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. */
18 #include "simgrid/sg_config.h"
19 #include "../surf/surf_private.h"
20 #include "../simix/smx_private.h"
22 #include "xbt/automaton.h"
26 #include <libunwind.h>
27 #include <xbt/mmalloc.h>
29 #include "../xbt/mmalloc/mmprivate.h"
30 #include "mc_object_info.h"
31 #include "mc_comm_pattern.h"
32 #include "mc_request.h"
33 #include "mc_safety.h"
34 #include "mc_memory_map.h"
35 #include "mc_snapshot.h"
36 #include "mc_liveness.h"
37 #include "mc_private.h"
41 #include "mc_record.h"
42 #include "mc_protocol.h"
43 #include "mc_client.h"
45 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_global, mc,
46 "Logging specific to MC (global)");
50 double *mc_time = NULL;
53 int user_max_depth_reached = 0;
55 /* MC global data structures */
56 mc_state_t mc_current_state = NULL;
57 char mc_replay_mode = FALSE;
59 __thread mc_comparison_times_t mc_comp_times = NULL;
60 __thread double mc_snapshot_comparison_time;
61 mc_stats_t mc_stats = NULL;
62 mc_global_t initial_global_state = NULL;
63 xbt_fifo_t mc_stack = NULL;
66 xbt_automaton_t _mc_property_automaton = NULL;
69 FILE *dot_output = NULL;
70 const char *colors[13];
73 /******************************* Initialisation of MC *******************************/
74 /*********************************************************************************/
76 static void MC_init_dot_output()
77 { /* FIXME : more colors */
82 colors[3] = "goldenrod";
85 colors[6] = "magenta";
86 colors[7] = "turquoise4";
88 colors[9] = "forestgreen";
89 colors[10] = "hotpink";
90 colors[11] = "lightblue";
93 dot_output = fopen(_sg_mc_dot_output_file, "w");
95 if (dot_output == NULL) {
96 perror("Error open dot output file");
101 "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");
107 MC_init_pid(getpid(), -1);
110 static void MC_init_mode(void)
112 if (mc_mode == MC_MODE_NONE) {
113 if (getenv(MC_ENV_SOCKET_FD)) {
114 mc_mode = MC_MODE_CLIENT;
116 mc_mode = MC_MODE_STANDALONE;
121 void MC_init_pid(pid_t pid, int socket)
123 /* Initialize the data structures that must be persistent across every
124 iteration of the model-checker (in RAW memory) */
126 xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
128 mc_model_checker = MC_model_checker_new(pid, socket);
129 if (mc_mode == MC_MODE_SERVER) {
130 unsigned long maxpid;
131 MC_process_read_variable(&mc_model_checker->process, "simix_process_maxpid",
132 &maxpid, sizeof(maxpid));
133 simix_process_maxpid = maxpid;
136 mmalloc_set_current_heap(std_heap);
137 mc_time = xbt_new0(double, MC_smx_get_maxpid());
138 mmalloc_set_current_heap(mc_heap);
140 mc_comp_times = xbt_new0(s_mc_comparison_times_t, 1);
142 /* Initialize statistics */
143 mc_stats = xbt_new0(s_mc_stats_t, 1);
144 mc_stats->state_size = 1;
146 if ((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0] != '\0'))
147 MC_init_dot_output();
150 //parmap = xbt_parmap_mc_new(xbt_os_get_numcores(), XBT_PARMAP_DEFAULT);
154 if (_sg_mc_visited > 0 || _sg_mc_liveness || _sg_mc_termination) {
155 /* Ignore some variables from xbt/ex.h used by exception e for stacks comparison */
156 MC_ignore_local_variable("e", "*");
157 MC_ignore_local_variable("__ex_cleanup", "*");
158 MC_ignore_local_variable("__ex_mctx_en", "*");
159 MC_ignore_local_variable("__ex_mctx_me", "*");
160 MC_ignore_local_variable("__xbt_ex_ctx_ptr", "*");
161 MC_ignore_local_variable("_log_ev", "*");
162 MC_ignore_local_variable("_throw_ctx", "*");
163 MC_ignore_local_variable("ctx", "*");
165 MC_ignore_local_variable("self", "simcall_BODY_mc_snapshot");
166 MC_ignore_local_variable("next_cont"
