1 /* Copyright (c) 2008-2013. 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. */
13 #include "simgrid/sg_config.h"
14 #include "../surf/surf_private.h"
15 #include "../simix/smx_private.h"
16 #include "../xbt/mmalloc/mmprivate.h"
18 #include "mc_private.h"
19 #include "xbt/automaton.h"
22 XBT_LOG_NEW_CATEGORY(mc, "All MC categories");
23 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_global, mc,
24 "Logging specific to MC (global)");
26 /* Configuration support */
27 e_mc_reduce_t mc_reduce_kind=e_mc_reduce_unset;
29 int _sg_do_model_check = 0;
30 int _sg_mc_checkpoint=0;
31 char* _sg_mc_property_file=NULL;
34 int _sg_mc_max_depth=1000;
36 char *_sg_mc_dot_output_file = NULL;
38 int user_max_depth_reached = 0;
40 void _mc_cfg_cb_reduce(const char *name, int pos) {
41 if (_sg_cfg_init_status && !_sg_do_model_check) {
42 xbt_die("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.");
44 char *val= xbt_cfg_get_string(_sg_cfg_set, name);
45 if (!strcasecmp(val,"none")) {
46 mc_reduce_kind = e_mc_reduce_none;
47 } else if (!strcasecmp(val,"dpor")) {
48 mc_reduce_kind = e_mc_reduce_dpor;
50 xbt_die("configuration option %s can only take 'none' or 'dpor' as a value",name);
54 void _mc_cfg_cb_checkpoint(const char *name, int pos) {
55 if (_sg_cfg_init_status && !_sg_do_model_check) {
56 xbt_die("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.");
58 _sg_mc_checkpoint = xbt_cfg_get_int(_sg_cfg_set, name);
60 void _mc_cfg_cb_property(const char *name, int pos) {
61 if (_sg_cfg_init_status && !_sg_do_model_check) {
62 xbt_die("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.");
64 _sg_mc_property_file= xbt_cfg_get_string(_sg_cfg_set, name);
67 void _mc_cfg_cb_timeout(const char *name, int pos) {
68 if (_sg_cfg_init_status && !_sg_do_model_check) {
69 xbt_die("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.");
71 _sg_mc_timeout= xbt_cfg_get_boolean(_sg_cfg_set, name);
74 void _mc_cfg_cb_hash(const char *name, int pos) {
75 if (_sg_cfg_init_status && !_sg_do_model_check) {
76 xbt_die("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.");
78 _sg_mc_hash= xbt_cfg_get_boolean(_sg_cfg_set, name);
81 void _mc_cfg_cb_max_depth(const char *name, int pos) {
82 if (_sg_cfg_init_status && !_sg_do_model_check) {
83 xbt_die("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.");
85 _sg_mc_max_depth= xbt_cfg_get_int(_sg_cfg_set, name);
88 void _mc_cfg_cb_visited(const char *name, int pos) {
89 if (_sg_cfg_init_status && !_sg_do_model_check) {
90 xbt_die("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.");
92 _sg_mc_visited= xbt_cfg_get_int(_sg_cfg_set, name);
95 void _mc_cfg_cb_dot_output(const char *name, int pos) {
96 if (_sg_cfg_init_status && !_sg_do_model_check) {
97 xbt_die("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.");
99 _sg_mc_dot_output_file= xbt_cfg_get_string(_sg_cfg_set, name);
102 /* MC global data structures */
103 mc_state_t mc_current_state = NULL;
104 char mc_replay_mode = FALSE;
105 double *mc_time = NULL;
106 __thread mc_comparison_times_t mc_comp_times = NULL;
107 __thread double mc_snapshot_comparison_time;
108 mc_stats_t mc_stats = NULL;
111 xbt_fifo_t mc_stack_safety = NULL;
112 mc_global_t initial_state_safety = NULL;
115 xbt_fifo_t mc_stack_liveness = NULL;
116 mc_global_t initial_state_liveness = NULL;
119 xbt_automaton_t _mc_property_automaton = NULL;
122 mc_object_info_t mc_libsimgrid_info = NULL;
123 mc_object_info_t mc_binary_info = NULL;
125 /* Ignore mechanism */
126 extern xbt_dynar_t mc_heap_comparison_ignore;
127 extern xbt_dynar_t stacks_areas;
130 FILE *dot_output = NULL;
131 const char* colors[13];
134 /******************************* DWARF Information *******************************/
135 /**********************************************************************************/
137 /************************** Free functions *************************/
139 static void dw_location_free(dw_location_t l){
141 if(l->type == e_dw_loclist)
142 xbt_dynar_free(&(l->location.loclist));
143 else if(l->type == e_dw_compose)
144 xbt_dynar_free(&(l->location.compose));
145 else if(l->type == e_dw_arithmetic)
146 xbt_free(l->location.arithmetic);
152 static void dw_location_entry_free(dw_location_entry_t e){
153 dw_location_free(e->location);
157 void dw_type_free(dw_type_t t){
159 xbt_free(t->dw_type_id);
160 xbt_dynar_free(&(t->members));
164 static void dw_type_free_voidp(void *t){
165 dw_type_free((dw_type_t) * (void **) t);
168 void dw_variable_free(dw_variable_t v){
171 xbt_free(v->type_origin);
173 dw_location_free(v->location);
178 void dw_variable_free_voidp(void *t){
179 dw_variable_free((dw_variable_t) * (void **) t);
184 mc_object_info_t MC_new_object_info(void) {
185 mc_object_info_t res = xbt_new0(s_mc_object_info_t, 1);
186 res->local_variables = xbt_dict_new_homogeneous(NULL);
