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 static void MC_post_process_types(mc_object_info_t info);
24 XBT_LOG_NEW_CATEGORY(mc, "All MC categories");
25 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_global, mc,
26 "Logging specific to MC (global)");
28 /* Configuration support */
29 e_mc_reduce_t mc_reduce_kind=e_mc_reduce_unset;
31 int _sg_do_model_check = 0;
32 int _sg_mc_checkpoint=0;
33 char* _sg_mc_property_file=NULL;
35 int _sg_mc_max_depth=1000;
37 char *_sg_mc_dot_output_file = NULL;
39 int user_max_depth_reached = 0;
41 void _mc_cfg_cb_reduce(const char *name, int pos) {
42 if (_sg_cfg_init_status && !_sg_do_model_check) {
43 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.");
45 char *val= xbt_cfg_get_string(_sg_cfg_set, name);
46 if (!strcasecmp(val,"none")) {
47 mc_reduce_kind = e_mc_reduce_none;
48 } else if (!strcasecmp(val,"dpor")) {
49 mc_reduce_kind = e_mc_reduce_dpor;
51 xbt_die("configuration option %s can only take 'none' or 'dpor' as a value",name);
55 void _mc_cfg_cb_checkpoint(const char *name, int pos) {
56 if (_sg_cfg_init_status && !_sg_do_model_check) {
57 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.");
59 _sg_mc_checkpoint = xbt_cfg_get_int(_sg_cfg_set, name);
61 void _mc_cfg_cb_property(const char *name, int pos) {
62 if (_sg_cfg_init_status && !_sg_do_model_check) {
63 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.");
65 _sg_mc_property_file= xbt_cfg_get_string(_sg_cfg_set, name);
68 void _mc_cfg_cb_timeout(const char *name, int pos) {
69 if (_sg_cfg_init_status && !_sg_do_model_check) {
70 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.");
72 _sg_mc_timeout= xbt_cfg_get_boolean(_sg_cfg_set, name);
75 void _mc_cfg_cb_max_depth(const char *name, int pos) {
76 if (_sg_cfg_init_status && !_sg_do_model_check) {
77 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.");
79 _sg_mc_max_depth= xbt_cfg_get_int(_sg_cfg_set, name);
82 void _mc_cfg_cb_visited(const char *name, int pos) {
83 if (_sg_cfg_init_status && !_sg_do_model_check) {
84 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.");
86 _sg_mc_visited= xbt_cfg_get_int(_sg_cfg_set, name);
89 void _mc_cfg_cb_dot_output(const char *name, int pos) {
90 if (_sg_cfg_init_status && !_sg_do_model_check) {
91 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.");
93 _sg_mc_dot_output_file= xbt_cfg_get_string(_sg_cfg_set, name);
96 /* MC global data structures */
97 mc_state_t mc_current_state = NULL;
98 char mc_replay_mode = FALSE;
99 double *mc_time = NULL;
100 __thread mc_comparison_times_t mc_comp_times = NULL;
101 __thread double mc_snapshot_comparison_time;
102 mc_stats_t mc_stats = NULL;
105 xbt_fifo_t mc_stack_safety = NULL;
106 mc_global_t initial_state_safety = NULL;
109 xbt_fifo_t mc_stack_liveness = NULL;
110 mc_global_t initial_state_liveness = NULL;
113 xbt_automaton_t _mc_property_automaton = NULL;
116 mc_object_info_t mc_libsimgrid_info = NULL;
117 mc_object_info_t mc_binary_info = NULL;
119 /* Ignore mechanism */
120 xbt_dynar_t mc_stack_comparison_ignore;
121 xbt_dynar_t mc_data_bss_comparison_ignore;
122 extern xbt_dynar_t mc_heap_comparison_ignore;
123 extern xbt_dynar_t stacks_areas;
126 FILE *dot_output = NULL;
127 const char* colors[13];
130 /******************************* DWARF Information *******************************/
131 /**********************************************************************************/
133 /************************** Free functions *************************/
135 static void dw_location_free(dw_location_t l){
