- char *req_str;
-
- xbt_transition_t transition_succ;
- unsigned int cursor = 0;
- int res;
-
- mc_pair_stateless_t next_pair = NULL;
- mc_pair_stateless_t pair_succ;
-
- if(xbt_fifo_size(mc_stack_liveness) < MAX_DEPTH_LIVENESS){
-
- //set_pair_visited(current_pair->automaton_state, search_cycle);
- set_pair_visited_hash(current_pair->automaton_state, search_cycle);
-
- //XBT_DEBUG("Visited pairs : %lu", xbt_dynar_length(visited_pairs));
- XBT_DEBUG("Visited pairs : %lu", xbt_dynar_length(visited_pairs_hash));
-
- if(current_pair->requests > 0){
-
- while((req = MC_state_get_request(current_pair->graph_state, &value)) != NULL){
-
- /* 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_free(req_str);
- }
-
- MC_state_set_executed_request(current_pair->graph_state, req, value);
-
- /* Answer the request */
- SIMIX_simcall_pre(req, value);
-
- /* Wait for requests (schedules processes) */
- MC_wait_for_requests();
-
-
- MC_SET_RAW_MEM;
-
- /* Create the new expanded graph_state */
- 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);
- }
- }
-
- xbt_dynar_reset(successors);
-
- MC_UNSET_RAW_MEM;
-
-
- cursor= 0;
- xbt_dynar_foreach(current_pair->automaton_state->out, cursor, transition_succ){
-
- res = MC_automaton_evaluate_label(transition_succ->label);
-
- if(res == 1){ // enabled transition in automaton
- MC_SET_RAW_MEM;
- next_pair = new_pair_stateless(next_graph_state, transition_succ->dst, MC_state_interleave_size(next_graph_state));
- 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(transition_succ->label);
-
- if(res == 2){ // true transition in automaton
- MC_SET_RAW_MEM;
- next_pair = new_pair_stateless(next_graph_state, transition_succ->dst, MC_state_interleave_size(next_graph_state));
- xbt_dynar_push(successors, &next_pair);
- MC_UNSET_RAW_MEM;
- }
-
- }
-
- cursor = 0;
-
- xbt_dynar_foreach(successors, cursor, pair_succ){
-
- if(search_cycle == 1){
-
- if((pair_succ->automaton_state->type == 1) || (pair_succ->automaton_state->type == 2)){
-
- if(reached(pair_succ->automaton_state)){
- //if(reached_hash(pair_succ->automaton_state)){
-
- XBT_DEBUG("Next pair (depth = %d, %d interleave) already reached !", xbt_fifo_size(mc_stack_liveness) + 1, MC_state_interleave_size(pair_succ->graph_state));
-
- XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*");
- XBT_INFO("| ACCEPTANCE CYCLE |");
- XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*");
- XBT_INFO("Counter-example that violates formula :");
- MC_show_stack_liveness(mc_stack_liveness);
- MC_dump_stack_liveness(mc_stack_liveness);
- MC_print_statistics_pairs(mc_stats_pair);
- exit(0);
-
- }else{
-
- XBT_DEBUG("Next pair (depth =%d) -> Acceptance pair : graph=%p, automaton=%p(%s)", xbt_fifo_size(mc_stack_liveness) + 1, pair_succ->graph_state, pair_succ->automaton_state, pair_succ->automaton_state->id);
-
- set_pair_reached(pair_succ->automaton_state);
- //set_pair_reached_hash(pair_succ->automaton_state);
-
- XBT_DEBUG("Reached pairs : %lu", xbt_dynar_length(reached_pairs));
- //XBT_DEBUG("Reached pairs : %lu", xbt_dynar_length(reached_pairs_hash));
-
- MC_SET_RAW_MEM;
- xbt_fifo_unshift(mc_stack_liveness, pair_succ);
- MC_UNSET_RAW_MEM;
-
- MC_ddfs(search_cycle);
-
- }
-
- }else{
-
- if(!visited_hash(pair_succ->automaton_state, search_cycle)){
- //if(!visited(pair_succ->automaton_state, search_cycle)){
-
- MC_SET_RAW_MEM;
- xbt_fifo_unshift(mc_stack_liveness, pair_succ);
- MC_UNSET_RAW_MEM;
-
- MC_ddfs(search_cycle);
-
- }else{
-
- XBT_DEBUG("Next pair already visited ! ");
-
- }
-
- }
-
- }else{
-
- if(((pair_succ->automaton_state->type == 1) || (pair_succ->automaton_state->type == 2))){
-
- XBT_DEBUG("Next pair (depth =%d) -> Acceptance pair : graph=%p, automaton=%p(%s)", xbt_fifo_size(mc_stack_liveness) + 1, pair_succ->graph_state, pair_succ->automaton_state, pair_succ->automaton_state->id);
-
- set_pair_reached(pair_succ->automaton_state);
- //set_pair_reached_hash(pair_succ->automaton_state);
-
- search_cycle = 1;
-
- XBT_DEBUG("Reached pairs : %lu", xbt_dynar_length(reached_pairs));
- //XBT_DEBUG("Reached pairs : %lu", xbt_dynar_length(reached_pairs_hash));
-
- }
-
- if(!visited_hash(pair_succ->automaton_state, search_cycle)){
- //if(!visited(pair_succ->automaton_state, search_cycle)){
-
- MC_SET_RAW_MEM;
- xbt_fifo_unshift(mc_stack_liveness, pair_succ);
- MC_UNSET_RAW_MEM;
-
- MC_ddfs(search_cycle);
-
- }else{
-
- XBT_DEBUG("Next pair already visited ! ");
-
- }
-
- }
-
-
- /* Restore system before checking others successors */
- if(cursor != (xbt_dynar_length(successors) - 1))
- MC_replay_liveness(mc_stack_liveness, 1);
-
-
- }
-
- if(MC_state_interleave_size(current_pair->graph_state) > 0){
- XBT_DEBUG("Backtracking to depth %u", xbt_fifo_size(mc_stack_liveness));
- MC_replay_liveness(mc_stack_liveness, 0);
- }
+ xbt_automaton_transition_t transition_succ = NULL;
+ int cursor = 0;
+ mc_pair_t next_pair = NULL;
+ xbt_dynar_t prop_values = NULL;
+ mc_visited_pair_t reached_pair = NULL;
+
+ while(xbt_fifo_size(mc_stack) > 0){
+
+ /* Get current pair */
+ current_pair = (mc_pair_t) xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_stack));
+
+ /* Update current state in buchi automaton */
+ _mc_property_automaton->current_state = current_pair->automaton_state;
+
+ XBT_DEBUG("********************* ( Depth = %d, search_cycle = %d, interleave size %d, pair_num %d)",
+ current_pair->depth, current_pair->search_cycle,
+ MC_state_interleave_size(current_pair->graph_state), current_pair->num);
+
+ if (current_pair->requests > 0) {
+
+ if (current_pair->automaton_state->type == 1 && current_pair->exploration_started == 0) {
+ /* If new acceptance pair, return new pair */
+ if ((reached_pair = is_reached_acceptance_pair(current_pair)) == NULL) {
+ int counter_example_depth = current_pair->depth;
+ XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*");
+ XBT_INFO("| ACCEPTANCE CYCLE |");
+ XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*");
+ XBT_INFO("Counter-example that violates formula :");
+ MC_show_stack_liveness(mc_stack);
+ MC_dump_stack_liveness(mc_stack);
+ MC_print_statistics(mc_stats);
+ XBT_INFO("Counter-example depth : %d", counter_example_depth);
+ xbt_abort();
+ }