187 res->global_variables = xbt_dynar_new(sizeof(dw_variable_t), dw_variable_free_voidp);
188 res->types = xbt_dict_new_homogeneous(NULL);
189 res->types_by_name = xbt_dict_new_homogeneous(NULL);
194 void MC_free_object_info(mc_object_info_t* info) {
195 xbt_free(&(*info)->file_name);
196 xbt_dict_free(&(*info)->local_variables);
197 xbt_dynar_free(&(*info)->global_variables);
198 xbt_dict_free(&(*info)->types);
199 xbt_dict_free(&(*info)->types_by_name);
201 xbt_dynar_free(&(*info)->functions_index);
207 void* MC_object_base_address(mc_object_info_t info) {
208 void* result = info->start_exec;
209 if(info->start_rw!=NULL && result > (void*) info->start_rw) result = info->start_rw;
210 if(info->start_ro!=NULL && result > (void*) info->start_ro) result = info->start_ro;
214 // ***** Functions index
216 static int MC_compare_frame_index_items(mc_function_index_item_t a, mc_function_index_item_t b) {
217 if(a->low_pc < b->low_pc)
219 else if(a->low_pc == b->low_pc)
225 static void MC_make_functions_index(mc_object_info_t info) {
226 xbt_dynar_t index = xbt_dynar_new(sizeof(s_mc_function_index_item_t), NULL);
228 // Populate the array:
229 dw_frame_t frame = NULL;
230 xbt_dict_cursor_t cursor = NULL;
231 const char* name = NULL;
232 xbt_dict_foreach(info->local_variables, cursor, name, frame) {
233 if(frame->low_pc==NULL)
235 s_mc_function_index_item_t entry;
236 entry.low_pc = frame->low_pc;
237 entry.high_pc = frame->high_pc;
238 entry.function = frame;
239 xbt_dynar_push(index, &entry);
242 mc_function_index_item_t base = (mc_function_index_item_t) xbt_dynar_get_ptr(index, 0);
244 // Sort the array by low_pc:
246 xbt_dynar_length(index),
247 sizeof(s_mc_function_index_item_t),
248 (int (*)(const void *, const void *))MC_compare_frame_index_items);
250 info->functions_index = index;
253 mc_object_info_t MC_ip_find_object_info(void* ip) {
254 mc_object_info_t infos[2] = { mc_binary_info, mc_libsimgrid_info };
257 for(i=0; i!=n; ++i) {
258 if(ip >= (void*)infos[i]->start_exec && ip <= (void*)infos[i]->end_exec) {
265 static dw_frame_t MC_find_function_by_ip_and_object(void* ip, mc_object_info_t info) {
266 xbt_dynar_t dynar = info->functions_index;
267 mc_function_index_item_t base = (mc_function_index_item_t) xbt_dynar_get_ptr(dynar, 0);
269 int j = xbt_dynar_length(dynar) - 1;
271 int k = i + ((j-i)/2);
272 if(ip < base[k].low_pc) {
274 } else if(ip > base[k].high_pc) {
277 return base[k].function;
283 dw_frame_t MC_find_function_by_ip(void* ip) {
284 mc_object_info_t info = MC_ip_find_object_info(ip);
288 return MC_find_function_by_ip_and_object(ip, info);
291 static void MC_post_process_variables(mc_object_info_t info) {
293 dw_variable_t variable = NULL;
294 xbt_dynar_foreach(info->global_variables, cursor, variable) {
295 if(variable->type_origin) {
296 variable->type = xbt_dict_get_or_null(info->types, variable->type_origin);
301 static void MC_post_process_functions(mc_object_info_t info) {
302 xbt_dict_cursor_t cursor = NULL;
304 dw_frame_t function = NULL;
305 xbt_dict_foreach(info->local_variables, cursor, key, function) {
306 unsigned cursor2 = 0;
307 dw_variable_t variable = NULL;
308 xbt_dynar_foreach(function->variables, cursor2, variable) {
309 if(variable->type_origin) {
310 variable->type = xbt_dict_get_or_null(info->types, variable->type_origin);
316 /** \brief Finds informations about a given shared object/executable */
317 mc_object_info_t MC_find_object_info(memory_map_t maps, char* name, int executable) {
318 mc_object_info_t result = MC_new_object_info();
320 result->flags |= MC_OBJECT_INFO_EXECUTABLE;
321 result->file_name = xbt_strdup(name);
322 MC_find_object_address(maps, result);
323 MC_dwarf_get_variables(result);
324 MC_post_process_types(result);
325 MC_post_process_variables(result);
326 MC_post_process_functions(result);
327 MC_make_functions_index(result);
331 /*************************************************************************/
333 static dw_location_t MC_dwarf_get_location(xbt_dict_t location_list, char *expr){
335 dw_location_t loc = xbt_new0(s_dw_location_t, 1);
337 if(location_list != NULL){
339 char *key = bprintf("%d", (int)strtoul(expr, NULL, 16));
340 loc->type = e_dw_loclist;
341 loc->location.loclist = (xbt_dynar_t)xbt_dict_get_or_null(location_list, key);
342 if(loc->location.loclist == NULL)
343 XBT_INFO("Key not found in loclist");
350 char *tok = NULL, *tok2 = NULL;
352 xbt_dynar_t tokens1 = xbt_str_split(expr, ";");
355 loc->type = e_dw_compose;
356 loc->location.compose = xbt_dynar_new(sizeof(dw_location_t), NULL);
358 while(cursor < xbt_dynar_length(tokens1)){
360 tok = xbt_dynar_get_as(tokens1, cursor, char*);
361 tokens2 = xbt_str_split(tok, " ");
362 tok2 = xbt_dynar_get_as(tokens2, 0, char*);
364 if(strncmp(tok2, "DW_OP_reg", 9) == 0){
365 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
