4 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_liveness, mc,
5 "Logging specific to algorithms for liveness properties verification");
7 xbt_dynar_t reached_pairs;
8 xbt_dynar_t visited_pairs;
9 xbt_dynar_t visited_pairs_hash;
10 xbt_dynar_t successors;
12 int snapshot_compare(mc_snapshot_t s1, mc_snapshot_t s2){
15 if(s1->num_reg != s2->num_reg){
16 XBT_DEBUG("Different num_reg (s1 = %d, s2 = %d)", s1->num_reg, s2->num_reg);
22 for(i=0 ; i< s1->num_reg ; i++){
24 if(s1->regions[i]->type != s2->regions[i]->type){
25 XBT_DEBUG("Different type of region");
29 switch(s1->regions[i]->type){
31 if(s1->regions[i]->size != s2->regions[i]->size){
32 XBT_DEBUG("Different size of heap (s1 = %Zu, s2 = %Zu)", s1->regions[i]->size, s2->regions[i]->size);
35 if(s1->regions[i]->start_addr != s2->regions[i]->start_addr){
36 XBT_DEBUG("Different start addr of heap (s1 = %p, s2 = %p)", s1->regions[i]->start_addr, s2->regions[i]->start_addr);
39 if(mmalloc_compare_heap(s1->regions[i]->data, s2->regions[i]->data)){
40 XBT_DEBUG("Different heap (mmalloc_compare)");
45 if(s1->regions[i]->size != s2->regions[i]->size){
46 XBT_DEBUG("Different size of libsimgrid (s1 = %Zu, s2 = %Zu)", s1->regions[i]->size, s2->regions[i]->size);
49 if(s1->regions[i]->start_addr != s2->regions[i]->start_addr){
50 XBT_DEBUG("Different start addr of libsimgrid (s1 = %p, s2 = %p)", s1->regions[i]->start_addr, s2->regions[i]->start_addr);
53 if(memcmp(s1->regions[i]->data, s2->regions[i]->data, s1->regions[i]->size) != 0){
54 XBT_DEBUG("Different memcmp for data in libsimgrid");
59 if(s1->regions[i]->size != s2->regions[i]->size){
60 XBT_DEBUG("Different size of program (s1 = %Zu, s2 = %Zu)", s1->regions[i]->size, s2->regions[i]->size);
63 if(s1->regions[i]->start_addr != s2->regions[i]->start_addr){
64 XBT_DEBUG("Different start addr of program (s1 = %p, s2 = %p)", s1->regions[i]->start_addr, s2->regions[i]->start_addr);
67 if(memcmp(s1->regions[i]->data, s2->regions[i]->data, s1->regions[i]->size) != 0){
68 XBT_DEBUG("Different memcmp for data in program");
73 if(s1->regions[i]->size != s2->regions[i]->size){
74 XBT_DEBUG("Different size of stack (s1 = %Zu, s2 = %Zu)", s1->regions[i]->size, s2->regions[i]->size);
77 if(s1->regions[i]->start_addr != s2->regions[i]->start_addr){
78 XBT_DEBUG("Different start addr of stack (s1 = %p, s2 = %p)", s1->regions[i]->start_addr, s2->regions[i]->start_addr);
81 if(memcmp(s1->regions[i]->data, s2->regions[i]->data, s1->regions[i]->size) != 0){
82 XBT_DEBUG("Different memcmp for data in stack");
91 int reached(xbt_state_t st){
94 if(xbt_dynar_is_empty(reached_pairs)){
102 mc_snapshot_t sn = xbt_new0(s_mc_snapshot_t, 1);
103 MC_take_snapshot_liveness(sn);
105 xbt_dynar_t prop_ato = xbt_dynar_new(sizeof(int), NULL);
109 /* Get values of propositional symbols */
110 unsigned int cursor = 0;
111 xbt_propositional_symbol_t ps = NULL;
112 xbt_dynar_foreach(automaton->propositional_symbols, cursor, ps){
115 xbt_dynar_push_as(prop_ato, int, res);
119 mc_pair_reached_t pair_test = NULL;
122 xbt_dynar_foreach(reached_pairs, cursor, pair_test){
123 if(automaton_state_compare(pair_test->automaton_state, st) == 0){
124 if(propositional_symbols_compare_value(pair_test->prop_ato, prop_ato) == 0){
125 if(snapshot_compare(pair_test->system_state, sn) == 0){
127 MC_free_snapshot(sn);
128 xbt_dynar_reset(prop_ato);
137 MC_free_snapshot(sn);
138 xbt_dynar_reset(prop_ato);
