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. */
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;
37 int _sg_mc_comms_determinism=0;
38 int _sg_mc_send_determinism=0;
40 int user_max_depth_reached = 0;
42 void _mc_cfg_cb_reduce(const char *name, int pos) {
43 if (_sg_cfg_init_status && !_sg_do_model_check) {
44 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.");
46 char *val= xbt_cfg_get_string(_sg_cfg_set, name);
47 if (!strcasecmp(val,"none")) {
48 mc_reduce_kind = e_mc_reduce_none;
49 } else if (!strcasecmp(val,"dpor")) {
50 mc_reduce_kind = e_mc_reduce_dpor;
52 xbt_die("configuration option %s can only take 'none' or 'dpor' as a value",name);
56 void _mc_cfg_cb_checkpoint(const char *name, int pos) {
57 if (_sg_cfg_init_status && !_sg_do_model_check) {
58 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.");
60 _sg_mc_checkpoint = xbt_cfg_get_int(_sg_cfg_set, name);
62 void _mc_cfg_cb_property(const char *name, int pos) {
63 if (_sg_cfg_init_status && !_sg_do_model_check) {
64 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.");
66 _sg_mc_property_file= xbt_cfg_get_string(_sg_cfg_set, name);
69 void _mc_cfg_cb_timeout(const char *name, int pos) {
70 if (_sg_cfg_init_status && !_sg_do_model_check) {
71 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.");
73 _sg_mc_timeout= xbt_cfg_get_boolean(_sg_cfg_set, name);
76 void _mc_cfg_cb_hash(const char *name, int pos) {
77 if (_sg_cfg_init_status && !_sg_do_model_check) {
78 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.");
80 _sg_mc_hash= xbt_cfg_get_boolean(_sg_cfg_set, name);
83 void _mc_cfg_cb_max_depth(const char *name, int pos) {
84 if (_sg_cfg_init_status && !_sg_do_model_check) {
85 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.");
87 _sg_mc_max_depth= xbt_cfg_get_int(_sg_cfg_set, name);
90 void _mc_cfg_cb_visited(const char *name, int pos) {
91 if (_sg_cfg_init_status && !_sg_do_model_check) {
92 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.");
94 _sg_mc_visited= xbt_cfg_get_int(_sg_cfg_set, name);
97 void _mc_cfg_cb_dot_output(const char *name, int pos) {
98 if (_sg_cfg_init_status && !_sg_do_model_check) {
99 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.");
101 _sg_mc_dot_output_file= xbt_cfg_get_string(_sg_cfg_set, name);
104 void _mc_cfg_cb_comms_determinism(const char *name, int pos) {
105 if (_sg_cfg_init_status && !_sg_do_model_check) {
106 xbt_die("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.");
108 _sg_mc_comms_determinism= xbt_cfg_get_boolean(_sg_cfg_set, name);
111 void _mc_cfg_cb_send_determinism(const char *name, int pos) {
112 if (_sg_cfg_init_status && !_sg_do_model_check) {
113 xbt_die("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.");
115 _sg_mc_send_determinism= xbt_cfg_get_boolean(_sg_cfg_set, name);
118 /* MC global data structures */
119 mc_state_t mc_current_state = NULL;
120 char mc_replay_mode = FALSE;
121 double *mc_time = NULL;
122 __thread mc_comparison_times_t mc_comp_times = NULL;
123 __thread double mc_snapshot_comparison_time;
124 mc_stats_t mc_stats = NULL;
127 xbt_fifo_t mc_stack_safety = NULL;
128 mc_global_t initial_state_safety = NULL;
131 xbt_fifo_t mc_stack_liveness = NULL;
132 mc_global_t initial_state_liveness = NULL;
135 xbt_automaton_t _mc_property_automaton = NULL;
138 mc_object_info_t mc_libsimgrid_info = NULL;
139 mc_object_info_t mc_binary_info = NULL;
141 /* Ignore mechanism */
142 extern xbt_dynar_t mc_heap_comparison_ignore;
143 extern xbt_dynar_t stacks_areas;
146 FILE *dot_output = NULL;
147 const char* colors[13];
150 /******************************* DWARF Information *******************************/
151 /**********************************************************************************/
153 /************************** Free functions *************************/
155 static void dw_location_free(dw_location_t l){
157 if(l->type == e_dw_loclist)
158 xbt_dynar_free(&(l->location.loclist));
159 else if(l->type == e_dw_compose)
160 xbt_dynar_free(&(l->location.compose));
161 else if(l->type == e_dw_arithmetic)
162 xbt_free(l->location.arithmetic);
168 static void dw_location_entry_free(dw_location_entry_t e){
169 dw_location_free(e->location);
173 void dw_type_free(dw_type_t t){
175 xbt_free(t->dw_type_id);
176 xbt_dynar_free(&(t->members));
180 static void dw_type_free_voidp(void *t){
181 dw_type_free((dw_type_t) * (void **) t);
184 void dw_variable_free(dw_variable_t v){
187 xbt_free(v->type_origin);
189 dw_location_free(v->location);
194 void dw_variable_free_voidp(void *t){
195 dw_variable_free((dw_variable_t) * (void **) t);
200 mc_object_info_t MC_new_object_info(void) {
201 mc_object_info_t res = xbt_new0(s_mc_object_info_t, 1);
202 res->subprograms = xbt_dynar_new(sizeof(dw_frame_t), NULL);