366 new_element->type = e_dw_register;
367 new_element->location.reg = atoi(strtok(tok2, "DW_OP_reg"));
368 xbt_dynar_push(loc->location.compose, &new_element);
369 }else if(strcmp(tok2, "DW_OP_fbreg:") == 0){
370 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
371 new_element->type = e_dw_fbregister_op;
372 new_element->location.fbreg_op = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
373 xbt_dynar_push(loc->location.compose, &new_element);
374 }else if(strncmp(tok2, "DW_OP_breg", 10) == 0){
375 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
376 new_element->type = e_dw_bregister_op;
377 new_element->location.breg_op.reg = atoi(strtok(tok2, "DW_OP_breg"));
378 new_element->location.breg_op.offset = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
379 xbt_dynar_push(loc->location.compose, &new_element);
380 }else if(strncmp(tok2, "DW_OP_lit", 9) == 0){
381 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
382 new_element->type = e_dw_lit;
383 new_element->location.lit = atoi(strtok(tok2, "DW_OP_lit"));
384 xbt_dynar_push(loc->location.compose, &new_element);
385 }else if(strcmp(tok2, "DW_OP_piece:") == 0){
386 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
387 new_element->type = e_dw_piece;
388 new_element->location.piece = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
389 xbt_dynar_push(loc->location.compose, &new_element);
390 }else if(strcmp(tok2, "DW_OP_plus_uconst:") == 0){
391 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
392 new_element->type = e_dw_plus_uconst;
393 new_element->location.plus_uconst = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char *));
394 xbt_dynar_push(loc->location.compose, &new_element);
395 }else if(strcmp(tok, "DW_OP_abs") == 0 ||
396 strcmp(tok, "DW_OP_and") == 0 ||
397 strcmp(tok, "DW_OP_div") == 0 ||
398 strcmp(tok, "DW_OP_minus") == 0 ||
399 strcmp(tok, "DW_OP_mod") == 0 ||
400 strcmp(tok, "DW_OP_mul") == 0 ||
401 strcmp(tok, "DW_OP_neg") == 0 ||
402 strcmp(tok, "DW_OP_not") == 0 ||
403 strcmp(tok, "DW_OP_or") == 0 ||
404 strcmp(tok, "DW_OP_plus") == 0){
405 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
406 new_element->type = e_dw_arithmetic;
407 new_element->location.arithmetic = strdup(strtok(tok2, "DW_OP_"));
408 xbt_dynar_push(loc->location.compose, &new_element);
409 }else if(strcmp(tok, "DW_OP_stack_value") == 0){
410 }else if(strcmp(tok2, "DW_OP_deref_size:") == 0){
411 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
412 new_element->type = e_dw_deref;
413 new_element->location.deref_size = (unsigned int short) atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
414 xbt_dynar_push(loc->location.compose, &new_element);
415 }else if(strcmp(tok, "DW_OP_deref") == 0){
416 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
417 new_element->type = e_dw_deref;
418 new_element->location.deref_size = sizeof(void *);
419 xbt_dynar_push(loc->location.compose, &new_element);
420 }else if(strcmp(tok2, "DW_OP_constu:") == 0){
421 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
422 new_element->type = e_dw_uconstant;
423 new_element->location.uconstant.bytes = 1;
424 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
425 xbt_dynar_push(loc->location.compose, &new_element);
426 }else if(strcmp(tok2, "DW_OP_consts:") == 0){
427 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
428 new_element->type = e_dw_sconstant;
429 new_element->location.sconstant.bytes = 1;
430 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
431 xbt_dynar_push(loc->location.compose, &new_element);
432 }else if(strcmp(tok2, "DW_OP_const1u:") == 0 ||
433 strcmp(tok2, "DW_OP_const2u:") == 0 ||
434 strcmp(tok2, "DW_OP_const4u:") == 0 ||
435 strcmp(tok2, "DW_OP_const8u:") == 0){
436 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
437 new_element->type = e_dw_uconstant;
438 new_element->location.uconstant.bytes = tok2[11] - '0';
439 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
440 xbt_dynar_push(loc->location.compose, &new_element);
441 }else if(strcmp(tok, "DW_OP_const1s") == 0 ||
442 strcmp(tok, "DW_OP_const2s") == 0 ||
443 strcmp(tok, "DW_OP_const4s") == 0 ||
444 strcmp(tok, "DW_OP_const8s") == 0){
445 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
446 new_element->type = e_dw_sconstant;
447 new_element->location.sconstant.bytes = tok2[11] - '0';
448 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
449 xbt_dynar_push(loc->location.compose, &new_element);
451 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
452 new_element->type = e_dw_unsupported;
453 xbt_dynar_push(loc->location.compose, &new_element);
457 xbt_dynar_free(&tokens2);
461 xbt_dynar_free(&tokens1);
470 /** \brief Finds a frame (DW_TAG_subprogram) from an DWARF offset in the rangd of this subprogram
472 * The offset can be an offset of a child DW_TAG_variable.
