1 /* Copyright (c) 2008-2014. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
14 #include "simgrid/sg_config.h"
15 #include "../surf/surf_private.h"
16 #include "../simix/smx_private.h"
17 #include "../xbt/mmalloc/mmprivate.h"
19 #include "mc_private.h"
20 #include "xbt/automaton.h"
23 XBT_LOG_NEW_CATEGORY(mc, "All MC categories");
24 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_global, mc,
25 "Logging specific to MC (global)");
27 /* Configuration support */
28 e_mc_reduce_t mc_reduce_kind = e_mc_reduce_unset;
30 int _sg_do_model_check = 0;
31 int _sg_mc_checkpoint = 0;
32 char *_sg_mc_property_file = NULL;
33 int _sg_mc_timeout = 0;
35 int _sg_mc_max_depth = 1000;
36 int _sg_mc_visited = 0;
37 char *_sg_mc_dot_output_file = NULL;
38 int _sg_mc_comms_determinism = 0;
39 int _sg_mc_send_determinism = 0;
40 int _sg_mc_safety = 0;
41 int _sg_mc_liveness = 0;
43 int user_max_depth_reached = 0;
45 void _mc_cfg_cb_reduce(const char *name, int pos)
47 if (_sg_cfg_init_status && !_sg_do_model_check) {
49 ("You are specifying a reduction strategy after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
51 char *val = xbt_cfg_get_string(_sg_cfg_set, name);
52 if (!strcasecmp(val, "none")) {
53 mc_reduce_kind = e_mc_reduce_none;
54 } else if (!strcasecmp(val, "dpor")) {
55 mc_reduce_kind = e_mc_reduce_dpor;
57 xbt_die("configuration option %s can only take 'none' or 'dpor' as a value",
62 void _mc_cfg_cb_checkpoint(const char *name, int pos)
64 if (_sg_cfg_init_status && !_sg_do_model_check) {
66 ("You are specifying a checkpointing value after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
68 _sg_mc_checkpoint = xbt_cfg_get_int(_sg_cfg_set, name);
71 void _mc_cfg_cb_property(const char *name, int pos)
73 if (_sg_cfg_init_status && !_sg_do_model_check) {
75 ("You are specifying a property after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
77 _sg_mc_property_file = xbt_cfg_get_string(_sg_cfg_set, name);
80 void _mc_cfg_cb_timeout(const char *name, int pos)
82 if (_sg_cfg_init_status && !_sg_do_model_check) {
84 ("You are specifying a value to enable/disable timeout for wait requests after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
86 _sg_mc_timeout = xbt_cfg_get_boolean(_sg_cfg_set, name);
89 void _mc_cfg_cb_hash(const char *name, int pos)
91 if (_sg_cfg_init_status && !_sg_do_model_check) {
93 ("You are specifying a value to enable/disable the use of global hash to speedup state comparaison, but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
95 _sg_mc_hash = xbt_cfg_get_boolean(_sg_cfg_set, name);
98 void _mc_cfg_cb_max_depth(const char *name, int pos)
100 if (_sg_cfg_init_status && !_sg_do_model_check) {
102 ("You are specifying a max depth value after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
104 _sg_mc_max_depth = xbt_cfg_get_int(_sg_cfg_set, name);
107 void _mc_cfg_cb_visited(const char *name, int pos)
109 if (_sg_cfg_init_status && !_sg_do_model_check) {
111 ("You are specifying a number of stored visited states after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
113 _sg_mc_visited = xbt_cfg_get_int(_sg_cfg_set, name);
116 void _mc_cfg_cb_dot_output(const char *name, int pos)
118 if (_sg_cfg_init_status && !_sg_do_model_check) {
120 ("You are specifying a file name for a dot output of graph state after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
122 _sg_mc_dot_output_file = xbt_cfg_get_string(_sg_cfg_set, name);
125 void _mc_cfg_cb_comms_determinism(const char *name, int pos)
127 if (_sg_cfg_init_status && !_sg_do_model_check) {
129 ("You are specifying a value to enable/disable the detection of determinism in the communications schemes after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
131 _sg_mc_comms_determinism = xbt_cfg_get_boolean(_sg_cfg_set, name);
132 mc_reduce_kind = e_mc_reduce_none;
135 void _mc_cfg_cb_send_determinism(const char *name, int pos)
137 if (_sg_cfg_init_status && !_sg_do_model_check) {
