if(wait(&status) < 0)
perror("wait");
if(WIFSIGNALED(status) && WCOREDUMP(status)){
- char *core_name = malloc(20);
+ char *core_name = xbt_malloc(20);
sprintf(core_name,"core_%d", pair);
rename("core", core_name);
free(core_name);
return 0;
}
-void MC_print_comparison_times_statistics(mc_comparison_times_t ct){
-
- XBT_DEBUG("Comparisons done : %d", ct->nb_comparisons);
-
- double total, min, max;
- unsigned int cursor;
-
- if(xbt_dynar_length(ct->chunks_used_comparison_times) > 0){
- cursor = 0;
- total = 0.0;
- max = 0.0;
- min = xbt_dynar_get_as(ct->chunks_used_comparison_times, cursor, double);
- while(cursor < xbt_dynar_length(ct->chunks_used_comparison_times) - 1){
- total += xbt_dynar_get_as(ct->chunks_used_comparison_times, cursor, double);
- if(xbt_dynar_get_as(ct->chunks_used_comparison_times, cursor, double) > max)
- max = xbt_dynar_get_as(ct->chunks_used_comparison_times, cursor, double);
- if(xbt_dynar_get_as(ct->chunks_used_comparison_times, cursor, double) < min)
- min = xbt_dynar_get_as(ct->chunks_used_comparison_times, cursor, double);
- cursor++;
- }
- XBT_DEBUG("Chunks used comparison -- Different states : %lu/%d, time (in seconds) : average = %lf, max = %lf, min = %lf", xbt_dynar_length(ct->chunks_used_comparison_times), ct->nb_comparisons, total/xbt_dynar_length(ct->chunks_used_comparison_times), max, min);
- }
-
- if(xbt_dynar_length(ct->stacks_sizes_comparison_times) > 0){
- cursor = 0;
- total = 0.0;
- max = 0.0;
- min = xbt_dynar_get_as(ct->stacks_sizes_comparison_times, cursor, double);
- while(cursor < xbt_dynar_length(ct->stacks_sizes_comparison_times) - 1){
- total += xbt_dynar_get_as(ct->stacks_sizes_comparison_times, cursor, double);
- if(xbt_dynar_get_as(ct->stacks_sizes_comparison_times, cursor, double) > max)
- max = xbt_dynar_get_as(ct->stacks_sizes_comparison_times, cursor, double);
- if(xbt_dynar_get_as(ct->stacks_sizes_comparison_times, cursor, double) < min)
- min = xbt_dynar_get_as(ct->stacks_sizes_comparison_times, cursor, double);
- cursor++;
- }
- XBT_DEBUG("Stacks sizes comparison -- Different states : %lu/%d, time (in seconds) : average = %lf, max = %lf, min = %lf", xbt_dynar_length(ct->stacks_sizes_comparison_times), ct->nb_comparisons, total/xbt_dynar_length(ct->stacks_sizes_comparison_times), max, min);
- }
-
- if(xbt_dynar_length(ct->program_data_segment_comparison_times) > 0){
- cursor = 0;
- total = 0.0;
- max = 0.0;
- min = xbt_dynar_get_as(ct->program_data_segment_comparison_times, cursor, double);
- while(cursor < xbt_dynar_length(ct->program_data_segment_comparison_times) - 1){
- total += xbt_dynar_get_as(ct->program_data_segment_comparison_times, cursor, double);
- if(xbt_dynar_get_as(ct->program_data_segment_comparison_times, cursor, double) > max)
- max = xbt_dynar_get_as(ct->program_data_segment_comparison_times, cursor, double);
- if(xbt_dynar_get_as(ct->program_data_segment_comparison_times, cursor, double) < min)
- min = xbt_dynar_get_as(ct->program_data_segment_comparison_times, cursor, double);
- cursor++;
- }
- XBT_DEBUG("Program data/bss segments comparison -- Different states : %lu/%d, time (in seconds) : average = %lf, max = %lf, min = %lf", xbt_dynar_length(ct->program_data_segment_comparison_times), ct->nb_comparisons, total/xbt_dynar_length(ct->program_data_segment_comparison_times), max, min);