474 static dw_frame_t MC_dwarf_get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset){
476 xbt_dict_cursor_t cursor = NULL;
480 xbt_dict_foreach(all_variables, cursor, name, res) {
481 if(offset >= res->start && offset < res->end){
482 xbt_dict_cursor_free(&cursor);
487 xbt_dict_cursor_free(&cursor);
492 static dw_variable_t MC_dwarf_get_variable_by_name(dw_frame_t frame, char *var){
494 unsigned int cursor = 0;
495 dw_variable_t current_var;
497 xbt_dynar_foreach(frame->variables, cursor, current_var){
498 if(strcmp(var, current_var->name) == 0)
505 static int MC_dwarf_get_variable_index(xbt_dynar_t variables, char* var, void *address){
507 if(xbt_dynar_is_empty(variables))
510 unsigned int cursor = 0;
512 int end = xbt_dynar_length(variables) - 1;
513 dw_variable_t var_test = NULL;
516 cursor = (start + end) / 2;
517 var_test = (dw_variable_t)xbt_dynar_get_as(variables, cursor, dw_variable_t);
518 if(strcmp(var_test->name, var) < 0){
520 }else if(strcmp(var_test->name, var) > 0){
523 if(address){ /* global variable */
524 if(var_test->address == address)
526 if(var_test->address > address)
530 }else{ /* local variable */
536 if(strcmp(var_test->name, var) == 0){
537 if(address && var_test->address < address)
541 }else if(strcmp(var_test->name, var) < 0)
548 void MC_dwarf_register_global_variable(mc_object_info_t info, dw_variable_t variable) {
549 int index = MC_dwarf_get_variable_index(info->global_variables, variable->name, variable->address);
551 xbt_dynar_insert_at(info->global_variables, index, &variable);
555 void MC_dwarf_register_non_global_variable(mc_object_info_t info, dw_frame_t frame, dw_variable_t variable) {
556 xbt_assert(frame, "Frame is NULL");
557 int index = MC_dwarf_get_variable_index(frame->variables, variable->name, NULL);
559 xbt_dynar_insert_at(frame->variables, index, &variable);
563 void MC_dwarf_register_variable(mc_object_info_t info, dw_frame_t frame, dw_variable_t variable) {
565 MC_dwarf_register_global_variable(info, variable);
567 xbt_die("No frame for this local variable");
569 MC_dwarf_register_non_global_variable(info, frame, variable);
573 /******************************* Ignore mechanism *******************************/
574 /*********************************************************************************/
576 xbt_dynar_t mc_checkpoint_ignore;
578 typedef struct s_mc_stack_ignore_variable{
581 }s_mc_stack_ignore_variable_t, *mc_stack_ignore_variable_t;
583 /**************************** Free functions ******************************/
585 static void stack_ignore_variable_free(mc_stack_ignore_variable_t v){
586 xbt_free(v->var_name);
591 static void stack_ignore_variable_free_voidp(void *v){
592 stack_ignore_variable_free((mc_stack_ignore_variable_t) * (void **) v);
595 void heap_ignore_region_free(mc_heap_ignore_region_t r){
599 void heap_ignore_region_free_voidp(void *r){
600 heap_ignore_region_free((mc_heap_ignore_region_t) * (void **) r);
603 static void checkpoint_ignore_region_free(mc_checkpoint_ignore_region_t r){
607 static void checkpoint_ignore_region_free_voidp(void *r){
608 checkpoint_ignore_region_free((mc_checkpoint_ignore_region_t) * (void **) r);
611 /***********************************************************************/
613 void MC_ignore_heap(void *address, size_t size){
615 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
619 mc_heap_ignore_region_t region = NULL;
620 region = xbt_new0(s_mc_heap_ignore_region_t, 1);
621 region->address = address;
624 region->block = ((char*)address - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
626 if(((xbt_mheap_t)std_heap)->heapinfo[region->block].type == 0){
627 region->fragment = -1;
628 ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_block.ignore++;
630 region->fragment = ((uintptr_t) (ADDR2UINT (address) % (BLOCKSIZE))) >> ((xbt_mheap_t)std_heap)->heapinfo[region->block].type;
631 ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_frag.ignore[region->fragment]++;
634 if(mc_heap_comparison_ignore == NULL){
635 mc_heap_comparison_ignore = xbt_dynar_new(sizeof(mc_heap_ignore_region_t), heap_ignore_region_free_voidp);
636 xbt_dynar_push(mc_heap_comparison_ignore, ®ion);
642 unsigned int cursor = 0;
643 mc_heap_ignore_region_t current_region = NULL;
645 int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
648 cursor = (start + end) / 2;
649 current_region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
650 if(current_region->address == address){
651 heap_ignore_region_free(region);
655 }else if(current_region->address < address){
662 if(current_region->address < address)
663 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor + 1, ®ion);
665 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor, ®ion);
671 void MC_remove_ignore_heap(void *address, size_t size){
673 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
677 unsigned int cursor = 0;
679 int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
680 mc_heap_ignore_region_t region;
681 int ignore_found = 0;
684 cursor = (start + end) / 2;
685 region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
686 if(region->address == address){
689 }else if(region->address < address){
692 if((char * )region->address <= ((char *)address + size)){
701 if(ignore_found == 1){
702 xbt_dynar_remove_at(mc_heap_comparison_ignore, cursor, NULL);
703 MC_remove_ignore_heap(address, size);
711 void MC_ignore_global_variable(const char *name){
713 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
717 xbt_assert(mc_libsimgrid_info, "MC subsystem not initialized");
719 unsigned int cursor = 0;
720 dw_variable_t current_var;
722 int end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