139 ("You are specifying a value to enable/disable the detection of send-determinism in the communications schemes after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
141 _sg_mc_send_determinism = xbt_cfg_get_boolean(_sg_cfg_set, name);
142 mc_reduce_kind = e_mc_reduce_none;
145 /* MC global data structures */
146 mc_state_t mc_current_state = NULL;
147 char mc_replay_mode = FALSE;
148 double *mc_time = NULL;
149 __thread mc_comparison_times_t mc_comp_times = NULL;
150 __thread double mc_snapshot_comparison_time;
151 mc_stats_t mc_stats = NULL;
152 mc_global_t initial_global_state = NULL;
153 xbt_fifo_t mc_stack = NULL;
156 xbt_automaton_t _mc_property_automaton = NULL;
159 mc_object_info_t mc_libsimgrid_info = NULL;
160 mc_object_info_t mc_binary_info = NULL;
162 mc_object_info_t mc_object_infos[2] = { NULL, NULL };
164 size_t mc_object_infos_size = 2;
167 FILE *dot_output = NULL;
168 const char *colors[13];
171 /******************************* Initialisation of MC *******************************/
172 /*********************************************************************************/
174 static void MC_init_dot_output()
175 { /* FIXME : more colors */
179 colors[2] = "green3";
180 colors[3] = "goldenrod";
182 colors[5] = "purple";
183 colors[6] = "magenta";
184 colors[7] = "turquoise4";
185 colors[8] = "gray25";
186 colors[9] = "forestgreen";
187 colors[10] = "hotpink";
188 colors[11] = "lightblue";
191 dot_output = fopen(_sg_mc_dot_output_file, "w");
193 if (dot_output == NULL) {
194 perror("Error open dot output file");
199 "digraph graphname{\n fixedsize=true; rankdir=TB; ranksep=.25; edge [fontsize=12]; node [fontsize=10, shape=circle,width=.5 ]; graph [resolution=20, fontsize=10];\n");
203 static void MC_init_debug_info(void)
205 XBT_INFO("Get debug information ...");
207 memory_map_t maps = MC_get_memory_map();
209 /* Get local variables for state equality detection */
210 mc_binary_info = MC_find_object_info(maps, xbt_binary_name, 1);
211 mc_object_infos[0] = mc_binary_info;
213 mc_libsimgrid_info = MC_find_object_info(maps, libsimgrid_path, 0);
214 mc_object_infos[1] = mc_libsimgrid_info;
216 // Use information of the other objects:
217 MC_post_process_object_info(mc_binary_info);
218 MC_post_process_object_info(mc_libsimgrid_info);
220 MC_free_memory_map(maps);
221 XBT_INFO("Get debug information done !");
228 int raw_mem_set = (mmalloc_get_current_heap() == mc_heap);
230 mc_time = xbt_new0(double, simix_process_maxpid);
232 /* Initialize the data structures that must be persistent across every
233 iteration of the model-checker (in RAW memory) */
237 mc_comp_times = xbt_new0(s_mc_comparison_times_t, 1);
239 /* Initialize statistics */
240 mc_stats = xbt_new0(s_mc_stats_t, 1);
241 mc_stats->state_size = 1;
243 MC_init_memory_map_info();
244 MC_init_debug_info(); /* FIXME : get debug information only if liveness verification or visited state reduction */
246 if ((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0] != '\0'))
247 MC_init_dot_output();
250 //parmap = xbt_parmap_mc_new(xbt_os_get_numcores(), XBT_PARMAP_DEFAULT);
254 if (_sg_mc_visited > 0 || _sg_mc_liveness) {
255 /* Ignore some variables from xbt/ex.h used by exception e for stacks comparison */
256 MC_ignore_local_variable("e", "*");
257 MC_ignore_local_variable("__ex_cleanup", "*");
258 MC_ignore_local_variable("__ex_mctx_en", "*");
259 MC_ignore_local_variable("__ex_mctx_me", "*");
260 MC_ignore_local_variable("__xbt_ex_ctx_ptr", "*");
261 MC_ignore_local_variable("_log_ev", "*");
262 MC_ignore_local_variable("_throw_ctx", "*");
263 MC_ignore_local_variable("ctx", "*");
265 MC_ignore_local_variable("self", "simcall_BODY_mc_snapshot");
266 MC_ignore_local_variable("next_context", "smx_ctx_sysv_suspend_serial");
267 MC_ignore_local_variable("i", "smx_ctx_sysv_suspend_serial");
269 /* Ignore local variable about time used for tracing */
270 MC_ignore_local_variable("start_time", "*");
272 MC_ignore_global_variable("compared_pointers");
273 MC_ignore_global_variable("mc_comp_times");
