "pan.___", state 824, "((i<1))"
-	line 389, "pan.___", state 824, "((i>=1))"
-	line 396, "pan.___", state 830, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 832, "(1)"
-	line 396, "pan.___", state 833, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 833, "else"
-	line 396, "pan.___", state 836, "(1)"
-	line 396, "pan.___", state 837, "(1)"
-	line 396, "pan.___", state 837, "(1)"
-	line 400, "pan.___", state 844, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 846, "(1)"
-	line 400, "pan.___", state 847, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 847, "else"
-	line 400, "pan.___", state 850, "(1)"
-	line 400, "pan.___", state 851, "(1)"
-	line 400, "pan.___", state 851, "(1)"
-	line 398, "pan.___", state 856, "((i<2))"
-	line 398, "pan.___", state 856, "((i>=2))"
-	line 404, "pan.___", state 863, "(1)"
-	line 404, "pan.___", state 864, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 864, "else"
-	line 404, "pan.___", state 867, "(1)"
-	line 404, "pan.___", state 868, "(1)"
-	line 404, "pan.___", state 868, "(1)"
-	line 408, "pan.___", state 876, "(1)"
-	line 408, "pan.___", state 877, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 877, "else"
-	line 408, "pan.___", state 880, "(1)"
-	line 408, "pan.___", state 881, "(1)"
-	line 408, "pan.___", state 881, "(1)"
-	line 406, "pan.___", state 886, "((i<1))"
-	line 406, "pan.___", state 886, "((i>=1))"
-	line 413, "pan.___", state 893, "(1)"
-	line 413, "pan.___", state 894, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 894, "else"
-	line 413, "pan.___", state 897, "(1)"
-	line 413, "pan.___", state 898, "(1)"
-	line 413, "pan.___", state 898, "(1)"
-	line 417, "pan.___", state 906, "(1)"
-	line 417, "pan.___", state 907, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 907, "else"
-	line 417, "pan.___", state 910, "(1)"
-	line 417, "pan.___", state 911, "(1)"
-	line 417, "pan.___", state 911, "(1)"
-	line 422, "pan.___", state 920, "(1)"
-	line 422, "pan.___", state 920, "(1)"
-	line 387, "pan.___", state 927, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 929, "(1)"
-	line 387, "pan.___", state 930, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 930, "else"
-	line 387, "pan.___", state 933, "(1)"
-	line 391, "pan.___", state 941, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 943, "(1)"
-	line 391, "pan.___", state 944, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 944, "else"
-	line 391, "pan.___", state 947, "(1)"
-	line 391, "pan.___", state 948, "(1)"
-	line 391, "pan.___", state 948, "(1)"
-	line 389, "pan.___", state 953, "((i<1))"
-	line 389, "pan.___", state 953, "((i>=1))"
-	line 396, "pan.___", state 959, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 961, "(1)"
-	line 396, "pan.___", state 962, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 962, "else"
-	line 396, "pan.___", state 965, "(1)"
-	line 396, "pan.___", state 966, "(1)"
-	line 396, "pan.___", state 966, "(1)"
-	line 400, "pan.___", state 973, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 975, "(1)"
-	line 400, "pan.___", state 976, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 976, "else"
-	line 400, "pan.___", state 979, "(1)"
-	line 400, "pan.___", state 980, "(1)"
-	line 400, "pan.___", state 980, "(1)"
-	line 398, "pan.___", state 985, "((i<2))"
-	line 398, "pan.___", state 985, "((i>=2))"
-	line 404, "pan.___", state 992, "(1)"
-	line 404, "pan.___", state 993, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 993, "else"
-	line 404, "pan.___", state 996, "(1)"
-	line 404, "pan.___", state 997, "(1)"
-	line 404, "pan.___", state 997, "(1)"
-	line 408, "pan.___", state 1005, "(1)"
-	line 408, "pan.___", state 1006, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 1006, "else"
-	line 408, "pan.___", state 1009, "(1)"
-	line 408, "pan.___", state 1010, "(1)"
-	line 408, "pan.___", state 1010, "(1)"
-	line 406, "pan.___", state 1015, "((i<1))"
-	line 406, "pan.___", state 1015, "((i>=1))"
-	line 413, "pan.___", state 1022, "(1)"
-	line 413, "pan.___", state 1023, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 1023, "else"
-	line 413, "pan.___", state 1026, "(1)"
-	line 413, "pan.___", state 1027, "(1)"
-	line 413, "pan.___", state 1027, "(1)"
-	line 417, "pan.___", state 1035, "(1)"
-	line 417, "pan.___", state 1036, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 1036, "else"
-	line 417, "pan.___", state 1039, "(1)"
-	line 417, "pan.___", state 1040, "(1)"
-	line 417, "pan.___", state 1040, "(1)"
-	line 415, "pan.___", state 1045, "((i<2))"
-	line 415, "pan.___", state 1045, "((i>=2))"
-	line 422, "pan.___", state 1049, "(1)"
-	line 422, "pan.___", state 1049, "(1)"
-	line 671, "pan.___", state 1053, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 387, "pan.___", state 1058, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1090, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1104, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1123, "(1)"
-	line 413, "pan.___", state 1153, "(1)"
-	line 417, "pan.___", state 1166, "(1)"
-	line 387, "pan.___", state 1190, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1222, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1236, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1255, "(1)"
-	line 413, "pan.___", state 1285, "(1)"
-	line 417, "pan.___", state 1298, "(1)"
-	line 387, "pan.___", state 1323, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1355, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1369, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1388, "(1)"
-	line 413, "pan.___", state 1418, "(1)"
-	line 417, "pan.___", state 1431, "(1)"
-	line 387, "pan.___", state 1452, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1484, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1498, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1517, "(1)"
-	line 413, "pan.___", state 1547, "(1)"
-	line 417, "pan.___", state 1560, "(1)"
-	line 387, "pan.___", state 1586, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1618, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1632, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1651, "(1)"
-	line 413, "pan.___", state 1681, "(1)"
-	line 417, "pan.___", state 1694, "(1)"
-	line 387, "pan.___", state 1715, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1747, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1761, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1780, "(1)"
-	line 413, "pan.___", state 1810, "(1)"
-	line 417, "pan.___", state 1823, "(1)"
-	line 387, "pan.___", state 1847, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1879, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1893, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1912, "(1)"
-	line 413, "pan.___", state 1942, "(1)"
-	line 417, "pan.___", state 1955, "(1)"
-	line 710, "pan.___", state 1976, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 387, "pan.___", state 1983, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2015, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2029, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2048, "(1)"
-	line 413, "pan.___", state 2078, "(1)"
-	line 417, "pan.___", state 2091, "(1)"
-	line 387, "pan.___", state 2112, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2144, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2158, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2177, "(1)"
-	line 413, "pan.___", state 2207, "(1)"
-	line 417, "pan.___", state 2220, "(1)"
-	line 387, "pan.___", state 2243, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 2245, "(1)"
-	line 387, "pan.___", state 2246, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 2246, "else"
-	line 387, "pan.___", state 2249, "(1)"
-	line 391, "pan.___", state 2257, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 2259, "(1)"
-	line 391, "pan.___", state 2260, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 2260, "else"
-	line 391, "pan.___", state 2263, "(1)"
-	line 391, "pan.___", state 2264, "(1)"
-	line 391, "pan.___", state 2264, "(1)"
-	line 389, "pan.___", state 2269, "((i<1))"
-	line 389, "pan.___", state 2269, "((i>=1))"
-	line 396, "pan.___", state 2275, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2277, "(1)"
-	line 396, "pan.___", state 2278, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 2278, "else"
-	line 396, "pan.___", state 2281, "(1)"
-	line 396, "pan.___", state 2282, "(1)"
-	line 396, "pan.___", state 2282, "(1)"
-	line 400, "pan.___", state 2289, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2291, "(1)"
-	line 400, "pan.___", state 2292, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 2292, "else"
-	line 400, "pan.___", state 2295, "(1)"
-	line 400, "pan.___", state 2296, "(1)"
-	line 400, "pan.___", state 2296, "(1)"
-	line 398, "pan.___", state 2301, "((i<2))"
-	line 398, "pan.___", state 2301, "((i>=2))"
-	line 404, "pan.___", state 2308, "(1)"
-	line 404, "pan.___", state 2309, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 2309, "else"
-	line 404, "pan.___", state 2312, "(1)"
-	line 404, "pan.___", state 2313, "(1)"
-	line 404, "pan.___", state 2313, "(1)"
-	line 408, "pan.___", state 2321, "(1)"
-	line 408, "pan.___", state 2322, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 2322, "else"
-	line 408, "pan.___", state 2325, "(1)"
-	line 408, "pan.___", state 2326, "(1)"
-	line 408, "pan.___", state 2326, "(1)"
-	line 406, "pan.___", state 2331, "((i<1))"
-	line 406, "pan.___", state 2331, "((i>=1))"
-	line 413, "pan.___", state 2338, "(1)"
-	line 413, "pan.___", state 2339, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 2339, "else"
-	line 413, "pan.___", state 2342, "(1)"
-	line 413, "pan.___", state 2343, "(1)"
-	line 413, "pan.___", state 2343, "(1)"
-	line 417, "pan.___", state 2351, "(1)"
-	line 417, "pan.___", state 2352, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 2352, "else"
-	line 417, "pan.___", state 2355, "(1)"
-	line 417, "pan.___", state 2356, "(1)"
-	line 417, "pan.___", state 2356, "(1)"
-	line 415, "pan.___", state 2361, "((i<2))"
-	line 415, "pan.___", state 2361, "((i>=2))"
-	line 422, "pan.___", state 2365, "(1)"
-	line 422, "pan.___", state 2365, "(1)"
-	line 710, "pan.___", state 2368, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 710, "pan.___", state 2369, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 710, "pan.___", state 2370, "(1)"
-	line 387, "pan.___", state 2377, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2409, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2423, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2442, "(1)"
-	line 413, "pan.___", state 2472, "(1)"
-	line 417, "pan.___", state 2485, "(1)"
-	line 387, "pan.___", state 2512, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2544, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2558, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2577, "(1)"
-	line 413, "pan.___", state 2607, "(1)"
-	line 417, "pan.___", state 2620, "(1)"
-	line 387, "pan.___", state 2641, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2673, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2687, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2706, "(1)"
-	line 413, "pan.___", state 2736, "(1)"
-	line 417, "pan.___", state 2749, "(1)"
-	line 227, "pan.___", state 2782, "(1)"
-	line 235, "pan.___", state 2802, "(1)"
-	line 239, "pan.___", state 2810, "(1)"
-	line 227, "pan.___", state 2825, "(1)"
-	line 235, "pan.___", state 2845, "(1)"
-	line 239, "pan.___", state 2853, "(1)"
-	line 870, "pan.___", state 2870, "-end-"
-	(278 of 2870 states)
-unreached in proctype urcu_writer
-	line 387, "pan.___", state 19, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 33, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 84, "(1)"
-	line 408, "pan.___", state 97, "(1)"
-	line 250, "pan.___", state 150, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 152, "(1)"
-	line 254, "pan.___", state 159, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 161, "(1)"
-	line 254, "pan.___", state 162, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 162, "else"
-	line 252, "pan.___", state 167, "((i<1))"
-	line 252, "pan.___", state 167, "((i>=1))"
-	line 258, "pan.___", state 172, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 174, "(1)"
-	line 258, "pan.___", state 175, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 175, "else"
-	line 262, "pan.___", state 181, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 183, "(1)"
-	line 262, "pan.___", state 184, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 184, "else"
-	line 267, "pan.___", state 193, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 267, "pan.___", state 193, "else"
-	line 387, "pan.___", state 212, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 226, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 244, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 258, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 277, "(1)"
-	line 408, "pan.___", state 290, "(1)"
-	line 413, "pan.___", state 307, "(1)"
-	line 417, "pan.___", state 320, "(1)"
-	line 391, "pan.___", state 357, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 375, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 389, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 421, "(1)"
-	line 413, "pan.___", state 438, "(1)"
-	line 417, "pan.___", state 451, "(1)"
-	line 391, "pan.___", state 495, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 513, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 527, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 559, "(1)"
-	line 413, "pan.___", state 576, "(1)"
-	line 417, "pan.___", state 589, "(1)"
-	line 391, "pan.___", state 624, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 642, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 656, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 688, "(1)"
-	line 413, "pan.___", state 705, "(1)"
-	line 417, "pan.___", state 718, "(1)"
-	line 391, "pan.___", state 755, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 773, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 787, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 819, "(1)"
-	line 413, "pan.___", state 836, "(1)"
-	line 417, "pan.___", state 849, "(1)"
-	line 250, "pan.___", state 904, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 913, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 951, "(1)"
-	line 231, "pan.___", state 959, "(1)"
-	line 235, "pan.___", state 971, "(1)"
-	line 239, "pan.___", state 979, "(1)"
-	line 250, "pan.___", state 1010, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1019, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1032, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1041, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1057, "(1)"
-	line 231, "pan.___", state 1065, "(1)"
-	line 235, "pan.___", state 1077, "(1)"
-	line 239, "pan.___", state 1085, "(1)"
-	line 254, "pan.___", state 1111, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1124, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1133, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1149, "(1)"
-	line 231, "pan.___", state 1157, "(1)"
-	line 235, "pan.___", state 1169, "(1)"
-	line 239, "pan.___", state 1177, "(1)"
-	line 250, "pan.___", state 1208, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1217, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1230, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1239, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1255, "(1)"
-	line 231, "pan.___", state 1263, "(1)"
-	line 235, "pan.___", state 1275, "(1)"
-	line 239, "pan.___", state 1283, "(1)"
-	line 254, "pan.___", state 1309, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1322, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1331, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1347, "(1)"
-	line 231, "pan.___", state 1355, "(1)"
-	line 235, "pan.___", state 1367, "(1)"
-	line 239, "pan.___", state 1375, "(1)"
-	line 250, "pan.___", state 1406, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1415, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1428, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1437, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1453, "(1)"
-	line 231, "pan.___", state 1461, "(1)"
-	line 235, "pan.___", state 1473, "(1)"
-	line 239, "pan.___", state 1481, "(1)"
-	line 254, "pan.___", state 1507, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1520, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1529, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1545, "(1)"
-	line 231, "pan.___", state 1553, "(1)"
-	line 235, "pan.___", state 1565, "(1)"
-	line 239, "pan.___", state 1573, "(1)"
-	line 250, "pan.___", state 1604, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1613, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1626, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1635, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1651, "(1)"
-	line 231, "pan.___", state 1659, "(1)"
-	line 235, "pan.___", state 1671, "(1)"
-	line 239, "pan.___", state 1679, "(1)"
-	line 1191, "pan.___", state 1695, "-end-"
-	(109 of 1695 states)
-unreached in proctype :init:
-	line 1202, "pan.___", state 9, "((j<2))"
-	line 1202, "pan.___", state 9, "((j>=2))"
-	line 1203, "pan.___", state 20, "((j<2))"
-	line 1203, "pan.___", state 20, "((j>=2))"
-	line 1208, "pan.___", state 33, "((j<2))"
-	line 1208, "pan.___", state 33, "((j>=2))"
-	line 1206, "pan.___", state 43, "((i<1))"
-	line 1206, "pan.___", state 43, "((i>=1))"
-	line 1216, "pan.___", state 54, "((j<2))"
-	line 1216, "pan.___", state 54, "((j>=2))"
-	line 1220, "pan.___", state 67, "((j<2))"
-	line 1220, "pan.___", state 67, "((j>=2))"
-	(6 of 78 states)
-unreached in proctype :never:
-	line 1250, "pan.___", state 8, "-end-"
-	(1 of 8 states)
-
-pan: elapsed time 2.64e+04 seconds
-pan: rate 2423.5502 states/second
-pan: avg transition delay 1.3027e-06 usec
-cp .input.spin urcu_free_no_wmb.spin.input
-cp .input.spin.trail urcu_free_no_wmb.spin.input.trail
-make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_wmb.spin.input b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_wmb.spin.input
deleted file mode 100644
index f4c0ace..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_wmb.spin.input
+++ /dev/null
@@ -1,1227 +0,0 @@
-#define NO_WMB
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/* We choose to ignore writer's non-progress caused from the
-		 * reader ignoring the writer's mb() requests */
-#ifdef WRITER_PROGRESS
-progress_writer_from_reader:
-#endif
-		break;
-	od;
-}
-
-#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-#define PROGRESS_LABEL(progressid)
-#else
-#define PROGRESS_LABEL(progressid)
-#endif
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-PROGRESS_LABEL(progressid)							\
-		do								\
-		:: (reader_barrier[i] == 1) -> skip;				\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		:: 1 -> skip;
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_wmb.spin.input.trail b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_wmb.spin.input.trail
deleted file mode 100644
index befcb5f..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_no_wmb.spin.input.trail
+++ /dev/null
@@ -1,1467 +0,0 @@
--2:3:-2
--4:-4:-4
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-1165:1:268
-1166:1:269
-1167:1:277
-1168:1:278
-1169:1:282
-1170:1:283
-1171:1:291
-1172:1:296
-1173:1:300
-1174:1:301
-1175:1:309
-1176:1:310
-1177:1:314
-1178:1:315
-1179:1:309
-1180:1:310
-1181:1:314
-1182:1:315
-1183:1:323
-1184:1:328
-1185:1:329
-1186:1:340
-1187:1:341
-1188:1:342
-1189:1:353
-1190:1:358
-1191:1:359
-1192:1:370
-1193:1:371
-1194:1:372
-1195:1:370
-1196:1:371
-1197:1:372
-1198:1:383
-1199:0:4645
-1200:1:15
-1201:0:4645
-1202:1:16
-1203:0:4645
-1204:1:17
-1205:0:4645
-1206:1:120
-1207:0:4645
-1208:1:19
-1209:0:4645
-1210:1:392
-1211:1:393
-1212:1:397
-1213:1:398
-1214:1:406
-1215:1:407
-1216:1:411
-1217:1:412
-1218:1:420
-1219:1:425
-1220:1:429
-1221:1:430
-1222:1:438
-1223:1:439
-1224:1:443
-1225:1:444
-1226:1:438
-1227:1:439
-1228:1:443
-1229:1:444
-1230:1:452
-1231:1:457
-1232:1:458
-1233:1:469
-1234:1:470
-1235:1:471
-1236:1:482
-1237:1:487
-1238:1:488
-1239:1:499
-1240:1:500
-1241:1:501
-1242:1:499
-1243:1:500
-1244:1:501
-1245:1:512
-1246:1:519
-1247:0:4645
-1248:1:15
-1249:0:4645
-1250:1:16
-1251:0:4645
-1252:1:17
-1253:0:4645
-1254:1:120
-1255:0:4645
-1256:1:19
-1257:0:4645
-1258:1:657
-1259:1:658
-1260:1:662
-1261:1:663
-1262:1:671
-1263:1:672
-1264:1:673
-1265:1:685
-1266:1:690
-1267:1:694
-1268:1:695
-1269:1:703
-1270:1:704
-1271:1:708
-1272:1:709
-1273:1:703
-1274:1:704
-1275:1:708
-1276:1:709
-1277:1:717
-1278:1:722
-1279:1:723
-1280:1:734
-1281:1:735
-1282:1:736
-1283:1:747
-1284:1:752
-1285:1:753
-1286:1:764
-1287:1:765
-1288:1:766
-1289:1:764
-1290:1:765
-1291:1:766
-1292:1:777
-1293:0:4645
-1294:1:15
-1295:0:4645
-1296:1:16
-1297:0:4645
-1298:1:17
-1299:0:4645
-1300:1:120
-1301:0:4645
-1302:1:19
-1303:0:4645
-1304:1:786
-1305:1:789
-1306:1:790
-1307:0:4645
-1308:1:15
-1309:0:4645
-1310:1:16
-1311:0:4645
-1312:1:17
-1313:0:4645
-1314:1:120
-1315:0:4645
-1316:1:19
-1317:0:4645
-1318:1:1053
-1319:1:1054
-1320:1:1058
-1321:1:1059
-1322:1:1067
-1323:1:1068
-1324:1:1072
-1325:1:1073
-1326:1:1081
-1327:1:1086
-1328:1:1090
-1329:1:1091
-1330:1:1099
-1331:1:1100
-1332:1:1104
-1333:1:1105
-1334:1:1099
-1335:1:1100
-1336:1:1104
-1337:1:1105
-1338:1:1113
-1339:1:1118
-1340:1:1119
-1341:1:1130
-1342:1:1131
-1343:1:1132
-1344:1:1143
-1345:1:1148
-1346:1:1149
-1347:1:1160
-1348:1:1161
-1349:1:1162
-1350:1:1160
-1351:1:1161
-1352:1:1162
-1353:1:1173
-1354:1:1180
-1355:1:1184
-1356:0:4645
-1357:1:15
-1358:0:4645
-1359:1:16
-1360:0:4645
-1361:1:17
-1362:0:4645
-1363:1:120
-1364:0:4645
-1365:1:19
-1366:0:4645
-1367:1:1185
-1368:1:1186
-1369:1:1190
-1370:1:1191
-1371:1:1199
-1372:1:1200
-1373:1:1201
-1374:1:1213
-1375:1:1218
-1376:1:1222
-1377:1:1223
-1378:1:1231
-1379:1:1232
-1380:1:1236
-1381:1:1237
-1382:1:1231
-1383:1:1232
-1384:1:1236
-1385:1:1237
-1386:1:1245
-1387:1:1250
-1388:1:1251
-1389:1:1262
-1390:1:1263
-1391:1:1264
-1392:1:1275
-1393:1:1280
-1394:1:1281
-1395:1:1292
-1396:1:1293
-1397:1:1294
-1398:1:1292
-1399:1:1293
-1400:1:1294
-1401:1:1305
-1402:0:4645
-1403:1:15
-1404:0:4645
-1405:1:16
-1406:0:4645
-1407:1:17
-1408:0:4645
-1409:1:120
-1410:0:4645
-1411:1:19
-1412:0:4645
-1413:1:1314
-1414:0:4645
-1415:1:2778
-1416:1:2785
-1417:1:2786
-1418:1:2793
-1419:1:2798
-1420:1:2805
-1421:1:2806
-1422:1:2805
-1423:1:2806
-1424:1:2813
-1425:1:2817
-1426:0:4645
-1427:2:3774
-1428:2:3775
-1429:2:3779
-1430:2:3783
-1431:2:3784
-1432:2:3788
-1433:2:3793
-1434:2:3801
-1435:2:3805
-1436:2:3806
-1437:2:3801
-1438:2:3802
-1439:2:3810
-1440:2:3817
-1441:2:3824
-1442:2:3825
-1443:2:3832
-1444:2:3837
-1445:2:3844
-1446:2:3845
-1447:2:3844
-1448:2:3845
-1449:2:3852
-1450:2:3856
-1451:0:4645
-1452:2:3861
-1453:0:4645
-1454:2:3862
-1455:0:4645
-1456:2:3863
-1457:0:4645
-1458:2:3864
-1459:0:4645
-1460:1:1316
-1461:1:1317
-1462:0:4643
-1463:2:3865
-1464:0:4649
-1465:1:2475
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_single_flip.define b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_single_flip.define
deleted file mode 100644
index 5e642ef..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_single_flip.define
+++ /dev/null
@@ -1 +0,0 @@
-#define SINGLE_FLIP
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_single_flip.log b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_single_flip.log
deleted file mode 100644
index 4f60a26..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_single_flip.log
+++ /dev/null
@@ -1,783 +0,0 @@
-make[1]: Entering directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define >> pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_free_single_flip.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1245)
-Depth=    9313 States=    1e+06 Transitions=  1.5e+08 Memory=   550.432	t=    185 R=   5e+03
-Depth=    9313 States=    2e+06 Transitions= 3.71e+08 Memory=   634.318	t=    475 R=   4e+03
-Depth=    9313 States=    3e+06 Transitions= 6.52e+08 Memory=   718.303	t=    847 R=   4e+03
-pan: resizing hashtable to -w22..  done
-Depth=    9313 States=    4e+06 Transitions= 8.49e+08 Memory=   833.311	t= 1.09e+03 R=   4e+03
-Depth=    9313 States=    5e+06 Transitions= 1.02e+09 Memory=   917.295	t= 1.3e+03 R=   4e+03
-Depth=    9313 States=    6e+06 Transitions= 1.18e+09 Memory=  1001.279	t= 1.51e+03 R=   4e+03
-Depth=    9313 States=    7e+06 Transitions= 1.44e+09 Memory=  1085.264	t= 1.86e+03 R=   4e+03
-Depth=    9313 States=    8e+06 Transitions= 1.69e+09 Memory=  1169.151	t= 2.17e+03 R=   4e+03
-Depth=    9313 States=    9e+06 Transitions= 1.87e+09 Memory=  1253.135	t= 2.42e+03 R=   4e+03
-pan: resizing hashtable to -w24..  done
-Depth=    9313 States=    1e+07 Transitions= 2.08e+09 Memory=  1461.115	t= 2.68e+03 R=   4e+03
-Depth=    9313 States=  1.1e+07 Transitions= 2.38e+09 Memory=  1545.100	t= 3.06e+03 R=   4e+03
-Depth=    9530 States=  1.2e+07 Transitions=  2.6e+09 Memory=  1629.084	t= 3.35e+03 R=   4e+03
-Depth=    9530 States=  1.3e+07 Transitions= 2.85e+09 Memory=  1713.068	t= 3.67e+03 R=   4e+03
-Depth=    9530 States=  1.4e+07 Transitions= 3.06e+09 Memory=  1797.053	t= 3.93e+03 R=   4e+03
-Depth=    9530 States=  1.5e+07 Transitions= 3.32e+09 Memory=  1881.037	t= 4.28e+03 R=   4e+03
-Depth=    9530 States=  1.6e+07 Transitions= 3.52e+09 Memory=  1964.924	t= 4.54e+03 R=   4e+03
-Depth=    9530 States=  1.7e+07 Transitions= 3.85e+09 Memory=  2048.908	t= 4.96e+03 R=   3e+03
-Depth=    9530 States=  1.8e+07 Transitions= 4.15e+09 Memory=  2132.893	t= 5.34e+03 R=   3e+03
-Depth=    9530 States=  1.9e+07 Transitions= 4.35e+09 Memory=  2216.877	t= 5.58e+03 R=   3e+03
-Depth=    9530 States=    2e+07 Transitions= 4.59e+09 Memory=  2300.861	t= 5.89e+03 R=   3e+03
-Depth=    9530 States=  2.1e+07 Transitions= 4.83e+09 Memory=  2384.846	t= 6.21e+03 R=   3e+03
-Depth=    9530 States=  2.2e+07 Transitions= 5.07e+09 Memory=  2468.830	t= 6.52e+03 R=   3e+03
-Depth=    9530 States=  2.3e+07 Transitions= 5.31e+09 Memory=  2552.717	t= 6.83e+03 R=   3e+03
-Depth=    9530 States=  2.4e+07 Transitions=  5.5e+09 Memory=  2636.701	t= 7.08e+03 R=   3e+03
-pan: claim violated! (at depth 1365)
-pan: wrote .input.spin.trail
-
-(Spin Version 5.1.7 -- 23 December 2008)
-Warning: Search not completed
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness disabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 9530, errors: 1
- 24603269 states, stored
-5.6549664e+09 states, matched
-5.6795697e+09 transitions (= stored+matched)
-3.17715e+10 atomic steps
-hash conflicts: 3.9132393e+09 (resolved)
-
-Stats on memory usage (in Megabytes):
- 2721.767	equivalent memory usage for states (stored*(State-vector + overhead))
- 2102.819	actual memory usage for states (compression: 77.26%)
-         	state-vector as stored = 62 byte + 28 byte overhead
-  128.000	memory used for hash table (-w24)
-  457.764	memory used for DFS stack (-m10000000)
-    1.198	memory lost to fragmentation
- 2687.385	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 250, "pan.___", state 32, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 54, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 63, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 79, "(1)"
-	line 231, "pan.___", state 87, "(1)"
-	line 235, "pan.___", state 99, "(1)"
-	line 239, "pan.___", state 107, "(1)"
-	line 387, "pan.___", state 132, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 164, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 178, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 197, "(1)"
-	line 413, "pan.___", state 227, "(1)"
-	line 417, "pan.___", state 240, "(1)"
-	line 663, "pan.___", state 261, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 387, "pan.___", state 268, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 300, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 314, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 333, "(1)"
-	line 413, "pan.___", state 363, "(1)"
-	line 417, "pan.___", state 376, "(1)"
-	line 387, "pan.___", state 397, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 429, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 443, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 462, "(1)"
-	line 413, "pan.___", state 492, "(1)"
-	line 417, "pan.___", state 505, "(1)"
-	line 387, "pan.___", state 528, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 530, "(1)"
-	line 387, "pan.___", state 531, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 531, "else"
-	line 387, "pan.___", state 534, "(1)"
-	line 391, "pan.___", state 542, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 544, "(1)"
-	line 391, "pan.___", state 545, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 545, "else"
-	line 391, "pan.___", state 548, "(1)"
-	line 391, "pan.___", state 549, "(1)"
-	line 391, "pan.___", state 549, "(1)"
-	line 389, "pan.___", state 554, "((i<1))"
-	line 389, "pan.___", state 554, "((i>=1))"
-	line 396, "pan.___", state 560, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 562, "(1)"
-	line 396, "pan.___", state 563, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 563, "else"
-	line 396, "pan.___", state 566, "(1)"
-	line 396, "pan.___", state 567, "(1)"
-	line 396, "pan.___", state 567, "(1)"
-	line 400, "pan.___", state 574, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 576, "(1)"
-	line 400, "pan.___", state 577, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 577, "else"
-	line 400, "pan.___", state 580, "(1)"
-	line 400, "pan.___", state 581, "(1)"
-	line 400, "pan.___", state 581, "(1)"
-	line 398, "pan.___", state 586, "((i<2))"
-	line 398, "pan.___", state 586, "((i>=2))"
-	line 404, "pan.___", state 593, "(1)"
-	line 404, "pan.___", state 594, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 594, "else"
-	line 404, "pan.___", state 597, "(1)"
-	line 404, "pan.___", state 598, "(1)"
-	line 404, "pan.___", state 598, "(1)"
-	line 408, "pan.___", state 606, "(1)"
-	line 408, "pan.___", state 607, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 607, "else"
-	line 408, "pan.___", state 610, "(1)"
-	line 408, "pan.___", state 611, "(1)"
-	line 408, "pan.___", state 611, "(1)"
-	line 406, "pan.___", state 616, "((i<1))"
-	line 406, "pan.___", state 616, "((i>=1))"
-	line 413, "pan.___", state 623, "(1)"
-	line 413, "pan.___", state 624, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 624, "else"
-	line 413, "pan.___", state 627, "(1)"
-	line 413, "pan.___", state 628, "(1)"
-	line 413, "pan.___", state 628, "(1)"
-	line 417, "pan.___", state 636, "(1)"
-	line 417, "pan.___", state 637, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 637, "else"
-	line 417, "pan.___", state 640, "(1)"
-	line 417, "pan.___", state 641, "(1)"
-	line 417, "pan.___", state 641, "(1)"
-	line 415, "pan.___", state 646, "((i<2))"
-	line 415, "pan.___", state 646, "((i>=2))"
-	line 422, "pan.___", state 650, "(1)"
-	line 422, "pan.___", state 650, "(1)"
-	line 663, "pan.___", state 653, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 663, "pan.___", state 654, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 663, "pan.___", state 655, "(1)"
-	line 387, "pan.___", state 662, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 694, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 708, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 727, "(1)"
-	line 413, "pan.___", state 757, "(1)"
-	line 417, "pan.___", state 770, "(1)"
-	line 387, "pan.___", state 798, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 800, "(1)"
-	line 387, "pan.___", state 801, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 801, "else"
-	line 387, "pan.___", state 804, "(1)"
-	line 391, "pan.___", state 812, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 814, "(1)"
-	line 391, "pan.___", state 815, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 815, "else"
-	line 391, "pan.___", state 818, "(1)"
-	line 391, "pan.___", state 819, "(1)"
-	line 391, "pan.___", state 819, "(1)"
-	line 389, "pan.___", state 824, "((i<1))"
-	line 389, "pan.___", state 824, "((i>=1))"
-	line 396, "pan.___", state 830, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 832, "(1)"
-	line 396, "pan.___", state 833, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 833, "else"
-	line 396, "pan.___", state 836, "(1)"
-	line 396, "pan.___", state 837, "(1)"
-	line 396, "pan.___", state 837, "(1)"
-	line 400, "pan.___", state 844, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 846, "(1)"
-	line 400, "pan.___", state 847, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 847, "else"
-	line 400, "pan.___", state 850, "(1)"
-	line 400, "pan.___", state 851, "(1)"
-	line 400, "pan.___", state 851, "(1)"
-	line 398, "pan.___", state 856, "((i<2))"
-	line 398, "pan.___", state 856, "((i>=2))"
-	line 404, "pan.___", state 863, "(1)"
-	line 404, "pan.___", state 864, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 864, "else"
-	line 404, "pan.___", state 867, "(1)"
-	line 404, "pan.___", state 868, "(1)"
-	line 404, "pan.___", state 868, "(1)"
-	line 408, "pan.___", state 876, "(1)"
-	line 408, "pan.___", state 877, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 877, "else"
-	line 408, "pan.___", state 880, "(1)"
-	line 408, "pan.___", state 881, "(1)"
-	line 408, "pan.___", state 881, "(1)"
-	line 406, "pan.___", state 886, "((i<1))"
-	line 406, "pan.___", state 886, "((i>=1))"
-	line 413, "pan.___", state 893, "(1)"
-	line 413, "pan.___", state 894, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 894, "else"
-	line 413, "pan.___", state 897, "(1)"
-	line 413, "pan.___", state 898, "(1)"
-	line 413, "pan.___", state 898, "(1)"
-	line 417, "pan.___", state 906, "(1)"
-	line 417, "pan.___", state 907, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 907, "else"
-	line 417, "pan.___", state 910, "(1)"
-	line 417, "pan.___", state 911, "(1)"
-	line 417, "pan.___", state 911, "(1)"
-	line 422, "pan.___", state 920, "(1)"
-	line 422, "pan.___", state 920, "(1)"
-	line 387, "pan.___", state 927, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 929, "(1)"
-	line 387, "pan.___", state 930, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 930, "else"
-	line 387, "pan.___", state 933, "(1)"
-	line 391, "pan.___", state 941, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 943, "(1)"
-	line 391, "pan.___", state 944, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 944, "else"
-	line 391, "pan.___", state 947, "(1)"
-	line 391, "pan.___", state 948, "(1)"
-	line 391, "pan.___", state 948, "(1)"
-	line 389, "pan.___", state 953, "((i<1))"
-	line 389, "pan.___", state 953, "((i>=1))"
-	line 396, "pan.___", state 959, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 961, "(1)"
-	line 396, "pan.___", state 962, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 962, "else"
-	line 396, "pan.___", state 965, "(1)"
-	line 396, "pan.___", state 966, "(1)"
-	line 396, "pan.___", state 966, "(1)"
-	line 400, "pan.___", state 973, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 975, "(1)"
-	line 400, "pan.___", state 976, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 976, "else"
-	line 400, "pan.___", state 979, "(1)"
-	line 400, "pan.___", state 980, "(1)"
-	line 400, "pan.___", state 980, "(1)"
-	line 398, "pan.___", state 985, "((i<2))"
-	line 398, "pan.___", state 985, "((i>=2))"
-	line 404, "pan.___", state 992, "(1)"
-	line 404, "pan.___", state 993, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 993, "else"
-	line 404, "pan.___", state 996, "(1)"
-	line 404, "pan.___", state 997, "(1)"
-	line 404, "pan.___", state 997, "(1)"
-	line 408, "pan.___", state 1005, "(1)"
-	line 408, "pan.___", state 1006, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 1006, "else"
-	line 408, "pan.___", state 1009, "(1)"
-	line 408, "pan.___", state 1010, "(1)"
-	line 408, "pan.___", state 1010, "(1)"
-	line 406, "pan.___", state 1015, "((i<1))"
-	line 406, "pan.___", state 1015, "((i>=1))"
-	line 413, "pan.___", state 1022, "(1)"
-	line 413, "pan.___", state 1023, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 1023, "else"
-	line 413, "pan.___", state 1026, "(1)"
-	line 413, "pan.___", state 1027, "(1)"
-	line 413, "pan.___", state 1027, "(1)"
-	line 417, "pan.___", state 1035, "(1)"
-	line 417, "pan.___", state 1036, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 1036, "else"
-	line 417, "pan.___", state 1039, "(1)"
-	line 417, "pan.___", state 1040, "(1)"
-	line 417, "pan.___", state 1040, "(1)"
-	line 415, "pan.___", state 1045, "((i<2))"
-	line 415, "pan.___", state 1045, "((i>=2))"
-	line 422, "pan.___", state 1049, "(1)"
-	line 422, "pan.___", state 1049, "(1)"
-	line 671, "pan.___", state 1053, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 387, "pan.___", state 1058, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1090, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1104, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1123, "(1)"
-	line 413, "pan.___", state 1153, "(1)"
-	line 417, "pan.___", state 1166, "(1)"
-	line 387, "pan.___", state 1190, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1222, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1236, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1255, "(1)"
-	line 413, "pan.___", state 1285, "(1)"
-	line 417, "pan.___", state 1298, "(1)"
-	line 387, "pan.___", state 1323, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1355, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1369, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1388, "(1)"
-	line 413, "pan.___", state 1418, "(1)"
-	line 417, "pan.___", state 1431, "(1)"
-	line 387, "pan.___", state 1452, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1484, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1498, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1517, "(1)"
-	line 413, "pan.___", state 1547, "(1)"
-	line 417, "pan.___", state 1560, "(1)"
-	line 387, "pan.___", state 1586, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1618, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1632, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1651, "(1)"
-	line 413, "pan.___", state 1681, "(1)"
-	line 417, "pan.___", state 1694, "(1)"
-	line 387, "pan.___", state 1715, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1747, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1761, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1780, "(1)"
-	line 413, "pan.___", state 1810, "(1)"
-	line 417, "pan.___", state 1823, "(1)"
-	line 387, "pan.___", state 1847, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1879, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1893, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1912, "(1)"
-	line 413, "pan.___", state 1942, "(1)"
-	line 417, "pan.___", state 1955, "(1)"
-	line 710, "pan.___", state 1976, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 387, "pan.___", state 1983, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2015, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2029, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2048, "(1)"
-	line 413, "pan.___", state 2078, "(1)"
-	line 417, "pan.___", state 2091, "(1)"
-	line 387, "pan.___", state 2112, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2144, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2158, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2177, "(1)"
-	line 413, "pan.___", state 2207, "(1)"
-	line 417, "pan.___", state 2220, "(1)"
-	line 387, "pan.___", state 2243, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 2245, "(1)"
-	line 387, "pan.___", state 2246, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 2246, "else"
-	line 387, "pan.___", state 2249, "(1)"
-	line 391, "pan.___", state 2257, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 2259, "(1)"
-	line 391, "pan.___", state 2260, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 2260, "else"
-	line 391, "pan.___", state 2263, "(1)"
-	line 391, "pan.___", state 2264, "(1)"
-	line 391, "pan.___", state 2264, "(1)"
-	line 389, "pan.___", state 2269, "((i<1))"
-	line 389, "pan.___", state 2269, "((i>=1))"
-	line 396, "pan.___", state 2275, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2277, "(1)"
-	line 396, "pan.___", state 2278, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 2278, "else"
-	line 396, "pan.___", state 2281, "(1)"
-	line 396, "pan.___", state 2282, "(1)"
-	line 396, "pan.___", state 2282, "(1)"
-	line 400, "pan.___", state 2289, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2291, "(1)"
-	line 400, "pan.___", state 2292, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 2292, "else"
-	line 400, "pan.___", state 2295, "(1)"
-	line 400, "pan.___", state 2296, "(1)"
-	line 400, "pan.___", state 2296, "(1)"
-	line 398, "pan.___", state 2301, "((i<2))"
-	line 398, "pan.___", state 2301, "((i>=2))"
-	line 404, "pan.___", state 2308, "(1)"
-	line 404, "pan.___", state 2309, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 2309, "else"
-	line 404, "pan.___", state 2312, "(1)"
-	line 404, "pan.___", state 2313, "(1)"
-	line 404, "pan.___", state 2313, "(1)"
-	line 408, "pan.___", state 2321, "(1)"
-	line 408, "pan.___", state 2322, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 2322, "else"
-	line 408, "pan.___", state 2325, "(1)"
-	line 408, "pan.___", state 2326, "(1)"
-	line 408, "pan.___", state 2326, "(1)"
-	line 406, "pan.___", state 2331, "((i<1))"
-	line 406, "pan.___", state 2331, "((i>=1))"
-	line 413, "pan.___", state 2338, "(1)"
-	line 413, "pan.___", state 2339, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 2339, "else"
-	line 413, "pan.___", state 2342, "(1)"
-	line 413, "pan.___", state 2343, "(1)"
-	line 413, "pan.___", state 2343, "(1)"
-	line 417, "pan.___", state 2351, "(1)"
-	line 417, "pan.___", state 2352, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 2352, "else"
-	line 417, "pan.___", state 2355, "(1)"
-	line 417, "pan.___", state 2356, "(1)"
-	line 417, "pan.___", state 2356, "(1)"
-	line 415, "pan.___", state 2361, "((i<2))"
-	line 415, "pan.___", state 2361, "((i>=2))"
-	line 422, "pan.___", state 2365, "(1)"
-	line 422, "pan.___", state 2365, "(1)"
-	line 710, "pan.___", state 2368, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 710, "pan.___", state 2369, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 710, "pan.___", state 2370, "(1)"
-	line 387, "pan.___", state 2377, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2409, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2423, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2442, "(1)"
-	line 413, "pan.___", state 2472, "(1)"
-	line 417, "pan.___", state 2485, "(1)"
-	line 387, "pan.___", state 2512, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2544, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2558, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2577, "(1)"
-	line 413, "pan.___", state 2607, "(1)"
-	line 417, "pan.___", state 2620, "(1)"
-	line 387, "pan.___", state 2641, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2673, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2687, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2706, "(1)"
-	line 413, "pan.___", state 2736, "(1)"
-	line 417, "pan.___", state 2749, "(1)"
-	line 227, "pan.___", state 2782, "(1)"
-	line 235, "pan.___", state 2802, "(1)"
-	line 239, "pan.___", state 2810, "(1)"
-	line 227, "pan.___", state 2825, "(1)"
-	line 235, "pan.___", state 2845, "(1)"
-	line 239, "pan.___", state 2853, "(1)"
-	line 870, "pan.___", state 2870, "-end-"
-	(278 of 2870 states)
-unreached in proctype urcu_writer
-	line 387, "pan.___", state 22, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 36, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 54, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 87, "(1)"
-	line 408, "pan.___", state 100, "(1)"
-	line 413, "pan.___", state 117, "(1)"
-	line 250, "pan.___", state 153, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 162, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 175, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 215, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 229, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 247, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 261, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 280, "(1)"
-	line 408, "pan.___", state 293, "(1)"
-	line 413, "pan.___", state 310, "(1)"
-	line 417, "pan.___", state 323, "(1)"
-	line 391, "pan.___", state 360, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 378, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 392, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 424, "(1)"
-	line 413, "pan.___", state 441, "(1)"
-	line 417, "pan.___", state 454, "(1)"
-	line 387, "pan.___", state 483, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 485, "(1)"
-	line 387, "pan.___", state 486, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 486, "else"
-	line 387, "pan.___", state 489, "(1)"
-	line 391, "pan.___", state 497, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 499, "(1)"
-	line 391, "pan.___", state 500, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 500, "else"
-	line 391, "pan.___", state 503, "(1)"
-	line 391, "pan.___", state 504, "(1)"
-	line 391, "pan.___", state 504, "(1)"
-	line 389, "pan.___", state 509, "((i<1))"
-	line 389, "pan.___", state 509, "((i>=1))"
-	line 396, "pan.___", state 515, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 517, "(1)"
-	line 396, "pan.___", state 518, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 518, "else"
-	line 396, "pan.___", state 521, "(1)"
-	line 396, "pan.___", state 522, "(1)"
-	line 396, "pan.___", state 522, "(1)"
-	line 400, "pan.___", state 529, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 531, "(1)"
-	line 400, "pan.___", state 532, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 532, "else"
-	line 400, "pan.___", state 535, "(1)"
-	line 400, "pan.___", state 536, "(1)"
-	line 400, "pan.___", state 536, "(1)"
-	line 398, "pan.___", state 541, "((i<2))"
-	line 398, "pan.___", state 541, "((i>=2))"
-	line 404, "pan.___", state 548, "(1)"
-	line 404, "pan.___", state 549, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 549, "else"
-	line 404, "pan.___", state 552, "(1)"
-	line 404, "pan.___", state 553, "(1)"
-	line 404, "pan.___", state 553, "(1)"
-	line 408, "pan.___", state 561, "(1)"
-	line 408, "pan.___", state 562, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 562, "else"
-	line 408, "pan.___", state 565, "(1)"
-	line 408, "pan.___", state 566, "(1)"
-	line 408, "pan.___", state 566, "(1)"
-	line 406, "pan.___", state 571, "((i<1))"
-	line 406, "pan.___", state 571, "((i>=1))"
-	line 413, "pan.___", state 578, "(1)"
-	line 413, "pan.___", state 579, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 579, "else"
-	line 413, "pan.___", state 582, "(1)"
-	line 413, "pan.___", state 583, "(1)"
-	line 413, "pan.___", state 583, "(1)"
-	line 417, "pan.___", state 591, "(1)"
-	line 417, "pan.___", state 592, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 592, "else"
-	line 417, "pan.___", state 595, "(1)"
-	line 417, "pan.___", state 596, "(1)"
-	line 417, "pan.___", state 596, "(1)"
-	line 422, "pan.___", state 605, "(1)"
-	line 422, "pan.___", state 605, "(1)"
-	line 387, "pan.___", state 612, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 614, "(1)"
-	line 387, "pan.___", state 615, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 615, "else"
-	line 387, "pan.___", state 618, "(1)"
-	line 391, "pan.___", state 626, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 628, "(1)"
-	line 391, "pan.___", state 629, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 629, "else"
-	line 391, "pan.___", state 632, "(1)"
-	line 391, "pan.___", state 633, "(1)"
-	line 391, "pan.___", state 633, "(1)"
-	line 389, "pan.___", state 638, "((i<1))"
-	line 389, "pan.___", state 638, "((i>=1))"
-	line 396, "pan.___", state 644, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 646, "(1)"
-	line 396, "pan.___", state 647, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 647, "else"
-	line 396, "pan.___", state 650, "(1)"
-	line 396, "pan.___", state 651, "(1)"
-	line 396, "pan.___", state 651, "(1)"
-	line 400, "pan.___", state 658, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 660, "(1)"
-	line 400, "pan.___", state 661, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 661, "else"
-	line 400, "pan.___", state 664, "(1)"
-	line 400, "pan.___", state 665, "(1)"
-	line 400, "pan.___", state 665, "(1)"
-	line 398, "pan.___", state 670, "((i<2))"
-	line 398, "pan.___", state 670, "((i>=2))"
-	line 404, "pan.___", state 677, "(1)"
-	line 404, "pan.___", state 678, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 678, "else"
-	line 404, "pan.___", state 681, "(1)"
-	line 404, "pan.___", state 682, "(1)"
-	line 404, "pan.___", state 682, "(1)"
-	line 408, "pan.___", state 690, "(1)"
-	line 408, "pan.___", state 691, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 691, "else"
-	line 408, "pan.___", state 694, "(1)"
-	line 408, "pan.___", state 695, "(1)"
-	line 408, "pan.___", state 695, "(1)"
-	line 406, "pan.___", state 700, "((i<1))"
-	line 406, "pan.___", state 700, "((i>=1))"
-	line 413, "pan.___", state 707, "(1)"
-	line 413, "pan.___", state 708, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 708, "else"
-	line 413, "pan.___", state 711, "(1)"
-	line 413, "pan.___", state 712, "(1)"
-	line 413, "pan.___", state 712, "(1)"
-	line 417, "pan.___", state 720, "(1)"
-	line 417, "pan.___", state 721, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 721, "else"
-	line 417, "pan.___", state 724, "(1)"
-	line 417, "pan.___", state 725, "(1)"
-	line 417, "pan.___", state 725, "(1)"
-	line 415, "pan.___", state 730, "((i<2))"
-	line 415, "pan.___", state 730, "((i>=2))"
-	line 422, "pan.___", state 734, "(1)"
-	line 422, "pan.___", state 734, "(1)"
-	line 1078, "pan.___", state 738, "_proc_urcu_writer = (_proc_urcu_writer|(1<<10))"
-	line 387, "pan.___", state 743, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 745, "(1)"
-	line 387, "pan.___", state 746, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 746, "else"
-	line 387, "pan.___", state 749, "(1)"
-	line 391, "pan.___", state 757, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 759, "(1)"
-	line 391, "pan.___", state 760, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 760, "else"
-	line 391, "pan.___", state 763, "(1)"
-	line 391, "pan.___", state 764, "(1)"
-	line 391, "pan.___", state 764, "(1)"
-	line 389, "pan.___", state 769, "((i<1))"
-	line 389, "pan.___", state 769, "((i>=1))"
-	line 396, "pan.___", state 775, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 777, "(1)"
-	line 396, "pan.___", state 778, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 778, "else"
-	line 396, "pan.___", state 781, "(1)"
-	line 396, "pan.___", state 782, "(1)"
-	line 396, "pan.___", state 782, "(1)"
-	line 400, "pan.___", state 789, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 791, "(1)"
-	line 400, "pan.___", state 792, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 792, "else"
-	line 400, "pan.___", state 795, "(1)"
-	line 400, "pan.___", state 796, "(1)"
-	line 400, "pan.___", state 796, "(1)"
-	line 398, "pan.___", state 801, "((i<2))"
-	line 398, "pan.___", state 801, "((i>=2))"
-	line 404, "pan.___", state 808, "(1)"
-	line 404, "pan.___", state 809, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 809, "else"
-	line 404, "pan.___", state 812, "(1)"
-	line 404, "pan.___", state 813, "(1)"
-	line 404, "pan.___", state 813, "(1)"
-	line 408, "pan.___", state 821, "(1)"
-	line 408, "pan.___", state 822, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 822, "else"
-	line 408, "pan.___", state 825, "(1)"
-	line 408, "pan.___", state 826, "(1)"
-	line 408, "pan.___", state 826, "(1)"
-	line 406, "pan.___", state 831, "((i<1))"
-	line 406, "pan.___", state 831, "((i>=1))"
-	line 413, "pan.___", state 838, "(1)"
-	line 413, "pan.___", state 839, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 839, "else"
-	line 413, "pan.___", state 842, "(1)"
-	line 413, "pan.___", state 843, "(1)"
-	line 413, "pan.___", state 843, "(1)"
-	line 417, "pan.___", state 851, "(1)"
-	line 417, "pan.___", state 852, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 852, "else"
-	line 417, "pan.___", state 855, "(1)"
-	line 417, "pan.___", state 856, "(1)"
-	line 417, "pan.___", state 856, "(1)"
-	line 415, "pan.___", state 861, "((i<2))"
-	line 415, "pan.___", state 861, "((i>=2))"
-	line 422, "pan.___", state 865, "(1)"
-	line 422, "pan.___", state 865, "(1)"
-	line 1093, "pan.___", state 870, "_proc_urcu_writer = (_proc_urcu_writer|(1<<11))"
-	line 1088, "pan.___", state 871, "(((tmp2&((1<<7)-1))&&((tmp2^0)&(1<<7))))"
-	line 1088, "pan.___", state 871, "else"
-	line 1113, "pan.___", state 875, "_proc_urcu_writer = (_proc_urcu_writer&~(((1<<12)|(1<<11))))"
-	line 250, "pan.___", state 906, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 915, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 930, "(1)"
-	line 262, "pan.___", state 937, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 953, "(1)"
-	line 231, "pan.___", state 961, "(1)"
-	line 235, "pan.___", state 973, "(1)"
-	line 239, "pan.___", state 981, "(1)"
-	line 250, "pan.___", state 1012, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1021, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1034, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1043, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1059, "(1)"
-	line 231, "pan.___", state 1067, "(1)"
-	line 235, "pan.___", state 1079, "(1)"
-	line 239, "pan.___", state 1087, "(1)"
-	line 254, "pan.___", state 1113, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1126, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1135, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1151, "(1)"
-	line 231, "pan.___", state 1159, "(1)"
-	line 235, "pan.___", state 1171, "(1)"
-	line 239, "pan.___", state 1179, "(1)"
-	line 250, "pan.___", state 1210, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1219, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1232, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1241, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1257, "(1)"
-	line 231, "pan.___", state 1265, "(1)"
-	line 235, "pan.___", state 1277, "(1)"
-	line 239, "pan.___", state 1285, "(1)"
-	line 250, "pan.___", state 1302, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 1304, "(1)"
-	line 254, "pan.___", state 1311, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1313, "(1)"
-	line 254, "pan.___", state 1314, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 1314, "else"
-	line 252, "pan.___", state 1319, "((i<1))"
-	line 252, "pan.___", state 1319, "((i>=1))"
-	line 258, "pan.___", state 1324, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1326, "(1)"
-	line 258, "pan.___", state 1327, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 1327, "else"
-	line 262, "pan.___", state 1333, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1335, "(1)"
-	line 262, "pan.___", state 1336, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 1336, "else"
-	line 260, "pan.___", state 1341, "((i<2))"
-	line 260, "pan.___", state 1341, "((i>=2))"
-	line 227, "pan.___", state 1349, "(1)"
-	line 231, "pan.___", state 1357, "(1)"
-	line 231, "pan.___", state 1358, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1358, "else"
-	line 229, "pan.___", state 1363, "((i<1))"
-	line 229, "pan.___", state 1363, "((i>=1))"
-	line 235, "pan.___", state 1369, "(1)"
-	line 235, "pan.___", state 1370, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1370, "else"
-	line 239, "pan.___", state 1377, "(1)"
-	line 239, "pan.___", state 1378, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1378, "else"
-	line 244, "pan.___", state 1387, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1387, "else"
-	line 1183, "pan.___", state 1390, "i = 0"
-	line 1183, "pan.___", state 1392, "reader_barrier = 1"
-	line 1183, "pan.___", state 1403, "((i<1))"
-	line 1183, "pan.___", state 1403, "((i>=1))"
-	line 250, "pan.___", state 1408, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 1410, "(1)"
-	line 254, "pan.___", state 1417, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1419, "(1)"
-	line 254, "pan.___", state 1420, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 1420, "else"
-	line 252, "pan.___", state 1425, "((i<1))"
-	line 252, "pan.___", state 1425, "((i>=1))"
-	line 258, "pan.___", state 1430, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1432, "(1)"
-	line 258, "pan.___", state 1433, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 1433, "else"
-	line 262, "pan.___", state 1439, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1441, "(1)"
-	line 262, "pan.___", state 1442, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 1442, "else"
-	line 260, "pan.___", state 1447, "((i<2))"
-	line 260, "pan.___", state 1447, "((i>=2))"
-	line 227, "pan.___", state 1455, "(1)"
-	line 231, "pan.___", state 1463, "(1)"
-	line 231, "pan.___", state 1464, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1464, "else"
-	line 229, "pan.___", state 1469, "((i<1))"
-	line 229, "pan.___", state 1469, "((i>=1))"
-	line 235, "pan.___", state 1475, "(1)"
-	line 235, "pan.___", state 1476, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1476, "else"
-	line 239, "pan.___", state 1483, "(1)"
-	line 239, "pan.___", state 1484, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1484, "else"
-	line 244, "pan.___", state 1493, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1493, "else"
-	line 277, "pan.___", state 1495, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 277, "pan.___", state 1495, "else"
-	line 1183, "pan.___", state 1496, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 1183, "pan.___", state 1496, "else"
-	line 254, "pan.___", state 1509, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1522, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1531, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1547, "(1)"
-	line 231, "pan.___", state 1555, "(1)"
-	line 235, "pan.___", state 1567, "(1)"
-	line 239, "pan.___", state 1575, "(1)"
-	line 250, "pan.___", state 1606, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1615, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1628, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1637, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1653, "(1)"
-	line 231, "pan.___", state 1661, "(1)"
-	line 235, "pan.___", state 1673, "(1)"
-	line 239, "pan.___", state 1681, "(1)"
-	line 1191, "pan.___", state 1697, "-end-"
-	(242 of 1697 states)
-unreached in proctype :init:
-	line 1202, "pan.___", state 9, "((j<2))"
-	line 1202, "pan.___", state 9, "((j>=2))"
-	line 1203, "pan.___", state 20, "((j<2))"
-	line 1203, "pan.___", state 20, "((j>=2))"
-	line 1208, "pan.___", state 33, "((j<2))"
-	line 1208, "pan.___", state 33, "((j>=2))"
-	line 1206, "pan.___", state 43, "((i<1))"
-	line 1206, "pan.___", state 43, "((i>=1))"
-	line 1216, "pan.___", state 54, "((j<2))"
-	line 1216, "pan.___", state 54, "((j>=2))"
-	line 1220, "pan.___", state 67, "((j<2))"
-	line 1220, "pan.___", state 67, "((j>=2))"
-	(6 of 78 states)
-unreached in proctype :never:
-	line 1250, "pan.___", state 8, "-end-"
-	(1 of 8 states)
-
-pan: elapsed time 7.32e+03 seconds
-pan: rate 3363.2894 states/second
-pan: avg transition delay 1.288e-06 usec
-cp .input.spin urcu_free_single_flip.spin.input
-cp .input.spin.trail urcu_free_single_flip.spin.input.trail
-make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_single_flip.spin.input b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_single_flip.spin.input
deleted file mode 100644
index 4877d95..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_single_flip.spin.input
+++ /dev/null
@@ -1,1227 +0,0 @@
-#define SINGLE_FLIP
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/* We choose to ignore writer's non-progress caused from the
-		 * reader ignoring the writer's mb() requests */
-#ifdef WRITER_PROGRESS
-progress_writer_from_reader:
-#endif
-		break;
-	od;
-}
-
-#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-#define PROGRESS_LABEL(progressid)
-#else
-#define PROGRESS_LABEL(progressid)
-#endif
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-PROGRESS_LABEL(progressid)							\
-		do								\
-		:: (reader_barrier[i] == 1) -> skip;				\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		:: 1 -> skip;
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_single_flip.spin.input.trail b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_single_flip.spin.input.trail
deleted file mode 100644
index eaf1780..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_free_single_flip.spin.input.trail
+++ /dev/null
@@ -1,1368 +0,0 @@
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diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress.ltl b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress.ltl
deleted file mode 100644
index 8718641..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress.ltl
+++ /dev/null
@@ -1 +0,0 @@
-([] <> !np_)
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_reader.define b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_reader.define
deleted file mode 100644