725 cursor = (start + end) /2;
726 current_var = (dw_variable_t)xbt_dynar_get_as(mc_libsimgrid_info->global_variables, cursor, dw_variable_t);
727 if(strcmp(current_var->name, name) == 0){
728 xbt_dynar_remove_at(mc_libsimgrid_info->global_variables, cursor, NULL);
730 end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
731 }else if(strcmp(current_var->name, name) < 0){
742 void MC_ignore_local_variable(const char *var_name, const char *frame_name){
744 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
748 unsigned int cursor = 0;
749 dw_variable_t current_var;
751 if(strcmp(frame_name, "*") == 0){ /* Remove variable in all frames */
752 xbt_dict_cursor_t dict_cursor;
753 char *current_frame_name;
755 xbt_dict_foreach(mc_libsimgrid_info->local_variables, dict_cursor, current_frame_name, frame){
757 end = xbt_dynar_length(frame->variables) - 1;
759 cursor = (start + end) / 2;
760 current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
761 if(strcmp(current_var->name, var_name) == 0){
762 xbt_dynar_remove_at(frame->variables, cursor, NULL);
764 end = xbt_dynar_length(frame->variables) - 1;
765 }else if(strcmp(current_var->name, var_name) < 0){
772 xbt_dict_foreach(mc_binary_info->local_variables, dict_cursor, current_frame_name, frame){
774 end = xbt_dynar_length(frame->variables) - 1;
776 cursor = (start + end) / 2;
777 current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
778 if(strcmp(current_var->name, var_name) == 0){
779 xbt_dynar_remove_at(frame->variables, cursor, NULL);
781 end = xbt_dynar_length(frame->variables) - 1;
782 }else if(strcmp(current_var->name, var_name) < 0){
790 xbt_dynar_t variables_list = ((dw_frame_t)xbt_dict_get_or_null(
791 mc_libsimgrid_info->local_variables, frame_name))->variables;
793 end = xbt_dynar_length(variables_list) - 1;
795 cursor = (start + end) / 2;
796 current_var = (dw_variable_t)xbt_dynar_get_as(variables_list, cursor, dw_variable_t);
797 if(strcmp(current_var->name, var_name) == 0){
798 xbt_dynar_remove_at(variables_list, cursor, NULL);
800 end = xbt_dynar_length(variables_list) - 1;
801 }else if(strcmp(current_var->name, var_name) < 0){
814 void MC_new_stack_area(void *stack, char *name, void* context, size_t size){
816 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
820 if(stacks_areas == NULL)
821 stacks_areas = xbt_dynar_new(sizeof(stack_region_t), NULL);
823 stack_region_t region = NULL;
824 region = xbt_new0(s_stack_region_t, 1);
825 region->address = stack;
826 region->process_name = strdup(name);
827 region->context = context;
829 region->block = ((char*)stack - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
830 xbt_dynar_push(stacks_areas, ®ion);
836 void MC_ignore(void *addr, size_t size){
838 int raw_mem_set= (mmalloc_get_current_heap() == raw_heap);
842 if(mc_checkpoint_ignore == NULL)
843 mc_checkpoint_ignore = xbt_dynar_new(sizeof(mc_checkpoint_ignore_region_t), checkpoint_ignore_region_free_voidp);
845 mc_checkpoint_ignore_region_t region = xbt_new0(s_mc_checkpoint_ignore_region_t, 1);
849 if(xbt_dynar_is_empty(mc_checkpoint_ignore)){
850 xbt_dynar_push(mc_checkpoint_ignore, ®ion);
853 unsigned int cursor = 0;
855 int end = xbt_dynar_length(mc_checkpoint_ignore) -1;
856 mc_checkpoint_ignore_region_t current_region = NULL;
859 cursor = (start + end) / 2;
860 current_region = (mc_checkpoint_ignore_region_t)xbt_dynar_get_as(mc_checkpoint_ignore, cursor, mc_checkpoint_ignore_region_t);
861 if(current_region->addr == addr){
862 if(current_region->size == size){
863 checkpoint_ignore_region_free(region);
867 }else if(current_region->size < size){
872 }else if(current_region->addr < addr){
879 if(current_region->addr == addr){
880 if(current_region->size < size){
881 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
883 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
885 }else if(current_region->addr < addr){
886 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
888 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
896 /******************************* Initialisation of MC *******************************/
897 /*********************************************************************************/
899 static void MC_post_process_object_info(mc_object_info_t info) {
900 mc_object_info_t other_info = info == mc_binary_info ? mc_libsimgrid_info : mc_binary_info;
901 xbt_dict_cursor_t cursor = NULL;
903 dw_type_t type = NULL;
904 xbt_dict_foreach(info->types, cursor, key, type){
905 if(type->name && type->byte_size == 0) {
906 type->other_object_same_type = xbt_dict_get_or_null(other_info->types_by_name, type->name);
911 static void MC_init_debug_info(void) {
912 XBT_INFO("Get debug information ...");
914 memory_map_t maps = MC_get_memory_map();
916 /* Get local variables for state equality detection */
917 mc_binary_info = MC_find_object_info(maps, xbt_binary_name, 1);
918 mc_libsimgrid_info = MC_find_object_info(maps, libsimgrid_path, 0);
920 // Use information of the other objects:
921 MC_post_process_object_info(mc_binary_info);
922 MC_post_process_object_info(mc_libsimgrid_info);
924 MC_free_memory_map(maps);
925 XBT_INFO("Get debug information done !");
930 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
934 /* Initialize the data structures that must be persistent across every
935 iteration of the model-checker (in RAW memory) */
939 MC_init_memory_map_info();
940 MC_init_debug_info();
943 parmap = xbt_parmap_mc_new(xbt_os_get_numcores(), XBT_PARMAP_DEFAULT);
947 /* Ignore some variables from xbt/ex.h used by exception e for stacks comparison */
948 MC_ignore_local_variable("e", "*");
949 MC_ignore_local_variable("__ex_cleanup", "*");
950 MC_ignore_local_variable("__ex_mctx_en", "*");