203 res->global_variables = xbt_dynar_new(sizeof(dw_variable_t), dw_variable_free_voidp);
204 res->types = xbt_dict_new_homogeneous(NULL);
205 res->types_by_name = xbt_dict_new_homogeneous(NULL);
209 void MC_free_object_info(mc_object_info_t* info) {
210 xbt_free(&(*info)->file_name);
211 xbt_dynar_free(&(*info)->subprograms);
212 xbt_dynar_free(&(*info)->global_variables);
213 xbt_dict_free(&(*info)->types);
214 xbt_dict_free(&(*info)->types_by_name);
216 xbt_dynar_free(&(*info)->functions_index);
222 void* MC_object_base_address(mc_object_info_t info) {
223 void* result = info->start_exec;
224 if(info->start_rw!=NULL && result > (void*) info->start_rw) result = info->start_rw;
225 if(info->start_ro!=NULL && result > (void*) info->start_ro) result = info->start_ro;
229 // ***** Functions index
231 static int MC_compare_frame_index_items(mc_function_index_item_t a, mc_function_index_item_t b) {
232 if(a->low_pc < b->low_pc)
234 else if(a->low_pc == b->low_pc)
240 static void MC_make_functions_index(mc_object_info_t info) {
241 xbt_dynar_t index = xbt_dynar_new(sizeof(s_mc_function_index_item_t), NULL);
243 // Populate the array:
244 dw_frame_t frame = NULL;
246 xbt_dynar_foreach(info->subprograms, cursor, frame) {
247 if(frame->low_pc==NULL)
249 s_mc_function_index_item_t entry;
250 entry.low_pc = frame->low_pc;
251 entry.high_pc = frame->high_pc;
252 entry.function = frame;
253 xbt_dynar_push(index, &entry);
256 mc_function_index_item_t base = (mc_function_index_item_t) xbt_dynar_get_ptr(index, 0);
258 // Sort the array by low_pc:
260 xbt_dynar_length(index),
261 sizeof(s_mc_function_index_item_t),
262 (int (*)(const void *, const void *))MC_compare_frame_index_items);
264 info->functions_index = index;
267 mc_object_info_t MC_ip_find_object_info(void* ip) {
268 mc_object_info_t infos[2] = { mc_binary_info, mc_libsimgrid_info };
271 for(i=0; i!=n; ++i) {
272 if(ip >= (void*)infos[i]->start_exec && ip <= (void*)infos[i]->end_exec) {
279 static dw_frame_t MC_find_function_by_ip_and_object(void* ip, mc_object_info_t info) {
280 xbt_dynar_t dynar = info->functions_index;
281 mc_function_index_item_t base = (mc_function_index_item_t) xbt_dynar_get_ptr(dynar, 0);
283 int j = xbt_dynar_length(dynar) - 1;
285 int k = i + ((j-i)/2);
286 if(ip < base[k].low_pc) {
288 } else if(ip > base[k].high_pc) {
291 return base[k].function;
297 dw_frame_t MC_find_function_by_ip(void* ip) {
298 mc_object_info_t info = MC_ip_find_object_info(ip);
302 return MC_find_function_by_ip_and_object(ip, info);
305 static void MC_post_process_variables(mc_object_info_t info) {
307 dw_variable_t variable = NULL;
308 xbt_dynar_foreach(info->global_variables, cursor, variable) {
309 if(variable->type_origin) {
310 variable->type = xbt_dict_get_or_null(info->types, variable->type_origin);
315 static void MC_post_process_functions(mc_object_info_t info) {
317 dw_frame_t function = NULL;
318 xbt_dynar_foreach(info->subprograms, cursor, function) {
319 unsigned cursor2 = 0;
320 dw_variable_t variable = NULL;
321 xbt_dynar_foreach(function->variables, cursor2, variable) {
322 if(variable->type_origin) {
323 variable->type = xbt_dict_get_or_null(info->types, variable->type_origin);
329 /** \brief Finds informations about a given shared object/executable */
330 mc_object_info_t MC_find_object_info(memory_map_t maps, char* name, int executable) {
331 mc_object_info_t result = MC_new_object_info();
333 result->flags |= MC_OBJECT_INFO_EXECUTABLE;
334 result->file_name = xbt_strdup(name);
335 MC_find_object_address(maps, result);
336 MC_dwarf_get_variables(result);
337 MC_post_process_types(result);
338 MC_post_process_variables(result);
339 MC_post_process_functions(result);
340 MC_make_functions_index(result);
344 /*************************************************************************/
346 static dw_location_t MC_dwarf_get_location(xbt_dict_t location_list, char *expr){
348 dw_location_t loc = xbt_new0(s_dw_location_t, 1);
350 if(location_list != NULL){
352 char *key = bprintf("%lu", strtoul(expr, NULL, 16));
353 loc->type = e_dw_loclist;
354 loc->location.loclist = (xbt_dynar_t)xbt_dict_get_or_null(location_list, key);
355 if(loc->location.loclist == NULL)
356 XBT_INFO("Key not found in loclist");
363 char *tok = NULL, *tok2 = NULL;
365 xbt_dynar_t tokens1 = xbt_str_split(expr, ";");
368 loc->type = e_dw_compose;
369 loc->location.compose = xbt_dynar_new(sizeof(dw_location_t), NULL);
371 while(cursor < xbt_dynar_length(tokens1)){
373 tok = xbt_dynar_get_as(tokens1, cursor, char*);
374 tokens2 = xbt_str_split(tok, " ");
375 tok2 = xbt_dynar_get_as(tokens2, 0, char*);
377 if(strncmp(tok2, "DW_OP_reg", 9) == 0){
378 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
379 new_element->type = e_dw_register;
