From 247d96de592ac1fcd59411032c6528f238764516 Mon Sep 17 00:00:00 2001
From: Marion Guthmuller <marion.guthmuller@loria.fr>
Date: Sun, 18 Nov 2012 19:22:43 +0100
Subject: [PATCH] model-checker : stateful mode disabled by default

---
 src/mc/mc_checkpoint.c | 3 ++-
 src/mc/mc_global.c     | 8 +++++++-
 src/surf/surf_config.c | 4 ++--
 src/xbt/xbt_main.c     | 2 +-
 4 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/src/mc/mc_checkpoint.c b/src/mc/mc_checkpoint.c
index df6c9c4f6b..d816cdb70a 100644
--- a/src/mc/mc_checkpoint.c
+++ b/src/mc/mc_checkpoint.c
@@ -245,7 +245,8 @@ mc_snapshot_t MC_take_snapshot()
     }
   }
 
-  snapshot->stacks = take_snapshot_stacks(heap);
+  if(_surf_mc_stateful > 0 || _surf_mc_property_file)
+    snapshot->stacks = take_snapshot_stacks(heap);
   
   free_memory_map(maps);
 
diff --git a/src/mc/mc_global.c b/src/mc/mc_global.c
index 0447fa4e4a..9f7ae0fb8f 100644
--- a/src/mc/mc_global.c
+++ b/src/mc/mc_global.c
@@ -207,7 +207,13 @@ void MC_modelcheck_safety(void)
 
   MC_UNSET_RAW_MEM;
 
-  MC_init();
+  if(_surf_mc_stateful > 0){
+    MC_init();
+  }else{
+    MC_init_memory_map_info();
+    get_libsimgrid_plt_section();
+    get_binary_plt_section();
+  }
 
   MC_dpor_init();
 
diff --git a/src/surf/surf_config.c b/src/surf/surf_config.c
index 32b361afb0..293a32ae62 100644
--- a/src/surf/surf_config.c
+++ b/src/surf/surf_config.c
@@ -533,9 +533,9 @@ void surf_config_init(int *argc, char **argv)
                      _mc_cfg_cb_max_depth, NULL);
 
     /* Set number of visited state stored in stateful mode */
-    default_value_int = 10;
+    default_value_int = 0;
     xbt_cfg_register(&_surf_cfg_set, "model-check/stateful",
-                     "Specify the number of visited state stored in stateful mode. The default value is 10 which means that we only keep in memory the last 10 visited states",
+                     "Specify the number of visited state stored in stateful mode. If value=5, the last 5 visited states are stored",
                      xbt_cfgelm_int, &default_value, 0, 1,
                      _mc_cfg_cb_stateful, NULL);
 #endif
diff --git a/src/xbt/xbt_main.c b/src/xbt/xbt_main.c
index c1ebcf465f..7687e5d8d1 100644
--- a/src/xbt/xbt_main.c
+++ b/src/xbt/xbt_main.c
@@ -34,7 +34,7 @@ int _surf_mc_checkpoint=0;
 char* _surf_mc_property_file=NULL;
 int _surf_mc_timeout=0;
 int _surf_mc_max_depth=1000;
-int _surf_mc_stateful=10;
+int _surf_mc_stateful=0;
 
 /* Declare xbt_preinit and xbt_postexit as constructor/destructor of the library.
  * This is crude and rather compiler-specific, unfortunately.
-- 
2.20.1