- }
-
- if(xbt_dynar_length(ct->libsimgrid_data_segment_comparison_times) > 0){
- cursor = 0;
- total = 0.0;
- max = 0.0;
- min = xbt_dynar_get_as(ct->libsimgrid_data_segment_comparison_times, cursor, double);
- while(cursor < xbt_dynar_length(ct->libsimgrid_data_segment_comparison_times) - 1){
- total += xbt_dynar_get_as(ct->libsimgrid_data_segment_comparison_times, cursor, double);
- if(xbt_dynar_get_as(ct->libsimgrid_data_segment_comparison_times, cursor, double) > max)
- max = xbt_dynar_get_as(ct->libsimgrid_data_segment_comparison_times, cursor, double);
- if(xbt_dynar_get_as(ct->libsimgrid_data_segment_comparison_times, cursor, double) < min)
- min = xbt_dynar_get_as(ct->libsimgrid_data_segment_comparison_times, cursor, double);
- cursor++;
- }
- XBT_DEBUG("Libsimgrid data/bss segments comparison -- Different states : %lu/%d, time (in seconds) : average = %lf, max = %lf, min = %lf", xbt_dynar_length(ct->libsimgrid_data_segment_comparison_times), ct->nb_comparisons, total/xbt_dynar_length(ct->libsimgrid_data_segment_comparison_times), max, min);
- }
-
- if(xbt_dynar_length(ct->heap_comparison_times) > 0){
- cursor = 0;
- total = 0.0;
- max = 0.0;
- min = xbt_dynar_get_as(ct->heap_comparison_times, cursor, double);
- while(cursor < xbt_dynar_length(ct->heap_comparison_times) - 1){
- total += xbt_dynar_get_as(ct->heap_comparison_times, cursor, double);
- if(xbt_dynar_get_as(ct->heap_comparison_times, cursor, double) > max)
- max = xbt_dynar_get_as(ct->heap_comparison_times, cursor, double);
- if(xbt_dynar_get_as(ct->heap_comparison_times, cursor, double) < min)
- min = xbt_dynar_get_as(ct->heap_comparison_times, cursor, double);
- cursor++;
- }
- XBT_DEBUG("Heap comparison -- Different states : %lu/%d, time (in seconds) : average = %lf, max = %lf, min = %lf", xbt_dynar_length(ct->heap_comparison_times), ct->nb_comparisons, total/xbt_dynar_length(ct->heap_comparison_times), max, min);
- }
-
- if(xbt_dynar_length(ct->stacks_comparison_times) > 0){
- cursor = 0;
- total = 0.0;
- max = 0.0;
- min = xbt_dynar_get_as(ct->stacks_comparison_times, cursor, double);
- while(cursor < xbt_dynar_length(ct->stacks_comparison_times) - 1){
- total += xbt_dynar_get_as(ct->stacks_comparison_times, cursor, double);
- if(xbt_dynar_get_as(ct->stacks_comparison_times, cursor, double) > max)
- max = xbt_dynar_get_as(ct->stacks_comparison_times, cursor, double);
- if(xbt_dynar_get_as(ct->stacks_comparison_times, cursor, double) < min)
- min = xbt_dynar_get_as(ct->stacks_comparison_times, cursor, double);
- cursor++;
- }
- XBT_DEBUG("Stacks comparison -- Different states : %lu/%d, time (in seconds) : average = %lf, max = %lf, min = %lf", xbt_dynar_length(ct->stacks_comparison_times), ct->nb_comparisons, total/xbt_dynar_length(ct->stacks_comparison_times), max, min);
- }
-
- if(xbt_dynar_length(ct->snapshot_comparison_times) > 0){
- cursor = 0;
- total = 0.0;
- max = 0.0;
- min = xbt_dynar_get_as(ct->snapshot_comparison_times, cursor, double);
- while(cursor < xbt_dynar_length(ct->snapshot_comparison_times) - 1){