380 new_element->location.reg = atoi(strtok(tok2, "DW_OP_reg"));
381 xbt_dynar_push(loc->location.compose, &new_element);
382 }else if(strcmp(tok2, "DW_OP_fbreg:") == 0){
383 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
384 new_element->type = e_dw_fbregister_op;
385 new_element->location.fbreg_op = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
386 xbt_dynar_push(loc->location.compose, &new_element);
387 }else if(strncmp(tok2, "DW_OP_breg", 10) == 0){
388 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
389 new_element->type = e_dw_bregister_op;
390 new_element->location.breg_op.reg = atoi(strtok(tok2, "DW_OP_breg"));
391 new_element->location.breg_op.offset = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
392 xbt_dynar_push(loc->location.compose, &new_element);
393 }else if(strncmp(tok2, "DW_OP_lit", 9) == 0){
394 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
395 new_element->type = e_dw_lit;
396 new_element->location.lit = atoi(strtok(tok2, "DW_OP_lit"));
397 xbt_dynar_push(loc->location.compose, &new_element);
398 }else if(strcmp(tok2, "DW_OP_piece:") == 0){
399 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
400 new_element->type = e_dw_piece;
401 new_element->location.piece = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
402 xbt_dynar_push(loc->location.compose, &new_element);
403 }else if(strcmp(tok2, "DW_OP_plus_uconst:") == 0){
404 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
405 new_element->type = e_dw_plus_uconst;
406 new_element->location.plus_uconst = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char *));
407 xbt_dynar_push(loc->location.compose, &new_element);
408 }else if(strcmp(tok, "DW_OP_abs") == 0 ||
409 strcmp(tok, "DW_OP_and") == 0 ||
410 strcmp(tok, "DW_OP_div") == 0 ||
411 strcmp(tok, "DW_OP_minus") == 0 ||
412 strcmp(tok, "DW_OP_mod") == 0 ||
413 strcmp(tok, "DW_OP_mul") == 0 ||
414 strcmp(tok, "DW_OP_neg") == 0 ||
415 strcmp(tok, "DW_OP_not") == 0 ||
416 strcmp(tok, "DW_OP_or") == 0 ||
417 strcmp(tok, "DW_OP_plus") == 0){
418 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
419 new_element->type = e_dw_arithmetic;
420 new_element->location.arithmetic = strdup(strtok(tok2, "DW_OP_"));
421 xbt_dynar_push(loc->location.compose, &new_element);
422 }else if(strcmp(tok, "DW_OP_stack_value") == 0){
423 }else if(strcmp(tok2, "DW_OP_deref_size:") == 0){
424 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
425 new_element->type = e_dw_deref;
426 new_element->location.deref_size = (unsigned int short) atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
427 xbt_dynar_push(loc->location.compose, &new_element);
428 }else if(strcmp(tok, "DW_OP_deref") == 0){
429 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
430 new_element->type = e_dw_deref;
431 new_element->location.deref_size = sizeof(void *);
432 xbt_dynar_push(loc->location.compose, &new_element);
433 }else if(strcmp(tok2, "DW_OP_constu:") == 0){
434 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
435 new_element->type = e_dw_uconstant;
436 new_element->location.uconstant.bytes = 1;
437 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
438 xbt_dynar_push(loc->location.compose, &new_element);
439 }else if(strcmp(tok2, "DW_OP_consts:") == 0){
440 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
441 new_element->type = e_dw_sconstant;
442 new_element->location.sconstant.bytes = 1;
443 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
444 xbt_dynar_push(loc->location.compose, &new_element);
445 }else if(strcmp(tok2, "DW_OP_const1u:") == 0 ||
446 strcmp(tok2, "DW_OP_const2u:") == 0 ||
447 strcmp(tok2, "DW_OP_const4u:") == 0 ||
448 strcmp(tok2, "DW_OP_const8u:") == 0){
449 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
450 new_element->type = e_dw_uconstant;
451 new_element->location.uconstant.bytes = tok2[11] - '0';
452 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
453 xbt_dynar_push(loc->location.compose, &new_element);
454 }else if(strcmp(tok, "DW_OP_const1s") == 0 ||
455 strcmp(tok, "DW_OP_const2s") == 0 ||
456 strcmp(tok, "DW_OP_const4s") == 0 ||
457 strcmp(tok, "DW_OP_const8s") == 0){
458 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
459 new_element->type = e_dw_sconstant;
460 new_element->location.sconstant.bytes = tok2[11] - '0';
461 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
462 xbt_dynar_push(loc->location.compose, &new_element);
464 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
465 new_element->type = e_dw_unsupported;
466 xbt_dynar_push(loc->location.compose, &new_element);
470 xbt_dynar_free(&tokens2);
474 xbt_dynar_free(&tokens1);
482 /** \brief Finds a frame (DW_TAG_subprogram) from an DWARF offset in the rangd of this subprogram
484 * The offset can be an offset of a child DW_TAG_variable.