146 void set_pair_reached(xbt_state_t st){
151 mc_pair_reached_t pair = NULL;
152 pair = xbt_new0(s_mc_pair_reached_t, 1);
153 pair->automaton_state = st;
154 pair->prop_ato = xbt_dynar_new(sizeof(int), NULL);
155 pair->system_state = xbt_new0(s_mc_snapshot_t, 1);
156 MC_take_snapshot_liveness(pair->system_state);
158 /* Get values of propositional symbols */
159 unsigned int cursor = 0;
160 xbt_propositional_symbol_t ps = NULL;
164 xbt_dynar_foreach(automaton->propositional_symbols, cursor, ps){
167 xbt_dynar_push_as(pair->prop_ato, int, res);
170 xbt_dynar_push(reached_pairs, &pair);
176 int visited(xbt_state_t st, int sc){
179 if(xbt_dynar_is_empty(visited_pairs)){
187 mc_snapshot_t sn = xbt_new0(s_mc_snapshot_t, 1);
188 MC_take_snapshot_liveness(sn);
190 xbt_dynar_t prop_ato = xbt_dynar_new(sizeof(int), NULL);
192 /* Get values of propositional symbols */
193 unsigned int cursor = 0;
194 xbt_propositional_symbol_t ps = NULL;
198 xbt_dynar_foreach(automaton->propositional_symbols, cursor, ps){
201 xbt_dynar_push_as(prop_ato, int, res);
205 mc_pair_visited_t pair_test = NULL;
207 xbt_dynar_foreach(visited_pairs, cursor, pair_test){
208 if(pair_test->search_cycle == sc) {
209 if(automaton_state_compare(pair_test->automaton_state, st) == 0){
210 if(propositional_symbols_compare_value(pair_test->prop_ato, prop_ato) == 0){
211 if(snapshot_compare(pair_test->system_state, sn) == 0){
213 MC_free_snapshot(sn);
214 xbt_dynar_reset(prop_ato);
227 MC_free_snapshot(sn);
228 xbt_dynar_reset(prop_ato);
237 int visited_hash(xbt_state_t st, int sc){
240 if(xbt_dynar_is_empty(visited_pairs_hash)){
248 mc_snapshot_t sn = xbt_new0(s_mc_snapshot_t, 1);
249 MC_take_snapshot_liveness(sn);
251 xbt_dynar_t prop_ato = xbt_dynar_new(sizeof(int), NULL);
253 /* Get values of propositional symbols */
254 unsigned int cursor = 0;
255 xbt_propositional_symbol_t ps = NULL;
259 xbt_dynar_foreach(automaton->propositional_symbols, cursor, ps){
262 xbt_dynar_push_as(prop_ato, int, res);
265 mc_pair_visited_hash_t pair_test = NULL;
271 xbt_dynar_foreach(visited_pairs_hash, cursor, pair_test){
273 if(pair_test->search_cycle == sc) {
274 if(automaton_state_compare(pair_test->automaton_state, st) == 0){
275 if(propositional_symbols_compare_value(pair_test->prop_ato, prop_ato) == 0){
276 for(j=0 ; j< sn->num_reg ; j++){
277 if(xbt_dict_get_or_null_ext(pair_test->hash_regions, sn->regions[j]->data, sn->regions[j]->size) == NULL){
281 if(region_diff == 0){
282 MC_free_snapshot(sn);
283 xbt_dynar_reset(prop_ato);
295 MC_free_snapshot(sn);
296 xbt_dynar_reset(prop_ato);
304 void set_pair_visited_hash(xbt_state_t st, int sc){
308 mc_snapshot_t sn = xbt_new0(s_mc_snapshot_t, 1);
309 MC_take_snapshot_liveness(sn);
311 mc_pair_visited_hash_t pair = NULL;
312 pair = xbt_new0(s_mc_pair_visited_hash_t, 1);
313 pair->automaton_state = st;
314 pair->prop_ato = xbt_dynar_new(sizeof(int), NULL);
315 pair->search_cycle = sc;
316 pair->hash_regions = xbt_dict_new();
320 for(i=0 ; i< sn->num_reg ; i++){
321 switch(sn->regions[i]->type){
323 xbt_dict_set_ext(pair->hash_regions, sn->regions[i]->data, sn->regions[i]->size, "heap", NULL);
326 xbt_dict_set_ext(pair->hash_regions, sn->regions[i]->data, sn->regions[i]->size, "libsimgrid", NULL);
329 xbt_dict_set_ext(pair->hash_regions, sn->regions[i]->data, sn->regions[i]->size, "prog", NULL);
334 /* Get values of propositional symbols */
335 unsigned int cursor = 0;
336 xbt_propositional_symbol_t ps = NULL;