167 "ext", "smx_ctx_sysv_suspend_serial");
168 MC_ignore_local_variable("i", "smx_ctx_sysv_suspend_serial");
170 /* Ignore local variable about time used for tracing */
171 MC_ignore_local_variable("start_time", "*");
174 MC_ignore_global_variable("mc_model_checker");
175 MC_ignore_global_variable("initial_communications_pattern");
176 MC_ignore_global_variable("incomplete_communications_pattern");
177 MC_ignore_global_variable("nb_comm_pattern");
179 /* MC __thread variables: */
180 MC_ignore_global_variable("mc_diff_info");
181 MC_ignore_global_variable("mc_comp_times");
182 MC_ignore_global_variable("mc_snapshot_comparison_time");
184 /* This MC state is used in MC replay as well: */
185 MC_ignore_global_variable("mc_time");
187 /* Static variable used for tracing */
188 MC_ignore_global_variable("counter");
191 MC_ignore_global_variable("smx_total_comms");
193 if (mc_mode == MC_MODE_STANDALONE || mc_mode == MC_MODE_CLIENT) {
194 /* Those requests are handled on the client side and propagated by message
197 MC_ignore_heap(mc_time, MC_smx_get_maxpid() * sizeof(double));
199 smx_process_t process;
200 xbt_swag_foreach(process, simix_global->process_list) {
201 MC_ignore_heap(&(process->process_hookup), sizeof(process->process_hookup));
207 mmalloc_set_current_heap(heap);
210 /******************************* Core of MC *******************************/
211 /**************************************************************************/
213 static void MC_modelcheck_comm_determinism_init(void)
216 if (mc_mode == MC_MODE_CLIENT) {
217 // This will move somehwere else:
218 MC_client_handle_messages();
221 xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
223 /* Create exploration stack */
224 mc_stack = xbt_fifo_new();
228 MC_pre_modelcheck_comm_determinism();
231 initial_global_state = xbt_new0(s_mc_global_t, 1);
232 initial_global_state->snapshot = MC_take_snapshot(0);
233 initial_global_state->initial_communications_pattern_done = 0;
234 initial_global_state->recv_deterministic = 1;
235 initial_global_state->send_deterministic = 1;
236 initial_global_state->recv_diff = NULL;
237 initial_global_state->send_diff = NULL;
241 MC_modelcheck_comm_determinism();
243 mmalloc_set_current_heap(heap);
246 static void MC_modelcheck_liveness_init()
251 if (mc_mode == MC_MODE_CLIENT) {
252 // This will move somehwere else:
253 MC_client_handle_messages();
256 xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
258 /* Create exploration stack */
259 mc_stack = xbt_fifo_new();
261 /* Create the initial state */
262 initial_global_state = xbt_new0(s_mc_global_t, 1);
266 MC_pre_modelcheck_liveness();
269 MC_print_statistics(mc_stats);
272 mmalloc_set_current_heap(heap);
276 void MC_do_the_modelcheck_for_real()
280 if (_sg_mc_comms_determinism || _sg_mc_send_determinism) {
281 XBT_INFO("Check communication determinism");
282 mc_reduce_kind = e_mc_reduce_none;
283 MC_modelcheck_comm_determinism_init();
286 else if (!_sg_mc_property_file || _sg_mc_property_file[0] == '\0') {
287 if(_sg_mc_termination)
288 mc_reduce_kind = e_mc_reduce_none;
289 else if (mc_reduce_kind == e_mc_reduce_unset)
290 mc_reduce_kind = e_mc_reduce_dpor;
292 if (mc_mode == MC_MODE_SERVER || mc_mode == MC_MODE_STANDALONE) {
293 if (_sg_mc_termination)
294 XBT_INFO("Check non progressive cycles");
296 XBT_INFO("Check a safety property");
297 MC_modelcheck_safety();
300 // Most of this is not needed:
303 MC_client_main_loop();
308 if (mc_reduce_kind == e_mc_reduce_unset)
309 mc_reduce_kind = e_mc_reduce_none;
310 XBT_INFO("Check the liveness property %s", _sg_mc_property_file);
