xbt_dynar_t initial_pairs = NULL;
int max_pair = 0;
xbt_dynar_t reached_pairs;
+extern mc_snapshot_t initial_snapshot;
mc_pair_t new_pair(mc_snapshot_t sn, mc_state_t sg, xbt_state_t st){
mc_pair_t p = NULL;
}
-
int reached(mc_pair_t pair){
char* hash_reached = malloc(sizeof(char)*160);
-> donnera les états initiaux de la propriété consistants avec l'état initial du système */
unsigned int cursor = 0;
- unsigned int cursor2 = 0;
+ //unsigned int cursor2 = 0;
xbt_state_t state = NULL;
- int res;
- xbt_transition_t transition_succ;
- xbt_dynar_t successors = xbt_dynar_new(sizeof(mc_pair_t), NULL);
- mc_pair_t pair_succ;
+ //int res;
+ //xbt_transition_t transition_succ;
+ //xbt_dynar_t successors = xbt_dynar_new(sizeof(mc_pair_t), NULL);
+ //mc_pair_t pair_succ;
+
+ /* xbt_dynar_foreach(a->states, cursor, state){
+ if(state->type == -1){
+ xbt_dynar_foreach(state->out, cursor2, transition_succ){
+ res = MC_automaton_evaluate_label(a, transition_succ->label);
+
+ if(res == 1){
+
+ MC_SET_RAW_MEM;
+
+ mc_initial_pair = new_pair(init_snapshot, initial_graph_state, transition_succ->dst);
+ xbt_dynar_push(successors, &mc_initial_pair);
+
+ MC_UNSET_RAW_MEM;
+
+ }
+ }
+ }
+ }
+
+ cursor = 0;
+ cursor2 = 0;
xbt_dynar_foreach(a->states, cursor, state){
if(state->type == -1){
xbt_dynar_foreach(state->out, cursor2, transition_succ){
res = MC_automaton_evaluate_label(a, transition_succ->label);
- if((res == 1) || (res == 2)){
+ if(res == 2){
MC_SET_RAW_MEM;
MC_SET_RAW_MEM;
xbt_fifo_unshift(mc_stack_liveness_stateful, pair_succ);
- set_pair_visited(pair_succ, 0);
MC_UNSET_RAW_MEM;
}else{
MC_vddfs_stateful(a, 0, 1);
}
- }
+ } */
+
+ cursor = 0;
+ xbt_dynar_foreach(a->states, cursor, state){
+ if(state->type == -1){
+
+ MC_SET_RAW_MEM;
+ mc_initial_pair = new_pair(init_snapshot, initial_graph_state, state);
+ xbt_fifo_unshift(mc_stack_liveness_stateful, mc_initial_pair);
+ MC_UNSET_RAW_MEM;
+
+ if(cursor == 0){
+ MC_vddfs_stateful(a, 0, 0);
+ }else{
+ MC_vddfs_stateful(a, 0, 1);
+ }
+ }
+ }
}
}
}
- XBT_DEBUG("************************************************** ( search_cycle = %d )", search_cycle);
+ XBT_DEBUG("********************* ( Depth = %d, search_cycle = %d )", xbt_fifo_size(mc_stack_liveness_stateful), search_cycle);
XBT_DEBUG("Pair : graph=%p, automaton=%p(%s), %u interleave", current_pair->graph_state, current_pair->automaton_state, current_pair->automaton_state->id,MC_state_interleave_size(current_pair->graph_state));
MC_SET_RAW_MEM;
- if((res == 1) || (res == 2)){ // enabled transition in automaton
+ if(res == 1){
next_pair = new_pair(next_snapshot,next_graph_state, transition_succ->dst);
xbt_dynar_push(successors, &next_pair);
}
MC_UNSET_RAW_MEM;
}
+ cursor = 0;
+ xbt_dynar_foreach(current_pair->automaton_state->out, cursor, transition_succ){
+
+ res = MC_automaton_evaluate_label(a, transition_succ->label);
+
+ MC_SET_RAW_MEM;
+
+ if(res == 2){
+ next_pair = new_pair(next_snapshot,next_graph_state, transition_succ->dst);
+ xbt_dynar_push(successors, &next_pair);
+ }
+
+ MC_UNSET_RAW_MEM;
+ }
+
+
if(xbt_dynar_length(successors) == 0){
}
+ //XBT_DEBUG("Successors length %lu", xbt_dynar_length(successors));
+
cursor = 0;
xbt_dynar_foreach(successors, cursor, pair_succ){
MC_SET_RAW_MEM;
