+
+
+/********************* Double-DFS stateless *******************/
+
+void MC_pair_stateless_delete(mc_pair_stateless_t pair){
+ xbt_free(pair->graph_state->proc_status);
+ xbt_free(pair->graph_state);
+ //xbt_free(pair->automaton_state); -> FIXME : à implémenter
+ xbt_free(pair);
+}
+
+mc_pair_stateless_t new_pair_stateless(mc_state_t sg, xbt_state_t st){
+ mc_pair_stateless_t p = NULL;
+ p = xbt_new0(s_mc_pair_stateless_t, 1);
+ p->automaton_state = st;
+ p->graph_state = sg;
+ mc_stats_pair->expanded_pairs++;
+ return p;
+}
+
+
+int reached_stateless(mc_pair_stateless_t pair){
+
+ char* hash_reached = malloc(sizeof(char)*160);
+ unsigned int c= 0;
+
+ MC_SET_RAW_MEM;
+ char *hash = malloc(sizeof(char)*160);
+ xbt_sha((char *)&pair, hash);
+ xbt_dynar_foreach(reached_pairs, c, hash_reached){
+ if(strcmp(hash, hash_reached) == 0){
+ MC_UNSET_RAW_MEM;
+ return 1;
+ }
+ }
+
+ MC_UNSET_RAW_MEM;
+ return 0;
+}
+
+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);
+ xbt_dynar_push(reached_pairs, &hash);
+ MC_UNSET_RAW_MEM;
+ }
+
+}
+
+
+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("**************************************************");
+
+ mc_pair_stateless_t mc_initial_pair;
+ mc_state_t initial_graph_state;
+ smx_process_t process;
+
+ MC_wait_for_requests();
+
+ MC_SET_RAW_MEM;
+
+ initial_graph_state = MC_state_pair_new();
+ xbt_swag_foreach(process, simix_global->process_list){
+ if(MC_process_is_enabled(process)){
+ MC_state_interleave_process(initial_graph_state, process);
+ }
+ }
+
+ reached_pairs = xbt_dynar_new(sizeof(char *), NULL);
+
+ MC_UNSET_RAW_MEM;
+
+ /* regarder dans l'automate toutes les transitions activables grâce à l'état initial du système
+ -> donnera les états initiaux de la propriété consistants avec l'état initial du système */
+
+ unsigned int cursor = 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;
+
+ 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)){
+
+ 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;
+
+ if(xbt_dynar_length(successors) == 0){
+ xbt_dynar_foreach(a->states, cursor, state){
+ if(state->type == -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;
+ xbt_dynar_foreach(successors, cursor, pair_succ){
+ MC_SET_RAW_MEM;
+
+ xbt_fifo_unshift(mc_stack_liveness_stateless, pair_succ);
+
+ MC_UNSET_RAW_MEM;
+
+ if(cursor == 0){
+ MC_ddfs_stateless(a, 0, 0);
+ }else{
+ MC_ddfs_stateless(a, 0, 1);
+ }
+ }
+}
+
+
+void MC_ddfs_stateless(xbt_automaton_t a, int search_cycle, int restore){
+
+
+}
+