index ff3f783..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_reader.define
+++ /dev/null
@@ -1 +0,0 @@
-#define READER_PROGRESS
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_reader.log b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_reader.log
deleted file mode 100644
index c7614b5..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_reader.log
+++ /dev/null
@@ -1,1513 +0,0 @@
-make[1]: Entering directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define > pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_progress.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_progress_reader.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -f -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1245)
-depth 23: Claim reached state 9 (line 1250)
-depth 145: Claim reached state 9 (line 1249)
-pan: acceptance cycle (at depth 2922)
-pan: wrote .input.spin.trail
-
-(Spin Version 5.1.7 -- 23 December 2008)
-Warning: Search not completed
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness enabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 3023, errors: 1
-      604 states, stored (989 visited)
-    16933 states, matched
-    17922 transitions (= visited+matched)
-   100982 atomic steps
-hash conflicts:         1 (resolved)
-
-Stats on memory usage (in Megabytes):
-    0.067	equivalent memory usage for states (stored*(State-vector + overhead))
-    0.718	actual memory usage for states (unsuccessful compression: 1075.20%)
-         	state-vector as stored = 1219 byte + 28 byte overhead
-    8.000	memory used for hash table (-w20)
-  457.764	memory used for DFS stack (-m10000000)
-  466.447	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 250, "pan.___", state 32, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 41, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 252, "pan.___", state 49, "((i<1))"
-	line 252, "pan.___", state 49, "((i>=1))"
-	line 258, "pan.___", state 54, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 63, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 260, "pan.___", state 71, "((i<2))"
-	line 260, "pan.___", state 71, "((i>=2))"
-	line 227, "pan.___", state 79, "(1)"
-	line 231, "pan.___", state 87, "(1)"
-	line 231, "pan.___", state 88, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 88, "else"
-	line 229, "pan.___", state 93, "((i<1))"
-	line 229, "pan.___", state 93, "((i>=1))"
-	line 235, "pan.___", state 99, "(1)"
-	line 235, "pan.___", state 100, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 100, "else"
-	line 239, "pan.___", state 107, "(1)"
-	line 239, "pan.___", state 108, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 108, "else"
-	line 244, "pan.___", state 117, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 117, "else"
-	line 387, "pan.___", state 132, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 138, "(1)"
-	line 391, "pan.___", state 146, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 152, "(1)"
-	line 391, "pan.___", state 153, "(1)"
-	line 391, "pan.___", state 153, "(1)"
-	line 389, "pan.___", state 158, "((i<1))"
-	line 389, "pan.___", state 158, "((i>=1))"
-	line 396, "pan.___", state 164, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 170, "(1)"
-	line 396, "pan.___", state 171, "(1)"
-	line 396, "pan.___", state 171, "(1)"
-	line 400, "pan.___", state 178, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 184, "(1)"
-	line 400, "pan.___", state 185, "(1)"
-	line 400, "pan.___", state 185, "(1)"
-	line 398, "pan.___", state 190, "((i<2))"
-	line 398, "pan.___", state 190, "((i>=2))"
-	line 404, "pan.___", state 197, "(1)"
-	line 404, "pan.___", state 198, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 198, "else"
-	line 404, "pan.___", state 201, "(1)"
-	line 404, "pan.___", state 202, "(1)"
-	line 404, "pan.___", state 202, "(1)"
-	line 408, "pan.___", state 210, "(1)"
-	line 408, "pan.___", state 211, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 211, "else"
-	line 408, "pan.___", state 214, "(1)"
-	line 408, "pan.___", state 215, "(1)"
-	line 408, "pan.___", state 215, "(1)"
-	line 406, "pan.___", state 220, "((i<1))"
-	line 406, "pan.___", state 220, "((i>=1))"
-	line 413, "pan.___", state 227, "(1)"
-	line 413, "pan.___", state 228, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 228, "else"
-	line 413, "pan.___", state 231, "(1)"
-	line 413, "pan.___", state 232, "(1)"
-	line 413, "pan.___", state 232, "(1)"
-	line 417, "pan.___", state 240, "(1)"
-	line 417, "pan.___", state 241, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 241, "else"
-	line 417, "pan.___", state 244, "(1)"
-	line 417, "pan.___", state 245, "(1)"
-	line 417, "pan.___", state 245, "(1)"
-	line 422, "pan.___", state 254, "(1)"
-	line 422, "pan.___", state 254, "(1)"
-	line 663, "pan.___", state 261, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 663, "pan.___", state 262, "(!((tmp&((1<<7)-1))))"
-	line 663, "pan.___", state 262, "else"
-	line 387, "pan.___", state 268, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 274, "(1)"
-	line 391, "pan.___", state 282, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 288, "(1)"
-	line 391, "pan.___", state 289, "(1)"
-	line 391, "pan.___", state 289, "(1)"
-	line 389, "pan.___", state 294, "((i<1))"
-	line 389, "pan.___", state 294, "((i>=1))"
-	line 396, "pan.___", state 300, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 306, "(1)"
-	line 396, "pan.___", state 307, "(1)"
-	line 396, "pan.___", state 307, "(1)"
-	line 400, "pan.___", state 314, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 320, "(1)"
-	line 400, "pan.___", state 321, "(1)"
-	line 400, "pan.___", state 321, "(1)"
-	line 398, "pan.___", state 326, "((i<2))"
-	line 398, "pan.___", state 326, "((i>=2))"
-	line 404, "pan.___", state 333, "(1)"
-	line 404, "pan.___", state 334, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 334, "else"
-	line 404, "pan.___", state 337, "(1)"
-	line 404, "pan.___", state 338, "(1)"
-	line 404, "pan.___", state 338, "(1)"
-	line 408, "pan.___", state 346, "(1)"
-	line 408, "pan.___", state 347, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 347, "else"
-	line 408, "pan.___", state 350, "(1)"
-	line 408, "pan.___", state 351, "(1)"
-	line 408, "pan.___", state 351, "(1)"
-	line 406, "pan.___", state 356, "((i<1))"
-	line 406, "pan.___", state 356, "((i>=1))"
-	line 413, "pan.___", state 363, "(1)"
-	line 413, "pan.___", state 364, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 364, "else"
-	line 413, "pan.___", state 367, "(1)"
-	line 413, "pan.___", state 368, "(1)"
-	line 413, "pan.___", state 368, "(1)"
-	line 417, "pan.___", state 376, "(1)"
-	line 417, "pan.___", state 377, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 377, "else"
-	line 417, "pan.___", state 380, "(1)"
-	line 417, "pan.___", state 381, "(1)"
-	line 417, "pan.___", state 381, "(1)"
-	line 422, "pan.___", state 390, "(1)"
-	line 422, "pan.___", state 390, "(1)"
-	line 387, "pan.___", state 397, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 403, "(1)"
-	line 391, "pan.___", state 411, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 417, "(1)"
-	line 391, "pan.___", state 418, "(1)"
-	line 391, "pan.___", state 418, "(1)"
-	line 389, "pan.___", state 423, "((i<1))"
-	line 389, "pan.___", state 423, "((i>=1))"
-	line 396, "pan.___", state 429, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 435, "(1)"
-	line 396, "pan.___", state 436, "(1)"
-	line 396, "pan.___", state 436, "(1)"
-	line 400, "pan.___", state 443, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 449, "(1)"
-	line 400, "pan.___", state 450, "(1)"
-	line 400, "pan.___", state 450, "(1)"
-	line 398, "pan.___", state 455, "((i<2))"
-	line 398, "pan.___", state 455, "((i>=2))"
-	line 404, "pan.___", state 462, "(1)"
-	line 404, "pan.___", state 463, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 463, "else"
-	line 404, "pan.___", state 466, "(1)"
-	line 404, "pan.___", state 467, "(1)"
-	line 404, "pan.___", state 467, "(1)"
-	line 408, "pan.___", state 475, "(1)"
-	line 408, "pan.___", state 476, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 476, "else"
-	line 408, "pan.___", state 479, "(1)"
-	line 408, "pan.___", state 480, "(1)"
-	line 408, "pan.___", state 480, "(1)"
-	line 406, "pan.___", state 485, "((i<1))"
-	line 406, "pan.___", state 485, "((i>=1))"
-	line 413, "pan.___", state 492, "(1)"
-	line 413, "pan.___", state 493, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 493, "else"
-	line 413, "pan.___", state 496, "(1)"
-	line 413, "pan.___", state 497, "(1)"
-	line 413, "pan.___", state 497, "(1)"
-	line 417, "pan.___", state 505, "(1)"
-	line 417, "pan.___", state 506, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 506, "else"
-	line 417, "pan.___", state 509, "(1)"
-	line 417, "pan.___", state 510, "(1)"
-	line 417, "pan.___", state 510, "(1)"
-	line 415, "pan.___", state 515, "((i<2))"
-	line 415, "pan.___", state 515, "((i>=2))"
-	line 422, "pan.___", state 519, "(1)"
-	line 422, "pan.___", state 519, "(1)"
-	line 387, "pan.___", state 528, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 530, "(1)"
-	line 387, "pan.___", state 531, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 531, "else"
-	line 387, "pan.___", state 534, "(1)"
-	line 391, "pan.___", state 542, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 544, "(1)"
-	line 391, "pan.___", state 545, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 545, "else"
-	line 391, "pan.___", state 548, "(1)"
-	line 391, "pan.___", state 549, "(1)"
-	line 391, "pan.___", state 549, "(1)"
-	line 389, "pan.___", state 554, "((i<1))"
-	line 389, "pan.___", state 554, "((i>=1))"
-	line 396, "pan.___", state 560, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 562, "(1)"
-	line 396, "pan.___", state 563, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 563, "else"
-	line 396, "pan.___", state 566, "(1)"
-	line 396, "pan.___", state 567, "(1)"
-	line 396, "pan.___", state 567, "(1)"
-	line 400, "pan.___", state 574, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 576, "(1)"
-	line 400, "pan.___", state 577, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 577, "else"
-	line 400, "pan.___", state 580, "(1)"
-	line 400, "pan.___", state 581, "(1)"
-	line 400, "pan.___", state 581, "(1)"
-	line 398, "pan.___", state 586, "((i<2))"
-	line 398, "pan.___", state 586, "((i>=2))"
-	line 404, "pan.___", state 593, "(1)"
-	line 404, "pan.___", state 594, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 594, "else"
-	line 404, "pan.___", state 597, "(1)"
-	line 404, "pan.___", state 598, "(1)"
-	line 404, "pan.___", state 598, "(1)"
-	line 408, "pan.___", state 606, "(1)"
-	line 408, "pan.___", state 607, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 607, "else"
-	line 408, "pan.___", state 610, "(1)"
-	line 408, "pan.___", state 611, "(1)"
-	line 408, "pan.___", state 611, "(1)"
-	line 406, "pan.___", state 616, "((i<1))"
-	line 406, "pan.___", state 616, "((i>=1))"
-	line 413, "pan.___", state 623, "(1)"
-	line 413, "pan.___", state 624, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 624, "else"
-	line 413, "pan.___", state 627, "(1)"
-	line 413, "pan.___", state 628, "(1)"
-	line 413, "pan.___", state 628, "(1)"
-	line 417, "pan.___", state 636, "(1)"
-	line 417, "pan.___", state 637, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 637, "else"
-	line 417, "pan.___", state 640, "(1)"
-	line 417, "pan.___", state 641, "(1)"
-	line 417, "pan.___", state 641, "(1)"
-	line 415, "pan.___", state 646, "((i<2))"
-	line 415, "pan.___", state 646, "((i>=2))"
-	line 422, "pan.___", state 650, "(1)"
-	line 422, "pan.___", state 650, "(1)"
-	line 663, "pan.___", state 653, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 663, "pan.___", state 654, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 663, "pan.___", state 655, "(1)"
-	line 387, "pan.___", state 662, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 668, "(1)"
-	line 391, "pan.___", state 678, "(1)"
-	line 391, "pan.___", state 679, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 679, "else"
-	line 391, "pan.___", state 682, "(1)"
-	line 391, "pan.___", state 683, "(1)"
-	line 391, "pan.___", state 683, "(1)"
-	line 389, "pan.___", state 688, "((i<1))"
-	line 389, "pan.___", state 688, "((i>=1))"
-	line 396, "pan.___", state 694, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 700, "(1)"
-	line 396, "pan.___", state 701, "(1)"
-	line 396, "pan.___", state 701, "(1)"
-	line 400, "pan.___", state 708, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 714, "(1)"
-	line 400, "pan.___", state 715, "(1)"
-	line 400, "pan.___", state 715, "(1)"
-	line 398, "pan.___", state 720, "((i<2))"
-	line 398, "pan.___", state 720, "((i>=2))"
-	line 404, "pan.___", state 727, "(1)"
-	line 404, "pan.___", state 728, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 728, "else"
-	line 404, "pan.___", state 731, "(1)"
-	line 404, "pan.___", state 732, "(1)"
-	line 404, "pan.___", state 732, "(1)"
-	line 408, "pan.___", state 740, "(1)"
-	line 408, "pan.___", state 741, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 741, "else"
-	line 408, "pan.___", state 744, "(1)"
-	line 408, "pan.___", state 745, "(1)"
-	line 408, "pan.___", state 745, "(1)"
-	line 406, "pan.___", state 750, "((i<1))"
-	line 406, "pan.___", state 750, "((i>=1))"
-	line 413, "pan.___", state 757, "(1)"
-	line 413, "pan.___", state 758, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 758, "else"
-	line 413, "pan.___", state 761, "(1)"
-	line 413, "pan.___", state 762, "(1)"
-	line 413, "pan.___", state 762, "(1)"
-	line 417, "pan.___", state 770, "(1)"
-	line 417, "pan.___", state 771, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 771, "else"
-	line 417, "pan.___", state 774, "(1)"
-	line 417, "pan.___", state 775, "(1)"
-	line 417, "pan.___", state 775, "(1)"
-	line 422, "pan.___", state 784, "(1)"
-	line 422, "pan.___", state 784, "(1)"
-	line 387, "pan.___", state 798, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 800, "(1)"
-	line 387, "pan.___", state 801, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 801, "else"
-	line 387, "pan.___", state 804, "(1)"
-	line 391, "pan.___", state 812, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 814, "(1)"
-	line 391, "pan.___", state 815, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 815, "else"
-	line 391, "pan.___", state 818, "(1)"
-	line 391, "pan.___", state 819, "(1)"
-	line 391, "pan.___", state 819, "(1)"
-	line 389, "pan.___", state 824, "((i<1))"
-	line 389, "pan.___", state 824, "((i>=1))"
-	line 396, "pan.___", state 830, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 832, "(1)"
-	line 396, "pan.___", state 833, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 833, "else"
-	line 396, "pan.___", state 836, "(1)"
-	line 396, "pan.___", state 837, "(1)"
-	line 396, "pan.___", state 837, "(1)"
-	line 400, "pan.___", state 844, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 846, "(1)"
-	line 400, "pan.___", state 847, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 847, "else"
-	line 400, "pan.___", state 850, "(1)"
-	line 400, "pan.___", state 851, "(1)"
-	line 400, "pan.___", state 851, "(1)"
-	line 398, "pan.___", state 856, "((i<2))"
-	line 398, "pan.___", state 856, "((i>=2))"
-	line 404, "pan.___", state 863, "(1)"
-	line 404, "pan.___", state 864, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 864, "else"
-	line 404, "pan.___", state 867, "(1)"
-	line 404, "pan.___", state 868, "(1)"
-	line 404, "pan.___", state 868, "(1)"
-	line 408, "pan.___", state 876, "(1)"
-	line 408, "pan.___", state 877, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 877, "else"
-	line 408, "pan.___", state 880, "(1)"
-	line 408, "pan.___", state 881, "(1)"
-	line 408, "pan.___", state 881, "(1)"
-	line 406, "pan.___", state 886, "((i<1))"
-	line 406, "pan.___", state 886, "((i>=1))"
-	line 413, "pan.___", state 893, "(1)"
-	line 413, "pan.___", state 894, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 894, "else"
-	line 413, "pan.___", state 897, "(1)"
-	line 413, "pan.___", state 898, "(1)"
-	line 413, "pan.___", state 898, "(1)"
-	line 417, "pan.___", state 906, "(1)"
-	line 417, "pan.___", state 907, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 907, "else"
-	line 417, "pan.___", state 910, "(1)"
-	line 417, "pan.___", state 911, "(1)"
-	line 417, "pan.___", state 911, "(1)"
-	line 422, "pan.___", state 920, "(1)"
-	line 422, "pan.___", state 920, "(1)"
-	line 387, "pan.___", state 927, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 929, "(1)"
-	line 387, "pan.___", state 930, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 930, "else"
-	line 387, "pan.___", state 933, "(1)"
-	line 391, "pan.___", state 941, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 943, "(1)"
-	line 391, "pan.___", state 944, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 944, "else"
-	line 391, "pan.___", state 947, "(1)"
-	line 391, "pan.___", state 948, "(1)"
-	line 391, "pan.___", state 948, "(1)"
-	line 389, "pan.___", state 953, "((i<1))"
-	line 389, "pan.___", state 953, "((i>=1))"
-	line 396, "pan.___", state 959, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 961, "(1)"
-	line 396, "pan.___", state 962, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 962, "else"
-	line 396, "pan.___", state 965, "(1)"
-	line 396, "pan.___", state 966, "(1)"
-	line 396, "pan.___", state 966, "(1)"
-	line 400, "pan.___", state 973, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 975, "(1)"
-	line 400, "pan.___", state 976, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 976, "else"
-	line 400, "pan.___", state 979, "(1)"
-	line 400, "pan.___", state 980, "(1)"
-	line 400, "pan.___", state 980, "(1)"
-	line 398, "pan.___", state 985, "((i<2))"
-	line 398, "pan.___", state 985, "((i>=2))"
-	line 404, "pan.___", state 992, "(1)"
-	line 404, "pan.___", state 993, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 993, "else"
-	line 404, "pan.___", state 996, "(1)"
-	line 404, "pan.___", state 997, "(1)"
-	line 404, "pan.___", state 997, "(1)"
-	line 408, "pan.___", state 1005, "(1)"
-	line 408, "pan.___", state 1006, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 1006, "else"
-	line 408, "pan.___", state 1009, "(1)"
-	line 408, "pan.___", state 1010, "(1)"
-	line 408, "pan.___", state 1010, "(1)"
-	line 406, "pan.___", state 1015, "((i<1))"
-	line 406, "pan.___", state 1015, "((i>=1))"
-	line 413, "pan.___", state 1022, "(1)"
-	line 413, "pan.___", state 1023, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 1023, "else"
-	line 413, "pan.___", state 1026, "(1)"
-	line 413, "pan.___", state 1027, "(1)"
-	line 413, "pan.___", state 1027, "(1)"
-	line 417, "pan.___", state 1035, "(1)"
-	line 417, "pan.___", state 1036, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 1036, "else"
-	line 417, "pan.___", state 1039, "(1)"
-	line 417, "pan.___", state 1040, "(1)"
-	line 417, "pan.___", state 1040, "(1)"
-	line 415, "pan.___", state 1045, "((i<2))"
-	line 415, "pan.___", state 1045, "((i>=2))"
-	line 422, "pan.___", state 1049, "(1)"
-	line 422, "pan.___", state 1049, "(1)"
-	line 671, "pan.___", state 1053, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 387, "pan.___", state 1058, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 1064, "(1)"
-	line 391, "pan.___", state 1072, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 1078, "(1)"
-	line 391, "pan.___", state 1079, "(1)"
-	line 391, "pan.___", state 1079, "(1)"
-	line 389, "pan.___", state 1084, "((i<1))"
-	line 389, "pan.___", state 1084, "((i>=1))"
-	line 396, "pan.___", state 1090, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1096, "(1)"
-	line 396, "pan.___", state 1097, "(1)"
-	line 396, "pan.___", state 1097, "(1)"
-	line 400, "pan.___", state 1104, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1110, "(1)"
-	line 400, "pan.___", state 1111, "(1)"
-	line 400, "pan.___", state 1111, "(1)"
-	line 398, "pan.___", state 1116, "((i<2))"
-	line 398, "pan.___", state 1116, "((i>=2))"
-	line 404, "pan.___", state 1123, "(1)"
-	line 404, "pan.___", state 1124, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 1124, "else"
-	line 404, "pan.___", state 1127, "(1)"
-	line 404, "pan.___", state 1128, "(1)"
-	line 404, "pan.___", state 1128, "(1)"
-	line 408, "pan.___", state 1136, "(1)"
-	line 408, "pan.___", state 1137, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 1137, "else"
-	line 408, "pan.___", state 1140, "(1)"
-	line 408, "pan.___", state 1141, "(1)"
-	line 408, "pan.___", state 1141, "(1)"
-	line 406, "pan.___", state 1146, "((i<1))"
-	line 406, "pan.___", state 1146, "((i>=1))"
-	line 413, "pan.___", state 1153, "(1)"
-	line 413, "pan.___", state 1154, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 1154, "else"
-	line 413, "pan.___", state 1157, "(1)"
-	line 413, "pan.___", state 1158, "(1)"
-	line 413, "pan.___", state 1158, "(1)"
-	line 417, "pan.___", state 1166, "(1)"
-	line 417, "pan.___", state 1167, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 1167, "else"
-	line 417, "pan.___", state 1170, "(1)"
-	line 417, "pan.___", state 1171, "(1)"
-	line 417, "pan.___", state 1171, "(1)"
-	line 415, "pan.___", state 1176, "((i<2))"
-	line 415, "pan.___", state 1176, "((i>=2))"
-	line 422, "pan.___", state 1180, "(1)"
-	line 422, "pan.___", state 1180, "(1)"
-	line 387, "pan.___", state 1190, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 1196, "(1)"
-	line 391, "pan.___", state 1206, "(1)"
-	line 391, "pan.___", state 1207, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 1207, "else"
-	line 391, "pan.___", state 1210, "(1)"
-	line 391, "pan.___", state 1211, "(1)"
-	line 391, "pan.___", state 1211, "(1)"
-	line 389, "pan.___", state 1216, "((i<1))"
-	line 389, "pan.___", state 1216, "((i>=1))"
-	line 396, "pan.___", state 1222, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1228, "(1)"
-	line 396, "pan.___", state 1229, "(1)"
-	line 396, "pan.___", state 1229, "(1)"
-	line 400, "pan.___", state 1236, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1242, "(1)"
-	line 400, "pan.___", state 1243, "(1)"
-	line 400, "pan.___", state 1243, "(1)"
-	line 398, "pan.___", state 1248, "((i<2))"
-	line 398, "pan.___", state 1248, "((i>=2))"
-	line 404, "pan.___", state 1255, "(1)"
-	line 404, "pan.___", state 1256, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 1256, "else"
-	line 404, "pan.___", state 1259, "(1)"
-	line 404, "pan.___", state 1260, "(1)"
-	line 404, "pan.___", state 1260, "(1)"
-	line 408, "pan.___", state 1268, "(1)"
-	line 408, "pan.___", state 1269, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 1269, "else"
-	line 408, "pan.___", state 1272, "(1)"
-	line 408, "pan.___", state 1273, "(1)"
-	line 408, "pan.___", state 1273, "(1)"
-	line 406, "pan.___", state 1278, "((i<1))"
-	line 406, "pan.___", state 1278, "((i>=1))"
-	line 413, "pan.___", state 1285, "(1)"
-	line 413, "pan.___", state 1286, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 1286, "else"
-	line 413, "pan.___", state 1289, "(1)"
-	line 413, "pan.___", state 1290, "(1)"
-	line 413, "pan.___", state 1290, "(1)"
-	line 417, "pan.___", state 1298, "(1)"
-	line 417, "pan.___", state 1299, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 1299, "else"
-	line 417, "pan.___", state 1302, "(1)"
-	line 417, "pan.___", state 1303, "(1)"
-	line 417, "pan.___", state 1303, "(1)"
-	line 422, "pan.___", state 1312, "(1)"
-	line 422, "pan.___", state 1312, "(1)"
-	line 387, "pan.___", state 1323, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 1329, "(1)"
-	line 391, "pan.___", state 1337, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 1343, "(1)"
-	line 391, "pan.___", state 1344, "(1)"
-	line 391, "pan.___", state 1344, "(1)"
-	line 389, "pan.___", state 1349, "((i<1))"
-	line 389, "pan.___", state 1349, "((i>=1))"
-	line 396, "pan.___", state 1355, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1361, "(1)"
-	line 396, "pan.___", state 1362, "(1)"
-	line 396, "pan.___", state 1362, "(1)"
-	line 400, "pan.___", state 1369, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1375, "(1)"
-	line 400, "pan.___", state 1376, "(1)"
-	line 400, "pan.___", state 1376, "(1)"
-	line 398, "pan.___", state 1381, "((i<2))"
-	line 398, "pan.___", state 1381, "((i>=2))"
-	line 404, "pan.___", state 1388, "(1)"
-	line 404, "pan.___", state 1389, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 1389, "else"
-	line 404, "pan.___", state 1392, "(1)"
-	line 404, "pan.___", state 1393, "(1)"
-	line 404, "pan.___", state 1393, "(1)"
-	line 408, "pan.___", state 1401, "(1)"
-	line 408, "pan.___", state 1402, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 1402, "else"
-	line 408, "pan.___", state 1405, "(1)"
-	line 408, "pan.___", state 1406, "(1)"
-	line 408, "pan.___", state 1406, "(1)"
-	line 406, "pan.___", state 1411, "((i<1))"
-	line 406, "pan.___", state 1411, "((i>=1))"
-	line 413, "pan.___", state 1418, "(1)"
-	line 413, "pan.___", state 1419, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 1419, "else"
-	line 413, "pan.___", state 1422, "(1)"
-	line 413, "pan.___", state 1423, "(1)"
-	line 413, "pan.___", state 1423, "(1)"
-	line 417, "pan.___", state 1431, "(1)"
-	line 417, "pan.___", state 1432, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 1432, "else"
-	line 417, "pan.___", state 1435, "(1)"
-	line 417, "pan.___", state 1436, "(1)"
-	line 417, "pan.___", state 1436, "(1)"
-	line 422, "pan.___", state 1445, "(1)"
-	line 422, "pan.___", state 1445, "(1)"
-	line 387, "pan.___", state 1452, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 1458, "(1)"
-	line 391, "pan.___", state 1466, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 1472, "(1)"
-	line 391, "pan.___", state 1473, "(1)"
-	line 391, "pan.___", state 1473, "(1)"
-	line 389, "pan.___", state 1478, "((i<1))"
-	line 389, "pan.___", state 1478, "((i>=1))"
-	line 396, "pan.___", state 1484, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1490, "(1)"
-	line 396, "pan.___", state 1491, "(1)"
-	line 396, "pan.___", state 1491, "(1)"
-	line 400, "pan.___", state 1498, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1504, "(1)"
-	line 400, "pan.___", state 1505, "(1)"
-	line 400, "pan.___", state 1505, "(1)"
-	line 398, "pan.___", state 1510, "((i<2))"
-	line 398, "pan.___", state 1510, "((i>=2))"
-	line 404, "pan.___", state 1517, "(1)"
-	line 404, "pan.___", state 1518, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 1518, "else"
-	line 404, "pan.___", state 1521, "(1)"
-	line 404, "pan.___", state 1522, "(1)"
-	line 404, "pan.___", state 1522, "(1)"
-	line 408, "pan.___", state 1530, "(1)"
-	line 408, "pan.___", state 1531, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 1531, "else"
-	line 408, "pan.___", state 1534, "(1)"
-	line 408, "pan.___", state 1535, "(1)"
-	line 408, "pan.___", state 1535, "(1)"
-	line 406, "pan.___", state 1540, "((i<1))"
-	line 406, "pan.___", state 1540, "((i>=1))"
-	line 413, "pan.___", state 1547, "(1)"
-	line 413, "pan.___", state 1548, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 1548, "else"
-	line 413, "pan.___", state 1551, "(1)"
-	line 413, "pan.___", state 1552, "(1)"
-	line 413, "pan.___", state 1552, "(1)"
-	line 417, "pan.___", state 1560, "(1)"
-	line 417, "pan.___", state 1561, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 1561, "else"
-	line 417, "pan.___", state 1564, "(1)"
-	line 417, "pan.___", state 1565, "(1)"
-	line 417, "pan.___", state 1565, "(1)"
-	line 415, "pan.___", state 1570, "((i<2))"
-	line 415, "pan.___", state 1570, "((i>=2))"
-	line 422, "pan.___", state 1574, "(1)"
-	line 422, "pan.___", state 1574, "(1)"
-	line 387, "pan.___", state 1586, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 1592, "(1)"
-	line 391, "pan.___", state 1602, "(1)"
-	line 391, "pan.___", state 1603, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 1603, "else"
-	line 391, "pan.___", state 1606, "(1)"
-	line 391, "pan.___", state 1607, "(1)"
-	line 391, "pan.___", state 1607, "(1)"
-	line 389, "pan.___", state 1612, "((i<1))"
-	line 389, "pan.___", state 1612, "((i>=1))"
-	line 396, "pan.___", state 1618, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1624, "(1)"
-	line 396, "pan.___", state 1625, "(1)"
-	line 396, "pan.___", state 1625, "(1)"
-	line 400, "pan.___", state 1632, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1638, "(1)"
-	line 400, "pan.___", state 1639, "(1)"
-	line 400, "pan.___", state 1639, "(1)"
-	line 398, "pan.___", state 1644, "((i<2))"
-	line 398, "pan.___", state 1644, "((i>=2))"
-	line 404, "pan.___", state 1651, "(1)"
-	line 404, "pan.___", state 1652, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 1652, "else"
-	line 404, "pan.___", state 1655, "(1)"
-	line 404, "pan.___", state 1656, "(1)"
-	line 404, "pan.___", state 1656, "(1)"
-	line 408, "pan.___", state 1664, "(1)"
-	line 408, "pan.___", state 1665, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 1665, "else"
-	line 408, "pan.___", state 1668, "(1)"
-	line 408, "pan.___", state 1669, "(1)"
-	line 408, "pan.___", state 1669, "(1)"
-	line 406, "pan.___", state 1674, "((i<1))"
-	line 406, "pan.___", state 1674, "((i>=1))"
-	line 413, "pan.___", state 1681, "(1)"
-	line 413, "pan.___", state 1682, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 1682, "else"
-	line 413, "pan.___", state 1685, "(1)"
-	line 413, "pan.___", state 1686, "(1)"
-	line 413, "pan.___", state 1686, "(1)"
-	line 417, "pan.___", state 1694, "(1)"
-	line 417, "pan.___", state 1695, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 1695, "else"
-	line 417, "pan.___", state 1698, "(1)"
-	line 417, "pan.___", state 1699, "(1)"
-	line 417, "pan.___", state 1699, "(1)"
-	line 422, "pan.___", state 1708, "(1)"
-	line 422, "pan.___", state 1708, "(1)"
-	line 387, "pan.___", state 1715, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 1721, "(1)"
-	line 391, "pan.___", state 1729, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 1735, "(1)"
-	line 391, "pan.___", state 1736, "(1)"
-	line 391, "pan.___", state 1736, "(1)"
-	line 389, "pan.___", state 1741, "((i<1))"
-	line 389, "pan.___", state 1741, "((i>=1))"
-	line 396, "pan.___", state 1747, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1753, "(1)"
-	line 396, "pan.___", state 1754, "(1)"
-	line 396, "pan.___", state 1754, "(1)"
-	line 400, "pan.___", state 1761, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1767, "(1)"
-	line 400, "pan.___", state 1768, "(1)"
-	line 400, "pan.___", state 1768, "(1)"
-	line 398, "pan.___", state 1773, "((i<2))"
-	line 398, "pan.___", state 1773, "((i>=2))"
-	line 404, "pan.___", state 1780, "(1)"
-	line 404, "pan.___", state 1781, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 1781, "else"
-	line 404, "pan.___", state 1784, "(1)"
-	line 404, "pan.___", state 1785, "(1)"
-	line 404, "pan.___", state 1785, "(1)"
-	line 408, "pan.___", state 1793, "(1)"
-	line 408, "pan.___", state 1794, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 1794, "else"
-	line 408, "pan.___", state 1797, "(1)"
-	line 408, "pan.___", state 1798, "(1)"
-	line 408, "pan.___", state 1798, "(1)"
-	line 406, "pan.___", state 1803, "((i<1))"
-	line 406, "pan.___", state 1803, "((i>=1))"
-	line 413, "pan.___", state 1810, "(1)"
-	line 413, "pan.___", state 1811, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 1811, "else"
-	line 413, "pan.___", state 1814, "(1)"
-	line 413, "pan.___", state 1815, "(1)"
-	line 413, "pan.___", state 1815, "(1)"
-	line 417, "pan.___", state 1823, "(1)"
-	line 417, "pan.___", state 1824, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 1824, "else"
-	line 417, "pan.___", state 1827, "(1)"
-	line 417, "pan.___", state 1828, "(1)"
-	line 417, "pan.___", state 1828, "(1)"
-	line 415, "pan.___", state 1833, "((i<2))"
-	line 415, "pan.___", state 1833, "((i>=2))"
-	line 422, "pan.___", state 1837, "(1)"
-	line 422, "pan.___", state 1837, "(1)"
-	line 387, "pan.___", state 1847, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 1853, "(1)"
-	line 391, "pan.___", state 1863, "(1)"
-	line 391, "pan.___", state 1864, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 1864, "else"
-	line 391, "pan.___", state 1867, "(1)"
-	line 391, "pan.___", state 1868, "(1)"
-	line 391, "pan.___", state 1868, "(1)"
-	line 389, "pan.___", state 1873, "((i<1))"
-	line 389, "pan.___", state 1873, "((i>=1))"
-	line 396, "pan.___", state 1879, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1885, "(1)"
-	line 396, "pan.___", state 1886, "(1)"
-	line 396, "pan.___", state 1886, "(1)"
-	line 400, "pan.___", state 1893, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1899, "(1)"
-	line 400, "pan.___", state 1900, "(1)"
-	line 400, "pan.___", state 1900, "(1)"
-	line 398, "pan.___", state 1905, "((i<2))"
-	line 398, "pan.___", state 1905, "((i>=2))"
-	line 404, "pan.___", state 1912, "(1)"
-	line 404, "pan.___", state 1913, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 1913, "else"
-	line 404, "pan.___", state 1916, "(1)"
-	line 404, "pan.___", state 1917, "(1)"
-	line 404, "pan.___", state 1917, "(1)"
-	line 408, "pan.___", state 1925, "(1)"
-	line 408, "pan.___", state 1926, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 1926, "else"
-	line 408, "pan.___", state 1929, "(1)"
-	line 408, "pan.___", state 1930, "(1)"
-	line 408, "pan.___", state 1930, "(1)"
-	line 406, "pan.___", state 1935, "((i<1))"
-	line 406, "pan.___", state 1935, "((i>=1))"
-	line 413, "pan.___", state 1942, "(1)"
-	line 413, "pan.___", state 1943, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 1943, "else"
-	line 413, "pan.___", state 1946, "(1)"
-	line 413, "pan.___", state 1947, "(1)"
-	line 413, "pan.___", state 1947, "(1)"
-	line 417, "pan.___", state 1955, "(1)"
-	line 417, "pan.___", state 1956, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 1956, "else"
-	line 417, "pan.___", state 1959, "(1)"
-	line 417, "pan.___", state 1960, "(1)"
-	line 417, "pan.___", state 1960, "(1)"
-	line 422, "pan.___", state 1969, "(1)"
-	line 422, "pan.___", state 1969, "(1)"
-	line 710, "pan.___", state 1976, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 710, "pan.___", state 1977, "(!((tmp&((1<<7)-1))))"
-	line 710, "pan.___", state 1977, "else"
-	line 387, "pan.___", state 1983, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 1989, "(1)"
-	line 391, "pan.___", state 1997, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 2003, "(1)"
-	line 391, "pan.___", state 2004, "(1)"
-	line 391, "pan.___", state 2004, "(1)"
-	line 389, "pan.___", state 2009, "((i<1))"
-	line 389, "pan.___", state 2009, "((i>=1))"
-	line 396, "pan.___", state 2015, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2021, "(1)"
-	line 396, "pan.___", state 2022, "(1)"
-	line 396, "pan.___", state 2022, "(1)"
-	line 400, "pan.___", state 2029, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2035, "(1)"
-	line 400, "pan.___", state 2036, "(1)"
-	line 400, "pan.___", state 2036, "(1)"
-	line 398, "pan.___", state 2041, "((i<2))"
-	line 398, "pan.___", state 2041, "((i>=2))"
-	line 404, "pan.___", state 2048, "(1)"
-	line 404, "pan.___", state 2049, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 2049, "else"
-	line 404, "pan.___", state 2052, "(1)"
-	line 404, "pan.___", state 2053, "(1)"
-	line 404, "pan.___", state 2053, "(1)"
-	line 408, "pan.___", state 2061, "(1)"
-	line 408, "pan.___", state 2062, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 2062, "else"
-	line 408, "pan.___", state 2065, "(1)"
-	line 408, "pan.___", state 2066, "(1)"
-	line 408, "pan.___", state 2066, "(1)"
-	line 406, "pan.___", state 2071, "((i<1))"
-	line 406, "pan.___", state 2071, "((i>=1))"
-	line 413, "pan.___", state 2078, "(1)"
-	line 413, "pan.___", state 2079, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 2079, "else"
-	line 413, "pan.___", state 2082, "(1)"
-	line 413, "pan.___", state 2083, "(1)"
-	line 413, "pan.___", state 2083, "(1)"
-	line 417, "pan.___", state 2091, "(1)"
-	line 417, "pan.___", state 2092, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 2092, "else"
-	line 417, "pan.___", state 2095, "(1)"
-	line 417, "pan.___", state 2096, "(1)"
-	line 417, "pan.___", state 2096, "(1)"
-	line 422, "pan.___", state 2105, "(1)"
-	line 422, "pan.___", state 2105, "(1)"
-	line 387, "pan.___", state 2112, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 2118, "(1)"
-	line 391, "pan.___", state 2126, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 2132, "(1)"
-	line 391, "pan.___", state 2133, "(1)"
-	line 391, "pan.___", state 2133, "(1)"
-	line 389, "pan.___", state 2138, "((i<1))"
-	line 389, "pan.___", state 2138, "((i>=1))"
-	line 396, "pan.___", state 2144, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2150, "(1)"
-	line 396, "pan.___", state 2151, "(1)"
-	line 396, "pan.___", state 2151, "(1)"
-	line 400, "pan.___", state 2158, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2164, "(1)"
-	line 400, "pan.___", state 2165, "(1)"
-	line 400, "pan.___", state 2165, "(1)"
-	line 398, "pan.___", state 2170, "((i<2))"
-	line 398, "pan.___", state 2170, "((i>=2))"
-	line 404, "pan.___", state 2177, "(1)"
-	line 404, "pan.___", state 2178, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 2178, "else"
-	line 404, "pan.___", state 2181, "(1)"
-	line 404, "pan.___", state 2182, "(1)"
-	line 404, "pan.___", state 2182, "(1)"
-	line 408, "pan.___", state 2190, "(1)"
-	line 408, "pan.___", state 2191, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 2191, "else"
-	line 408, "pan.___", state 2194, "(1)"
-	line 408, "pan.___", state 2195, "(1)"
-	line 408, "pan.___", state 2195, "(1)"
-	line 406, "pan.___", state 2200, "((i<1))"
-	line 406, "pan.___", state 2200, "((i>=1))"
-	line 413, "pan.___", state 2207, "(1)"
-	line 413, "pan.___", state 2208, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 2208, "else"
-	line 413, "pan.___", state 2211, "(1)"
-	line 413, "pan.___", state 2212, "(1)"
-	line 413, "pan.___", state 2212, "(1)"
-	line 417, "pan.___", state 2220, "(1)"
-	line 417, "pan.___", state 2221, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 2221, "else"
-	line 417, "pan.___", state 2224, "(1)"
-	line 417, "pan.___", state 2225, "(1)"
-	line 417, "pan.___", state 2225, "(1)"
-	line 415, "pan.___", state 2230, "((i<2))"
-	line 415, "pan.___", state 2230, "((i>=2))"
-	line 422, "pan.___", state 2234, "(1)"
-	line 422, "pan.___", state 2234, "(1)"
-	line 387, "pan.___", state 2243, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 2245, "(1)"
-	line 387, "pan.___", state 2246, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 2246, "else"
-	line 387, "pan.___", state 2249, "(1)"
-	line 391, "pan.___", state 2257, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 2259, "(1)"
-	line 391, "pan.___", state 2260, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 2260, "else"
-	line 391, "pan.___", state 2263, "(1)"
-	line 391, "pan.___", state 2264, "(1)"
-	line 391, "pan.___", state 2264, "(1)"
-	line 389, "pan.___", state 2269, "((i<1))"
-	line 389, "pan.___", state 2269, "((i>=1))"
-	line 396, "pan.___", state 2275, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2277, "(1)"
-	line 396, "pan.___", state 2278, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 2278, "else"
-	line 396, "pan.___", state 2281, "(1)"
-	line 396, "pan.___", state 2282, "(1)"
-	line 396, "pan.___", state 2282, "(1)"
-	line 400, "pan.___", state 2289, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2291, "(1)"
-	line 400, "pan.___", state 2292, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 2292, "else"
-	line 400, "pan.___", state 2295, "(1)"
-	line 400, "pan.___", state 2296, "(1)"
-	line 400, "pan.___", state 2296, "(1)"
-	line 398, "pan.___", state 2301, "((i<2))"
-	line 398, "pan.___", state 2301, "((i>=2))"
-	line 404, "pan.___", state 2308, "(1)"
-	line 404, "pan.___", state 2309, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 2309, "else"
-	line 404, "pan.___", state 2312, "(1)"
-	line 404, "pan.___", state 2313, "(1)"
-	line 404, "pan.___", state 2313, "(1)"
-	line 408, "pan.___", state 2321, "(1)"
-	line 408, "pan.___", state 2322, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 2322, "else"
-	line 408, "pan.___", state 2325, "(1)"
-	line 408, "pan.___", state 2326, "(1)"
-	line 408, "pan.___", state 2326, "(1)"
-	line 406, "pan.___", state 2331, "((i<1))"
-	line 406, "pan.___", state 2331, "((i>=1))"
-	line 413, "pan.___", state 2338, "(1)"
-	line 413, "pan.___", state 2339, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 2339, "else"
-	line 413, "pan.___", state 2342, "(1)"
-	line 413, "pan.___", state 2343, "(1)"
-	line 413, "pan.___", state 2343, "(1)"
-	line 417, "pan.___", state 2351, "(1)"
-	line 417, "pan.___", state 2352, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 2352, "else"
-	line 417, "pan.___", state 2355, "(1)"
-	line 417, "pan.___", state 2356, "(1)"
-	line 417, "pan.___", state 2356, "(1)"
-	line 415, "pan.___", state 2361, "((i<2))"
-	line 415, "pan.___", state 2361, "((i>=2))"
-	line 422, "pan.___", state 2365, "(1)"
-	line 422, "pan.___", state 2365, "(1)"
-	line 710, "pan.___", state 2368, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 710, "pan.___", state 2369, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 710, "pan.___", state 2370, "(1)"
-	line 387, "pan.___", state 2377, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 2383, "(1)"
-	line 391, "pan.___", state 2393, "(1)"
-	line 391, "pan.___", state 2394, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 2394, "else"
-	line 391, "pan.___", state 2397, "(1)"
-	line 391, "pan.___", state 2398, "(1)"
-	line 391, "pan.___", state 2398, "(1)"
-	line 389, "pan.___", state 2403, "((i<1))"
-	line 389, "pan.___", state 2403, "((i>=1))"
-	line 396, "pan.___", state 2409, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2415, "(1)"
-	line 396, "pan.___", state 2416, "(1)"
-	line 396, "pan.___", state 2416, "(1)"
-	line 400, "pan.___", state 2423, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2429, "(1)"
-	line 400, "pan.___", state 2430, "(1)"
-	line 400, "pan.___", state 2430, "(1)"
-	line 398, "pan.___", state 2435, "((i<2))"
-	line 398, "pan.___", state 2435, "((i>=2))"
-	line 404, "pan.___", state 2442, "(1)"
-	line 404, "pan.___", state 2443, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 2443, "else"
-	line 404, "pan.___", state 2446, "(1)"
-	line 404, "pan.___", state 2447, "(1)"
-	line 404, "pan.___", state 2447, "(1)"
-	line 408, "pan.___", state 2455, "(1)"
-	line 408, "pan.___", state 2456, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 2456, "else"
-	line 408, "pan.___", state 2459, "(1)"
-	line 408, "pan.___", state 2460, "(1)"
-	line 408, "pan.___", state 2460, "(1)"
-	line 406, "pan.___", state 2465, "((i<1))"
-	line 406, "pan.___", state 2465, "((i>=1))"
-	line 413, "pan.___", state 2472, "(1)"
-	line 413, "pan.___", state 2473, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 2473, "else"
-	line 413, "pan.___", state 2476, "(1)"
-	line 413, "pan.___", state 2477, "(1)"
-	line 413, "pan.___", state 2477, "(1)"
-	line 417, "pan.___", state 2485, "(1)"
-	line 417, "pan.___", state 2486, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 2486, "else"
-	line 417, "pan.___", state 2489, "(1)"
-	line 417, "pan.___", state 2490, "(1)"
-	line 417, "pan.___", state 2490, "(1)"
-	line 422, "pan.___", state 2499, "(1)"
-	line 422, "pan.___", state 2499, "(1)"
-	line 387, "pan.___", state 2512, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 2526, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2544, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2558, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2577, "(1)"
-	line 408, "pan.___", state 2590, "(1)"
-	line 413, "pan.___", state 2607, "(1)"
-	line 417, "pan.___", state 2620, "(1)"
-	line 387, "pan.___", state 2641, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 2655, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2673, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2687, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2706, "(1)"
-	line 408, "pan.___", state 2719, "(1)"
-	line 413, "pan.___", state 2736, "(1)"
-	line 417, "pan.___", state 2749, "(1)"
-	line 227, "pan.___", state 2782, "(1)"
-	line 231, "pan.___", state 2790, "(1)"
-	line 231, "pan.___", state 2791, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 2791, "else"
-	line 229, "pan.___", state 2796, "((i<1))"
-	line 229, "pan.___", state 2796, "((i>=1))"
-	line 235, "pan.___", state 2802, "(1)"
-	line 235, "pan.___", state 2803, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 2803, "else"
-	line 239, "pan.___", state 2810, "(1)"
-	line 239, "pan.___", state 2811, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 2811, "else"
-	line 244, "pan.___", state 2820, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 2820, "else"
-	line 227, "pan.___", state 2825, "(1)"
-	line 231, "pan.___", state 2833, "(1)"
-	line 235, "pan.___", state 2845, "(1)"
-	line 239, "pan.___", state 2853, "(1)"
-	line 870, "pan.___", state 2870, "-end-"
-	(659 of 2870 states)
-unreached in proctype urcu_writer
-	line 387, "pan.___", state 18, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 32, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 50, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 83, "(1)"
-	line 408, "pan.___", state 96, "(1)"
-	line 413, "pan.___", state 113, "(1)"
-	line 417, "pan.___", state 126, "(1)"
-	line 250, "pan.___", state 149, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 158, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 171, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 211, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 217, "(1)"
-	line 391, "pan.___", state 225, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 231, "(1)"
-	line 391, "pan.___", state 232, "(1)"
-	line 391, "pan.___", state 232, "(1)"
-	line 389, "pan.___", state 237, "((i<1))"
-	line 389, "pan.___", state 237, "((i>=1))"
-	line 396, "pan.___", state 243, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 249, "(1)"
-	line 396, "pan.___", state 250, "(1)"
-	line 396, "pan.___", state 250, "(1)"
-	line 400, "pan.___", state 257, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 263, "(1)"
-	line 400, "pan.___", state 264, "(1)"
-	line 400, "pan.___", state 264, "(1)"
-	line 398, "pan.___", state 269, "((i<2))"
-	line 398, "pan.___", state 269, "((i>=2))"
-	line 404, "pan.___", state 276, "(1)"
-	line 404, "pan.___", state 277, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 277, "else"
-	line 404, "pan.___", state 280, "(1)"
-	line 404, "pan.___", state 281, "(1)"
-	line 404, "pan.___", state 281, "(1)"
-	line 408, "pan.___", state 289, "(1)"
-	line 408, "pan.___", state 290, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 290, "else"
-	line 408, "pan.___", state 293, "(1)"
-	line 408, "pan.___", state 294, "(1)"
-	line 408, "pan.___", state 294, "(1)"
-	line 406, "pan.___", state 299, "((i<1))"
-	line 406, "pan.___", state 299, "((i>=1))"
-	line 413, "pan.___", state 306, "(1)"
-	line 413, "pan.___", state 307, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 307, "else"
-	line 413, "pan.___", state 310, "(1)"
-	line 413, "pan.___", state 311, "(1)"
-	line 413, "pan.___", state 311, "(1)"
-	line 417, "pan.___", state 319, "(1)"
-	line 417, "pan.___", state 320, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 320, "else"
-	line 417, "pan.___", state 323, "(1)"
-	line 417, "pan.___", state 324, "(1)"
-	line 417, "pan.___", state 324, "(1)"
-	line 415, "pan.___", state 329, "((i<2))"
-	line 415, "pan.___", state 329, "((i>=2))"
-	line 422, "pan.___", state 333, "(1)"
-	line 422, "pan.___", state 333, "(1)"
-	line 387, "pan.___", state 344, "(1)"
-	line 387, "pan.___", state 345, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 345, "else"
-	line 387, "pan.___", state 348, "(1)"
-	line 391, "pan.___", state 356, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 362, "(1)"
-	line 391, "pan.___", state 363, "(1)"
-	line 391, "pan.___", state 363, "(1)"
-	line 389, "pan.___", state 368, "((i<1))"
-	line 389, "pan.___", state 368, "((i>=1))"
-	line 396, "pan.___", state 374, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 380, "(1)"
-	line 396, "pan.___", state 381, "(1)"
-	line 396, "pan.___", state 381, "(1)"
-	line 400, "pan.___", state 388, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 394, "(1)"
-	line 400, "pan.___", state 395, "(1)"
-	line 400, "pan.___", state 395, "(1)"
-	line 398, "pan.___", state 400, "((i<2))"
-	line 398, "pan.___", state 400, "((i>=2))"
-	line 404, "pan.___", state 407, "(1)"
-	line 404, "pan.___", state 408, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 408, "else"
-	line 404, "pan.___", state 411, "(1)"
-	line 404, "pan.___", state 412, "(1)"
-	line 404, "pan.___", state 412, "(1)"
-	line 408, "pan.___", state 420, "(1)"
-	line 408, "pan.___", state 421, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 421, "else"
-	line 408, "pan.___", state 424, "(1)"
-	line 408, "pan.___", state 425, "(1)"
-	line 408, "pan.___", state 425, "(1)"
-	line 406, "pan.___", state 430, "((i<1))"
-	line 406, "pan.___", state 430, "((i>=1))"
-	line 413, "pan.___", state 437, "(1)"
-	line 413, "pan.___", state 438, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 438, "else"
-	line 413, "pan.___", state 441, "(1)"
-	line 413, "pan.___", state 442, "(1)"
-	line 413, "pan.___", state 442, "(1)"
-	line 417, "pan.___", state 450, "(1)"
-	line 417, "pan.___", state 451, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 451, "else"
-	line 417, "pan.___", state 454, "(1)"
-	line 417, "pan.___", state 455, "(1)"
-	line 417, "pan.___", state 455, "(1)"
-	line 415, "pan.___", state 460, "((i<2))"
-	line 415, "pan.___", state 460, "((i>=2))"
-	line 422, "pan.___", state 464, "(1)"
-	line 422, "pan.___", state 464, "(1)"
-	line 1056, "pan.___", state 475, "_proc_urcu_writer = (_proc_urcu_writer&~(((1<<8)|(1<<7))))"
-	line 387, "pan.___", state 480, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 486, "(1)"
-	line 391, "pan.___", state 494, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 500, "(1)"
-	line 391, "pan.___", state 501, "(1)"
-	line 391, "pan.___", state 501, "(1)"
-	line 389, "pan.___", state 506, "((i<1))"
-	line 389, "pan.___", state 506, "((i>=1))"
-	line 396, "pan.___", state 512, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 518, "(1)"
-	line 396, "pan.___", state 519, "(1)"
-	line 396, "pan.___", state 519, "(1)"
-	line 400, "pan.___", state 526, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 532, "(1)"
-	line 400, "pan.___", state 533, "(1)"
-	line 400, "pan.___", state 533, "(1)"
-	line 398, "pan.___", state 538, "((i<2))"
-	line 398, "pan.___", state 538, "((i>=2))"
-	line 404, "pan.___", state 545, "(1)"
-	line 404, "pan.___", state 546, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 546, "else"
-	line 404, "pan.___", state 549, "(1)"
-	line 404, "pan.___", state 550, "(1)"
-	line 404, "pan.___", state 550, "(1)"
-	line 408, "pan.___", state 558, "(1)"
-	line 408, "pan.___", state 559, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 559, "else"
-	line 408, "pan.___", state 562, "(1)"
-	line 408, "pan.___", state 563, "(1)"
-	line 408, "pan.___", state 563, "(1)"
-	line 406, "pan.___", state 568, "((i<1))"
-	line 406, "pan.___", state 568, "((i>=1))"
-	line 413, "pan.___", state 575, "(1)"
-	line 413, "pan.___", state 576, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 576, "else"
-	line 413, "pan.___", state 579, "(1)"
-	line 413, "pan.___", state 580, "(1)"
-	line 413, "pan.___", state 580, "(1)"
-	line 417, "pan.___", state 588, "(1)"
-	line 417, "pan.___", state 589, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 589, "else"
-	line 417, "pan.___", state 592, "(1)"
-	line 417, "pan.___", state 593, "(1)"
-	line 417, "pan.___", state 593, "(1)"
-	line 422, "pan.___", state 602, "(1)"
-	line 422, "pan.___", state 602, "(1)"
-	line 387, "pan.___", state 609, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 615, "(1)"
-	line 391, "pan.___", state 623, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 629, "(1)"
-	line 391, "pan.___", state 630, "(1)"
-	line 391, "pan.___", state 630, "(1)"
-	line 389, "pan.___", state 635, "((i<1))"
-	line 389, "pan.___", state 635, "((i>=1))"
-	line 396, "pan.___", state 641, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 647, "(1)"
-	line 396, "pan.___", state 648, "(1)"
-	line 396, "pan.___", state 648, "(1)"
-	line 400, "pan.___", state 655, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 661, "(1)"
-	line 400, "pan.___", state 662, "(1)"
-	line 400, "pan.___", state 662, "(1)"
-	line 398, "pan.___", state 667, "((i<2))"
-	line 398, "pan.___", state 667, "((i>=2))"
-	line 404, "pan.___", state 674, "(1)"
-	line 404, "pan.___", state 675, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 675, "else"
-	line 404, "pan.___", state 678, "(1)"
-	line 404, "pan.___", state 679, "(1)"
-	line 404, "pan.___", state 679, "(1)"
-	line 408, "pan.___", state 687, "(1)"
-	line 408, "pan.___", state 688, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 688, "else"
-	line 408, "pan.___", state 691, "(1)"
-	line 408, "pan.___", state 692, "(1)"
-	line 408, "pan.___", state 692, "(1)"
-	line 406, "pan.___", state 697, "((i<1))"
-	line 406, "pan.___", state 697, "((i>=1))"
-	line 413, "pan.___", state 704, "(1)"
-	line 413, "pan.___", state 705, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 705, "else"
-	line 413, "pan.___", state 708, "(1)"
-	line 413, "pan.___", state 709, "(1)"
-	line 413, "pan.___", state 709, "(1)"
-	line 417, "pan.___", state 717, "(1)"
-	line 417, "pan.___", state 718, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 718, "else"
-	line 417, "pan.___", state 721, "(1)"
-	line 417, "pan.___", state 722, "(1)"
-	line 417, "pan.___", state 722, "(1)"
-	line 415, "pan.___", state 727, "((i<2))"
-	line 415, "pan.___", state 727, "((i>=2))"
-	line 422, "pan.___", state 731, "(1)"
-	line 422, "pan.___", state 731, "(1)"
-	line 387, "pan.___", state 742, "(1)"
-	line 387, "pan.___", state 743, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 743, "else"
-	line 387, "pan.___", state 746, "(1)"
-	line 391, "pan.___", state 754, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 760, "(1)"
-	line 391, "pan.___", state 761, "(1)"
-	line 391, "pan.___", state 761, "(1)"
-	line 389, "pan.___", state 766, "((i<1))"
-	line 389, "pan.___", state 766, "((i>=1))"
-	line 396, "pan.___", state 772, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 778, "(1)"
-	line 396, "pan.___", state 779, "(1)"
-	line 396, "pan.___", state 779, "(1)"
-	line 400, "pan.___", state 786, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 792, "(1)"
-	line 400, "pan.___", state 793, "(1)"
-	line 400, "pan.___", state 793, "(1)"
-	line 398, "pan.___", state 798, "((i<2))"
-	line 398, "pan.___", state 798, "((i>=2))"
-	line 404, "pan.___", state 805, "(1)"
-	line 404, "pan.___", state 806, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 806, "else"
-	line 404, "pan.___", state 809, "(1)"
-	line 404, "pan.___", state 810, "(1)"
-	line 404, "pan.___", state 810, "(1)"
-	line 408, "pan.___", state 818, "(1)"
-	line 408, "pan.___", state 819, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 819, "else"
-	line 408, "pan.___", state 822, "(1)"
-	line 408, "pan.___", state 823, "(1)"
-	line 408, "pan.___", state 823, "(1)"
-	line 406, "pan.___", state 828, "((i<1))"
-	line 406, "pan.___", state 828, "((i>=1))"
-	line 413, "pan.___", state 835, "(1)"
-	line 413, "pan.___", state 836, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 836, "else"
-	line 413, "pan.___", state 839, "(1)"
-	line 413, "pan.___", state 840, "(1)"
-	line 413, "pan.___", state 840, "(1)"
-	line 417, "pan.___", state 848, "(1)"
-	line 417, "pan.___", state 849, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 849, "else"
-	line 417, "pan.___", state 852, "(1)"
-	line 417, "pan.___", state 853, "(1)"
-	line 417, "pan.___", state 853, "(1)"
-	line 415, "pan.___", state 858, "((i<2))"
-	line 415, "pan.___", state 858, "((i>=2))"
-	line 422, "pan.___", state 862, "(1)"
-	line 422, "pan.___", state 862, "(1)"
-	line 1113, "pan.___", state 872, "_proc_urcu_writer = (_proc_urcu_writer&~(((1<<12)|(1<<11))))"
-	line 250, "pan.___", state 903, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 912, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 927, "(1)"
-	line 262, "pan.___", state 934, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 950, "(1)"
-	line 231, "pan.___", state 958, "(1)"
-	line 235, "pan.___", state 970, "(1)"
-	line 239, "pan.___", state 978, "(1)"
-	line 250, "pan.___", state 1009, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1018, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 252, "pan.___", state 1026, "((i<1))"
-	line 252, "pan.___", state 1026, "((i>=1))"
-	line 258, "pan.___", state 1031, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1040, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 260, "pan.___", state 1048, "((i<2))"
-	line 260, "pan.___", state 1048, "((i>=2))"
-	line 227, "pan.___", state 1056, "(1)"
-	line 231, "pan.___", state 1064, "(1)"
-	line 231, "pan.___", state 1065, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1065, "else"
-	line 229, "pan.___", state 1070, "((i<1))"
-	line 229, "pan.___", state 1070, "((i>=1))"
-	line 235, "pan.___", state 1076, "(1)"
-	line 235, "pan.___", state 1077, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1077, "else"
-	line 239, "pan.___", state 1084, "(1)"
-	line 239, "pan.___", state 1085, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1085, "else"
-	line 244, "pan.___", state 1094, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1094, "else"
-	line 250, "pan.___", state 1101, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 1103, "(1)"
-	line 254, "pan.___", state 1110, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1112, "(1)"
-	line 254, "pan.___", state 1113, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 1113, "else"
-	line 252, "pan.___", state 1118, "((i<1))"
-	line 252, "pan.___", state 1118, "((i>=1))"
-	line 258, "pan.___", state 1123, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1125, "(1)"
-	line 258, "pan.___", state 1126, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 1126, "else"
-	line 262, "pan.___", state 1132, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1134, "(1)"
-	line 262, "pan.___", state 1135, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 1135, "else"
-	line 260, "pan.___", state 1140, "((i<2))"
-	line 260, "pan.___", state 1140, "((i>=2))"
-	line 227, "pan.___", state 1148, "(1)"
-	line 231, "pan.___", state 1156, "(1)"
-	line 231, "pan.___", state 1157, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1157, "else"
-	line 229, "pan.___", state 1162, "((i<1))"
-	line 229, "pan.___", state 1162, "((i>=1))"
-	line 235, "pan.___", state 1168, "(1)"
-	line 235, "pan.___", state 1169, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1169, "else"
-	line 239, "pan.___", state 1176, "(1)"
-	line 239, "pan.___", state 1177, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1177, "else"
-	line 244, "pan.___", state 1186, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1186, "else"
-	line 1180, "pan.___", state 1189, "i = 0"
-	line 1180, "pan.___", state 1191, "reader_barrier = 1"
-	line 1180, "pan.___", state 1202, "((i<1))"
-	line 1180, "pan.___", state 1202, "((i>=1))"
-	line 250, "pan.___", state 1207, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 1209, "(1)"
-	line 254, "pan.___", state 1216, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1218, "(1)"
-	line 254, "pan.___", state 1219, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 1219, "else"
-	line 252, "pan.___", state 1224, "((i<1))"
-	line 252, "pan.___", state 1224, "((i>=1))"
-	line 258, "pan.___", state 1229, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1231, "(1)"
-	line 258, "pan.___", state 1232, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 1232, "else"
-	line 262, "pan.___", state 1238, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1240, "(1)"
-	line 262, "pan.___", state 1241, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 1241, "else"
-	line 260, "pan.___", state 1246, "((i<2))"
-	line 260, "pan.___", state 1246, "((i>=2))"
-	line 227, "pan.___", state 1254, "(1)"
-	line 231, "pan.___", state 1262, "(1)"
-	line 231, "pan.___", state 1263, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1263, "else"
-	line 229, "pan.___", state 1268, "((i<1))"
-	line 229, "pan.___", state 1268, "((i>=1))"
-	line 235, "pan.___", state 1274, "(1)"
-	line 235, "pan.___", state 1275, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1275, "else"
-	line 239, "pan.___", state 1282, "(1)"
-	line 239, "pan.___", state 1283, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1283, "else"
-	line 244, "pan.___", state 1292, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1292, "else"
-	line 277, "pan.___", state 1294, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 277, "pan.___", state 1294, "else"
-	line 1180, "pan.___", state 1295, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 1180, "pan.___", state 1295, "else"
-	line 250, "pan.___", state 1299, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 1301, "(1)"