xbt_fifo_unshift(mc_stack_liveness_stateful, pair_succ);
set_pair_visited(pair_succ, search_cycle);
+ //XBT_DEBUG("New pair (graph=%p, automaton=%p) in stack", pair_succ->graph_state, pair_succ->automaton_state);
MC_UNSET_RAW_MEM;
MC_vddfs_stateful(a, search_cycle, 0);
- if((search_cycle == 0) && (current_pair->automaton_state->type == 1)){
-
- MC_restore_snapshot(current_pair->system_state);
- MC_UNSET_RAW_MEM;
-
- xbt_swag_foreach(process, simix_global->process_list){
- if(MC_process_is_enabled(process)){
- MC_state_interleave_process(current_pair->graph_state, process);
- }
- }
-
- set_pair_reached(current_pair);
- XBT_DEBUG("Acceptance pair : graph=%p, automaton=%p(%s)", current_pair->graph_state, current_pair->automaton_state, current_pair->automaton_state->id);
- MC_vddfs_stateful(a, 1, 1);
-
- }
+ //XBT_DEBUG("Pair (graph=%p, automaton=%p) expanded", pair_succ->graph_state, pair_succ->automaton_state);
+
}else{
XBT_DEBUG("Pair already visited !");
}
}
+
+ if((search_cycle == 0) && (current_pair->automaton_state->type == 1)){
+
+ /*MC_restore_snapshot(current_pair->system_state);
+ MC_UNSET_RAW_MEM;
+
+ xbt_swag_foreach(process, simix_global->process_list){
+ if(MC_process_is_enabled(process)){
+ MC_state_interleave_process(current_pair->graph_state, process);
+ }
+ }*/
+
+ set_pair_reached(current_pair);
+ XBT_DEBUG("Acceptance pair : graph=%p, automaton=%p(%s)", current_pair->graph_state, current_pair->automaton_state, current_pair->automaton_state->id);
+ MC_vddfs_stateful(a, 1, 1);
+
+ }
+
if(MC_state_interleave_size(current_pair->graph_state) > 0){
MC_SET_RAW_MEM;
- xbt_fifo_shift(mc_stack_liveness_stateful);
- XBT_DEBUG("Pair (graph=%p, automaton =%p) shifted in snapshot_stack", current_pair->graph_state, current_pair->automaton_state);
+ mc_pair_t top_pair = (mc_pair_t)xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_stack_liveness_stateful));
+ if((top_pair->graph_state == current_pair->graph_state) && (top_pair->automaton_state == current_pair->automaton_state)){
+ xbt_fifo_shift(mc_stack_liveness_stateful);
+ XBT_DEBUG("Pair (graph=%p, automaton =%p) shifted in stack", current_pair->graph_state, current_pair->automaton_state);
+ }
MC_UNSET_RAW_MEM;
+
+
}
-> donnera les états initiaux de la propriété consistants avec l'état initial du système */
unsigned int cursor = 0;
- unsigned int cursor2 = 0;
+ //unsigned int cursor2 = 0;
xbt_state_t state = NULL;
- int res;
- xbt_transition_t transition_succ;
- xbt_dynar_t successors = xbt_dynar_new(sizeof(mc_pair_t), NULL);
- mc_pair_t pair_succ;
+ //int res;
+ //xbt_transition_t transition_succ;
+ //xbt_dynar_t successors = xbt_dynar_new(sizeof(mc_pair_t), NULL);
+ //mc_pair_t pair_succ;
+
+ /*xbt_dynar_foreach(a->states, cursor, state){
+ if(state->type == -1){
+ xbt_dynar_foreach(state->out, cursor2, transition_succ){
+ res = MC_automaton_evaluate_label(a, transition_succ->label);
+
+ if(res == 1){
+
+ MC_SET_RAW_MEM;
+
+ mc_initial_pair = new_pair(init_snapshot, initial_graph_state, transition_succ->dst);
+ xbt_dynar_push(successors, &mc_initial_pair);
+
+ MC_UNSET_RAW_MEM;
+
+ }
+ }
+ }
+ }
+
+ cursor = 0;
+ cursor2 = 0;
xbt_dynar_foreach(a->states, cursor, state){
if(state->type == -1){
