xbt_dynar_t initial_pairs = NULL;
int max_pair = 0;
xbt_dynar_t reached_pairs;
+extern mc_snapshot_t initial_snapshot;
mc_pair_t new_pair(mc_snapshot_t sn, mc_state_t sg, xbt_state_t st){
mc_pair_t p = NULL;
}
-
int reached(mc_pair_t pair){
char* hash_reached = malloc(sizeof(char)*160);
}
-void MC_show_snapshot_stack(xbt_fifo_t stack){
- int value;
- mc_pair_t pair;
- xbt_fifo_item_t item;
- smx_req_t req;
- char *req_str = NULL;
-
- for (item = xbt_fifo_get_last_item(stack);
- (item ? (pair = (mc_pair_t) (xbt_fifo_get_item_content(item)))
- : (NULL)); item = xbt_fifo_get_prev_item(item)) {
- req = MC_state_get_executed_request(pair->graph_state, &value);
- if(req){
- req_str = MC_request_to_string(req, value);
- XBT_INFO("%s", req_str);
- xbt_free(req_str);
- }
- }
-}
-
-void MC_dump_snapshot_stack(xbt_fifo_t stack){
- mc_pair_t pair;
-
- MC_SET_RAW_MEM;
- while ((pair = (mc_pair_t) xbt_fifo_pop(stack)) != NULL)
- MC_pair_delete(pair);
- MC_UNSET_RAW_MEM;
-}
-
void MC_pair_delete(mc_pair_t pair){
xbt_free(pair->graph_state->proc_status);
xbt_free(pair->graph_state);
}
-void MC_vddfs_with_restore_snapshot_init(xbt_automaton_t a){
+void MC_vddfs_stateful_init(xbt_automaton_t a){
XBT_DEBUG("**************************************************");
- XBT_DEBUG("Double-DFS with visited state and restore snapshot init");
+ XBT_DEBUG("Double-DFS stateful with visited state init");
XBT_DEBUG("**************************************************");
mc_pair_t mc_initial_pair;
xbt_dynar_foreach(successors, cursor, pair_succ){
MC_SET_RAW_MEM;
- xbt_fifo_unshift(mc_snapshot_stack, pair_succ);
+ xbt_fifo_unshift(mc_stack_liveness_stateful, pair_succ);
set_pair_visited(pair_succ, 0);
MC_UNSET_RAW_MEM;
if(cursor == 0){
- MC_vddfs_with_restore_snapshot(a, 0, 0);
+ MC_vddfs_stateful(a, 0, 0);
}else{
- MC_vddfs_with_restore_snapshot(a, 0, 1);
+ MC_vddfs_stateful(a, 0, 1);
}
}
}
-void MC_vddfs_with_restore_snapshot(xbt_automaton_t a, int search_cycle, int restore){
+void MC_vddfs_stateful(xbt_automaton_t a, int search_cycle, int restore){
smx_process_t process = NULL;
- if(xbt_fifo_size(mc_snapshot_stack) == 0)
+ if(xbt_fifo_size(mc_stack_liveness_stateful) == 0)
return;
if(restore == 1){
- MC_restore_snapshot(((mc_pair_t)xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_snapshot_stack)))->system_state);
+ MC_restore_snapshot(((mc_pair_t)xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_stack_liveness_stateful)))->system_state);
MC_UNSET_RAW_MEM;
}
/* Get current state */
- mc_pair_t current_pair = (mc_pair_t)xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_snapshot_stack));
+ mc_pair_t current_pair = (mc_pair_t)xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_stack_liveness_stateful));
if(restore==1){
xbt_swag_foreach(process, simix_global->process_list){
XBT_INFO("| ACCEPTANCE CYCLE |");
XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*");
XBT_INFO("Counter-example that violates formula :");
- MC_show_snapshot_stack(mc_snapshot_stack);
- MC_dump_snapshot_stack(mc_snapshot_stack);
+ MC_show_stack_liveness_stateful(mc_stack_liveness_stateful);
+ MC_dump_stack_liveness_stateful(mc_stack_liveness_stateful);
MC_print_statistics_pairs(mc_stats_pair);
exit(0);
}
mc_stats_pair->executed_transitions++;
MC_SET_RAW_MEM;
- xbt_fifo_unshift(mc_snapshot_stack, pair_succ);
+ xbt_fifo_unshift(mc_stack_liveness_stateful, pair_succ);
set_pair_visited(pair_succ, search_cycle);
MC_UNSET_RAW_MEM;
- MC_vddfs_with_restore_snapshot(a, search_cycle, 0);
+ MC_vddfs_stateful(a, search_cycle, 0);
if((search_cycle == 0) && (current_pair->automaton_state->type == 1)){
set_pair_reached(current_pair);