- total += xbt_dynar_get_as(ct->snapshot_comparison_times, cursor, double);
- if(xbt_dynar_get_as(ct->snapshot_comparison_times, cursor, double) > max)
- max = xbt_dynar_get_as(ct->snapshot_comparison_times, cursor, double);
- if(xbt_dynar_get_as(ct->snapshot_comparison_times, cursor, double) < min)
- min = xbt_dynar_get_as(ct->snapshot_comparison_times, cursor, double);
- cursor++;
- }
- XBT_DEBUG("Snapshot comparison (Whole funnel) -- Different states : %lu/%d, time (in seconds) : average = %lf, max = %lf, min = %lf", xbt_dynar_length(ct->snapshot_comparison_times), ct->nb_comparisons, total/xbt_dynar_length(ct->snapshot_comparison_times), max, min);
- }
-
-}
-
-mc_comparison_times_t new_comparison_times(){
- mc_comparison_times_t ct = NULL;
- ct = xbt_new0(s_mc_comparison_times_t, 1);
- ct->nb_comparisons = 0;
- ct->snapshot_comparison_times = xbt_dynar_new(sizeof(double), NULL);
- ct->chunks_used_comparison_times = xbt_dynar_new(sizeof(double), NULL);
- ct->stacks_sizes_comparison_times = xbt_dynar_new(sizeof(double), NULL);
- ct->program_data_segment_comparison_times = xbt_dynar_new(sizeof(double), NULL);
- ct->libsimgrid_data_segment_comparison_times = xbt_dynar_new(sizeof(double), NULL);
- ct->heap_comparison_times = xbt_dynar_new(sizeof(double), NULL);
- ct->stacks_comparison_times = xbt_dynar_new(sizeof(double), NULL);
- return ct;
-}
-
int reached(xbt_state_t st){
int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
new_pair->nb = xbt_dynar_length(reached_pairs) + 1;
new_pair->automaton_state = st;
new_pair->prop_ato = xbt_dynar_new(sizeof(int), NULL);
- new_pair->comparison_times = new_comparison_times();
- new_pair->system_state = MC_take_snapshot_liveness();
+ new_pair->system_state = MC_take_snapshot();
/* Get values of propositional symbols */
int res;
xbt_propositional_symbol_t ps = NULL;
xbt_dynar_foreach(_mc_property_automaton->propositional_symbols, cursor, ps){
f = (int_f_void_t)ps->function;
- res = (*f)();
+ res = f();
xbt_dynar_push_as(new_pair->prop_ato, int, res);
}
XBT_DEBUG("****** Pair reached #%d ******", pair_test->nb);
if(automaton_state_compare(pair_test->automaton_state, st) == 0){
if(propositional_symbols_compare_value(pair_test->prop_ato, new_pair->prop_ato) == 0){
- if(snapshot_compare(new_pair->system_state, pair_test->system_state, new_pair->comparison_times, pair_test->comparison_times) == 0){
+ if(snapshot_compare(new_pair->system_state, pair_test->system_state) == 0){
if(raw_mem_set)
MC_SET_RAW_MEM;
MC_UNSET_RAW_MEM;
return 1;
- }
+ }
}else{
- XBT_INFO("Different values of propositional symbols");
+ XBT_DEBUG("Different values of propositional symbols");
}
}else{
- XBT_INFO("Different automaton state");
- }
- if(pair_test->comparison_times != NULL && XBT_LOG_ISENABLED(mc_liveness, xbt_log_priority_debug)){
- XBT_DEBUG("*** Comparison times statistics ***");
- MC_print_comparison_times_statistics(pair_test->comparison_times);
+ XBT_DEBUG("Different automaton state");
}
}
pair->nb = xbt_dynar_length(reached_pairs) + 1;
pair->automaton_state = st;
pair->prop_ato = xbt_dynar_new(sizeof(int), NULL);
- pair->comparison_times = new_comparison_times();
- pair->system_state = MC_take_snapshot_liveness();