xbt_dynar_foreach(state->out, cursor2, transition_succ){
res = MC_automaton_evaluate_label(a, transition_succ->label);
- if((res == 1) || (res == 2)){
+ if(res == 2){
MC_SET_RAW_MEM;
MC_UNSET_RAW_MEM;
}
}
- }
+ }*/
cursor = 0;
- xbt_dynar_foreach(successors, cursor, pair_succ){
- MC_SET_RAW_MEM;
-
- xbt_fifo_unshift(mc_stack_liveness_stateful, pair_succ);
-
- MC_UNSET_RAW_MEM;
+ xbt_dynar_foreach(a->states, cursor, state){
+ if(state->type == -1){
+
+ MC_SET_RAW_MEM;
+ mc_initial_pair = new_pair(init_snapshot, initial_graph_state, state);
+ xbt_fifo_unshift(mc_stack_liveness_stateful, mc_initial_pair);
+ MC_UNSET_RAW_MEM;
- if(cursor == 0){
- MC_ddfs_stateful(a, 0, 0);
- }else{
- MC_ddfs_stateful(a, 0, 1);
+ if(cursor == 0){
+ MC_ddfs_stateful(a, 0, 0);
+ }else{
+ MC_ddfs_stateful(a, 0, 1);
+ }
}
- }
+ }
}
}
}
- XBT_DEBUG("************************************************** ( search_cycle = %d )", search_cycle);
+ XBT_DEBUG("********************* ( Depth = %d, search_cycle = %d )", xbt_fifo_size(mc_stack_liveness_stateful), search_cycle);
XBT_DEBUG("Pair : graph=%p, automaton=%p(%s), %u interleave", current_pair->graph_state, current_pair->automaton_state, current_pair->automaton_state->id,MC_state_interleave_size(current_pair->graph_state));
-
mc_stats_pair->visited_pairs++;
/* Debug information */
if(XBT_LOG_ISENABLED(mc_liveness, xbt_log_priority_debug)){
req_str = MC_request_to_string(req, value);
- XBT_DEBUG("Execute: %s", req_str);
+ XBT_DEBUG("%u Execute: %s", search_cycle, req_str);
xbt_free(req_str);
}
MC_SET_RAW_MEM;
- if((res == 1) || (res == 2)){ // enabled transition in automaton
+ if(res == 1){ // enabled transition in automaton
+ next_pair = new_pair(next_snapshot,next_graph_state, transition_succ->dst);
+ xbt_dynar_push(successors, &next_pair);
+ }
+
+ MC_UNSET_RAW_MEM;
+ }
+
+ cursor = 0;
+ xbt_dynar_foreach(current_pair->automaton_state->out, cursor, transition_succ){
+
+ res = MC_automaton_evaluate_label(a, transition_succ->label);
+
+ MC_SET_RAW_MEM;
+
+ if(res == 2){ // enabled transition in automaton
next_pair = new_pair(next_snapshot,next_graph_state, transition_succ->dst);
xbt_dynar_push(successors, &next_pair);
}
}
+ //XBT_DEBUG("Successors in automaton %lu", xbt_dynar_length(successors));
cursor = 0;
xbt_dynar_foreach(successors, cursor, pair_succ){
MC_UNSET_RAW_MEM;
MC_ddfs_stateful(a, search_cycle, 0);
+ }
+
+ if((search_cycle == 0) && (current_pair->automaton_state->type == 1)){
- if((search_cycle == 0) && (current_pair->automaton_state->type == 1)){
+ set_pair_reached(current_pair);
+ XBT_DEBUG("Acceptance pair : graph=%p, automaton=%p(%s)", current_pair->graph_state, current_pair->automaton_state, current_pair->automaton_state->id);
- MC_restore_snapshot(current_pair->system_state);
+ /*MC_restore_snapshot(current_pair->system_state);
MC_UNSET_RAW_MEM;
xbt_swag_foreach(process, simix_global->process_list){
}
}
- set_pair_reached(current_pair);
- XBT_DEBUG("Acceptance pair : graph=%p, automaton=%p(%s)", current_pair->graph_state, current_pair->automaton_state, current_pair->automaton_state->id);
+ mc_pair_t top_pair = (mc_pair_t)xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_stack_liveness_stateful));