XBT_DEBUG("Acceptance pair : graph=%p, automaton=%p(%s)", current_pair->graph_state, current_pair->automaton_state, current_pair->automaton_state->id);
- MC_vddfs_with_restore_snapshot(a, 1, 1);
+ MC_vddfs_stateful(a, 1, 1);
}
}else{
MC_SET_RAW_MEM;
- xbt_fifo_shift(mc_snapshot_stack);
+ xbt_fifo_shift(mc_stack_liveness_stateful);
XBT_DEBUG("Pair (graph=%p, automaton =%p) shifted in snapshot_stack", current_pair->graph_state, current_pair->automaton_state);
MC_UNSET_RAW_MEM;
-/********************* Double-DFS without visited state *******************/
+/********************* Double-DFS stateful without visited state *******************/
-void MC_ddfs_with_restore_snapshot_init(xbt_automaton_t a){
+void MC_ddfs_stateful_init(xbt_automaton_t a){
XBT_DEBUG("**************************************************");
- XBT_DEBUG("Double-DFS without visited state and with restore snapshot init");
+ XBT_DEBUG("Double-DFS stateful without visited state init");
XBT_DEBUG("**************************************************");
mc_pair_t mc_initial_pair;
xbt_dynar_foreach(successors, cursor, pair_succ){
MC_SET_RAW_MEM;
- xbt_fifo_unshift(mc_snapshot_stack, pair_succ);
+ xbt_fifo_unshift(mc_stack_liveness_stateful, pair_succ);
MC_UNSET_RAW_MEM;
if(cursor == 0){
- MC_ddfs_with_restore_snapshot(a, 0, 0);
+ MC_ddfs_stateful(a, 0, 0);
}else{
- MC_ddfs_with_restore_snapshot(a, 0, 1);
+ MC_ddfs_stateful(a, 0, 1);
}
}
}
-void MC_ddfs_with_restore_snapshot(xbt_automaton_t a, int search_cycle, int restore){
+void MC_ddfs_stateful(xbt_automaton_t a, int search_cycle, int restore){
smx_process_t process = NULL;
- if(xbt_fifo_size(mc_snapshot_stack) == 0)
+ if(xbt_fifo_size(mc_stack_liveness_stateful) == 0)
return;
if(restore == 1){
- MC_restore_snapshot(((mc_pair_t)xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_snapshot_stack)))->system_state);
+ MC_restore_snapshot(((mc_pair_t)xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_stack_liveness_stateful)))->system_state);
MC_UNSET_RAW_MEM;
}
/* Get current state */
- mc_pair_t current_pair = (mc_pair_t)xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_snapshot_stack));
+ mc_pair_t current_pair = (mc_pair_t)xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_stack_liveness_stateful));
if(restore==1){
xbt_swag_foreach(process, simix_global->process_list){
XBT_INFO("| ACCEPTANCE CYCLE |");
XBT_INFO("*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*");
XBT_INFO("Counter-example that violates formula :");
- MC_show_snapshot_stack(mc_snapshot_stack);
- MC_dump_snapshot_stack(mc_snapshot_stack);
+ MC_show_stack_liveness_stateful(mc_stack_liveness_stateful);
+ MC_dump_stack_liveness_stateful(mc_stack_liveness_stateful);
MC_print_statistics_pairs(mc_stats_pair);
exit(0);
}
mc_stats_pair->executed_transitions++;
MC_SET_RAW_MEM;
- xbt_fifo_unshift(mc_snapshot_stack, pair_succ);
+ xbt_fifo_unshift(mc_stack_liveness_stateful, pair_succ);
MC_UNSET_RAW_MEM;
- MC_ddfs_with_restore_snapshot(a, search_cycle, 0);
+ MC_ddfs_stateful(a, search_cycle, 0);
if((search_cycle == 0) && (current_pair->automaton_state->type == 1)){
set_pair_reached(current_pair);
XBT_DEBUG("Acceptance pair : graph=%p, automaton=%p(%s)", current_pair->graph_state, current_pair->automaton_state, current_pair->automaton_state->id);
- MC_ddfs_with_restore_snapshot(a, 1, 1);
+ MC_ddfs_stateful(a, 1, 1);
}
}
MC_SET_RAW_MEM;
- xbt_fifo_shift(mc_snapshot_stack);
+ xbt_fifo_shift(mc_stack_liveness_stateful);
XBT_DEBUG("Pair (graph=%p, automaton =%p) shifted in snapshot_stack", current_pair->graph_state, current_pair->automaton_state);
MC_UNSET_RAW_MEM;
}