-	line 254, "pan.___", state 1308, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1310, "(1)"
-	line 254, "pan.___", state 1311, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 1311, "else"
-	line 252, "pan.___", state 1316, "((i<1))"
-	line 252, "pan.___", state 1316, "((i>=1))"
-	line 258, "pan.___", state 1321, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1323, "(1)"
-	line 258, "pan.___", state 1324, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 1324, "else"
-	line 262, "pan.___", state 1330, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1332, "(1)"
-	line 262, "pan.___", state 1333, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 1333, "else"
-	line 260, "pan.___", state 1338, "((i<2))"
-	line 260, "pan.___", state 1338, "((i>=2))"
-	line 227, "pan.___", state 1346, "(1)"
-	line 231, "pan.___", state 1354, "(1)"
-	line 231, "pan.___", state 1355, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1355, "else"
-	line 229, "pan.___", state 1360, "((i<1))"
-	line 229, "pan.___", state 1360, "((i>=1))"
-	line 235, "pan.___", state 1366, "(1)"
-	line 235, "pan.___", state 1367, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1367, "else"
-	line 239, "pan.___", state 1374, "(1)"
-	line 239, "pan.___", state 1375, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1375, "else"
-	line 244, "pan.___", state 1384, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1384, "else"
-	line 1183, "pan.___", state 1387, "i = 0"
-	line 1183, "pan.___", state 1389, "reader_barrier = 1"
-	line 1183, "pan.___", state 1400, "((i<1))"
-	line 1183, "pan.___", state 1400, "((i>=1))"
-	line 250, "pan.___", state 1405, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 1407, "(1)"
-	line 254, "pan.___", state 1414, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1416, "(1)"
-	line 254, "pan.___", state 1417, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 1417, "else"
-	line 252, "pan.___", state 1422, "((i<1))"
-	line 252, "pan.___", state 1422, "((i>=1))"
-	line 258, "pan.___", state 1427, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1429, "(1)"
-	line 258, "pan.___", state 1430, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 1430, "else"
-	line 262, "pan.___", state 1436, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1438, "(1)"
-	line 262, "pan.___", state 1439, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 1439, "else"
-	line 260, "pan.___", state 1444, "((i<2))"
-	line 260, "pan.___", state 1444, "((i>=2))"
-	line 227, "pan.___", state 1452, "(1)"
-	line 231, "pan.___", state 1460, "(1)"
-	line 231, "pan.___", state 1461, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1461, "else"
-	line 229, "pan.___", state 1466, "((i<1))"
-	line 229, "pan.___", state 1466, "((i>=1))"
-	line 235, "pan.___", state 1472, "(1)"
-	line 235, "pan.___", state 1473, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1473, "else"
-	line 239, "pan.___", state 1480, "(1)"
-	line 239, "pan.___", state 1481, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1481, "else"
-	line 244, "pan.___", state 1490, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1490, "else"
-	line 277, "pan.___", state 1492, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 277, "pan.___", state 1492, "else"
-	line 1183, "pan.___", state 1493, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 1183, "pan.___", state 1493, "else"
-	line 250, "pan.___", state 1497, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1506, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 252, "pan.___", state 1514, "((i<1))"
-	line 252, "pan.___", state 1514, "((i>=1))"
-	line 258, "pan.___", state 1519, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1528, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 260, "pan.___", state 1536, "((i<2))"
-	line 260, "pan.___", state 1536, "((i>=2))"
-	line 227, "pan.___", state 1544, "(1)"
-	line 231, "pan.___", state 1552, "(1)"
-	line 231, "pan.___", state 1553, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1553, "else"
-	line 229, "pan.___", state 1558, "((i<1))"
-	line 229, "pan.___", state 1558, "((i>=1))"
-	line 235, "pan.___", state 1564, "(1)"
-	line 235, "pan.___", state 1565, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1565, "else"
-	line 239, "pan.___", state 1572, "(1)"
-	line 239, "pan.___", state 1573, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1573, "else"
-	line 244, "pan.___", state 1582, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1582, "else"
-	line 1187, "pan.___", state 1585, "i = 0"
-	line 1187, "pan.___", state 1587, "reader_barrier = 1"
-	line 1187, "pan.___", state 1598, "((i<1))"
-	line 1187, "pan.___", state 1598, "((i>=1))"
-	line 250, "pan.___", state 1603, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1612, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 252, "pan.___", state 1620, "((i<1))"
-	line 252, "pan.___", state 1620, "((i>=1))"
-	line 258, "pan.___", state 1625, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1634, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 260, "pan.___", state 1642, "((i<2))"
-	line 260, "pan.___", state 1642, "((i>=2))"
-	line 227, "pan.___", state 1650, "(1)"
-	line 231, "pan.___", state 1658, "(1)"
-	line 231, "pan.___", state 1659, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1659, "else"
-	line 229, "pan.___", state 1664, "((i<1))"
-	line 229, "pan.___", state 1664, "((i>=1))"
-	line 235, "pan.___", state 1670, "(1)"
-	line 235, "pan.___", state 1671, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1671, "else"
-	line 239, "pan.___", state 1678, "(1)"
-	line 239, "pan.___", state 1679, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1679, "else"
-	line 244, "pan.___", state 1688, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1688, "else"
-	line 1191, "pan.___", state 1694, "-end-"
-	(328 of 1694 states)
-unreached in proctype :init:
-	(0 of 78 states)
-unreached in proctype :never:
-	line 1252, "pan.___", state 11, "-end-"
-	(1 of 11 states)
-
-pan: elapsed time 0.03 seconds
-pan: rate 32966.667 states/second
-pan: avg transition delay 1.6739e-06 usec
-cp .input.spin urcu_progress_reader.spin.input
-cp .input.spin.trail urcu_progress_reader.spin.input.trail
-make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_reader.spin.input b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_reader.spin.input
deleted file mode 100644
index 9f350f2..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_reader.spin.input
+++ /dev/null
@@ -1,1227 +0,0 @@
-#define READER_PROGRESS
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/* We choose to ignore writer's non-progress caused from the
-		 * reader ignoring the writer's mb() requests */
-#ifdef WRITER_PROGRESS
-progress_writer_from_reader:
-#endif
-		break;
-	od;
-}
-
-#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-#define PROGRESS_LABEL(progressid)
-#else
-#define PROGRESS_LABEL(progressid)
-#endif
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-PROGRESS_LABEL(progressid)							\
-		do								\
-		:: (reader_barrier[i] == 1) -> skip;				\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		:: 1 -> skip;
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_reader.spin.input.trail b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_reader.spin.input.trail
deleted file mode 100644
index 46f9f69..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_reader.spin.input.trail
+++ /dev/null
@@ -1,2937 +0,0 @@
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-2933:0:4648
-2934:2:3764
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_writer.define b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_writer.define
deleted file mode 100644
index 1e4417f..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_writer.define
+++ /dev/null
@@ -1 +0,0 @@
-#define WRITER_PROGRESS
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_writer.log b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_writer.log
deleted file mode 100644
index 09dde01..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_writer.log
+++ /dev/null
@@ -1,677 +0,0 @@
-make[1]: Entering directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define > pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_progress.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_progress_writer.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -f -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1245)
-depth 23: Claim reached state 9 (line 1250)
-depth 51: Claim reached state 9 (line 1249)
-pan: acceptance cycle (at depth 573)
-pan: wrote .input.spin.trail
-
-(Spin Version 5.1.7 -- 23 December 2008)
-Warning: Search not completed
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness enabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 3997, errors: 1
-    24768 states, stored (55970 visited)
- 10426084 states, matched
- 10482054 transitions (= visited+matched)
- 56520057 atomic steps
-hash conflicts:     68749 (resolved)
-
-Stats on memory usage (in Megabytes):
-    2.740	equivalent memory usage for states (stored*(State-vector + overhead))
-    2.770	actual memory usage for states (unsuccessful compression: 101.10%)
-         	state-vector as stored = 89 byte + 28 byte overhead
-    8.000	memory used for hash table (-w20)
-  457.764	memory used for DFS stack (-m10000000)
-  468.498	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 647, "pan.___", state 20, "(1)"
-	line 250, "pan.___", state 32, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 54, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 63, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 79, "(1)"
-	line 231, "pan.___", state 87, "(1)"
-	line 235, "pan.___", state 99, "(1)"
-	line 239, "pan.___", state 107, "(1)"
-	line 387, "pan.___", state 133, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 165, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 179, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 198, "(1)"
-	line 413, "pan.___", state 228, "(1)"
-	line 417, "pan.___", state 241, "(1)"
-	line 663, "pan.___", state 262, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 387, "pan.___", state 269, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 301, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 315, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 334, "(1)"
-	line 413, "pan.___", state 364, "(1)"
-	line 417, "pan.___", state 377, "(1)"
-	line 387, "pan.___", state 398, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 430, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 444, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 463, "(1)"
-	line 413, "pan.___", state 493, "(1)"
-	line 417, "pan.___", state 506, "(1)"
-	line 387, "pan.___", state 529, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 531, "(1)"
-	line 387, "pan.___", state 532, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 532, "else"
-	line 387, "pan.___", state 535, "(1)"
-	line 391, "pan.___", state 543, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 545, "(1)"
-	line 391, "pan.___", state 546, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 546, "else"
-	line 391, "pan.___", state 549, "(1)"
-	line 391, "pan.___", state 550, "(1)"
-	line 391, "pan.___", state 550, "(1)"
-	line 389, "pan.___", state 555, "((i<1))"
-	line 389, "pan.___", state 555, "((i>=1))"
-	line 396, "pan.___", state 561, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 563, "(1)"
-	line 396, "pan.___", state 564, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 564, "else"
-	line 396, "pan.___", state 567, "(1)"
-	line 396, "pan.___", state 568, "(1)"
-	line 396, "pan.___", state 568, "(1)"
-	line 400, "pan.___", state 575, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 577, "(1)"
-	line 400, "pan.___", state 578, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 578, "else"
-	line 400, "pan.___", state 581, "(1)"
-	line 400, "pan.___", state 582, "(1)"
-	line 400, "pan.___", state 582, "(1)"
-	line 398, "pan.___", state 587, "((i<2))"
-	line 398, "pan.___", state 587, "((i>=2))"
-	line 404, "pan.___", state 594, "(1)"
-	line 404, "pan.___", state 595, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 595, "else"
-	line 404, "pan.___", state 598, "(1)"
-	line 404, "pan.___", state 599, "(1)"
-	line 404, "pan.___", state 599, "(1)"
-	line 408, "pan.___", state 607, "(1)"
-	line 408, "pan.___", state 608, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 608, "else"
-	line 408, "pan.___", state 611, "(1)"
-	line 408, "pan.___", state 612, "(1)"
-	line 408, "pan.___", state 612, "(1)"
-	line 406, "pan.___", state 617, "((i<1))"
-	line 406, "pan.___", state 617, "((i>=1))"
-	line 413, "pan.___", state 624, "(1)"
-	line 413, "pan.___", state 625, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 625, "else"
-	line 413, "pan.___", state 628, "(1)"
-	line 413, "pan.___", state 629, "(1)"
-	line 413, "pan.___", state 629, "(1)"
-	line 417, "pan.___", state 637, "(1)"
-	line 417, "pan.___", state 638, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 638, "else"
-	line 417, "pan.___", state 641, "(1)"
-	line 417, "pan.___", state 642, "(1)"
-	line 417, "pan.___", state 642, "(1)"
-	line 415, "pan.___", state 647, "((i<2))"
-	line 415, "pan.___", state 647, "((i>=2))"
-	line 422, "pan.___", state 651, "(1)"
-	line 422, "pan.___", state 651, "(1)"
-	line 663, "pan.___", state 654, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 663, "pan.___", state 655, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 663, "pan.___", state 656, "(1)"
-	line 387, "pan.___", state 663, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 695, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 709, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 728, "(1)"
-	line 413, "pan.___", state 758, "(1)"
-	line 417, "pan.___", state 771, "(1)"
-	line 387, "pan.___", state 799, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 801, "(1)"
-	line 387, "pan.___", state 802, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 802, "else"
-	line 387, "pan.___", state 805, "(1)"
-	line 391, "pan.___", state 813, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 815, "(1)"
-	line 391, "pan.___", state 816, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 816, "else"
-	line 391, "pan.___", state 819, "(1)"
-	line 391, "pan.___", state 820, "(1)"
-	line 391, "pan.___", state 820, "(1)"
-	line 389, "pan.___", state 825, "((i<1))"
-	line 389, "pan.___", state 825, "((i>=1))"
-	line 396, "pan.___", state 831, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 833, "(1)"
-	line 396, "pan.___", state 834, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 834, "else"
-	line 396, "pan.___", state 837, "(1)"
-	line 396, "pan.___", state 838, "(1)"
-	line 396, "pan.___", state 838, "(1)"
-	line 400, "pan.___", state 845, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 847, "(1)"
-	line 400, "pan.___", state 848, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 848, "else"
-	line 400, "pan.___", state 851, "(1)"
-	line 400, "pan.___", state 852, "(1)"
-	line 400, "pan.___", state 852, "(1)"
-	line 398, "pan.___", state 857, "((i<2))"
-	line 398, "pan.___", state 857, "((i>=2))"
-	line 404, "pan.___", state 864, "(1)"
-	line 404, "pan.___", state 865, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 865, "else"
-	line 404, "pan.___", state 868, "(1)"
-	line 404, "pan.___", state 869, "(1)"
-	line 404, "pan.___", state 869, "(1)"
-	line 408, "pan.___", state 877, "(1)"
-	line 408, "pan.___", state 878, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 878, "else"
-	line 408, "pan.___", state 881, "(1)"
-	line 408, "pan.___", state 882, "(1)"
-	line 408, "pan.___", state 882, "(1)"
-	line 406, "pan.___", state 887, "((i<1))"
-	line 406, "pan.___", state 887, "((i>=1))"
-	line 413, "pan.___", state 894, "(1)"
-	line 413, "pan.___", state 895, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 895, "else"
-	line 413, "pan.___", state 898, "(1)"
-	line 413, "pan.___", state 899, "(1)"
-	line 413, "pan.___", state 899, "(1)"
-	line 417, "pan.___", state 907, "(1)"
-	line 417, "pan.___", state 908, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 908, "else"
-	line 417, "pan.___", state 911, "(1)"
-	line 417, "pan.___", state 912, "(1)"
-	line 417, "pan.___", state 912, "(1)"
-	line 422, "pan.___", state 921, "(1)"
-	line 422, "pan.___", state 921, "(1)"
-	line 387, "pan.___", state 928, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 930, "(1)"
-	line 387, "pan.___", state 931, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 931, "else"
-	line 387, "pan.___", state 934, "(1)"
-	line 391, "pan.___", state 942, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 944, "(1)"
-	line 391, "pan.___", state 945, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 945, "else"
-	line 391, "pan.___", state 948, "(1)"
-	line 391, "pan.___", state 949, "(1)"
-	line 391, "pan.___", state 949, "(1)"
-	line 389, "pan.___", state 954, "((i<1))"
-	line 389, "pan.___", state 954, "((i>=1))"
-	line 396, "pan.___", state 960, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 962, "(1)"
-	line 396, "pan.___", state 963, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 963, "else"
-	line 396, "pan.___", state 966, "(1)"
-	line 396, "pan.___", state 967, "(1)"
-	line 396, "pan.___", state 967, "(1)"
-	line 400, "pan.___", state 974, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 976, "(1)"
-	line 400, "pan.___", state 977, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 977, "else"
-	line 400, "pan.___", state 980, "(1)"
-	line 400, "pan.___", state 981, "(1)"
-	line 400, "pan.___", state 981, "(1)"
-	line 398, "pan.___", state 986, "((i<2))"
-	line 398, "pan.___", state 986, "((i>=2))"
-	line 404, "pan.___", state 993, "(1)"
-	line 404, "pan.___", state 994, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 994, "else"
-	line 404, "pan.___", state 997, "(1)"
-	line 404, "pan.___", state 998, "(1)"
-	line 404, "pan.___", state 998, "(1)"
-	line 408, "pan.___", state 1006, "(1)"
-	line 408, "pan.___", state 1007, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 1007, "else"
-	line 408, "pan.___", state 1010, "(1)"
-	line 408, "pan.___", state 1011, "(1)"
-	line 408, "pan.___", state 1011, "(1)"
-	line 406, "pan.___", state 1016, "((i<1))"
-	line 406, "pan.___", state 1016, "((i>=1))"
-	line 413, "pan.___", state 1023, "(1)"
-	line 413, "pan.___", state 1024, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 1024, "else"
-	line 413, "pan.___", state 1027, "(1)"
-	line 413, "pan.___", state 1028, "(1)"
-	line 413, "pan.___", state 1028, "(1)"
-	line 417, "pan.___", state 1036, "(1)"
-	line 417, "pan.___", state 1037, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 1037, "else"
-	line 417, "pan.___", state 1040, "(1)"
-	line 417, "pan.___", state 1041, "(1)"
-	line 417, "pan.___", state 1041, "(1)"
-	line 415, "pan.___", state 1046, "((i<2))"
-	line 415, "pan.___", state 1046, "((i>=2))"
-	line 422, "pan.___", state 1050, "(1)"
-	line 422, "pan.___", state 1050, "(1)"
-	line 671, "pan.___", state 1054, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 387, "pan.___", state 1059, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1091, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1105, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1124, "(1)"
-	line 413, "pan.___", state 1154, "(1)"
-	line 417, "pan.___", state 1167, "(1)"
-	line 387, "pan.___", state 1191, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1223, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1237, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1256, "(1)"
-	line 413, "pan.___", state 1286, "(1)"
-	line 417, "pan.___", state 1299, "(1)"
-	line 387, "pan.___", state 1324, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1356, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1370, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1389, "(1)"
-	line 413, "pan.___", state 1419, "(1)"
-	line 417, "pan.___", state 1432, "(1)"
-	line 387, "pan.___", state 1453, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1485, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1499, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1518, "(1)"
-	line 413, "pan.___", state 1548, "(1)"
-	line 417, "pan.___", state 1561, "(1)"
-	line 387, "pan.___", state 1587, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1619, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1633, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1652, "(1)"
-	line 413, "pan.___", state 1682, "(1)"
-	line 417, "pan.___", state 1695, "(1)"
-	line 387, "pan.___", state 1716, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1748, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1762, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1781, "(1)"
-	line 413, "pan.___", state 1811, "(1)"
-	line 417, "pan.___", state 1824, "(1)"
-	line 387, "pan.___", state 1848, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 1880, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1894, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1913, "(1)"
-	line 413, "pan.___", state 1943, "(1)"
-	line 417, "pan.___", state 1956, "(1)"
-	line 710, "pan.___", state 1977, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 387, "pan.___", state 1984, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2016, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2030, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2049, "(1)"
-	line 413, "pan.___", state 2079, "(1)"
-	line 417, "pan.___", state 2092, "(1)"
-	line 387, "pan.___", state 2113, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2145, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2159, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2178, "(1)"
-	line 413, "pan.___", state 2208, "(1)"
-	line 417, "pan.___", state 2221, "(1)"
-	line 387, "pan.___", state 2244, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 2246, "(1)"
-	line 387, "pan.___", state 2247, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 387, "pan.___", state 2247, "else"
-	line 387, "pan.___", state 2250, "(1)"
-	line 391, "pan.___", state 2258, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 2260, "(1)"
-	line 391, "pan.___", state 2261, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 391, "pan.___", state 2261, "else"
-	line 391, "pan.___", state 2264, "(1)"
-	line 391, "pan.___", state 2265, "(1)"
-	line 391, "pan.___", state 2265, "(1)"
-	line 389, "pan.___", state 2270, "((i<1))"
-	line 389, "pan.___", state 2270, "((i>=1))"
-	line 396, "pan.___", state 2276, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2278, "(1)"
-	line 396, "pan.___", state 2279, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 2279, "else"
-	line 396, "pan.___", state 2282, "(1)"
-	line 396, "pan.___", state 2283, "(1)"
-	line 396, "pan.___", state 2283, "(1)"
-	line 400, "pan.___", state 2290, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2292, "(1)"
-	line 400, "pan.___", state 2293, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 2293, "else"
-	line 400, "pan.___", state 2296, "(1)"
-	line 400, "pan.___", state 2297, "(1)"
-	line 400, "pan.___", state 2297, "(1)"
-	line 398, "pan.___", state 2302, "((i<2))"
-	line 398, "pan.___", state 2302, "((i>=2))"
-	line 404, "pan.___", state 2309, "(1)"
-	line 404, "pan.___", state 2310, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 2310, "else"
-	line 404, "pan.___", state 2313, "(1)"
-	line 404, "pan.___", state 2314, "(1)"
-	line 404, "pan.___", state 2314, "(1)"
-	line 408, "pan.___", state 2322, "(1)"
-	line 408, "pan.___", state 2323, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 2323, "else"
-	line 408, "pan.___", state 2326, "(1)"
-	line 408, "pan.___", state 2327, "(1)"
-	line 408, "pan.___", state 2327, "(1)"
-	line 406, "pan.___", state 2332, "((i<1))"
-	line 406, "pan.___", state 2332, "((i>=1))"
-	line 413, "pan.___", state 2339, "(1)"
-	line 413, "pan.___", state 2340, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 2340, "else"
-	line 413, "pan.___", state 2343, "(1)"
-	line 413, "pan.___", state 2344, "(1)"
-	line 413, "pan.___", state 2344, "(1)"
-	line 417, "pan.___", state 2352, "(1)"
-	line 417, "pan.___", state 2353, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 2353, "else"
-	line 417, "pan.___", state 2356, "(1)"
-	line 417, "pan.___", state 2357, "(1)"
-	line 417, "pan.___", state 2357, "(1)"
-	line 415, "pan.___", state 2362, "((i<2))"
-	line 415, "pan.___", state 2362, "((i>=2))"
-	line 422, "pan.___", state 2366, "(1)"
-	line 422, "pan.___", state 2366, "(1)"
-	line 710, "pan.___", state 2369, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 710, "pan.___", state 2370, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 710, "pan.___", state 2371, "(1)"
-	line 387, "pan.___", state 2378, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2410, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2424, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2443, "(1)"
-	line 413, "pan.___", state 2473, "(1)"
-	line 417, "pan.___", state 2486, "(1)"
-	line 387, "pan.___", state 2513, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2545, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2559, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2578, "(1)"
-	line 413, "pan.___", state 2608, "(1)"
-	line 417, "pan.___", state 2621, "(1)"
-	line 387, "pan.___", state 2642, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2674, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2688, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2707, "(1)"
-	line 413, "pan.___", state 2737, "(1)"
-	line 417, "pan.___", state 2750, "(1)"
-	line 227, "pan.___", state 2783, "(1)"
-	line 235, "pan.___", state 2803, "(1)"
-	line 239, "pan.___", state 2811, "(1)"
-	line 227, "pan.___", state 2826, "(1)"
-	line 235, "pan.___", state 2846, "(1)"
-	line 239, "pan.___", state 2854, "(1)"
-	line 870, "pan.___", state 2871, "-end-"
-	(279 of 2871 states)
-unreached in proctype urcu_writer
-	line 387, "pan.___", state 18, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 387, "pan.___", state 24, "(1)"
-	line 391, "pan.___", state 32, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 38, "(1)"
-	line 391, "pan.___", state 39, "(1)"
-	line 391, "pan.___", state 39, "(1)"
-	line 389, "pan.___", state 44, "((i<1))"
-	line 389, "pan.___", state 44, "((i>=1))"
-	line 396, "pan.___", state 50, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 56, "(1)"
-	line 396, "pan.___", state 57, "(1)"
-	line 396, "pan.___", state 57, "(1)"
-	line 400, "pan.___", state 64, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 70, "(1)"
-	line 400, "pan.___", state 71, "(1)"
-	line 400, "pan.___", state 71, "(1)"
-	line 398, "pan.___", state 76, "((i<2))"
-	line 398, "pan.___", state 76, "((i>=2))"
-	line 404, "pan.___", state 83, "(1)"
-	line 404, "pan.___", state 84, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 404, "pan.___", state 84, "else"
-	line 404, "pan.___", state 87, "(1)"
-	line 404, "pan.___", state 88, "(1)"
-	line 404, "pan.___", state 88, "(1)"
-	line 408, "pan.___", state 96, "(1)"
-	line 408, "pan.___", state 97, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 408, "pan.___", state 97, "else"
-	line 408, "pan.___", state 100, "(1)"
-	line 408, "pan.___", state 101, "(1)"
-	line 408, "pan.___", state 101, "(1)"
-	line 406, "pan.___", state 106, "((i<1))"
-	line 406, "pan.___", state 106, "((i>=1))"
-	line 413, "pan.___", state 113, "(1)"
-	line 413, "pan.___", state 114, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 114, "else"
-	line 413, "pan.___", state 117, "(1)"
-	line 413, "pan.___", state 118, "(1)"
-	line 413, "pan.___", state 118, "(1)"
-	line 417, "pan.___", state 126, "(1)"
-	line 417, "pan.___", state 127, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 127, "else"
-	line 417, "pan.___", state 130, "(1)"
-	line 417, "pan.___", state 131, "(1)"
-	line 417, "pan.___", state 131, "(1)"
-	line 415, "pan.___", state 136, "((i<2))"
-	line 415, "pan.___", state 136, "((i>=2))"
-	line 422, "pan.___", state 140, "(1)"
-	line 422, "pan.___", state 140, "(1)"
-	line 250, "pan.___", state 149, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 158, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 252, "pan.___", state 166, "((i<1))"
-	line 252, "pan.___", state 166, "((i>=1))"
-	line 258, "pan.___", state 171, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 993, "pan.___", state 199, "old_data = cached_rcu_ptr.val[_pid]"
-	line 387, "pan.___", state 211, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 391, "pan.___", state 225, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 243, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 257, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 276, "(1)"
-	line 408, "pan.___", state 289, "(1)"
-	line 413, "pan.___", state 306, "(1)"
-	line 417, "pan.___", state 319, "(1)"
-	line 391, "pan.___", state 356, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 374, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 388, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 420, "(1)"
-	line 413, "pan.___", state 437, "(1)"
-	line 417, "pan.___", state 450, "(1)"
-	line 391, "pan.___", state 494, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 512, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 526, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 558, "(1)"
-	line 413, "pan.___", state 575, "(1)"
-	line 417, "pan.___", state 588, "(1)"
-	line 391, "pan.___", state 623, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 641, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 655, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 687, "(1)"
-	line 413, "pan.___", state 704, "(1)"
-	line 417, "pan.___", state 717, "(1)"
-	line 391, "pan.___", state 754, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 772, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 786, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 818, "(1)"
-	line 413, "pan.___", state 835, "(1)"
-	line 417, "pan.___", state 848, "(1)"
-	line 1113, "pan.___", state 872, "_proc_urcu_writer = (_proc_urcu_writer&~(((1<<12)|(1<<11))))"
-	line 250, "pan.___", state 903, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 912, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 252, "pan.___", state 920, "((i<1))"
-	line 252, "pan.___", state 920, "((i>=1))"
-	line 258, "pan.___", state 927, "(1)"
-	line 258, "pan.___", state 928, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 928, "else"
-	line 262, "pan.___", state 934, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 260, "pan.___", state 942, "((i<2))"
-	line 260, "pan.___", state 942, "((i>=2))"
-	line 227, "pan.___", state 950, "(1)"
-	line 231, "pan.___", state 958, "(1)"
-	line 231, "pan.___", state 959, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 959, "else"
-	line 229, "pan.___", state 964, "((i<1))"
-	line 229, "pan.___", state 964, "((i>=1))"
-	line 235, "pan.___", state 970, "(1)"
-	line 235, "pan.___", state 971, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 971, "else"
-	line 239, "pan.___", state 978, "(1)"
-	line 239, "pan.___", state 979, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 979, "else"
-	line 244, "pan.___", state 988, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 988, "else"
-	line 250, "pan.___", state 1009, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1018, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1031, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1040, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1056, "(1)"
-	line 231, "pan.___", state 1064, "(1)"
-	line 235, "pan.___", state 1076, "(1)"
-	line 239, "pan.___", state 1084, "(1)"
-	line 250, "pan.___", state 1101, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1110, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 252, "pan.___", state 1118, "((i<1))"
-	line 252, "pan.___", state 1118, "((i>=1))"
-	line 258, "pan.___", state 1123, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1132, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 260, "pan.___", state 1140, "((i<2))"
-	line 260, "pan.___", state 1140, "((i>=2))"
-	line 227, "pan.___", state 1148, "(1)"
-	line 231, "pan.___", state 1156, "(1)"
-	line 231, "pan.___", state 1157, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1157, "else"
-	line 229, "pan.___", state 1162, "((i<1))"
-	line 229, "pan.___", state 1162, "((i>=1))"
-	line 235, "pan.___", state 1168, "(1)"
-	line 235, "pan.___", state 1169, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1169, "else"
-	line 239, "pan.___", state 1176, "(1)"
-	line 239, "pan.___", state 1177, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1177, "else"
-	line 244, "pan.___", state 1186, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1186, "else"
-	line 1180, "pan.___", state 1189, "i = 0"
-	line 1180, "pan.___", state 1191, "reader_barrier = 1"
-	line 1180, "pan.___", state 1202, "((i<1))"
-	line 1180, "pan.___", state 1202, "((i>=1))"
-	line 250, "pan.___", state 1207, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1216, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 252, "pan.___", state 1224, "((i<1))"
-	line 252, "pan.___", state 1224, "((i>=1))"
-	line 258, "pan.___", state 1229, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1238, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 260, "pan.___", state 1246, "((i<2))"
-	line 260, "pan.___", state 1246, "((i>=2))"
-	line 227, "pan.___", state 1254, "(1)"
-	line 231, "pan.___", state 1262, "(1)"
-	line 231, "pan.___", state 1263, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1263, "else"
-	line 229, "pan.___", state 1268, "((i<1))"
-	line 229, "pan.___", state 1268, "((i>=1))"
-	line 235, "pan.___", state 1274, "(1)"
-	line 235, "pan.___", state 1275, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1275, "else"
-	line 239, "pan.___", state 1282, "(1)"
-	line 239, "pan.___", state 1283, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1283, "else"
-	line 244, "pan.___", state 1292, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1292, "else"
-	line 250, "pan.___", state 1299, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 1301, "(1)"
-	line 254, "pan.___", state 1308, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1310, "(1)"
-	line 254, "pan.___", state 1311, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 1311, "else"
-	line 252, "pan.___", state 1316, "((i<1))"
-	line 252, "pan.___", state 1316, "((i>=1))"
-	line 258, "pan.___", state 1321, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1323, "(1)"
-	line 258, "pan.___", state 1324, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 1324, "else"
-	line 262, "pan.___", state 1330, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1332, "(1)"
-	line 262, "pan.___", state 1333, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 1333, "else"
-	line 260, "pan.___", state 1338, "((i<2))"
-	line 260, "pan.___", state 1338, "((i>=2))"
-	line 227, "pan.___", state 1346, "(1)"
-	line 231, "pan.___", state 1354, "(1)"
-	line 231, "pan.___", state 1355, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1355, "else"
-	line 229, "pan.___", state 1360, "((i<1))"
-	line 229, "pan.___", state 1360, "((i>=1))"
-	line 235, "pan.___", state 1366, "(1)"
-	line 235, "pan.___", state 1367, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1367, "else"
-	line 239, "pan.___", state 1374, "(1)"
-	line 239, "pan.___", state 1375, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1375, "else"
-	line 244, "pan.___", state 1384, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1384, "else"
-	line 1183, "pan.___", state 1387, "i = 0"
-	line 1183, "pan.___", state 1389, "reader_barrier = 1"
-	line 1183, "pan.___", state 1400, "((i<1))"
-	line 1183, "pan.___", state 1400, "((i>=1))"
-	line 250, "pan.___", state 1405, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 1407, "(1)"
-	line 254, "pan.___", state 1414, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1416, "(1)"
-	line 254, "pan.___", state 1417, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 1417, "else"
-	line 252, "pan.___", state 1422, "((i<1))"
-	line 252, "pan.___", state 1422, "((i>=1))"
-	line 258, "pan.___", state 1427, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1429, "(1)"
-	line 258, "pan.___", state 1430, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 1430, "else"
-	line 262, "pan.___", state 1436, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1438, "(1)"
-	line 262, "pan.___", state 1439, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 1439, "else"
-	line 260, "pan.___", state 1444, "((i<2))"
-	line 260, "pan.___", state 1444, "((i>=2))"
-	line 227, "pan.___", state 1452, "(1)"
-	line 231, "pan.___", state 1460, "(1)"
-	line 231, "pan.___", state 1461, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1461, "else"
-	line 229, "pan.___", state 1466, "((i<1))"
-	line 229, "pan.___", state 1466, "((i>=1))"
-	line 235, "pan.___", state 1472, "(1)"
-	line 235, "pan.___", state 1473, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1473, "else"
-	line 239, "pan.___", state 1480, "(1)"
-	line 239, "pan.___", state 1481, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1481, "else"
-	line 244, "pan.___", state 1490, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1490, "else"
-	line 277, "pan.___", state 1492, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 277, "pan.___", state 1492, "else"
-	line 1183, "pan.___", state 1493, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 1183, "pan.___", state 1493, "else"
-	line 254, "pan.___", state 1506, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1519, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1528, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1544, "(1)"
-	line 231, "pan.___", state 1552, "(1)"
-	line 235, "pan.___", state 1564, "(1)"
-	line 239, "pan.___", state 1572, "(1)"
-	line 250, "pan.___", state 1603, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1612, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1625, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1634, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1650, "(1)"
-	line 231, "pan.___", state 1658, "(1)"
-	line 235, "pan.___", state 1670, "(1)"
-	line 239, "pan.___", state 1678, "(1)"
-	line 1191, "pan.___", state 1694, "-end-"
-	(192 of 1694 states)
-unreached in proctype :init:
-	(0 of 78 states)
-unreached in proctype :never:
-	line 1252, "pan.___", state 11, "-end-"
-	(1 of 11 states)
-
-pan: elapsed time 13.7 seconds
-pan: rate 4094.3672 states/second
-pan: avg transition delay 1.3041e-06 usec
-cp .input.spin urcu_progress_writer.spin.input
-cp .input.spin.trail urcu_progress_writer.spin.input.trail
-make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_writer.spin.input b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_writer.spin.input
deleted file mode 100644
index f1dd6fb..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_writer.spin.input
+++ /dev/null
@@ -1,1227 +0,0 @@
-#define WRITER_PROGRESS
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/* We choose to ignore writer's non-progress caused from the
-		 * reader ignoring the writer's mb() requests */
-#ifdef WRITER_PROGRESS
-progress_writer_from_reader:
-#endif
-		break;
-	od;
-}
-
-#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-#define PROGRESS_LABEL(progressid)
-#else
-#define PROGRESS_LABEL(progressid)
-#endif
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-PROGRESS_LABEL(progressid)							\
-		do								\
-		:: (reader_barrier[i] == 1) -> skip;				\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		:: 1 -> skip;
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_writer.spin.input.trail b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_writer.spin.input.trail
deleted file mode 100644
index e8b02f0..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_writer.spin.input.trail
+++ /dev/null
@@ -1,884 +0,0 @@
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-461:2:3197
-462:2:3204
-463:0:4649
-464:2:2883
-465:0:4649
-466:2:3208
-467:2:3209
-468:2:3210
-469:2:3222
-470:2:3223
-471:2:3227
-472:2:3228
-473:2:3236
-474:2:3241
-475:2:3245
-476:2:3246
-477:2:3254
-478:2:3255
-479:2:3259
-480:2:3260
-481:2:3254
-482:2:3255
-483:2:3259
-484:2:3260
-485:2:3268
-486:2:3273
-487:2:3274
-488:2:3285
-489:2:3286
-490:2:3287
-491:2:3298
-492:2:3303
-493:2:3304
-494:2:3315
-495:2:3316
-496:2:3317
-497:2:3315
-498:2:3316
-499:2:3317
-500:2:3328
-501:2:3337
-502:0:4649
-503:2:2883
-504:0:4649
-505:2:3343
-506:0:4649
-507:2:3972
-508:2:3973
-509:2:3977
-510:2:3981
-511:2:3982
-512:2:3986
-513:2:3994
-514:2:3995
-515:2:3999
-516:2:4003
-517:2:4004
-518:2:3999
-519:2:4003
-520:2:4004
-521:2:4008
-522:2:4015
-523:2:4022
-524:2:4023
-525:2:4030
-526:2:4035
-527:2:4042
-528:2:4043
-529:2:4042
-530:2:4043
-531:2:4050
-532:2:4054
-533:0:4649
-534:2:4059
-535:0:4649
-536:2:4060
-537:0:4649
-538:2:4061
-539:0:4649
-540:2:4062
-541:0:4649
-542:1:28
-543:0:4649
-544:2:4063
-545:0:4649
-546:2:4062
-547:0:4649
-548:1:32
-549:1:33
-550:1:37
-551:1:41
-552:1:42
-553:1:46
-554:1:54
-555:1:55
-556:1:59
-557:1:63
-558:1:64
-559:1:59
-560:1:63
-561:1:64
-562:1:68
-563:1:75
-564:1:82
-565:1:83
-566:1:90
-567:1:95
-568:1:102
-569:1:103
-570:1:102
-571:1:103
-572:1:110
-573:1:114
--1:-1:-1
-574:0:4649
-575:2:4063
-576:0:4649
-577:2:4062
-578:0:4649
-579:1:119
-580:0:4649
-581:2:4063
-582:0:4649
-583:2:4064
-584:0:4649
-585:2:4069
-586:0:4649
-587:2:4070
-588:0:4649
-589:2:4078
-590:2:4079
-591:2:4083
-592:2:4087
-593:2:4088
-594:2:4092
-595:2:4100
-596:2:4101
-597:2:4105
-598:2:4109
-599:2:4110
-600:2:4105
-601:2:4109
-602:2:4110
-603:2:4114
-604:2:4121
-605:2:4128
-606:2:4129
-607:2:4136
-608:2:4141
-609:2:4148
-610:2:4149
-611:2:4148
-612:2:4149
-613:2:4156
-614:2:4160
-615:0:4649
-616:2:3345
-617:2:3755
-618:0:4649
-619:2:2883
-620:0:4649
-621:2:3208
-622:2:3209
-623:2:3213
-624:2:3214
-625:2:3222
-626:2:3223
-627:2:3227
-628:2:3228
-629:2:3236
-630:2:3241
-631:2:3245
-632:2:3246
-633:2:3254
-634:2:3255
-635:2:3259
-636:2:3260
-637:2:3254
-638:2:3255
-639:2:3259
-640:2:3260
-641:2:3268
-642:2:3273
-643:2:3274
-644:2:3285
-645:2:3286
-646:2:3287
-647:2:3298
-648:2:3303
-649:2:3304
-650:2:3315
-651:2:3316
-652:2:3317
-653:2:3315
-654:2:3316
-655:2:3317
-656:2:3328
-657:2:3337
-658:0:4649
-659:2:2883
-660:0:4649
-661:2:3343
-662:0:4649
-663:2:3972
-664:2:3973
-665:2:3977
-666:2:3981
-667:2:3982
-668:2:3986
-669:2:3994
-670:2:3995
-671:2:3999
-672:2:4003
-673:2:4004
-674:2:3999
-675:2:4003
-676:2:4004
-677:2:4008
-678:2:4015
-679:2:4022
-680:2:4023
-681:2:4030
-682:2:4035
-683:2:4042
-684:2:4043
-685:2:4042
-686:2:4043
-687:2:4050
-688:2:4054
-689:0:4649
-690:2:4059
-691:0:4649
-692:2:4060
-693:0:4649
-694:2:4061
-695:0:4649
-696:2:4062
-697:0:4649
-698:1:28
-699:0:4649
-700:2:4063
-701:0:4649
-702:1:32
-703:1:33
-704:1:37
-705:1:41
-706:1:42
-707:1:46
-708:1:54
-709:1:55
-710:1:59
-711:1:63
-712:1:64
-713:1:59
-714:1:63
-715:1:64
-716:1:68
-717:1:75
-718:1:82
-719:1:83
-720:1:90
-721:1:95
-722:1:102
-723:1:103
-724:1:102
-725:1:103
-726:1:110
-727:1:114
-728:0:4649
-729:2:4062
-730:0:4649
-731:2:4063
-732:0:4649
-733:1:119
-734:0:4649
-735:2:4064
-736:0:4649
-737:2:4069
-738:0:4649
-739:2:4070
-740:0:4649
-741:2:4078
-742:2:4079
-743:2:4083
-744:2:4087
-745:2:4088
-746:2:4092
-747:2:4100
-748:2:4101
-749:2:4105
-750:2:4109
-751:2:4110
-752:2:4105
-753:2:4109
-754:2:4110
-755:2:4114
-756:2:4121
-757:2:4128
-758:2:4129
-759:2:4136
-760:2:4141
-761:2:4148
-762:2:4149
-763:2:4148
-764:2:4149
-765:2:4156
-766:2:4160
-767:0:4649
-768:2:3345
-769:2:3755
-770:0:4649
-771:2:2883
-772:0:4649
-773:2:3208
-774:2:3209
-775:2:3213
-776:2:3214
-777:2:3222
-778:2:3223
-779:2:3227
-780:2:3228
-781:2:3236
-782:2:3241
-783:2:3245
-784:2:3246
-785:2:3254
-786:2:3255
-787:2:3259
-788:2:3260
-789:2:3254
-790:2:3255
-791:2:3259
-792:2:3260
-793:2:3268
-794:2:3273
-795:2:3274
-796:2:3285
-797:2:3286
-798:2:3287
-799:2:3298
-800:2:3303
-801:2:3304
-802:2:3315
-803:2:3316
-804:2:3317
-805:2:3315
-806:2:3316
-807:2:3317
-808:2:3328
-809:2:3337
-810:0:4649
-811:2:2883
-812:0:4649
-813:2:3343
-814:0:4649
-815:2:3972
-816:2:3973
-817:2:3977
-818:2:3981
-819:2:3982
-820:2:3986
-821:2:3994
-822:2:3995
-823:2:3999
-824:2:4003
-825:2:4004
-826:2:3999
-827:2:4003
-828:2:4004
-829:2:4008
-830:2:4015
-831:2:4022
-832:2:4023
-833:2:4030
-834:2:4035
-835:2:4042
-836:2:4043
-837:2:4042
-838:2:4043
-839:2:4050
-840:2:4054
-841:0:4649
-842:2:4059
-843:0:4649
-844:2:4060
-845:0:4649
-846:2:4061
-847:0:4649
-848:2:4062
-849:0:4649
-850:1:28
-851:0:4649
-852:2:4063
-853:0:4649
-854:2:4062
-855:0:4649
-856:1:32
-857:1:33
-858:1:37
-859:1:41
-860:1:42
-861:1:46
-862:1:54
-863:1:55
-864:1:59
-865:1:63
-866:1:64
-867:1:59
-868:1:63
-869:1:64
-870:1:68
-871:1:75
-872:1:82
-873:1:83
-874:1:90
-875:1:95
-876:1:102
-877:1:103
-878:1:102
-879:1:103
-880:1:110
-881:1:114
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_writer_error.define b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_writer_error.define
deleted file mode 100644
index 8d304f5..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_writer_error.define
+++ /dev/null
@@ -1,2 +0,0 @@
-#define WRITER_PROGRESS
-#define GEN_ERROR_WRITER_PROGRESS
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_writer_error.log b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_writer_error.log
deleted file mode 100644
index d6f24ba..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_writer_error.log
+++ /dev/null
@@ -1,620 +0,0 @@
-make[1]: Entering directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define > pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_progress.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_progress_writer_error.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -f -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1246)
-depth 23: Claim reached state 9 (line 1251)
-depth 51: Claim reached state 9 (line 1250)
-pan: acceptance cycle (at depth 1200)
-pan: wrote .input.spin.trail
-
-(Spin Version 5.1.7 -- 23 December 2008)
-Warning: Search not completed
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness enabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 3997, errors: 1
-    26291 states, stored (59381 visited)
- 11000989 states, matched
- 11060370 transitions (= visited+matched)
- 60052117 atomic steps
-hash conflicts:     84608 (resolved)
-
-Stats on memory usage (in Megabytes):
-    2.908	equivalent memory usage for states (stored*(State-vector + overhead))
-    2.889	actual memory usage for states (compression: 99.33%)
-         	state-vector as stored = 87 byte + 28 byte overhead
-    8.000	memory used for hash table (-w20)
-  457.764	memory used for DFS stack (-m10000000)
-  468.596	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 648, "pan.___", state 20, "(1)"
-	line 251, "pan.___", state 32, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 259, "pan.___", state 54, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 263, "pan.___", state 63, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 228, "pan.___", state 79, "(1)"
-	line 232, "pan.___", state 87, "(1)"
-	line 236, "pan.___", state 99, "(1)"
-	line 240, "pan.___", state 107, "(1)"
-	line 388, "pan.___", state 133, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 397, "pan.___", state 165, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 179, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 198, "(1)"
-	line 414, "pan.___", state 228, "(1)"
-	line 418, "pan.___", state 241, "(1)"
-	line 664, "pan.___", state 262, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 388, "pan.___", state 269, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 397, "pan.___", state 301, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 315, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 334, "(1)"
-	line 414, "pan.___", state 364, "(1)"
-	line 418, "pan.___", state 377, "(1)"
-	line 388, "pan.___", state 398, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 397, "pan.___", state 430, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 444, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 463, "(1)"
-	line 414, "pan.___", state 493, "(1)"
-	line 418, "pan.___", state 506, "(1)"
-	line 388, "pan.___", state 529, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 388, "pan.___", state 531, "(1)"
-	line 388, "pan.___", state 532, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 388, "pan.___", state 532, "else"
-	line 388, "pan.___", state 535, "(1)"
-	line 392, "pan.___", state 543, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 392, "pan.___", state 545, "(1)"
-	line 392, "pan.___", state 546, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 392, "pan.___", state 546, "else"
-	line 392, "pan.___", state 549, "(1)"
-	line 392, "pan.___", state 550, "(1)"
-	line 392, "pan.___", state 550, "(1)"
-	line 390, "pan.___", state 555, "((i<1))"
-	line 390, "pan.___", state 555, "((i>=1))"
-	line 397, "pan.___", state 561, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 397, "pan.___", state 563, "(1)"
-	line 397, "pan.___", state 564, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 397, "pan.___", state 564, "else"
-	line 397, "pan.___", state 567, "(1)"
-	line 397, "pan.___", state 568, "(1)"
-	line 397, "pan.___", state 568, "(1)"
-	line 401, "pan.___", state 575, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 577, "(1)"
-	line 401, "pan.___", state 578, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 578, "else"
-	line 401, "pan.___", state 581, "(1)"
-	line 401, "pan.___", state 582, "(1)"
-	line 401, "pan.___", state 582, "(1)"
-	line 399, "pan.___", state 587, "((i<2))"
-	line 399, "pan.___", state 587, "((i>=2))"
-	line 405, "pan.___", state 594, "(1)"
-	line 405, "pan.___", state 595, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 405, "pan.___", state 595, "else"
-	line 405, "pan.___", state 598, "(1)"
-	line 405, "pan.___", state 599, "(1)"
-	line 405, "pan.___", state 599, "(1)"
-	line 409, "pan.___", state 607, "(1)"
-	line 409, "pan.___", state 608, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 409, "pan.___", state 608, "else"
-	line 409, "pan.___", state 611, "(1)"
-	line 409, "pan.___", state 612, "(1)"
-	line 409, "pan.___", state 612, "(1)"
-	line 407, "pan.___", state 617, "((i<1))"
-	line 407, "pan.___", state 617, "((i>=1))"
-	line 414, "pan.___", state 624, "(1)"
-	line 414, "pan.___", state 625, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 414, "pan.___", state 625, "else"
-	line 414, "pan.___", state 628, "(1)"
-	line 414, "pan.___", state 629, "(1)"
-	line 414, "pan.___", state 629, "(1)"
-	line 418, "pan.___", state 637, "(1)"
-	line 418, "pan.___", state 638, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 418, "pan.___", state 638, "else"
-	line 418, "pan.___", state 641, "(1)"
-	line 418, "pan.___", state 642, "(1)"
-	line 418, "pan.___", state 642, "(1)"
-	line 416, "pan.___", state 647, "((i<2))"
-	line 416, "pan.___", state 647, "((i>=2))"
-	line 423, "pan.___", state 651, "(1)"
-	line 423, "pan.___", state 651, "(1)"
-	line 664, "pan.___", state 654, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 664, "pan.___", state 655, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 664, "pan.___", state 656, "(1)"
-	line 388, "pan.___", state 663, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 397, "pan.___", state 695, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 709, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 728, "(1)"
-	line 414, "pan.___", state 758, "(1)"
-	line 418, "pan.___", state 771, "(1)"
-	line 388, "pan.___", state 799, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 388, "pan.___", state 801, "(1)"
-	line 388, "pan.___", state 802, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 388, "pan.___", state 802, "else"
-	line 388, "pan.___", state 805, "(1)"
-	line 392, "pan.___", state 813, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 392, "pan.___", state 815, "(1)"
-	line 392, "pan.___", state 816, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 392, "pan.___", state 816, "else"
-	line 392, "pan.___", state 819, "(1)"
-	line 392, "pan.___", state 820, "(1)"
-	line 392, "pan.___", state 820, "(1)"
-	line 390, "pan.___", state 825, "((i<1))"
-	line 390, "pan.___", state 825, "((i>=1))"
-	line 397, "pan.___", state 831, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 397, "pan.___", state 833, "(1)"
-	line 397, "pan.___", state 834, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 397, "pan.___", state 834, "else"
-	line 397, "pan.___", state 837, "(1)"
-	line 397, "pan.___", state 838, "(1)"
-	line 397, "pan.___", state 838, "(1)"
-	line 401, "pan.___", state 845, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 847, "(1)"
-	line 401, "pan.___", state 848, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 848, "else"
-	line 401, "pan.___", state 851, "(1)"
-	line 401, "pan.___", state 852, "(1)"
-	line 401, "pan.___", state 852, "(1)"
-	line 399, "pan.___", state 857, "((i<2))"
-	line 399, "pan.___", state 857, "((i>=2))"
-	line 405, "pan.___", state 864, "(1)"
-	line 405, "pan.___", state 865, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 405, "pan.___", state 865, "else"
-	line 405, "pan.___", state 868, "(1)"
-	line 405, "pan.___", state 869, "(1)"
-	line 405, "pan.___", state 869, "(1)"
-	line 409, "pan.___", state 877, "(1)"
-	line 409, "pan.___", state 878, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 409, "pan.___", state 878, "else"
-	line 409, "pan.___", state 881, "(1)"
-	line 409, "pan.___", state 882, "(1)"
-	line 409, "pan.___", state 882, "(1)"
-	line 407, "pan.___", state 887, "((i<1))"
-	line 407, "pan.___", state 887, "((i>=1))"
-	line 414, "pan.___", state 894, "(1)"
-	line 414, "pan.___", state 895, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 414, "pan.___", state 895, "else"
-	line 414, "pan.___", state 898, "(1)"
-	line 414, "pan.___", state 899, "(1)"
-	line 414, "pan.___", state 899, "(1)"
-	line 418, "pan.___", state 907, "(1)"
-	line 418, "pan.___", state 908, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 418, "pan.___", state 908, "else"
-	line 418, "pan.___", state 911, "(1)"
-	line 418, "pan.___", state 912, "(1)"
-	line 418, "pan.___", state 912, "(1)"
-	line 423, "pan.___", state 921, "(1)"
-	line 423, "pan.___", state 921, "(1)"
-	line 388, "pan.___", state 928, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 388, "pan.___", state 930, "(1)"
-	line 388, "pan.___", state 931, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 388, "pan.___", state 931, "else"
-	line 388, "pan.___", state 934, "(1)"
-	line 392, "pan.___", state 942, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 392, "pan.___", state 944, "(1)"
-	line 392, "pan.___", state 945, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 392, "pan.___", state 945, "else"
-	line 392, "pan.___", state 948, "(1)"
-	line 392, "pan.___", state 949, "(1)"
-	line 392, "pan.___", state 949, "(1)"
-	line 390, "pan.___", state 954, "((i<1))"
-	line 390, "pan.___", state 954, "((i>=1))"
-	line 397, "pan.___", state 960, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 397, "pan.___", state 962, "(1)"
-	line 397, "pan.___", state 963, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 397, "pan.___", state 963, "else"
-	line 397, "pan.___", state 966, "(1)"
-	line 397, "pan.___", state 967, "(1)"
-	line 397, "pan.___", state 967, "(1)"
-	line 401, "pan.___", state 974, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 976, "(1)"
-	line 401, "pan.___", state 977, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 977, "else"
-	line 401, "pan.___", state 980, "(1)"
-	line 401, "pan.___", state 981, "(1)"
-	line 401, "pan.___", state 981, "(1)"
-	line 399, "pan.___", state 986, "((i<2))"
-	line 399, "pan.___", state 986, "((i>=2))"
-	line 405, "pan.___", state 993, "(1)"
-	line 405, "pan.___", state 994, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 405, "pan.___", state 994, "else"
-	line 405, "pan.___", state 997, "(1)"
-	line 405, "pan.___", state 998, "(1)"
-	line 405, "pan.___", state 998, "(1)"
-	line 409, "pan.___", state 1006, "(1)"
-	line 409, "pan.___", state 1007, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 409, "pan.___", state 1007, "else"
-	line 409, "pan.___", state 1010, "(1)"
-	line 409, "pan.___", state 1011, "(1)"
-	line 409, "pan.___", state 1011, "(1)"
-	line 407, "pan.___", state 1016, "((i<1))"
-	line 407, "pan.___", state 1016, "((i>=1))"
-	line 414, "pan.___", state 1023, "(1)"
-	line 414, "pan.___", state 1024, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 414, "pan.___", state 1024, "else"
-	line 414, "pan.___", state 1027, "(1)"
-	line 414, "pan.___", state 1028, "(1)"
-	line 414, "pan.___", state 1028, "(1)"
-	line 418, "pan.___", state 1036, "(1)"
-	line 418, "pan.___", state 1037, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 418, "pan.___", state 1037, "else"
-	line 418, "pan.___", state 1040, "(1)"
-	line 418, "pan.___", state 1041, "(1)"
-	line 418, "pan.___", state 1041, "(1)"
-	line 416, "pan.___", state 1046, "((i<2))"
-	line 416, "pan.___", state 1046, "((i>=2))"
-	line 423, "pan.___", state 1050, "(1)"
-	line 423, "pan.___", state 1050, "(1)"
-	line 672, "pan.___", state 1054, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 388, "pan.___", state 1059, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 397, "pan.___", state 1091, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 1105, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 1124, "(1)"
-	line 414, "pan.___", state 1154, "(1)"
-	line 418, "pan.___", state 1167, "(1)"
-	line 388, "pan.___", state 1191, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 397, "pan.___", state 1223, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 1237, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 1256, "(1)"
-	line 414, "pan.___", state 1286, "(1)"
-	line 418, "pan.___", state 1299, "(1)"
-	line 388, "pan.___", state 1324, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 397, "pan.___", state 1356, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 1370, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 1389, "(1)"
-	line 414, "pan.___", state 1419, "(1)"
-	line 418, "pan.___", state 1432, "(1)"
-	line 388, "pan.___", state 1453, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 397, "pan.___", state 1485, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 1499, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 1518, "(1)"
-	line 414, "pan.___", state 1548, "(1)"
-	line 418, "pan.___", state 1561, "(1)"
-	line 388, "pan.___", state 1587, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 397, "pan.___", state 1619, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 1633, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 1652, "(1)"
-	line 414, "pan.___", state 1682, "(1)"
-	line 418, "pan.___", state 1695, "(1)"
-	line 388, "pan.___", state 1716, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 397, "pan.___", state 1748, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 1762, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 1781, "(1)"
-	line 414, "pan.___", state 1811, "(1)"
-	line 418, "pan.___", state 1824, "(1)"
-	line 388, "pan.___", state 1848, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 397, "pan.___", state 1880, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 1894, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 1913, "(1)"
-	line 414, "pan.___", state 1943, "(1)"
-	line 418, "pan.___", state 1956, "(1)"
-	line 711, "pan.___", state 1977, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 388, "pan.___", state 1984, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 397, "pan.___", state 2016, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 2030, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 2049, "(1)"
-	line 414, "pan.___", state 2079, "(1)"
-	line 418, "pan.___", state 2092, "(1)"
-	line 388, "pan.___", state 2113, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 397, "pan.___", state 2145, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 2159, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 2178, "(1)"
-	line 414, "pan.___", state 2208, "(1)"
-	line 418, "pan.___", state 2221, "(1)"
-	line 388, "pan.___", state 2244, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 388, "pan.___", state 2246, "(1)"
-	line 388, "pan.___", state 2247, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 388, "pan.___", state 2247, "else"
-	line 388, "pan.___", state 2250, "(1)"
-	line 392, "pan.___", state 2258, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 392, "pan.___", state 2260, "(1)"
-	line 392, "pan.___", state 2261, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 392, "pan.___", state 2261, "else"
-	line 392, "pan.___", state 2264, "(1)"
-	line 392, "pan.___", state 2265, "(1)"
-	line 392, "pan.___", state 2265, "(1)"
-	line 390, "pan.___", state 2270, "((i<1))"
-	line 390, "pan.___", state 2270, "((i>=1))"
-	line 397, "pan.___", state 2276, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 397, "pan.___", state 2278, "(1)"
-	line 397, "pan.___", state 2279, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 397, "pan.___", state 2279, "else"
-	line 397, "pan.___", state 2282, "(1)"
-	line 397, "pan.___", state 2283, "(1)"
-	line 397, "pan.___", state 2283, "(1)"