+ if((top_pair->graph_state != current_pair->graph_state) || (top_pair->automaton_state != current_pair->automaton_state)){
+ MC_SET_RAW_MEM;
+ xbt_fifo_unshift(mc_stack_liveness_stateful, current_pair);
+ MC_UNSET_RAW_MEM;
+ }*/
+
MC_ddfs_stateful(a, 1, 1);
- }
}
-
-
+
+
if(MC_state_interleave_size(current_pair->graph_state) > 0){
MC_restore_snapshot(current_snapshot);
MC_UNSET_RAW_MEM;
}
+
}
MC_SET_RAW_MEM;
- xbt_fifo_shift(mc_stack_liveness_stateful);
- XBT_DEBUG("Pair (graph=%p, automaton =%p) shifted in snapshot_stack", current_pair->graph_state, current_pair->automaton_state);
+ mc_pair_t top_pair = (mc_pair_t)xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_stack_liveness_stateful));
+ if((top_pair->graph_state == current_pair->graph_state) && (top_pair->automaton_state == current_pair->automaton_state)){
+ xbt_fifo_shift(mc_stack_liveness_stateful);
+ XBT_DEBUG("Pair (graph=%p, automaton =%p) shifted in stack", current_pair->graph_state, current_pair->automaton_state);
+ }
MC_UNSET_RAW_MEM;
}
void set_pair_stateless_reached(mc_pair_stateless_t pair){
if(reached_stateless(pair) == 0){
+
MC_SET_RAW_MEM;
char *hash = malloc(sizeof(char)*160) ;
xbt_sha((char *)&pair, hash);
void MC_ddfs_stateless_init(xbt_automaton_t a){
XBT_DEBUG("**************************************************");
- XBT_DEBUG("Double-DFS without visited state and with restore snapshot init");
+ XBT_DEBUG("Double-DFS stateless init");
XBT_DEBUG("**************************************************");
mc_pair_stateless_t mc_initial_pair;
-> donnera les états initiaux de la propriété consistants avec l'état initial du système */
unsigned int cursor = 0;
- unsigned int cursor2 = 0;
+ //unsigned int cursor2 = 0;
xbt_state_t state = NULL;
- int res;
- xbt_transition_t transition_succ;
- xbt_dynar_t successors = xbt_dynar_new(sizeof(mc_pair_stateless_t), NULL);
- mc_pair_stateless_t pair_succ;
+ //int res;
+ //xbt_transition_t transition_succ;
+ //xbt_dynar_t successors = xbt_dynar_new(sizeof(mc_pair_stateless_t), NULL);
+ //xbt_dynar_t elses = xbt_dynar_new(sizeof(mc_pair_stateless_t), NULL);
+ //mc_pair_stateless_t pair_succ;
+
+ /*xbt_dynar_foreach(a->states, cursor, state){
+ if(state->type == -1){
+ xbt_dynar_foreach(state->out, cursor2, transition_succ){
+ res = MC_automaton_evaluate_label(a, transition_succ->label);
+
+ if(res == 1){
+
+ MC_SET_RAW_MEM;
+
+ mc_initial_pair = new_pair_stateless(initial_graph_state, transition_succ->dst);
+ xbt_dynar_push(successors, &mc_initial_pair);
+
+ MC_UNSET_RAW_MEM;
+
+ }
+ }
+ }
+ }
+
+ cursor = 0;
+ cursor2 = 0;
xbt_dynar_foreach(a->states, cursor, state){
if(state->type == -1){
xbt_dynar_foreach(state->out, cursor2, transition_succ){
res = MC_automaton_evaluate_label(a, transition_succ->label);
- if((res == 1) || (res == 2)){
+ if(res == 2){
MC_SET_RAW_MEM;
}
}
+
cursor = 0;
- if(xbt_dynar_length(successors) == 0){
+ if((xbt_dynar_length(successors) == 0) && (xbt_dynar_length(elses) == 0)){
xbt_dynar_foreach(a->states, cursor, state){
if(state->type == -1){
MC_SET_RAW_MEM;
}
}
+
cursor = 0;
xbt_dynar_foreach(successors, cursor, pair_succ){
MC_SET_RAW_MEM;
xbt_fifo_unshift(mc_stack_liveness_stateless, pair_succ);
+ initial_snapshot = xbt_new0(s_mc_snapshot_t, 1);
+ MC_take_snapshot(initial_snapshot);
+