951 MC_ignore_local_variable("__ex_mctx_me", "*");
952 MC_ignore_local_variable("__xbt_ex_ctx_ptr", "*");
953 MC_ignore_local_variable("_log_ev", "*");
954 MC_ignore_local_variable("_throw_ctx", "*");
955 MC_ignore_local_variable("ctx", "*");
957 MC_ignore_local_variable("next_context", "smx_ctx_sysv_suspend_serial");
958 MC_ignore_local_variable("i", "smx_ctx_sysv_suspend_serial");
960 /* Ignore local variable about time used for tracing */
961 MC_ignore_local_variable("start_time", "*");
963 MC_ignore_global_variable("mc_comp_times");
964 MC_ignore_global_variable("mc_snapshot_comparison_time");
965 MC_ignore_global_variable("mc_time");
966 MC_ignore_global_variable("smpi_current_rank");
967 MC_ignore_global_variable("counter"); /* Static variable used for tracing */
968 MC_ignore_global_variable("maestro_stack_start");
969 MC_ignore_global_variable("maestro_stack_end");
970 MC_ignore_global_variable("smx_total_comms");
972 MC_ignore_heap(&(simix_global->process_to_run), sizeof(simix_global->process_to_run));
973 MC_ignore_heap(&(simix_global->process_that_ran), sizeof(simix_global->process_that_ran));
974 MC_ignore_heap(simix_global->process_to_run, sizeof(*(simix_global->process_to_run)));
975 MC_ignore_heap(simix_global->process_that_ran, sizeof(*(simix_global->process_that_ran)));
977 smx_process_t process;
978 xbt_swag_foreach(process, simix_global->process_list){
979 MC_ignore_heap(&(process->process_hookup), sizeof(process->process_hookup));
987 static void MC_init_dot_output(){ /* FIXME : more colors */
991 colors[2] = "green3";
992 colors[3] = "goldenrod";
994 colors[5] = "purple";
995 colors[6] = "magenta";
996 colors[7] = "turquoise4";
997 colors[8] = "gray25";
998 colors[9] = "forestgreen";
999 colors[10] = "hotpink";
1000 colors[11] = "lightblue";
1003 dot_output = fopen(_sg_mc_dot_output_file, "w");
1005 if(dot_output == NULL){
1006 perror("Error open dot output file");
1010 fprintf(dot_output, "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");
1014 /******************************* Core of MC *******************************/
1015 /**************************************************************************/
1017 void MC_do_the_modelcheck_for_real() {
1020 mc_comp_times = xbt_new0(s_mc_comparison_times_t, 1);
1023 if (!_sg_mc_property_file || _sg_mc_property_file[0]=='\0') {
1024 if (mc_reduce_kind==e_mc_reduce_unset)
1025 mc_reduce_kind=e_mc_reduce_dpor;
1027 XBT_INFO("Check a safety property");
1028 MC_modelcheck_safety();
1032 if (mc_reduce_kind==e_mc_reduce_unset)
1033 mc_reduce_kind=e_mc_reduce_none;
1035 XBT_INFO("Check the liveness property %s",_sg_mc_property_file);
1036 MC_automaton_load(_sg_mc_property_file);
1037 MC_modelcheck_liveness();
1041 void MC_modelcheck_safety(void)
1043 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1045 /* Check if MC is already initialized */
1046 if (initial_state_safety)
1049 mc_time = xbt_new0(double, simix_process_maxpid);
1051 /* mc_time refers to clock for each process -> ignore it for heap comparison */
1052 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
1054 /* Initialize the data structures that must be persistent across every
1055 iteration of the model-checker (in RAW memory) */
1059 /* Initialize statistics */
1060 mc_stats = xbt_new0(s_mc_stats_t, 1);
1061 mc_stats->state_size = 1;
1063 /* Create exploration stack */
1064 mc_stack_safety = xbt_fifo_new();
1066 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
1067 MC_init_dot_output();
1071 if(_sg_mc_visited > 0){
1075 MC_init_memory_map_info();
1076 MC_init_debug_info();
1083 /* Save the initial state */
1084 initial_state_safety = xbt_new0(s_mc_global_t, 1);
1085 initial_state_safety->snapshot = MC_take_snapshot(0);
1086 initial_state_safety->initial_communications_pattern_done = 0;
1087 initial_state_safety->comm_deterministic = 1;
1088 initial_state_safety->send_deterministic = 1;
1100 void MC_modelcheck_liveness(){
1102 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1106 mc_time = xbt_new0(double, simix_process_maxpid);
1108 /* mc_time refers to clock for each process -> ignore it for heap comparison */
1109 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
1113 /* Initialize statistics */
1114 mc_stats = xbt_new0(s_mc_stats_t, 1);
1115 mc_stats->state_size = 1;
1117 /* Create exploration stack */
1118 mc_stack_liveness = xbt_fifo_new();
1120 /* Create the initial state */
1121 initial_state_liveness = xbt_new0(s_mc_global_t, 1);
1123 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
1124 MC_init_dot_output();
1131 MC_print_statistics(mc_stats);
1148 int SIMIX_pre_mc_random(smx_simcall_t simcall, int min, int max){
1150 return simcall->mc_value;
1154 int MC_random(int min, int max)
1156 /*FIXME: return mc_current_state->executed_transition->random.value;*/
1157 return simcall_mc_random(min, max);
1161 * \brief Schedules all the process that are ready to run
1163 void MC_wait_for_requests(void)
1165 smx_process_t process;
1169 while (!xbt_dynar_is_empty(simix_global->process_to_run)) {
1170 SIMIX_process_runall();
1171 xbt_dynar_foreach(simix_global->process_that_ran, iter, process) {
1172 req = &process->simcall;
1173 if (req->call != SIMCALL_NONE && !MC_request_is_visible(req))
1174 SIMIX_simcall_pre(req, 0);
1179 int MC_deadlock_check()
1181 int deadlock = FALSE;
1182 smx_process_t process;
1183 if(xbt_swag_size(simix_global->process_list)){
1185 xbt_swag_foreach(process, simix_global->process_list){
1186 if(process->simcall.call != SIMCALL_NONE
1187 && MC_request_is_enabled(&process->simcall)){
1197 * \brief Re-executes from the state at position start all the transitions indicated by
1198 * a given model-checker stack.