274 MC_ignore_global_variable("mc_snapshot_comparison_time");
275 MC_ignore_global_variable("mc_time");
276 MC_ignore_global_variable("smpi_current_rank");
277 MC_ignore_global_variable("counter"); /* Static variable used for tracing */
278 MC_ignore_global_variable("maestro_stack_start");
279 MC_ignore_global_variable("maestro_stack_end");
280 MC_ignore_global_variable("smx_total_comms");
281 MC_ignore_global_variable("communications_pattern");
282 MC_ignore_global_variable("initial_communications_pattern");
283 MC_ignore_global_variable("incomplete_communications_pattern");
285 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
287 smx_process_t process;
288 xbt_swag_foreach(process, simix_global->process_list) {
289 MC_ignore_heap(&(process->process_hookup),
290 sizeof(process->process_hookup));
299 /******************************* Core of MC *******************************/
300 /**************************************************************************/
302 static void MC_modelcheck_comm_determinism_init(void)
305 int mc_mem_set = (mmalloc_get_current_heap() == mc_heap);
312 /* Create exploration stack */
313 mc_stack = xbt_fifo_new();
317 MC_pre_modelcheck_comm_determinism();
320 initial_global_state = xbt_new0(s_mc_global_t, 1);
321 initial_global_state->snapshot = MC_take_snapshot(0);
322 initial_global_state->initial_communications_pattern_done = 0;
323 initial_global_state->comm_deterministic = 1;
324 initial_global_state->send_deterministic = 1;
327 MC_modelcheck_comm_determinism();
334 static void MC_modelcheck_safety_init(void)
336 int mc_mem_set = (mmalloc_get_current_heap() == mc_heap);
345 /* Create exploration stack */
346 mc_stack = xbt_fifo_new();
350 MC_pre_modelcheck_safety();
353 /* Save the initial state */
354 initial_global_state = xbt_new0(s_mc_global_t, 1);
355 initial_global_state->snapshot = MC_take_snapshot(0);
358 MC_modelcheck_safety();
367 static void MC_modelcheck_liveness_init()
370 int mc_mem_set = (mmalloc_get_current_heap() == mc_heap);
379 /* Create exploration stack */
380 mc_stack = xbt_fifo_new();
382 /* Create the initial state */
383 initial_global_state = xbt_new0(s_mc_global_t, 1);
387 MC_pre_modelcheck_liveness();
390 MC_print_statistics(mc_stats);
398 void MC_do_the_modelcheck_for_real()
401 if (_sg_mc_comms_determinism || _sg_mc_send_determinism) {
402 XBT_INFO("Check communication determinism");
403 MC_modelcheck_comm_determinism_init();
404 } else if (!_sg_mc_property_file || _sg_mc_property_file[0] == '\0') {
405 if (mc_reduce_kind == e_mc_reduce_unset)
406 mc_reduce_kind = e_mc_reduce_dpor;
407 XBT_INFO("Check a safety property");
408 MC_modelcheck_safety_init();
410 if (mc_reduce_kind == e_mc_reduce_unset)
411 mc_reduce_kind = e_mc_reduce_none;
412 XBT_INFO("Check the liveness property %s", _sg_mc_property_file);
413 MC_automaton_load(_sg_mc_property_file);
414 MC_modelcheck_liveness_init();
427 int SIMIX_pre_mc_random(smx_simcall_t simcall, int min, int max)
430 return simcall->mc_value;
434 int MC_random(int min, int max)
436 /*FIXME: return mc_current_state->executed_transition->random.value; */
437 return simcall_mc_random(min, max);
441 * \brief Schedules all the process that are ready to run
443 void MC_wait_for_requests(void)
445 smx_process_t process;
449 while (!xbt_dynar_is_empty(simix_global->process_to_run)) {
450 SIMIX_process_runall();
451 xbt_dynar_foreach(simix_global->process_that_ran, iter, process) {
452 req = &process->simcall;
453 if (req->call != SIMCALL_NONE && !MC_request_is_visible(req))
454 SIMIX_simcall_pre(req, 0);
459 int MC_deadlock_check()
461 int deadlock = FALSE;
462 smx_process_t process;
463 if (xbt_swag_size(simix_global->process_list)) {
465 xbt_swag_foreach(process, simix_global->process_list) {
466 if (process->simcall.call != SIMCALL_NONE
467 && MC_request_is_enabled(&process->simcall)) {
477 * \brief Re-executes from the state at position start all the transitions indicated by
478 * a given model-checker stack.