137 if(l->type == e_dw_loclist)
138 xbt_dynar_free(&(l->location.loclist));
139 else if(l->type == e_dw_compose)
140 xbt_dynar_free(&(l->location.compose));
141 else if(l->type == e_dw_arithmetic)
142 xbt_free(l->location.arithmetic);
148 static void dw_location_entry_free(dw_location_entry_t e){
149 dw_location_free(e->location);
153 void dw_type_free(dw_type_t t){
155 xbt_free(t->dw_type_id);
156 xbt_dynar_free(&(t->members));
160 static void dw_type_free_voidp(void *t){
161 dw_type_free((dw_type_t) * (void **) t);
164 void dw_variable_free(dw_variable_t v){
167 xbt_free(v->type_origin);
169 dw_location_free(v->address.location);
174 void dw_variable_free_voidp(void *t){
175 dw_variable_free((dw_variable_t) * (void **) t);
180 mc_object_info_t MC_new_object_info(void) {
181 mc_object_info_t res = xbt_new(s_mc_object_info_t, 1);
182 res->file_name = NULL;
183 res->start_text = NULL;
184 res->start_data = NULL;
185 res->start_bss = NULL;
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);
192 void MC_free_object_info(mc_object_info_t* info) {
193 xbt_free(&(*info)->file_name);
194 xbt_dict_free(&(*info)->local_variables);
195 xbt_dynar_free(&(*info)->global_variables);
196 xbt_dict_free(&(*info)->types);
201 /*************************************************************************/
203 static dw_location_t MC_dwarf_get_location(xbt_dict_t location_list, char *expr){
205 dw_location_t loc = xbt_new0(s_dw_location_t, 1);
207 if(location_list != NULL){
209 char *key = bprintf("%d", (int)strtoul(expr, NULL, 16));
210 loc->type = e_dw_loclist;
211 loc->location.loclist = (xbt_dynar_t)xbt_dict_get_or_null(location_list, key);
212 if(loc->location.loclist == NULL)
213 XBT_INFO("Key not found in loclist");
220 char *tok = NULL, *tok2 = NULL;
222 xbt_dynar_t tokens1 = xbt_str_split(expr, ";");
225 loc->type = e_dw_compose;
226 loc->location.compose = xbt_dynar_new(sizeof(dw_location_t), NULL);
228 while(cursor < xbt_dynar_length(tokens1)){
230 tok = xbt_dynar_get_as(tokens1, cursor, char*);
231 tokens2 = xbt_str_split(tok, " ");
232 tok2 = xbt_dynar_get_as(tokens2, 0, char*);
234 if(strncmp(tok2, "DW_OP_reg", 9) == 0){
235 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
236 new_element->type = e_dw_register;
237 new_element->location.reg = atoi(strtok(tok2, "DW_OP_reg"));
238 xbt_dynar_push(loc->location.compose, &new_element);
239 }else if(strcmp(tok2, "DW_OP_fbreg:") == 0){
240 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
241 new_element->type = e_dw_fbregister_op;
242 new_element->location.fbreg_op = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
243 xbt_dynar_push(loc->location.compose, &new_element);
244 }else if(strncmp(tok2, "DW_OP_breg", 10) == 0){
245 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
246 new_element->type = e_dw_bregister_op;
247 new_element->location.breg_op.reg = atoi(strtok(tok2, "DW_OP_breg"));
248 new_element->location.breg_op.offset = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
249 xbt_dynar_push(loc->location.compose, &new_element);
250 }else if(strncmp(tok2, "DW_OP_lit", 9) == 0){
251 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
252 new_element->type = e_dw_lit;
253 new_element->location.lit = atoi(strtok(tok2, "DW_OP_lit"));
254 xbt_dynar_push(loc->location.compose, &new_element);
255 }else if(strcmp(tok2, "DW_OP_piece:") == 0){
256 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
257 new_element->type = e_dw_piece;
258 new_element->location.piece = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
