+ /* Reduction on visited states disabled for the first execution
+ path if the detection of the communication determinism is
+ enabled (we need to a complete initial communication pattern) */
+ if ((_sg_mc_visited == 0) ||
+ ((_sg_mc_comms_determinism || _sg_mc_send_determinism)
+ && !initial_state_safety->initial_communications_pattern_done))
+ return -1;
+
+ int raw_mem_set = (mmalloc_get_current_heap() == mc_heap);
+
+ MC_SET_MC_HEAP;
+
+ mc_visited_state_t new_state = visited_state_new();
+
+ if (xbt_dynar_is_empty(visited_states)) {
+
+ xbt_dynar_push(visited_states, &new_state);
+
+ if (!raw_mem_set)
+ MC_SET_STD_HEAP;
+
+ return -1;
+
+ } else {
+
+ int min = -1, max = -1, index;
+ //int res;
+ mc_visited_state_t state_test;
+ int cursor;
+
+ index = get_search_interval(visited_states, new_state, &min, &max);
+
+ if (min != -1 && max != -1) {
+
+ // Parallell implementation
+ /*res = xbt_parmap_mc_apply(parmap, snapshot_compare, xbt_dynar_get_ptr(visited_states, min), (max-min)+1, new_state);
+ if(res != -1){
+ state_test = (mc_visited_state_t)xbt_dynar_get_as(visited_states, (min+res)-1, mc_visited_state_t);
+ if(state_test->other_num == -1)
+ new_state->other_num = state_test->num;
+ else
+ new_state->other_num = state_test->other_num;
+ if(dot_output == NULL)
+ XBT_DEBUG("State %d already visited ! (equal to state %d)", new_state->num, state_test->num);
+ else
+ XBT_DEBUG("State %d already visited ! (equal to state %d (state %d in dot_output))", new_state->num, state_test->num, new_state->other_num);
+ xbt_dynar_remove_at(visited_states, (min + res) - 1, NULL);
+ xbt_dynar_insert_at(visited_states, (min+res) - 1, &new_state);
+ if(!raw_mem_set)
+ MC_SET_STD_HEAP;
+ return new_state->other_num;
+ } */
+
+ cursor = min;
+ while (cursor <= max) {
+ state_test =
+ (mc_visited_state_t) xbt_dynar_get_as(visited_states, cursor,
+ mc_visited_state_t);
+ if (snapshot_compare(state_test, new_state) == 0) {
+ // The state has been visited:
+
+ if (state_test->other_num == -1)
+ new_state->other_num = state_test->num;
+ else
+ new_state->other_num = state_test->other_num;
+ if (dot_output == NULL)
+ XBT_DEBUG("State %d already visited ! (equal to state %d)",
+ new_state->num, state_test->num);
+ else
+ XBT_DEBUG
+ ("State %d already visited ! (equal to state %d (state %d in dot_output))",
+ new_state->num, state_test->num, new_state->other_num);
+
+ // Replace the old state with the new one (why?):
+ xbt_dynar_remove_at(visited_states, cursor, NULL);
+ xbt_dynar_insert_at(visited_states, cursor, &new_state);
+
+ if (!raw_mem_set)
+ MC_SET_STD_HEAP;
+ return new_state->other_num;
+ }
+ cursor++;
+ }