+ pair->system_state = MC_take_snapshot();
/* Get values of propositional symbols */
unsigned int cursor = 0;
xbt_dynar_foreach(_mc_property_automaton->propositional_symbols, cursor, ps){
f = (int_f_void_t)ps->function;
- res = (*f)();
+ res = f();
xbt_dynar_push_as(pair->prop_ato, int, res);
}
int visited(xbt_state_t st){
- if(_surf_mc_stateful == 0)
+ if(_sg_mc_visited == 0)
return 0;
int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
new_pair = xbt_new0(s_mc_pair_visited_t, 1);
new_pair->automaton_state = st;
new_pair->prop_ato = xbt_dynar_new(sizeof(int), NULL);
- new_pair->system_state = MC_take_snapshot_liveness();
+ new_pair->system_state = MC_take_snapshot();
/* Get values of propositional symbols */
int res;
xbt_propositional_symbol_t ps = NULL;
xbt_dynar_foreach(_mc_property_automaton->propositional_symbols, cursor, ps){
f = (int_f_void_t)ps->function;
- res = (*f)();
+ res = f();
xbt_dynar_push_as(new_pair->prop_ato, int, res);
}
XBT_DEBUG("****** Pair visited #%d ******", cursor + 1);
if(automaton_state_compare(pair_test->automaton_state, st) == 0){
if(propositional_symbols_compare_value(pair_test->prop_ato, new_pair->prop_ato) == 0){
- if(snapshot_compare(new_pair->system_state, pair_test->system_state, NULL, NULL) == 0){
+ if(snapshot_compare(new_pair->system_state, pair_test->system_state) == 0){
if(raw_mem_set)
MC_SET_RAW_MEM;
else
return 1;
}
}else{
- XBT_INFO("Different values of propositional symbols");
+ XBT_DEBUG("Different values of propositional symbols");
}
}else{
- XBT_INFO("Different automaton state");
+ XBT_DEBUG("Different automaton state");
}
}
- if(xbt_dynar_length(visited_pairs) == _surf_mc_stateful){
+ if(xbt_dynar_length(visited_pairs) == _sg_mc_visited){
xbt_dynar_remove_at(visited_pairs, 0, NULL);
}
xbt_dynar_foreach(_mc_property_automaton->propositional_symbols, cursor, p){
if(strcmp(p->pred, l->u.predicat) == 0){
f = (int_f_void_t)p->function;
- return (*f)();
+ return f();
}
}
return -1;
void pair_visited_free(mc_pair_visited_t pair){
if(pair){
- pair->automaton_state = NULL;
xbt_dynar_free(&(pair->prop_ato));
MC_free_snapshot(pair->system_state);
xbt_free(pair);
void pair_reached_free(mc_pair_reached_t pair){
if(pair){
- pair->automaton_state = NULL;
xbt_dynar_free(&(pair->prop_ato));
MC_free_snapshot(pair->system_state);
xbt_free(pair);
initial_state_liveness->raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
- XBT_INFO("**************************************************");
- XBT_INFO("Double-DFS init");
- XBT_INFO("**************************************************");
+ XBT_DEBUG("**************************************************");
+ XBT_DEBUG("Double-DFS init");
+ XBT_DEBUG("**************************************************");
mc_pair_stateless_t mc_initial_pair = NULL;
mc_state_t initial_graph_state = NULL;
successors = xbt_dynar_new(sizeof(mc_pair_stateless_t), NULL);
/* Save the initial state */
- initial_state_liveness->snapshot = MC_take_snapshot_liveness();
+ initial_state_liveness->snapshot = MC_take_snapshot();
MC_UNSET_RAW_MEM;
mc_pair_stateless_t remove_pair;
mc_pair_reached_t remove_pair_reached;
- if(xbt_fifo_size(mc_stack_liveness) < _surf_mc_max_depth){
+ if(xbt_fifo_size(mc_stack_liveness) < _sg_mc_max_depth){