259 xbt_dynar_push(loc->location.compose, &new_element);
260 }else if(strcmp(tok2, "DW_OP_plus_uconst:") == 0){
261 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
262 new_element->type = e_dw_plus_uconst;
263 new_element->location.plus_uconst = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char *));
264 xbt_dynar_push(loc->location.compose, &new_element);
265 }else if(strcmp(tok, "DW_OP_abs") == 0 ||
266 strcmp(tok, "DW_OP_and") == 0 ||
267 strcmp(tok, "DW_OP_div") == 0 ||
268 strcmp(tok, "DW_OP_minus") == 0 ||
269 strcmp(tok, "DW_OP_mod") == 0 ||
270 strcmp(tok, "DW_OP_mul") == 0 ||
271 strcmp(tok, "DW_OP_neg") == 0 ||
272 strcmp(tok, "DW_OP_not") == 0 ||
273 strcmp(tok, "DW_OP_or") == 0 ||
274 strcmp(tok, "DW_OP_plus") == 0){
275 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
276 new_element->type = e_dw_arithmetic;
277 new_element->location.arithmetic = strdup(strtok(tok2, "DW_OP_"));
278 xbt_dynar_push(loc->location.compose, &new_element);
279 }else if(strcmp(tok, "DW_OP_stack_value") == 0){
280 }else if(strcmp(tok2, "DW_OP_deref_size:") == 0){
281 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
282 new_element->type = e_dw_deref;
283 new_element->location.deref_size = (unsigned int short) atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
284 xbt_dynar_push(loc->location.compose, &new_element);
285 }else if(strcmp(tok, "DW_OP_deref") == 0){
286 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
287 new_element->type = e_dw_deref;
288 new_element->location.deref_size = sizeof(void *);
289 xbt_dynar_push(loc->location.compose, &new_element);
290 }else if(strcmp(tok2, "DW_OP_constu:") == 0){
291 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
292 new_element->type = e_dw_uconstant;
293 new_element->location.uconstant.bytes = 1;
294 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
295 xbt_dynar_push(loc->location.compose, &new_element);
296 }else if(strcmp(tok2, "DW_OP_consts:") == 0){
297 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
298 new_element->type = e_dw_sconstant;
299 new_element->location.sconstant.bytes = 1;
300 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
301 xbt_dynar_push(loc->location.compose, &new_element);
302 }else if(strcmp(tok2, "DW_OP_const1u:") == 0 ||
303 strcmp(tok2, "DW_OP_const2u:") == 0 ||
304 strcmp(tok2, "DW_OP_const4u:") == 0 ||
305 strcmp(tok2, "DW_OP_const8u:") == 0){
306 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
307 new_element->type = e_dw_uconstant;
308 new_element->location.uconstant.bytes = tok2[11] - '0';
309 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
310 xbt_dynar_push(loc->location.compose, &new_element);
311 }else if(strcmp(tok, "DW_OP_const1s") == 0 ||
312 strcmp(tok, "DW_OP_const2s") == 0 ||
313 strcmp(tok, "DW_OP_const4s") == 0 ||
314 strcmp(tok, "DW_OP_const8s") == 0){
315 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
316 new_element->type = e_dw_sconstant;
317 new_element->location.sconstant.bytes = tok2[11] - '0';
318 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
319 xbt_dynar_push(loc->location.compose, &new_element);
321 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
322 new_element->type = e_dw_unsupported;
323 xbt_dynar_push(loc->location.compose, &new_element);
327 xbt_dynar_free(&tokens2);
331 xbt_dynar_free(&tokens1);
340 /** \brief Finds a frame (DW_TAG_subprogram) from an DWARF offset in the rangd of this subprogram
342 * The offset can be an offset of a child DW_TAG_variable.