486 static dw_frame_t MC_dwarf_get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset){
488 xbt_dict_cursor_t cursor = NULL;
492 xbt_dict_foreach(all_variables, cursor, name, res) {
493 if(offset >= res->start && offset < res->end){
494 xbt_dict_cursor_free(&cursor);
499 xbt_dict_cursor_free(&cursor);
504 static dw_variable_t MC_dwarf_get_variable_by_name(dw_frame_t frame, char *var){
506 unsigned int cursor = 0;
507 dw_variable_t current_var;
509 xbt_dynar_foreach(frame->variables, cursor, current_var){
510 if(strcmp(var, current_var->name) == 0)
517 static int MC_dwarf_get_variable_index(xbt_dynar_t variables, char* var, void *address){
519 if(xbt_dynar_is_empty(variables))
522 unsigned int cursor = 0;
524 int end = xbt_dynar_length(variables) - 1;
525 dw_variable_t var_test = NULL;
528 cursor = (start + end) / 2;
529 var_test = (dw_variable_t)xbt_dynar_get_as(variables, cursor, dw_variable_t);
530 if(strcmp(var_test->name, var) < 0){
532 }else if(strcmp(var_test->name, var) > 0){
535 if(address){ /* global variable */
536 if(var_test->address == address)
538 if(var_test->address > address)
542 }else{ /* local variable */
548 if(strcmp(var_test->name, var) == 0){
549 if(address && var_test->address < address)
553 }else if(strcmp(var_test->name, var) < 0)
560 void MC_dwarf_register_global_variable(mc_object_info_t info, dw_variable_t variable) {
561 int index = MC_dwarf_get_variable_index(info->global_variables, variable->name, variable->address);
563 xbt_dynar_insert_at(info->global_variables, index, &variable);
567 void MC_dwarf_register_non_global_variable(mc_object_info_t info, dw_frame_t frame, dw_variable_t variable) {
568 xbt_assert(frame, "Frame is NULL");
569 int index = MC_dwarf_get_variable_index(frame->variables, variable->name, NULL);
571 xbt_dynar_insert_at(frame->variables, index, &variable);
575 void MC_dwarf_register_variable(mc_object_info_t info, dw_frame_t frame, dw_variable_t variable) {
577 MC_dwarf_register_global_variable(info, variable);
579 xbt_die("No frame for this local variable");
581 MC_dwarf_register_non_global_variable(info, frame, variable);
585 /******************************* Ignore mechanism *******************************/
586 /*********************************************************************************/
588 xbt_dynar_t mc_checkpoint_ignore;
590 typedef struct s_mc_stack_ignore_variable{
593 }s_mc_stack_ignore_variable_t, *mc_stack_ignore_variable_t;
595 /**************************** Free functions ******************************/
597 static void stack_ignore_variable_free(mc_stack_ignore_variable_t v){
598 xbt_free(v->var_name);
603 static void stack_ignore_variable_free_voidp(void *v){
604 stack_ignore_variable_free((mc_stack_ignore_variable_t) * (void **) v);
607 void heap_ignore_region_free(mc_heap_ignore_region_t r){
611 void heap_ignore_region_free_voidp(void *r){
612 heap_ignore_region_free((mc_heap_ignore_region_t) * (void **) r);
615 static void checkpoint_ignore_region_free(mc_checkpoint_ignore_region_t r){
619 static void checkpoint_ignore_region_free_voidp(void *r){
620 checkpoint_ignore_region_free((mc_checkpoint_ignore_region_t) * (void **) r);
623 /***********************************************************************/
625 void MC_ignore_heap(void *address, size_t size){
627 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
631 mc_heap_ignore_region_t region = NULL;
632 region = xbt_new0(s_mc_heap_ignore_region_t, 1);
633 region->address = address;
636 region->block = ((char*)address - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
638 if(((xbt_mheap_t)std_heap)->heapinfo[region->block].type == 0){
639 region->fragment = -1;
640 ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_block.ignore++;
642 region->fragment = ((uintptr_t) (ADDR2UINT (address) % (BLOCKSIZE))) >> ((xbt_mheap_t)std_heap)->heapinfo[region->block].type;
643 ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_frag.ignore[region->fragment]++;
646 if(mc_heap_comparison_ignore == NULL){
647 mc_heap_comparison_ignore = xbt_dynar_new(sizeof(mc_heap_ignore_region_t), heap_ignore_region_free_voidp);
648 xbt_dynar_push(mc_heap_comparison_ignore, ®ion);
654 unsigned int cursor = 0;
655 mc_heap_ignore_region_t current_region = NULL;
657 int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
660 cursor = (start + end) / 2;
661 current_region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
662 if(current_region->address == address){
663 heap_ignore_region_free(region);
667 }else if(current_region->address < address){
674 if(current_region->address < address)
675 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor + 1, ®ion);
677 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor, ®ion);
683 void MC_remove_ignore_heap(void *address, size_t size){
685 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
689 unsigned int cursor = 0;
691 int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
692 mc_heap_ignore_region_t region;
693 int ignore_found = 0;
696 cursor = (start + end) / 2;
697 region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
698 if(region->address == address){
701 }else if(region->address < address){
704 if((char * )region->address <= ((char *)address + size)){
713 if(ignore_found == 1){
714 xbt_dynar_remove_at(mc_heap_comparison_ignore, cursor, NULL);
715 MC_remove_ignore_heap(address, size);
723 void MC_ignore_global_variable(const char *name){