1199 * \param stack The stack with the transitions to execute.
1200 * \param start Start index to begin the re-execution.
1202 void MC_replay(xbt_fifo_t stack, int start)
1204 int raw_mem = (mmalloc_get_current_heap() == raw_heap);
1206 int value, i = 1, count = 1;
1208 smx_simcall_t req = NULL, saved_req = NULL;
1209 xbt_fifo_item_t item, start_item;
1211 smx_process_t process = NULL;
1212 int comm_pattern = 0;
1214 XBT_DEBUG("**** Begin Replay ****");
1217 /* Restore the initial state */
1218 MC_restore_snapshot(initial_state_safety->snapshot);
1219 /* At the moment of taking the snapshot the raw heap was set, so restoring
1220 * it will set it back again, we have to unset it to continue */
1224 start_item = xbt_fifo_get_last_item(stack);
1227 start_item = xbt_fifo_get_prev_item(start_item);
1233 xbt_dict_reset(first_enabled_state);
1234 xbt_swag_foreach(process, simix_global->process_list){
1235 if(MC_process_is_enabled(process)){
1236 char *key = bprintf("%lu", process->pid);
1237 char *data = bprintf("%d", count);
1238 xbt_dict_set(first_enabled_state, key, data, NULL);
1242 xbt_dynar_reset(communications_pattern);
1246 /* Traverse the stack from the state at position start and re-execute the transitions */
1247 for (item = start_item;
1248 item != xbt_fifo_get_first_item(stack);
1249 item = xbt_fifo_get_prev_item(item)) {
1251 state = (mc_state_t) xbt_fifo_get_item_content(item);
1252 saved_req = MC_state_get_executed_request(state, &value);
1255 char *key = bprintf("%lu", saved_req->issuer->pid);
1256 xbt_dict_remove(first_enabled_state, key);
1261 /* because we got a copy of the executed request, we have to fetch the
1262 real one, pointed by the request field of the issuer process */
1263 req = &saved_req->issuer->simcall;
1265 /* Debug information */
1266 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
1267 req_str = MC_request_to_string(req, value);
1268 XBT_DEBUG("Replay: %s (%p)", req_str, state);
1273 if(req->call == SIMCALL_COMM_ISEND)
1275 else if(req->call == SIMCALL_COMM_IRECV)
1278 SIMIX_simcall_pre(req, value);
1281 if(comm_pattern != 0){
1282 get_comm_pattern(communications_pattern, req, comm_pattern);
1288 MC_wait_for_requests();
1293 /* Insert in dict all enabled processes */
1294 xbt_swag_foreach(process, simix_global->process_list){
1295 if(MC_process_is_enabled(process) /*&& !MC_state_process_is_done(state, process)*/){
1296 char *key = bprintf("%lu", process->pid);
1297 if(xbt_dict_get_or_null(first_enabled_state, key) == NULL){
1298 char *data = bprintf("%d", count);
1299 xbt_dict_set(first_enabled_state, key, data, NULL);
1306 /* Update statistics */
1307 mc_stats->visited_states++;
1308 mc_stats->executed_transitions++;
1312 XBT_DEBUG("**** End Replay ****");
1322 void MC_replay_liveness(xbt_fifo_t stack, int all_stack)
1325 initial_state_liveness->raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1329 smx_simcall_t req = NULL, saved_req = NULL;
1330 xbt_fifo_item_t item;
1335 XBT_DEBUG("**** Begin Replay ****");
1337 /* Restore the initial state */
1338 MC_restore_snapshot(initial_state_liveness->snapshot);
1340 /* At the moment of taking the snapshot the raw heap was set, so restoring
1341 * it will set it back again, we have to unset it to continue */
1342 if(!initial_state_liveness->raw_mem_set)
1347 item = xbt_fifo_get_last_item(stack);
1349 while(depth <= xbt_fifo_size(stack)){
1351 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
1352 state = (mc_state_t) pair->graph_state;
1354 if(pair->requests > 0){
1356 saved_req = MC_state_get_executed_request(state, &value);
1357 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
1359 if(saved_req != NULL){
1360 /* because we got a copy of the executed request, we have to fetch the
1361 real one, pointed by the request field of the issuer process */
1362 req = &saved_req->issuer->simcall;
1363 //XBT_DEBUG("Req->call %u", req->call);
1365 /* Debug information */
1366 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
1367 req_str = MC_request_to_string(req, value);
1368 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
1374 SIMIX_simcall_pre(req, value);
1375 MC_wait_for_requests();
1380 /* Update statistics */
1381 mc_stats->visited_pairs++;
1382 mc_stats->executed_transitions++;
1384 item = xbt_fifo_get_prev_item(item);
1389 /* Traverse the stack from the initial state and re-execute the transitions */
1390 for (item = xbt_fifo_get_last_item(stack);
1391 item != xbt_fifo_get_first_item(stack);
1392 item = xbt_fifo_get_prev_item(item)) {
1394 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
1395 state = (mc_state_t) pair->graph_state;
1397 if(pair->requests > 0){
1399 saved_req = MC_state_get_executed_request(state, &value);
