- 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(!visited(pair_succ->automaton_state, search_cycle)){
-
- if(search_cycle == 1){
-
- if((pair_succ->automaton_state->type == 1) || (pair_succ->automaton_state->type == 2)){
-
- if(reached(pair_succ->automaton_state) == 1){
-
- 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));
-
- 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);
-
- }else{
-
- 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);
-
- set_pair_reached(pair_succ->automaton_state);
-
- XBT_DEBUG("Reached pairs : %d", xbt_fifo_size(reached_pairs));
-
- }
-
- }
-
- }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_stateless) + 1, pair_succ->graph_state, pair_succ->automaton_state, pair_succ->automaton_state->id);
-
- set_pair_reached(pair_succ->automaton_state);
-
- search_cycle = 1;
-
- XBT_DEBUG("Reached pairs : %d", xbt_fifo_size(reached_pairs));
-
- }
-
- }
-
- MC_SET_RAW_MEM;
- xbt_fifo_unshift(mc_stack_liveness_stateless, pair_succ);
- MC_UNSET_RAW_MEM;
-
- MC_ddfs_stateless(search_cycle);
-
- /* Restore system before checking others successors */
- if(cursor != (xbt_dynar_length(successors) - 1))
- MC_replay_liveness(mc_stack_liveness_stateless, 1);
-
- }else{
-
- XBT_DEBUG("Next pair already visited");
-
- if(search_cycle == 1){
-
- if((pair_succ->automaton_state->type == 1) || (pair_succ->automaton_state->type == 2)){
-
- if(reached(pair_succ->automaton_state) == 1){
-
- 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));
-
- 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);
-
- }
-
- }
- }
-
- }
- }
+ }else{
+
+ while((req = MC_state_get_request(current_pair->graph_state, &value)) != NULL){
+
+ MC_SET_RAW_MEM;
+ if(dot_output != NULL){
+ if(initial_state_liveness->prev_pair != 0 && initial_state_liveness->prev_pair != current_pair->num){
+ fprintf(dot_output, "\"%d\" -> \"%d\" [%s];\n", initial_state_liveness->prev_pair, current_pair->num, initial_state_liveness->prev_req);
+ xbt_free(initial_state_liveness->prev_req);
+ }
+ initial_state_liveness->prev_pair = current_pair->num;
+ }
+ MC_UNSET_RAW_MEM;
+
+ /* 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_SET_RAW_MEM;
+ if(dot_output != NULL){
+ initial_state_liveness->prev_req = MC_request_get_dot_output(req, value);
+ if(current_pair->search_cycle)
+ fprintf(dot_output, "%d [shape=doublecircle];\n", current_pair->num);
+ }
+ MC_UNSET_RAW_MEM;
+
+ MC_state_set_executed_request(current_pair->graph_state, req, value);
+ mc_stats->executed_transitions++;
+
+ /* Answer the request */
+ SIMIX_simcall_pre(req, value);
+
+ /* Wait for requests (schedules processes) */
+ MC_wait_for_requests();
+
+ MC_SET_RAW_MEM;
+ prop_values = get_atomic_propositions_values();
+ MC_UNSET_RAW_MEM;
+
+ /* Evaluate enabled transition according to atomic propositions values */
+ cursor= 0;
+ xbt_dynar_foreach(current_pair->automaton_state->out, cursor, transition_succ){
+
+ res = MC_automaton_evaluate_label(transition_succ->label, prop_values);
+
+ if(res == 1){ // enabled transition in automaton
+
+ MC_SET_RAW_MEM;
+
+ next_pair = MC_pair_new();
+ next_pair->graph_state = MC_state_new();
+ next_pair->automaton_state = transition_succ->dst;
+ next_pair->atomic_propositions = get_atomic_propositions_values();
+
+ /* 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_pair->graph_state, process);
+ }
+ }
+
+ next_pair->requests = MC_state_interleave_size(next_pair->graph_state);
+
+ if(next_pair->automaton_state->type == 1 || next_pair->automaton_state->type == 2 || current_pair->search_cycle)
+ next_pair->search_cycle = 1;
+
+ xbt_fifo_unshift(mc_stack_liveness, next_pair);
+
+ if(mc_stats->expanded_pairs%1000000 == 0)
+ XBT_INFO("Expanded pairs : %lu", mc_stats->expanded_pairs);
+
+ MC_UNSET_RAW_MEM;
+
+ MC_ddfs();
+
+ }
+
+ }
+
+ /* Then, evaluate true transitions (always true, whatever atomic propositions values) */
+ cursor = 0;
+ xbt_dynar_foreach(current_pair->automaton_state->out, cursor, transition_succ){
+
+ res = MC_automaton_evaluate_label(transition_succ->label, prop_values);
+
+ if(res == 2){ // true transition in automaton
+
+ MC_SET_RAW_MEM;
+
+ next_pair = MC_pair_new();
+ next_pair->graph_state = MC_state_new();
+ next_pair->automaton_state = transition_succ->dst;
+ next_pair->atomic_propositions = get_atomic_propositions_values();
+
+ /* 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_pair->graph_state, process);
+ }
+ }
+
+ next_pair->requests = MC_state_interleave_size(next_pair->graph_state);
+
+ if(next_pair->automaton_state->type == 1 || next_pair->automaton_state->type == 2 || current_pair->search_cycle)
+ next_pair->search_cycle = 1;
+
+ xbt_fifo_unshift(mc_stack_liveness, next_pair);
+
+ if(mc_stats->expanded_pairs%1000000 == 0)
+ XBT_INFO("Expanded pairs : %lu", mc_stats->expanded_pairs);
+
+ MC_UNSET_RAW_MEM;
+
+ MC_ddfs();
+
+ }
+
+ }
+
+ if(MC_state_interleave_size(current_pair->graph_state) > 0){
+ XBT_DEBUG("Backtracking to depth %d", xbt_fifo_size(mc_stack_liveness));
+ MC_replay_liveness(mc_stack_liveness, 0);
+ }
+
+ }