311 MC_automaton_load(_sg_mc_property_file);
312 MC_modelcheck_liveness_init();
325 int MC_deadlock_check()
327 if (mc_mode == MC_MODE_SERVER) {
329 if ((res = MC_protocol_send_simple_message(mc_model_checker->process.socket,
330 MC_MESSAGE_DEADLOCK_CHECK)))
331 xbt_die("Could not check deadlock state");
332 s_mc_int_message_t message;
333 ssize_t s = MC_receive_message(mc_model_checker->process.socket, &message, sizeof(message), 0);
335 xbt_die("Could not receive message");
336 else if (s != sizeof(message) || message.type != MC_MESSAGE_DEADLOCK_CHECK_REPLY) {
337 xbt_die("%s received unexpected message %s (%i, size=%i) "
338 "expected MC_MESSAGE_DEADLOCK_CHECK_REPLY (%i, size=%i)",
339 MC_mode_name(mc_mode),
340 MC_message_type_name(message.type), (int) message.type, (int) s,
341 (int) MC_MESSAGE_DEADLOCK_CHECK_REPLY, (int) sizeof(message)
345 return message.value;
348 int deadlock = FALSE;
349 smx_process_t process;
350 if (xbt_swag_size(simix_global->process_list)) {
352 MC_EACH_SIMIX_PROCESS(process,
353 if (MC_process_is_enabled(process)) {
362 void MC_handle_comm_pattern(e_mc_call_type_t call_type, smx_simcall_t req, int value, xbt_dynar_t pattern, int backtracking) {
365 case MC_CALL_TYPE_NONE:
367 case MC_CALL_TYPE_SEND:
368 case MC_CALL_TYPE_RECV:
369 MC_get_comm_pattern(pattern, req, call_type, backtracking);
371 case MC_CALL_TYPE_WAIT:
372 case MC_CALL_TYPE_WAITANY:
374 smx_synchro_t current_comm = NULL;
375 if (call_type == MC_CALL_TYPE_WAIT)
376 current_comm = simcall_comm_wait__get__comm(req);
378 current_comm = xbt_dynar_get_as(simcall_comm_waitany__get__comms(req), value, smx_synchro_t);
379 MC_complete_comm_pattern(pattern, current_comm, req->issuer->pid, backtracking);
383 xbt_die("Unexpected call type %i", (int)call_type);
389 * \brief Re-executes from the state at position start all the transitions indicated by
390 * a given model-checker stack.
391 * \param stack The stack with the transitions to execute.
392 * \param start Start index to begin the re-execution.
394 void MC_replay(xbt_fifo_t stack)
396 xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
398 int value, count = 1, j;
400 smx_simcall_t req = NULL, saved_req = NULL;
401 xbt_fifo_item_t item, start_item;
404 XBT_DEBUG("**** Begin Replay ****");
406 /* Intermediate backtracking */
407 if(_sg_mc_checkpoint > 0 || _sg_mc_termination || _sg_mc_visited > 0) {
408 start_item = xbt_fifo_get_first_item(stack);
409 state = (mc_state_t)xbt_fifo_get_item_content(start_item);
410 if(state->system_state){
411 MC_restore_snapshot(state->system_state);
412 if(_sg_mc_comms_determinism || _sg_mc_send_determinism)
413 MC_restore_communications_pattern(state);
420 /* Restore the initial state */
421 MC_restore_snapshot(initial_global_state->snapshot);
422 /* At the moment of taking the snapshot the raw heap was set, so restoring
423 * it will set it back again, we have to unset it to continue */
426 start_item = xbt_fifo_get_last_item(stack);
430 if (_sg_mc_comms_determinism || _sg_mc_send_determinism) {
431 for (j=0; j < simix_process_maxpid; j++) {
432 xbt_dynar_reset((xbt_dynar_t)xbt_dynar_get_as(incomplete_communications_pattern, j, xbt_dynar_t));
433 ((mc_list_comm_pattern_t)xbt_dynar_get_as(initial_communications_pattern, j, mc_list_comm_pattern_t))->index_comm = 0;
439 /* Traverse the stack from the state at position start and re-execute the transitions */
440 for (item = start_item;
441 item != xbt_fifo_get_first_item(stack);
442 item = xbt_fifo_get_prev_item(item)) {
444 state = (mc_state_t) xbt_fifo_get_item_content(item);
445 saved_req = MC_state_get_executed_request(state, &value);