1400 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
1402 if(saved_req != NULL){
1403 /* because we got a copy of the executed request, we have to fetch the
1404 real one, pointed by the request field of the issuer process */
1405 req = &saved_req->issuer->simcall;
1406 //XBT_DEBUG("Req->call %u", req->call);
1408 /* Debug information */
1409 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
1410 req_str = MC_request_to_string(req, value);
1411 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
1417 SIMIX_simcall_pre(req, value);
1418 MC_wait_for_requests();
1423 /* Update statistics */
1424 mc_stats->visited_pairs++;
1425 mc_stats->executed_transitions++;
1429 XBT_DEBUG("**** End Replay ****");
1431 if(initial_state_liveness->raw_mem_set)
1439 * \brief Dumps the contents of a model-checker's stack and shows the actual
1441 * \param stack The stack to dump
1443 void MC_dump_stack_safety(xbt_fifo_t stack)
1446 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1448 MC_show_stack_safety(stack);
1450 if(!_sg_mc_checkpoint){
1455 while ((state = (mc_state_t) xbt_fifo_pop(stack)) != NULL)
1456 MC_state_delete(state);
1469 void MC_show_stack_safety(xbt_fifo_t stack)
1472 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1478 xbt_fifo_item_t item;
1480 char *req_str = NULL;
1482 for (item = xbt_fifo_get_last_item(stack);
1483 (item ? (state = (mc_state_t) (xbt_fifo_get_item_content(item)))
1484 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
1485 req = MC_state_get_executed_request(state, &value);
1487 req_str = MC_request_to_string(req, value);
1488 XBT_INFO("%s", req_str);
1497 void MC_show_deadlock(smx_simcall_t req)
1499 /*char *req_str = NULL;*/
1500 XBT_INFO("**************************");
1501 XBT_INFO("*** DEAD-LOCK DETECTED ***");
1502 XBT_INFO("**************************");
1503 XBT_INFO("Locked request:");
1504 /*req_str = MC_request_to_string(req);
1505 XBT_INFO("%s", req_str);
1506 xbt_free(req_str);*/
1507 XBT_INFO("Counter-example execution trace:");
1508 MC_dump_stack_safety(mc_stack_safety);
1509 MC_print_statistics(mc_stats);
1513 void MC_show_stack_liveness(xbt_fifo_t stack){
1516 xbt_fifo_item_t item;
1518 char *req_str = NULL;
1520 for (item = xbt_fifo_get_last_item(stack);
1521 (item ? (pair = (mc_pair_t) (xbt_fifo_get_item_content(item)))
1522 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
1523 req = MC_state_get_executed_request(pair->graph_state, &value);
1525 if(pair->requests>0){
1526 req_str = MC_request_to_string(req, value);
1527 XBT_INFO("%s", req_str);
1530 XBT_INFO("End of system requests but evolution in Büchi automaton");
1536 void MC_dump_stack_liveness(xbt_fifo_t stack){
1538 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1543 while ((pair = (mc_pair_t) xbt_fifo_pop(stack)) != NULL)
1544 MC_pair_delete(pair);
1553 void MC_print_statistics(mc_stats_t stats)
1555 if(stats->expanded_pairs == 0){
1556 XBT_INFO("Expanded states = %lu", stats->expanded_states);
1557 XBT_INFO("Visited states = %lu", stats->visited_states);
1559 XBT_INFO("Expanded pairs = %lu", stats->expanded_pairs);
1560 XBT_INFO("Visited pairs = %lu", stats->visited_pairs);
1562 XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
1564 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0')){
1565 fprintf(dot_output, "}\n");
1568 if(initial_state_safety != NULL){
1569 // XBT_INFO("Communication-deterministic : %s", !initial_state_safety->comm_deterministic ? "No" : "Yes");
1570 // XBT_INFO("Send-deterministic : %s", !initial_state_safety->send_deterministic ? "No" : "Yes");
1575 void MC_assert(int prop)
1577 if (MC_is_active() && !prop){
1578 XBT_INFO("**************************");
1579 XBT_INFO("*** PROPERTY NOT VALID ***");
1580 XBT_INFO("**************************");
1581 XBT_INFO("Counter-example execution trace:");
1582 MC_dump_stack_safety(mc_stack_safety);
1583 MC_print_statistics(mc_stats);
1589 user_max_depth_reached = 1;
1592 void MC_process_clock_add(smx_process_t process, double amount)
1594 mc_time[process->pid] += amount;
1597 double MC_process_clock_get(smx_process_t process)
1601 return mc_time[process->pid];
1609 void MC_automaton_load(const char *file){
1611 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1615 if (_mc_property_automaton == NULL)
1616 _mc_property_automaton = xbt_automaton_new();
1618 xbt_automaton_load(_mc_property_automaton,file);
1627 void MC_automaton_new_propositional_symbol(const char* id, void* fct) {
1629 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1633 if (_mc_property_automaton == NULL)
1634 _mc_property_automaton = xbt_automaton_new();
1636 xbt_automaton_propositional_symbol_new(_mc_property_automaton,id,fct);