725 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
729 xbt_assert(mc_libsimgrid_info, "MC subsystem not initialized");
731 unsigned int cursor = 0;
732 dw_variable_t current_var;
734 int end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
737 cursor = (start + end) /2;
738 current_var = (dw_variable_t)xbt_dynar_get_as(mc_libsimgrid_info->global_variables, cursor, dw_variable_t);
739 if(strcmp(current_var->name, name) == 0){
740 xbt_dynar_remove_at(mc_libsimgrid_info->global_variables, cursor, NULL);
742 end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
743 }else if(strcmp(current_var->name, name) < 0){
754 static void MC_ignore_local_variable_in_object(const char *var_name, const char *frame_name, mc_object_info_t info) {
759 dw_variable_t current_var;
761 xbt_dynar_foreach(info->subprograms, cursor2, frame) {
763 if(frame_name && strcmp(frame_name, frame->name))
767 end = xbt_dynar_length(frame->variables) - 1;
769 cursor = (start + end) / 2;
770 current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
772 int compare = strcmp(current_var->name, var_name);
774 xbt_dynar_remove_at(frame->variables, cursor, NULL);
776 end = xbt_dynar_length(frame->variables) - 1;
777 }else if(compare < 0){
786 void MC_ignore_local_variable(const char *var_name, const char *frame_name){
788 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
790 if(strcmp(frame_name, "*") == 0)
795 MC_ignore_local_variable_in_object(var_name, frame_name, mc_libsimgrid_info);
797 MC_ignore_local_variable_in_object(var_name, frame_name, mc_binary_info);
804 void MC_new_stack_area(void *stack, char *name, void* context, size_t size){
806 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
810 if(stacks_areas == NULL)
811 stacks_areas = xbt_dynar_new(sizeof(stack_region_t), NULL);
813 stack_region_t region = NULL;
814 region = xbt_new0(s_stack_region_t, 1);
815 region->address = stack;
816 region->process_name = strdup(name);
817 region->context = context;
819 region->block = ((char*)stack - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
820 xbt_dynar_push(stacks_areas, ®ion);
826 void MC_ignore(void *addr, size_t size){
828 int raw_mem_set= (mmalloc_get_current_heap() == raw_heap);
832 if(mc_checkpoint_ignore == NULL)
833 mc_checkpoint_ignore = xbt_dynar_new(sizeof(mc_checkpoint_ignore_region_t), checkpoint_ignore_region_free_voidp);
835 mc_checkpoint_ignore_region_t region = xbt_new0(s_mc_checkpoint_ignore_region_t, 1);
839 if(xbt_dynar_is_empty(mc_checkpoint_ignore)){
840 xbt_dynar_push(mc_checkpoint_ignore, ®ion);
843 unsigned int cursor = 0;
845 int end = xbt_dynar_length(mc_checkpoint_ignore) -1;
846 mc_checkpoint_ignore_region_t current_region = NULL;
849 cursor = (start + end) / 2;
850 current_region = (mc_checkpoint_ignore_region_t)xbt_dynar_get_as(mc_checkpoint_ignore, cursor, mc_checkpoint_ignore_region_t);
851 if(current_region->addr == addr){
852 if(current_region->size == size){
853 checkpoint_ignore_region_free(region);
857 }else if(current_region->size < size){
862 }else if(current_region->addr < addr){
869 if(current_region->addr == addr){
870 if(current_region->size < size){
871 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
873 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
875 }else if(current_region->addr < addr){
876 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
878 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
886 /******************************* Initialisation of MC *******************************/
887 /*********************************************************************************/
889 static void MC_post_process_object_info(mc_object_info_t info) {
890 mc_object_info_t other_info = info == mc_binary_info ? mc_libsimgrid_info : mc_binary_info;
891 xbt_dict_cursor_t cursor = NULL;
893 dw_type_t type = NULL;
894 xbt_dict_foreach(info->types, cursor, key, type){
895 if(type->name && type->byte_size == 0) {
896 type->other_object_same_type = xbt_dict_get_or_null(other_info->types_by_name, type->name);
901 static void MC_init_debug_info(void) {
902 XBT_INFO("Get debug information ...");
904 memory_map_t maps = MC_get_memory_map();
906 /* Get local variables for state equality detection */
907 mc_binary_info = MC_find_object_info(maps, xbt_binary_name, 1);
908 mc_libsimgrid_info = MC_find_object_info(maps, libsimgrid_path, 0);
910 // Use information of the other objects:
911 MC_post_process_object_info(mc_binary_info);
912 MC_post_process_object_info(mc_libsimgrid_info);
914 MC_free_memory_map(maps);
915 XBT_INFO("Get debug information done !");
920 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
924 /* Initialize the data structures that must be persistent across every
925 iteration of the model-checker (in RAW memory) */
929 MC_init_memory_map_info();
930 MC_init_debug_info();
933 parmap = xbt_parmap_mc_new(xbt_os_get_numcores(), XBT_PARMAP_DEFAULT);
937 /* Ignore some variables from xbt/ex.h used by exception e for stacks comparison */
938 MC_ignore_local_variable("e", "*");
939 MC_ignore_local_variable("__ex_cleanup", "*");
940 MC_ignore_local_variable("__ex_mctx_en", "*");
941 MC_ignore_local_variable("__ex_mctx_me", "*");
942 MC_ignore_local_variable("__xbt_ex_ctx_ptr", "*");
943 MC_ignore_local_variable("_log_ev", "*");
944 MC_ignore_local_variable("_throw_ctx", "*");
945 MC_ignore_local_variable("ctx", "*");
947 MC_ignore_local_variable("self", "simcall_BODY_mc_snapshot");