448 /* because we got a copy of the executed request, we have to fetch the
449 real one, pointed by the request field of the issuer process */
451 const smx_process_t issuer = MC_smx_simcall_get_issuer(saved_req);
452 req = &issuer->simcall;
454 /* Debug information */
455 if (XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)) {
456 req_str = MC_request_to_string(req, value, MC_REQUEST_SIMIX);
457 XBT_DEBUG("Replay: %s (%p)", req_str, state);
461 /* TODO : handle test and testany simcalls */
462 e_mc_call_type_t call = MC_CALL_TYPE_NONE;
463 if (_sg_mc_comms_determinism || _sg_mc_send_determinism)
464 call = MC_get_call_type(req);
466 MC_simcall_handle(req, value);
469 if (_sg_mc_comms_determinism || _sg_mc_send_determinism)
470 MC_handle_comm_pattern(call, req, value, NULL, 1);
473 MC_wait_for_requests();
478 /* Update statistics */
479 mc_stats->visited_states++;
480 mc_stats->executed_transitions++;
484 XBT_DEBUG("**** End Replay ****");
485 mmalloc_set_current_heap(heap);
488 void MC_replay_liveness(xbt_fifo_t stack)
491 initial_global_state->raw_mem_set = (mmalloc_get_current_heap() == mc_heap);
493 xbt_fifo_item_t item;
494 mc_pair_t pair = NULL;
495 mc_state_t state = NULL;
496 smx_simcall_t req = NULL, saved_req = NULL;
497 int value, depth = 1;
500 XBT_DEBUG("**** Begin Replay ****");
502 /* Intermediate backtracking */
503 if(_sg_mc_checkpoint > 0) {
504 item = xbt_fifo_get_first_item(stack);
505 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
506 if(pair->graph_state->system_state){
507 MC_restore_snapshot(pair->graph_state->system_state);
513 /* Restore the initial state */
514 MC_restore_snapshot(initial_global_state->snapshot);
516 /* At the moment of taking the snapshot the raw heap was set, so restoring
517 * it will set it back again, we have to unset it to continue */
518 if (!initial_global_state->raw_mem_set)
521 /* Traverse the stack from the initial state and re-execute the transitions */
522 for (item = xbt_fifo_get_last_item(stack);
523 item != xbt_fifo_get_first_item(stack);
524 item = xbt_fifo_get_prev_item(item)) {
526 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
528 state = (mc_state_t) pair->graph_state;
530 if (pair->exploration_started) {
532 saved_req = MC_state_get_executed_request(state, &value);
534 if (saved_req != NULL) {
535 /* because we got a copy of the executed request, we have to fetch the
536 real one, pointed by the request field of the issuer process */
537 const smx_process_t issuer = MC_smx_simcall_get_issuer(saved_req);
538 req = &issuer->simcall;
540 /* Debug information */
541 if (XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)) {
542 req_str = MC_request_to_string(req, value, MC_REQUEST_SIMIX);
543 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
549 MC_simcall_handle(req, value);
550 MC_wait_for_requests();
553 /* Update statistics */
554 mc_stats->visited_pairs++;
555 mc_stats->executed_transitions++;
561 XBT_DEBUG("**** End Replay ****");
563 if (initial_global_state->raw_mem_set)
571 * \brief Dumps the contents of a model-checker's stack and shows the actual
573 * \param stack The stack to dump
575 void MC_dump_stack_safety(xbt_fifo_t stack)
577 xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
579 MC_show_stack_safety(stack);
584 while ((state = (mc_state_t) xbt_fifo_pop(stack)) != NULL)
585 MC_state_delete(state, !state->in_visited_states ? 1 : 0);
586 mmalloc_set_current_heap(heap);
590 void MC_show_stack_safety(xbt_fifo_t stack)
592 xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
596 xbt_fifo_item_t item;
598 char *req_str = NULL;