-	line 401, "pan.___", state 2290, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 2292, "(1)"
-	line 401, "pan.___", state 2293, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 2293, "else"
-	line 401, "pan.___", state 2296, "(1)"
-	line 401, "pan.___", state 2297, "(1)"
-	line 401, "pan.___", state 2297, "(1)"
-	line 399, "pan.___", state 2302, "((i<2))"
-	line 399, "pan.___", state 2302, "((i>=2))"
-	line 405, "pan.___", state 2309, "(1)"
-	line 405, "pan.___", state 2310, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 405, "pan.___", state 2310, "else"
-	line 405, "pan.___", state 2313, "(1)"
-	line 405, "pan.___", state 2314, "(1)"
-	line 405, "pan.___", state 2314, "(1)"
-	line 409, "pan.___", state 2322, "(1)"
-	line 409, "pan.___", state 2323, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 409, "pan.___", state 2323, "else"
-	line 409, "pan.___", state 2326, "(1)"
-	line 409, "pan.___", state 2327, "(1)"
-	line 409, "pan.___", state 2327, "(1)"
-	line 407, "pan.___", state 2332, "((i<1))"
-	line 407, "pan.___", state 2332, "((i>=1))"
-	line 414, "pan.___", state 2339, "(1)"
-	line 414, "pan.___", state 2340, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 414, "pan.___", state 2340, "else"
-	line 414, "pan.___", state 2343, "(1)"
-	line 414, "pan.___", state 2344, "(1)"
-	line 414, "pan.___", state 2344, "(1)"
-	line 418, "pan.___", state 2352, "(1)"
-	line 418, "pan.___", state 2353, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 418, "pan.___", state 2353, "else"
-	line 418, "pan.___", state 2356, "(1)"
-	line 418, "pan.___", state 2357, "(1)"
-	line 418, "pan.___", state 2357, "(1)"
-	line 416, "pan.___", state 2362, "((i<2))"
-	line 416, "pan.___", state 2362, "((i>=2))"
-	line 423, "pan.___", state 2366, "(1)"
-	line 423, "pan.___", state 2366, "(1)"
-	line 711, "pan.___", state 2369, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 711, "pan.___", state 2370, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 711, "pan.___", state 2371, "(1)"
-	line 388, "pan.___", state 2378, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 397, "pan.___", state 2410, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 2424, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 2443, "(1)"
-	line 414, "pan.___", state 2473, "(1)"
-	line 418, "pan.___", state 2486, "(1)"
-	line 388, "pan.___", state 2513, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 397, "pan.___", state 2545, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 2559, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 2578, "(1)"
-	line 414, "pan.___", state 2608, "(1)"
-	line 418, "pan.___", state 2621, "(1)"
-	line 388, "pan.___", state 2642, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 397, "pan.___", state 2674, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 2688, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 2707, "(1)"
-	line 414, "pan.___", state 2737, "(1)"
-	line 418, "pan.___", state 2750, "(1)"
-	line 228, "pan.___", state 2783, "(1)"
-	line 236, "pan.___", state 2803, "(1)"
-	line 240, "pan.___", state 2811, "(1)"
-	line 228, "pan.___", state 2826, "(1)"
-	line 236, "pan.___", state 2846, "(1)"
-	line 240, "pan.___", state 2854, "(1)"
-	line 871, "pan.___", state 2871, "-end-"
-	(279 of 2871 states)
-unreached in proctype urcu_writer
-	line 388, "pan.___", state 18, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 388, "pan.___", state 24, "(1)"
-	line 392, "pan.___", state 32, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 392, "pan.___", state 38, "(1)"
-	line 392, "pan.___", state 39, "(1)"
-	line 392, "pan.___", state 39, "(1)"
-	line 390, "pan.___", state 44, "((i<1))"
-	line 390, "pan.___", state 44, "((i>=1))"
-	line 397, "pan.___", state 50, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 397, "pan.___", state 56, "(1)"
-	line 397, "pan.___", state 57, "(1)"
-	line 397, "pan.___", state 57, "(1)"
-	line 401, "pan.___", state 64, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 70, "(1)"
-	line 401, "pan.___", state 71, "(1)"
-	line 401, "pan.___", state 71, "(1)"
-	line 399, "pan.___", state 76, "((i<2))"
-	line 399, "pan.___", state 76, "((i>=2))"
-	line 405, "pan.___", state 83, "(1)"
-	line 405, "pan.___", state 84, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 405, "pan.___", state 84, "else"
-	line 405, "pan.___", state 87, "(1)"
-	line 405, "pan.___", state 88, "(1)"
-	line 405, "pan.___", state 88, "(1)"
-	line 409, "pan.___", state 96, "(1)"
-	line 409, "pan.___", state 97, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 409, "pan.___", state 97, "else"
-	line 409, "pan.___", state 100, "(1)"
-	line 409, "pan.___", state 101, "(1)"
-	line 409, "pan.___", state 101, "(1)"
-	line 407, "pan.___", state 106, "((i<1))"
-	line 407, "pan.___", state 106, "((i>=1))"
-	line 414, "pan.___", state 113, "(1)"
-	line 414, "pan.___", state 114, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 414, "pan.___", state 114, "else"
-	line 414, "pan.___", state 117, "(1)"
-	line 414, "pan.___", state 118, "(1)"
-	line 414, "pan.___", state 118, "(1)"
-	line 418, "pan.___", state 126, "(1)"
-	line 418, "pan.___", state 127, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 418, "pan.___", state 127, "else"
-	line 418, "pan.___", state 130, "(1)"
-	line 418, "pan.___", state 131, "(1)"
-	line 418, "pan.___", state 131, "(1)"
-	line 416, "pan.___", state 136, "((i<2))"
-	line 416, "pan.___", state 136, "((i>=2))"
-	line 423, "pan.___", state 140, "(1)"
-	line 423, "pan.___", state 140, "(1)"
-	line 251, "pan.___", state 149, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 255, "pan.___", state 158, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 253, "pan.___", state 166, "((i<1))"
-	line 253, "pan.___", state 166, "((i>=1))"
-	line 259, "pan.___", state 171, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 994, "pan.___", state 199, "old_data = cached_rcu_ptr.val[_pid]"
-	line 388, "pan.___", state 211, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 392, "pan.___", state 225, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 397, "pan.___", state 243, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 257, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 276, "(1)"
-	line 409, "pan.___", state 289, "(1)"
-	line 414, "pan.___", state 306, "(1)"
-	line 418, "pan.___", state 319, "(1)"
-	line 392, "pan.___", state 356, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 397, "pan.___", state 374, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 388, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 420, "(1)"
-	line 414, "pan.___", state 437, "(1)"
-	line 418, "pan.___", state 450, "(1)"
-	line 392, "pan.___", state 491, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 397, "pan.___", state 509, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 523, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 555, "(1)"
-	line 414, "pan.___", state 572, "(1)"
-	line 418, "pan.___", state 585, "(1)"
-	line 392, "pan.___", state 619, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 397, "pan.___", state 637, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 651, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 683, "(1)"
-	line 414, "pan.___", state 700, "(1)"
-	line 418, "pan.___", state 713, "(1)"
-	line 392, "pan.___", state 748, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 397, "pan.___", state 766, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 780, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 812, "(1)"
-	line 414, "pan.___", state 829, "(1)"
-	line 418, "pan.___", state 842, "(1)"
-	line 392, "pan.___", state 879, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 397, "pan.___", state 897, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 911, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 943, "(1)"
-	line 414, "pan.___", state 960, "(1)"
-	line 418, "pan.___", state 973, "(1)"
-	line 388, "pan.___", state 999, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 388, "pan.___", state 1001, "(1)"
-	line 388, "pan.___", state 1002, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 388, "pan.___", state 1002, "else"
-	line 388, "pan.___", state 1005, "(1)"
-	line 392, "pan.___", state 1013, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 392, "pan.___", state 1015, "(1)"
-	line 392, "pan.___", state 1016, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 392, "pan.___", state 1016, "else"
-	line 392, "pan.___", state 1019, "(1)"
-	line 392, "pan.___", state 1020, "(1)"
-	line 392, "pan.___", state 1020, "(1)"
-	line 390, "pan.___", state 1025, "((i<1))"
-	line 390, "pan.___", state 1025, "((i>=1))"
-	line 397, "pan.___", state 1031, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 397, "pan.___", state 1033, "(1)"
-	line 397, "pan.___", state 1034, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 397, "pan.___", state 1034, "else"
-	line 397, "pan.___", state 1037, "(1)"
-	line 397, "pan.___", state 1038, "(1)"
-	line 397, "pan.___", state 1038, "(1)"
-	line 401, "pan.___", state 1045, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 401, "pan.___", state 1047, "(1)"
-	line 401, "pan.___", state 1048, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 401, "pan.___", state 1048, "else"
-	line 401, "pan.___", state 1051, "(1)"
-	line 401, "pan.___", state 1052, "(1)"
-	line 401, "pan.___", state 1052, "(1)"
-	line 399, "pan.___", state 1057, "((i<2))"
-	line 399, "pan.___", state 1057, "((i>=2))"
-	line 405, "pan.___", state 1064, "(1)"
-	line 405, "pan.___", state 1065, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 405, "pan.___", state 1065, "else"
-	line 405, "pan.___", state 1068, "(1)"
-	line 405, "pan.___", state 1069, "(1)"
-	line 405, "pan.___", state 1069, "(1)"
-	line 409, "pan.___", state 1077, "(1)"
-	line 409, "pan.___", state 1078, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 409, "pan.___", state 1078, "else"
-	line 409, "pan.___", state 1081, "(1)"
-	line 409, "pan.___", state 1082, "(1)"
-	line 409, "pan.___", state 1082, "(1)"
-	line 407, "pan.___", state 1087, "((i<1))"
-	line 407, "pan.___", state 1087, "((i>=1))"
-	line 414, "pan.___", state 1094, "(1)"
-	line 414, "pan.___", state 1095, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 414, "pan.___", state 1095, "else"
-	line 414, "pan.___", state 1098, "(1)"
-	line 414, "pan.___", state 1099, "(1)"
-	line 414, "pan.___", state 1099, "(1)"
-	line 418, "pan.___", state 1107, "(1)"
-	line 418, "pan.___", state 1108, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 418, "pan.___", state 1108, "else"
-	line 418, "pan.___", state 1111, "(1)"
-	line 418, "pan.___", state 1112, "(1)"
-	line 418, "pan.___", state 1112, "(1)"
-	line 423, "pan.___", state 1121, "(1)"
-	line 423, "pan.___", state 1121, "(1)"
-	line 251, "pan.___", state 1153, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 255, "pan.___", state 1162, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 253, "pan.___", state 1170, "((i<1))"
-	line 253, "pan.___", state 1170, "((i>=1))"
-	line 259, "pan.___", state 1177, "(1)"
-	line 259, "pan.___", state 1178, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 259, "pan.___", state 1178, "else"
-	line 263, "pan.___", state 1184, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 261, "pan.___", state 1192, "((i<2))"
-	line 261, "pan.___", state 1192, "((i>=2))"
-	line 228, "pan.___", state 1200, "(1)"
-	line 232, "pan.___", state 1208, "(1)"
-	line 232, "pan.___", state 1209, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 232, "pan.___", state 1209, "else"
-	line 230, "pan.___", state 1214, "((i<1))"
-	line 230, "pan.___", state 1214, "((i>=1))"
-	line 236, "pan.___", state 1220, "(1)"
-	line 236, "pan.___", state 1221, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 236, "pan.___", state 1221, "else"
-	line 240, "pan.___", state 1228, "(1)"
-	line 240, "pan.___", state 1229, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 240, "pan.___", state 1229, "else"
-	line 245, "pan.___", state 1238, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 245, "pan.___", state 1238, "else"
-	line 251, "pan.___", state 1259, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 255, "pan.___", state 1268, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 259, "pan.___", state 1281, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 263, "pan.___", state 1290, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 228, "pan.___", state 1306, "(1)"
-	line 232, "pan.___", state 1314, "(1)"
-	line 236, "pan.___", state 1326, "(1)"
-	line 240, "pan.___", state 1334, "(1)"
-	line 255, "pan.___", state 1360, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 259, "pan.___", state 1373, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 263, "pan.___", state 1382, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 228, "pan.___", state 1398, "(1)"
-	line 232, "pan.___", state 1406, "(1)"
-	line 236, "pan.___", state 1418, "(1)"
-	line 240, "pan.___", state 1426, "(1)"
-	line 251, "pan.___", state 1457, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 255, "pan.___", state 1466, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 259, "pan.___", state 1479, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 263, "pan.___", state 1488, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 228, "pan.___", state 1504, "(1)"
-	line 232, "pan.___", state 1512, "(1)"
-	line 236, "pan.___", state 1524, "(1)"
-	line 240, "pan.___", state 1532, "(1)"
-	line 1192, "pan.___", state 1548, "-end-"
-	(154 of 1548 states)
-unreached in proctype :init:
-	(0 of 78 states)
-unreached in proctype :never:
-	line 1253, "pan.___", state 11, "-end-"
-	(1 of 11 states)
-
-pan: elapsed time 14 seconds
-pan: rate 4238.4725 states/second
-pan: avg transition delay 1.2667e-06 usec
-cp .input.spin urcu_progress_writer_error.spin.input
-cp .input.spin.trail urcu_progress_writer_error.spin.input.trail
-make[1]: Leaving directory `/home/compudj/doc/userspace-rcu/formal-model/urcu-controldataflow'
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_writer_error.spin.input b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_writer_error.spin.input
deleted file mode 100644
index b4c4af4..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_writer_error.spin.input
+++ /dev/null
@@ -1,1228 +0,0 @@
-#define WRITER_PROGRESS
-#define GEN_ERROR_WRITER_PROGRESS
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/* We choose to ignore writer's non-progress caused from the
-		 * reader ignoring the writer's mb() requests */
-#ifdef WRITER_PROGRESS
-progress_writer_from_reader:
-#endif
-		break;
-	od;
-}
-
-#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-#define PROGRESS_LABEL(progressid)
-#else
-#define PROGRESS_LABEL(progressid)
-#endif
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-PROGRESS_LABEL(progressid)							\
-		do								\
-		:: (reader_barrier[i] == 1) -> skip;				\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		:: 1 -> skip;
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_writer_error.spin.input.trail b/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_writer_error.spin.input.trail
deleted file mode 100644
index de65bad..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/result-ipi-urcu_free/urcu_progress_writer_error.spin.input.trail
+++ /dev/null
@@ -1,1215 +0,0 @@
--2:3:-2
--4:-4:-4
-1:0:4499
-2:3:4419
-3:3:4422
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-1141:0:4503
-1142:1:24
-1143:0:4503
-1144:2:4114
-1145:0:4503
-1146:2:4115
-1147:0:4503
-1148:1:257
-1149:1:258
-1150:0:4503
-1151:1:15
-1152:0:4503
-1153:1:23
-1154:0:4503
-1155:1:24
-1156:0:4503
-1157:2:4114
-1158:0:4503
-1159:2:4115
-1160:0:4503
-1161:1:1186
-1162:1:1187
-1163:1:1191
-1164:1:1192
-1165:1:1200
-1166:1:1201
-1167:1:1205
-1168:1:1206
-1169:1:1214
-1170:1:1219
-1171:1:1223
-1172:1:1224
-1173:1:1232
-1174:1:1233
-1175:1:1237
-1176:1:1238
-1177:1:1232
-1178:1:1233
-1179:1:1237
-1180:1:1238
-1181:1:1246
-1182:1:1251
-1183:1:1252
-1184:1:1263
-1185:1:1264
-1186:1:1265
-1187:1:1276
-1188:1:1281
-1189:1:1282
-1190:1:1293
-1191:1:1294
-1192:1:1295
-1193:1:1293
-1194:1:1294
-1195:1:1295
-1196:1:1306
-1197:0:4503
-1198:1:15
-1199:0:4503
-1200:1:16
--1:-1:-1
-1201:0:4503
-1202:2:4114
-1203:0:4503
-1204:2:4115
-1205:0:4503
-1206:2:4114
-1207:0:4503
-1208:2:4115
-1209:0:4503
-1210:2:4114
-1211:0:4503
-1212:2:4115
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/todo.sh b/formal-model/results/urcu-controldataflow-no-ipi/todo.sh
deleted file mode 100644
index f2bcdf6..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/todo.sh
+++ /dev/null
@@ -1,18 +0,0 @@
-echo testing no ipi
-make urcu_free | tee urcu_free.log
-echo testing no ipi
-make urcu_free_no_mb | tee urcu_free_no_mb.log
-echo testing no ipi
-make urcu_free_no_rmb | tee urcu_free_no_rmb.log
-echo testing no ipi
-make urcu_free_no_wmb | tee urcu_free_no_wmb.log
-echo testing no ipi
-make urcu_free_single_flip | tee urcu_free_single_flip.log
-echo testing no ipi
-make urcu_progress_writer | tee urcu_progress_writer.log
-echo testing no ipi
-make urcu_progress_reader | tee urcu_progress_reader.log
-echo testing no ipi
-make urcu_progress_writer_error | tee urcu_progress_writer_error.log
-echo testing no ipi
-make asserts | tee asserts.log
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu.sh b/formal-model/results/urcu-controldataflow-no-ipi/urcu.sh
deleted file mode 100644
index 65ff517..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu.sh
+++ /dev/null
@@ -1,29 +0,0 @@
-#!/bin/sh
-#
-# Compiles and runs the urcu.spin Promela model.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
-# Copyright (C) IBM Corporation, 2009
-#               Mathieu Desnoyers, 2009
-#
-# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
-#          Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
-
-# Basic execution, without LTL clauses. See Makefile.
-
-spin -a urcu.spin
-cc -DSAFETY -o pan pan.c
-./pan -v -c1 -X -m10000000 -w21
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu.spin b/formal-model/results/urcu-controldataflow-no-ipi/urcu.spin
deleted file mode 100644
index 4fe6b9e..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu.spin
+++ /dev/null
@@ -1,1225 +0,0 @@
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-//#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)
-//#else
-//#define PROGRESS_LABEL(progressid)
-//#endif
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu.spin.bkp.b4ptr b/formal-model/results/urcu-controldataflow-no-ipi/urcu.spin.bkp.b4ptr
deleted file mode 100644
index 6670f3e..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu.spin.bkp.b4ptr
+++ /dev/null
@@ -1,1123 +0,0 @@
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bit {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bit cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(generation_ptr, get_pid());
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(generation_ptr, get_pid());
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-	/*
-	 * Busy-looping waiting for other barrier requests is not considered as
-	 * non-progress.
-	 */
-#ifdef READER_PROGRESS
-progress_reader2:
-#endif
-#ifdef WRITER_PROGRESS
-//progress_writer_from_reader1:
-#endif
-		skip;
-	:: 1 ->
-		/* We choose to ignore writer's non-progress caused from the
-		 * reader ignoring the writer's mb() requests */
-#ifdef WRITER_PROGRESS
-//progress_writer_from_reader2:
-#endif
-		break;
-	od;
-}
-
-#ifdef WRITER_PROGRESS
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-#else
-#define PROGRESS_LABEL(progressid)
-#endif
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-PROGRESS_LABEL(progressid)							\
-		do								\
-		:: (reader_barrier[i] == 1) -> skip;				\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, wmp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only two readers */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* pointer generation */
-DECLARE_CACHED_VAR(byte, generation_ptr);
-
-byte last_free_gen = 0;
-bit free_done = 0;
-byte read_generation[NR_READERS];
-bit data_access[NR_READERS];
-
-bit write_lock = 0;
-
-bit init_done = 0;
-
-bit sighand_exec = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(generation_ptr, get_pid());
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(generation_ptr, get_pid());
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		:: 1 -> skip;
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				read_generation[get_readerid()] =
-					READ_CACHED_VAR(generation_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				ooo_mem(i);
-				goto non_atomic;
-non_atomic_end:
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				read_generation[get_readerid()] =
-					READ_CACHED_VAR(generation_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				ooo_mem(i);
-				goto non_atomic2;
-non_atomic2_end:
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-non_atomic:
-	data_access[get_readerid()] = 1;
-	data_access[get_readerid()] = 0;
-	goto non_atomic_end;
-non_atomic2:
-	data_access[get_readerid()] = 1;
-	data_access[get_readerid()] = 0;
-	goto non_atomic2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_PROC_FIRST_MB		(1 << 1)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 2)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 3)
-#define WRITE_PROC_FIRST_WAIT		(1 << 4)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 5)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 6)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 7)
-#define WRITE_PROC_SECOND_WAIT		(1 << 8)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 9)
-
-#define WRITE_PROC_SECOND_MB		(1 << 10)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 11) - 1)
-
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte old_gen;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (READ_CACHED_VAR(generation_ptr) < 5) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		ooo_mem(i);
-		atomic {
-			old_gen = READ_CACHED_VAR(generation_ptr);
-			WRITE_CACHED_VAR(generation_ptr, old_gen + 1);
-		}
-		ooo_mem(i);
-
-		do
-		:: 1 ->
-			atomic {
-				if
-				:: write_lock == 0 ->
-					write_lock = 1;
-					break;
-				:: else ->
-					skip;
-				fi;
-			}
-		od;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-
-		write_lock = 0;
-		/* free-up step, e.g., kfree(). */
-		atomic {
-			last_free_gen = old_gen;
-			free_done = 1;
-		}
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(generation_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			read_generation[i] = 1;
-			data_access[i] = 0;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free.log b/formal-model/results/urcu-controldataflow-no-ipi/urcu_free.log
deleted file mode 100644
index 8d1493e..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free.log
+++ /dev/null
@@ -1,525 +0,0 @@
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define >> pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1257)
-Depth=    4688 States=    1e+06 Transitions= 4.65e+08 Memory=   550.432	t=    592 R=   2e+03
-
-(Spin Version 5.1.7 -- 23 December 2008)
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness disabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 4688, errors: 0
-  1884295 states, stored
-9.0500538e+08 states, matched
-9.0688968e+08 transitions (= stored+matched)
-5.3819272e+09 atomic steps
-hash conflicts: 4.4602277e+08 (resolved)
-
-Stats on memory usage (in Megabytes):
-  208.452	equivalent memory usage for states (stored*(State-vector + overhead))
-  159.034	actual memory usage for states (compression: 76.29%)
-         	state-vector as stored = 60 byte + 28 byte overhead
-    8.000	memory used for hash table (-w20)
-  457.764	memory used for DFS stack (-m10000000)
-  624.651	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 394, "pan.___", state 17, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 49, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 63, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 82, "(1)"
-	line 420, "pan.___", state 112, "(1)"
-	line 424, "pan.___", state 125, "(1)"
-	line 575, "pan.___", state 146, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 394, "pan.___", state 153, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 185, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 199, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 218, "(1)"
-	line 420, "pan.___", state 248, "(1)"
-	line 424, "pan.___", state 261, "(1)"
-	line 394, "pan.___", state 282, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 314, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 328, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 347, "(1)"
-	line 420, "pan.___", state 377, "(1)"
-	line 424, "pan.___", state 390, "(1)"
-	line 394, "pan.___", state 413, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 394, "pan.___", state 415, "(1)"
-	line 394, "pan.___", state 416, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 394, "pan.___", state 416, "else"
-	line 394, "pan.___", state 419, "(1)"
-	line 398, "pan.___", state 427, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 398, "pan.___", state 429, "(1)"
-	line 398, "pan.___", state 430, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 398, "pan.___", state 430, "else"
-	line 398, "pan.___", state 433, "(1)"
-	line 398, "pan.___", state 434, "(1)"
-	line 398, "pan.___", state 434, "(1)"
-	line 396, "pan.___", state 439, "((i<1))"
-	line 396, "pan.___", state 439, "((i>=1))"
-	line 403, "pan.___", state 445, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 447, "(1)"
-	line 403, "pan.___", state 448, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 403, "pan.___", state 448, "else"
-	line 403, "pan.___", state 451, "(1)"
-	line 403, "pan.___", state 452, "(1)"
-	line 403, "pan.___", state 452, "(1)"
-	line 407, "pan.___", state 459, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 461, "(1)"
-	line 407, "pan.___", state 462, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 407, "pan.___", state 462, "else"
-	line 407, "pan.___", state 465, "(1)"
-	line 407, "pan.___", state 466, "(1)"
-	line 407, "pan.___", state 466, "(1)"
-	line 405, "pan.___", state 471, "((i<2))"
-	line 405, "pan.___", state 471, "((i>=2))"
-	line 411, "pan.___", state 478, "(1)"
-	line 411, "pan.___", state 479, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 411, "pan.___", state 479, "else"
-	line 411, "pan.___", state 482, "(1)"
-	line 411, "pan.___", state 483, "(1)"
-	line 411, "pan.___", state 483, "(1)"
-	line 415, "pan.___", state 491, "(1)"
-	line 415, "pan.___", state 492, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 415, "pan.___", state 492, "else"
-	line 415, "pan.___", state 495, "(1)"
-	line 415, "pan.___", state 496, "(1)"
-	line 415, "pan.___", state 496, "(1)"
-	line 413, "pan.___", state 501, "((i<1))"
-	line 413, "pan.___", state 501, "((i>=1))"
-	line 420, "pan.___", state 508, "(1)"
-	line 420, "pan.___", state 509, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 420, "pan.___", state 509, "else"
-	line 420, "pan.___", state 512, "(1)"
-	line 420, "pan.___", state 513, "(1)"
-	line 420, "pan.___", state 513, "(1)"
-	line 424, "pan.___", state 521, "(1)"
-	line 424, "pan.___", state 522, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 424, "pan.___", state 522, "else"
-	line 424, "pan.___", state 525, "(1)"
-	line 424, "pan.___", state 526, "(1)"
-	line 424, "pan.___", state 526, "(1)"
-	line 422, "pan.___", state 531, "((i<2))"
-	line 422, "pan.___", state 531, "((i>=2))"
-	line 429, "pan.___", state 535, "(1)"
-	line 429, "pan.___", state 535, "(1)"
-	line 575, "pan.___", state 538, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 575, "pan.___", state 539, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 575, "pan.___", state 540, "(1)"
-	line 249, "pan.___", state 544, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 253, "pan.___", state 555, "(1)"
-	line 257, "pan.___", state 566, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, "pan.___", state 575, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, "pan.___", state 591, "(1)"
-	line 230, "pan.___", state 599, "(1)"
-	line 234, "pan.___", state 611, "(1)"
-	line 238, "pan.___", state 619, "(1)"
-	line 394, "pan.___", state 637, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 398, "pan.___", state 651, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 669, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 683, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 702, "(1)"
-	line 415, "pan.___", state 715, "(1)"
-	line 420, "pan.___", state 732, "(1)"
-	line 424, "pan.___", state 745, "(1)"
-	line 394, "pan.___", state 773, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 394, "pan.___", state 775, "(1)"
-	line 394, "pan.___", state 776, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 394, "pan.___", state 776, "else"
-	line 394, "pan.___", state 779, "(1)"
-	line 398, "pan.___", state 787, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 398, "pan.___", state 789, "(1)"
-	line 398, "pan.___", state 790, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 398, "pan.___", state 790, "else"
-	line 398, "pan.___", state 793, "(1)"
-	line 398, "pan.___", state 794, "(1)"
-	line 398, "pan.___", state 794, "(1)"
-	line 396, "pan.___", state 799, "((i<1))"
-	line 396, "pan.___", state 799, "((i>=1))"
-	line 403, "pan.___", state 805, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 807, "(1)"
-	line 403, "pan.___", state 808, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 403, "pan.___", state 808, "else"
-	line 403, "pan.___", state 811, "(1)"
-	line 403, "pan.___", state 812, "(1)"
-	line 403, "pan.___", state 812, "(1)"
-	line 407, "pan.___", state 819, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 821, "(1)"
-	line 407, "pan.___", state 822, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 407, "pan.___", state 822, "else"
-	line 407, "pan.___", state 825, "(1)"
-	line 407, "pan.___", state 826, "(1)"
-	line 407, "pan.___", state 826, "(1)"
-	line 405, "pan.___", state 831, "((i<2))"
-	line 405, "pan.___", state 831, "((i>=2))"
-	line 411, "pan.___", state 838, "(1)"
-	line 411, "pan.___", state 839, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 411, "pan.___", state 839, "else"
-	line 411, "pan.___", state 842, "(1)"
-	line 411, "pan.___", state 843, "(1)"
-	line 411, "pan.___", state 843, "(1)"
-	line 415, "pan.___", state 851, "(1)"
-	line 415, "pan.___", state 852, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 415, "pan.___", state 852, "else"
-	line 415, "pan.___", state 855, "(1)"
-	line 415, "pan.___", state 856, "(1)"
-	line 415, "pan.___", state 856, "(1)"
-	line 413, "pan.___", state 861, "((i<1))"
-	line 413, "pan.___", state 861, "((i>=1))"
-	line 420, "pan.___", state 868, "(1)"
-	line 420, "pan.___", state 869, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 420, "pan.___", state 869, "else"
-	line 420, "pan.___", state 872, "(1)"
-	line 420, "pan.___", state 873, "(1)"
-	line 420, "pan.___", state 873, "(1)"
-	line 424, "pan.___", state 881, "(1)"
-	line 424, "pan.___", state 882, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 424, "pan.___", state 882, "else"
-	line 424, "pan.___", state 885, "(1)"
-	line 424, "pan.___", state 886, "(1)"
-	line 424, "pan.___", state 886, "(1)"
-	line 429, "pan.___", state 895, "(1)"
-	line 429, "pan.___", state 895, "(1)"
-	line 394, "pan.___", state 902, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 394, "pan.___", state 904, "(1)"
-	line 394, "pan.___", state 905, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 394, "pan.___", state 905, "else"
-	line 394, "pan.___", state 908, "(1)"
-	line 398, "pan.___", state 916, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 398, "pan.___", state 918, "(1)"
-	line 398, "pan.___", state 919, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 398, "pan.___", state 919, "else"
-	line 398, "pan.___", state 922, "(1)"
-	line 398, "pan.___", state 923, "(1)"
-	line 398, "pan.___", state 923, "(1)"
-	line 396, "pan.___", state 928, "((i<1))"
-	line 396, "pan.___", state 928, "((i>=1))"
-	line 403, "pan.___", state 934, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 936, "(1)"
-	line 403, "pan.___", state 937, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 403, "pan.___", state 937, "else"
-	line 403, "pan.___", state 940, "(1)"
-	line 403, "pan.___", state 941, "(1)"
-	line 403, "pan.___", state 941, "(1)"
-	line 407, "pan.___", state 948, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 950, "(1)"
-	line 407, "pan.___", state 951, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 407, "pan.___", state 951, "else"
-	line 407, "pan.___", state 954, "(1)"
-	line 407, "pan.___", state 955, "(1)"
-	line 407, "pan.___", state 955, "(1)"
-	line 405, "pan.___", state 960, "((i<2))"
-	line 405, "pan.___", state 960, "((i>=2))"
-	line 411, "pan.___", state 967, "(1)"
-	line 411, "pan.___", state 968, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 411, "pan.___", state 968, "else"
-	line 411, "pan.___", state 971, "(1)"
-	line 411, "pan.___", state 972, "(1)"
-	line 411, "pan.___", state 972, "(1)"
-	line 415, "pan.___", state 980, "(1)"
-	line 415, "pan.___", state 981, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 415, "pan.___", state 981, "else"
-	line 415, "pan.___", state 984, "(1)"
-	line 415, "pan.___", state 985, "(1)"
-	line 415, "pan.___", state 985, "(1)"
-	line 413, "pan.___", state 990, "((i<1))"
-	line 413, "pan.___", state 990, "((i>=1))"
-	line 420, "pan.___", state 997, "(1)"
-	line 420, "pan.___", state 998, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 420, "pan.___", state 998, "else"
-	line 420, "pan.___", state 1001, "(1)"
-	line 420, "pan.___", state 1002, "(1)"
-	line 420, "pan.___", state 1002, "(1)"
-	line 424, "pan.___", state 1010, "(1)"
-	line 424, "pan.___", state 1011, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 424, "pan.___", state 1011, "else"
-	line 424, "pan.___", state 1014, "(1)"
-	line 424, "pan.___", state 1015, "(1)"
-	line 424, "pan.___", state 1015, "(1)"
-	line 422, "pan.___", state 1020, "((i<2))"
-	line 422, "pan.___", state 1020, "((i>=2))"
-	line 429, "pan.___", state 1024, "(1)"
-	line 429, "pan.___", state 1024, "(1)"
-	line 583, "pan.___", state 1028, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 394, "pan.___", state 1033, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 398, "pan.___", state 1047, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 1065, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 1079, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 1098, "(1)"
-	line 415, "pan.___", state 1111, "(1)"
-	line 420, "pan.___", state 1128, "(1)"
-	line 424, "pan.___", state 1141, "(1)"
-	line 394, "pan.___", state 1165, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 1197, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 1211, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 1230, "(1)"
-	line 420, "pan.___", state 1260, "(1)"
-	line 424, "pan.___", state 1273, "(1)"
-	line 394, "pan.___", state 1298, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 1330, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 1344, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 1363, "(1)"
-	line 420, "pan.___", state 1393, "(1)"
-	line 424, "pan.___", state 1406, "(1)"
-	line 394, "pan.___", state 1427, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 1459, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 1473, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 1492, "(1)"
-	line 420, "pan.___", state 1522, "(1)"
-	line 424, "pan.___", state 1535, "(1)"
-	line 249, "pan.___", state 1558, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 257, "pan.___", state 1580, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, "pan.___", state 1589, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, "pan.___", state 1605, "(1)"
-	line 230, "pan.___", state 1613, "(1)"
-	line 234, "pan.___", state 1625, "(1)"
-	line 238, "pan.___", state 1633, "(1)"
-	line 394, "pan.___", state 1651, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 398, "pan.___", state 1665, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 1683, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 1697, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 1716, "(1)"
-	line 415, "pan.___", state 1729, "(1)"
-	line 420, "pan.___", state 1746, "(1)"
-	line 424, "pan.___", state 1759, "(1)"
-	line 394, "pan.___", state 1780, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 398, "pan.___", state 1794, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 1812, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 1826, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 1845, "(1)"
-	line 415, "pan.___", state 1858, "(1)"
-	line 420, "pan.___", state 1875, "(1)"
-	line 424, "pan.___", state 1888, "(1)"
-	line 394, "pan.___", state 1912, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 398, "pan.___", state 1928, "(1)"
-	line 403, "pan.___", state 1944, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 1958, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 1977, "(1)"
-	line 420, "pan.___", state 2007, "(1)"
-	line 424, "pan.___", state 2020, "(1)"
-	line 622, "pan.___", state 2041, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 394, "pan.___", state 2048, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 2080, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 2094, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 2113, "(1)"
-	line 420, "pan.___", state 2143, "(1)"
-	line 424, "pan.___", state 2156, "(1)"
-	line 394, "pan.___", state 2177, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 2209, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 2223, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 2242, "(1)"
-	line 420, "pan.___", state 2272, "(1)"
-	line 424, "pan.___", state 2285, "(1)"
-	line 394, "pan.___", state 2308, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 394, "pan.___", state 2310, "(1)"
-	line 394, "pan.___", state 2311, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 394, "pan.___", state 2311, "else"
-	line 394, "pan.___", state 2314, "(1)"
-	line 398, "pan.___", state 2322, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 398, "pan.___", state 2324, "(1)"
-	line 398, "pan.___", state 2325, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 398, "pan.___", state 2325, "else"
-	line 398, "pan.___", state 2328, "(1)"
-	line 398, "pan.___", state 2329, "(1)"
-	line 398, "pan.___", state 2329, "(1)"
-	line 396, "pan.___", state 2334, "((i<1))"
-	line 396, "pan.___", state 2334, "((i>=1))"
-	line 403, "pan.___", state 2340, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 2342, "(1)"
-	line 403, "pan.___", state 2343, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 403, "pan.___", state 2343, "else"
-	line 403, "pan.___", state 2346, "(1)"
-	line 403, "pan.___", state 2347, "(1)"
-	line 403, "pan.___", state 2347, "(1)"
-	line 407, "pan.___", state 2354, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 2356, "(1)"
-	line 407, "pan.___", state 2357, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 407, "pan.___", state 2357, "else"
-	line 407, "pan.___", state 2360, "(1)"
-	line 407, "pan.___", state 2361, "(1)"
-	line 407, "pan.___", state 2361, "(1)"
-	line 405, "pan.___", state 2366, "((i<2))"
-	line 405, "pan.___", state 2366, "((i>=2))"
-	line 411, "pan.___", state 2373, "(1)"
-	line 411, "pan.___", state 2374, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 411, "pan.___", state 2374, "else"
-	line 411, "pan.___", state 2377, "(1)"
-	line 411, "pan.___", state 2378, "(1)"
-	line 411, "pan.___", state 2378, "(1)"
-	line 415, "pan.___", state 2386, "(1)"
-	line 415, "pan.___", state 2387, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 415, "pan.___", state 2387, "else"
-	line 415, "pan.___", state 2390, "(1)"
-	line 415, "pan.___", state 2391, "(1)"
-	line 415, "pan.___", state 2391, "(1)"
-	line 413, "pan.___", state 2396, "((i<1))"
-	line 413, "pan.___", state 2396, "((i>=1))"
-	line 420, "pan.___", state 2403, "(1)"
-	line 420, "pan.___", state 2404, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 420, "pan.___", state 2404, "else"
-	line 420, "pan.___", state 2407, "(1)"
-	line 420, "pan.___", state 2408, "(1)"
-	line 420, "pan.___", state 2408, "(1)"
-	line 424, "pan.___", state 2416, "(1)"
-	line 424, "pan.___", state 2417, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 424, "pan.___", state 2417, "else"
-	line 424, "pan.___", state 2420, "(1)"
-	line 424, "pan.___", state 2421, "(1)"
-	line 424, "pan.___", state 2421, "(1)"
-	line 422, "pan.___", state 2426, "((i<2))"
-	line 422, "pan.___", state 2426, "((i>=2))"
-	line 429, "pan.___", state 2430, "(1)"
-	line 429, "pan.___", state 2430, "(1)"
-	line 622, "pan.___", state 2433, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 622, "pan.___", state 2434, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 622, "pan.___", state 2435, "(1)"
-	line 249, "pan.___", state 2439, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 253, "pan.___", state 2450, "(1)"
-	line 257, "pan.___", state 2461, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, "pan.___", state 2470, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, "pan.___", state 2486, "(1)"
-	line 230, "pan.___", state 2494, "(1)"
-	line 234, "pan.___", state 2506, "(1)"
-	line 238, "pan.___", state 2514, "(1)"
-	line 394, "pan.___", state 2532, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 398, "pan.___", state 2546, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 2564, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 2578, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 2597, "(1)"
-	line 415, "pan.___", state 2610, "(1)"
-	line 420, "pan.___", state 2627, "(1)"
-	line 424, "pan.___", state 2640, "(1)"
-	line 249, "pan.___", state 2664, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 253, "pan.___", state 2673, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, "pan.___", state 2686, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, "pan.___", state 2695, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, "pan.___", state 2711, "(1)"
-	line 230, "pan.___", state 2719, "(1)"
-	line 234, "pan.___", state 2731, "(1)"
-	line 238, "pan.___", state 2739, "(1)"
-	line 394, "pan.___", state 2757, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 398, "pan.___", state 2771, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 2789, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 2803, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 2822, "(1)"
-	line 415, "pan.___", state 2835, "(1)"
-	line 420, "pan.___", state 2852, "(1)"
-	line 424, "pan.___", state 2865, "(1)"
-	line 394, "pan.___", state 2886, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 398, "pan.___", state 2900, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 2918, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 2932, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 2951, "(1)"
-	line 415, "pan.___", state 2964, "(1)"
-	line 420, "pan.___", state 2981, "(1)"
-	line 424, "pan.___", state 2994, "(1)"
-	line 226, "pan.___", state 3027, "(1)"
-	line 234, "pan.___", state 3047, "(1)"
-	line 238, "pan.___", state 3055, "(1)"
-	line 226, "pan.___", state 3070, "(1)"
-	line 230, "pan.___", state 3078, "(1)"
-	line 234, "pan.___", state 3090, "(1)"
-	line 238, "pan.___", state 3098, "(1)"
-	line 876, "pan.___", state 3115, "-end-"
-	(318 of 3115 states)
-unreached in proctype urcu_writer
-	line 394, "pan.___", state 18, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 398, "pan.___", state 32, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 50, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 83, "(1)"
-	line 415, "pan.___", state 96, "(1)"
-	line 420, "pan.___", state 113, "(1)"
-	line 249, "pan.___", state 149, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 253, "pan.___", state 158, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, "pan.___", state 171, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 394, "pan.___", state 211, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 398, "pan.___", state 225, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 243, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 257, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 411, "pan.___", state 276, "(1)"
-	line 415, "pan.___", state 289, "(1)"
-	line 420, "pan.___", state 306, "(1)"
-	line 424, "pan.___", state 319, "(1)"
-	line 398, "pan.___", state 356, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 374, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 388, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 420, "(1)"
-	line 420, "pan.___", state 437, "(1)"
-	line 424, "pan.___", state 450, "(1)"
-	line 398, "pan.___", state 494, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 512, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 526, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 558, "(1)"
-	line 420, "pan.___", state 575, "(1)"
-	line 424, "pan.___", state 588, "(1)"
-	line 398, "pan.___", state 623, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 641, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 655, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 687, "(1)"
-	line 420, "pan.___", state 704, "(1)"
-	line 424, "pan.___", state 717, "(1)"
-	line 398, "pan.___", state 754, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 403, "pan.___", state 772, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 407, "pan.___", state 786, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 415, "pan.___", state 818, "(1)"
-	line 420, "pan.___", state 835, "(1)"
-	line 424, "pan.___", state 848, "(1)"
-	line 249, "pan.___", state 903, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 253, "pan.___", state 912, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, "pan.___", state 927, "(1)"
-	line 261, "pan.___", state 934, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, "pan.___", state 950, "(1)"
-	line 230, "pan.___", state 958, "(1)"
-	line 234, "pan.___", state 970, "(1)"
-	line 238, "pan.___", state 978, "(1)"
-	line 253, "pan.___", state 1003, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, "pan.___", state 1016, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, "pan.___", state 1025, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, "pan.___", state 1041, "(1)"
-	line 230, "pan.___", state 1049, "(1)"
-	line 234, "pan.___", state 1061, "(1)"
-	line 238, "pan.___", state 1069, "(1)"
-	line 253, "pan.___", state 1094, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, "pan.___", state 1107, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, "pan.___", state 1116, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, "pan.___", state 1132, "(1)"
-	line 230, "pan.___", state 1140, "(1)"
-	line 234, "pan.___", state 1152, "(1)"
-	line 238, "pan.___", state 1160, "(1)"
-	line 253, "pan.___", state 1185, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 257, "pan.___", state 1198, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 261, "pan.___", state 1207, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 226, "pan.___", state 1223, "(1)"
-	line 230, "pan.___", state 1231, "(1)"
-	line 234, "pan.___", state 1243, "(1)"
-	line 238, "pan.___", state 1251, "(1)"
-	line 1203, "pan.___", state 1266, "-end-"
-	(71 of 1266 states)
-unreached in proctype :init:
-	(0 of 78 states)
-unreached in proctype :never:
-	line 1262, "pan.___", state 8, "-end-"
-	(1 of 8 states)
-
-pan: elapsed time 1.16e+03 seconds
-pan: rate 1618.1151 states/second
-pan: avg transition delay 1.2841e-06 usec
-cp .input.spin urcu_free.spin.input
-cp .input.spin.trail urcu_free.spin.input.trail
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free.ltl b/formal-model/results/urcu-controldataflow-no-ipi/urcu_free.ltl
deleted file mode 100644
index 6be1be9..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free.ltl
+++ /dev/null
@@ -1 +0,0 @@
-[] (!read_poison)
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free.spin.input b/formal-model/results/urcu-controldataflow-no-ipi/urcu_free.spin.input
deleted file mode 100644
index 542625d..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free.spin.input
+++ /dev/null
@@ -1,1239 +0,0 @@
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-//#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-//#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)
-//#else
-//#define PROGRESS_LABEL(progressid)
-//#endif
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_nested.define b/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_nested.define
deleted file mode 100644
index 0fb59bd..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_nested.define
+++ /dev/null
@@ -1 +0,0 @@
-#define READER_NEST_LEVEL 2
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_mb.define b/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_mb.define
deleted file mode 100644
index d99d793..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_mb.define
+++ /dev/null
@@ -1 +0,0 @@
-#define NO_MB
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_mb.log b/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_mb.log
deleted file mode 100644
index b27c022..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_mb.log
+++ /dev/null
@@ -1,884 +0,0 @@
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define >> pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_free_no_mb.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1258)
-Depth=   11321 States=    1e+06 Transitions= 3.42e+08 Memory=   550.432	t=    421 R=   2e+03
-pan: claim violated! (at depth 1224)
-pan: wrote .input.spin.trail
-
-(Spin Version 5.1.7 -- 23 December 2008)
-Warning: Search not completed
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness disabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 11321, errors: 1
-  1661452 states, stored
-5.1024872e+08 states, matched
-5.1191017e+08 transitions (= stored+matched)
-2.8514789e+09 atomic steps
-hash conflicts: 2.0792287e+08 (resolved)
-
-Stats on memory usage (in Megabytes):
-  183.800	equivalent memory usage for states (stored*(State-vector + overhead))
-  140.372	actual memory usage for states (compression: 76.37%)
-         	state-vector as stored = 61 byte + 28 byte overhead
-    8.000	memory used for hash table (-w20)
-  457.764	memory used for DFS stack (-m10000000)
-  605.998	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 395, "pan.___", state 21, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 53, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 67, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 86, "(1)"
-	line 421, "pan.___", state 116, "(1)"
-	line 425, "pan.___", state 129, "(1)"
-	line 582, "pan.___", state 150, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 395, "pan.___", state 157, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 189, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 203, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 222, "(1)"
-	line 421, "pan.___", state 252, "(1)"
-	line 425, "pan.___", state 265, "(1)"
-	line 395, "pan.___", state 286, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 318, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 332, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 351, "(1)"
-	line 421, "pan.___", state 381, "(1)"
-	line 425, "pan.___", state 394, "(1)"
-	line 395, "pan.___", state 417, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 419, "(1)"
-	line 395, "pan.___", state 420, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 420, "else"
-	line 395, "pan.___", state 423, "(1)"
-	line 399, "pan.___", state 431, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 433, "(1)"
-	line 399, "pan.___", state 434, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 434, "else"
-	line 399, "pan.___", state 437, "(1)"
-	line 399, "pan.___", state 438, "(1)"
-	line 399, "pan.___", state 438, "(1)"
-	line 397, "pan.___", state 443, "((i<1))"
-	line 397, "pan.___", state 443, "((i>=1))"
-	line 404, "pan.___", state 449, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 451, "(1)"
-	line 404, "pan.___", state 452, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 452, "else"
-	line 404, "pan.___", state 455, "(1)"
-	line 404, "pan.___", state 456, "(1)"
-	line 404, "pan.___", state 456, "(1)"
-	line 408, "pan.___", state 463, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 465, "(1)"
-	line 408, "pan.___", state 466, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 466, "else"
-	line 408, "pan.___", state 469, "(1)"
-	line 408, "pan.___", state 470, "(1)"
-	line 408, "pan.___", state 470, "(1)"
-	line 406, "pan.___", state 475, "((i<2))"
-	line 406, "pan.___", state 475, "((i>=2))"
-	line 412, "pan.___", state 482, "(1)"
-	line 412, "pan.___", state 483, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 483, "else"
-	line 412, "pan.___", state 486, "(1)"
-	line 412, "pan.___", state 487, "(1)"
-	line 412, "pan.___", state 487, "(1)"
-	line 416, "pan.___", state 495, "(1)"
-	line 416, "pan.___", state 496, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 496, "else"
-	line 416, "pan.___", state 499, "(1)"
-	line 416, "pan.___", state 500, "(1)"
-	line 416, "pan.___", state 500, "(1)"
-	line 414, "pan.___", state 505, "((i<1))"
-	line 414, "pan.___", state 505, "((i>=1))"
-	line 421, "pan.___", state 512, "(1)"
-	line 421, "pan.___", state 513, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 513, "else"
-	line 421, "pan.___", state 516, "(1)"
-	line 421, "pan.___", state 517, "(1)"
-	line 421, "pan.___", state 517, "(1)"
-	line 425, "pan.___", state 525, "(1)"
-	line 425, "pan.___", state 526, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 526, "else"
-	line 425, "pan.___", state 529, "(1)"
-	line 425, "pan.___", state 530, "(1)"
-	line 425, "pan.___", state 530, "(1)"
-	line 423, "pan.___", state 535, "((i<2))"
-	line 423, "pan.___", state 535, "((i>=2))"
-	line 430, "pan.___", state 539, "(1)"
-	line 430, "pan.___", state 539, "(1)"
-	line 582, "pan.___", state 542, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 582, "pan.___", state 543, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 582, "pan.___", state 544, "(1)"
-	line 250, "pan.___", state 548, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 550, "(1)"
-	line 254, "pan.___", state 557, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 559, "(1)"
-	line 254, "pan.___", state 560, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 560, "else"
-	line 252, "pan.___", state 565, "((i<1))"
-	line 252, "pan.___", state 565, "((i>=1))"
-	line 258, "pan.___", state 570, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 572, "(1)"
-	line 258, "pan.___", state 573, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 573, "else"
-	line 262, "pan.___", state 579, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 581, "(1)"
-	line 262, "pan.___", state 582, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 582, "else"
-	line 260, "pan.___", state 587, "((i<2))"
-	line 260, "pan.___", state 587, "((i>=2))"
-	line 227, "pan.___", state 595, "(1)"
-	line 231, "pan.___", state 603, "(1)"
-	line 231, "pan.___", state 604, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 604, "else"
-	line 229, "pan.___", state 609, "((i<1))"
-	line 229, "pan.___", state 609, "((i>=1))"
-	line 235, "pan.___", state 615, "(1)"
-	line 235, "pan.___", state 616, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 616, "else"
-	line 239, "pan.___", state 623, "(1)"
-	line 239, "pan.___", state 624, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 624, "else"
-	line 244, "pan.___", state 633, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 633, "else"
-	line 277, "pan.___", state 635, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 277, "pan.___", state 635, "else"
-	line 395, "pan.___", state 641, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 673, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 687, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 706, "(1)"
-	line 421, "pan.___", state 736, "(1)"
-	line 425, "pan.___", state 749, "(1)"
-	line 395, "pan.___", state 777, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 779, "(1)"
-	line 395, "pan.___", state 780, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 780, "else"
-	line 395, "pan.___", state 783, "(1)"
-	line 399, "pan.___", state 791, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 793, "(1)"
-	line 399, "pan.___", state 794, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 794, "else"
-	line 399, "pan.___", state 797, "(1)"
-	line 399, "pan.___", state 798, "(1)"
-	line 399, "pan.___", state 798, "(1)"
-	line 397, "pan.___", state 803, "((i<1))"
-	line 397, "pan.___", state 803, "((i>=1))"
-	line 404, "pan.___", state 809, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 811, "(1)"
-	line 404, "pan.___", state 812, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 812, "else"
-	line 404, "pan.___", state 815, "(1)"
-	line 404, "pan.___", state 816, "(1)"
-	line 404, "pan.___", state 816, "(1)"
-	line 408, "pan.___", state 823, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 825, "(1)"
-	line 408, "pan.___", state 826, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 826, "else"
-	line 408, "pan.___", state 829, "(1)"
-	line 408, "pan.___", state 830, "(1)"
-	line 408, "pan.___", state 830, "(1)"
-	line 406, "pan.___", state 835, "((i<2))"
-	line 406, "pan.___", state 835, "((i>=2))"
-	line 412, "pan.___", state 842, "(1)"
-	line 412, "pan.___", state 843, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 843, "else"
-	line 412, "pan.___", state 846, "(1)"
-	line 412, "pan.___", state 847, "(1)"
-	line 412, "pan.___", state 847, "(1)"
-	line 416, "pan.___", state 855, "(1)"
-	line 416, "pan.___", state 856, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 856, "else"
-	line 416, "pan.___", state 859, "(1)"
-	line 416, "pan.___", state 860, "(1)"
-	line 416, "pan.___", state 860, "(1)"
-	line 414, "pan.___", state 865, "((i<1))"
-	line 414, "pan.___", state 865, "((i>=1))"
-	line 421, "pan.___", state 872, "(1)"
-	line 421, "pan.___", state 873, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 873, "else"
-	line 421, "pan.___", state 876, "(1)"
-	line 421, "pan.___", state 877, "(1)"
-	line 421, "pan.___", state 877, "(1)"
-	line 425, "pan.___", state 885, "(1)"
-	line 425, "pan.___", state 886, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 886, "else"
-	line 425, "pan.___", state 889, "(1)"
-	line 425, "pan.___", state 890, "(1)"
-	line 425, "pan.___", state 890, "(1)"
-	line 430, "pan.___", state 899, "(1)"
-	line 430, "pan.___", state 899, "(1)"
-	line 395, "pan.___", state 906, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 908, "(1)"
-	line 395, "pan.___", state 909, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 909, "else"
-	line 395, "pan.___", state 912, "(1)"
-	line 399, "pan.___", state 920, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 922, "(1)"
-	line 399, "pan.___", state 923, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 923, "else"
-	line 399, "pan.___", state 926, "(1)"
-	line 399, "pan.___", state 927, "(1)"
-	line 399, "pan.___", state 927, "(1)"
-	line 397, "pan.___", state 932, "((i<1))"
-	line 397, "pan.___", state 932, "((i>=1))"
-	line 404, "pan.___", state 938, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 940, "(1)"
-	line 404, "pan.___", state 941, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 941, "else"
-	line 404, "pan.___", state 944, "(1)"
-	line 404, "pan.___", state 945, "(1)"
-	line 404, "pan.___", state 945, "(1)"
-	line 408, "pan.___", state 952, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 954, "(1)"
-	line 408, "pan.___", state 955, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 955, "else"
-	line 408, "pan.___", state 958, "(1)"
-	line 408, "pan.___", state 959, "(1)"
-	line 408, "pan.___", state 959, "(1)"
-	line 406, "pan.___", state 964, "((i<2))"
-	line 406, "pan.___", state 964, "((i>=2))"
-	line 412, "pan.___", state 971, "(1)"
-	line 412, "pan.___", state 972, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 972, "else"
-	line 412, "pan.___", state 975, "(1)"
-	line 412, "pan.___", state 976, "(1)"
-	line 412, "pan.___", state 976, "(1)"
-	line 416, "pan.___", state 984, "(1)"
-	line 416, "pan.___", state 985, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 985, "else"
-	line 416, "pan.___", state 988, "(1)"
-	line 416, "pan.___", state 989, "(1)"
-	line 416, "pan.___", state 989, "(1)"
-	line 414, "pan.___", state 994, "((i<1))"
-	line 414, "pan.___", state 994, "((i>=1))"
-	line 421, "pan.___", state 1001, "(1)"
-	line 421, "pan.___", state 1002, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 1002, "else"
-	line 421, "pan.___", state 1005, "(1)"
-	line 421, "pan.___", state 1006, "(1)"
-	line 421, "pan.___", state 1006, "(1)"
-	line 425, "pan.___", state 1014, "(1)"
-	line 425, "pan.___", state 1015, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 1015, "else"
-	line 425, "pan.___", state 1018, "(1)"
-	line 425, "pan.___", state 1019, "(1)"
-	line 425, "pan.___", state 1019, "(1)"
-	line 423, "pan.___", state 1024, "((i<2))"
-	line 423, "pan.___", state 1024, "((i>=2))"
-	line 430, "pan.___", state 1028, "(1)"