948 MC_ignore_local_variable("next_context", "smx_ctx_sysv_suspend_serial");
949 MC_ignore_local_variable("i", "smx_ctx_sysv_suspend_serial");
951 /* Ignore local variable about time used for tracing */
952 MC_ignore_local_variable("start_time", "*");
954 MC_ignore_global_variable("compared_pointers");
955 MC_ignore_global_variable("mc_comp_times");
956 MC_ignore_global_variable("mc_snapshot_comparison_time");
957 MC_ignore_global_variable("mc_time");
958 MC_ignore_global_variable("smpi_current_rank");
959 MC_ignore_global_variable("counter"); /* Static variable used for tracing */
960 MC_ignore_global_variable("maestro_stack_start");
961 MC_ignore_global_variable("maestro_stack_end");
962 MC_ignore_global_variable("smx_total_comms");
964 MC_ignore_heap(&(simix_global->process_to_run), sizeof(simix_global->process_to_run));
965 MC_ignore_heap(&(simix_global->process_that_ran), sizeof(simix_global->process_that_ran));
966 MC_ignore_heap(simix_global->process_to_run, sizeof(*(simix_global->process_to_run)));
967 MC_ignore_heap(simix_global->process_that_ran, sizeof(*(simix_global->process_that_ran)));
969 smx_process_t process;
970 xbt_swag_foreach(process, simix_global->process_list){
971 MC_ignore_heap(&(process->process_hookup), sizeof(process->process_hookup));
979 static void MC_init_dot_output(){ /* FIXME : more colors */
983 colors[2] = "green3";
984 colors[3] = "goldenrod";
986 colors[5] = "purple";
987 colors[6] = "magenta";
988 colors[7] = "turquoise4";
989 colors[8] = "gray25";
990 colors[9] = "forestgreen";
991 colors[10] = "hotpink";
992 colors[11] = "lightblue";
995 dot_output = fopen(_sg_mc_dot_output_file, "w");
997 if(dot_output == NULL){
998 perror("Error open dot output file");
1002 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");
1006 /******************************* Core of MC *******************************/
1007 /**************************************************************************/
1009 void MC_do_the_modelcheck_for_real() {
1012 mc_comp_times = xbt_new0(s_mc_comparison_times_t, 1);
1015 if (!_sg_mc_property_file || _sg_mc_property_file[0]=='\0') {
1016 if (mc_reduce_kind==e_mc_reduce_unset)
1017 mc_reduce_kind=e_mc_reduce_dpor;
1019 XBT_INFO("Check a safety property");
1020 MC_modelcheck_safety();
1024 if (mc_reduce_kind==e_mc_reduce_unset)
1025 mc_reduce_kind=e_mc_reduce_none;
1027 XBT_INFO("Check the liveness property %s",_sg_mc_property_file);
1028 MC_automaton_load(_sg_mc_property_file);
1029 MC_modelcheck_liveness();
1033 void MC_modelcheck_safety(void)
1035 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1037 /* Check if MC is already initialized */
1038 if (initial_state_safety)
1041 mc_time = xbt_new0(double, simix_process_maxpid);
1043 /* mc_time refers to clock for each process -> ignore it for heap comparison */
1044 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
1046 /* Initialize the data structures that must be persistent across every
1047 iteration of the model-checker (in RAW memory) */
1051 /* Initialize statistics */
1052 mc_stats = xbt_new0(s_mc_stats_t, 1);
1053 mc_stats->state_size = 1;
1055 /* Create exploration stack */
1056 mc_stack_safety = xbt_fifo_new();
1058 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
1059 MC_init_dot_output();
1063 if(_sg_mc_visited > 0){
1067 MC_init_memory_map_info();
1068 MC_init_debug_info();
1075 /* Save the initial state */
1076 initial_state_safety = xbt_new0(s_mc_global_t, 1);
1077 initial_state_safety->snapshot = MC_take_snapshot(0);
1078 initial_state_safety->initial_communications_pattern_done = 0;
1079 initial_state_safety->comm_deterministic = 1;
1080 initial_state_safety->send_deterministic = 1;
1092 void MC_modelcheck_liveness(){
1094 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1098 mc_time = xbt_new0(double, simix_process_maxpid);
1100 /* mc_time refers to clock for each process -> ignore it for heap comparison */
1101 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
1105 /* Initialize statistics */
1106 mc_stats = xbt_new0(s_mc_stats_t, 1);
1107 mc_stats->state_size = 1;
1109 /* Create exploration stack */
1110 mc_stack_liveness = xbt_fifo_new();
1112 /* Create the initial state */
1113 initial_state_liveness = xbt_new0(s_mc_global_t, 1);
1115 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
1116 MC_init_dot_output();
1123 MC_print_statistics(mc_stats);
1140 int SIMIX_pre_mc_random(smx_simcall_t simcall, int min, int max){
1142 return simcall->mc_value;
1146 int MC_random(int min, int max)
1148 /*FIXME: return mc_current_state->executed_transition->random.value;*/
1149 return simcall_mc_random(min, max);
1153 * \brief Schedules all the process that are ready to run
1155 void MC_wait_for_requests(void)
1157 smx_process_t process;
1161 while (!xbt_dynar_is_empty(simix_global->process_to_run)) {
1162 SIMIX_process_runall();
1163 xbt_dynar_foreach(simix_global->process_that_ran, iter, process) {
1164 req = &process->simcall;
1165 if (req->call != SIMCALL_NONE && !MC_request_is_visible(req))
1166 SIMIX_simcall_pre(req, 0);
1171 int MC_deadlock_check()
1173 int deadlock = FALSE;
1174 smx_process_t process;
1175 if(xbt_swag_size(simix_global->process_list)){
1177 xbt_swag_foreach(process, simix_global->process_list){
1178 if(process->simcall.call != SIMCALL_NONE
1179 && MC_request_is_enabled(&process->simcall)){
1189 * \brief Re-executes from the state at position start all the transitions indicated by
1190 * a given model-checker stack.