479 * \param stack The stack with the transitions to execute.
480 * \param start Start index to begin the re-execution.
482 void MC_replay(xbt_fifo_t stack, int start)
484 int raw_mem = (mmalloc_get_current_heap() == mc_heap);
486 int value, i = 1, count = 1, call = 0, j;
488 smx_simcall_t req = NULL, saved_req = NULL;
489 xbt_fifo_item_t item, start_item;
491 smx_process_t process = NULL;
492 smx_action_t current_comm;
494 XBT_DEBUG("**** Begin Replay ****");
497 /* Restore the initial state */
498 MC_restore_snapshot(initial_global_state->snapshot);
499 /* At the moment of taking the snapshot the raw heap was set, so restoring
500 * it will set it back again, we have to unset it to continue */
504 start_item = xbt_fifo_get_last_item(stack);
507 start_item = xbt_fifo_get_prev_item(start_item);
514 if (mc_reduce_kind == e_mc_reduce_dpor) {
515 xbt_dict_reset(first_enabled_state);
516 xbt_swag_foreach(process, simix_global->process_list) {
517 if (MC_process_is_enabled(process)) {
518 char *key = bprintf("%lu", process->pid);
519 char *data = bprintf("%d", count);
520 xbt_dict_set(first_enabled_state, key, data, NULL);
526 if (_sg_mc_comms_determinism || _sg_mc_send_determinism) {
527 for (j=0; j<simix_process_maxpid; j++) {
528 xbt_dynar_reset((xbt_dynar_t)xbt_dynar_get_as(communications_pattern, j, xbt_dynar_t));
530 for (j=0; j<simix_process_maxpid; j++) {
531 xbt_dynar_reset((xbt_dynar_t)xbt_dynar_get_as(incomplete_communications_pattern, j, xbt_dynar_t));
538 /* Traverse the stack from the state at position start and re-execute the transitions */
539 for (item = start_item;
540 item != xbt_fifo_get_first_item(stack);
541 item = xbt_fifo_get_prev_item(item)) {
543 state = (mc_state_t) xbt_fifo_get_item_content(item);
544 saved_req = MC_state_get_executed_request(state, &value);
546 if (mc_reduce_kind == e_mc_reduce_dpor) {
548 char *key = bprintf("%lu", saved_req->issuer->pid);
549 xbt_dict_remove(first_enabled_state, key);
555 /* because we got a copy of the executed request, we have to fetch the
556 real one, pointed by the request field of the issuer process */
557 req = &saved_req->issuer->simcall;
559 /* Debug information */
560 if (XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)) {
561 req_str = MC_request_to_string(req, value);
562 XBT_DEBUG("Replay: %s (%p)", req_str, state);
566 /* TODO : handle test and testany simcalls */
567 if (_sg_mc_comms_determinism || _sg_mc_send_determinism) {
568 if (req->call == SIMCALL_COMM_ISEND)
570 else if (req->call == SIMCALL_COMM_IRECV)
572 else if (req->call == SIMCALL_COMM_WAIT)
574 else if (req->call == SIMCALL_COMM_WAITANY)
578 SIMIX_simcall_pre(req, value);
580 if (_sg_mc_comms_determinism || _sg_mc_send_determinism) {
582 if (call == 1) { /* Send */
583 get_comm_pattern(communications_pattern, req, call);
584 } else if (call == 2) { /* Recv */
585 get_comm_pattern(communications_pattern, req, call);
586 } else if (call == 3) { /* Wait */
587 current_comm = simcall_comm_wait__get__comm(req);
588 if (current_comm->comm.refcount == 1) /* First wait only must be considered */
589 complete_comm_pattern(communications_pattern, current_comm);
590 } else if (call == 4) { /* WaitAny */
591 current_comm = xbt_dynar_get_as(simcall_comm_waitany__get__comms(req), value, smx_action_t);
592 if (current_comm->comm.refcount == 1) /* First wait only must be considered */
593 complete_comm_pattern(communications_pattern, current_comm);
600 MC_wait_for_requests();
604 if (mc_reduce_kind == e_mc_reduce_dpor) {
606 /* Insert in dict all enabled processes */