-	line 430, "pan.___", state 1028, "(1)"
-	line 590, "pan.___", state 1032, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 395, "pan.___", state 1037, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1069, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1083, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1102, "(1)"
-	line 421, "pan.___", state 1132, "(1)"
-	line 425, "pan.___", state 1145, "(1)"
-	line 395, "pan.___", state 1169, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1201, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1215, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1234, "(1)"
-	line 421, "pan.___", state 1264, "(1)"
-	line 425, "pan.___", state 1277, "(1)"
-	line 395, "pan.___", state 1302, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1334, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1348, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1367, "(1)"
-	line 421, "pan.___", state 1397, "(1)"
-	line 425, "pan.___", state 1410, "(1)"
-	line 395, "pan.___", state 1431, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1463, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1477, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1496, "(1)"
-	line 421, "pan.___", state 1526, "(1)"
-	line 425, "pan.___", state 1539, "(1)"
-	line 250, "pan.___", state 1562, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 1564, "(1)"
-	line 254, "pan.___", state 1571, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1573, "(1)"
-	line 254, "pan.___", state 1574, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 1574, "else"
-	line 252, "pan.___", state 1579, "((i<1))"
-	line 252, "pan.___", state 1579, "((i>=1))"
-	line 258, "pan.___", state 1584, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1586, "(1)"
-	line 258, "pan.___", state 1587, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 1587, "else"
-	line 262, "pan.___", state 1593, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1595, "(1)"
-	line 262, "pan.___", state 1596, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 1596, "else"
-	line 260, "pan.___", state 1601, "((i<2))"
-	line 260, "pan.___", state 1601, "((i>=2))"
-	line 227, "pan.___", state 1609, "(1)"
-	line 231, "pan.___", state 1617, "(1)"
-	line 231, "pan.___", state 1618, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1618, "else"
-	line 229, "pan.___", state 1623, "((i<1))"
-	line 229, "pan.___", state 1623, "((i>=1))"
-	line 235, "pan.___", state 1629, "(1)"
-	line 235, "pan.___", state 1630, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1630, "else"
-	line 239, "pan.___", state 1637, "(1)"
-	line 239, "pan.___", state 1638, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1638, "else"
-	line 244, "pan.___", state 1647, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1647, "else"
-	line 277, "pan.___", state 1649, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 277, "pan.___", state 1649, "else"
-	line 395, "pan.___", state 1655, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1687, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1701, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1720, "(1)"
-	line 421, "pan.___", state 1750, "(1)"
-	line 425, "pan.___", state 1763, "(1)"
-	line 395, "pan.___", state 1784, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1816, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1830, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1849, "(1)"
-	line 421, "pan.___", state 1879, "(1)"
-	line 425, "pan.___", state 1892, "(1)"
-	line 395, "pan.___", state 1916, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1948, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1962, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1981, "(1)"
-	line 421, "pan.___", state 2011, "(1)"
-	line 425, "pan.___", state 2024, "(1)"
-	line 629, "pan.___", state 2045, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 395, "pan.___", state 2052, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2084, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2098, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2117, "(1)"
-	line 421, "pan.___", state 2147, "(1)"
-	line 425, "pan.___", state 2160, "(1)"
-	line 395, "pan.___", state 2181, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2213, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2227, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2246, "(1)"
-	line 421, "pan.___", state 2276, "(1)"
-	line 425, "pan.___", state 2289, "(1)"
-	line 395, "pan.___", state 2312, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 2314, "(1)"
-	line 395, "pan.___", state 2315, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 2315, "else"
-	line 395, "pan.___", state 2318, "(1)"
-	line 399, "pan.___", state 2326, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2328, "(1)"
-	line 399, "pan.___", state 2329, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 2329, "else"
-	line 399, "pan.___", state 2332, "(1)"
-	line 399, "pan.___", state 2333, "(1)"
-	line 399, "pan.___", state 2333, "(1)"
-	line 397, "pan.___", state 2338, "((i<1))"
-	line 397, "pan.___", state 2338, "((i>=1))"
-	line 404, "pan.___", state 2344, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2346, "(1)"
-	line 404, "pan.___", state 2347, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 2347, "else"
-	line 404, "pan.___", state 2350, "(1)"
-	line 404, "pan.___", state 2351, "(1)"
-	line 404, "pan.___", state 2351, "(1)"
-	line 408, "pan.___", state 2358, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2360, "(1)"
-	line 408, "pan.___", state 2361, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 2361, "else"
-	line 408, "pan.___", state 2364, "(1)"
-	line 408, "pan.___", state 2365, "(1)"
-	line 408, "pan.___", state 2365, "(1)"
-	line 406, "pan.___", state 2370, "((i<2))"
-	line 406, "pan.___", state 2370, "((i>=2))"
-	line 412, "pan.___", state 2377, "(1)"
-	line 412, "pan.___", state 2378, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 2378, "else"
-	line 412, "pan.___", state 2381, "(1)"
-	line 412, "pan.___", state 2382, "(1)"
-	line 412, "pan.___", state 2382, "(1)"
-	line 416, "pan.___", state 2390, "(1)"
-	line 416, "pan.___", state 2391, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 2391, "else"
-	line 416, "pan.___", state 2394, "(1)"
-	line 416, "pan.___", state 2395, "(1)"
-	line 416, "pan.___", state 2395, "(1)"
-	line 414, "pan.___", state 2400, "((i<1))"
-	line 414, "pan.___", state 2400, "((i>=1))"
-	line 421, "pan.___", state 2407, "(1)"
-	line 421, "pan.___", state 2408, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 2408, "else"
-	line 421, "pan.___", state 2411, "(1)"
-	line 421, "pan.___", state 2412, "(1)"
-	line 421, "pan.___", state 2412, "(1)"
-	line 425, "pan.___", state 2420, "(1)"
-	line 425, "pan.___", state 2421, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 2421, "else"
-	line 425, "pan.___", state 2424, "(1)"
-	line 425, "pan.___", state 2425, "(1)"
-	line 425, "pan.___", state 2425, "(1)"
-	line 423, "pan.___", state 2430, "((i<2))"
-	line 423, "pan.___", state 2430, "((i>=2))"
-	line 430, "pan.___", state 2434, "(1)"
-	line 430, "pan.___", state 2434, "(1)"
-	line 629, "pan.___", state 2437, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 629, "pan.___", state 2438, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 629, "pan.___", state 2439, "(1)"
-	line 250, "pan.___", state 2443, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 2445, "(1)"
-	line 254, "pan.___", state 2452, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 2454, "(1)"
-	line 254, "pan.___", state 2455, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 2455, "else"
-	line 252, "pan.___", state 2460, "((i<1))"
-	line 252, "pan.___", state 2460, "((i>=1))"
-	line 258, "pan.___", state 2465, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 2467, "(1)"
-	line 258, "pan.___", state 2468, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 2468, "else"
-	line 262, "pan.___", state 2474, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 2476, "(1)"
-	line 262, "pan.___", state 2477, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 2477, "else"
-	line 260, "pan.___", state 2482, "((i<2))"
-	line 260, "pan.___", state 2482, "((i>=2))"
-	line 227, "pan.___", state 2490, "(1)"
-	line 231, "pan.___", state 2498, "(1)"
-	line 231, "pan.___", state 2499, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 2499, "else"
-	line 229, "pan.___", state 2504, "((i<1))"
-	line 229, "pan.___", state 2504, "((i>=1))"
-	line 235, "pan.___", state 2510, "(1)"
-	line 235, "pan.___", state 2511, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 2511, "else"
-	line 239, "pan.___", state 2518, "(1)"
-	line 239, "pan.___", state 2519, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 2519, "else"
-	line 244, "pan.___", state 2528, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 2528, "else"
-	line 277, "pan.___", state 2530, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 277, "pan.___", state 2530, "else"
-	line 395, "pan.___", state 2536, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2568, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2582, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2601, "(1)"
-	line 421, "pan.___", state 2631, "(1)"
-	line 425, "pan.___", state 2644, "(1)"
-	line 250, "pan.___", state 2668, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 2670, "(1)"
-	line 254, "pan.___", state 2677, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 2679, "(1)"
-	line 254, "pan.___", state 2680, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 2680, "else"
-	line 252, "pan.___", state 2685, "((i<1))"
-	line 252, "pan.___", state 2685, "((i>=1))"
-	line 258, "pan.___", state 2690, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 2692, "(1)"
-	line 258, "pan.___", state 2693, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 2693, "else"
-	line 262, "pan.___", state 2699, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 2701, "(1)"
-	line 262, "pan.___", state 2702, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 2702, "else"
-	line 260, "pan.___", state 2707, "((i<2))"
-	line 260, "pan.___", state 2707, "((i>=2))"
-	line 227, "pan.___", state 2715, "(1)"
-	line 231, "pan.___", state 2723, "(1)"
-	line 231, "pan.___", state 2724, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 2724, "else"
-	line 229, "pan.___", state 2729, "((i<1))"
-	line 229, "pan.___", state 2729, "((i>=1))"
-	line 235, "pan.___", state 2735, "(1)"
-	line 235, "pan.___", state 2736, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 2736, "else"
-	line 239, "pan.___", state 2743, "(1)"
-	line 239, "pan.___", state 2744, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 2744, "else"
-	line 244, "pan.___", state 2753, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 2753, "else"
-	line 277, "pan.___", state 2755, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 277, "pan.___", state 2755, "else"
-	line 395, "pan.___", state 2761, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2793, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2807, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2826, "(1)"
-	line 421, "pan.___", state 2856, "(1)"
-	line 425, "pan.___", state 2869, "(1)"
-	line 395, "pan.___", state 2890, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2922, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2936, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2955, "(1)"
-	line 421, "pan.___", state 2985, "(1)"
-	line 425, "pan.___", state 2998, "(1)"
-	line 227, "pan.___", state 3031, "(1)"
-	line 235, "pan.___", state 3051, "(1)"
-	line 239, "pan.___", state 3059, "(1)"
-	line 227, "pan.___", state 3074, "(1)"
-	line 235, "pan.___", state 3094, "(1)"
-	line 239, "pan.___", state 3102, "(1)"
-	line 877, "pan.___", state 3119, "-end-"
-	(363 of 3119 states)
-unreached in proctype urcu_writer
-	line 395, "pan.___", state 20, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 26, "(1)"
-	line 399, "pan.___", state 34, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 40, "(1)"
-	line 399, "pan.___", state 41, "(1)"
-	line 399, "pan.___", state 41, "(1)"
-	line 397, "pan.___", state 46, "((i<1))"
-	line 397, "pan.___", state 46, "((i>=1))"
-	line 404, "pan.___", state 52, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 58, "(1)"
-	line 404, "pan.___", state 59, "(1)"
-	line 404, "pan.___", state 59, "(1)"
-	line 408, "pan.___", state 72, "(1)"
-	line 408, "pan.___", state 73, "(1)"
-	line 408, "pan.___", state 73, "(1)"
-	line 406, "pan.___", state 78, "((i<2))"
-	line 406, "pan.___", state 78, "((i>=2))"
-	line 412, "pan.___", state 85, "(1)"
-	line 412, "pan.___", state 86, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 86, "else"
-	line 412, "pan.___", state 89, "(1)"
-	line 412, "pan.___", state 90, "(1)"
-	line 412, "pan.___", state 90, "(1)"
-	line 416, "pan.___", state 98, "(1)"
-	line 416, "pan.___", state 99, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 99, "else"
-	line 416, "pan.___", state 102, "(1)"
-	line 416, "pan.___", state 103, "(1)"
-	line 416, "pan.___", state 103, "(1)"
-	line 414, "pan.___", state 108, "((i<1))"
-	line 414, "pan.___", state 108, "((i>=1))"
-	line 421, "pan.___", state 115, "(1)"
-	line 421, "pan.___", state 116, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 116, "else"
-	line 421, "pan.___", state 119, "(1)"
-	line 421, "pan.___", state 120, "(1)"
-	line 421, "pan.___", state 120, "(1)"
-	line 425, "pan.___", state 128, "(1)"
-	line 425, "pan.___", state 129, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 129, "else"
-	line 425, "pan.___", state 132, "(1)"
-	line 425, "pan.___", state 133, "(1)"
-	line 425, "pan.___", state 133, "(1)"
-	line 423, "pan.___", state 138, "((i<2))"
-	line 423, "pan.___", state 138, "((i>=2))"
-	line 430, "pan.___", state 142, "(1)"
-	line 430, "pan.___", state 142, "(1)"
-	line 250, "pan.___", state 151, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 160, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 252, "pan.___", state 168, "((i<1))"
-	line 252, "pan.___", state 168, "((i>=1))"
-	line 258, "pan.___", state 173, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 1000, "pan.___", state 201, "old_data = cached_rcu_ptr.val[_pid]"
-	line 1011, "pan.___", state 205, "_proc_urcu_writer = (_proc_urcu_writer|(1<<4))"
-	line 395, "pan.___", state 213, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 219, "(1)"
-	line 399, "pan.___", state 227, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 233, "(1)"
-	line 399, "pan.___", state 234, "(1)"
-	line 399, "pan.___", state 234, "(1)"
-	line 397, "pan.___", state 239, "((i<1))"
-	line 397, "pan.___", state 239, "((i>=1))"
-	line 404, "pan.___", state 247, "(1)"
-	line 404, "pan.___", state 248, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 248, "else"
-	line 404, "pan.___", state 251, "(1)"
-	line 404, "pan.___", state 252, "(1)"
-	line 404, "pan.___", state 252, "(1)"
-	line 408, "pan.___", state 259, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 265, "(1)"
-	line 408, "pan.___", state 266, "(1)"
-	line 408, "pan.___", state 266, "(1)"
-	line 406, "pan.___", state 271, "((i<2))"
-	line 406, "pan.___", state 271, "((i>=2))"
-	line 412, "pan.___", state 278, "(1)"
-	line 412, "pan.___", state 279, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 279, "else"
-	line 412, "pan.___", state 282, "(1)"
-	line 412, "pan.___", state 283, "(1)"
-	line 412, "pan.___", state 283, "(1)"
-	line 416, "pan.___", state 291, "(1)"
-	line 416, "pan.___", state 292, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 292, "else"
-	line 416, "pan.___", state 295, "(1)"
-	line 416, "pan.___", state 296, "(1)"
-	line 416, "pan.___", state 296, "(1)"
-	line 414, "pan.___", state 301, "((i<1))"
-	line 414, "pan.___", state 301, "((i>=1))"
-	line 421, "pan.___", state 308, "(1)"
-	line 421, "pan.___", state 309, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 309, "else"
-	line 421, "pan.___", state 312, "(1)"
-	line 421, "pan.___", state 313, "(1)"
-	line 421, "pan.___", state 313, "(1)"
-	line 425, "pan.___", state 321, "(1)"
-	line 425, "pan.___", state 322, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 322, "else"
-	line 425, "pan.___", state 325, "(1)"
-	line 425, "pan.___", state 326, "(1)"
-	line 425, "pan.___", state 326, "(1)"
-	line 423, "pan.___", state 331, "((i<2))"
-	line 423, "pan.___", state 331, "((i>=2))"
-	line 430, "pan.___", state 335, "(1)"
-	line 430, "pan.___", state 335, "(1)"
-	line 395, "pan.___", state 346, "(1)"
-	line 395, "pan.___", state 347, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 347, "else"
-	line 395, "pan.___", state 350, "(1)"
-	line 399, "pan.___", state 358, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 364, "(1)"
-	line 399, "pan.___", state 365, "(1)"
-	line 399, "pan.___", state 365, "(1)"
-	line 397, "pan.___", state 370, "((i<1))"
-	line 397, "pan.___", state 370, "((i>=1))"
-	line 404, "pan.___", state 376, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 382, "(1)"
-	line 404, "pan.___", state 383, "(1)"
-	line 404, "pan.___", state 383, "(1)"
-	line 408, "pan.___", state 390, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 396, "(1)"
-	line 408, "pan.___", state 397, "(1)"
-	line 408, "pan.___", state 397, "(1)"
-	line 406, "pan.___", state 402, "((i<2))"
-	line 406, "pan.___", state 402, "((i>=2))"
-	line 412, "pan.___", state 409, "(1)"
-	line 412, "pan.___", state 410, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 410, "else"
-	line 412, "pan.___", state 413, "(1)"
-	line 412, "pan.___", state 414, "(1)"
-	line 412, "pan.___", state 414, "(1)"
-	line 416, "pan.___", state 422, "(1)"
-	line 416, "pan.___", state 423, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 423, "else"
-	line 416, "pan.___", state 426, "(1)"
-	line 416, "pan.___", state 427, "(1)"
-	line 416, "pan.___", state 427, "(1)"
-	line 414, "pan.___", state 432, "((i<1))"
-	line 414, "pan.___", state 432, "((i>=1))"
-	line 421, "pan.___", state 439, "(1)"
-	line 421, "pan.___", state 440, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 440, "else"
-	line 421, "pan.___", state 443, "(1)"
-	line 421, "pan.___", state 444, "(1)"
-	line 421, "pan.___", state 444, "(1)"
-	line 425, "pan.___", state 452, "(1)"
-	line 425, "pan.___", state 453, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 453, "else"
-	line 425, "pan.___", state 456, "(1)"
-	line 425, "pan.___", state 457, "(1)"
-	line 425, "pan.___", state 457, "(1)"
-	line 423, "pan.___", state 462, "((i<2))"
-	line 423, "pan.___", state 462, "((i>=2))"
-	line 430, "pan.___", state 466, "(1)"
-	line 430, "pan.___", state 466, "(1)"
-	line 1063, "pan.___", state 477, "_proc_urcu_writer = (_proc_urcu_writer&~(((1<<8)|(1<<7))))"
-	line 395, "pan.___", state 482, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 488, "(1)"
-	line 399, "pan.___", state 496, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 502, "(1)"
-	line 399, "pan.___", state 503, "(1)"
-	line 399, "pan.___", state 503, "(1)"
-	line 397, "pan.___", state 508, "((i<1))"
-	line 397, "pan.___", state 508, "((i>=1))"
-	line 404, "pan.___", state 514, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 520, "(1)"
-	line 404, "pan.___", state 521, "(1)"
-	line 404, "pan.___", state 521, "(1)"
-	line 408, "pan.___", state 528, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 534, "(1)"
-	line 408, "pan.___", state 535, "(1)"
-	line 408, "pan.___", state 535, "(1)"
-	line 406, "pan.___", state 540, "((i<2))"
-	line 406, "pan.___", state 540, "((i>=2))"
-	line 412, "pan.___", state 547, "(1)"
-	line 412, "pan.___", state 548, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 548, "else"
-	line 412, "pan.___", state 551, "(1)"
-	line 412, "pan.___", state 552, "(1)"
-	line 412, "pan.___", state 552, "(1)"
-	line 416, "pan.___", state 560, "(1)"
-	line 416, "pan.___", state 561, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 561, "else"
-	line 416, "pan.___", state 564, "(1)"
-	line 416, "pan.___", state 565, "(1)"
-	line 416, "pan.___", state 565, "(1)"
-	line 414, "pan.___", state 570, "((i<1))"
-	line 414, "pan.___", state 570, "((i>=1))"
-	line 421, "pan.___", state 577, "(1)"
-	line 421, "pan.___", state 578, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 578, "else"
-	line 421, "pan.___", state 581, "(1)"
-	line 421, "pan.___", state 582, "(1)"
-	line 421, "pan.___", state 582, "(1)"
-	line 425, "pan.___", state 590, "(1)"
-	line 425, "pan.___", state 591, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 591, "else"
-	line 425, "pan.___", state 594, "(1)"
-	line 425, "pan.___", state 595, "(1)"
-	line 425, "pan.___", state 595, "(1)"
-	line 430, "pan.___", state 604, "(1)"
-	line 430, "pan.___", state 604, "(1)"
-	line 395, "pan.___", state 611, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 625, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 643, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 676, "(1)"
-	line 416, "pan.___", state 689, "(1)"
-	line 421, "pan.___", state 706, "(1)"
-	line 425, "pan.___", state 719, "(1)"
-	line 399, "pan.___", state 756, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 774, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 788, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 820, "(1)"
-	line 421, "pan.___", state 837, "(1)"
-	line 425, "pan.___", state 850, "(1)"
-	line 1135, "pan.___", state 877, "_proc_urcu_writer = (_proc_urcu_writer|(1<<13))"
-	line 250, "pan.___", state 905, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 907, "(1)"
-	line 254, "pan.___", state 914, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 916, "(1)"
-	line 254, "pan.___", state 917, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 917, "else"
-	line 252, "pan.___", state 922, "((i<1))"
-	line 252, "pan.___", state 922, "((i>=1))"
-	line 258, "pan.___", state 927, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 929, "(1)"
-	line 258, "pan.___", state 930, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 930, "else"
-	line 262, "pan.___", state 936, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 938, "(1)"
-	line 262, "pan.___", state 939, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 939, "else"
-	line 260, "pan.___", state 944, "((i<2))"
-	line 260, "pan.___", state 944, "((i>=2))"
-	line 227, "pan.___", state 952, "(1)"
-	line 231, "pan.___", state 960, "(1)"
-	line 231, "pan.___", state 961, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 961, "else"
-	line 229, "pan.___", state 966, "((i<1))"
-	line 229, "pan.___", state 966, "((i>=1))"
-	line 235, "pan.___", state 972, "(1)"
-	line 235, "pan.___", state 973, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 973, "else"
-	line 239, "pan.___", state 980, "(1)"
-	line 239, "pan.___", state 981, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 981, "else"
-	line 244, "pan.___", state 990, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 990, "else"
-	line 277, "pan.___", state 992, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 277, "pan.___", state 992, "else"
-	line 250, "pan.___", state 996, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 998, "(1)"
-	line 254, "pan.___", state 1005, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1007, "(1)"
-	line 254, "pan.___", state 1008, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 1008, "else"
-	line 252, "pan.___", state 1013, "((i<1))"
-	line 252, "pan.___", state 1013, "((i>=1))"
-	line 258, "pan.___", state 1018, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1020, "(1)"
-	line 258, "pan.___", state 1021, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 1021, "else"
-	line 262, "pan.___", state 1027, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1029, "(1)"
-	line 262, "pan.___", state 1030, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 1030, "else"
-	line 260, "pan.___", state 1035, "((i<2))"
-	line 260, "pan.___", state 1035, "((i>=2))"
-	line 227, "pan.___", state 1043, "(1)"
-	line 231, "pan.___", state 1051, "(1)"
-	line 231, "pan.___", state 1052, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1052, "else"
-	line 229, "pan.___", state 1057, "((i<1))"
-	line 229, "pan.___", state 1057, "((i>=1))"
-	line 235, "pan.___", state 1063, "(1)"
-	line 235, "pan.___", state 1064, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1064, "else"
-	line 239, "pan.___", state 1071, "(1)"
-	line 239, "pan.___", state 1072, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1072, "else"
-	line 244, "pan.___", state 1081, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1081, "else"
-	line 277, "pan.___", state 1083, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 277, "pan.___", state 1083, "else"
-	line 254, "pan.___", state 1096, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1109, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1118, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1134, "(1)"
-	line 231, "pan.___", state 1142, "(1)"
-	line 235, "pan.___", state 1154, "(1)"
-	line 239, "pan.___", state 1162, "(1)"
-	line 250, "pan.___", state 1178, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 1180, "(1)"
-	line 254, "pan.___", state 1187, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1189, "(1)"
-	line 254, "pan.___", state 1190, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 1190, "else"
-	line 252, "pan.___", state 1195, "((i<1))"
-	line 252, "pan.___", state 1195, "((i>=1))"
-	line 258, "pan.___", state 1200, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1202, "(1)"
-	line 258, "pan.___", state 1203, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 1203, "else"
-	line 262, "pan.___", state 1209, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1211, "(1)"
-	line 262, "pan.___", state 1212, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 1212, "else"
-	line 260, "pan.___", state 1217, "((i<2))"
-	line 260, "pan.___", state 1217, "((i>=2))"
-	line 227, "pan.___", state 1225, "(1)"
-	line 231, "pan.___", state 1233, "(1)"
-	line 231, "pan.___", state 1234, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1234, "else"
-	line 229, "pan.___", state 1239, "((i<1))"
-	line 229, "pan.___", state 1239, "((i>=1))"
-	line 235, "pan.___", state 1245, "(1)"
-	line 235, "pan.___", state 1246, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1246, "else"
-	line 239, "pan.___", state 1253, "(1)"
-	line 239, "pan.___", state 1254, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1254, "else"
-	line 244, "pan.___", state 1263, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1263, "else"
-	line 277, "pan.___", state 1265, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 277, "pan.___", state 1265, "else"
-	line 1204, "pan.___", state 1268, "-end-"
-	(226 of 1268 states)
-unreached in proctype :init:
-	line 1215, "pan.___", state 9, "((j<2))"
-	line 1215, "pan.___", state 9, "((j>=2))"
-	line 1216, "pan.___", state 20, "((j<2))"
-	line 1216, "pan.___", state 20, "((j>=2))"
-	line 1221, "pan.___", state 33, "((j<2))"
-	line 1221, "pan.___", state 33, "((j>=2))"
-	line 1219, "pan.___", state 43, "((i<1))"
-	line 1219, "pan.___", state 43, "((i>=1))"
-	line 1229, "pan.___", state 54, "((j<2))"
-	line 1229, "pan.___", state 54, "((j>=2))"
-	line 1233, "pan.___", state 67, "((j<2))"
-	line 1233, "pan.___", state 67, "((j>=2))"
-	(6 of 78 states)
-unreached in proctype :never:
-	line 1263, "pan.___", state 8, "-end-"
-	(1 of 8 states)
-
-pan: elapsed time 632 seconds
-pan: rate  2628.547 states/second
-pan: avg transition delay 1.2347e-06 usec
-cp .input.spin urcu_free_no_mb.spin.input
-cp .input.spin.trail urcu_free_no_mb.spin.input.trail
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_mb.spin.input b/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_mb.spin.input
deleted file mode 100644
index 77b6cf8..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_mb.spin.input
+++ /dev/null
@@ -1,1240 +0,0 @@
-#define NO_MB
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-//#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-//#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)
-//#else
-//#define PROGRESS_LABEL(progressid)
-//#endif
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_mb.spin.input.trail b/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_mb.spin.input.trail
deleted file mode 100644
index ea8ed03..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_mb.spin.input.trail
+++ /dev/null
@@ -1,1227 +0,0 @@
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-511:2:3725
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diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_rmb.define b/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_rmb.define
deleted file mode 100644
index 73e61a4..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_rmb.define
+++ /dev/null
@@ -1 +0,0 @@
-#define NO_RMB
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_rmb.log b/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_rmb.log
deleted file mode 100644
index c1be1de..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_rmb.log
+++ /dev/null
@@ -1,588 +0,0 @@
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define >> pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_free_no_rmb.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1258)
-pan: claim violated! (at depth 1714)
-pan: wrote .input.spin.trail
-
-(Spin Version 5.1.7 -- 23 December 2008)
-Warning: Search not completed
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness disabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 4557, errors: 1
-   191938 states, stored
- 81734116 states, matched
- 81926054 transitions (= stored+matched)
-4.8026893e+08 atomic steps
-hash conflicts:   5624584 (resolved)
-
-Stats on memory usage (in Megabytes):
-   21.233	equivalent memory usage for states (stored*(State-vector + overhead))
-   16.849	actual memory usage for states (compression: 79.35%)
-         	state-vector as stored = 64 byte + 28 byte overhead
-    8.000	memory used for hash table (-w20)
-  457.764	memory used for DFS stack (-m10000000)
-  482.561	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 395, "pan.___", state 17, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 49, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 63, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 82, "(1)"
-	line 421, "pan.___", state 112, "(1)"
-	line 425, "pan.___", state 125, "(1)"
-	line 576, "pan.___", state 146, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 395, "pan.___", state 153, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 185, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 199, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 218, "(1)"
-	line 421, "pan.___", state 248, "(1)"
-	line 425, "pan.___", state 261, "(1)"
-	line 395, "pan.___", state 282, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 314, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 328, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 347, "(1)"
-	line 421, "pan.___", state 377, "(1)"
-	line 425, "pan.___", state 390, "(1)"
-	line 395, "pan.___", state 413, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 415, "(1)"
-	line 395, "pan.___", state 416, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 416, "else"
-	line 395, "pan.___", state 419, "(1)"
-	line 399, "pan.___", state 427, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 429, "(1)"
-	line 399, "pan.___", state 430, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 430, "else"
-	line 399, "pan.___", state 433, "(1)"
-	line 399, "pan.___", state 434, "(1)"
-	line 399, "pan.___", state 434, "(1)"
-	line 397, "pan.___", state 439, "((i<1))"
-	line 397, "pan.___", state 439, "((i>=1))"
-	line 404, "pan.___", state 445, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 447, "(1)"
-	line 404, "pan.___", state 448, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 448, "else"
-	line 404, "pan.___", state 451, "(1)"
-	line 404, "pan.___", state 452, "(1)"
-	line 404, "pan.___", state 452, "(1)"
-	line 408, "pan.___", state 459, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 461, "(1)"
-	line 408, "pan.___", state 462, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 462, "else"
-	line 408, "pan.___", state 465, "(1)"
-	line 408, "pan.___", state 466, "(1)"
-	line 408, "pan.___", state 466, "(1)"
-	line 406, "pan.___", state 471, "((i<2))"
-	line 406, "pan.___", state 471, "((i>=2))"
-	line 412, "pan.___", state 478, "(1)"
-	line 412, "pan.___", state 479, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 479, "else"
-	line 412, "pan.___", state 482, "(1)"
-	line 412, "pan.___", state 483, "(1)"
-	line 412, "pan.___", state 483, "(1)"
-	line 416, "pan.___", state 491, "(1)"
-	line 416, "pan.___", state 492, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 492, "else"
-	line 416, "pan.___", state 495, "(1)"
-	line 416, "pan.___", state 496, "(1)"
-	line 416, "pan.___", state 496, "(1)"
-	line 414, "pan.___", state 501, "((i<1))"
-	line 414, "pan.___", state 501, "((i>=1))"
-	line 421, "pan.___", state 508, "(1)"
-	line 421, "pan.___", state 509, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 509, "else"
-	line 421, "pan.___", state 512, "(1)"
-	line 421, "pan.___", state 513, "(1)"
-	line 421, "pan.___", state 513, "(1)"
-	line 425, "pan.___", state 521, "(1)"
-	line 425, "pan.___", state 522, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 522, "else"
-	line 425, "pan.___", state 525, "(1)"
-	line 425, "pan.___", state 526, "(1)"
-	line 425, "pan.___", state 526, "(1)"
-	line 423, "pan.___", state 531, "((i<2))"
-	line 423, "pan.___", state 531, "((i>=2))"
-	line 430, "pan.___", state 535, "(1)"
-	line 430, "pan.___", state 535, "(1)"
-	line 576, "pan.___", state 538, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 576, "pan.___", state 539, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 576, "pan.___", state 540, "(1)"
-	line 250, "pan.___", state 544, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 555, "(1)"
-	line 258, "pan.___", state 566, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 575, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 591, "(1)"
-	line 231, "pan.___", state 599, "(1)"
-	line 235, "pan.___", state 611, "(1)"
-	line 239, "pan.___", state 619, "(1)"
-	line 395, "pan.___", state 637, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 651, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 669, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 683, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 702, "(1)"
-	line 416, "pan.___", state 715, "(1)"
-	line 421, "pan.___", state 732, "(1)"
-	line 425, "pan.___", state 745, "(1)"
-	line 395, "pan.___", state 773, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 775, "(1)"
-	line 395, "pan.___", state 776, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 776, "else"
-	line 395, "pan.___", state 779, "(1)"
-	line 399, "pan.___", state 787, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 789, "(1)"
-	line 399, "pan.___", state 790, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 790, "else"
-	line 399, "pan.___", state 793, "(1)"
-	line 399, "pan.___", state 794, "(1)"
-	line 399, "pan.___", state 794, "(1)"
-	line 397, "pan.___", state 799, "((i<1))"
-	line 397, "pan.___", state 799, "((i>=1))"
-	line 404, "pan.___", state 805, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 807, "(1)"
-	line 404, "pan.___", state 808, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 808, "else"
-	line 404, "pan.___", state 811, "(1)"
-	line 404, "pan.___", state 812, "(1)"
-	line 404, "pan.___", state 812, "(1)"
-	line 408, "pan.___", state 819, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 821, "(1)"
-	line 408, "pan.___", state 822, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 822, "else"
-	line 408, "pan.___", state 825, "(1)"
-	line 408, "pan.___", state 826, "(1)"
-	line 408, "pan.___", state 826, "(1)"
-	line 406, "pan.___", state 831, "((i<2))"
-	line 406, "pan.___", state 831, "((i>=2))"
-	line 412, "pan.___", state 838, "(1)"
-	line 412, "pan.___", state 839, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 839, "else"
-	line 412, "pan.___", state 842, "(1)"
-	line 412, "pan.___", state 843, "(1)"
-	line 412, "pan.___", state 843, "(1)"
-	line 416, "pan.___", state 851, "(1)"
-	line 416, "pan.___", state 852, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 852, "else"
-	line 416, "pan.___", state 855, "(1)"
-	line 416, "pan.___", state 856, "(1)"
-	line 416, "pan.___", state 856, "(1)"
-	line 414, "pan.___", state 861, "((i<1))"
-	line 414, "pan.___", state 861, "((i>=1))"
-	line 421, "pan.___", state 868, "(1)"
-	line 421, "pan.___", state 869, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 869, "else"
-	line 421, "pan.___", state 872, "(1)"
-	line 421, "pan.___", state 873, "(1)"
-	line 421, "pan.___", state 873, "(1)"
-	line 425, "pan.___", state 881, "(1)"
-	line 425, "pan.___", state 882, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 882, "else"
-	line 425, "pan.___", state 885, "(1)"
-	line 425, "pan.___", state 886, "(1)"
-	line 425, "pan.___", state 886, "(1)"
-	line 430, "pan.___", state 895, "(1)"
-	line 430, "pan.___", state 895, "(1)"
-	line 395, "pan.___", state 902, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 904, "(1)"
-	line 395, "pan.___", state 905, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 905, "else"
-	line 395, "pan.___", state 908, "(1)"
-	line 399, "pan.___", state 916, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 918, "(1)"
-	line 399, "pan.___", state 919, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 919, "else"
-	line 399, "pan.___", state 922, "(1)"
-	line 399, "pan.___", state 923, "(1)"
-	line 399, "pan.___", state 923, "(1)"
-	line 397, "pan.___", state 928, "((i<1))"
-	line 397, "pan.___", state 928, "((i>=1))"
-	line 404, "pan.___", state 934, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 936, "(1)"
-	line 404, "pan.___", state 937, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 937, "else"
-	line 404, "pan.___", state 940, "(1)"
-	line 404, "pan.___", state 941, "(1)"
-	line 404, "pan.___", state 941, "(1)"
-	line 408, "pan.___", state 948, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 950, "(1)"
-	line 408, "pan.___", state 951, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 951, "else"
-	line 408, "pan.___", state 954, "(1)"
-	line 408, "pan.___", state 955, "(1)"
-	line 408, "pan.___", state 955, "(1)"
-	line 406, "pan.___", state 960, "((i<2))"
-	line 406, "pan.___", state 960, "((i>=2))"
-	line 412, "pan.___", state 967, "(1)"
-	line 412, "pan.___", state 968, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 968, "else"
-	line 412, "pan.___", state 971, "(1)"
-	line 412, "pan.___", state 972, "(1)"
-	line 412, "pan.___", state 972, "(1)"
-	line 416, "pan.___", state 980, "(1)"
-	line 416, "pan.___", state 981, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 981, "else"
-	line 416, "pan.___", state 984, "(1)"
-	line 416, "pan.___", state 985, "(1)"
-	line 416, "pan.___", state 985, "(1)"
-	line 414, "pan.___", state 990, "((i<1))"
-	line 414, "pan.___", state 990, "((i>=1))"
-	line 421, "pan.___", state 997, "(1)"
-	line 421, "pan.___", state 998, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 998, "else"
-	line 421, "pan.___", state 1001, "(1)"
-	line 421, "pan.___", state 1002, "(1)"
-	line 421, "pan.___", state 1002, "(1)"
-	line 425, "pan.___", state 1010, "(1)"
-	line 425, "pan.___", state 1011, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 1011, "else"
-	line 425, "pan.___", state 1014, "(1)"
-	line 425, "pan.___", state 1015, "(1)"
-	line 425, "pan.___", state 1015, "(1)"
-	line 423, "pan.___", state 1020, "((i<2))"
-	line 423, "pan.___", state 1020, "((i>=2))"
-	line 430, "pan.___", state 1024, "(1)"
-	line 430, "pan.___", state 1024, "(1)"
-	line 584, "pan.___", state 1028, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 395, "pan.___", state 1033, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 1047, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1065, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1079, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1098, "(1)"
-	line 416, "pan.___", state 1111, "(1)"
-	line 421, "pan.___", state 1128, "(1)"
-	line 425, "pan.___", state 1141, "(1)"
-	line 395, "pan.___", state 1165, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1197, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1211, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1230, "(1)"
-	line 421, "pan.___", state 1260, "(1)"
-	line 425, "pan.___", state 1273, "(1)"
-	line 395, "pan.___", state 1298, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1330, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1344, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1363, "(1)"
-	line 421, "pan.___", state 1393, "(1)"
-	line 425, "pan.___", state 1406, "(1)"
-	line 395, "pan.___", state 1427, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1459, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1473, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1492, "(1)"
-	line 421, "pan.___", state 1522, "(1)"
-	line 425, "pan.___", state 1535, "(1)"
-	line 250, "pan.___", state 1558, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1580, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1589, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1605, "(1)"
-	line 231, "pan.___", state 1613, "(1)"
-	line 235, "pan.___", state 1625, "(1)"
-	line 239, "pan.___", state 1633, "(1)"
-	line 395, "pan.___", state 1651, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 1665, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1683, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1697, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1716, "(1)"
-	line 416, "pan.___", state 1729, "(1)"
-	line 421, "pan.___", state 1746, "(1)"
-	line 425, "pan.___", state 1759, "(1)"
-	line 395, "pan.___", state 1780, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 1794, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1812, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1826, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1845, "(1)"
-	line 416, "pan.___", state 1858, "(1)"
-	line 421, "pan.___", state 1875, "(1)"
-	line 425, "pan.___", state 1888, "(1)"
-	line 395, "pan.___", state 1912, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 1928, "(1)"
-	line 404, "pan.___", state 1944, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1958, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1977, "(1)"
-	line 421, "pan.___", state 2007, "(1)"
-	line 425, "pan.___", state 2020, "(1)"
-	line 623, "pan.___", state 2041, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 395, "pan.___", state 2048, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2080, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2094, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2113, "(1)"
-	line 421, "pan.___", state 2143, "(1)"
-	line 425, "pan.___", state 2156, "(1)"
-	line 395, "pan.___", state 2177, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2209, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2223, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2242, "(1)"
-	line 421, "pan.___", state 2272, "(1)"
-	line 425, "pan.___", state 2285, "(1)"
-	line 395, "pan.___", state 2308, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 2310, "(1)"
-	line 395, "pan.___", state 2311, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 2311, "else"
-	line 395, "pan.___", state 2314, "(1)"
-	line 399, "pan.___", state 2322, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2324, "(1)"
-	line 399, "pan.___", state 2325, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 2325, "else"
-	line 399, "pan.___", state 2328, "(1)"
-	line 399, "pan.___", state 2329, "(1)"
-	line 399, "pan.___", state 2329, "(1)"
-	line 397, "pan.___", state 2334, "((i<1))"
-	line 397, "pan.___", state 2334, "((i>=1))"
-	line 404, "pan.___", state 2340, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2342, "(1)"
-	line 404, "pan.___", state 2343, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 2343, "else"
-	line 404, "pan.___", state 2346, "(1)"
-	line 404, "pan.___", state 2347, "(1)"
-	line 404, "pan.___", state 2347, "(1)"
-	line 408, "pan.___", state 2354, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2356, "(1)"
-	line 408, "pan.___", state 2357, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 2357, "else"
-	line 408, "pan.___", state 2360, "(1)"
-	line 408, "pan.___", state 2361, "(1)"
-	line 408, "pan.___", state 2361, "(1)"
-	line 406, "pan.___", state 2366, "((i<2))"
-	line 406, "pan.___", state 2366, "((i>=2))"
-	line 412, "pan.___", state 2373, "(1)"
-	line 412, "pan.___", state 2374, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 2374, "else"
-	line 412, "pan.___", state 2377, "(1)"
-	line 412, "pan.___", state 2378, "(1)"
-	line 412, "pan.___", state 2378, "(1)"
-	line 416, "pan.___", state 2386, "(1)"
-	line 416, "pan.___", state 2387, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 2387, "else"
-	line 416, "pan.___", state 2390, "(1)"
-	line 416, "pan.___", state 2391, "(1)"
-	line 416, "pan.___", state 2391, "(1)"
-	line 414, "pan.___", state 2396, "((i<1))"
-	line 414, "pan.___", state 2396, "((i>=1))"
-	line 421, "pan.___", state 2403, "(1)"
-	line 421, "pan.___", state 2404, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 2404, "else"
-	line 421, "pan.___", state 2407, "(1)"
-	line 421, "pan.___", state 2408, "(1)"
-	line 421, "pan.___", state 2408, "(1)"
-	line 425, "pan.___", state 2416, "(1)"
-	line 425, "pan.___", state 2417, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 2417, "else"
-	line 425, "pan.___", state 2420, "(1)"
-	line 425, "pan.___", state 2421, "(1)"
-	line 425, "pan.___", state 2421, "(1)"
-	line 423, "pan.___", state 2426, "((i<2))"
-	line 423, "pan.___", state 2426, "((i>=2))"
-	line 430, "pan.___", state 2430, "(1)"
-	line 430, "pan.___", state 2430, "(1)"
-	line 623, "pan.___", state 2433, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 623, "pan.___", state 2434, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 623, "pan.___", state 2435, "(1)"
-	line 250, "pan.___", state 2439, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 2450, "(1)"
-	line 258, "pan.___", state 2461, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 2470, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 2486, "(1)"
-	line 231, "pan.___", state 2494, "(1)"
-	line 235, "pan.___", state 2506, "(1)"
-	line 239, "pan.___", state 2514, "(1)"
-	line 395, "pan.___", state 2532, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2546, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2564, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2578, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2597, "(1)"
-	line 416, "pan.___", state 2610, "(1)"
-	line 421, "pan.___", state 2627, "(1)"
-	line 425, "pan.___", state 2640, "(1)"
-	line 250, "pan.___", state 2664, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 2673, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 2686, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 2695, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 2711, "(1)"
-	line 231, "pan.___", state 2719, "(1)"
-	line 235, "pan.___", state 2731, "(1)"
-	line 239, "pan.___", state 2739, "(1)"
-	line 395, "pan.___", state 2757, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2771, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2789, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2803, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2822, "(1)"
-	line 416, "pan.___", state 2835, "(1)"
-	line 421, "pan.___", state 2852, "(1)"
-	line 425, "pan.___", state 2865, "(1)"
-	line 395, "pan.___", state 2886, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2900, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2918, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2932, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2951, "(1)"
-	line 416, "pan.___", state 2964, "(1)"
-	line 421, "pan.___", state 2981, "(1)"
-	line 425, "pan.___", state 2994, "(1)"
-	line 395, "pan.___", state 3027, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 3059, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 3073, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 3092, "(1)"
-	line 421, "pan.___", state 3122, "(1)"
-	line 425, "pan.___", state 3135, "(1)"
-	line 395, "pan.___", state 3154, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 3168, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 3186, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 3200, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 3219, "(1)"
-	line 416, "pan.___", state 3232, "(1)"
-	line 421, "pan.___", state 3249, "(1)"
-	line 425, "pan.___", state 3262, "(1)"
-	line 877, "pan.___", state 3283, "-end-"
-	(325 of 3283 states)
-unreached in proctype urcu_writer
-	line 395, "pan.___", state 18, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 24, "(1)"
-	line 399, "pan.___", state 32, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 38, "(1)"
-	line 399, "pan.___", state 39, "(1)"
-	line 399, "pan.___", state 39, "(1)"
-	line 397, "pan.___", state 44, "((i<1))"
-	line 397, "pan.___", state 44, "((i>=1))"
-	line 404, "pan.___", state 50, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 56, "(1)"
-	line 404, "pan.___", state 57, "(1)"
-	line 404, "pan.___", state 57, "(1)"
-	line 408, "pan.___", state 70, "(1)"
-	line 408, "pan.___", state 71, "(1)"
-	line 408, "pan.___", state 71, "(1)"
-	line 406, "pan.___", state 76, "((i<2))"
-	line 406, "pan.___", state 76, "((i>=2))"
-	line 412, "pan.___", state 83, "(1)"
-	line 412, "pan.___", state 84, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 84, "else"
-	line 412, "pan.___", state 87, "(1)"
-	line 412, "pan.___", state 88, "(1)"
-	line 412, "pan.___", state 88, "(1)"
-	line 416, "pan.___", state 96, "(1)"
-	line 416, "pan.___", state 97, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 97, "else"
-	line 416, "pan.___", state 100, "(1)"
-	line 416, "pan.___", state 101, "(1)"
-	line 416, "pan.___", state 101, "(1)"
-	line 414, "pan.___", state 106, "((i<1))"
-	line 414, "pan.___", state 106, "((i>=1))"
-	line 421, "pan.___", state 113, "(1)"
-	line 421, "pan.___", state 114, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 114, "else"
-	line 421, "pan.___", state 117, "(1)"
-	line 421, "pan.___", state 118, "(1)"
-	line 421, "pan.___", state 118, "(1)"
-	line 425, "pan.___", state 126, "(1)"
-	line 425, "pan.___", state 127, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 127, "else"
-	line 425, "pan.___", state 130, "(1)"
-	line 425, "pan.___", state 131, "(1)"
-	line 425, "pan.___", state 131, "(1)"
-	line 423, "pan.___", state 136, "((i<2))"
-	line 423, "pan.___", state 136, "((i>=2))"
-	line 430, "pan.___", state 140, "(1)"
-	line 430, "pan.___", state 140, "(1)"
-	line 250, "pan.___", state 149, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 158, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 171, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 211, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 225, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 243, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 257, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 276, "(1)"
-	line 416, "pan.___", state 289, "(1)"
-	line 421, "pan.___", state 306, "(1)"
-	line 425, "pan.___", state 319, "(1)"
-	line 399, "pan.___", state 356, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 374, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 388, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 420, "(1)"
-	line 421, "pan.___", state 437, "(1)"
-	line 425, "pan.___", state 450, "(1)"
-	line 399, "pan.___", state 494, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 512, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 526, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 558, "(1)"
-	line 421, "pan.___", state 575, "(1)"
-	line 425, "pan.___", state 588, "(1)"
-	line 399, "pan.___", state 623, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 641, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 655, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 687, "(1)"
-	line 421, "pan.___", state 704, "(1)"
-	line 425, "pan.___", state 717, "(1)"
-	line 399, "pan.___", state 754, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 772, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 786, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 818, "(1)"
-	line 421, "pan.___", state 835, "(1)"
-	line 425, "pan.___", state 848, "(1)"
-	line 250, "pan.___", state 903, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 912, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 927, "(1)"
-	line 262, "pan.___", state 934, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 950, "(1)"
-	line 231, "pan.___", state 958, "(1)"
-	line 235, "pan.___", state 970, "(1)"
-	line 239, "pan.___", state 978, "(1)"
-	line 254, "pan.___", state 1003, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1016, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1025, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1041, "(1)"
-	line 231, "pan.___", state 1049, "(1)"
-	line 235, "pan.___", state 1061, "(1)"
-	line 239, "pan.___", state 1069, "(1)"
-	line 254, "pan.___", state 1094, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1107, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1116, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1132, "(1)"
-	line 231, "pan.___", state 1140, "(1)"
-	line 235, "pan.___", state 1152, "(1)"
-	line 239, "pan.___", state 1160, "(1)"
-	line 254, "pan.___", state 1185, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1198, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1207, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1223, "(1)"
-	line 231, "pan.___", state 1231, "(1)"
-	line 235, "pan.___", state 1243, "(1)"
-	line 239, "pan.___", state 1251, "(1)"
-	line 1204, "pan.___", state 1266, "-end-"
-	(96 of 1266 states)
-unreached in proctype :init:
-	line 1215, "pan.___", state 9, "((j<2))"
-	line 1215, "pan.___", state 9, "((j>=2))"
-	line 1216, "pan.___", state 20, "((j<2))"
-	line 1216, "pan.___", state 20, "((j>=2))"
-	line 1221, "pan.___", state 33, "((j<2))"
-	line 1221, "pan.___", state 33, "((j>=2))"
-	line 1219, "pan.___", state 43, "((i<1))"
-	line 1219, "pan.___", state 43, "((i>=1))"
-	line 1229, "pan.___", state 54, "((j<2))"
-	line 1229, "pan.___", state 54, "((j>=2))"
-	line 1233, "pan.___", state 67, "((j<2))"
-	line 1233, "pan.___", state 67, "((j>=2))"
-	(6 of 78 states)
-unreached in proctype :never:
-	line 1263, "pan.___", state 8, "-end-"
-	(1 of 8 states)
-
-pan: elapsed time 102 seconds
-pan: rate 1874.9438 states/second
-pan: avg transition delay 1.2495e-06 usec
-cp .input.spin urcu_free_no_rmb.spin.input
-cp .input.spin.trail urcu_free_no_rmb.spin.input.trail
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_rmb.spin.input b/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_rmb.spin.input
deleted file mode 100644
index 2d07e51..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_rmb.spin.input
+++ /dev/null
@@ -1,1240 +0,0 @@
-#define NO_RMB
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-//#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-//#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)
-//#else
-//#define PROGRESS_LABEL(progressid)
-//#endif
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_rmb.spin.input.trail b/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_rmb.spin.input.trail
deleted file mode 100644
index e179cd5..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_rmb.spin.input.trail
+++ /dev/null
@@ -1,1717 +0,0 @@
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-1714:0:4633
-1715:1:208
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_wmb.define b/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_wmb.define
deleted file mode 100644
index 710f29d..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_wmb.define
+++ /dev/null
@@ -1 +0,0 @@
-#define NO_WMB
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_wmb.log b/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_wmb.log
deleted file mode 100644
index 4f2bfe6..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_wmb.log
+++ /dev/null
@@ -1,552 +0,0 @@
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define >> pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_free_no_wmb.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1258)
-Depth=    4637 States=    1e+06 Transitions= 4.63e+08 Memory=   550.432	t=    580 R=   2e+03
-pan: claim violated! (at depth 1199)
-pan: wrote .input.spin.trail
-
-(Spin Version 5.1.7 -- 23 December 2008)
-Warning: Search not completed
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness disabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 4637, errors: 1
-  1676215 states, stored
-7.6378297e+08 states, matched
-7.6545918e+08 transitions (= stored+matched)
-4.5297646e+09 atomic steps
-hash conflicts: 3.184152e+08 (resolved)
-
-Stats on memory usage (in Megabytes):
-  185.433	equivalent memory usage for states (stored*(State-vector + overhead))
-  141.544	actual memory usage for states (compression: 76.33%)
-         	state-vector as stored = 61 byte + 28 byte overhead
-    8.000	memory used for hash table (-w20)
-  457.764	memory used for DFS stack (-m10000000)
-  607.170	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 395, "pan.___", state 17, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 49, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 63, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 82, "(1)"
-	line 421, "pan.___", state 112, "(1)"
-	line 425, "pan.___", state 125, "(1)"
-	line 576, "pan.___", state 146, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 395, "pan.___", state 153, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 185, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 199, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 218, "(1)"
-	line 421, "pan.___", state 248, "(1)"
-	line 425, "pan.___", state 261, "(1)"
-	line 395, "pan.___", state 282, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 314, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 328, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 347, "(1)"
-	line 421, "pan.___", state 377, "(1)"
-	line 425, "pan.___", state 390, "(1)"
-	line 395, "pan.___", state 413, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 415, "(1)"
-	line 395, "pan.___", state 416, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 416, "else"
-	line 395, "pan.___", state 419, "(1)"
-	line 399, "pan.___", state 427, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 429, "(1)"
-	line 399, "pan.___", state 430, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 430, "else"
-	line 399, "pan.___", state 433, "(1)"
-	line 399, "pan.___", state 434, "(1)"
-	line 399, "pan.___", state 434, "(1)"
-	line 397, "pan.___", state 439, "((i<1))"
-	line 397, "pan.___", state 439, "((i>=1))"
-	line 404, "pan.___", state 445, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 447, "(1)"
-	line 404, "pan.___", state 448, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 448, "else"
-	line 404, "pan.___", state 451, "(1)"
-	line 404, "pan.___", state 452, "(1)"
-	line 404, "pan.___", state 452, "(1)"
-	line 408, "pan.___", state 459, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 461, "(1)"
-	line 408, "pan.___", state 462, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 462, "else"
-	line 408, "pan.___", state 465, "(1)"
-	line 408, "pan.___", state 466, "(1)"
-	line 408, "pan.___", state 466, "(1)"
-	line 406, "pan.___", state 471, "((i<2))"
-	line 406, "pan.___", state 471, "((i>=2))"
-	line 412, "pan.___", state 478, "(1)"
-	line 412, "pan.___", state 479, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 479, "else"
-	line 412, "pan.___", state 482, "(1)"
-	line 412, "pan.___", state 483, "(1)"
-	line 412, "pan.___", state 483, "(1)"
-	line 416, "pan.___", state 491, "(1)"
-	line 416, "pan.___", state 492, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 492, "else"
-	line 416, "pan.___", state 495, "(1)"
-	line 416, "pan.___", state 496, "(1)"
-	line 416, "pan.___", state 496, "(1)"
-	line 414, "pan.___", state 501, "((i<1))"
-	line 414, "pan.___", state 501, "((i>=1))"
-	line 421, "pan.___", state 508, "(1)"
-	line 421, "pan.___", state 509, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 509, "else"
-	line 421, "pan.___", state 512, "(1)"
-	line 421, "pan.___", state 513, "(1)"
-	line 421, "pan.___", state 513, "(1)"
-	line 425, "pan.___", state 521, "(1)"
-	line 425, "pan.___", state 522, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 522, "else"
-	line 425, "pan.___", state 525, "(1)"
-	line 425, "pan.___", state 526, "(1)"
-	line 425, "pan.___", state 526, "(1)"
-	line 423, "pan.___", state 531, "((i<2))"
-	line 423, "pan.___", state 531, "((i>=2))"
-	line 430, "pan.___", state 535, "(1)"
-	line 430, "pan.___", state 535, "(1)"
-	line 576, "pan.___", state 538, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 576, "pan.___", state 539, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 576, "pan.___", state 540, "(1)"