340 xbt_dynar_foreach(automaton->propositional_symbols, cursor, ps){
343 xbt_dynar_push_as(pair->prop_ato, int, res);
346 xbt_dynar_push(visited_pairs_hash, &pair);
348 MC_free_snapshot(sn);
357 void set_pair_visited(xbt_state_t st, int sc){
362 mc_pair_visited_t pair = NULL;
363 pair = xbt_new0(s_mc_pair_visited_t, 1);
364 pair->automaton_state = st;
365 pair->prop_ato = xbt_dynar_new(sizeof(int), NULL);
366 pair->search_cycle = sc;
367 pair->system_state = xbt_new0(s_mc_snapshot_t, 1);
368 MC_take_snapshot_liveness(pair->system_state);
371 /* Get values of propositional symbols */
372 unsigned int cursor = 0;
373 xbt_propositional_symbol_t ps = NULL;
377 xbt_dynar_foreach(automaton->propositional_symbols, cursor, ps){
380 xbt_dynar_push_as(pair->prop_ato, int, res);
383 xbt_dynar_push(visited_pairs, &pair);
390 void MC_pair_delete(mc_pair_t pair){
391 xbt_free(pair->graph_state->proc_status);
392 xbt_free(pair->graph_state);
398 int MC_automaton_evaluate_label(xbt_exp_label_t l){
402 int left_res = MC_automaton_evaluate_label(l->u.or_and.left_exp);
403 int right_res = MC_automaton_evaluate_label(l->u.or_and.right_exp);
404 return (left_res || right_res);
408 int left_res = MC_automaton_evaluate_label(l->u.or_and.left_exp);
409 int right_res = MC_automaton_evaluate_label(l->u.or_and.right_exp);
410 return (left_res && right_res);
414 int res = MC_automaton_evaluate_label(l->u.exp_not);
419 unsigned int cursor = 0;
420 xbt_propositional_symbol_t p = NULL;
422 xbt_dynar_foreach(automaton->propositional_symbols, cursor, p){
423 if(strcmp(p->pred, l->u.predicat) == 0){
444 /********************* Double-DFS stateless *******************/
446 void MC_pair_stateless_delete(mc_pair_stateless_t pair){
447 xbt_free(pair->graph_state->proc_status);
448 xbt_free(pair->graph_state);
452 mc_pair_stateless_t new_pair_stateless(mc_state_t sg, xbt_state_t st, int r){
453 mc_pair_stateless_t p = NULL;
454 p = xbt_new0(s_mc_pair_stateless_t, 1);
455 p->automaton_state = st;
458 mc_stats_pair->expanded_pairs++;
462 void MC_ddfs_stateless_init(){
464 XBT_DEBUG("**************************************************");
465 XBT_DEBUG("Double-DFS stateless init");
466 XBT_DEBUG("**************************************************");
468 mc_pair_stateless_t mc_initial_pair = NULL;
469 mc_state_t initial_graph_state = NULL;
470 smx_process_t process;
472 MC_wait_for_requests();
476 initial_graph_state = MC_state_pair_new();
477 xbt_swag_foreach(process, simix_global->process_list){
478 if(MC_process_is_enabled(process)){
479 MC_state_interleave_process(initial_graph_state, process);
483 reached_pairs = xbt_dynar_new(sizeof(mc_pair_reached_t), NULL);
484 //visited_pairs = xbt_dynar_new(sizeof(mc_pair_visited_t), NULL);
485 visited_pairs_hash = xbt_dynar_new(sizeof(mc_pair_visited_hash_t), NULL);
486 successors = xbt_dynar_new(sizeof(mc_pair_stateless_t), NULL);
488 /* Save the initial state */
489 initial_snapshot_liveness = xbt_new0(s_mc_snapshot_t, 1);
490 MC_take_snapshot_to_restore_liveness(initial_snapshot_liveness);
494 unsigned int cursor = 0;
497 xbt_dynar_foreach(automaton->states, cursor, state){
498 if(state->type == -1){
501 mc_initial_pair = new_pair_stateless(initial_graph_state, state, MC_state_interleave_size(initial_graph_state));
502 xbt_fifo_unshift(mc_stack_liveness_stateless, mc_initial_pair);
506 MC_restore_snapshot(initial_snapshot_liveness);