600 for (item = xbt_fifo_get_last_item(stack);
601 (item ? (state = (mc_state_t) (xbt_fifo_get_item_content(item)))
602 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
603 req = MC_state_get_executed_request(state, &value);
605 req_str = MC_request_to_string(req, value, MC_REQUEST_EXECUTED);
606 XBT_INFO("%s", req_str);
611 mmalloc_set_current_heap(heap);
614 void MC_show_deadlock(smx_simcall_t req)
616 /*char *req_str = NULL; */
617 XBT_INFO("**************************");
618 XBT_INFO("*** DEAD-LOCK DETECTED ***");
619 XBT_INFO("**************************");
620 XBT_INFO("Locked request:");
621 /*req_str = MC_request_to_string(req);
622 XBT_INFO("%s", req_str);
623 xbt_free(req_str); */
624 XBT_INFO("Counter-example execution trace:");
625 MC_dump_stack_safety(mc_stack);
626 MC_print_statistics(mc_stats);
629 void MC_show_non_termination(void){
630 XBT_INFO("******************************************");
631 XBT_INFO("*** NON-PROGRESSIVE CYCLE DETECTED ***");
632 XBT_INFO("******************************************");
633 XBT_INFO("Counter-example execution trace:");
634 MC_dump_stack_safety(mc_stack);
635 MC_print_statistics(mc_stats);
639 void MC_show_stack_liveness(xbt_fifo_t stack)
643 xbt_fifo_item_t item;
645 char *req_str = NULL;
647 for (item = xbt_fifo_get_last_item(stack);
648 (item ? (pair = (mc_pair_t) (xbt_fifo_get_item_content(item))) : (NULL));
649 item = xbt_fifo_get_prev_item(item)) {
650 req = MC_state_get_executed_request(pair->graph_state, &value);
651 if (req && req->call != SIMCALL_NONE) {
652 req_str = MC_request_to_string(req, value, MC_REQUEST_EXECUTED);
653 XBT_INFO("%s", req_str);
660 void MC_dump_stack_liveness(xbt_fifo_t stack)
662 xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
664 while ((pair = (mc_pair_t) xbt_fifo_pop(stack)) != NULL)
665 MC_pair_delete(pair);
666 mmalloc_set_current_heap(heap);
669 void MC_print_statistics(mc_stats_t stats)
671 if(_sg_mc_comms_determinism) {
672 if (!initial_global_state->recv_deterministic && initial_global_state->send_deterministic){
673 XBT_INFO("******************************************************");
674 XBT_INFO("**** Only-send-deterministic communication pattern ****");
675 XBT_INFO("******************************************************");
676 XBT_INFO("%s", initial_global_state->recv_diff);
677 }else if(!initial_global_state->send_deterministic && initial_global_state->recv_deterministic) {
678 XBT_INFO("******************************************************");
679 XBT_INFO("**** Only-recv-deterministic communication pattern ****");
680 XBT_INFO("******************************************************");
681 XBT_INFO("%s", initial_global_state->send_diff);
685 if (stats->expanded_pairs == 0) {
686 XBT_INFO("Expanded states = %lu", stats->expanded_states);
687 XBT_INFO("Visited states = %lu", stats->visited_states);
689 XBT_INFO("Expanded pairs = %lu", stats->expanded_pairs);
690 XBT_INFO("Visited pairs = %lu", stats->visited_pairs);
692 XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
693 xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
694 if ((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0] != '\0')) {
695 fprintf(dot_output, "}\n");
698 if (initial_global_state != NULL && (_sg_mc_comms_determinism || _sg_mc_send_determinism)) {
699 XBT_INFO("Send-deterministic : %s", !initial_global_state->send_deterministic ? "No" : "Yes");
700 if (_sg_mc_comms_determinism)
701 XBT_INFO("Recv-deterministic : %s", !initial_global_state->recv_deterministic ? "No" : "Yes");
703 mmalloc_set_current_heap(heap);
706 void MC_automaton_load(const char *file)