-	line 250, "pan.___", state 544, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 555, "(1)"
-	line 258, "pan.___", state 566, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 575, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 591, "(1)"
-	line 231, "pan.___", state 599, "(1)"
-	line 235, "pan.___", state 611, "(1)"
-	line 239, "pan.___", state 619, "(1)"
-	line 395, "pan.___", state 637, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 651, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 669, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 683, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 702, "(1)"
-	line 416, "pan.___", state 715, "(1)"
-	line 421, "pan.___", state 732, "(1)"
-	line 425, "pan.___", state 745, "(1)"
-	line 395, "pan.___", state 773, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 775, "(1)"
-	line 395, "pan.___", state 776, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 776, "else"
-	line 395, "pan.___", state 779, "(1)"
-	line 399, "pan.___", state 787, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 789, "(1)"
-	line 399, "pan.___", state 790, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 790, "else"
-	line 399, "pan.___", state 793, "(1)"
-	line 399, "pan.___", state 794, "(1)"
-	line 399, "pan.___", state 794, "(1)"
-	line 397, "pan.___", state 799, "((i<1))"
-	line 397, "pan.___", state 799, "((i>=1))"
-	line 404, "pan.___", state 805, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 807, "(1)"
-	line 404, "pan.___", state 808, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 808, "else"
-	line 404, "pan.___", state 811, "(1)"
-	line 404, "pan.___", state 812, "(1)"
-	line 404, "pan.___", state 812, "(1)"
-	line 408, "pan.___", state 819, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 821, "(1)"
-	line 408, "pan.___", state 822, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 822, "else"
-	line 408, "pan.___", state 825, "(1)"
-	line 408, "pan.___", state 826, "(1)"
-	line 408, "pan.___", state 826, "(1)"
-	line 406, "pan.___", state 831, "((i<2))"
-	line 406, "pan.___", state 831, "((i>=2))"
-	line 412, "pan.___", state 838, "(1)"
-	line 412, "pan.___", state 839, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 839, "else"
-	line 412, "pan.___", state 842, "(1)"
-	line 412, "pan.___", state 843, "(1)"
-	line 412, "pan.___", state 843, "(1)"
-	line 416, "pan.___", state 851, "(1)"
-	line 416, "pan.___", state 852, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 852, "else"
-	line 416, "pan.___", state 855, "(1)"
-	line 416, "pan.___", state 856, "(1)"
-	line 416, "pan.___", state 856, "(1)"
-	line 414, "pan.___", state 861, "((i<1))"
-	line 414, "pan.___", state 861, "((i>=1))"
-	line 421, "pan.___", state 868, "(1)"
-	line 421, "pan.___", state 869, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 869, "else"
-	line 421, "pan.___", state 872, "(1)"
-	line 421, "pan.___", state 873, "(1)"
-	line 421, "pan.___", state 873, "(1)"
-	line 425, "pan.___", state 881, "(1)"
-	line 425, "pan.___", state 882, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 882, "else"
-	line 425, "pan.___", state 885, "(1)"
-	line 425, "pan.___", state 886, "(1)"
-	line 425, "pan.___", state 886, "(1)"
-	line 430, "pan.___", state 895, "(1)"
-	line 430, "pan.___", state 895, "(1)"
-	line 395, "pan.___", state 902, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 904, "(1)"
-	line 395, "pan.___", state 905, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 905, "else"
-	line 395, "pan.___", state 908, "(1)"
-	line 399, "pan.___", state 916, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 918, "(1)"
-	line 399, "pan.___", state 919, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 919, "else"
-	line 399, "pan.___", state 922, "(1)"
-	line 399, "pan.___", state 923, "(1)"
-	line 399, "pan.___", state 923, "(1)"
-	line 397, "pan.___", state 928, "((i<1))"
-	line 397, "pan.___", state 928, "((i>=1))"
-	line 404, "pan.___", state 934, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 936, "(1)"
-	line 404, "pan.___", state 937, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 937, "else"
-	line 404, "pan.___", state 940, "(1)"
-	line 404, "pan.___", state 941, "(1)"
-	line 404, "pan.___", state 941, "(1)"
-	line 408, "pan.___", state 948, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 950, "(1)"
-	line 408, "pan.___", state 951, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 951, "else"
-	line 408, "pan.___", state 954, "(1)"
-	line 408, "pan.___", state 955, "(1)"
-	line 408, "pan.___", state 955, "(1)"
-	line 406, "pan.___", state 960, "((i<2))"
-	line 406, "pan.___", state 960, "((i>=2))"
-	line 412, "pan.___", state 967, "(1)"
-	line 412, "pan.___", state 968, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 968, "else"
-	line 412, "pan.___", state 971, "(1)"
-	line 412, "pan.___", state 972, "(1)"
-	line 412, "pan.___", state 972, "(1)"
-	line 416, "pan.___", state 980, "(1)"
-	line 416, "pan.___", state 981, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 981, "else"
-	line 416, "pan.___", state 984, "(1)"
-	line 416, "pan.___", state 985, "(1)"
-	line 416, "pan.___", state 985, "(1)"
-	line 414, "pan.___", state 990, "((i<1))"
-	line 414, "pan.___", state 990, "((i>=1))"
-	line 421, "pan.___", state 997, "(1)"
-	line 421, "pan.___", state 998, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 998, "else"
-	line 421, "pan.___", state 1001, "(1)"
-	line 421, "pan.___", state 1002, "(1)"
-	line 421, "pan.___", state 1002, "(1)"
-	line 425, "pan.___", state 1010, "(1)"
-	line 425, "pan.___", state 1011, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 1011, "else"
-	line 425, "pan.___", state 1014, "(1)"
-	line 425, "pan.___", state 1015, "(1)"
-	line 425, "pan.___", state 1015, "(1)"
-	line 423, "pan.___", state 1020, "((i<2))"
-	line 423, "pan.___", state 1020, "((i>=2))"
-	line 430, "pan.___", state 1024, "(1)"
-	line 430, "pan.___", state 1024, "(1)"
-	line 584, "pan.___", state 1028, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 395, "pan.___", state 1033, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 1047, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1065, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1079, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1098, "(1)"
-	line 416, "pan.___", state 1111, "(1)"
-	line 421, "pan.___", state 1128, "(1)"
-	line 425, "pan.___", state 1141, "(1)"
-	line 395, "pan.___", state 1165, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1197, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1211, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1230, "(1)"
-	line 421, "pan.___", state 1260, "(1)"
-	line 425, "pan.___", state 1273, "(1)"
-	line 395, "pan.___", state 1298, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1330, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1344, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1363, "(1)"
-	line 421, "pan.___", state 1393, "(1)"
-	line 425, "pan.___", state 1406, "(1)"
-	line 395, "pan.___", state 1427, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1459, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1473, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1492, "(1)"
-	line 421, "pan.___", state 1522, "(1)"
-	line 425, "pan.___", state 1535, "(1)"
-	line 250, "pan.___", state 1558, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1580, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1589, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1605, "(1)"
-	line 231, "pan.___", state 1613, "(1)"
-	line 235, "pan.___", state 1625, "(1)"
-	line 239, "pan.___", state 1633, "(1)"
-	line 395, "pan.___", state 1651, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 1665, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1683, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1697, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1716, "(1)"
-	line 416, "pan.___", state 1729, "(1)"
-	line 421, "pan.___", state 1746, "(1)"
-	line 425, "pan.___", state 1759, "(1)"
-	line 395, "pan.___", state 1780, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 1794, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1812, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1826, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1845, "(1)"
-	line 416, "pan.___", state 1858, "(1)"
-	line 421, "pan.___", state 1875, "(1)"
-	line 425, "pan.___", state 1888, "(1)"
-	line 395, "pan.___", state 1912, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 1928, "(1)"
-	line 404, "pan.___", state 1944, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1958, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1977, "(1)"
-	line 421, "pan.___", state 2007, "(1)"
-	line 425, "pan.___", state 2020, "(1)"
-	line 623, "pan.___", state 2041, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 395, "pan.___", state 2048, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2080, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2094, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2113, "(1)"
-	line 421, "pan.___", state 2143, "(1)"
-	line 425, "pan.___", state 2156, "(1)"
-	line 395, "pan.___", state 2177, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2209, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2223, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2242, "(1)"
-	line 421, "pan.___", state 2272, "(1)"
-	line 425, "pan.___", state 2285, "(1)"
-	line 395, "pan.___", state 2308, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 2310, "(1)"
-	line 395, "pan.___", state 2311, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 2311, "else"
-	line 395, "pan.___", state 2314, "(1)"
-	line 399, "pan.___", state 2322, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2324, "(1)"
-	line 399, "pan.___", state 2325, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 2325, "else"
-	line 399, "pan.___", state 2328, "(1)"
-	line 399, "pan.___", state 2329, "(1)"
-	line 399, "pan.___", state 2329, "(1)"
-	line 397, "pan.___", state 2334, "((i<1))"
-	line 397, "pan.___", state 2334, "((i>=1))"
-	line 404, "pan.___", state 2340, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2342, "(1)"
-	line 404, "pan.___", state 2343, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 2343, "else"
-	line 404, "pan.___", state 2346, "(1)"
-	line 404, "pan.___", state 2347, "(1)"
-	line 404, "pan.___", state 2347, "(1)"
-	line 408, "pan.___", state 2354, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2356, "(1)"
-	line 408, "pan.___", state 2357, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 2357, "else"
-	line 408, "pan.___", state 2360, "(1)"
-	line 408, "pan.___", state 2361, "(1)"
-	line 408, "pan.___", state 2361, "(1)"
-	line 406, "pan.___", state 2366, "((i<2))"
-	line 406, "pan.___", state 2366, "((i>=2))"
-	line 412, "pan.___", state 2373, "(1)"
-	line 412, "pan.___", state 2374, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 2374, "else"
-	line 412, "pan.___", state 2377, "(1)"
-	line 412, "pan.___", state 2378, "(1)"
-	line 412, "pan.___", state 2378, "(1)"
-	line 416, "pan.___", state 2386, "(1)"
-	line 416, "pan.___", state 2387, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 2387, "else"
-	line 416, "pan.___", state 2390, "(1)"
-	line 416, "pan.___", state 2391, "(1)"
-	line 416, "pan.___", state 2391, "(1)"
-	line 414, "pan.___", state 2396, "((i<1))"
-	line 414, "pan.___", state 2396, "((i>=1))"
-	line 421, "pan.___", state 2403, "(1)"
-	line 421, "pan.___", state 2404, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 2404, "else"
-	line 421, "pan.___", state 2407, "(1)"
-	line 421, "pan.___", state 2408, "(1)"
-	line 421, "pan.___", state 2408, "(1)"
-	line 425, "pan.___", state 2416, "(1)"
-	line 425, "pan.___", state 2417, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 2417, "else"
-	line 425, "pan.___", state 2420, "(1)"
-	line 425, "pan.___", state 2421, "(1)"
-	line 425, "pan.___", state 2421, "(1)"
-	line 423, "pan.___", state 2426, "((i<2))"
-	line 423, "pan.___", state 2426, "((i>=2))"
-	line 430, "pan.___", state 2430, "(1)"
-	line 430, "pan.___", state 2430, "(1)"
-	line 623, "pan.___", state 2433, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 623, "pan.___", state 2434, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 623, "pan.___", state 2435, "(1)"
-	line 250, "pan.___", state 2439, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 2450, "(1)"
-	line 258, "pan.___", state 2461, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 2470, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 2486, "(1)"
-	line 231, "pan.___", state 2494, "(1)"
-	line 235, "pan.___", state 2506, "(1)"
-	line 239, "pan.___", state 2514, "(1)"
-	line 395, "pan.___", state 2532, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2546, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2564, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2578, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2597, "(1)"
-	line 416, "pan.___", state 2610, "(1)"
-	line 421, "pan.___", state 2627, "(1)"
-	line 425, "pan.___", state 2640, "(1)"
-	line 250, "pan.___", state 2664, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 2673, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 2686, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 2695, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 2711, "(1)"
-	line 231, "pan.___", state 2719, "(1)"
-	line 235, "pan.___", state 2731, "(1)"
-	line 239, "pan.___", state 2739, "(1)"
-	line 395, "pan.___", state 2757, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2771, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2789, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2803, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2822, "(1)"
-	line 416, "pan.___", state 2835, "(1)"
-	line 421, "pan.___", state 2852, "(1)"
-	line 425, "pan.___", state 2865, "(1)"
-	line 395, "pan.___", state 2886, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2900, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2918, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2932, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2951, "(1)"
-	line 416, "pan.___", state 2964, "(1)"
-	line 421, "pan.___", state 2981, "(1)"
-	line 425, "pan.___", state 2994, "(1)"
-	line 227, "pan.___", state 3027, "(1)"
-	line 235, "pan.___", state 3047, "(1)"
-	line 239, "pan.___", state 3055, "(1)"
-	line 227, "pan.___", state 3070, "(1)"
-	line 231, "pan.___", state 3078, "(1)"
-	line 235, "pan.___", state 3090, "(1)"
-	line 239, "pan.___", state 3098, "(1)"
-	line 877, "pan.___", state 3115, "-end-"
-	(318 of 3115 states)
-unreached in proctype urcu_writer
-	line 395, "pan.___", state 19, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 33, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 84, "(1)"
-	line 416, "pan.___", state 97, "(1)"
-	line 250, "pan.___", state 150, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 152, "(1)"
-	line 254, "pan.___", state 159, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 161, "(1)"
-	line 254, "pan.___", state 162, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 162, "else"
-	line 252, "pan.___", state 167, "((i<1))"
-	line 252, "pan.___", state 167, "((i>=1))"
-	line 258, "pan.___", state 172, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 174, "(1)"
-	line 258, "pan.___", state 175, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 175, "else"
-	line 262, "pan.___", state 181, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 183, "(1)"
-	line 262, "pan.___", state 184, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 184, "else"
-	line 267, "pan.___", state 193, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 267, "pan.___", state 193, "else"
-	line 395, "pan.___", state 212, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 226, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 244, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 258, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 277, "(1)"
-	line 416, "pan.___", state 290, "(1)"
-	line 421, "pan.___", state 307, "(1)"
-	line 425, "pan.___", state 320, "(1)"
-	line 399, "pan.___", state 357, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 375, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 389, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 421, "(1)"
-	line 421, "pan.___", state 438, "(1)"
-	line 425, "pan.___", state 451, "(1)"
-	line 399, "pan.___", state 495, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 513, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 527, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 559, "(1)"
-	line 421, "pan.___", state 576, "(1)"
-	line 425, "pan.___", state 589, "(1)"
-	line 399, "pan.___", state 624, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 642, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 656, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 688, "(1)"
-	line 421, "pan.___", state 705, "(1)"
-	line 425, "pan.___", state 718, "(1)"
-	line 399, "pan.___", state 755, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 773, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 787, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 819, "(1)"
-	line 421, "pan.___", state 836, "(1)"
-	line 425, "pan.___", state 849, "(1)"
-	line 250, "pan.___", state 904, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 913, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 951, "(1)"
-	line 231, "pan.___", state 959, "(1)"
-	line 235, "pan.___", state 971, "(1)"
-	line 239, "pan.___", state 979, "(1)"
-	line 254, "pan.___", state 1004, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1017, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1026, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1042, "(1)"
-	line 231, "pan.___", state 1050, "(1)"
-	line 235, "pan.___", state 1062, "(1)"
-	line 239, "pan.___", state 1070, "(1)"
-	line 254, "pan.___", state 1095, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1108, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1117, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1133, "(1)"
-	line 231, "pan.___", state 1141, "(1)"
-	line 235, "pan.___", state 1153, "(1)"
-	line 239, "pan.___", state 1161, "(1)"
-	line 254, "pan.___", state 1186, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1199, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1208, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1224, "(1)"
-	line 231, "pan.___", state 1232, "(1)"
-	line 235, "pan.___", state 1244, "(1)"
-	line 239, "pan.___", state 1252, "(1)"
-	line 1204, "pan.___", state 1267, "-end-"
-	(77 of 1267 states)
-unreached in proctype :init:
-	line 1215, "pan.___", state 9, "((j<2))"
-	line 1215, "pan.___", state 9, "((j>=2))"
-	line 1216, "pan.___", state 20, "((j<2))"
-	line 1216, "pan.___", state 20, "((j>=2))"
-	line 1221, "pan.___", state 33, "((j<2))"
-	line 1221, "pan.___", state 33, "((j>=2))"
-	line 1219, "pan.___", state 43, "((i<1))"
-	line 1219, "pan.___", state 43, "((i>=1))"
-	line 1229, "pan.___", state 54, "((j<2))"
-	line 1229, "pan.___", state 54, "((j>=2))"
-	line 1233, "pan.___", state 67, "((j<2))"
-	line 1233, "pan.___", state 67, "((j>=2))"
-	(6 of 78 states)
-unreached in proctype :never:
-	line 1263, "pan.___", state 8, "-end-"
-	(1 of 8 states)
-
-pan: elapsed time 966 seconds
-pan: rate 1735.7692 states/second
-pan: avg transition delay 1.2616e-06 usec
-cp .input.spin urcu_free_no_wmb.spin.input
-cp .input.spin.trail urcu_free_no_wmb.spin.input.trail
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_wmb.spin.input b/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_wmb.spin.input
deleted file mode 100644
index e552903..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_wmb.spin.input
+++ /dev/null
@@ -1,1240 +0,0 @@
-#define NO_WMB
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-//#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-//#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)
-//#else
-//#define PROGRESS_LABEL(progressid)
-//#endif
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_wmb.spin.input.trail b/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_wmb.spin.input.trail
deleted file mode 100644
index 0908988..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_no_wmb.spin.input.trail
+++ /dev/null
@@ -1,1202 +0,0 @@
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-811:1:176
-812:1:181
-813:1:185
-814:1:186
-815:1:194
-816:1:195
-817:1:199
-818:1:200
-819:1:194
-820:1:195
-821:1:199
-822:1:200
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-827:1:226
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-830:1:243
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-832:1:255
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-839:0:4462
-840:1:11
-841:0:4462
-842:1:277
-843:1:278
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-845:1:283
-846:1:291
-847:1:292
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-850:1:305
-851:1:310
-852:1:314
-853:1:315
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-856:1:328
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-860:1:328
-861:1:329
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-871:1:384
-872:1:385
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-874:1:384
-875:1:385
-876:1:386
-877:1:397
-878:1:404
-879:0:4462
-880:1:11
-881:0:4462
-882:1:540
-883:1:544
-884:1:545
-885:1:549
-886:1:550
-887:1:558
-888:1:566
-889:1:567
-890:1:571
-891:1:575
-892:1:576
-893:1:571
-894:1:575
-895:1:576
-896:1:580
-897:1:587
-898:1:594
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-900:1:602
-901:1:607
-902:1:614
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-904:1:614
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-906:1:622
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-911:1:633
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-920:1:669
-921:1:670
-922:1:678
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-924:1:683
-925:1:684
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-930:1:692
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-938:1:728
-939:1:739
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-949:1:761
-950:1:764
-951:1:765
-952:0:4462
-953:1:11
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-955:1:1028
-956:1:1029
-957:1:1033
-958:1:1034
-959:1:1042
-960:1:1043
-961:1:1047
-962:1:1048
-963:1:1056
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-965:1:1065
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-967:1:1074
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-969:1:1079
-970:1:1080
-971:1:1074
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-975:1:1088
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-978:1:1105
-979:1:1106
-980:1:1107
-981:1:1118
-982:1:1123
-983:1:1124
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-987:1:1135
-988:1:1136
-989:1:1137
-990:1:1148
-991:1:1155
-992:1:1159
-993:0:4462
-994:1:11
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-996:1:1160
-997:1:1161
-998:1:1165
-999:1:1166
-1000:1:1174
-1001:1:1175
-1002:1:1176
-1003:1:1188
-1004:1:1193
-1005:1:1197
-1006:1:1198
-1007:1:1206
-1008:1:1207
-1009:1:1211
-1010:1:1212
-1011:1:1206
-1012:1:1207
-1013:1:1211
-1014:1:1212
-1015:1:1220
-1016:1:1225
-1017:1:1226
-1018:1:1237
-1019:1:1238
-1020:1:1239
-1021:1:1250
-1022:1:1255
-1023:1:1256
-1024:1:1267
-1025:1:1268
-1026:1:1269
-1027:1:1267
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-1029:1:1269
-1030:1:1280
-1031:0:4462
-1032:1:11
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-1034:1:1289
-1035:0:4462
-1036:1:3023
-1037:1:3030
-1038:1:3031
-1039:1:3038
-1040:1:3043
-1041:1:3050
-1042:1:3051
-1043:1:3050
-1044:1:3051
-1045:1:3058
-1046:1:3062
-1047:0:4462
-1048:2:4019
-1049:2:4020
-1050:2:4024
-1051:2:4028
-1052:2:4029
-1053:2:4033
-1054:2:4038
-1055:2:4046
-1056:2:4050
-1057:2:4051
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-1059:2:4047
-1060:2:4055
-1061:2:4062
-1062:2:4069
-1063:2:4070
-1064:2:4077
-1065:2:4082
-1066:2:4089
-1067:2:4090
-1068:2:4089
-1069:2:4090
-1070:2:4097
-1071:2:4101
-1072:0:4462
-1073:2:3318
-1074:2:4000
-1075:0:4462
-1076:2:3128
-1077:0:4462
-1078:2:3319
-1079:0:4462
-1080:2:3128
-1081:0:4462
-1082:2:3322
-1083:2:3323
-1084:2:3327
-1085:2:3328
-1086:2:3336
-1087:2:3337
-1088:2:3341
-1089:2:3342
-1090:2:3350
-1091:2:3355
-1092:2:3359
-1093:2:3360
-1094:2:3368
-1095:2:3369
-1096:2:3373
-1097:2:3374
-1098:2:3368
-1099:2:3369
-1100:2:3373
-1101:2:3374
-1102:2:3382
-1103:2:3387
-1104:2:3388
-1105:2:3399
-1106:2:3400
-1107:2:3401
-1108:2:3412
-1109:2:3417
-1110:2:3418
-1111:2:3429
-1112:2:3430
-1113:2:3431
-1114:2:3429
-1115:2:3430
-1116:2:3431
-1117:2:3442
-1118:2:3449
-1119:0:4462
-1120:2:3128
-1121:0:4462
-1122:2:3453
-1123:2:3454
-1124:2:3455
-1125:2:3467
-1126:2:3468
-1127:2:3472
-1128:2:3473
-1129:2:3481
-1130:2:3486
-1131:2:3490
-1132:2:3491
-1133:2:3499
-1134:2:3500
-1135:2:3504
-1136:2:3505
-1137:2:3499
-1138:2:3500
-1139:2:3504
-1140:2:3505
-1141:2:3513
-1142:2:3518
-1143:2:3519
-1144:2:3530
-1145:2:3531
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-1147:2:3543
-1148:2:3548
-1149:2:3549
-1150:2:3560
-1151:2:3561
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-1155:2:3562
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-1168:2:4124
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-1170:2:4133
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-1172:2:4141
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-1180:2:4161
-1181:2:4168
-1182:2:4173
-1183:2:4180
-1184:2:4181
-1185:2:4180
-1186:2:4181
-1187:2:4188
-1188:2:4192
-1189:0:4462
-1190:2:3590
-1191:2:4000
-1192:0:4462
-1193:2:3128
-1194:0:4462
-1195:1:1291
-1196:1:1292
-1197:0:4460
-1198:1:11
-1199:0:4466
-1200:2:3477
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_single_flip.define b/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_single_flip.define
deleted file mode 100644
index 5e642ef..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_single_flip.define
+++ /dev/null
@@ -1 +0,0 @@
-#define SINGLE_FLIP
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_single_flip.log b/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_single_flip.log
deleted file mode 100644
index e414670..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_single_flip.log
+++ /dev/null
@@ -1,732 +0,0 @@
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define >> pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_free.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_free_single_flip.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1258)
-pan: claim violated! (at depth 1036)
-pan: wrote .input.spin.trail
-
-(Spin Version 5.1.7 -- 23 December 2008)
-Warning: Search not completed
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness disabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 4474, errors: 1
-   607250 states, stored
-2.1024134e+08 states, matched
-2.1084859e+08 transitions (= stored+matched)
-1.2498522e+09 atomic steps
-hash conflicts:  36422558 (resolved)
-
-Stats on memory usage (in Megabytes):
-   67.178	equivalent memory usage for states (stored*(State-vector + overhead))
-   51.749	actual memory usage for states (compression: 77.03%)
-         	state-vector as stored = 61 byte + 28 byte overhead
-    8.000	memory used for hash table (-w20)
-  457.764	memory used for DFS stack (-m10000000)
-  517.424	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 395, "pan.___", state 17, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 49, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 63, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 82, "(1)"
-	line 421, "pan.___", state 112, "(1)"
-	line 425, "pan.___", state 125, "(1)"
-	line 576, "pan.___", state 146, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 395, "pan.___", state 153, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 185, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 199, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 218, "(1)"
-	line 421, "pan.___", state 248, "(1)"
-	line 425, "pan.___", state 261, "(1)"
-	line 395, "pan.___", state 282, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 314, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 328, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 347, "(1)"
-	line 421, "pan.___", state 377, "(1)"
-	line 425, "pan.___", state 390, "(1)"
-	line 395, "pan.___", state 413, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 415, "(1)"
-	line 395, "pan.___", state 416, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 416, "else"
-	line 395, "pan.___", state 419, "(1)"
-	line 399, "pan.___", state 427, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 429, "(1)"
-	line 399, "pan.___", state 430, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 430, "else"
-	line 399, "pan.___", state 433, "(1)"
-	line 399, "pan.___", state 434, "(1)"
-	line 399, "pan.___", state 434, "(1)"
-	line 397, "pan.___", state 439, "((i<1))"
-	line 397, "pan.___", state 439, "((i>=1))"
-	line 404, "pan.___", state 445, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 447, "(1)"
-	line 404, "pan.___", state 448, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 448, "else"
-	line 404, "pan.___", state 451, "(1)"
-	line 404, "pan.___", state 452, "(1)"
-	line 404, "pan.___", state 452, "(1)"
-	line 408, "pan.___", state 459, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 461, "(1)"
-	line 408, "pan.___", state 462, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 462, "else"
-	line 408, "pan.___", state 465, "(1)"
-	line 408, "pan.___", state 466, "(1)"
-	line 408, "pan.___", state 466, "(1)"
-	line 406, "pan.___", state 471, "((i<2))"
-	line 406, "pan.___", state 471, "((i>=2))"
-	line 412, "pan.___", state 478, "(1)"
-	line 412, "pan.___", state 479, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 479, "else"
-	line 412, "pan.___", state 482, "(1)"
-	line 412, "pan.___", state 483, "(1)"
-	line 412, "pan.___", state 483, "(1)"
-	line 416, "pan.___", state 491, "(1)"
-	line 416, "pan.___", state 492, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 492, "else"
-	line 416, "pan.___", state 495, "(1)"
-	line 416, "pan.___", state 496, "(1)"
-	line 416, "pan.___", state 496, "(1)"
-	line 414, "pan.___", state 501, "((i<1))"
-	line 414, "pan.___", state 501, "((i>=1))"
-	line 421, "pan.___", state 508, "(1)"
-	line 421, "pan.___", state 509, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 509, "else"
-	line 421, "pan.___", state 512, "(1)"
-	line 421, "pan.___", state 513, "(1)"
-	line 421, "pan.___", state 513, "(1)"
-	line 425, "pan.___", state 521, "(1)"
-	line 425, "pan.___", state 522, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 522, "else"
-	line 425, "pan.___", state 525, "(1)"
-	line 425, "pan.___", state 526, "(1)"
-	line 425, "pan.___", state 526, "(1)"
-	line 423, "pan.___", state 531, "((i<2))"
-	line 423, "pan.___", state 531, "((i>=2))"
-	line 430, "pan.___", state 535, "(1)"
-	line 430, "pan.___", state 535, "(1)"
-	line 576, "pan.___", state 538, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 576, "pan.___", state 539, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 576, "pan.___", state 540, "(1)"
-	line 250, "pan.___", state 544, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 555, "(1)"
-	line 258, "pan.___", state 566, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 575, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 591, "(1)"
-	line 231, "pan.___", state 599, "(1)"
-	line 235, "pan.___", state 611, "(1)"
-	line 239, "pan.___", state 619, "(1)"
-	line 395, "pan.___", state 637, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 651, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 669, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 683, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 702, "(1)"
-	line 416, "pan.___", state 715, "(1)"
-	line 421, "pan.___", state 732, "(1)"
-	line 425, "pan.___", state 745, "(1)"
-	line 395, "pan.___", state 773, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 775, "(1)"
-	line 395, "pan.___", state 776, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 776, "else"
-	line 395, "pan.___", state 779, "(1)"
-	line 399, "pan.___", state 787, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 789, "(1)"
-	line 399, "pan.___", state 790, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 790, "else"
-	line 399, "pan.___", state 793, "(1)"
-	line 399, "pan.___", state 794, "(1)"
-	line 399, "pan.___", state 794, "(1)"
-	line 397, "pan.___", state 799, "((i<1))"
-	line 397, "pan.___", state 799, "((i>=1))"
-	line 404, "pan.___", state 805, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 807, "(1)"
-	line 404, "pan.___", state 808, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 808, "else"
-	line 404, "pan.___", state 811, "(1)"
-	line 404, "pan.___", state 812, "(1)"
-	line 404, "pan.___", state 812, "(1)"
-	line 408, "pan.___", state 819, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 821, "(1)"
-	line 408, "pan.___", state 822, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 822, "else"
-	line 408, "pan.___", state 825, "(1)"
-	line 408, "pan.___", state 826, "(1)"
-	line 408, "pan.___", state 826, "(1)"
-	line 406, "pan.___", state 831, "((i<2))"
-	line 406, "pan.___", state 831, "((i>=2))"
-	line 412, "pan.___", state 838, "(1)"
-	line 412, "pan.___", state 839, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 839, "else"
-	line 412, "pan.___", state 842, "(1)"
-	line 412, "pan.___", state 843, "(1)"
-	line 412, "pan.___", state 843, "(1)"
-	line 416, "pan.___", state 851, "(1)"
-	line 416, "pan.___", state 852, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 852, "else"
-	line 416, "pan.___", state 855, "(1)"
-	line 416, "pan.___", state 856, "(1)"
-	line 416, "pan.___", state 856, "(1)"
-	line 414, "pan.___", state 861, "((i<1))"
-	line 414, "pan.___", state 861, "((i>=1))"
-	line 421, "pan.___", state 868, "(1)"
-	line 421, "pan.___", state 869, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 869, "else"
-	line 421, "pan.___", state 872, "(1)"
-	line 421, "pan.___", state 873, "(1)"
-	line 421, "pan.___", state 873, "(1)"
-	line 425, "pan.___", state 881, "(1)"
-	line 425, "pan.___", state 882, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 882, "else"
-	line 425, "pan.___", state 885, "(1)"
-	line 425, "pan.___", state 886, "(1)"
-	line 425, "pan.___", state 886, "(1)"
-	line 430, "pan.___", state 895, "(1)"
-	line 430, "pan.___", state 895, "(1)"
-	line 395, "pan.___", state 902, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 904, "(1)"
-	line 395, "pan.___", state 905, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 905, "else"
-	line 395, "pan.___", state 908, "(1)"
-	line 399, "pan.___", state 916, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 918, "(1)"
-	line 399, "pan.___", state 919, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 919, "else"
-	line 399, "pan.___", state 922, "(1)"
-	line 399, "pan.___", state 923, "(1)"
-	line 399, "pan.___", state 923, "(1)"
-	line 397, "pan.___", state 928, "((i<1))"
-	line 397, "pan.___", state 928, "((i>=1))"
-	line 404, "pan.___", state 934, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 936, "(1)"
-	line 404, "pan.___", state 937, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 937, "else"
-	line 404, "pan.___", state 940, "(1)"
-	line 404, "pan.___", state 941, "(1)"
-	line 404, "pan.___", state 941, "(1)"
-	line 408, "pan.___", state 948, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 950, "(1)"
-	line 408, "pan.___", state 951, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 951, "else"
-	line 408, "pan.___", state 954, "(1)"
-	line 408, "pan.___", state 955, "(1)"
-	line 408, "pan.___", state 955, "(1)"
-	line 406, "pan.___", state 960, "((i<2))"
-	line 406, "pan.___", state 960, "((i>=2))"
-	line 412, "pan.___", state 967, "(1)"
-	line 412, "pan.___", state 968, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 968, "else"
-	line 412, "pan.___", state 971, "(1)"
-	line 412, "pan.___", state 972, "(1)"
-	line 412, "pan.___", state 972, "(1)"
-	line 416, "pan.___", state 980, "(1)"
-	line 416, "pan.___", state 981, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 981, "else"
-	line 416, "pan.___", state 984, "(1)"
-	line 416, "pan.___", state 985, "(1)"
-	line 416, "pan.___", state 985, "(1)"
-	line 414, "pan.___", state 990, "((i<1))"
-	line 414, "pan.___", state 990, "((i>=1))"
-	line 421, "pan.___", state 997, "(1)"
-	line 421, "pan.___", state 998, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 998, "else"
-	line 421, "pan.___", state 1001, "(1)"
-	line 421, "pan.___", state 1002, "(1)"
-	line 421, "pan.___", state 1002, "(1)"
-	line 425, "pan.___", state 1010, "(1)"
-	line 425, "pan.___", state 1011, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 1011, "else"
-	line 425, "pan.___", state 1014, "(1)"
-	line 425, "pan.___", state 1015, "(1)"
-	line 425, "pan.___", state 1015, "(1)"
-	line 423, "pan.___", state 1020, "((i<2))"
-	line 423, "pan.___", state 1020, "((i>=2))"
-	line 430, "pan.___", state 1024, "(1)"
-	line 430, "pan.___", state 1024, "(1)"
-	line 584, "pan.___", state 1028, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 395, "pan.___", state 1033, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 1047, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1065, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1079, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1098, "(1)"
-	line 416, "pan.___", state 1111, "(1)"
-	line 421, "pan.___", state 1128, "(1)"
-	line 425, "pan.___", state 1141, "(1)"
-	line 395, "pan.___", state 1165, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1197, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1211, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1230, "(1)"
-	line 421, "pan.___", state 1260, "(1)"
-	line 425, "pan.___", state 1273, "(1)"
-	line 395, "pan.___", state 1298, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1330, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1344, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1363, "(1)"
-	line 421, "pan.___", state 1393, "(1)"
-	line 425, "pan.___", state 1406, "(1)"
-	line 395, "pan.___", state 1427, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1459, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1473, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1492, "(1)"
-	line 421, "pan.___", state 1522, "(1)"
-	line 425, "pan.___", state 1535, "(1)"
-	line 250, "pan.___", state 1558, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1580, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1589, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1605, "(1)"
-	line 231, "pan.___", state 1613, "(1)"
-	line 235, "pan.___", state 1625, "(1)"
-	line 239, "pan.___", state 1633, "(1)"
-	line 395, "pan.___", state 1651, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 1665, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1683, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1697, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1716, "(1)"
-	line 416, "pan.___", state 1729, "(1)"
-	line 421, "pan.___", state 1746, "(1)"
-	line 425, "pan.___", state 1759, "(1)"
-	line 395, "pan.___", state 1780, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 1794, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1812, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1826, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1845, "(1)"
-	line 416, "pan.___", state 1858, "(1)"
-	line 421, "pan.___", state 1875, "(1)"
-	line 425, "pan.___", state 1888, "(1)"
-	line 395, "pan.___", state 1912, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 1928, "(1)"
-	line 404, "pan.___", state 1944, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1958, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1977, "(1)"
-	line 421, "pan.___", state 2007, "(1)"
-	line 425, "pan.___", state 2020, "(1)"
-	line 623, "pan.___", state 2041, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 395, "pan.___", state 2048, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2080, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2094, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2113, "(1)"
-	line 421, "pan.___", state 2143, "(1)"
-	line 425, "pan.___", state 2156, "(1)"
-	line 395, "pan.___", state 2177, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2209, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2223, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2242, "(1)"
-	line 421, "pan.___", state 2272, "(1)"
-	line 425, "pan.___", state 2285, "(1)"
-	line 395, "pan.___", state 2308, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 2310, "(1)"
-	line 395, "pan.___", state 2311, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 2311, "else"
-	line 395, "pan.___", state 2314, "(1)"
-	line 399, "pan.___", state 2322, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2324, "(1)"
-	line 399, "pan.___", state 2325, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 2325, "else"
-	line 399, "pan.___", state 2328, "(1)"
-	line 399, "pan.___", state 2329, "(1)"
-	line 399, "pan.___", state 2329, "(1)"
-	line 397, "pan.___", state 2334, "((i<1))"
-	line 397, "pan.___", state 2334, "((i>=1))"
-	line 404, "pan.___", state 2340, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2342, "(1)"
-	line 404, "pan.___", state 2343, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 2343, "else"
-	line 404, "pan.___", state 2346, "(1)"
-	line 404, "pan.___", state 2347, "(1)"
-	line 404, "pan.___", state 2347, "(1)"
-	line 408, "pan.___", state 2354, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2356, "(1)"
-	line 408, "pan.___", state 2357, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 2357, "else"
-	line 408, "pan.___", state 2360, "(1)"
-	line 408, "pan.___", state 2361, "(1)"
-	line 408, "pan.___", state 2361, "(1)"
-	line 406, "pan.___", state 2366, "((i<2))"
-	line 406, "pan.___", state 2366, "((i>=2))"
-	line 412, "pan.___", state 2373, "(1)"
-	line 412, "pan.___", state 2374, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 2374, "else"
-	line 412, "pan.___", state 2377, "(1)"
-	line 412, "pan.___", state 2378, "(1)"
-	line 412, "pan.___", state 2378, "(1)"
-	line 416, "pan.___", state 2386, "(1)"
-	line 416, "pan.___", state 2387, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 2387, "else"
-	line 416, "pan.___", state 2390, "(1)"
-	line 416, "pan.___", state 2391, "(1)"
-	line 416, "pan.___", state 2391, "(1)"
-	line 414, "pan.___", state 2396, "((i<1))"
-	line 414, "pan.___", state 2396, "((i>=1))"
-	line 421, "pan.___", state 2403, "(1)"
-	line 421, "pan.___", state 2404, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 2404, "else"
-	line 421, "pan.___", state 2407, "(1)"
-	line 421, "pan.___", state 2408, "(1)"
-	line 421, "pan.___", state 2408, "(1)"
-	line 425, "pan.___", state 2416, "(1)"
-	line 425, "pan.___", state 2417, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 2417, "else"
-	line 425, "pan.___", state 2420, "(1)"
-	line 425, "pan.___", state 2421, "(1)"
-	line 425, "pan.___", state 2421, "(1)"
-	line 423, "pan.___", state 2426, "((i<2))"
-	line 423, "pan.___", state 2426, "((i>=2))"
-	line 430, "pan.___", state 2430, "(1)"
-	line 430, "pan.___", state 2430, "(1)"
-	line 623, "pan.___", state 2433, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 623, "pan.___", state 2434, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 623, "pan.___", state 2435, "(1)"
-	line 250, "pan.___", state 2439, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 2450, "(1)"
-	line 258, "pan.___", state 2461, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 2470, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 2486, "(1)"
-	line 231, "pan.___", state 2494, "(1)"
-	line 235, "pan.___", state 2506, "(1)"
-	line 239, "pan.___", state 2514, "(1)"
-	line 395, "pan.___", state 2532, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2546, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2564, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2578, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2597, "(1)"
-	line 416, "pan.___", state 2610, "(1)"
-	line 421, "pan.___", state 2627, "(1)"
-	line 425, "pan.___", state 2640, "(1)"
-	line 250, "pan.___", state 2664, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 2673, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 2686, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 2695, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 2711, "(1)"
-	line 231, "pan.___", state 2719, "(1)"
-	line 235, "pan.___", state 2731, "(1)"
-	line 239, "pan.___", state 2739, "(1)"
-	line 395, "pan.___", state 2757, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2771, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2789, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2803, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2822, "(1)"
-	line 416, "pan.___", state 2835, "(1)"
-	line 421, "pan.___", state 2852, "(1)"
-	line 425, "pan.___", state 2865, "(1)"
-	line 395, "pan.___", state 2886, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2900, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2918, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2932, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2951, "(1)"
-	line 416, "pan.___", state 2964, "(1)"
-	line 421, "pan.___", state 2981, "(1)"
-	line 425, "pan.___", state 2994, "(1)"
-	line 227, "pan.___", state 3027, "(1)"
-	line 235, "pan.___", state 3047, "(1)"
-	line 239, "pan.___", state 3055, "(1)"
-	line 227, "pan.___", state 3070, "(1)"
-	line 231, "pan.___", state 3078, "(1)"
-	line 235, "pan.___", state 3090, "(1)"
-	line 239, "pan.___", state 3098, "(1)"
-	line 877, "pan.___", state 3115, "-end-"
-	(318 of 3115 states)
-unreached in proctype urcu_writer
-	line 395, "pan.___", state 22, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 36, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 54, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 87, "(1)"
-	line 416, "pan.___", state 100, "(1)"
-	line 421, "pan.___", state 117, "(1)"
-	line 250, "pan.___", state 153, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 162, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 175, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 215, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 229, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 247, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 261, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 280, "(1)"
-	line 416, "pan.___", state 293, "(1)"
-	line 421, "pan.___", state 310, "(1)"
-	line 425, "pan.___", state 323, "(1)"
-	line 399, "pan.___", state 360, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 378, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 392, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 424, "(1)"
-	line 421, "pan.___", state 441, "(1)"
-	line 425, "pan.___", state 454, "(1)"
-	line 395, "pan.___", state 483, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 485, "(1)"
-	line 395, "pan.___", state 486, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 486, "else"
-	line 395, "pan.___", state 489, "(1)"
-	line 399, "pan.___", state 497, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 499, "(1)"
-	line 399, "pan.___", state 500, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 500, "else"
-	line 399, "pan.___", state 503, "(1)"
-	line 399, "pan.___", state 504, "(1)"
-	line 399, "pan.___", state 504, "(1)"
-	line 397, "pan.___", state 509, "((i<1))"
-	line 397, "pan.___", state 509, "((i>=1))"
-	line 404, "pan.___", state 515, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 517, "(1)"
-	line 404, "pan.___", state 518, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 518, "else"
-	line 404, "pan.___", state 521, "(1)"
-	line 404, "pan.___", state 522, "(1)"
-	line 404, "pan.___", state 522, "(1)"
-	line 408, "pan.___", state 529, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 531, "(1)"
-	line 408, "pan.___", state 532, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 532, "else"
-	line 408, "pan.___", state 535, "(1)"
-	line 408, "pan.___", state 536, "(1)"
-	line 408, "pan.___", state 536, "(1)"
-	line 406, "pan.___", state 541, "((i<2))"
-	line 406, "pan.___", state 541, "((i>=2))"
-	line 412, "pan.___", state 548, "(1)"
-	line 412, "pan.___", state 549, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 549, "else"
-	line 412, "pan.___", state 552, "(1)"
-	line 412, "pan.___", state 553, "(1)"
-	line 412, "pan.___", state 553, "(1)"
-	line 416, "pan.___", state 561, "(1)"
-	line 416, "pan.___", state 562, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 562, "else"
-	line 416, "pan.___", state 565, "(1)"
-	line 416, "pan.___", state 566, "(1)"
-	line 416, "pan.___", state 566, "(1)"
-	line 414, "pan.___", state 571, "((i<1))"
-	line 414, "pan.___", state 571, "((i>=1))"
-	line 421, "pan.___", state 578, "(1)"
-	line 421, "pan.___", state 579, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 579, "else"
-	line 421, "pan.___", state 582, "(1)"
-	line 421, "pan.___", state 583, "(1)"
-	line 421, "pan.___", state 583, "(1)"
-	line 425, "pan.___", state 591, "(1)"
-	line 425, "pan.___", state 592, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 592, "else"
-	line 425, "pan.___", state 595, "(1)"
-	line 425, "pan.___", state 596, "(1)"
-	line 425, "pan.___", state 596, "(1)"
-	line 430, "pan.___", state 605, "(1)"
-	line 430, "pan.___", state 605, "(1)"
-	line 395, "pan.___", state 612, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 614, "(1)"
-	line 395, "pan.___", state 615, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 615, "else"
-	line 395, "pan.___", state 618, "(1)"
-	line 399, "pan.___", state 626, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 628, "(1)"
-	line 399, "pan.___", state 629, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 629, "else"
-	line 399, "pan.___", state 632, "(1)"
-	line 399, "pan.___", state 633, "(1)"
-	line 399, "pan.___", state 633, "(1)"
-	line 397, "pan.___", state 638, "((i<1))"
-	line 397, "pan.___", state 638, "((i>=1))"
-	line 404, "pan.___", state 644, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 646, "(1)"
-	line 404, "pan.___", state 647, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 647, "else"
-	line 404, "pan.___", state 650, "(1)"
-	line 404, "pan.___", state 651, "(1)"
-	line 404, "pan.___", state 651, "(1)"
-	line 408, "pan.___", state 658, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 660, "(1)"
-	line 408, "pan.___", state 661, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 661, "else"
-	line 408, "pan.___", state 664, "(1)"
-	line 408, "pan.___", state 665, "(1)"
-	line 408, "pan.___", state 665, "(1)"
-	line 406, "pan.___", state 670, "((i<2))"
-	line 406, "pan.___", state 670, "((i>=2))"
-	line 412, "pan.___", state 677, "(1)"
-	line 412, "pan.___", state 678, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 678, "else"
-	line 412, "pan.___", state 681, "(1)"
-	line 412, "pan.___", state 682, "(1)"
-	line 412, "pan.___", state 682, "(1)"
-	line 416, "pan.___", state 690, "(1)"
-	line 416, "pan.___", state 691, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 691, "else"
-	line 416, "pan.___", state 694, "(1)"
-	line 416, "pan.___", state 695, "(1)"
-	line 416, "pan.___", state 695, "(1)"
-	line 414, "pan.___", state 700, "((i<1))"
-	line 414, "pan.___", state 700, "((i>=1))"
-	line 421, "pan.___", state 707, "(1)"
-	line 421, "pan.___", state 708, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 708, "else"
-	line 421, "pan.___", state 711, "(1)"
-	line 421, "pan.___", state 712, "(1)"
-	line 421, "pan.___", state 712, "(1)"
-	line 425, "pan.___", state 720, "(1)"
-	line 425, "pan.___", state 721, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 721, "else"
-	line 425, "pan.___", state 724, "(1)"
-	line 425, "pan.___", state 725, "(1)"
-	line 425, "pan.___", state 725, "(1)"
-	line 423, "pan.___", state 730, "((i<2))"
-	line 423, "pan.___", state 730, "((i>=2))"
-	line 430, "pan.___", state 734, "(1)"
-	line 430, "pan.___", state 734, "(1)"
-	line 1085, "pan.___", state 738, "_proc_urcu_writer = (_proc_urcu_writer|(1<<10))"
-	line 395, "pan.___", state 743, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 745, "(1)"
-	line 395, "pan.___", state 746, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 746, "else"
-	line 395, "pan.___", state 749, "(1)"
-	line 399, "pan.___", state 757, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 759, "(1)"
-	line 399, "pan.___", state 760, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 760, "else"
-	line 399, "pan.___", state 763, "(1)"
-	line 399, "pan.___", state 764, "(1)"
-	line 399, "pan.___", state 764, "(1)"
-	line 397, "pan.___", state 769, "((i<1))"
-	line 397, "pan.___", state 769, "((i>=1))"
-	line 404, "pan.___", state 775, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 777, "(1)"
-	line 404, "pan.___", state 778, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 778, "else"
-	line 404, "pan.___", state 781, "(1)"
-	line 404, "pan.___", state 782, "(1)"
-	line 404, "pan.___", state 782, "(1)"
-	line 408, "pan.___", state 789, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 791, "(1)"
-	line 408, "pan.___", state 792, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 792, "else"
-	line 408, "pan.___", state 795, "(1)"
-	line 408, "pan.___", state 796, "(1)"
-	line 408, "pan.___", state 796, "(1)"
-	line 406, "pan.___", state 801, "((i<2))"
-	line 406, "pan.___", state 801, "((i>=2))"
-	line 412, "pan.___", state 808, "(1)"
-	line 412, "pan.___", state 809, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 809, "else"
-	line 412, "pan.___", state 812, "(1)"
-	line 412, "pan.___", state 813, "(1)"
-	line 412, "pan.___", state 813, "(1)"
-	line 416, "pan.___", state 821, "(1)"
-	line 416, "pan.___", state 822, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 822, "else"
-	line 416, "pan.___", state 825, "(1)"
-	line 416, "pan.___", state 826, "(1)"
-	line 416, "pan.___", state 826, "(1)"
-	line 414, "pan.___", state 831, "((i<1))"
-	line 414, "pan.___", state 831, "((i>=1))"
-	line 421, "pan.___", state 838, "(1)"
-	line 421, "pan.___", state 839, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 839, "else"
-	line 421, "pan.___", state 842, "(1)"
-	line 421, "pan.___", state 843, "(1)"
-	line 421, "pan.___", state 843, "(1)"
-	line 425, "pan.___", state 851, "(1)"
-	line 425, "pan.___", state 852, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 852, "else"
-	line 425, "pan.___", state 855, "(1)"
-	line 425, "pan.___", state 856, "(1)"
-	line 425, "pan.___", state 856, "(1)"
-	line 423, "pan.___", state 861, "((i<2))"
-	line 423, "pan.___", state 861, "((i>=2))"
-	line 430, "pan.___", state 865, "(1)"
-	line 430, "pan.___", state 865, "(1)"
-	line 1100, "pan.___", state 870, "_proc_urcu_writer = (_proc_urcu_writer|(1<<11))"
-	line 1095, "pan.___", state 871, "(((tmp2&((1<<7)-1))&&((tmp2^0)&(1<<7))))"
-	line 1095, "pan.___", state 871, "else"
-	line 1120, "pan.___", state 875, "_proc_urcu_writer = (_proc_urcu_writer&~(((1<<12)|(1<<11))))"
-	line 250, "pan.___", state 906, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 915, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 930, "(1)"
-	line 262, "pan.___", state 937, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 953, "(1)"
-	line 231, "pan.___", state 961, "(1)"
-	line 235, "pan.___", state 973, "(1)"
-	line 239, "pan.___", state 981, "(1)"
-	line 254, "pan.___", state 1006, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1019, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1028, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1044, "(1)"
-	line 231, "pan.___", state 1052, "(1)"
-	line 235, "pan.___", state 1064, "(1)"
-	line 239, "pan.___", state 1072, "(1)"
-	line 250, "pan.___", state 1088, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 250, "pan.___", state 1090, "(1)"
-	line 254, "pan.___", state 1097, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1099, "(1)"
-	line 254, "pan.___", state 1100, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 254, "pan.___", state 1100, "else"
-	line 252, "pan.___", state 1105, "((i<1))"
-	line 252, "pan.___", state 1105, "((i>=1))"
-	line 258, "pan.___", state 1110, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1112, "(1)"
-	line 258, "pan.___", state 1113, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 258, "pan.___", state 1113, "else"
-	line 262, "pan.___", state 1119, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1121, "(1)"
-	line 262, "pan.___", state 1122, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 262, "pan.___", state 1122, "else"
-	line 260, "pan.___", state 1127, "((i<2))"
-	line 260, "pan.___", state 1127, "((i>=2))"
-	line 227, "pan.___", state 1135, "(1)"
-	line 231, "pan.___", state 1143, "(1)"
-	line 231, "pan.___", state 1144, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 231, "pan.___", state 1144, "else"
-	line 229, "pan.___", state 1149, "((i<1))"
-	line 229, "pan.___", state 1149, "((i>=1))"
-	line 235, "pan.___", state 1155, "(1)"
-	line 235, "pan.___", state 1156, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 235, "pan.___", state 1156, "else"
-	line 239, "pan.___", state 1163, "(1)"
-	line 239, "pan.___", state 1164, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 239, "pan.___", state 1164, "else"
-	line 244, "pan.___", state 1173, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 244, "pan.___", state 1173, "else"
-	line 277, "pan.___", state 1175, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 277, "pan.___", state 1175, "else"
-	line 254, "pan.___", state 1188, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1201, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1210, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1226, "(1)"
-	line 231, "pan.___", state 1234, "(1)"
-	line 235, "pan.___", state 1246, "(1)"
-	line 239, "pan.___", state 1254, "(1)"
-	line 1204, "pan.___", state 1269, "-end-"
-	(192 of 1269 states)
-unreached in proctype :init:
-	line 1215, "pan.___", state 9, "((j<2))"
-	line 1215, "pan.___", state 9, "((j>=2))"
-	line 1216, "pan.___", state 20, "((j<2))"
-	line 1216, "pan.___", state 20, "((j>=2))"
-	line 1221, "pan.___", state 33, "((j<2))"
-	line 1221, "pan.___", state 33, "((j>=2))"
-	line 1219, "pan.___", state 43, "((i<1))"
-	line 1219, "pan.___", state 43, "((i>=1))"
-	line 1229, "pan.___", state 54, "((j<2))"
-	line 1229, "pan.___", state 54, "((j>=2))"
-	line 1233, "pan.___", state 67, "((j<2))"
-	line 1233, "pan.___", state 67, "((j>=2))"
-	(6 of 78 states)
-unreached in proctype :never:
-	line 1263, "pan.___", state 8, "-end-"
-	(1 of 8 states)
-
-pan: elapsed time 266 seconds
-pan: rate 2283.3239 states/second
-pan: avg transition delay 1.2613e-06 usec
-cp .input.spin urcu_free_single_flip.spin.input
-cp .input.spin.trail urcu_free_single_flip.spin.input.trail
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_single_flip.spin.input b/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_single_flip.spin.input
deleted file mode 100644
index b2e670e..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_single_flip.spin.input
+++ /dev/null
@@ -1,1240 +0,0 @@
-#define SINGLE_FLIP
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-//#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-//#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)
-//#else
-//#define PROGRESS_LABEL(progressid)
-//#endif
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_single_flip.spin.input.trail b/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_single_flip.spin.input.trail
deleted file mode 100644
index d8a0531..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_free_single_flip.spin.input.trail
+++ /dev/null
@@ -1,1039 +0,0 @@
--2:3:-2
--4:-4:-4
-1:0:4464
-2:3:4384
-3:3:4387
-4:3:4387
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-841:0:4464
-842:1:11
-843:0:4464
-844:1:1289
-845:0:4464
-846:1:3023
-847:1:3030
-848:1:3031
-849:1:3038
-850:1:3043
-851:1:3050
-852:1:3051
-853:1:3050
-854:1:3051
-855:1:3058
-856:1:3062
-857:0:4464
-858:2:3264
-859:2:3268
-860:2:3269
-861:2:3273
-862:2:3277
-863:2:3278
-864:2:3282
-865:2:3290
-866:2:3291
-867:2:3295
-868:2:3299
-869:2:3300
-870:2:3295
-871:2:3296
-872:2:3304
-873:0:4464
-874:2:3131
-875:0:4464
-876:2:3312
-877:2:3313
-878:2:3314
-879:0:4464
-880:2:3131
-881:0:4464
-882:2:3319
-883:0:4464
-884:2:4021
-885:2:4022
-886:2:4026
-887:2:4030
-888:2:4031
-889:2:4035
-890:2:4040
-891:2:4048
-892:2:4052
-893:2:4053
-894:2:4048
-895:2:4052
-896:2:4053
-897:2:4057
-898:2:4064
-899:2:4071
-900:2:4072
-901:2:4079
-902:2:4084
-903:2:4091
-904:2:4092
-905:2:4091
-906:2:4092
-907:2:4099
-908:2:4103
-909:0:4464
-910:2:3321
-911:2:4002
-912:0:4464
-913:2:3131
-914:0:4464
-915:2:3322
-916:0:4464
-917:2:3131
-918:0:4464
-919:2:3325
-920:2:3326
-921:2:3330
-922:2:3331
-923:2:3339
-924:2:3340
-925:2:3344
-926:2:3345
-927:2:3353
-928:2:3358
-929:2:3362
-930:2:3363
-931:2:3371
-932:2:3372
-933:2:3376
-934:2:3377
-935:2:3371
-936:2:3372
-937:2:3376
-938:2:3377
-939:2:3385
-940:2:3390
-941:2:3391
-942:2:3402
-943:2:3403
-944:2:3404
-945:2:3415
-946:2:3420
-947:2:3421
-948:2:3432