if(current_pair->requests > 0){
/* Debug information */
- req_str = MC_request_to_string(req, value);
- XBT_DEBUG("Execute: %s", req_str);
- xbt_free(req_str);
+ 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);
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)){
XBT_DEBUG("Process %lu enabled with simcall : %d", process->pid, (&process->simcall)->call);
MC_show_stack_liveness(mc_stack_liveness);
MC_dump_stack_liveness(mc_stack_liveness);
MC_print_statistics_pairs(mc_stats_pair);
- exit(0);
+ xbt_abort();
}else{
- XBT_INFO("Next pair (depth = %d) -> Acceptance pair (%s)", xbt_fifo_size(mc_stack_liveness) + 1, pair_succ->automaton_state->id);
+ if(visited(pair_succ->automaton_state)){
+
+ XBT_DEBUG("Next pair already visited !");
+ break;
+
+ }else{
+
+ XBT_INFO("Next pair (depth = %d) -> Acceptance pair (%s)", xbt_fifo_size(mc_stack_liveness) + 1, pair_succ->automaton_state->id);
- XBT_INFO("Reached pairs : %lu", xbt_dynar_length(reached_pairs));
+ XBT_INFO("Reached pairs : %lu", xbt_dynar_length(reached_pairs));
- MC_SET_RAW_MEM;
- xbt_fifo_unshift(mc_stack_liveness, pair_succ);
- MC_UNSET_RAW_MEM;
+ MC_SET_RAW_MEM;
+ xbt_fifo_unshift(mc_stack_liveness, pair_succ);
+ MC_UNSET_RAW_MEM;
- MC_ddfs(search_cycle);
+ MC_ddfs(search_cycle);
+
+ }
}
}else{
+
+ if(visited(pair_succ->automaton_state)){
+
+ XBT_DEBUG("Next pair already visited !");
+ break;
+
+ }else{
- MC_SET_RAW_MEM;
- xbt_fifo_unshift(mc_stack_liveness, pair_succ);
- MC_UNSET_RAW_MEM;
+ MC_SET_RAW_MEM;
+ xbt_fifo_unshift(mc_stack_liveness, pair_succ);
+ MC_UNSET_RAW_MEM;
- MC_ddfs(search_cycle);
+ MC_ddfs(search_cycle);
+
+ }
}
}else{
- if(((pair_succ->automaton_state->type == 1) || (pair_succ->automaton_state->type == 2))){
+ if(visited(pair_succ->automaton_state)){
+
+ XBT_DEBUG("Next pair already visited !");
+ break;
+
+ }else{
- set_pair_reached(pair_succ->automaton_state);
+ if(((pair_succ->automaton_state->type == 1) || (pair_succ->automaton_state->type == 2))){
+
+ set_pair_reached(pair_succ->automaton_state);
- search_cycle = 1;
+ search_cycle = 1;
- XBT_INFO("Reached pairs : %lu", xbt_dynar_length(reached_pairs));
+ XBT_INFO("Reached pairs : %lu", xbt_dynar_length(reached_pairs));
- }
+ }
- MC_SET_RAW_MEM;
- xbt_fifo_unshift(mc_stack_liveness, pair_succ);
- MC_UNSET_RAW_MEM;
+ MC_SET_RAW_MEM;
+ xbt_fifo_unshift(mc_stack_liveness, pair_succ);
+ MC_UNSET_RAW_MEM;
- MC_ddfs(search_cycle);
+ MC_ddfs(search_cycle);
+
+ }
}
}else{
- XBT_DEBUG("Max depth reached");
-
+ XBT_WARN("/!\\ Max depth reached ! /!\\ ");
+ if(current_pair->requests > 0){
+ XBT_WARN("/!\\ But, there are still processes to interleave. Model-checker will not be able to ensure the soundness of the verification from now. /!\\ ");
+ XBT_WARN("Notice : the default value of max depth is 1000 but you can change it with cfg=model-check/max_depth:value.");
+ }
+
}
- if(xbt_fifo_size(mc_stack_liveness) == _surf_mc_max_depth ){
+ if(xbt_fifo_size(mc_stack_liveness) == _sg_mc_max_depth ){
XBT_DEBUG("Pair (depth = %d) shifted in stack, maximum depth reached", xbt_fifo_size(mc_stack_liveness) );
}else{
XBT_DEBUG("Pair (depth = %d) shifted in stack", xbt_fifo_size(mc_stack_liveness) );