344 static dw_frame_t MC_dwarf_get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset){
346 xbt_dict_cursor_t cursor = NULL;
350 xbt_dict_foreach(all_variables, cursor, name, res) {
351 if(offset >= res->start && offset < res->end){
352 xbt_dict_cursor_free(&cursor);
357 xbt_dict_cursor_free(&cursor);
362 static dw_variable_t MC_dwarf_get_variable_by_name(dw_frame_t frame, char *var){
364 unsigned int cursor = 0;
365 dw_variable_t current_var;
367 xbt_dynar_foreach(frame->variables, cursor, current_var){
368 if(strcmp(var, current_var->name) == 0)
375 static int MC_dwarf_get_variable_index(xbt_dynar_t variables, char* var, void *address){
377 if(xbt_dynar_is_empty(variables))
380 unsigned int cursor = 0;
382 int end = xbt_dynar_length(variables) - 1;
383 dw_variable_t var_test = NULL;
386 cursor = (start + end) / 2;
387 var_test = (dw_variable_t)xbt_dynar_get_as(variables, cursor, dw_variable_t);
388 if(strcmp(var_test->name, var) < 0){
390 }else if(strcmp(var_test->name, var) > 0){
393 if(address){ /* global variable */
394 if(var_test->address.address == address)
396 if(var_test->address.address > address)
400 }else{ /* local variable */
406 if(strcmp(var_test->name, var) == 0){
407 if(address && var_test->address.address < address)
411 }else if(strcmp(var_test->name, var) < 0)
418 void MC_dwarf_register_global_variable(mc_object_info_t info, dw_variable_t variable) {
419 int index = MC_dwarf_get_variable_index(info->global_variables, variable->name, variable->address.address);
421 xbt_dynar_insert_at(info->global_variables, index, &variable);
425 void MC_dwarf_register_non_global_variable(mc_object_info_t info, dw_frame_t frame, dw_variable_t variable) {
426 xbt_assert(frame, "Frame is NULL");
427 int index = MC_dwarf_get_variable_index(frame->variables, variable->name, NULL);
429 xbt_dynar_insert_at(frame->variables, index, &variable);
433 void MC_dwarf_register_variable(mc_object_info_t info, dw_frame_t frame, dw_variable_t variable) {
435 MC_dwarf_register_global_variable(info, variable);
437 xbt_die("No frame for this local variable");
439 MC_dwarf_register_non_global_variable(info, frame, variable);
442 static void MC_post_process_array_size(mc_object_info_t info, dw_type_t type) {
443 xbt_assert(type->dw_type_id, "No base type for array <%p>%s", type->id, type->name);
444 dw_type_t subtype = xbt_dict_get_or_null(info->types, type->dw_type_id);
445 xbt_assert(subtype, "Unkown base type <%s> for array <%p>%s", type->dw_type_id, type->id, type->name);
446 if(subtype->type==DW_TAG_array_type && type->byte_size==0) {
447 MC_post_process_array_size(info, subtype);
449 type->byte_size = type->element_count*subtype->byte_size;
452 static void MC_post_process_types(mc_object_info_t info) {
453 xbt_dict_cursor_t cursor;
456 xbt_dict_foreach(info->types, cursor, origin, type){
457 if(type->type==DW_TAG_array_type && type->byte_size==0)
458 MC_post_process_array_size(info, type);
462 /******************************* Ignore mechanism *******************************/
463 /*********************************************************************************/
465 xbt_dynar_t mc_checkpoint_ignore;
467 typedef struct s_mc_stack_ignore_variable{
470 }s_mc_stack_ignore_variable_t, *mc_stack_ignore_variable_t;
472 typedef struct s_mc_data_bss_ignore_variable{
474 }s_mc_data_bss_ignore_variable_t, *mc_data_bss_ignore_variable_t;
476 /**************************** Free functions ******************************/
478 static void stack_ignore_variable_free(mc_stack_ignore_variable_t v){
479 xbt_free(v->var_name);
484 static void stack_ignore_variable_free_voidp(void *v){
485 stack_ignore_variable_free((mc_stack_ignore_variable_t) * (void **) v);
488 void heap_ignore_region_free(mc_heap_ignore_region_t r){
492 void heap_ignore_region_free_voidp(void *r){
493 heap_ignore_region_free((mc_heap_ignore_region_t) * (void **) r);
496 static void data_bss_ignore_variable_free(mc_data_bss_ignore_variable_t v){
501 static void data_bss_ignore_variable_free_voidp(void *v){
502 data_bss_ignore_variable_free((mc_data_bss_ignore_variable_t) * (void **) v);
505 static void checkpoint_ignore_region_free(mc_checkpoint_ignore_region_t r){
509 static void checkpoint_ignore_region_free_voidp(void *r){
510 checkpoint_ignore_region_free((mc_checkpoint_ignore_region_t) * (void **) r);
513 /***********************************************************************/
515 void MC_ignore_heap(void *address, size_t size){
517 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