-949:2:3433
-950:2:3434
-951:2:3432
-952:2:3433
-953:2:3434
-954:2:3445
-955:2:3452
-956:0:4464
-957:2:3131
-958:0:4464
-959:2:3456
-960:2:3457
-961:2:3458
-962:2:3470
-963:2:3471
-964:2:3475
-965:2:3476
-966:2:3484
-967:2:3489
-968:2:3493
-969:2:3494
-970:2:3502
-971:2:3503
-972:2:3507
-973:2:3508
-974:2:3502
-975:2:3503
-976:2:3507
-977:2:3508
-978:2:3516
-979:2:3521
-980:2:3522
-981:2:3533
-982:2:3534
-983:2:3535
-984:2:3546
-985:2:3551
-986:2:3552
-987:2:3563
-988:2:3564
-989:2:3565
-990:2:3563
-991:2:3564
-992:2:3565
-993:2:3576
-994:2:3584
-995:0:4464
-996:2:3131
-997:0:4464
-998:2:3590
-999:0:4464
-1000:2:4112
-1001:2:4113
-1002:2:4117
-1003:2:4121
-1004:2:4122
-1005:2:4126
-1006:2:4134
-1007:2:4135
-1008:2:4139
-1009:2:4143
-1010:2:4144
-1011:2:4139
-1012:2:4143
-1013:2:4144
-1014:2:4148
-1015:2:4155
-1016:2:4162
-1017:2:4163
-1018:2:4170
-1019:2:4175
-1020:2:4182
-1021:2:4183
-1022:2:4182
-1023:2:4183
-1024:2:4190
-1025:2:4194
-1026:0:4464
-1027:2:3592
-1028:2:4002
-1029:0:4464
-1030:2:3131
-1031:0:4464
-1032:1:1291
-1033:1:1292
-1034:0:4462
-1035:1:11
-1036:0:4468
-1037:2:3480
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress.ltl b/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress.ltl
deleted file mode 100644
index 8718641..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress.ltl
+++ /dev/null
@@ -1 +0,0 @@
-([] <> !np_)
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_reader.define b/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_reader.define
deleted file mode 100644
index ff3f783..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_reader.define
+++ /dev/null
@@ -1 +0,0 @@
-#define READER_PROGRESS
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_reader.log b/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_reader.log
deleted file mode 100644
index b4f4e20..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_reader.log
+++ /dev/null
@@ -1,543 +0,0 @@
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define > pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_progress.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_progress_reader.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -f -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1258)
-depth 23: Claim reached state 9 (line 1263)
-depth 1143: Claim reached state 9 (line 1262)
-Depth=    5344 States=    1e+06 Transitions= 4.94e+08 Memory=   506.389	t=    677 R=   1e+03
-Depth=    5344 States=    2e+06 Transitions= 1.22e+09 Memory=   545.647	t= 1.68e+03 R=   1e+03
-Depth=    5344 States=    3e+06 Transitions= 1.85e+09 Memory=   585.490	t= 2.58e+03 R=   1e+03
-pan: resizing hashtable to -w22..  done
-Depth=    5344 States=    4e+06 Transitions= 2.51e+09 Memory=   656.358	t= 3.5e+03 R=   1e+03
-Depth=    5344 States=    5e+06 Transitions= 3.19e+09 Memory=   693.662	t= 4.45e+03 R=   1e+03
-Depth=    5344 States=    6e+06 Transitions= 3.87e+09 Memory=   736.240	t= 5.41e+03 R=   1e+03
-Depth=    5344 States=    7e+06 Transitions= 4.51e+09 Memory=   776.084	t= 6.3e+03 R=   1e+03
-Depth=    5344 States=    8e+06 Transitions= 5.21e+09 Memory=   816.416	t= 7.28e+03 R=   1e+03
-
-(Spin Version 5.1.7 -- 23 December 2008)
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness enabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 5344, errors: 0
-  3811179 states, stored (8.02512e+06 visited)
-5.2123433e+09 states, matched
-5.2203684e+09 transitions (= visited+matched)
-3.1088208e+10 atomic steps
-hash conflicts: 1.9918982e+09 (resolved)
-
-Stats on memory usage (in Megabytes):
-  421.616	equivalent memory usage for states (stored*(State-vector + overhead))
-  328.016	actual memory usage for states (compression: 77.80%)
-         	state-vector as stored = 62 byte + 28 byte overhead
-   32.000	memory used for hash table (-w22)
-  457.764	memory used for DFS stack (-m10000000)
-  817.490	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 395, "pan.___", state 17, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 49, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 63, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 82, "(1)"
-	line 421, "pan.___", state 112, "(1)"
-	line 425, "pan.___", state 125, "(1)"
-	line 576, "pan.___", state 146, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 395, "pan.___", state 153, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 185, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 199, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 218, "(1)"
-	line 421, "pan.___", state 248, "(1)"
-	line 425, "pan.___", state 261, "(1)"
-	line 395, "pan.___", state 282, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 314, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 328, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 347, "(1)"
-	line 421, "pan.___", state 377, "(1)"
-	line 425, "pan.___", state 390, "(1)"
-	line 395, "pan.___", state 413, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 415, "(1)"
-	line 395, "pan.___", state 416, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 416, "else"
-	line 395, "pan.___", state 419, "(1)"
-	line 399, "pan.___", state 427, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 429, "(1)"
-	line 399, "pan.___", state 430, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 430, "else"
-	line 399, "pan.___", state 433, "(1)"
-	line 399, "pan.___", state 434, "(1)"
-	line 399, "pan.___", state 434, "(1)"
-	line 397, "pan.___", state 439, "((i<1))"
-	line 397, "pan.___", state 439, "((i>=1))"
-	line 404, "pan.___", state 445, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 447, "(1)"
-	line 404, "pan.___", state 448, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 448, "else"
-	line 404, "pan.___", state 451, "(1)"
-	line 404, "pan.___", state 452, "(1)"
-	line 404, "pan.___", state 452, "(1)"
-	line 408, "pan.___", state 459, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 461, "(1)"
-	line 408, "pan.___", state 462, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 462, "else"
-	line 408, "pan.___", state 465, "(1)"
-	line 408, "pan.___", state 466, "(1)"
-	line 408, "pan.___", state 466, "(1)"
-	line 406, "pan.___", state 471, "((i<2))"
-	line 406, "pan.___", state 471, "((i>=2))"
-	line 412, "pan.___", state 478, "(1)"
-	line 412, "pan.___", state 479, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 479, "else"
-	line 412, "pan.___", state 482, "(1)"
-	line 412, "pan.___", state 483, "(1)"
-	line 412, "pan.___", state 483, "(1)"
-	line 416, "pan.___", state 491, "(1)"
-	line 416, "pan.___", state 492, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 492, "else"
-	line 416, "pan.___", state 495, "(1)"
-	line 416, "pan.___", state 496, "(1)"
-	line 416, "pan.___", state 496, "(1)"
-	line 414, "pan.___", state 501, "((i<1))"
-	line 414, "pan.___", state 501, "((i>=1))"
-	line 421, "pan.___", state 508, "(1)"
-	line 421, "pan.___", state 509, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 509, "else"
-	line 421, "pan.___", state 512, "(1)"
-	line 421, "pan.___", state 513, "(1)"
-	line 421, "pan.___", state 513, "(1)"
-	line 425, "pan.___", state 521, "(1)"
-	line 425, "pan.___", state 522, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 522, "else"
-	line 425, "pan.___", state 525, "(1)"
-	line 425, "pan.___", state 526, "(1)"
-	line 425, "pan.___", state 526, "(1)"
-	line 423, "pan.___", state 531, "((i<2))"
-	line 423, "pan.___", state 531, "((i>=2))"
-	line 430, "pan.___", state 535, "(1)"
-	line 430, "pan.___", state 535, "(1)"
-	line 576, "pan.___", state 538, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 576, "pan.___", state 539, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 576, "pan.___", state 540, "(1)"
-	line 250, "pan.___", state 544, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 555, "(1)"
-	line 258, "pan.___", state 566, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 575, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 591, "(1)"
-	line 231, "pan.___", state 599, "(1)"
-	line 235, "pan.___", state 611, "(1)"
-	line 239, "pan.___", state 619, "(1)"
-	line 395, "pan.___", state 637, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 651, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 669, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 683, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 702, "(1)"
-	line 416, "pan.___", state 715, "(1)"
-	line 421, "pan.___", state 732, "(1)"
-	line 425, "pan.___", state 745, "(1)"
-	line 395, "pan.___", state 773, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 775, "(1)"
-	line 395, "pan.___", state 776, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 776, "else"
-	line 395, "pan.___", state 779, "(1)"
-	line 399, "pan.___", state 787, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 789, "(1)"
-	line 399, "pan.___", state 790, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 790, "else"
-	line 399, "pan.___", state 793, "(1)"
-	line 399, "pan.___", state 794, "(1)"
-	line 399, "pan.___", state 794, "(1)"
-	line 397, "pan.___", state 799, "((i<1))"
-	line 397, "pan.___", state 799, "((i>=1))"
-	line 404, "pan.___", state 805, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 807, "(1)"
-	line 404, "pan.___", state 808, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 808, "else"
-	line 404, "pan.___", state 811, "(1)"
-	line 404, "pan.___", state 812, "(1)"
-	line 404, "pan.___", state 812, "(1)"
-	line 408, "pan.___", state 819, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 821, "(1)"
-	line 408, "pan.___", state 822, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 822, "else"
-	line 408, "pan.___", state 825, "(1)"
-	line 408, "pan.___", state 826, "(1)"
-	line 408, "pan.___", state 826, "(1)"
-	line 406, "pan.___", state 831, "((i<2))"
-	line 406, "pan.___", state 831, "((i>=2))"
-	line 412, "pan.___", state 838, "(1)"
-	line 412, "pan.___", state 839, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 839, "else"
-	line 412, "pan.___", state 842, "(1)"
-	line 412, "pan.___", state 843, "(1)"
-	line 412, "pan.___", state 843, "(1)"
-	line 416, "pan.___", state 851, "(1)"
-	line 416, "pan.___", state 852, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 852, "else"
-	line 416, "pan.___", state 855, "(1)"
-	line 416, "pan.___", state 856, "(1)"
-	line 416, "pan.___", state 856, "(1)"
-	line 414, "pan.___", state 861, "((i<1))"
-	line 414, "pan.___", state 861, "((i>=1))"
-	line 421, "pan.___", state 868, "(1)"
-	line 421, "pan.___", state 869, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 869, "else"
-	line 421, "pan.___", state 872, "(1)"
-	line 421, "pan.___", state 873, "(1)"
-	line 421, "pan.___", state 873, "(1)"
-	line 425, "pan.___", state 881, "(1)"
-	line 425, "pan.___", state 882, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 882, "else"
-	line 425, "pan.___", state 885, "(1)"
-	line 425, "pan.___", state 886, "(1)"
-	line 425, "pan.___", state 886, "(1)"
-	line 430, "pan.___", state 895, "(1)"
-	line 430, "pan.___", state 895, "(1)"
-	line 395, "pan.___", state 902, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 904, "(1)"
-	line 395, "pan.___", state 905, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 905, "else"
-	line 395, "pan.___", state 908, "(1)"
-	line 399, "pan.___", state 916, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 918, "(1)"
-	line 399, "pan.___", state 919, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 919, "else"
-	line 399, "pan.___", state 922, "(1)"
-	line 399, "pan.___", state 923, "(1)"
-	line 399, "pan.___", state 923, "(1)"
-	line 397, "pan.___", state 928, "((i<1))"
-	line 397, "pan.___", state 928, "((i>=1))"
-	line 404, "pan.___", state 934, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 936, "(1)"
-	line 404, "pan.___", state 937, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 937, "else"
-	line 404, "pan.___", state 940, "(1)"
-	line 404, "pan.___", state 941, "(1)"
-	line 404, "pan.___", state 941, "(1)"
-	line 408, "pan.___", state 948, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 950, "(1)"
-	line 408, "pan.___", state 951, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 951, "else"
-	line 408, "pan.___", state 954, "(1)"
-	line 408, "pan.___", state 955, "(1)"
-	line 408, "pan.___", state 955, "(1)"
-	line 406, "pan.___", state 960, "((i<2))"
-	line 406, "pan.___", state 960, "((i>=2))"
-	line 412, "pan.___", state 967, "(1)"
-	line 412, "pan.___", state 968, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 968, "else"
-	line 412, "pan.___", state 971, "(1)"
-	line 412, "pan.___", state 972, "(1)"
-	line 412, "pan.___", state 972, "(1)"
-	line 416, "pan.___", state 980, "(1)"
-	line 416, "pan.___", state 981, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 981, "else"
-	line 416, "pan.___", state 984, "(1)"
-	line 416, "pan.___", state 985, "(1)"
-	line 416, "pan.___", state 985, "(1)"
-	line 414, "pan.___", state 990, "((i<1))"
-	line 414, "pan.___", state 990, "((i>=1))"
-	line 421, "pan.___", state 997, "(1)"
-	line 421, "pan.___", state 998, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 998, "else"
-	line 421, "pan.___", state 1001, "(1)"
-	line 421, "pan.___", state 1002, "(1)"
-	line 421, "pan.___", state 1002, "(1)"
-	line 425, "pan.___", state 1010, "(1)"
-	line 425, "pan.___", state 1011, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 1011, "else"
-	line 425, "pan.___", state 1014, "(1)"
-	line 425, "pan.___", state 1015, "(1)"
-	line 425, "pan.___", state 1015, "(1)"
-	line 423, "pan.___", state 1020, "((i<2))"
-	line 423, "pan.___", state 1020, "((i>=2))"
-	line 430, "pan.___", state 1024, "(1)"
-	line 430, "pan.___", state 1024, "(1)"
-	line 584, "pan.___", state 1028, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 395, "pan.___", state 1033, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 1047, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1065, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1079, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1098, "(1)"
-	line 416, "pan.___", state 1111, "(1)"
-	line 421, "pan.___", state 1128, "(1)"
-	line 425, "pan.___", state 1141, "(1)"
-	line 395, "pan.___", state 1165, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1197, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1211, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1230, "(1)"
-	line 421, "pan.___", state 1260, "(1)"
-	line 425, "pan.___", state 1273, "(1)"
-	line 395, "pan.___", state 1298, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1330, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1344, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1363, "(1)"
-	line 421, "pan.___", state 1393, "(1)"
-	line 425, "pan.___", state 1406, "(1)"
-	line 395, "pan.___", state 1427, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1459, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1473, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1492, "(1)"
-	line 421, "pan.___", state 1522, "(1)"
-	line 425, "pan.___", state 1535, "(1)"
-	line 250, "pan.___", state 1558, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1580, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1589, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1605, "(1)"
-	line 231, "pan.___", state 1613, "(1)"
-	line 235, "pan.___", state 1625, "(1)"
-	line 239, "pan.___", state 1633, "(1)"
-	line 395, "pan.___", state 1651, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 1665, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1683, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1697, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1716, "(1)"
-	line 416, "pan.___", state 1729, "(1)"
-	line 421, "pan.___", state 1746, "(1)"
-	line 425, "pan.___", state 1759, "(1)"
-	line 395, "pan.___", state 1780, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 1794, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1812, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1826, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1845, "(1)"
-	line 416, "pan.___", state 1858, "(1)"
-	line 421, "pan.___", state 1875, "(1)"
-	line 425, "pan.___", state 1888, "(1)"
-	line 395, "pan.___", state 1912, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 1928, "(1)"
-	line 404, "pan.___", state 1944, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1958, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1977, "(1)"
-	line 421, "pan.___", state 2007, "(1)"
-	line 425, "pan.___", state 2020, "(1)"
-	line 623, "pan.___", state 2041, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 395, "pan.___", state 2048, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2080, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2094, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2113, "(1)"
-	line 421, "pan.___", state 2143, "(1)"
-	line 425, "pan.___", state 2156, "(1)"
-	line 395, "pan.___", state 2177, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2209, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2223, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2242, "(1)"
-	line 421, "pan.___", state 2272, "(1)"
-	line 425, "pan.___", state 2285, "(1)"
-	line 395, "pan.___", state 2308, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 2310, "(1)"
-	line 395, "pan.___", state 2311, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 2311, "else"
-	line 395, "pan.___", state 2314, "(1)"
-	line 399, "pan.___", state 2322, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2324, "(1)"
-	line 399, "pan.___", state 2325, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 2325, "else"
-	line 399, "pan.___", state 2328, "(1)"
-	line 399, "pan.___", state 2329, "(1)"
-	line 399, "pan.___", state 2329, "(1)"
-	line 397, "pan.___", state 2334, "((i<1))"
-	line 397, "pan.___", state 2334, "((i>=1))"
-	line 404, "pan.___", state 2340, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2342, "(1)"
-	line 404, "pan.___", state 2343, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 2343, "else"
-	line 404, "pan.___", state 2346, "(1)"
-	line 404, "pan.___", state 2347, "(1)"
-	line 404, "pan.___", state 2347, "(1)"
-	line 408, "pan.___", state 2354, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2356, "(1)"
-	line 408, "pan.___", state 2357, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 2357, "else"
-	line 408, "pan.___", state 2360, "(1)"
-	line 408, "pan.___", state 2361, "(1)"
-	line 408, "pan.___", state 2361, "(1)"
-	line 406, "pan.___", state 2366, "((i<2))"
-	line 406, "pan.___", state 2366, "((i>=2))"
-	line 412, "pan.___", state 2373, "(1)"
-	line 412, "pan.___", state 2374, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 2374, "else"
-	line 412, "pan.___", state 2377, "(1)"
-	line 412, "pan.___", state 2378, "(1)"
-	line 412, "pan.___", state 2378, "(1)"
-	line 416, "pan.___", state 2386, "(1)"
-	line 416, "pan.___", state 2387, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 2387, "else"
-	line 416, "pan.___", state 2390, "(1)"
-	line 416, "pan.___", state 2391, "(1)"
-	line 416, "pan.___", state 2391, "(1)"
-	line 414, "pan.___", state 2396, "((i<1))"
-	line 414, "pan.___", state 2396, "((i>=1))"
-	line 421, "pan.___", state 2403, "(1)"
-	line 421, "pan.___", state 2404, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 2404, "else"
-	line 421, "pan.___", state 2407, "(1)"
-	line 421, "pan.___", state 2408, "(1)"
-	line 421, "pan.___", state 2408, "(1)"
-	line 425, "pan.___", state 2416, "(1)"
-	line 425, "pan.___", state 2417, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 2417, "else"
-	line 425, "pan.___", state 2420, "(1)"
-	line 425, "pan.___", state 2421, "(1)"
-	line 425, "pan.___", state 2421, "(1)"
-	line 423, "pan.___", state 2426, "((i<2))"
-	line 423, "pan.___", state 2426, "((i>=2))"
-	line 430, "pan.___", state 2430, "(1)"
-	line 430, "pan.___", state 2430, "(1)"
-	line 623, "pan.___", state 2433, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 623, "pan.___", state 2434, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 623, "pan.___", state 2435, "(1)"
-	line 250, "pan.___", state 2439, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 2450, "(1)"
-	line 258, "pan.___", state 2461, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 2470, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 2486, "(1)"
-	line 231, "pan.___", state 2494, "(1)"
-	line 235, "pan.___", state 2506, "(1)"
-	line 239, "pan.___", state 2514, "(1)"
-	line 395, "pan.___", state 2532, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2546, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2564, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2578, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2597, "(1)"
-	line 416, "pan.___", state 2610, "(1)"
-	line 421, "pan.___", state 2627, "(1)"
-	line 425, "pan.___", state 2640, "(1)"
-	line 250, "pan.___", state 2664, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 2673, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 2686, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 2695, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 2711, "(1)"
-	line 231, "pan.___", state 2719, "(1)"
-	line 235, "pan.___", state 2731, "(1)"
-	line 239, "pan.___", state 2739, "(1)"
-	line 395, "pan.___", state 2757, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2771, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2789, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2803, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2822, "(1)"
-	line 416, "pan.___", state 2835, "(1)"
-	line 421, "pan.___", state 2852, "(1)"
-	line 425, "pan.___", state 2865, "(1)"
-	line 395, "pan.___", state 2886, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2900, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2918, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2932, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2951, "(1)"
-	line 416, "pan.___", state 2964, "(1)"
-	line 421, "pan.___", state 2981, "(1)"
-	line 425, "pan.___", state 2994, "(1)"
-	line 227, "pan.___", state 3027, "(1)"
-	line 235, "pan.___", state 3047, "(1)"
-	line 239, "pan.___", state 3055, "(1)"
-	line 227, "pan.___", state 3070, "(1)"
-	line 231, "pan.___", state 3078, "(1)"
-	line 235, "pan.___", state 3090, "(1)"
-	line 239, "pan.___", state 3098, "(1)"
-	line 877, "pan.___", state 3115, "-end-"
-	(318 of 3115 states)
-unreached in proctype urcu_writer
-	line 395, "pan.___", state 18, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 32, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 50, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 83, "(1)"
-	line 416, "pan.___", state 96, "(1)"
-	line 421, "pan.___", state 113, "(1)"
-	line 250, "pan.___", state 149, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 158, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 171, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 211, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 225, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 243, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 257, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 276, "(1)"
-	line 416, "pan.___", state 289, "(1)"
-	line 421, "pan.___", state 306, "(1)"
-	line 425, "pan.___", state 319, "(1)"
-	line 399, "pan.___", state 356, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 374, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 388, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 420, "(1)"
-	line 421, "pan.___", state 437, "(1)"
-	line 425, "pan.___", state 450, "(1)"
-	line 399, "pan.___", state 494, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 512, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 526, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 558, "(1)"
-	line 421, "pan.___", state 575, "(1)"
-	line 425, "pan.___", state 588, "(1)"
-	line 399, "pan.___", state 623, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 641, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 655, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 687, "(1)"
-	line 421, "pan.___", state 704, "(1)"
-	line 425, "pan.___", state 717, "(1)"
-	line 399, "pan.___", state 754, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 772, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 786, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 818, "(1)"
-	line 421, "pan.___", state 835, "(1)"
-	line 425, "pan.___", state 848, "(1)"
-	line 250, "pan.___", state 898, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 907, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 920, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 945, "(1)"
-	line 231, "pan.___", state 953, "(1)"
-	line 235, "pan.___", state 965, "(1)"
-	line 239, "pan.___", state 973, "(1)"
-	line 250, "pan.___", state 993, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 1002, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1017, "(1)"
-	line 262, "pan.___", state 1024, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1040, "(1)"
-	line 231, "pan.___", state 1048, "(1)"
-	line 235, "pan.___", state 1060, "(1)"
-	line 239, "pan.___", state 1068, "(1)"
-	line 254, "pan.___", state 1093, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1106, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1115, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1131, "(1)"
-	line 231, "pan.___", state 1139, "(1)"
-	line 235, "pan.___", state 1151, "(1)"
-	line 239, "pan.___", state 1159, "(1)"
-	line 254, "pan.___", state 1184, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1197, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1206, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1222, "(1)"
-	line 231, "pan.___", state 1230, "(1)"
-	line 235, "pan.___", state 1242, "(1)"
-	line 239, "pan.___", state 1250, "(1)"
-	line 254, "pan.___", state 1275, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1288, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1297, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1313, "(1)"
-	line 231, "pan.___", state 1321, "(1)"
-	line 235, "pan.___", state 1333, "(1)"
-	line 239, "pan.___", state 1341, "(1)"
-	line 1204, "pan.___", state 1356, "-end-"
-	(78 of 1356 states)
-unreached in proctype :init:
-	(0 of 78 states)
-unreached in proctype :never:
-	line 1265, "pan.___", state 11, "-end-"
-	(1 of 11 states)
-
-pan: elapsed time 7.29e+03 seconds
-pan: rate 1100.4528 states/second
-pan: avg transition delay 1.3969e-06 usec
-cp .input.spin urcu_progress_reader.spin.input
-cp .input.spin.trail urcu_progress_reader.spin.input.trail
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_reader.spin.input b/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_reader.spin.input
deleted file mode 100644
index a9b6907..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_reader.spin.input
+++ /dev/null
@@ -1,1240 +0,0 @@
-#define READER_PROGRESS
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-//#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-//#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)
-//#else
-//#define PROGRESS_LABEL(progressid)
-//#endif
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_writer.define b/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_writer.define
deleted file mode 100644
index 1e4417f..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_writer.define
+++ /dev/null
@@ -1 +0,0 @@
-#define WRITER_PROGRESS
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_writer.log b/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_writer.log
deleted file mode 100644
index 240c728..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_writer.log
+++ /dev/null
@@ -1,536 +0,0 @@
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define > pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_progress.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_progress_writer.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -f -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1258)
-depth 23: Claim reached state 9 (line 1263)
-depth 1481: Claim reached state 9 (line 1262)
-Depth=    4026 States=    1e+06 Transitions=  4.1e+08 Memory=   492.131	t=    536 R=   2e+03
-Depth=    4485 States=    2e+06 Transitions= 8.98e+08 Memory=   518.401	t= 1.18e+03 R=   2e+03
-Depth=    4485 States=    3e+06 Transitions= 1.65e+09 Memory=   565.666	t= 2.18e+03 R=   1e+03
-pan: resizing hashtable to -w22..  done
-Depth=    4694 States=    4e+06 Transitions= 2.35e+09 Memory=   638.975	t= 3.12e+03 R=   1e+03
-Depth=    4694 States=    5e+06 Transitions= 3.04e+09 Memory=   684.190	t= 4.03e+03 R=   1e+03
-Depth=    4694 States=    6e+06 Transitions=  3.8e+09 Memory=   723.936	t= 5.04e+03 R=   1e+03
-Depth=    4694 States=    7e+06 Transitions= 4.45e+09 Memory=   769.248	t= 5.92e+03 R=   1e+03
-Depth=    4694 States=    8e+06 Transitions= 5.23e+09 Memory=   814.561	t= 6.96e+03 R=   1e+03
-
-(Spin Version 5.1.7 -- 23 December 2008)
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness enabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 4694, errors: 0
-  3819484 states, stored (8.06154e+06 visited)
-5.2640635e+09 states, matched
-5.272125e+09 transitions (= visited+matched)
-3.1366722e+10 atomic steps
-hash conflicts: 1.5911163e+09 (resolved)
-
-Stats on memory usage (in Megabytes):
-  422.535	equivalent memory usage for states (stored*(State-vector + overhead))
-  328.667	actual memory usage for states (compression: 77.78%)
-         	state-vector as stored = 62 byte + 28 byte overhead
-   32.000	memory used for hash table (-w22)
-  457.764	memory used for DFS stack (-m10000000)
-  818.174	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 395, "pan.___", state 17, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 49, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 63, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 82, "(1)"
-	line 421, "pan.___", state 112, "(1)"
-	line 425, "pan.___", state 125, "(1)"
-	line 576, "pan.___", state 146, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 395, "pan.___", state 153, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 185, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 199, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 218, "(1)"
-	line 421, "pan.___", state 248, "(1)"
-	line 425, "pan.___", state 261, "(1)"
-	line 395, "pan.___", state 282, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 314, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 328, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 347, "(1)"
-	line 421, "pan.___", state 377, "(1)"
-	line 425, "pan.___", state 390, "(1)"
-	line 395, "pan.___", state 413, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 415, "(1)"
-	line 395, "pan.___", state 416, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 416, "else"
-	line 395, "pan.___", state 419, "(1)"
-	line 399, "pan.___", state 427, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 429, "(1)"
-	line 399, "pan.___", state 430, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 430, "else"
-	line 399, "pan.___", state 433, "(1)"
-	line 399, "pan.___", state 434, "(1)"
-	line 399, "pan.___", state 434, "(1)"
-	line 397, "pan.___", state 439, "((i<1))"
-	line 397, "pan.___", state 439, "((i>=1))"
-	line 404, "pan.___", state 445, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 447, "(1)"
-	line 404, "pan.___", state 448, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 448, "else"
-	line 404, "pan.___", state 451, "(1)"
-	line 404, "pan.___", state 452, "(1)"
-	line 404, "pan.___", state 452, "(1)"
-	line 408, "pan.___", state 459, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 461, "(1)"
-	line 408, "pan.___", state 462, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 462, "else"
-	line 408, "pan.___", state 465, "(1)"
-	line 408, "pan.___", state 466, "(1)"
-	line 408, "pan.___", state 466, "(1)"
-	line 406, "pan.___", state 471, "((i<2))"
-	line 406, "pan.___", state 471, "((i>=2))"
-	line 412, "pan.___", state 478, "(1)"
-	line 412, "pan.___", state 479, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 479, "else"
-	line 412, "pan.___", state 482, "(1)"
-	line 412, "pan.___", state 483, "(1)"
-	line 412, "pan.___", state 483, "(1)"
-	line 416, "pan.___", state 491, "(1)"
-	line 416, "pan.___", state 492, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 492, "else"
-	line 416, "pan.___", state 495, "(1)"
-	line 416, "pan.___", state 496, "(1)"
-	line 416, "pan.___", state 496, "(1)"
-	line 414, "pan.___", state 501, "((i<1))"
-	line 414, "pan.___", state 501, "((i>=1))"
-	line 421, "pan.___", state 508, "(1)"
-	line 421, "pan.___", state 509, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 509, "else"
-	line 421, "pan.___", state 512, "(1)"
-	line 421, "pan.___", state 513, "(1)"
-	line 421, "pan.___", state 513, "(1)"
-	line 425, "pan.___", state 521, "(1)"
-	line 425, "pan.___", state 522, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 522, "else"
-	line 425, "pan.___", state 525, "(1)"
-	line 425, "pan.___", state 526, "(1)"
-	line 425, "pan.___", state 526, "(1)"
-	line 423, "pan.___", state 531, "((i<2))"
-	line 423, "pan.___", state 531, "((i>=2))"
-	line 430, "pan.___", state 535, "(1)"
-	line 430, "pan.___", state 535, "(1)"
-	line 576, "pan.___", state 538, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 576, "pan.___", state 539, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 576, "pan.___", state 540, "(1)"
-	line 250, "pan.___", state 544, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 555, "(1)"
-	line 258, "pan.___", state 566, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 575, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 591, "(1)"
-	line 231, "pan.___", state 599, "(1)"
-	line 235, "pan.___", state 611, "(1)"
-	line 239, "pan.___", state 619, "(1)"
-	line 395, "pan.___", state 637, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 651, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 669, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 683, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 702, "(1)"
-	line 416, "pan.___", state 715, "(1)"
-	line 421, "pan.___", state 732, "(1)"
-	line 425, "pan.___", state 745, "(1)"
-	line 395, "pan.___", state 773, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 775, "(1)"
-	line 395, "pan.___", state 776, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 776, "else"
-	line 395, "pan.___", state 779, "(1)"
-	line 399, "pan.___", state 787, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 789, "(1)"
-	line 399, "pan.___", state 790, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 790, "else"
-	line 399, "pan.___", state 793, "(1)"
-	line 399, "pan.___", state 794, "(1)"
-	line 399, "pan.___", state 794, "(1)"
-	line 397, "pan.___", state 799, "((i<1))"
-	line 397, "pan.___", state 799, "((i>=1))"
-	line 404, "pan.___", state 805, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 807, "(1)"
-	line 404, "pan.___", state 808, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 808, "else"
-	line 404, "pan.___", state 811, "(1)"
-	line 404, "pan.___", state 812, "(1)"
-	line 404, "pan.___", state 812, "(1)"
-	line 408, "pan.___", state 819, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 821, "(1)"
-	line 408, "pan.___", state 822, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 822, "else"
-	line 408, "pan.___", state 825, "(1)"
-	line 408, "pan.___", state 826, "(1)"
-	line 408, "pan.___", state 826, "(1)"
-	line 406, "pan.___", state 831, "((i<2))"
-	line 406, "pan.___", state 831, "((i>=2))"
-	line 412, "pan.___", state 838, "(1)"
-	line 412, "pan.___", state 839, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 839, "else"
-	line 412, "pan.___", state 842, "(1)"
-	line 412, "pan.___", state 843, "(1)"
-	line 412, "pan.___", state 843, "(1)"
-	line 416, "pan.___", state 851, "(1)"
-	line 416, "pan.___", state 852, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 852, "else"
-	line 416, "pan.___", state 855, "(1)"
-	line 416, "pan.___", state 856, "(1)"
-	line 416, "pan.___", state 856, "(1)"
-	line 414, "pan.___", state 861, "((i<1))"
-	line 414, "pan.___", state 861, "((i>=1))"
-	line 421, "pan.___", state 868, "(1)"
-	line 421, "pan.___", state 869, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 869, "else"
-	line 421, "pan.___", state 872, "(1)"
-	line 421, "pan.___", state 873, "(1)"
-	line 421, "pan.___", state 873, "(1)"
-	line 425, "pan.___", state 881, "(1)"
-	line 425, "pan.___", state 882, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 882, "else"
-	line 425, "pan.___", state 885, "(1)"
-	line 425, "pan.___", state 886, "(1)"
-	line 425, "pan.___", state 886, "(1)"
-	line 430, "pan.___", state 895, "(1)"
-	line 430, "pan.___", state 895, "(1)"
-	line 395, "pan.___", state 902, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 904, "(1)"
-	line 395, "pan.___", state 905, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 905, "else"
-	line 395, "pan.___", state 908, "(1)"
-	line 399, "pan.___", state 916, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 918, "(1)"
-	line 399, "pan.___", state 919, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 919, "else"
-	line 399, "pan.___", state 922, "(1)"
-	line 399, "pan.___", state 923, "(1)"
-	line 399, "pan.___", state 923, "(1)"
-	line 397, "pan.___", state 928, "((i<1))"
-	line 397, "pan.___", state 928, "((i>=1))"
-	line 404, "pan.___", state 934, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 936, "(1)"
-	line 404, "pan.___", state 937, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 937, "else"
-	line 404, "pan.___", state 940, "(1)"
-	line 404, "pan.___", state 941, "(1)"
-	line 404, "pan.___", state 941, "(1)"
-	line 408, "pan.___", state 948, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 950, "(1)"
-	line 408, "pan.___", state 951, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 951, "else"
-	line 408, "pan.___", state 954, "(1)"
-	line 408, "pan.___", state 955, "(1)"
-	line 408, "pan.___", state 955, "(1)"
-	line 406, "pan.___", state 960, "((i<2))"
-	line 406, "pan.___", state 960, "((i>=2))"
-	line 412, "pan.___", state 967, "(1)"
-	line 412, "pan.___", state 968, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 968, "else"
-	line 412, "pan.___", state 971, "(1)"
-	line 412, "pan.___", state 972, "(1)"
-	line 412, "pan.___", state 972, "(1)"
-	line 416, "pan.___", state 980, "(1)"
-	line 416, "pan.___", state 981, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 981, "else"
-	line 416, "pan.___", state 984, "(1)"
-	line 416, "pan.___", state 985, "(1)"
-	line 416, "pan.___", state 985, "(1)"
-	line 414, "pan.___", state 990, "((i<1))"
-	line 414, "pan.___", state 990, "((i>=1))"
-	line 421, "pan.___", state 997, "(1)"
-	line 421, "pan.___", state 998, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 998, "else"
-	line 421, "pan.___", state 1001, "(1)"
-	line 421, "pan.___", state 1002, "(1)"
-	line 421, "pan.___", state 1002, "(1)"
-	line 425, "pan.___", state 1010, "(1)"
-	line 425, "pan.___", state 1011, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 1011, "else"
-	line 425, "pan.___", state 1014, "(1)"
-	line 425, "pan.___", state 1015, "(1)"
-	line 425, "pan.___", state 1015, "(1)"
-	line 423, "pan.___", state 1020, "((i<2))"
-	line 423, "pan.___", state 1020, "((i>=2))"
-	line 430, "pan.___", state 1024, "(1)"
-	line 430, "pan.___", state 1024, "(1)"
-	line 584, "pan.___", state 1028, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 395, "pan.___", state 1033, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 1047, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1065, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1079, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1098, "(1)"
-	line 416, "pan.___", state 1111, "(1)"
-	line 421, "pan.___", state 1128, "(1)"
-	line 425, "pan.___", state 1141, "(1)"
-	line 395, "pan.___", state 1165, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1197, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1211, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1230, "(1)"
-	line 421, "pan.___", state 1260, "(1)"
-	line 425, "pan.___", state 1273, "(1)"
-	line 395, "pan.___", state 1298, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1330, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1344, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1363, "(1)"
-	line 421, "pan.___", state 1393, "(1)"
-	line 425, "pan.___", state 1406, "(1)"
-	line 395, "pan.___", state 1427, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1459, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1473, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1492, "(1)"
-	line 421, "pan.___", state 1522, "(1)"
-	line 425, "pan.___", state 1535, "(1)"
-	line 250, "pan.___", state 1558, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1580, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1589, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1605, "(1)"
-	line 231, "pan.___", state 1613, "(1)"
-	line 235, "pan.___", state 1625, "(1)"
-	line 239, "pan.___", state 1633, "(1)"
-	line 395, "pan.___", state 1651, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 1665, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1683, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1697, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1716, "(1)"
-	line 416, "pan.___", state 1729, "(1)"
-	line 421, "pan.___", state 1746, "(1)"
-	line 425, "pan.___", state 1759, "(1)"
-	line 395, "pan.___", state 1780, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 1794, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 1812, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1826, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1845, "(1)"
-	line 416, "pan.___", state 1858, "(1)"
-	line 421, "pan.___", state 1875, "(1)"
-	line 425, "pan.___", state 1888, "(1)"
-	line 395, "pan.___", state 1912, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 1928, "(1)"
-	line 404, "pan.___", state 1944, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 1958, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 1977, "(1)"
-	line 421, "pan.___", state 2007, "(1)"
-	line 425, "pan.___", state 2020, "(1)"
-	line 623, "pan.___", state 2041, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 395, "pan.___", state 2048, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2080, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2094, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2113, "(1)"
-	line 421, "pan.___", state 2143, "(1)"
-	line 425, "pan.___", state 2156, "(1)"
-	line 395, "pan.___", state 2177, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2209, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2223, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2242, "(1)"
-	line 421, "pan.___", state 2272, "(1)"
-	line 425, "pan.___", state 2285, "(1)"
-	line 395, "pan.___", state 2308, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 2310, "(1)"
-	line 395, "pan.___", state 2311, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 395, "pan.___", state 2311, "else"
-	line 395, "pan.___", state 2314, "(1)"
-	line 399, "pan.___", state 2322, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2324, "(1)"
-	line 399, "pan.___", state 2325, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 399, "pan.___", state 2325, "else"
-	line 399, "pan.___", state 2328, "(1)"
-	line 399, "pan.___", state 2329, "(1)"
-	line 399, "pan.___", state 2329, "(1)"
-	line 397, "pan.___", state 2334, "((i<1))"
-	line 397, "pan.___", state 2334, "((i>=1))"
-	line 404, "pan.___", state 2340, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2342, "(1)"
-	line 404, "pan.___", state 2343, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 404, "pan.___", state 2343, "else"
-	line 404, "pan.___", state 2346, "(1)"
-	line 404, "pan.___", state 2347, "(1)"
-	line 404, "pan.___", state 2347, "(1)"
-	line 408, "pan.___", state 2354, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2356, "(1)"
-	line 408, "pan.___", state 2357, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 408, "pan.___", state 2357, "else"
-	line 408, "pan.___", state 2360, "(1)"
-	line 408, "pan.___", state 2361, "(1)"
-	line 408, "pan.___", state 2361, "(1)"
-	line 406, "pan.___", state 2366, "((i<2))"
-	line 406, "pan.___", state 2366, "((i>=2))"
-	line 412, "pan.___", state 2373, "(1)"
-	line 412, "pan.___", state 2374, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 412, "pan.___", state 2374, "else"
-	line 412, "pan.___", state 2377, "(1)"
-	line 412, "pan.___", state 2378, "(1)"
-	line 412, "pan.___", state 2378, "(1)"
-	line 416, "pan.___", state 2386, "(1)"
-	line 416, "pan.___", state 2387, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 416, "pan.___", state 2387, "else"
-	line 416, "pan.___", state 2390, "(1)"
-	line 416, "pan.___", state 2391, "(1)"
-	line 416, "pan.___", state 2391, "(1)"
-	line 414, "pan.___", state 2396, "((i<1))"
-	line 414, "pan.___", state 2396, "((i>=1))"
-	line 421, "pan.___", state 2403, "(1)"
-	line 421, "pan.___", state 2404, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 421, "pan.___", state 2404, "else"
-	line 421, "pan.___", state 2407, "(1)"
-	line 421, "pan.___", state 2408, "(1)"
-	line 421, "pan.___", state 2408, "(1)"
-	line 425, "pan.___", state 2416, "(1)"
-	line 425, "pan.___", state 2417, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 425, "pan.___", state 2417, "else"
-	line 425, "pan.___", state 2420, "(1)"
-	line 425, "pan.___", state 2421, "(1)"
-	line 425, "pan.___", state 2421, "(1)"
-	line 423, "pan.___", state 2426, "((i<2))"
-	line 423, "pan.___", state 2426, "((i>=2))"
-	line 430, "pan.___", state 2430, "(1)"
-	line 430, "pan.___", state 2430, "(1)"
-	line 623, "pan.___", state 2433, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 623, "pan.___", state 2434, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 623, "pan.___", state 2435, "(1)"
-	line 250, "pan.___", state 2439, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 2450, "(1)"
-	line 258, "pan.___", state 2461, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 2470, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 2486, "(1)"
-	line 231, "pan.___", state 2494, "(1)"
-	line 235, "pan.___", state 2506, "(1)"
-	line 239, "pan.___", state 2514, "(1)"
-	line 395, "pan.___", state 2532, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2546, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2564, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2578, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2597, "(1)"
-	line 416, "pan.___", state 2610, "(1)"
-	line 421, "pan.___", state 2627, "(1)"
-	line 425, "pan.___", state 2640, "(1)"
-	line 250, "pan.___", state 2664, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 2673, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 2686, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 2695, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 2711, "(1)"
-	line 231, "pan.___", state 2719, "(1)"
-	line 235, "pan.___", state 2731, "(1)"
-	line 239, "pan.___", state 2739, "(1)"
-	line 395, "pan.___", state 2757, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2771, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2789, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2803, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2822, "(1)"
-	line 416, "pan.___", state 2835, "(1)"
-	line 421, "pan.___", state 2852, "(1)"
-	line 425, "pan.___", state 2865, "(1)"
-	line 395, "pan.___", state 2886, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 2900, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 2918, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 2932, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 2951, "(1)"
-	line 416, "pan.___", state 2964, "(1)"
-	line 421, "pan.___", state 2981, "(1)"
-	line 425, "pan.___", state 2994, "(1)"
-	line 227, "pan.___", state 3027, "(1)"
-	line 235, "pan.___", state 3047, "(1)"
-	line 239, "pan.___", state 3055, "(1)"
-	line 227, "pan.___", state 3070, "(1)"
-	line 231, "pan.___", state 3078, "(1)"
-	line 235, "pan.___", state 3090, "(1)"
-	line 239, "pan.___", state 3098, "(1)"
-	line 877, "pan.___", state 3115, "-end-"
-	(318 of 3115 states)
-unreached in proctype urcu_writer
-	line 395, "pan.___", state 18, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 32, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 50, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 83, "(1)"
-	line 416, "pan.___", state 96, "(1)"
-	line 421, "pan.___", state 113, "(1)"
-	line 250, "pan.___", state 149, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 158, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 171, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 395, "pan.___", state 211, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 399, "pan.___", state 225, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 243, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 257, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 412, "pan.___", state 276, "(1)"
-	line 416, "pan.___", state 289, "(1)"
-	line 421, "pan.___", state 306, "(1)"
-	line 425, "pan.___", state 319, "(1)"
-	line 399, "pan.___", state 356, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 374, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 388, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 420, "(1)"
-	line 421, "pan.___", state 437, "(1)"
-	line 425, "pan.___", state 450, "(1)"
-	line 399, "pan.___", state 494, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 512, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 526, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 558, "(1)"
-	line 421, "pan.___", state 575, "(1)"
-	line 425, "pan.___", state 588, "(1)"
-	line 399, "pan.___", state 623, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 641, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 655, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 687, "(1)"
-	line 421, "pan.___", state 704, "(1)"
-	line 425, "pan.___", state 717, "(1)"
-	line 399, "pan.___", state 754, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 404, "pan.___", state 772, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 408, "pan.___", state 786, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 416, "pan.___", state 818, "(1)"
-	line 421, "pan.___", state 835, "(1)"
-	line 425, "pan.___", state 848, "(1)"
-	line 250, "pan.___", state 903, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 254, "pan.___", state 912, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 927, "(1)"
-	line 262, "pan.___", state 934, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 950, "(1)"
-	line 231, "pan.___", state 958, "(1)"
-	line 235, "pan.___", state 970, "(1)"
-	line 239, "pan.___", state 978, "(1)"
-	line 254, "pan.___", state 1003, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1016, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1025, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1041, "(1)"
-	line 231, "pan.___", state 1049, "(1)"
-	line 235, "pan.___", state 1061, "(1)"
-	line 239, "pan.___", state 1069, "(1)"
-	line 254, "pan.___", state 1094, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1107, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1116, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1132, "(1)"
-	line 231, "pan.___", state 1140, "(1)"
-	line 235, "pan.___", state 1152, "(1)"
-	line 239, "pan.___", state 1160, "(1)"
-	line 254, "pan.___", state 1185, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 258, "pan.___", state 1198, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 262, "pan.___", state 1207, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 227, "pan.___", state 1223, "(1)"
-	line 231, "pan.___", state 1231, "(1)"
-	line 235, "pan.___", state 1243, "(1)"
-	line 239, "pan.___", state 1251, "(1)"
-	line 1204, "pan.___", state 1266, "-end-"
-	(71 of 1266 states)
-unreached in proctype :init:
-	(0 of 78 states)
-unreached in proctype :never:
-	line 1265, "pan.___", state 11, "-end-"
-	(1 of 11 states)
-
-pan: elapsed time 7.01e+03 seconds
-pan: rate 1149.3413 states/second
-pan: avg transition delay 1.3304e-06 usec
-cp .input.spin urcu_progress_writer.spin.input
-cp .input.spin.trail urcu_progress_writer.spin.input.trail
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_writer.spin.input b/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_writer.spin.input
deleted file mode 100644
index d9d698f..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_writer.spin.input
+++ /dev/null
@@ -1,1240 +0,0 @@
-#define WRITER_PROGRESS
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-//#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-//#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)
-//#else
-//#define PROGRESS_LABEL(progressid)
-//#endif
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_writer_error.define b/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_writer_error.define
deleted file mode 100644
index 8d304f5..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_writer_error.define
+++ /dev/null
@@ -1,2 +0,0 @@
-#define WRITER_PROGRESS
-#define GEN_ERROR_WRITER_PROGRESS
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_writer_error.log b/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_writer_error.log
deleted file mode 100644
index 99db2db..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_writer_error.log
+++ /dev/null
@@ -1,809 +0,0 @@
-rm -f pan* trail.out .input.spin* *.spin.trail .input.define
-touch .input.define
-cat .input.define > pan.ltl
-cat DEFINES >> pan.ltl
-spin -f "!(`cat urcu_progress.ltl | grep -v ^//`)" >> pan.ltl
-cp urcu_progress_writer_error.define .input.define
-cat .input.define > .input.spin
-cat DEFINES >> .input.spin
-cat urcu.spin >> .input.spin
-rm -f .input.spin.trail
-spin -a -X -N pan.ltl .input.spin
-Exit-Status 0
-gcc -O2 -w -DHASH64 -o pan pan.c
-./pan -a -f -v -c1 -X -m10000000 -w20
-warning: for p.o. reduction to be valid the never claim must be stutter-invariant
-(never claims generated from LTL formulae are stutter-invariant)
-depth 0: Claim reached state 5 (line 1259)
-depth 23: Claim reached state 9 (line 1264)
-depth 1481: Claim reached state 9 (line 1263)
-pan: acceptance cycle (at depth 7186)
-pan: wrote .input.spin.trail
-
-(Spin Version 5.1.7 -- 23 December 2008)
-Warning: Search not completed
-	+ Partial Order Reduction
-
-Full statespace search for:
-	never claim         	+
-	assertion violations	+ (if within scope of claim)
-	acceptance   cycles 	+ (fairness enabled)
-	invalid end states	- (disabled by never claim)
-
-State-vector 88 byte, depth reached 8718, errors: 1
-    25100 states, stored (77932 visited)
- 18210466 states, matched
- 18288398 transitions (= visited+matched)
-1.0440929e+08 atomic steps
-hash conflicts:    119465 (resolved)
-
-Stats on memory usage (in Megabytes):
-    2.777	equivalent memory usage for states (stored*(State-vector + overhead))
-    2.791	actual memory usage for states (unsuccessful compression: 100.52%)
-         	state-vector as stored = 89 byte + 28 byte overhead
-    8.000	memory used for hash table (-w20)
-  457.764	memory used for DFS stack (-m10000000)
-  468.498	total actual memory usage
-
-unreached in proctype urcu_reader
-	line 396, "pan.___", state 17, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 49, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 63, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 82, "(1)"
-	line 422, "pan.___", state 112, "(1)"
-	line 426, "pan.___", state 125, "(1)"
-	line 577, "pan.___", state 146, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<1))"
-	line 396, "pan.___", state 153, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 185, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 199, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 218, "(1)"
-	line 422, "pan.___", state 248, "(1)"
-	line 426, "pan.___", state 261, "(1)"
-	line 396, "pan.___", state 282, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 314, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 328, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 347, "(1)"
-	line 422, "pan.___", state 377, "(1)"
-	line 426, "pan.___", state 390, "(1)"
-	line 396, "pan.___", state 413, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 415, "(1)"
-	line 396, "pan.___", state 416, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 416, "else"
-	line 396, "pan.___", state 419, "(1)"
-	line 400, "pan.___", state 427, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 429, "(1)"
-	line 400, "pan.___", state 430, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 430, "else"
-	line 400, "pan.___", state 433, "(1)"
-	line 400, "pan.___", state 434, "(1)"
-	line 400, "pan.___", state 434, "(1)"
-	line 398, "pan.___", state 439, "((i<1))"
-	line 398, "pan.___", state 439, "((i>=1))"
-	line 405, "pan.___", state 445, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 447, "(1)"
-	line 405, "pan.___", state 448, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 448, "else"
-	line 405, "pan.___", state 451, "(1)"
-	line 405, "pan.___", state 452, "(1)"
-	line 405, "pan.___", state 452, "(1)"
-	line 409, "pan.___", state 459, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 461, "(1)"
-	line 409, "pan.___", state 462, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 409, "pan.___", state 462, "else"
-	line 409, "pan.___", state 465, "(1)"
-	line 409, "pan.___", state 466, "(1)"
-	line 409, "pan.___", state 466, "(1)"
-	line 407, "pan.___", state 471, "((i<2))"
-	line 407, "pan.___", state 471, "((i>=2))"
-	line 413, "pan.___", state 478, "(1)"
-	line 413, "pan.___", state 479, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 479, "else"
-	line 413, "pan.___", state 482, "(1)"
-	line 413, "pan.___", state 483, "(1)"
-	line 413, "pan.___", state 483, "(1)"
-	line 417, "pan.___", state 491, "(1)"
-	line 417, "pan.___", state 492, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 492, "else"
-	line 417, "pan.___", state 495, "(1)"
-	line 417, "pan.___", state 496, "(1)"
-	line 417, "pan.___", state 496, "(1)"
-	line 415, "pan.___", state 501, "((i<1))"
-	line 415, "pan.___", state 501, "((i>=1))"
-	line 422, "pan.___", state 508, "(1)"
-	line 422, "pan.___", state 509, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 422, "pan.___", state 509, "else"
-	line 422, "pan.___", state 512, "(1)"
-	line 422, "pan.___", state 513, "(1)"
-	line 422, "pan.___", state 513, "(1)"
-	line 426, "pan.___", state 521, "(1)"
-	line 426, "pan.___", state 522, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 426, "pan.___", state 522, "else"
-	line 426, "pan.___", state 525, "(1)"
-	line 426, "pan.___", state 526, "(1)"
-	line 426, "pan.___", state 526, "(1)"
-	line 424, "pan.___", state 531, "((i<2))"
-	line 424, "pan.___", state 531, "((i>=2))"
-	line 431, "pan.___", state 535, "(1)"
-	line 431, "pan.___", state 535, "(1)"
-	line 577, "pan.___", state 538, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 577, "pan.___", state 539, "_proc_urcu_reader = (_proc_urcu_reader|(1<<5))"
-	line 577, "pan.___", state 540, "(1)"
-	line 251, "pan.___", state 544, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 255, "pan.___", state 555, "(1)"
-	line 259, "pan.___", state 566, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 263, "pan.___", state 575, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 228, "pan.___", state 591, "(1)"
-	line 232, "pan.___", state 599, "(1)"
-	line 236, "pan.___", state 611, "(1)"
-	line 240, "pan.___", state 619, "(1)"
-	line 396, "pan.___", state 637, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 651, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 669, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 683, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 702, "(1)"
-	line 417, "pan.___", state 715, "(1)"
-	line 422, "pan.___", state 732, "(1)"
-	line 426, "pan.___", state 745, "(1)"
-	line 396, "pan.___", state 773, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 775, "(1)"
-	line 396, "pan.___", state 776, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 776, "else"
-	line 396, "pan.___", state 779, "(1)"
-	line 400, "pan.___", state 787, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 789, "(1)"
-	line 400, "pan.___", state 790, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 790, "else"
-	line 400, "pan.___", state 793, "(1)"
-	line 400, "pan.___", state 794, "(1)"
-	line 400, "pan.___", state 794, "(1)"
-	line 398, "pan.___", state 799, "((i<1))"
-	line 398, "pan.___", state 799, "((i>=1))"
-	line 405, "pan.___", state 805, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 807, "(1)"
-	line 405, "pan.___", state 808, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 808, "else"
-	line 405, "pan.___", state 811, "(1)"
-	line 405, "pan.___", state 812, "(1)"
-	line 405, "pan.___", state 812, "(1)"
-	line 409, "pan.___", state 819, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 821, "(1)"
-	line 409, "pan.___", state 822, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 409, "pan.___", state 822, "else"
-	line 409, "pan.___", state 825, "(1)"
-	line 409, "pan.___", state 826, "(1)"
-	line 409, "pan.___", state 826, "(1)"
-	line 407, "pan.___", state 831, "((i<2))"
-	line 407, "pan.___", state 831, "((i>=2))"
-	line 413, "pan.___", state 838, "(1)"