607 xbt_swag_foreach(process, simix_global->process_list) {
608 if (MC_process_is_enabled(process) ) {
609 char *key = bprintf("%lu", process->pid);
610 if (xbt_dict_get_or_null(first_enabled_state, key) == NULL) {
611 char *data = bprintf("%d", count);
612 xbt_dict_set(first_enabled_state, key, data, NULL);
621 /* Update statistics */
622 mc_stats->visited_states++;
623 mc_stats->executed_transitions++;
627 XBT_DEBUG("**** End Replay ****");
637 void MC_replay_liveness(xbt_fifo_t stack, int all_stack)
640 initial_global_state->raw_mem_set = (mmalloc_get_current_heap() == mc_heap);
644 smx_simcall_t req = NULL, saved_req = NULL;
645 xbt_fifo_item_t item;
650 XBT_DEBUG("**** Begin Replay ****");
652 /* Restore the initial state */
653 MC_restore_snapshot(initial_global_state->snapshot);
655 /* At the moment of taking the snapshot the raw heap was set, so restoring
656 * it will set it back again, we have to unset it to continue */
657 if (!initial_global_state->raw_mem_set)
662 item = xbt_fifo_get_last_item(stack);
664 while (depth <= xbt_fifo_size(stack)) {
666 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
667 state = (mc_state_t) pair->graph_state;
669 if (pair->requests > 0) {
671 saved_req = MC_state_get_executed_request(state, &value);
672 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
674 if (saved_req != NULL) {
675 /* because we got a copy of the executed request, we have to fetch the
676 real one, pointed by the request field of the issuer process */
677 req = &saved_req->issuer->simcall;
678 //XBT_DEBUG("Req->call %u", req->call);
680 /* Debug information */
681 if (XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)) {
682 req_str = MC_request_to_string(req, value);
683 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
689 SIMIX_simcall_pre(req, value);
690 MC_wait_for_requests();
695 /* Update statistics */
696 mc_stats->visited_pairs++;
697 mc_stats->executed_transitions++;
699 item = xbt_fifo_get_prev_item(item);
704 /* Traverse the stack from the initial state and re-execute the transitions */
705 for (item = xbt_fifo_get_last_item(stack);
706 item != xbt_fifo_get_first_item(stack);
707 item = xbt_fifo_get_prev_item(item)) {
709 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
710 state = (mc_state_t) pair->graph_state;
712 if (pair->requests > 0) {
714 saved_req = MC_state_get_executed_request(state, &value);
715 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
717 if (saved_req != NULL) {
718 /* because we got a copy of the executed request, we have to fetch the
719 real one, pointed by the request field of the issuer process */
720 req = &saved_req->issuer->simcall;
721 //XBT_DEBUG("Req->call %u", req->call);
723 /* Debug information */
724 if (XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)) {
725 req_str = MC_request_to_string(req, value);
726 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
732 SIMIX_simcall_pre(req, value);
733 MC_wait_for_requests();
738 /* Update statistics */
739 mc_stats->visited_pairs++;
740 mc_stats->executed_transitions++;
744 XBT_DEBUG("**** End Replay ****");
746 if (initial_global_state->raw_mem_set)
754 * \brief Dumps the contents of a model-checker's stack and shows the actual
756 * \param stack The stack to dump
758 void MC_dump_stack_safety(xbt_fifo_t stack)
761 int raw_mem_set = (mmalloc_get_current_heap() == mc_heap);
763 MC_show_stack_safety(stack);
765 if (!_sg_mc_checkpoint) {
770 while ((state = (mc_state_t) xbt_fifo_pop(stack)) != NULL)
771 MC_state_delete(state);