1191 * \param stack The stack with the transitions to execute.
1192 * \param start Start index to begin the re-execution.
1194 void MC_replay(xbt_fifo_t stack, int start)
1196 int raw_mem = (mmalloc_get_current_heap() == raw_heap);
1198 int value, i = 1, count = 1;
1200 smx_simcall_t req = NULL, saved_req = NULL;
1201 xbt_fifo_item_t item, start_item;
1203 smx_process_t process = NULL;
1204 int comm_pattern = 0;
1206 XBT_DEBUG("**** Begin Replay ****");
1209 /* Restore the initial state */
1210 MC_restore_snapshot(initial_state_safety->snapshot);
1211 /* At the moment of taking the snapshot the raw heap was set, so restoring
1212 * it will set it back again, we have to unset it to continue */
1216 start_item = xbt_fifo_get_last_item(stack);
1219 start_item = xbt_fifo_get_prev_item(start_item);
1225 xbt_dict_reset(first_enabled_state);
1226 xbt_swag_foreach(process, simix_global->process_list){
1227 if(MC_process_is_enabled(process)){
1228 char *key = bprintf("%lu", process->pid);
1229 char *data = bprintf("%d", count);
1230 xbt_dict_set(first_enabled_state, key, data, NULL);
1234 if(_sg_mc_comms_determinism || _sg_mc_send_determinism)
1235 xbt_dynar_reset(communications_pattern);
1239 /* Traverse the stack from the state at position start and re-execute the transitions */
1240 for (item = start_item;
1241 item != xbt_fifo_get_first_item(stack);
1242 item = xbt_fifo_get_prev_item(item)) {
1244 state = (mc_state_t) xbt_fifo_get_item_content(item);
1245 saved_req = MC_state_get_executed_request(state, &value);
1248 char *key = bprintf("%lu", saved_req->issuer->pid);
1249 xbt_dict_remove(first_enabled_state, key);
1254 /* because we got a copy of the executed request, we have to fetch the
1255 real one, pointed by the request field of the issuer process */
1256 req = &saved_req->issuer->simcall;
1258 /* Debug information */
1259 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
1260 req_str = MC_request_to_string(req, value);
1261 XBT_DEBUG("Replay: %s (%p)", req_str, state);
1266 if(_sg_mc_comms_determinism || _sg_mc_send_determinism){
1267 if(req->call == SIMCALL_COMM_ISEND)
1269 else if(req->call == SIMCALL_COMM_IRECV)
1273 SIMIX_simcall_pre(req, value);
1275 if(_sg_mc_comms_determinism || _sg_mc_send_determinism){
1277 if(comm_pattern != 0){
1278 get_comm_pattern(communications_pattern, req, comm_pattern);
1284 MC_wait_for_requests();
1289 /* Insert in dict all enabled processes */
1290 xbt_swag_foreach(process, simix_global->process_list){
1291 if(MC_process_is_enabled(process) /*&& !MC_state_process_is_done(state, process)*/){
1292 char *key = bprintf("%lu", process->pid);
1293 if(xbt_dict_get_or_null(first_enabled_state, key) == NULL){
1294 char *data = bprintf("%d", count);
1295 xbt_dict_set(first_enabled_state, key, data, NULL);
1302 /* Update statistics */
1303 mc_stats->visited_states++;
1304 mc_stats->executed_transitions++;
1308 XBT_DEBUG("**** End Replay ****");
1318 void MC_replay_liveness(xbt_fifo_t stack, int all_stack)
1321 initial_state_liveness->raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1325 smx_simcall_t req = NULL, saved_req = NULL;
1326 xbt_fifo_item_t item;
1331 XBT_DEBUG("**** Begin Replay ****");
1333 /* Restore the initial state */
1334 MC_restore_snapshot(initial_state_liveness->snapshot);
1336 /* At the moment of taking the snapshot the raw heap was set, so restoring
1337 * it will set it back again, we have to unset it to continue */
1338 if(!initial_state_liveness->raw_mem_set)
1343 item = xbt_fifo_get_last_item(stack);
1345 while(depth <= xbt_fifo_size(stack)){
1347 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
1348 state = (mc_state_t) pair->graph_state;
1350 if(pair->requests > 0){
1352 saved_req = MC_state_get_executed_request(state, &value);
1353 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
1355 if(saved_req != NULL){
1356 /* because we got a copy of the executed request, we have to fetch the
1357 real one, pointed by the request field of the issuer process */
1358 req = &saved_req->issuer->simcall;
1359 //XBT_DEBUG("Req->call %u", req->call);
1361 /* Debug information */
1362 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
1363 req_str = MC_request_to_string(req, value);
1364 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
1370 SIMIX_simcall_pre(req, value);
1371 MC_wait_for_requests();
1376 /* Update statistics */
1377 mc_stats->visited_pairs++;
1378 mc_stats->executed_transitions++;
1380 item = xbt_fifo_get_prev_item(item);
1385 /* Traverse the stack from the initial state and re-execute the transitions */
1386 for (item = xbt_fifo_get_last_item(stack);
1387 item != xbt_fifo_get_first_item(stack);
1388 item = xbt_fifo_get_prev_item(item)) {
1390 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
1391 state = (mc_state_t) pair->graph_state;