510 MC_ddfs_stateless(0);
513 if(state->type == 2){
516 mc_initial_pair = new_pair_stateless(initial_graph_state, state, MC_state_interleave_size(initial_graph_state));
517 xbt_fifo_unshift(mc_stack_liveness_stateless, mc_initial_pair);
520 set_pair_reached(state);
523 MC_restore_snapshot(initial_snapshot_liveness);
527 MC_ddfs_stateless(1);
536 void MC_ddfs_stateless(int search_cycle){
538 smx_process_t process;
539 mc_pair_stateless_t current_pair = NULL;
541 if(xbt_fifo_size(mc_stack_liveness_stateless) == 0)
545 /* Get current pair */
546 current_pair = (mc_pair_stateless_t)xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_stack_liveness_stateless));
548 /* Update current state in buchi automaton */
549 automaton->current_state = current_pair->automaton_state;
552 XBT_DEBUG("********************* ( Depth = %d, search_cycle = %d )", xbt_fifo_size(mc_stack_liveness_stateless), search_cycle);
553 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));
555 mc_stats_pair->visited_pairs++;
560 mc_state_t next_graph_state = NULL;
561 smx_req_t req = NULL;
564 xbt_transition_t transition_succ;
565 unsigned int cursor = 0;
568 mc_pair_stateless_t next_pair = NULL;
569 mc_pair_stateless_t pair_succ;
571 if(xbt_fifo_size(mc_stack_liveness_stateless) < MAX_DEPTH_LIVENESS){
573 //set_pair_visited(current_pair->automaton_state, search_cycle);
574 //set_pair_visited_hash(current_pair->automaton_state, search_cycle);
576 //XBT_DEBUG("Visited pairs : %lu", xbt_dynar_length(visited_pairs));
577 //XBT_DEBUG("Visited pairs : %lu", xbt_dynar_length(visited_pairs_hash));
579 if(current_pair->requests > 0){
581 while((req = MC_state_get_request(current_pair->graph_state, &value)) != NULL){
583 /* Debug information */
584 if(XBT_LOG_ISENABLED(mc_liveness, xbt_log_priority_debug)){
585 req_str = MC_request_to_string(req, value);
586 XBT_DEBUG("Execute: %s", req_str);
590 MC_state_set_executed_request(current_pair->graph_state, req, value);
592 /* Answer the request */
593 SIMIX_request_pre(req, value);
595 /* Wait for requests (schedules processes) */
596 MC_wait_for_requests();
601 /* Create the new expanded graph_state */
602 next_graph_state = MC_state_pair_new();
604 /* Get enabled process and insert it in the interleave set of the next graph_state */
605 xbt_swag_foreach(process, simix_global->process_list){
606 if(MC_process_is_enabled(process)){
607 MC_state_interleave_process(next_graph_state, process);
611 xbt_dynar_reset(successors);
617 xbt_dynar_foreach(current_pair->automaton_state->out, cursor, transition_succ){
619 res = MC_automaton_evaluate_label(transition_succ->label);
621 if(res == 1){ // enabled transition in automaton
623 next_pair = new_pair_stateless(next_graph_state, transition_succ->dst, MC_state_interleave_size(next_graph_state));
624 xbt_dynar_push(successors, &next_pair);
632 xbt_dynar_foreach(current_pair->automaton_state->out, cursor, transition_succ){
634 res = MC_automaton_evaluate_label(transition_succ->label);
636 if(res == 2){ // true transition in automaton
638 next_pair = new_pair_stateless(next_graph_state, transition_succ->dst, MC_state_interleave_size(next_graph_state));
639 xbt_dynar_push(successors, &next_pair);
647 xbt_dynar_foreach(successors, cursor, pair_succ){
649 //if(!visited(pair_succ->automaton_state, search_cycle)){
650 //if(!visited_hash(pair_succ->automaton_state, search_cycle)){
652 if(search_cycle == 1){