784 void MC_show_stack_safety(xbt_fifo_t stack)
787 int raw_mem_set = (mmalloc_get_current_heap() == mc_heap);
793 xbt_fifo_item_t item;
795 char *req_str = NULL;
797 for (item = xbt_fifo_get_last_item(stack);
798 (item ? (state = (mc_state_t) (xbt_fifo_get_item_content(item)))
799 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
800 req = MC_state_get_executed_request(state, &value);
802 req_str = MC_request_to_string(req, value);
803 XBT_INFO("%s", req_str);
812 void MC_show_deadlock(smx_simcall_t req)
814 /*char *req_str = NULL; */
815 XBT_INFO("**************************");
816 XBT_INFO("*** DEAD-LOCK DETECTED ***");
817 XBT_INFO("**************************");
818 XBT_INFO("Locked request:");
819 /*req_str = MC_request_to_string(req);
820 XBT_INFO("%s", req_str);
821 xbt_free(req_str); */
822 XBT_INFO("Counter-example execution trace:");
823 MC_dump_stack_safety(mc_stack);
824 MC_print_statistics(mc_stats);
828 void MC_show_stack_liveness(xbt_fifo_t stack)
832 xbt_fifo_item_t item;
834 char *req_str = NULL;
836 for (item = xbt_fifo_get_last_item(stack);
837 (item ? (pair = (mc_pair_t) (xbt_fifo_get_item_content(item)))
838 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
839 req = MC_state_get_executed_request(pair->graph_state, &value);
841 if (pair->requests > 0) {
842 req_str = MC_request_to_string(req, value);
843 XBT_INFO("%s", req_str);
846 XBT_INFO("End of system requests but evolution in Büchi automaton");
852 void MC_dump_stack_liveness(xbt_fifo_t stack)
855 int raw_mem_set = (mmalloc_get_current_heap() == mc_heap);
860 while ((pair = (mc_pair_t) xbt_fifo_pop(stack)) != NULL)
861 MC_pair_delete(pair);
870 void MC_print_statistics(mc_stats_t stats)
872 if (stats->expanded_pairs == 0) {
873 XBT_INFO("Expanded states = %lu", stats->expanded_states);
874 XBT_INFO("Visited states = %lu", stats->visited_states);
876 XBT_INFO("Expanded pairs = %lu", stats->expanded_pairs);
877 XBT_INFO("Visited pairs = %lu", stats->visited_pairs);
879 XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
881 if ((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0] != '\0')) {
882 fprintf(dot_output, "}\n");
885 if (initial_global_state != NULL) {
886 if (_sg_mc_comms_determinism)
887 XBT_INFO("Communication-deterministic : %s",
888 !initial_global_state->comm_deterministic ? "No" : "Yes");
889 if (_sg_mc_send_determinism)
890 XBT_INFO("Send-deterministic : %s",
891 !initial_global_state->send_deterministic ? "No" : "Yes");
896 void MC_assert(int prop)
898 if (MC_is_active() && !prop) {
899 XBT_INFO("**************************");
900 XBT_INFO("*** PROPERTY NOT VALID ***");
901 XBT_INFO("**************************");
902 XBT_INFO("Counter-example execution trace:");
903 MC_dump_stack_safety(mc_stack);
904 MC_print_statistics(mc_stats);
911 user_max_depth_reached = 1;
914 void MC_process_clock_add(smx_process_t process, double amount)
916 mc_time[process->pid] += amount;
919 double MC_process_clock_get(smx_process_t process)
923 return mc_time[process->pid];
931 void MC_automaton_load(const char *file)
934 int raw_mem_set = (mmalloc_get_current_heap() == mc_heap);
938 if (_mc_property_automaton == NULL)
939 _mc_property_automaton = xbt_automaton_new();
941 xbt_automaton_load(_mc_property_automaton, file);
950 void MC_automaton_new_propositional_symbol(const char *id, void *fct)
953 int raw_mem_set = (mmalloc_get_current_heap() == mc_heap);
957 if (_mc_property_automaton == NULL)
958 _mc_property_automaton = xbt_automaton_new();
960 xbt_automaton_propositional_symbol_new(_mc_property_automaton, id, fct);