MC_UNSET_RAW_MEM;
if(cursor == 0){
}else{
MC_ddfs_stateless(a, 0, 1);
}
- }
+ } */
+
+ xbt_dynar_foreach(a->states, cursor, state){
+ if(state->type == -1){
+
+ MC_SET_RAW_MEM;
+ mc_initial_pair = new_pair_stateless(initial_graph_state, state);
+ xbt_fifo_unshift(mc_stack_liveness_stateless, mc_initial_pair);
+
+ initial_snapshot = xbt_new0(s_mc_snapshot_t, 1);
+ MC_take_snapshot(initial_snapshot);
+
+ MC_UNSET_RAW_MEM;
+
+ if(cursor == 0){
+ MC_ddfs_stateless(a, 0);
+ }else{
+ MC_restore_snapshot(initial_snapshot);
+ MC_UNSET_RAW_MEM;
+ MC_ddfs_stateless(a, 0);
+ }
+ }
+ }
}
-void MC_ddfs_stateless(xbt_automaton_t a, int search_cycle, int restore){
+void MC_ddfs_stateless(xbt_automaton_t a, int search_cycle){
+
+ smx_process_t process = NULL;
+
+ if(xbt_fifo_size(mc_stack_liveness_stateless) == 0)
+ return;
+
+ //XBT_DEBUG("Stack size before restore %u", xbt_fifo_size(mc_stack_liveness_stateless));
+
+ /* Get current state */
+ mc_pair_stateless_t current_pair = (mc_pair_stateless_t)xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_stack_liveness_stateless));
+
+ XBT_DEBUG("********************* ( Depth = %d, search_cycle = %d )", xbt_fifo_size(mc_stack_liveness_stateless), search_cycle);
+ XBT_DEBUG("Pair : graph=%p, automaton=%p(%s), %u interleave", current_pair->graph_state, current_pair->automaton_state, current_pair->automaton_state->id,MC_state_interleave_size(current_pair->graph_state));
+
+ mc_stats_pair->visited_pairs++;
+
+ int value;
+ mc_state_t next_graph_state = NULL;
+ smx_req_t req = NULL;
+ char *req_str;
+
+ mc_pair_stateless_t pair_succ;
+ xbt_transition_t transition_succ;
+ unsigned int cursor;
+ int res;
+ xbt_dynar_t successors;
+
+ mc_pair_stateless_t next_pair;
+ mc_snapshot_t current_snap;
+
+
+ while((req = MC_state_get_request(current_pair->graph_state, &value)) != NULL){
+
+ MC_SET_RAW_MEM;
+ current_snap = xbt_new0(s_mc_snapshot_t, 1);
+ MC_take_snapshot(current_snap);
+ MC_UNSET_RAW_MEM;
+
+ //XBT_DEBUG("Interleave size %u", MC_state_interleave_size(current_pair->graph_state));
+
+ /* Debug information */
+ if(XBT_LOG_ISENABLED(mc_liveness, xbt_log_priority_debug)){
+ req_str = MC_request_to_string(req, value);
+ XBT_DEBUG("-- Pair : graph=%p, automaton=%p(%s), %u interleave", current_pair->graph_state, current_pair->automaton_state, current_pair->automaton_state->id,MC_state_interleave_size(current_pair->graph_state));
+ XBT_DEBUG("Execute: %s", req_str);
+ xbt_free(req_str);
+ }
+
+ //sleep(1);
+
+ MC_state_set_executed_request(current_pair->graph_state, req, value);
+
+ /* Answer the request */
+ SIMIX_request_pre(req, value);
+
+ /* Wait for requests (schedules processes) */
+ MC_wait_for_requests();
+
+
+ /* Create the new expanded graph_state */
+ MC_SET_RAW_MEM;
+
+ next_graph_state = MC_state_pair_new();
+
+ /* Get enabled process and insert it in the interleave set of the next graph_state */
+ xbt_swag_foreach(process, simix_global->process_list){
+ if(MC_process_is_enabled(process)){
+ MC_state_interleave_process(next_graph_state, process);
+ }
+ }
+
+ successors = xbt_dynar_new(sizeof(mc_pair_stateless_t), NULL);
+
+ MC_UNSET_RAW_MEM;
+
+ //xbt_dynar_reset(successors);
+
+ cursor = 0;
+
+ xbt_dynar_foreach(current_pair->automaton_state->out, cursor, transition_succ){