+
+
+/********************* 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 stateless 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);
+
+ /* Save the initial state */
+ initial_snapshot = xbt_new0(s_mc_snapshot_t, 1);
+ MC_take_snapshot(initial_snapshot);
+
+ 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 replay){
+
+ smx_process_t process = NULL;
+
+
+ if(xbt_fifo_size(mc_stack_liveness_stateless) == 0)
+ return;
+
+ /* Get current state */
+ mc_pair_stateless_t current_pair = (mc_pair_stateless_t)xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_stack_liveness_stateless));
+
+ XBT_DEBUG("********************* ( Depth = %d, search_cycle = %d )", xbt_fifo_size(mc_stack_liveness_stateless), search_cycle);
+ 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));
+
+
+ mc_stats_pair->visited_pairs++;
+
+ int value;
+ mc_state_t next_graph_state = NULL;
+ smx_req_t req = NULL;
+ char *req_str;
+
+ mc_pair_stateless_t pair_succ;
+ xbt_transition_t transition_succ;
+ unsigned int cursor;
+ int res;
+
+ xbt_dynar_t successors;
+
+ mc_pair_stateless_t next_pair;
+
+ while((req = MC_state_get_request(current_pair->graph_state, &value)) != NULL){
+
+ //XBT_DEBUG("Interleave size %u", MC_state_interleave_size(current_pair->graph_state));
+
+ /* 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);
+ }
+
+ //sleep(1);
+
+ MC_state_set_executed_request(current_pair->graph_state, req, value);
+
+ /* Answer the request */
+ SIMIX_request_pre(req, value);
+
+ /* Wait for requests (schedules processes) */
+ MC_wait_for_requests();
+
+
+ /* Create the new expanded graph_state */
+ MC_SET_RAW_MEM;
+
+ 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);
+ }
+ }
+
+ successors = xbt_dynar_new(sizeof(mc_pair_stateless_t), NULL);
+
+ MC_UNSET_RAW_MEM;
+
+ //xbt_dynar_reset(successors);
+
+ cursor = 0;
+
+ xbt_dynar_foreach(current_pair->automaton_state->out, cursor, transition_succ){
+
+ res = MC_automaton_evaluate_label(a, transition_succ->label);
+
+ MC_SET_RAW_MEM;
+
+ if((res == 1) || (res == 2)){ // enabled transition in automaton
+ next_pair = new_pair_stateless(next_graph_state, transition_succ->dst);
+ xbt_dynar_push(successors, &next_pair);
+ }
+
+ MC_UNSET_RAW_MEM;
+ }
+
+
+ if(xbt_dynar_length(successors) == 0){
+
+ MC_SET_RAW_MEM;
+ next_pair = new_pair_stateless(next_graph_state, current_pair->automaton_state);
+ xbt_dynar_push(successors, &next_pair);
+ MC_UNSET_RAW_MEM;
+
+ }
+
+ cursor = 0;
+
+ xbt_dynar_foreach(successors, cursor, pair_succ){
+
+ if((search_cycle == 1) && (reached_stateless(pair_succ) == 1)){
+ 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);
+ }
+
+ mc_stats_pair->executed_transitions++;
+
+ MC_SET_RAW_MEM;
+ xbt_fifo_unshift(mc_stack_liveness_stateless, pair_succ);
+ MC_UNSET_RAW_MEM;
+
+
+
+ MC_ddfs_stateless(a, search_cycle, 0);
+
+ if((search_cycle == 0) && (current_pair->automaton_state->type == 1)){
+
+ set_pair_stateless_reached(current_pair);
+ XBT_DEBUG("Acceptance pair : graph=%p, automaton=%p(%s)", current_pair->graph_state, current_pair->automaton_state, current_pair->automaton_state->id);
+ MC_replay_liveness(mc_stack_liveness_stateless);
+ MC_ddfs_stateless(a, 1, 1);
+
+ }
+ }
+
+ if(MC_state_interleave_size(current_pair->graph_state) > 0){
+ XBT_DEBUG("Backtracking to depth %u", xbt_fifo_size(mc_stack_liveness_stateless));
+ MC_replay_liveness(mc_stack_liveness_stateless);
+ }
+ }
+
+
+ MC_SET_RAW_MEM;
+ xbt_fifo_shift(mc_stack_liveness_stateless);
+ XBT_DEBUG("Pair (graph=%p, automaton =%p) shifted in stack", current_pair->graph_state, current_pair->automaton_state);
+ MC_UNSET_RAW_MEM;
+
+}
+