1393 if(pair->requests > 0){
1395 saved_req = MC_state_get_executed_request(state, &value);
1396 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
1398 if(saved_req != NULL){
1399 /* because we got a copy of the executed request, we have to fetch the
1400 real one, pointed by the request field of the issuer process */
1401 req = &saved_req->issuer->simcall;
1402 //XBT_DEBUG("Req->call %u", req->call);
1404 /* Debug information */
1405 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
1406 req_str = MC_request_to_string(req, value);
1407 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
1413 SIMIX_simcall_pre(req, value);
1414 MC_wait_for_requests();
1419 /* Update statistics */
1420 mc_stats->visited_pairs++;
1421 mc_stats->executed_transitions++;
1425 XBT_DEBUG("**** End Replay ****");
1427 if(initial_state_liveness->raw_mem_set)
1435 * \brief Dumps the contents of a model-checker's stack and shows the actual
1437 * \param stack The stack to dump
1439 void MC_dump_stack_safety(xbt_fifo_t stack)
1442 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1444 MC_show_stack_safety(stack);
1446 if(!_sg_mc_checkpoint){
1451 while ((state = (mc_state_t) xbt_fifo_pop(stack)) != NULL)
1452 MC_state_delete(state);
1465 void MC_show_stack_safety(xbt_fifo_t stack)
1468 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1474 xbt_fifo_item_t item;
1476 char *req_str = NULL;
1478 for (item = xbt_fifo_get_last_item(stack);
1479 (item ? (state = (mc_state_t) (xbt_fifo_get_item_content(item)))
1480 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
1481 req = MC_state_get_executed_request(state, &value);
1483 req_str = MC_request_to_string(req, value);
1484 XBT_INFO("%s", req_str);
1493 void MC_show_deadlock(smx_simcall_t req)
1495 /*char *req_str = NULL;*/
1496 XBT_INFO("**************************");
1497 XBT_INFO("*** DEAD-LOCK DETECTED ***");
1498 XBT_INFO("**************************");
1499 XBT_INFO("Locked request:");
1500 /*req_str = MC_request_to_string(req);
1501 XBT_INFO("%s", req_str);
1502 xbt_free(req_str);*/
1503 XBT_INFO("Counter-example execution trace:");
1504 MC_dump_stack_safety(mc_stack_safety);
1505 MC_print_statistics(mc_stats);
1509 void MC_show_stack_liveness(xbt_fifo_t stack){
1512 xbt_fifo_item_t item;
1514 char *req_str = NULL;
1516 for (item = xbt_fifo_get_last_item(stack);
1517 (item ? (pair = (mc_pair_t) (xbt_fifo_get_item_content(item)))
1518 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
1519 req = MC_state_get_executed_request(pair->graph_state, &value);
1521 if(pair->requests>0){
1522 req_str = MC_request_to_string(req, value);
1523 XBT_INFO("%s", req_str);
1526 XBT_INFO("End of system requests but evolution in Büchi automaton");
1532 void MC_dump_stack_liveness(xbt_fifo_t stack){
1534 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1539 while ((pair = (mc_pair_t) xbt_fifo_pop(stack)) != NULL)
1540 MC_pair_delete(pair);
1549 void MC_print_statistics(mc_stats_t stats)
1551 if(stats->expanded_pairs == 0){
1552 XBT_INFO("Expanded states = %lu", stats->expanded_states);
1553 XBT_INFO("Visited states = %lu", stats->visited_states);
1555 XBT_INFO("Expanded pairs = %lu", stats->expanded_pairs);
1556 XBT_INFO("Visited pairs = %lu", stats->visited_pairs);
1558 XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
1560 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0')){
1561 fprintf(dot_output, "}\n");
1564 if(initial_state_safety != NULL){
1565 if(_sg_mc_comms_determinism)
1566 XBT_INFO("Communication-deterministic : %s", !initial_state_safety->comm_deterministic ? "No" : "Yes");
1567 if (_sg_mc_send_determinism)
1568 XBT_INFO("Send-deterministic : %s", !initial_state_safety->send_deterministic ? "No" : "Yes");
1573 void MC_assert(int prop)
1575 if (MC_is_active() && !prop){
1576 XBT_INFO("**************************");
1577 XBT_INFO("*** PROPERTY NOT VALID ***");
1578 XBT_INFO("**************************");
1579 XBT_INFO("Counter-example execution trace:");
1580 MC_dump_stack_safety(mc_stack_safety);
1581 MC_print_statistics(mc_stats);
1587 user_max_depth_reached = 1;
1590 void MC_process_clock_add(smx_process_t process, double amount)
1592 mc_time[process->pid] += amount;
1595 double MC_process_clock_get(smx_process_t process)
1599 return mc_time[process->pid];
1607 void MC_automaton_load(const char *file){
1609 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1613 if (_mc_property_automaton == NULL)
1614 _mc_property_automaton = xbt_automaton_new();
1616 xbt_automaton_load(_mc_property_automaton,file);
1625 void MC_automaton_new_propositional_symbol(const char* id, void* fct) {
1627 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1631 if (_mc_property_automaton == NULL)
1632 _mc_property_automaton = xbt_automaton_new();
1634 xbt_automaton_propositional_symbol_new(_mc_property_automaton,id,fct);