654 if((pair_succ->automaton_state->type == 1) || (pair_succ->automaton_state->type == 2)){
656 if(reached(pair_succ->automaton_state) == 1){
658 XBT_DEBUG("Next pair (depth = %d, %d interleave) already reached !", xbt_fifo_size(mc_stack_liveness_stateless) + 1, MC_state_interleave_size(pair_succ->graph_state));
660 XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*");
661 XBT_INFO("| ACCEPTANCE CYCLE |");
662 XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*");
663 XBT_INFO("Counter-example that violates formula :");
664 MC_show_stack_liveness_stateless(mc_stack_liveness_stateless);
665 MC_dump_stack_liveness_stateless(mc_stack_liveness_stateless);
666 MC_print_statistics_pairs(mc_stats_pair);
671 XBT_DEBUG("Next pair (depth =%d) -> Acceptance pair : graph=%p, automaton=%p(%s)", xbt_fifo_size(mc_stack_liveness_stateless) + 1, pair_succ->graph_state, pair_succ->automaton_state, pair_succ->automaton_state->id);
673 set_pair_reached(pair_succ->automaton_state);
675 XBT_DEBUG("Reached pairs : %lu", xbt_dynar_length(reached_pairs));
683 if(((pair_succ->automaton_state->type == 1) || (pair_succ->automaton_state->type == 2))){
685 XBT_DEBUG("Next pair (depth =%d) -> Acceptance pair : graph=%p, automaton=%p(%s)", xbt_fifo_size(mc_stack_liveness_stateless) + 1, pair_succ->graph_state, pair_succ->automaton_state, pair_succ->automaton_state->id);
687 set_pair_reached(pair_succ->automaton_state);
691 XBT_DEBUG("Reached pairs : %lu", xbt_dynar_length(reached_pairs));
698 xbt_fifo_unshift(mc_stack_liveness_stateless, pair_succ);
701 MC_ddfs_stateless(search_cycle);
703 /* Restore system before checking others successors */
704 if(cursor != (xbt_dynar_length(successors) - 1))
705 MC_replay_liveness(mc_stack_liveness_stateless, 1);
709 XBT_DEBUG("Next pair already visited");
711 if(search_cycle == 1){
713 if((pair_succ->automaton_state->type == 1) || (pair_succ->automaton_state->type == 2)){
715 if(reached(pair_succ->automaton_state) == 1){
717 XBT_DEBUG("Next pair (depth = %d, %d interleave) already reached !", xbt_fifo_size(mc_stack_liveness_stateless) + 1, MC_state_interleave_size(pair_succ->graph_state));
719 XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*");
720 XBT_INFO("| ACCEPTANCE CYCLE |");
721 XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*");
722 XBT_INFO("Counter-example that violates formula :");
723 MC_show_stack_liveness_stateless(mc_stack_liveness_stateless);
724 MC_dump_stack_liveness_stateless(mc_stack_liveness_stateless);
725 MC_print_statistics_pairs(mc_stats_pair);
736 if(MC_state_interleave_size(current_pair->graph_state) > 0){
737 XBT_DEBUG("Backtracking to depth %u", xbt_fifo_size(mc_stack_liveness_stateless));
738 MC_replay_liveness(mc_stack_liveness_stateless, 0);
743 }else{ /*No request to execute, search evolution in Büchi automaton */
747 /* Create the new expanded graph_state */
748 next_graph_state = MC_state_pair_new();
750 xbt_dynar_reset(successors);
756 xbt_dynar_foreach(current_pair->automaton_state->out, cursor, transition_succ){
758 res = MC_automaton_evaluate_label(transition_succ->label);
760 if(res == 1){ // enabled transition in automaton
762 next_pair = new_pair_stateless(next_graph_state, transition_succ->dst, MC_state_interleave_size(next_graph_state));
763 xbt_dynar_push(successors, &next_pair);
771 xbt_dynar_foreach(current_pair->automaton_state->out, cursor, transition_succ){
773 res = MC_automaton_evaluate_label(transition_succ->label);