-	line 413, "pan.___", state 839, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 839, "else"
-	line 413, "pan.___", state 842, "(1)"
-	line 413, "pan.___", state 843, "(1)"
-	line 413, "pan.___", state 843, "(1)"
-	line 417, "pan.___", state 851, "(1)"
-	line 417, "pan.___", state 852, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 852, "else"
-	line 417, "pan.___", state 855, "(1)"
-	line 417, "pan.___", state 856, "(1)"
-	line 417, "pan.___", state 856, "(1)"
-	line 415, "pan.___", state 861, "((i<1))"
-	line 415, "pan.___", state 861, "((i>=1))"
-	line 422, "pan.___", state 868, "(1)"
-	line 422, "pan.___", state 869, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 422, "pan.___", state 869, "else"
-	line 422, "pan.___", state 872, "(1)"
-	line 422, "pan.___", state 873, "(1)"
-	line 422, "pan.___", state 873, "(1)"
-	line 426, "pan.___", state 881, "(1)"
-	line 426, "pan.___", state 882, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 426, "pan.___", state 882, "else"
-	line 426, "pan.___", state 885, "(1)"
-	line 426, "pan.___", state 886, "(1)"
-	line 426, "pan.___", state 886, "(1)"
-	line 431, "pan.___", state 895, "(1)"
-	line 431, "pan.___", state 895, "(1)"
-	line 396, "pan.___", state 902, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 904, "(1)"
-	line 396, "pan.___", state 905, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 905, "else"
-	line 396, "pan.___", state 908, "(1)"
-	line 400, "pan.___", state 916, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 918, "(1)"
-	line 400, "pan.___", state 919, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 919, "else"
-	line 400, "pan.___", state 922, "(1)"
-	line 400, "pan.___", state 923, "(1)"
-	line 400, "pan.___", state 923, "(1)"
-	line 398, "pan.___", state 928, "((i<1))"
-	line 398, "pan.___", state 928, "((i>=1))"
-	line 405, "pan.___", state 934, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 936, "(1)"
-	line 405, "pan.___", state 937, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 937, "else"
-	line 405, "pan.___", state 940, "(1)"
-	line 405, "pan.___", state 941, "(1)"
-	line 405, "pan.___", state 941, "(1)"
-	line 409, "pan.___", state 948, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 950, "(1)"
-	line 409, "pan.___", state 951, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 409, "pan.___", state 951, "else"
-	line 409, "pan.___", state 954, "(1)"
-	line 409, "pan.___", state 955, "(1)"
-	line 409, "pan.___", state 955, "(1)"
-	line 407, "pan.___", state 960, "((i<2))"
-	line 407, "pan.___", state 960, "((i>=2))"
-	line 413, "pan.___", state 967, "(1)"
-	line 413, "pan.___", state 968, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 968, "else"
-	line 413, "pan.___", state 971, "(1)"
-	line 413, "pan.___", state 972, "(1)"
-	line 413, "pan.___", state 972, "(1)"
-	line 417, "pan.___", state 980, "(1)"
-	line 417, "pan.___", state 981, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 981, "else"
-	line 417, "pan.___", state 984, "(1)"
-	line 417, "pan.___", state 985, "(1)"
-	line 417, "pan.___", state 985, "(1)"
-	line 415, "pan.___", state 990, "((i<1))"
-	line 415, "pan.___", state 990, "((i>=1))"
-	line 422, "pan.___", state 997, "(1)"
-	line 422, "pan.___", state 998, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 422, "pan.___", state 998, "else"
-	line 422, "pan.___", state 1001, "(1)"
-	line 422, "pan.___", state 1002, "(1)"
-	line 422, "pan.___", state 1002, "(1)"
-	line 426, "pan.___", state 1010, "(1)"
-	line 426, "pan.___", state 1011, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 426, "pan.___", state 1011, "else"
-	line 426, "pan.___", state 1014, "(1)"
-	line 426, "pan.___", state 1015, "(1)"
-	line 426, "pan.___", state 1015, "(1)"
-	line 424, "pan.___", state 1020, "((i<2))"
-	line 424, "pan.___", state 1020, "((i>=2))"
-	line 431, "pan.___", state 1024, "(1)"
-	line 431, "pan.___", state 1024, "(1)"
-	line 585, "pan.___", state 1028, "_proc_urcu_reader = (_proc_urcu_reader|(1<<11))"
-	line 396, "pan.___", state 1033, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1047, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 1065, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 1079, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 1098, "(1)"
-	line 417, "pan.___", state 1111, "(1)"
-	line 422, "pan.___", state 1128, "(1)"
-	line 426, "pan.___", state 1141, "(1)"
-	line 396, "pan.___", state 1165, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 1197, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 1211, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 1230, "(1)"
-	line 422, "pan.___", state 1260, "(1)"
-	line 426, "pan.___", state 1273, "(1)"
-	line 396, "pan.___", state 1298, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 1330, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 1344, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 1363, "(1)"
-	line 422, "pan.___", state 1393, "(1)"
-	line 426, "pan.___", state 1406, "(1)"
-	line 396, "pan.___", state 1427, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 1459, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 1473, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 1492, "(1)"
-	line 422, "pan.___", state 1522, "(1)"
-	line 426, "pan.___", state 1535, "(1)"
-	line 251, "pan.___", state 1558, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 259, "pan.___", state 1580, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 263, "pan.___", state 1589, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 228, "pan.___", state 1605, "(1)"
-	line 232, "pan.___", state 1613, "(1)"
-	line 236, "pan.___", state 1625, "(1)"
-	line 240, "pan.___", state 1633, "(1)"
-	line 396, "pan.___", state 1651, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1665, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 1683, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 1697, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 1716, "(1)"
-	line 417, "pan.___", state 1729, "(1)"
-	line 422, "pan.___", state 1746, "(1)"
-	line 426, "pan.___", state 1759, "(1)"
-	line 396, "pan.___", state 1780, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1794, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 1812, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 1826, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 1845, "(1)"
-	line 417, "pan.___", state 1858, "(1)"
-	line 422, "pan.___", state 1875, "(1)"
-	line 426, "pan.___", state 1888, "(1)"
-	line 396, "pan.___", state 1912, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1928, "(1)"
-	line 405, "pan.___", state 1944, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 1958, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 1977, "(1)"
-	line 422, "pan.___", state 2007, "(1)"
-	line 426, "pan.___", state 2020, "(1)"
-	line 624, "pan.___", state 2041, "_proc_urcu_reader = (_proc_urcu_reader|((1<<2)<<19))"
-	line 396, "pan.___", state 2048, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 2080, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 2094, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 2113, "(1)"
-	line 422, "pan.___", state 2143, "(1)"
-	line 426, "pan.___", state 2156, "(1)"
-	line 396, "pan.___", state 2177, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 2209, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 2223, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 2242, "(1)"
-	line 422, "pan.___", state 2272, "(1)"
-	line 426, "pan.___", state 2285, "(1)"
-	line 396, "pan.___", state 2308, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 2310, "(1)"
-	line 396, "pan.___", state 2311, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 2311, "else"
-	line 396, "pan.___", state 2314, "(1)"
-	line 400, "pan.___", state 2322, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2324, "(1)"
-	line 400, "pan.___", state 2325, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 2325, "else"
-	line 400, "pan.___", state 2328, "(1)"
-	line 400, "pan.___", state 2329, "(1)"
-	line 400, "pan.___", state 2329, "(1)"
-	line 398, "pan.___", state 2334, "((i<1))"
-	line 398, "pan.___", state 2334, "((i>=1))"
-	line 405, "pan.___", state 2340, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 2342, "(1)"
-	line 405, "pan.___", state 2343, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 2343, "else"
-	line 405, "pan.___", state 2346, "(1)"
-	line 405, "pan.___", state 2347, "(1)"
-	line 405, "pan.___", state 2347, "(1)"
-	line 409, "pan.___", state 2354, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 2356, "(1)"
-	line 409, "pan.___", state 2357, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 409, "pan.___", state 2357, "else"
-	line 409, "pan.___", state 2360, "(1)"
-	line 409, "pan.___", state 2361, "(1)"
-	line 409, "pan.___", state 2361, "(1)"
-	line 407, "pan.___", state 2366, "((i<2))"
-	line 407, "pan.___", state 2366, "((i>=2))"
-	line 413, "pan.___", state 2373, "(1)"
-	line 413, "pan.___", state 2374, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 2374, "else"
-	line 413, "pan.___", state 2377, "(1)"
-	line 413, "pan.___", state 2378, "(1)"
-	line 413, "pan.___", state 2378, "(1)"
-	line 417, "pan.___", state 2386, "(1)"
-	line 417, "pan.___", state 2387, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 2387, "else"
-	line 417, "pan.___", state 2390, "(1)"
-	line 417, "pan.___", state 2391, "(1)"
-	line 417, "pan.___", state 2391, "(1)"
-	line 415, "pan.___", state 2396, "((i<1))"
-	line 415, "pan.___", state 2396, "((i>=1))"
-	line 422, "pan.___", state 2403, "(1)"
-	line 422, "pan.___", state 2404, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 422, "pan.___", state 2404, "else"
-	line 422, "pan.___", state 2407, "(1)"
-	line 422, "pan.___", state 2408, "(1)"
-	line 422, "pan.___", state 2408, "(1)"
-	line 426, "pan.___", state 2416, "(1)"
-	line 426, "pan.___", state 2417, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 426, "pan.___", state 2417, "else"
-	line 426, "pan.___", state 2420, "(1)"
-	line 426, "pan.___", state 2421, "(1)"
-	line 426, "pan.___", state 2421, "(1)"
-	line 424, "pan.___", state 2426, "((i<2))"
-	line 424, "pan.___", state 2426, "((i>=2))"
-	line 431, "pan.___", state 2430, "(1)"
-	line 431, "pan.___", state 2430, "(1)"
-	line 624, "pan.___", state 2433, "cached_urcu_active_readers.val[_pid] = (tmp+1)"
-	line 624, "pan.___", state 2434, "_proc_urcu_reader = (_proc_urcu_reader|(1<<23))"
-	line 624, "pan.___", state 2435, "(1)"
-	line 251, "pan.___", state 2439, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 255, "pan.___", state 2450, "(1)"
-	line 259, "pan.___", state 2461, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 263, "pan.___", state 2470, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 228, "pan.___", state 2486, "(1)"
-	line 232, "pan.___", state 2494, "(1)"
-	line 236, "pan.___", state 2506, "(1)"
-	line 240, "pan.___", state 2514, "(1)"
-	line 396, "pan.___", state 2532, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2546, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 2564, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 2578, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 2597, "(1)"
-	line 417, "pan.___", state 2610, "(1)"
-	line 422, "pan.___", state 2627, "(1)"
-	line 426, "pan.___", state 2640, "(1)"
-	line 251, "pan.___", state 2664, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 255, "pan.___", state 2673, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 259, "pan.___", state 2686, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 263, "pan.___", state 2695, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 228, "pan.___", state 2711, "(1)"
-	line 232, "pan.___", state 2719, "(1)"
-	line 236, "pan.___", state 2731, "(1)"
-	line 240, "pan.___", state 2739, "(1)"
-	line 396, "pan.___", state 2757, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2771, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 2789, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 2803, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 2822, "(1)"
-	line 417, "pan.___", state 2835, "(1)"
-	line 422, "pan.___", state 2852, "(1)"
-	line 426, "pan.___", state 2865, "(1)"
-	line 396, "pan.___", state 2886, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 2900, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 2918, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 2932, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 2951, "(1)"
-	line 417, "pan.___", state 2964, "(1)"
-	line 422, "pan.___", state 2981, "(1)"
-	line 426, "pan.___", state 2994, "(1)"
-	line 228, "pan.___", state 3027, "(1)"
-	line 236, "pan.___", state 3047, "(1)"
-	line 240, "pan.___", state 3055, "(1)"
-	line 228, "pan.___", state 3070, "(1)"
-	line 232, "pan.___", state 3078, "(1)"
-	line 236, "pan.___", state 3090, "(1)"
-	line 240, "pan.___", state 3098, "(1)"
-	line 878, "pan.___", state 3115, "-end-"
-	(318 of 3115 states)
-unreached in proctype urcu_writer
-	line 396, "pan.___", state 18, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 24, "(1)"
-	line 400, "pan.___", state 32, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 38, "(1)"
-	line 400, "pan.___", state 39, "(1)"
-	line 400, "pan.___", state 39, "(1)"
-	line 398, "pan.___", state 44, "((i<1))"
-	line 398, "pan.___", state 44, "((i>=1))"
-	line 405, "pan.___", state 50, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 56, "(1)"
-	line 405, "pan.___", state 57, "(1)"
-	line 405, "pan.___", state 57, "(1)"
-	line 409, "pan.___", state 64, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 70, "(1)"
-	line 409, "pan.___", state 71, "(1)"
-	line 409, "pan.___", state 71, "(1)"
-	line 407, "pan.___", state 76, "((i<2))"
-	line 407, "pan.___", state 76, "((i>=2))"
-	line 413, "pan.___", state 83, "(1)"
-	line 413, "pan.___", state 84, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 84, "else"
-	line 413, "pan.___", state 87, "(1)"
-	line 413, "pan.___", state 88, "(1)"
-	line 413, "pan.___", state 88, "(1)"
-	line 417, "pan.___", state 96, "(1)"
-	line 417, "pan.___", state 97, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 97, "else"
-	line 417, "pan.___", state 100, "(1)"
-	line 417, "pan.___", state 101, "(1)"
-	line 417, "pan.___", state 101, "(1)"
-	line 415, "pan.___", state 106, "((i<1))"
-	line 415, "pan.___", state 106, "((i>=1))"
-	line 422, "pan.___", state 113, "(1)"
-	line 422, "pan.___", state 114, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 422, "pan.___", state 114, "else"
-	line 422, "pan.___", state 117, "(1)"
-	line 422, "pan.___", state 118, "(1)"
-	line 422, "pan.___", state 118, "(1)"
-	line 426, "pan.___", state 126, "(1)"
-	line 426, "pan.___", state 127, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 426, "pan.___", state 127, "else"
-	line 426, "pan.___", state 130, "(1)"
-	line 426, "pan.___", state 131, "(1)"
-	line 426, "pan.___", state 131, "(1)"
-	line 424, "pan.___", state 136, "((i<2))"
-	line 424, "pan.___", state 136, "((i>=2))"
-	line 431, "pan.___", state 140, "(1)"
-	line 431, "pan.___", state 140, "(1)"
-	line 251, "pan.___", state 149, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 255, "pan.___", state 158, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 253, "pan.___", state 166, "((i<1))"
-	line 253, "pan.___", state 166, "((i>=1))"
-	line 259, "pan.___", state 171, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 1001, "pan.___", state 199, "old_data = cached_rcu_ptr.val[_pid]"
-	line 396, "pan.___", state 211, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 217, "(1)"
-	line 400, "pan.___", state 225, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 231, "(1)"
-	line 400, "pan.___", state 232, "(1)"
-	line 400, "pan.___", state 232, "(1)"
-	line 398, "pan.___", state 237, "((i<1))"
-	line 398, "pan.___", state 237, "((i>=1))"
-	line 405, "pan.___", state 243, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 249, "(1)"
-	line 405, "pan.___", state 250, "(1)"
-	line 405, "pan.___", state 250, "(1)"
-	line 409, "pan.___", state 257, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 263, "(1)"
-	line 409, "pan.___", state 264, "(1)"
-	line 409, "pan.___", state 264, "(1)"
-	line 407, "pan.___", state 269, "((i<2))"
-	line 407, "pan.___", state 269, "((i>=2))"
-	line 413, "pan.___", state 276, "(1)"
-	line 413, "pan.___", state 277, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 277, "else"
-	line 413, "pan.___", state 280, "(1)"
-	line 413, "pan.___", state 281, "(1)"
-	line 413, "pan.___", state 281, "(1)"
-	line 417, "pan.___", state 289, "(1)"
-	line 417, "pan.___", state 290, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 290, "else"
-	line 417, "pan.___", state 293, "(1)"
-	line 417, "pan.___", state 294, "(1)"
-	line 417, "pan.___", state 294, "(1)"
-	line 415, "pan.___", state 299, "((i<1))"
-	line 415, "pan.___", state 299, "((i>=1))"
-	line 422, "pan.___", state 306, "(1)"
-	line 422, "pan.___", state 307, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 422, "pan.___", state 307, "else"
-	line 422, "pan.___", state 310, "(1)"
-	line 422, "pan.___", state 311, "(1)"
-	line 422, "pan.___", state 311, "(1)"
-	line 426, "pan.___", state 319, "(1)"
-	line 426, "pan.___", state 320, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 426, "pan.___", state 320, "else"
-	line 426, "pan.___", state 323, "(1)"
-	line 426, "pan.___", state 324, "(1)"
-	line 426, "pan.___", state 324, "(1)"
-	line 424, "pan.___", state 329, "((i<2))"
-	line 424, "pan.___", state 329, "((i>=2))"
-	line 431, "pan.___", state 333, "(1)"
-	line 431, "pan.___", state 333, "(1)"
-	line 396, "pan.___", state 344, "(1)"
-	line 396, "pan.___", state 345, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 345, "else"
-	line 396, "pan.___", state 348, "(1)"
-	line 400, "pan.___", state 356, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 362, "(1)"
-	line 400, "pan.___", state 363, "(1)"
-	line 400, "pan.___", state 363, "(1)"
-	line 398, "pan.___", state 368, "((i<1))"
-	line 398, "pan.___", state 368, "((i>=1))"
-	line 405, "pan.___", state 374, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 380, "(1)"
-	line 405, "pan.___", state 381, "(1)"
-	line 405, "pan.___", state 381, "(1)"
-	line 409, "pan.___", state 388, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 394, "(1)"
-	line 409, "pan.___", state 395, "(1)"
-	line 409, "pan.___", state 395, "(1)"
-	line 407, "pan.___", state 400, "((i<2))"
-	line 407, "pan.___", state 400, "((i>=2))"
-	line 413, "pan.___", state 407, "(1)"
-	line 413, "pan.___", state 408, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 408, "else"
-	line 413, "pan.___", state 411, "(1)"
-	line 413, "pan.___", state 412, "(1)"
-	line 413, "pan.___", state 412, "(1)"
-	line 417, "pan.___", state 420, "(1)"
-	line 417, "pan.___", state 421, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 421, "else"
-	line 417, "pan.___", state 424, "(1)"
-	line 417, "pan.___", state 425, "(1)"
-	line 417, "pan.___", state 425, "(1)"
-	line 415, "pan.___", state 430, "((i<1))"
-	line 415, "pan.___", state 430, "((i>=1))"
-	line 422, "pan.___", state 437, "(1)"
-	line 422, "pan.___", state 438, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 422, "pan.___", state 438, "else"
-	line 422, "pan.___", state 441, "(1)"
-	line 422, "pan.___", state 442, "(1)"
-	line 422, "pan.___", state 442, "(1)"
-	line 426, "pan.___", state 450, "(1)"
-	line 426, "pan.___", state 451, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 426, "pan.___", state 451, "else"
-	line 426, "pan.___", state 454, "(1)"
-	line 426, "pan.___", state 455, "(1)"
-	line 426, "pan.___", state 455, "(1)"
-	line 424, "pan.___", state 460, "((i<2))"
-	line 424, "pan.___", state 460, "((i>=2))"
-	line 431, "pan.___", state 464, "(1)"
-	line 431, "pan.___", state 464, "(1)"
-	line 396, "pan.___", state 477, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 479, "(1)"
-	line 396, "pan.___", state 480, "((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid)))"
-	line 396, "pan.___", state 480, "else"
-	line 396, "pan.___", state 483, "(1)"
-	line 400, "pan.___", state 491, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 493, "(1)"
-	line 400, "pan.___", state 494, "((cache_dirty_urcu_active_readers.bitfield&(1<<_pid)))"
-	line 400, "pan.___", state 494, "else"
-	line 400, "pan.___", state 497, "(1)"
-	line 400, "pan.___", state 498, "(1)"
-	line 400, "pan.___", state 498, "(1)"
-	line 398, "pan.___", state 503, "((i<1))"
-	line 398, "pan.___", state 503, "((i>=1))"
-	line 405, "pan.___", state 509, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 511, "(1)"
-	line 405, "pan.___", state 512, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 405, "pan.___", state 512, "else"
-	line 405, "pan.___", state 515, "(1)"
-	line 405, "pan.___", state 516, "(1)"
-	line 405, "pan.___", state 516, "(1)"
-	line 409, "pan.___", state 523, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 525, "(1)"
-	line 409, "pan.___", state 526, "((cache_dirty_rcu_data[i].bitfield&(1<<_pid)))"
-	line 409, "pan.___", state 526, "else"
-	line 409, "pan.___", state 529, "(1)"
-	line 409, "pan.___", state 530, "(1)"
-	line 409, "pan.___", state 530, "(1)"
-	line 407, "pan.___", state 535, "((i<2))"
-	line 407, "pan.___", state 535, "((i>=2))"
-	line 413, "pan.___", state 542, "(1)"
-	line 413, "pan.___", state 543, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 543, "else"
-	line 413, "pan.___", state 546, "(1)"
-	line 413, "pan.___", state 547, "(1)"
-	line 413, "pan.___", state 547, "(1)"
-	line 417, "pan.___", state 555, "(1)"
-	line 417, "pan.___", state 556, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 556, "else"
-	line 417, "pan.___", state 559, "(1)"
-	line 417, "pan.___", state 560, "(1)"
-	line 417, "pan.___", state 560, "(1)"
-	line 415, "pan.___", state 565, "((i<1))"
-	line 415, "pan.___", state 565, "((i>=1))"
-	line 422, "pan.___", state 572, "(1)"
-	line 422, "pan.___", state 573, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 422, "pan.___", state 573, "else"
-	line 422, "pan.___", state 576, "(1)"
-	line 422, "pan.___", state 577, "(1)"
-	line 422, "pan.___", state 577, "(1)"
-	line 426, "pan.___", state 585, "(1)"
-	line 426, "pan.___", state 586, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 426, "pan.___", state 586, "else"
-	line 426, "pan.___", state 589, "(1)"
-	line 426, "pan.___", state 590, "(1)"
-	line 426, "pan.___", state 590, "(1)"
-	line 431, "pan.___", state 599, "(1)"
-	line 431, "pan.___", state 599, "(1)"
-	line 396, "pan.___", state 605, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 611, "(1)"
-	line 400, "pan.___", state 619, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 625, "(1)"
-	line 400, "pan.___", state 626, "(1)"
-	line 400, "pan.___", state 626, "(1)"
-	line 398, "pan.___", state 631, "((i<1))"
-	line 398, "pan.___", state 631, "((i>=1))"
-	line 405, "pan.___", state 637, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 643, "(1)"
-	line 405, "pan.___", state 644, "(1)"
-	line 405, "pan.___", state 644, "(1)"
-	line 409, "pan.___", state 651, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 657, "(1)"
-	line 409, "pan.___", state 658, "(1)"
-	line 409, "pan.___", state 658, "(1)"
-	line 407, "pan.___", state 663, "((i<2))"
-	line 407, "pan.___", state 663, "((i>=2))"
-	line 413, "pan.___", state 670, "(1)"
-	line 413, "pan.___", state 671, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 671, "else"
-	line 413, "pan.___", state 674, "(1)"
-	line 413, "pan.___", state 675, "(1)"
-	line 413, "pan.___", state 675, "(1)"
-	line 417, "pan.___", state 683, "(1)"
-	line 417, "pan.___", state 684, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 684, "else"
-	line 417, "pan.___", state 687, "(1)"
-	line 417, "pan.___", state 688, "(1)"
-	line 417, "pan.___", state 688, "(1)"
-	line 415, "pan.___", state 693, "((i<1))"
-	line 415, "pan.___", state 693, "((i>=1))"
-	line 422, "pan.___", state 700, "(1)"
-	line 422, "pan.___", state 701, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 422, "pan.___", state 701, "else"
-	line 422, "pan.___", state 704, "(1)"
-	line 422, "pan.___", state 705, "(1)"
-	line 422, "pan.___", state 705, "(1)"
-	line 426, "pan.___", state 713, "(1)"
-	line 426, "pan.___", state 714, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 426, "pan.___", state 714, "else"
-	line 426, "pan.___", state 717, "(1)"
-	line 426, "pan.___", state 718, "(1)"
-	line 426, "pan.___", state 718, "(1)"
-	line 431, "pan.___", state 727, "(1)"
-	line 431, "pan.___", state 727, "(1)"
-	line 396, "pan.___", state 734, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 396, "pan.___", state 740, "(1)"
-	line 400, "pan.___", state 748, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 754, "(1)"
-	line 400, "pan.___", state 755, "(1)"
-	line 400, "pan.___", state 755, "(1)"
-	line 398, "pan.___", state 760, "((i<1))"
-	line 398, "pan.___", state 760, "((i>=1))"
-	line 405, "pan.___", state 766, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 772, "(1)"
-	line 405, "pan.___", state 773, "(1)"
-	line 405, "pan.___", state 773, "(1)"
-	line 409, "pan.___", state 780, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 786, "(1)"
-	line 409, "pan.___", state 787, "(1)"
-	line 409, "pan.___", state 787, "(1)"
-	line 407, "pan.___", state 792, "((i<2))"
-	line 407, "pan.___", state 792, "((i>=2))"
-	line 413, "pan.___", state 799, "(1)"
-	line 413, "pan.___", state 800, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 413, "pan.___", state 800, "else"
-	line 413, "pan.___", state 803, "(1)"
-	line 413, "pan.___", state 804, "(1)"
-	line 413, "pan.___", state 804, "(1)"
-	line 417, "pan.___", state 812, "(1)"
-	line 417, "pan.___", state 813, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 417, "pan.___", state 813, "else"
-	line 417, "pan.___", state 816, "(1)"
-	line 417, "pan.___", state 817, "(1)"
-	line 417, "pan.___", state 817, "(1)"
-	line 415, "pan.___", state 822, "((i<1))"
-	line 415, "pan.___", state 822, "((i>=1))"
-	line 422, "pan.___", state 829, "(1)"
-	line 422, "pan.___", state 830, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 422, "pan.___", state 830, "else"
-	line 422, "pan.___", state 833, "(1)"
-	line 422, "pan.___", state 834, "(1)"
-	line 422, "pan.___", state 834, "(1)"
-	line 426, "pan.___", state 842, "(1)"
-	line 426, "pan.___", state 843, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 426, "pan.___", state 843, "else"
-	line 426, "pan.___", state 846, "(1)"
-	line 426, "pan.___", state 847, "(1)"
-	line 426, "pan.___", state 847, "(1)"
-	line 424, "pan.___", state 852, "((i<2))"
-	line 424, "pan.___", state 852, "((i>=2))"
-	line 431, "pan.___", state 856, "(1)"
-	line 431, "pan.___", state 856, "(1)"
-	line 400, "pan.___", state 879, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 897, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 911, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 417, "pan.___", state 943, "(1)"
-	line 422, "pan.___", state 960, "(1)"
-	line 426, "pan.___", state 973, "(1)"
-	line 396, "pan.___", state 999, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 400, "pan.___", state 1013, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 405, "pan.___", state 1031, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 409, "pan.___", state 1045, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 413, "pan.___", state 1064, "(1)"
-	line 417, "pan.___", state 1077, "(1)"
-	line 422, "pan.___", state 1094, "(1)"
-	line 426, "pan.___", state 1107, "(1)"
-	line 251, "pan.___", state 1153, "cache_dirty_urcu_gp_ctr.bitfield = (cache_dirty_urcu_gp_ctr.bitfield&~((1<<_pid)))"
-	line 255, "pan.___", state 1162, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 253, "pan.___", state 1170, "((i<1))"
-	line 253, "pan.___", state 1170, "((i>=1))"
-	line 259, "pan.___", state 1177, "(1)"
-	line 259, "pan.___", state 1178, "((cache_dirty_rcu_ptr.bitfield&(1<<_pid)))"
-	line 259, "pan.___", state 1178, "else"
-	line 263, "pan.___", state 1184, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 261, "pan.___", state 1192, "((i<2))"
-	line 261, "pan.___", state 1192, "((i>=2))"
-	line 228, "pan.___", state 1200, "(1)"
-	line 232, "pan.___", state 1208, "(1)"
-	line 232, "pan.___", state 1209, "(!((cache_dirty_urcu_active_readers.bitfield&(1<<_pid))))"
-	line 232, "pan.___", state 1209, "else"
-	line 230, "pan.___", state 1214, "((i<1))"
-	line 230, "pan.___", state 1214, "((i>=1))"
-	line 236, "pan.___", state 1220, "(1)"
-	line 236, "pan.___", state 1221, "(!((cache_dirty_rcu_ptr.bitfield&(1<<_pid))))"
-	line 236, "pan.___", state 1221, "else"
-	line 240, "pan.___", state 1228, "(1)"
-	line 240, "pan.___", state 1229, "(!((cache_dirty_rcu_data[i].bitfield&(1<<_pid))))"
-	line 240, "pan.___", state 1229, "else"
-	line 245, "pan.___", state 1238, "(!((cache_dirty_urcu_gp_ctr.bitfield&(1<<_pid))))"
-	line 245, "pan.___", state 1238, "else"
-	line 255, "pan.___", state 1253, "cache_dirty_urcu_active_readers.bitfield = (cache_dirty_urcu_active_readers.bitfield&~((1<<_pid)))"
-	line 259, "pan.___", state 1266, "cache_dirty_rcu_ptr.bitfield = (cache_dirty_rcu_ptr.bitfield&~((1<<_pid)))"
-	line 263, "pan.___", state 1275, "cache_dirty_rcu_data[i].bitfield = (cache_dirty_rcu_data[i].bitfield&~((1<<_pid)))"
-	line 228, "pan.___", state 1291, "(1)"
-	line 232, "pan.___", state 1299, "(1)"
-	line 236, "pan.___", state 1311, "(1)"
-	line 240, "pan.___", state 1319, "(1)"
-	line 1205, "pan.___", state 1334, "-end-"
-	(242 of 1334 states)
-unreached in proctype :init:
-	(0 of 78 states)
-unreached in proctype :never:
-	line 1266, "pan.___", state 11, "-end-"
-	(1 of 11 states)
-
-pan: elapsed time 24.3 seconds
-pan: rate 3201.8077 states/second
-pan: avg transition delay 1.3309e-06 usec
-cp .input.spin urcu_progress_writer_error.spin.input
-cp .input.spin.trail urcu_progress_writer_error.spin.input.trail
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_writer_error.spin.input b/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_writer_error.spin.input
deleted file mode 100644
index ea022e9..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_writer_error.spin.input
+++ /dev/null
@@ -1,1241 +0,0 @@
-#define WRITER_PROGRESS
-#define GEN_ERROR_WRITER_PROGRESS
-
-// Poison value for freed memory
-#define POISON 1
-// Memory with correct data
-#define WINE 0
-#define SLAB_SIZE 2
-
-#define read_poison	(data_read_first[0] == POISON || data_read_second[0] == POISON)
-
-#define RCU_GP_CTR_BIT (1 << 7)
-#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)
-
-//disabled
-//#define REMOTE_BARRIERS
-/*
- * mem.spin: Promela code to validate memory barriers with OOO memory
- * and out-of-order instruction scheduling.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (c) 2009 Mathieu Desnoyers
- */
-
-/* Promela validation variables. */
-
-/* specific defines "included" here */
-/* DEFINES file "included" here */
-
-#define NR_READERS 1
-#define NR_WRITERS 1
-
-#define NR_PROCS 2
-
-#define get_pid()	(_pid)
-
-#define get_readerid()	(get_pid())
-
-/*
- * Produced process control and data flow. Updated after each instruction to
- * show which variables are ready. Using one-hot bit encoding per variable to
- * save state space. Used as triggers to execute the instructions having those
- * variables as input. Leaving bits active to inhibit instruction execution.
- * Scheme used to make instruction disabling and automatic dependency fall-back
- * automatic.
- */
-
-#define CONSUME_TOKENS(state, bits, notbits)			\
-	((!(state & (notbits))) && (state & (bits)) == (bits))
-
-#define PRODUCE_TOKENS(state, bits)				\
-	state = state | (bits);
-
-#define CLEAR_TOKENS(state, bits)				\
-	state = state & ~(bits)
-
-/*
- * Types of dependency :
- *
- * Data dependency
- *
- * - True dependency, Read-after-Write (RAW)
- *
- * This type of dependency happens when a statement depends on the result of a
- * previous statement. This applies to any statement which needs to read a
- * variable written by a preceding statement.
- *
- * - False dependency, Write-after-Read (WAR)
- *
- * Typically, variable renaming can ensure that this dependency goes away.
- * However, if the statements must read and then write from/to the same variable
- * in the OOO memory model, renaming may be impossible, and therefore this
- * causes a WAR dependency.
- *
- * - Output dependency, Write-after-Write (WAW)
- *
- * Two writes to the same variable in subsequent statements. Variable renaming
- * can ensure this is not needed, but can be required when writing multiple
- * times to the same OOO mem model variable.
- *
- * Control dependency
- *
- * Execution of a given instruction depends on a previous instruction evaluating
- * in a way that allows its execution. E.g. : branches.
- *
- * Useful considerations for joining dependencies after branch
- *
- * - Pre-dominance
- *
- * "We say box i dominates box j if every path (leading from input to output
- * through the diagram) which passes through box j must also pass through box
- * i. Thus box i dominates box j if box j is subordinate to box i in the
- * program."
- *
- * http://www.hipersoft.rice.edu/grads/publications/dom14.pdf
- * Other classic algorithm to calculate dominance : Lengauer-Tarjan (in gcc)
- *
- * - Post-dominance
- *
- * Just as pre-dominance, but with arcs of the data flow inverted, and input vs
- * output exchanged. Therefore, i post-dominating j ensures that every path
- * passing by j will pass by i before reaching the output.
- *
- * Other considerations
- *
- * Note about "volatile" keyword dependency : The compiler will order volatile
- * accesses so they appear in the right order on a given CPU. They can be
- * reordered by the CPU instruction scheduling. This therefore cannot be
- * considered as a depencency.
- *
- * References :
- *
- * Cooper, Keith D.; & Torczon, Linda. (2005). Engineering a Compiler. Morgan
- * Kaufmann. ISBN 1-55860-698-X. 
- * Kennedy, Ken; & Allen, Randy. (2001). Optimizing Compilers for Modern
- * Architectures: A Dependence-based Approach. Morgan Kaufmann. ISBN
- * 1-55860-286-0. 
- * Muchnick, Steven S. (1997). Advanced Compiler Design and Implementation.
- * Morgan Kaufmann. ISBN 1-55860-320-4.
- */
-
-/*
- * Note about loops and nested calls
- *
- * To keep this model simple, loops expressed in the framework will behave as if
- * there was a core synchronizing instruction between loops. To see the effect
- * of loop unrolling, manually unrolling loops is required. Note that if loops
- * end or start with a core synchronizing instruction, the model is appropriate.
- * Nested calls are not supported.
- */
-
-/*
- * Each process have its own data in cache. Caches are randomly updated.
- * smp_wmb and smp_rmb forces cache updates (write and read), smp_mb forces
- * both.
- */
-
-typedef per_proc_byte {
-	byte val[NR_PROCS];
-};
-
-typedef per_proc_bit {
-	bit val[NR_PROCS];
-};
-
-/* Bitfield has a maximum of 8 procs */
-typedef per_proc_bitfield {
-	byte bitfield;
-};
-
-#define DECLARE_CACHED_VAR(type, x)	\
-	type mem_##x;			\
-	per_proc_##type cached_##x;	\
-	per_proc_bitfield cache_dirty_##x;
-
-#define INIT_CACHED_VAR(x, v, j)	\
-	mem_##x = v;			\
-	cache_dirty_##x.bitfield = 0;	\
-	j = 0;				\
-	do				\
-	:: j < NR_PROCS ->		\
-		cached_##x.val[j] = v;	\
-		j++			\
-	:: j >= NR_PROCS -> break	\
-	od;
-
-#define IS_CACHE_DIRTY(x, id)	(cache_dirty_##x.bitfield & (1 << id))
-
-#define READ_CACHED_VAR(x)	(cached_##x.val[get_pid()])
-
-#define WRITE_CACHED_VAR(x, v)				\
-	atomic {					\
-		cached_##x.val[get_pid()] = v;		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield | (1 << get_pid());	\
-	}
-
-#define CACHE_WRITE_TO_MEM(x, id)			\
-	if						\
-	:: IS_CACHE_DIRTY(x, id) ->			\
-		mem_##x = cached_##x.val[id];		\
-		cache_dirty_##x.bitfield =		\
-			cache_dirty_##x.bitfield & (~(1 << id));	\
-	:: else ->					\
-		skip					\
-	fi;
-
-#define CACHE_READ_FROM_MEM(x, id)	\
-	if				\
-	:: !IS_CACHE_DIRTY(x, id) ->	\
-		cached_##x.val[id] = mem_##x;\
-	:: else ->			\
-		skip			\
-	fi;
-
-/*
- * May update other caches if cache is dirty, or not.
- */
-#define RANDOM_CACHE_WRITE_TO_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_WRITE_TO_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-#define RANDOM_CACHE_READ_FROM_MEM(x, id)\
-	if				\
-	:: 1 -> CACHE_READ_FROM_MEM(x, id);	\
-	:: 1 -> skip			\
-	fi;
-
-/* Must consume all prior read tokens. All subsequent reads depend on it. */
-inline smp_rmb(i, j)
-{
-	atomic {
-		CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_READ_FROM_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Must consume all prior write tokens. All subsequent writes depend on it. */
-inline smp_wmb(i, j)
-{
-	atomic {
-		CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			CACHE_WRITE_TO_MEM(urcu_active_readers[i], get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/* Synchronization point. Must consume all prior read and write tokens. All
- * subsequent reads and writes depend on it. */
-inline smp_mb(i, j)
-{
-	atomic {
-		smp_wmb(i, j);
-		smp_rmb(i, j);
-	}
-}
-
-#ifdef REMOTE_BARRIERS
-
-bit reader_barrier[NR_READERS];
-
-/*
- * We cannot leave the barriers dependencies in place in REMOTE_BARRIERS mode
- * because they would add unexisting core synchronization and would therefore
- * create an incomplete model.
- * Therefore, we model the read-side memory barriers by completely disabling the
- * memory barriers and their dependencies from the read-side. One at a time
- * (different verification runs), we make a different instruction listen for
- * signals.
- */
-
-#define smp_mb_reader(i, j)
-
-/*
- * Service 0, 1 or many barrier requests.
- */
-inline smp_mb_recv(i, j)
-{
-	do
-	:: (reader_barrier[get_readerid()] == 1) ->
-		/*
-		 * We choose to ignore cycles caused by writer busy-looping,
-		 * waiting for the reader, sending barrier requests, and the
-		 * reader always services them without continuing execution.
-		 */
-progress_ignoring_mb1:
-		smp_mb(i, j);
-		reader_barrier[get_readerid()] = 0;
-	:: 1 ->
-		/*
-		 * We choose to ignore writer's non-progress caused by the
-		 * reader ignoring the writer's mb() requests.
-		 */
-progress_ignoring_mb2:
-		break;
-	od;
-}
-
-//#ifdef WRITER_PROGRESS
-//#define PROGRESS_LABEL(progressid)
-//#else
-//#define PROGRESS_LABEL(progressid)
-//#endif
-
-#define PROGRESS_LABEL(progressid)	progress_writer_progid_##progressid:
-
-#define smp_mb_send(i, j, progressid)						\
-{										\
-	smp_mb(i, j);								\
-	i = 0;									\
-	do									\
-	:: i < NR_READERS ->							\
-		reader_barrier[i] = 1;						\
-		/*								\
-		 * Busy-looping waiting for reader barrier handling is of little\
-		 * interest, given the reader has the ability to totally ignore	\
-		 * barrier requests.						\
-		 */								\
-		do								\
-		:: (reader_barrier[i] == 1) ->					\
-PROGRESS_LABEL(progressid)							\
-			skip;							\
-		:: (reader_barrier[i] == 0) -> break;				\
-		od;								\
-		i++;								\
-	:: i >= NR_READERS ->							\
-		break								\
-	od;									\
-	smp_mb(i, j);								\
-}
-
-#else
-
-#define smp_mb_send(i, j, progressid)	smp_mb(i, j)
-#define smp_mb_reader	smp_mb
-#define smp_mb_recv(i, j)
-
-#endif
-
-/* Keep in sync manually with smp_rmb, smp_wmb, ooo_mem and init() */
-DECLARE_CACHED_VAR(byte, urcu_gp_ctr);
-/* Note ! currently only one reader */
-DECLARE_CACHED_VAR(byte, urcu_active_readers[NR_READERS]);
-/* RCU data */
-DECLARE_CACHED_VAR(bit, rcu_data[SLAB_SIZE]);
-
-/* RCU pointer */
-#if (SLAB_SIZE == 2)
-DECLARE_CACHED_VAR(bit, rcu_ptr);
-bit ptr_read_first[NR_READERS];
-bit ptr_read_second[NR_READERS];
-#else
-DECLARE_CACHED_VAR(byte, rcu_ptr);
-byte ptr_read_first[NR_READERS];
-byte ptr_read_second[NR_READERS];
-#endif
-
-bit data_read_first[NR_READERS];
-bit data_read_second[NR_READERS];
-
-bit init_done = 0;
-
-inline wait_init_done()
-{
-	do
-	:: init_done == 0 -> skip;
-	:: else -> break;
-	od;
-}
-
-inline ooo_mem(i)
-{
-	atomic {
-		RANDOM_CACHE_WRITE_TO_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_WRITE_TO_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_WRITE_TO_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_WRITE_TO_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(urcu_gp_ctr, get_pid());
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			RANDOM_CACHE_READ_FROM_MEM(urcu_active_readers[i],
-				get_pid());
-			i++
-		:: i >= NR_READERS -> break
-		od;
-		RANDOM_CACHE_READ_FROM_MEM(rcu_ptr, get_pid());
-		i = 0;
-		do
-		:: i < SLAB_SIZE ->
-			RANDOM_CACHE_READ_FROM_MEM(rcu_data[i], get_pid());
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-	}
-}
-
-/*
- * Bit encoding, urcu_reader :
- */
-
-int _proc_urcu_reader;
-#define proc_urcu_reader	_proc_urcu_reader
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROD_A_READ		(1 << 0)
-#define READ_PROD_B_IF_TRUE		(1 << 1)
-#define READ_PROD_B_IF_FALSE		(1 << 2)
-#define READ_PROD_C_IF_TRUE_READ	(1 << 3)
-
-#define PROCEDURE_READ_LOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader, consumetoken, READ_PROD_A_READ << base) ->	\
-		ooo_mem(i);								\
-		tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_A_READ << base);		\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  READ_PROD_A_READ << base,		/* RAW, pre-dominant */	\
-			  (READ_PROD_B_IF_TRUE | READ_PROD_B_IF_FALSE) << base) ->	\
-		if									\
-		:: (!(tmp & RCU_GP_CTR_NEST_MASK)) ->					\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base);	\
-		:: else ->								\
-			PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_B_IF_FALSE << base);	\
-		fi;									\
-	/* IF TRUE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_B_IF_TRUE << base,		\
-			  READ_PROD_C_IF_TRUE_READ << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_gp_ctr);					\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_C_IF_TRUE_READ << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_C_IF_TRUE_READ	/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2);		\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ELSE */									\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  (READ_PROD_B_IF_FALSE		/* pre-dominant */		\
-			  | READ_PROD_A_READ) << base,		/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()],			\
-				 tmp + 1);						\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-							/* IF_MERGE implies		\
-							 * post-dominance */		\
-	/* ENDIF */									\
-	skip
-
-/* Body of PROCEDURE_READ_LOCK */
-#define READ_PROC_READ_UNLOCK		(1 << 0)
-
-#define PROCEDURE_READ_UNLOCK(base, consumetoken, producetoken)				\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken,							\
-			  READ_PROC_READ_UNLOCK << base) ->				\
-		ooo_mem(i);								\
-		tmp2 = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);		\
-		PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_UNLOCK << base);	\
-	:: CONSUME_TOKENS(proc_urcu_reader,						\
-			  consumetoken							\
-			  | (READ_PROC_READ_UNLOCK << base),	/* WAR */		\
-			  producetoken) ->						\
-		ooo_mem(i);								\
-		WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1);	\
-		PRODUCE_TOKENS(proc_urcu_reader, producetoken);				\
-	skip
-
-
-#define READ_PROD_NONE			(1 << 0)
-
-/* PROCEDURE_READ_LOCK base = << 1 : 1 to 5 */
-#define READ_LOCK_BASE			1
-#define READ_LOCK_OUT			(1 << 5)
-
-#define READ_PROC_FIRST_MB		(1 << 6)
-
-/* PROCEDURE_READ_LOCK (NESTED) base : << 7 : 7 to 11 */
-#define READ_LOCK_NESTED_BASE		7
-#define READ_LOCK_NESTED_OUT		(1 << 11)
-
-#define READ_PROC_READ_GEN		(1 << 12)
-#define READ_PROC_ACCESS_GEN		(1 << 13)
-
-/* PROCEDURE_READ_UNLOCK (NESTED) base = << 14 : 14 to 15 */
-#define READ_UNLOCK_NESTED_BASE		14
-#define READ_UNLOCK_NESTED_OUT		(1 << 15)
-
-#define READ_PROC_SECOND_MB		(1 << 16)
-
-/* PROCEDURE_READ_UNLOCK base = << 17 : 17 to 18 */
-#define READ_UNLOCK_BASE		17
-#define READ_UNLOCK_OUT			(1 << 18)
-
-/* PROCEDURE_READ_LOCK_UNROLL base = << 19 : 19 to 23 */
-#define READ_LOCK_UNROLL_BASE		19
-#define READ_LOCK_OUT_UNROLL		(1 << 23)
-
-#define READ_PROC_THIRD_MB		(1 << 24)
-
-#define READ_PROC_READ_GEN_UNROLL	(1 << 25)
-#define READ_PROC_ACCESS_GEN_UNROLL	(1 << 26)
-
-#define READ_PROC_FOURTH_MB		(1 << 27)
-
-/* PROCEDURE_READ_UNLOCK_UNROLL base = << 28 : 28 to 29 */
-#define READ_UNLOCK_UNROLL_BASE		28
-#define READ_UNLOCK_OUT_UNROLL		(1 << 29)
-
-
-/* Should not include branches */
-#define READ_PROC_ALL_TOKENS		(READ_PROD_NONE			\
-					| READ_LOCK_OUT			\
-					| READ_PROC_FIRST_MB		\
-					| READ_LOCK_NESTED_OUT		\
-					| READ_PROC_READ_GEN		\
-					| READ_PROC_ACCESS_GEN		\
-					| READ_UNLOCK_NESTED_OUT	\
-					| READ_PROC_SECOND_MB		\
-					| READ_UNLOCK_OUT		\
-					| READ_LOCK_OUT_UNROLL		\
-					| READ_PROC_THIRD_MB		\
-					| READ_PROC_READ_GEN_UNROLL	\
-					| READ_PROC_ACCESS_GEN_UNROLL	\
-					| READ_PROC_FOURTH_MB		\
-					| READ_UNLOCK_OUT_UNROLL)
-
-/* Must clear all tokens, including branches */
-#define READ_PROC_ALL_TOKENS_CLEAR	((1 << 30) - 1)
-
-inline urcu_one_read(i, j, nest_i, tmp, tmp2)
-{
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROD_NONE);
-
-#ifdef NO_MB
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-#ifdef REMOTE_BARRIERS
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-	PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-#endif
-
-	do
-	:: 1 ->
-
-#ifdef REMOTE_BARRIERS
-		/*
-		 * Signal-based memory barrier will only execute when the
-		 * execution order appears in program order.
-		 */
-		if
-		:: 1 ->
-			atomic {
-				if
-				:: CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE,
-						READ_LOCK_OUT | READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT,
-						READ_LOCK_NESTED_OUT
-						| READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT | READ_LOCK_NESTED_OUT,
-						READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN,
-						READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN,
-						READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT,
-						READ_UNLOCK_OUT
-						| READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT,
-						READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL,
-						READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL,
-						READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN
-						| READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL,
-						READ_UNLOCK_OUT_UNROLL)
-					|| CONSUME_TOKENS(proc_urcu_reader, READ_PROD_NONE | READ_LOCK_OUT
-						| READ_LOCK_NESTED_OUT | READ_PROC_READ_GEN | READ_PROC_ACCESS_GEN | READ_UNLOCK_NESTED_OUT
-						| READ_UNLOCK_OUT | READ_LOCK_OUT_UNROLL
-						| READ_PROC_READ_GEN_UNROLL | READ_PROC_ACCESS_GEN_UNROLL | READ_UNLOCK_OUT_UNROLL,
-						0) ->
-					goto non_atomic3;
-non_atomic3_end:
-					skip;
-				fi;
-			}
-		fi;
-
-		goto non_atomic3_skip;
-non_atomic3:
-		smp_mb_recv(i, j);
-		goto non_atomic3_end;
-non_atomic3_skip:
-
-#endif /* REMOTE_BARRIERS */
-
-		atomic {
-			if
-			PROCEDURE_READ_LOCK(READ_LOCK_BASE, READ_PROD_NONE, READ_LOCK_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_LOCK_OUT,		/* post-dominant */
-					  READ_PROC_FIRST_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FIRST_MB);
-
-			PROCEDURE_READ_LOCK(READ_LOCK_NESTED_BASE, READ_PROC_FIRST_MB | READ_LOCK_OUT,
-					    READ_LOCK_NESTED_OUT);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN) ->
-				ooo_mem(i);
-				ptr_read_first[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_READ_GEN,
-					  READ_PROC_ACCESS_GEN) ->
-				/* smp_read_barrier_depends */
-				goto rmb1;
-rmb1_end:
-				data_read_first[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_first[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN);
-
-
-			/* Note : we remove the nested memory barrier from the read unlock
-			 * model, given it is not usually needed. The implementation has the barrier
-			 * because the performance impact added by a branch in the common case does not
-			 * justify it.
-			 */
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_NESTED_BASE,
-					      READ_PROC_FIRST_MB
-					      | READ_LOCK_OUT
-					      | READ_LOCK_NESTED_OUT,
-					      READ_UNLOCK_NESTED_OUT);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_ACCESS_GEN		/* mb() orders reads */
-					  | READ_PROC_READ_GEN		/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_LOCK_OUT		/* post-dominant */
-					  | READ_LOCK_NESTED_OUT	/* post-dominant */
-					  | READ_UNLOCK_NESTED_OUT,
-					  READ_PROC_SECOND_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_SECOND_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_BASE,
-					      READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT);
-
-			/* Unrolling loop : second consecutive lock */
-			/* reading urcu_active_readers, which have been written by
-			 * READ_UNLOCK_OUT : RAW */
-			PROCEDURE_READ_LOCK(READ_LOCK_UNROLL_BASE,
-					    READ_UNLOCK_OUT		/* RAW */
-					    | READ_PROC_SECOND_MB	/* mb() orders reads */
-					    | READ_PROC_FIRST_MB	/* mb() orders reads */
-					    | READ_LOCK_NESTED_OUT	/* RAW */
-					    | READ_LOCK_OUT		/* RAW */
-					    | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					    READ_LOCK_OUT_UNROLL);
-
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_THIRD_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_THIRD_MB);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_READ_GEN_UNROLL) ->
-				ooo_mem(i);
-				ptr_read_second[get_readerid()] = READ_CACHED_VAR(rcu_ptr);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_READ_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL
-					  | READ_PROC_FIRST_MB		/* mb() orders reads */
-					  | READ_PROC_SECOND_MB		/* mb() orders reads */
-					  | READ_PROC_THIRD_MB,		/* mb() orders reads */
-					  READ_PROC_ACCESS_GEN_UNROLL) ->
-				/* smp_read_barrier_depends */
-				goto rmb2;
-rmb2_end:
-				data_read_second[get_readerid()] =
-					READ_CACHED_VAR(rcu_data[ptr_read_second[get_readerid()]]);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_ACCESS_GEN_UNROLL);
-
-			:: CONSUME_TOKENS(proc_urcu_reader,
-					  READ_PROC_READ_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_ACCESS_GEN_UNROLL	/* mb() orders reads */
-					  | READ_PROC_FIRST_MB		/* mb() ordered */
-					  | READ_PROC_SECOND_MB		/* mb() ordered */
-					  | READ_PROC_THIRD_MB		/* mb() ordered */
-					  | READ_LOCK_OUT_UNROLL	/* post-dominant */
-					  | READ_LOCK_NESTED_OUT
-					  | READ_LOCK_OUT
-					  | READ_UNLOCK_NESTED_OUT
-					  | READ_UNLOCK_OUT,
-					  READ_PROC_FOURTH_MB) ->
-				smp_mb_reader(i, j);
-				PRODUCE_TOKENS(proc_urcu_reader, READ_PROC_FOURTH_MB);
-
-			PROCEDURE_READ_UNLOCK(READ_UNLOCK_UNROLL_BASE,
-					      READ_PROC_FOURTH_MB	/* mb() orders reads */
-					      | READ_PROC_THIRD_MB	/* mb() orders reads */
-					      | READ_LOCK_OUT_UNROLL	/* RAW */
-					      | READ_PROC_SECOND_MB	/* mb() orders reads */
-					      | READ_PROC_FIRST_MB	/* mb() orders reads */
-					      | READ_LOCK_NESTED_OUT	/* RAW */
-					      | READ_LOCK_OUT		/* RAW */
-					      | READ_UNLOCK_NESTED_OUT,	/* RAW */
-					      READ_UNLOCK_OUT_UNROLL);
-			:: CONSUME_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS, 0) ->
-				CLEAR_TOKENS(proc_urcu_reader, READ_PROC_ALL_TOKENS_CLEAR);
-				break;
-			fi;
-		}
-	od;
-	/*
-	 * Dependency between consecutive loops :
-	 * RAW dependency on 
-	 * WRITE_CACHED_VAR(urcu_active_readers[get_readerid()], tmp2 - 1)
-	 * tmp = READ_CACHED_VAR(urcu_active_readers[get_readerid()]);
-	 * between loops.
-	 * _WHEN THE MB()s are in place_, they add full ordering of the
-	 * generation pointer read wrt active reader count read, which ensures
-	 * execution will not spill across loop execution.
-	 * However, in the event mb()s are removed (execution using signal
-	 * handler to promote barrier()() -> smp_mb()), nothing prevents one loop
-	 * to spill its execution on other loop's execution.
-	 */
-	goto end;
-rmb1:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb1_end;
-rmb2:
-#ifndef NO_RMB
-	smp_rmb(i, j);
-#else
-	ooo_mem(i);
-#endif
-	goto rmb2_end;
-end:
-	skip;
-}
-
-
-
-active proctype urcu_reader()
-{
-	byte i, j, nest_i;
-	byte tmp, tmp2;
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-end_reader:
-	do
-	:: 1 ->
-		/*
-		 * We do not test reader's progress here, because we are mainly
-		 * interested in writer's progress. The reader never blocks
-		 * anyway. We have to test for reader/writer's progress
-		 * separately, otherwise we could think the writer is doing
-		 * progress when it's blocked by an always progressing reader.
-		 */
-#ifdef READER_PROGRESS
-progress_reader:
-#endif
-		urcu_one_read(i, j, nest_i, tmp, tmp2);
-	od;
-}
-
-/* no name clash please */
-#undef proc_urcu_reader
-
-
-/* Model the RCU update process. */
-
-/*
- * Bit encoding, urcu_writer :
- * Currently only supports one reader.
- */
-
-int _proc_urcu_writer;
-#define proc_urcu_writer	_proc_urcu_writer
-
-#define WRITE_PROD_NONE			(1 << 0)
-
-#define WRITE_DATA			(1 << 1)
-#define WRITE_PROC_WMB			(1 << 2)
-#define WRITE_XCHG_PTR			(1 << 3)
-
-#define WRITE_PROC_FIRST_MB		(1 << 4)
-
-/* first flip */
-#define WRITE_PROC_FIRST_READ_GP	(1 << 5)
-#define WRITE_PROC_FIRST_WRITE_GP	(1 << 6)
-#define WRITE_PROC_FIRST_WAIT		(1 << 7)
-#define WRITE_PROC_FIRST_WAIT_LOOP	(1 << 8)
-
-/* second flip */
-#define WRITE_PROC_SECOND_READ_GP	(1 << 9)
-#define WRITE_PROC_SECOND_WRITE_GP	(1 << 10)
-#define WRITE_PROC_SECOND_WAIT		(1 << 11)
-#define WRITE_PROC_SECOND_WAIT_LOOP	(1 << 12)
-
-#define WRITE_PROC_SECOND_MB		(1 << 13)
-
-#define WRITE_FREE			(1 << 14)
-
-#define WRITE_PROC_ALL_TOKENS		(WRITE_PROD_NONE		\
-					| WRITE_DATA			\
-					| WRITE_PROC_WMB		\
-					| WRITE_XCHG_PTR		\
-					| WRITE_PROC_FIRST_MB		\
-					| WRITE_PROC_FIRST_READ_GP	\
-					| WRITE_PROC_FIRST_WRITE_GP	\
-					| WRITE_PROC_FIRST_WAIT		\
-					| WRITE_PROC_SECOND_READ_GP	\
-					| WRITE_PROC_SECOND_WRITE_GP	\
-					| WRITE_PROC_SECOND_WAIT	\
-					| WRITE_PROC_SECOND_MB		\
-					| WRITE_FREE)
-
-#define WRITE_PROC_ALL_TOKENS_CLEAR	((1 << 15) - 1)
-
-/*
- * Mutexes are implied around writer execution. A single writer at a time.
- */
-active proctype urcu_writer()
-{
-	byte i, j;
-	byte tmp, tmp2, tmpa;
-	byte cur_data = 0, old_data, loop_nr = 0;
-	byte cur_gp_val = 0;	/*
-				 * Keep a local trace of the current parity so
-				 * we don't add non-existing dependencies on the global
-				 * GP update. Needed to test single flip case.
-				 */
-
-	wait_init_done();
-
-	assert(get_pid() < NR_PROCS);
-
-	do
-	:: (loop_nr < 3) ->
-#ifdef WRITER_PROGRESS
-progress_writer1:
-#endif
-		loop_nr = loop_nr + 1;
-
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROD_NONE);
-
-#ifdef NO_WMB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-#endif
-
-#ifdef NO_MB
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-#endif
-
-#ifdef SINGLE_FLIP
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-		PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-		/* For single flip, we need to know the current parity */
-		cur_gp_val = cur_gp_val ^ RCU_GP_CTR_BIT;
-#endif
-
-		do :: 1 ->
-		atomic {
-		if
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROD_NONE,
-				  WRITE_DATA) ->
-			ooo_mem(i);
-			cur_data = (cur_data + 1) % SLAB_SIZE;
-			WRITE_CACHED_VAR(rcu_data[cur_data], WINE);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_DATA);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA,
-				  WRITE_PROC_WMB) ->
-			smp_wmb(i, j);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_WMB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_WMB,
-				  WRITE_XCHG_PTR) ->
-			/* rcu_xchg_pointer() */
-			atomic {
-				old_data = READ_CACHED_VAR(rcu_ptr);
-				WRITE_CACHED_VAR(rcu_ptr, cur_data);
-			}
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_XCHG_PTR);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR,
-				  WRITE_PROC_FIRST_MB) ->
-			goto smp_mb_send1;
-smp_mb_send1_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_MB);
-
-		/* first flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_FIRST_READ_GP) ->
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP,
-				  WRITE_PROC_FIRST_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_FIRST_WAIT | WRITE_PROC_FIRST_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-#ifndef SINGLE_FLIP
-			/* In normal execution, we are always starting by
-			 * waiting for the even parity.
-			 */
-			cur_gp_val = RCU_GP_CTR_BIT;
-#endif
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ cur_gp_val) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send2;
-smp_mb_send2_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_FIRST_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_FIRST_WAIT_LOOP | WRITE_PROC_FIRST_WAIT);
-
-		/* second flip */
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT		/* Control dependency : need to branch out of
-								 * the loop to execute the next flip (CHECK) */
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_READ_GP) ->
-			ooo_mem(i);
-			tmpa = READ_CACHED_VAR(urcu_gp_ctr);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_READ_GP);
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_MB
-				  | WRITE_PROC_WMB
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP,
-				  WRITE_PROC_SECOND_WRITE_GP) ->
-			ooo_mem(i);
-			WRITE_CACHED_VAR(urcu_gp_ctr, tmpa ^ RCU_GP_CTR_BIT);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WRITE_GP);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  WRITE_PROC_SECOND_WAIT | WRITE_PROC_SECOND_WAIT_LOOP) ->
-			ooo_mem(i);
-			/* ONLY WAITING FOR READER 0 */
-			tmp2 = READ_CACHED_VAR(urcu_active_readers[0]);
-			if
-			:: (tmp2 & RCU_GP_CTR_NEST_MASK)
-					&& ((tmp2 ^ 0) & RCU_GP_CTR_BIT) ->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP);
-			:: else	->
-				PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT);
-			fi;
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  //WRITE_PROC_FIRST_WRITE_GP	/* TEST ADDING SYNC CORE */
-				  WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_WAIT_LOOP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,	/* can be reordered before/after flips */
-				  0) ->
-#ifndef GEN_ERROR_WRITER_PROGRESS
-			goto smp_mb_send3;
-smp_mb_send3_end:
-#else
-			ooo_mem(i);
-#endif
-			/* This instruction loops to WRITE_PROC_SECOND_WAIT */
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_WAIT_LOOP | WRITE_PROC_SECOND_WAIT);
-
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_FIRST_READ_GP
-				  | WRITE_PROC_SECOND_READ_GP
-				  | WRITE_PROC_FIRST_WRITE_GP
-				  | WRITE_PROC_SECOND_WRITE_GP
-				  | WRITE_DATA | WRITE_PROC_WMB | WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_PROC_SECOND_MB) ->
-			goto smp_mb_send4;
-smp_mb_send4_end:
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_PROC_SECOND_MB);
-
-		:: CONSUME_TOKENS(proc_urcu_writer,
-				  WRITE_XCHG_PTR
-				  | WRITE_PROC_FIRST_WAIT
-				  | WRITE_PROC_SECOND_WAIT
-				  | WRITE_PROC_WMB	/* No dependency on
-							 * WRITE_DATA because we
-							 * write to a
-							 * different location. */
-				  | WRITE_PROC_SECOND_MB
-				  | WRITE_PROC_FIRST_MB,
-				  WRITE_FREE) ->
-			WRITE_CACHED_VAR(rcu_data[old_data], POISON);
-			PRODUCE_TOKENS(proc_urcu_writer, WRITE_FREE);
-
-		:: CONSUME_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS, 0) ->
-			CLEAR_TOKENS(proc_urcu_writer, WRITE_PROC_ALL_TOKENS_CLEAR);
-			break;
-		fi;
-		}
-		od;
-		/*
-		 * Note : Promela model adds implicit serialization of the
-		 * WRITE_FREE instruction. Normally, it would be permitted to
-		 * spill on the next loop execution. Given the validation we do
-		 * checks for the data entry read to be poisoned, it's ok if
-		 * we do not check "late arriving" memory poisoning.
-		 */
-	:: else -> break;
-	od;
-	/*
-	 * Given the reader loops infinitely, let the writer also busy-loop
-	 * with progress here so, with weak fairness, we can test the
-	 * writer's progress.
-	 */
-end_writer:
-	do
-	:: 1 ->
-#ifdef WRITER_PROGRESS
-progress_writer2:
-#endif
-#ifdef READER_PROGRESS
-		/*
-		 * Make sure we don't block the reader's progress.
-		 */
-		smp_mb_send(i, j, 5);
-#endif
-		skip;
-	od;
-
-	/* Non-atomic parts of the loop */
-	goto end;
-smp_mb_send1:
-	smp_mb_send(i, j, 1);
-	goto smp_mb_send1_end;
-#ifndef GEN_ERROR_WRITER_PROGRESS
-smp_mb_send2:
-	smp_mb_send(i, j, 2);
-	goto smp_mb_send2_end;
-smp_mb_send3:
-	smp_mb_send(i, j, 3);
-	goto smp_mb_send3_end;
-#endif
-smp_mb_send4:
-	smp_mb_send(i, j, 4);
-	goto smp_mb_send4_end;
-end:
-	skip;
-}
-
-/* no name clash please */
-#undef proc_urcu_writer
-
-
-/* Leave after the readers and writers so the pid count is ok. */
-init {
-	byte i, j;
-
-	atomic {
-		INIT_CACHED_VAR(urcu_gp_ctr, 1, j);
-		INIT_CACHED_VAR(rcu_ptr, 0, j);
-
-		i = 0;
-		do
-		:: i < NR_READERS ->
-			INIT_CACHED_VAR(urcu_active_readers[i], 0, j);
-			ptr_read_first[i] = 1;
-			ptr_read_second[i] = 1;
-			data_read_first[i] = WINE;
-			data_read_second[i] = WINE;
-			i++;
-		:: i >= NR_READERS -> break
-		od;
-		INIT_CACHED_VAR(rcu_data[0], WINE, j);
-		i = 1;
-		do
-		:: i < SLAB_SIZE ->
-			INIT_CACHED_VAR(rcu_data[i], POISON, j);
-			i++
-		:: i >= SLAB_SIZE -> break
-		od;
-
-		init_done = 1;
-	}
-}
diff --git a/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_writer_error.spin.input.trail b/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_writer_error.spin.input.trail
deleted file mode 100644
index 29e0696..0000000
--- a/formal-model/results/urcu-controldataflow-no-ipi/urcu_progress_writer_error.spin.input.trail
+++ /dev/null
@@ -1,8711 +0,0 @@
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