model-checker : fix dependance theorem according to TLA+ specification

[simgrid.git] / src / mc / mc_global.c

diff --git a/src/mc/mc_global.c b/src/mc/mc_global.c
index 02600ef..016c3d2 100644 (file)
--- a/src/mc/mc_global.c
+++ b/src/mc/mc_global.c
@@ -63,6 +63,22 @@ void _mc_cfg_cb_timeout(const char *name, int pos) {
   xbt_cfg_set_int(_surf_cfg_set,"model-check",1);
 }
 
+void _mc_cfg_cb_max_depth(const char *name, int pos) {
+  if (_surf_init_status && !_surf_do_model_check) {
+    xbt_die("You are specifying a max depth value after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
+  }
+  _surf_mc_max_depth= xbt_cfg_get_int(_surf_cfg_set, name);
+  xbt_cfg_set_int(_surf_cfg_set,"model-check",1);
+}
+
+void _mc_cfg_cb_stateful(const char *name, int pos) {
+  if (_surf_init_status && !_surf_do_model_check) {
+    xbt_die("You are trying to change stateful mode after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
+  }
+  _surf_mc_stateful= xbt_cfg_get_int(_surf_cfg_set, name);
+  xbt_cfg_set_int(_surf_cfg_set,"model-check",1);
+}
+
 
 /* MC global data structures */
 
@@ -70,7 +86,6 @@ mc_state_t mc_current_state = NULL;
 char mc_replay_mode = FALSE;
 double *mc_time = NULL;
 mc_snapshot_t initial_snapshot = NULL;
-int raw_mem_set;
 
 /* Safety */
 
@@ -126,7 +141,7 @@ void MC_do_the_modelcheck_for_real() {
 void MC_init_safety(void)
 {
 
-  raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+  int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
 
   /* Check if MC is already initialized */
   if (initial_snapshot)
@@ -175,7 +190,7 @@ void MC_modelcheck(void)
 
 void MC_init_liveness(){
 
-  raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+  int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
   
   mc_time = xbt_new0(double, simix_process_maxpid);
 
@@ -204,13 +219,6 @@ void MC_init_liveness(){
   MC_get_local_variables(ls_path, libsimgrid_location_list, &mc_local_variables);
 
   initial_state_liveness = xbt_new0(s_mc_global_t, 1);
-  initial_state_liveness->snapshot_comparison_times = xbt_dynar_new(sizeof(double), NULL);
-  initial_state_liveness->chunks_used_comparison_times = xbt_dynar_new(sizeof(double), NULL);
-  initial_state_liveness->stacks_sizes_comparison_times = xbt_dynar_new(sizeof(double), NULL);
-  initial_state_liveness->program_data_segment_comparison_times = xbt_dynar_new(sizeof(double), NULL);
-  initial_state_liveness->libsimgrid_data_segment_comparison_times = xbt_dynar_new(sizeof(double), NULL);
-  initial_state_liveness->heap_comparison_times = xbt_dynar_new(sizeof(double), NULL);
-  initial_state_liveness->stacks_comparison_times = xbt_dynar_new(sizeof(double), NULL);
 
   MC_UNSET_RAW_MEM;
 
@@ -227,7 +235,7 @@ void MC_init_liveness(){
 
 void MC_modelcheck_liveness(){
 
-  raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+  int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
 
   MC_init_liveness();
  
@@ -249,6 +257,9 @@ void MC_modelcheck_liveness(){
   MC_print_statistics_pairs(mc_stats_pair);
   xbt_free(mc_time);
 
+  if(raw_mem_set)
+    MC_SET_RAW_MEM;
+
 }
 
 
@@ -377,7 +388,7 @@ void MC_replay(xbt_fifo_t stack, int start)
 void MC_replay_liveness(xbt_fifo_t stack, int all_stack)
 {
 
-  int raw_mem = (mmalloc_get_current_heap() == raw_heap);
+  initial_state_liveness->raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
 
   int value;
   char *req_str;
@@ -390,11 +401,12 @@ void MC_replay_liveness(xbt_fifo_t stack, int all_stack)
   XBT_DEBUG("**** Begin Replay ****");
 
   /* Restore the initial state */
-  MC_restore_snapshot(initial_state_liveness->initial_snapshot);
+  MC_restore_snapshot(initial_state_liveness->snapshot);
+
   /* At the moment of taking the snapshot the raw heap was set, so restoring
    * it will set it back again, we have to unset it to continue  */
-  
-  MC_UNSET_RAW_MEM;
+  if(!initial_state_liveness->raw_mem_set)
+    MC_UNSET_RAW_MEM;
 
   if(all_stack){
 
@@ -480,7 +492,7 @@ void MC_replay_liveness(xbt_fifo_t stack, int all_stack)
 
   XBT_DEBUG("**** End Replay ****");
 
-  if(raw_mem)
+  if(initial_state_liveness->raw_mem_set)
     MC_SET_RAW_MEM;
   else
     MC_UNSET_RAW_MEM;
@@ -495,7 +507,7 @@ void MC_replay_liveness(xbt_fifo_t stack, int all_stack)
 void MC_dump_stack_safety(xbt_fifo_t stack)
 {
   
-  raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+  int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
 
   MC_show_stack_safety(stack);
 
@@ -578,7 +590,7 @@ void MC_show_stack_liveness(xbt_fifo_t stack){
 
 void MC_dump_stack_liveness(xbt_fifo_t stack){
 
-  raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+  int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
 
   mc_pair_stateless_t pair;
 
@@ -662,7 +674,7 @@ double MC_process_clock_get(smx_process_t process)
 
 void MC_automaton_load(const char *file){
 
-  raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+  int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
 
   MC_SET_RAW_MEM;
 
@@ -680,7 +692,7 @@ void MC_automaton_load(const char *file){
 
 void MC_automaton_new_propositional_symbol(const char* id, void* fct) {
 
-  raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+  int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
 
   MC_SET_RAW_MEM;
 
@@ -700,7 +712,7 @@ void MC_automaton_new_propositional_symbol(const char* id, void* fct) {
 
 void MC_ignore_heap(void *address, size_t size){
 
-  raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+  int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
 
   MC_SET_RAW_MEM;
   
@@ -741,7 +753,7 @@ void MC_ignore_heap(void *address, size_t size){
 
 void MC_ignore_data_bss(void *address, size_t size){
 
-  raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+  int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
 
   MC_SET_RAW_MEM;
   
@@ -799,7 +811,7 @@ void MC_ignore_data_bss(void *address, size_t size){
 
 void MC_ignore_stack(const char *var_name, const char *frame){
   
-  raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+  int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
 
   MC_SET_RAW_MEM;
 
@@ -864,7 +876,7 @@ void MC_ignore_stack(const char *var_name, const char *frame){
 
 void MC_new_stack_area(void *stack, char *name, void* context, size_t size){
 
-  raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
+  int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
 
   MC_SET_RAW_MEM;
   if(stacks_areas == NULL)