775 if(res == 2){ // true transition in automaton
777 next_pair = new_pair_stateless(next_graph_state, transition_succ->dst, MC_state_interleave_size(next_graph_state));
778 xbt_dynar_push(successors, &next_pair);
786 xbt_dynar_foreach(successors, cursor, pair_succ){
788 //if(!visited(pair_succ->automaton_state, search_cycle)){
789 //if(!visited_hash(pair_succ->automaton_state, search_cycle)){
791 if(search_cycle == 1){
793 if((pair_succ->automaton_state->type == 1) || (pair_succ->automaton_state->type == 2)){
795 if(reached(pair_succ->automaton_state) == 1){
797 XBT_DEBUG("Next pair (depth = %d) already reached !", xbt_fifo_size(mc_stack_liveness_stateless) + 1);
799 XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*");
800 XBT_INFO("| ACCEPTANCE CYCLE |");
801 XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*");
802 XBT_INFO("Counter-example that violates formula :");
803 MC_show_stack_liveness_stateless(mc_stack_liveness_stateless);
804 MC_dump_stack_liveness_stateless(mc_stack_liveness_stateless);
805 MC_print_statistics_pairs(mc_stats_pair);
810 XBT_DEBUG("Next pair (depth =%d) -> Acceptance pair : graph=%p, automaton=%p(%s)", xbt_fifo_size(mc_stack_liveness_stateless) + 1, pair_succ->graph_state, pair_succ->automaton_state, pair_succ->automaton_state->id);
812 set_pair_reached(pair_succ->automaton_state);
814 XBT_DEBUG("Reached pairs : %lu", xbt_dynar_length(reached_pairs));
822 if(((pair_succ->automaton_state->type == 1) || (pair_succ->automaton_state->type == 2))){
824 set_pair_reached(pair_succ->automaton_state);
828 XBT_DEBUG("Reached pairs : %lu", xbt_dynar_length(reached_pairs));
835 xbt_fifo_unshift(mc_stack_liveness_stateless, pair_succ);
838 MC_ddfs_stateless(search_cycle);
840 /* Restore system before checking others successors */
841 if(cursor != xbt_dynar_length(successors) - 1)
842 MC_replay_liveness(mc_stack_liveness_stateless, 1);
846 XBT_DEBUG("Next pair already visited");
848 if(search_cycle == 1){
850 if((pair_succ->automaton_state->type == 1) || (pair_succ->automaton_state->type == 2)){
852 if(reached(pair_succ->automaton_state) == 1){
854 XBT_DEBUG("Next pair (depth = %d, %d interleave) already reached !", xbt_fifo_size(mc_stack_liveness_stateless) + 1, MC_state_interleave_size(pair_succ->graph_state));
856 XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*");
857 XBT_INFO("| ACCEPTANCE CYCLE |");
858 XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*");
859 XBT_INFO("Counter-example that violates formula :");
860 MC_show_stack_liveness_stateless(mc_stack_liveness_stateless);
861 MC_dump_stack_liveness_stateless(mc_stack_liveness_stateless);
862 MC_print_statistics_pairs(mc_stats_pair);
878 XBT_DEBUG("Max depth reached");
882 if(xbt_fifo_size(mc_stack_liveness_stateless) == MAX_DEPTH_LIVENESS ){
883 XBT_DEBUG("Pair (graph=%p, automaton =%p, search_cycle = %u, depth = %d) shifted in stack, maximum depth reached", current_pair->graph_state, current_pair->automaton_state, search_cycle, xbt_fifo_size(mc_stack_liveness_stateless) );
885 XBT_DEBUG("Pair (graph=%p, automaton =%p, search_cycle = %u, depth = %d) shifted in stack", current_pair->graph_state, current_pair->automaton_state, search_cycle, xbt_fifo_size(mc_stack_liveness_stateless) );
890 xbt_fifo_shift(mc_stack_liveness_stateless);
891 if((current_pair->automaton_state->type == 1) || (current_pair->automaton_state->type == 2)){
892 xbt_dynar_pop(reached_pairs, NULL);