708 xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
710 if (_mc_property_automaton == NULL)
711 _mc_property_automaton = xbt_automaton_new();
713 xbt_automaton_load(_mc_property_automaton, file);
714 mmalloc_set_current_heap(heap);
717 static void register_symbol(xbt_automaton_propositional_symbol_t symbol)
719 if (mc_mode != MC_MODE_CLIENT)
721 s_mc_register_symbol_message_t message;
722 message.type = MC_MESSAGE_REGISTER_SYMBOL;
723 const char* name = xbt_automaton_propositional_symbol_get_name(symbol);
724 if (strlen(name) + 1 > sizeof(message.name))
725 xbt_die("Symbol is too long");
726 strncpy(message.name, name, sizeof(message.name));
727 message.callback = xbt_automaton_propositional_symbol_get_callback(symbol);
728 message.data = xbt_automaton_propositional_symbol_get_data(symbol);
729 MC_client_send_message(&message, sizeof(message));
732 void MC_automaton_new_propositional_symbol(const char *id, int(*fct)(void))
734 xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
736 if (_mc_property_automaton == NULL)
737 _mc_property_automaton = xbt_automaton_new();
739 xbt_automaton_propositional_symbol_t symbol = xbt_automaton_propositional_symbol_new(_mc_property_automaton, id, fct);
740 register_symbol(symbol);
741 mmalloc_set_current_heap(heap);
744 void MC_automaton_new_propositional_symbol_pointer(const char *id, int* value)
746 xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
747 if (_mc_property_automaton == NULL)
748 _mc_property_automaton = xbt_automaton_new();
749 xbt_automaton_propositional_symbol_t symbol = xbt_automaton_propositional_symbol_new_pointer(_mc_property_automaton, id, value);
750 register_symbol(symbol);
751 mmalloc_set_current_heap(heap);
754 void MC_automaton_new_propositional_symbol_callback(const char* id,
755 xbt_automaton_propositional_symbol_callback_type callback,
756 void* data, xbt_automaton_propositional_symbol_free_function_type free_function)
758 xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
759 if (_mc_property_automaton == NULL)
760 _mc_property_automaton = xbt_automaton_new();
761 xbt_automaton_propositional_symbol_t symbol = xbt_automaton_propositional_symbol_new_callback(
762 _mc_property_automaton, id, callback, data, free_function);
763 register_symbol(symbol);
764 mmalloc_set_current_heap(heap);
767 // TODO, fix cross-process access (this function is not used)
768 void MC_dump_stacks(FILE* file)
770 xbt_mheap_t heap = mmalloc_set_current_heap(mc_heap);
773 stack_region_t current_stack;
775 xbt_dynar_foreach(stacks_areas, cursor, current_stack) {
776 unw_context_t * context = (unw_context_t *)current_stack->context;
777 fprintf(file, "Stack %i:\n", nstack);
782 unw_init_local (&c, context);
785 const char * name = !unw_get_proc_name(&c, buffer, 100, &off) ? buffer : "?";
786 #if defined(__x86_64__)
789 unw_get_reg(&c, UNW_X86_64_RIP, &rip);
790 unw_get_reg(&c, UNW_X86_64_RSP, &rsp);
791 fprintf(file, " %i: %s (RIP=0x%" PRIx64 " RSP=0x%" PRIx64 ")\n",
792 nframe, name, rip, rsp);
794 fprintf(file, " %i: %s\n", nframe, name);
797 } while(unw_step(&c));
801 mmalloc_set_current_heap(heap);
805 double MC_process_clock_get(smx_process_t process)
809 return mc_time[process->pid];
817 void MC_process_clock_add(smx_process_t process, double amount)
819 mc_time[process->pid] += amount;
822 void MC_report_assertion_error(void)
824 XBT_INFO("**************************");
825 XBT_INFO("*** PROPERTY NOT VALID ***");
826 XBT_INFO("**************************");
827 XBT_INFO("Counter-example execution trace:");
828 MC_record_dump_path(mc_stack);
829 MC_dump_stack_safety(mc_stack);
830 MC_print_statistics(mc_stats);