+
+ res = MC_automaton_evaluate_label(a, transition_succ->label);
+
+ MC_SET_RAW_MEM;
+
+ if(res == 1){ // enabled transition in automaton
+ next_pair = new_pair_stateless(next_graph_state, transition_succ->dst);
+ xbt_dynar_push(successors, &next_pair);
+ }
+
+ MC_UNSET_RAW_MEM;
+ }
+
+ cursor = 0;
+
+ xbt_dynar_foreach(current_pair->automaton_state->out, cursor, transition_succ){
+
+ res = MC_automaton_evaluate_label(a, transition_succ->label);
+
+ MC_SET_RAW_MEM;
+
+ if(res == 2){ // enabled transition in automaton
+ next_pair = new_pair_stateless(next_graph_state, transition_succ->dst);
+ xbt_dynar_push(successors, &next_pair);
+ }
+
+ MC_UNSET_RAW_MEM;
+ }
+
+
+ if(xbt_dynar_length(successors) == 0){
+
+ MC_SET_RAW_MEM;
+ next_pair = new_pair_stateless(next_graph_state, current_pair->automaton_state);
+ xbt_dynar_push(successors, &next_pair);
+ MC_UNSET_RAW_MEM;
+
+ }
+
+ cursor = 0;
+ //XBT_DEBUG("Successors length %lu", xbt_dynar_length(successors));
+
+ xbt_dynar_foreach(successors, cursor, pair_succ){
+
+ if((search_cycle == 1) && (reached_stateless(pair_succ) == 1)){
+ XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*");
+ XBT_INFO("| ACCEPTANCE CYCLE |");
+ XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*");
+ XBT_INFO("Counter-example that violates formula :");
+ MC_show_stack_liveness_stateless(mc_stack_liveness_stateless);
+ MC_dump_stack_liveness_stateless(mc_stack_liveness_stateless);
+ MC_print_statistics_pairs(mc_stats_pair);
+ exit(0);
+ }
+
+ mc_stats_pair->executed_transitions++;
+ MC_SET_RAW_MEM;
+ xbt_fifo_unshift(mc_stack_liveness_stateless, pair_succ);
+ MC_UNSET_RAW_MEM;
+
+ MC_ddfs_stateless(a, search_cycle);
+
+ //XBT_DEBUG("Stack size %u", xbt_fifo_size(mc_stack_liveness_stateless));
+ }
+
+ //xbt_dynar_reset(successors);
+
+ if((search_cycle == 0) && (current_pair->automaton_state->type == 1)){
+
+ set_pair_stateless_reached(current_pair);
+ XBT_DEBUG("Acceptance pair : graph=%p, automaton=%p(%s)", current_pair->graph_state, current_pair->automaton_state, current_pair->automaton_state->id);
+ MC_restore_snapshot(current_snap);
+ MC_UNSET_RAW_MEM;
+
+ xbt_swag_foreach(process, simix_global->process_list){
+ if(MC_process_is_enabled(process)){
+ MC_state_interleave_process(current_pair->graph_state, process);
+ }
+ }
+
+ MC_ddfs_stateless(a, 1);
+ }
+
+ if(MC_state_interleave_size(current_pair->graph_state) > 0){
+ //XBT_DEBUG("Backtracking to depth %u", xbt_fifo_size(mc_stack_liveness_stateless));
+ //MC_replay_liveness(mc_stack_liveness_stateless);
+ MC_restore_snapshot(current_snap);
+ MC_UNSET_RAW_MEM;
+ }
+
+ }
+
+
+ MC_SET_RAW_MEM;
+ mc_pair_stateless_t top_pair = (mc_pair_stateless_t)xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_stack_liveness_stateless));
+ if((top_pair->graph_state == current_pair->graph_state) && (top_pair->automaton_state == current_pair->automaton_state)){
+ xbt_fifo_shift(mc_stack_liveness_stateless);
+ XBT_DEBUG("Pair (graph=%p, automaton =%p, search_cycle = %u) shifted in stack", current_pair->graph_state, current_pair->automaton_state, search_cycle);
+ }
+ MC_UNSET_RAW_MEM;
+ //XBT_DEBUG("Stack size after shift %u", xbt_fifo_size(mc_stack_liveness_stateless));
+
}