521 mc_heap_ignore_region_t region = NULL;
522 region = xbt_new0(s_mc_heap_ignore_region_t, 1);
523 region->address = address;
526 region->block = ((char*)address - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
528 if(((xbt_mheap_t)std_heap)->heapinfo[region->block].type == 0){
529 region->fragment = -1;
530 ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_block.ignore++;
532 region->fragment = ((uintptr_t) (ADDR2UINT (address) % (BLOCKSIZE))) >> ((xbt_mheap_t)std_heap)->heapinfo[region->block].type;
533 ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_frag.ignore[region->fragment]++;
536 if(mc_heap_comparison_ignore == NULL){
537 mc_heap_comparison_ignore = xbt_dynar_new(sizeof(mc_heap_ignore_region_t), heap_ignore_region_free_voidp);
538 xbt_dynar_push(mc_heap_comparison_ignore, ®ion);
544 unsigned int cursor = 0;
545 mc_heap_ignore_region_t current_region = NULL;
547 int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
550 cursor = (start + end) / 2;
551 current_region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
552 if(current_region->address == address){
553 heap_ignore_region_free(region);
557 }else if(current_region->address < address){
564 if(current_region->address < address)
565 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor + 1, ®ion);
567 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor, ®ion);
573 void MC_remove_ignore_heap(void *address, size_t size){
575 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
579 unsigned int cursor = 0;
581 int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
582 mc_heap_ignore_region_t region;
583 int ignore_found = 0;
586 cursor = (start + end) / 2;
587 region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
588 if(region->address == address){
591 }else if(region->address < address){
594 if((char * )region->address <= ((char *)address + size)){
603 if(ignore_found == 1){
604 xbt_dynar_remove_at(mc_heap_comparison_ignore, cursor, NULL);
605 MC_remove_ignore_heap(address, size);
613 void MC_ignore_global_variable(const char *name){
615 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
619 if(mc_libsimgrid_info){
621 unsigned int cursor = 0;
622 dw_variable_t current_var;
624 int end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
627 cursor = (start + end) /2;
628 current_var = (dw_variable_t)xbt_dynar_get_as(mc_libsimgrid_info->global_variables, cursor, dw_variable_t);
629 if(strcmp(current_var->name, name) == 0){
630 xbt_dynar_remove_at(mc_libsimgrid_info->global_variables, cursor, NULL);
632 end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
633 }else if(strcmp(current_var->name, name) < 0){
642 if(mc_data_bss_comparison_ignore == NULL)
643 mc_data_bss_comparison_ignore = xbt_dynar_new(sizeof(mc_data_bss_ignore_variable_t), data_bss_ignore_variable_free_voidp);
645 mc_data_bss_ignore_variable_t var = NULL;
646 var = xbt_new0(s_mc_data_bss_ignore_variable_t, 1);
647 var->name = strdup(name);
649 if(xbt_dynar_is_empty(mc_data_bss_comparison_ignore)){
651 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, 0, &var);
655 unsigned int cursor = 0;
657 int end = xbt_dynar_length(mc_data_bss_comparison_ignore) - 1;
658 mc_data_bss_ignore_variable_t current_var = NULL;
661 cursor = (start + end) / 2;
662 current_var = (mc_data_bss_ignore_variable_t)xbt_dynar_get_as(mc_data_bss_comparison_ignore, cursor, mc_data_bss_ignore_variable_t);
663 if(strcmp(current_var->name, name) == 0){
664 data_bss_ignore_variable_free(var);
668 }else if(strcmp(current_var->name, name) < 0){
675 if(strcmp(current_var->name, name) < 0)
676 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor + 1, &var);
678 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor, &var);
687 void MC_ignore_local_variable(const char *var_name, const char *frame_name){
689 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
693 if(mc_libsimgrid_info){
694 unsigned int cursor = 0;
695 dw_variable_t current_var;
697 if(strcmp(frame_name, "*") == 0){ /* Remove variable in all frames */
698 xbt_dict_cursor_t dict_cursor;
699 char *current_frame_name;
701 xbt_dict_foreach(mc_libsimgrid_info->local_variables, dict_cursor, current_frame_name, frame){
703 end = xbt_dynar_length(frame->variables) - 1;
705 cursor = (start + end) / 2;
706 current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
707 if(strcmp(current_var->name, var_name) == 0){
708 xbt_dynar_remove_at(frame->variables, cursor, NULL);
710 end = xbt_dynar_length(frame->variables) - 1;
711 }else if(strcmp(current_var->name, var_name) < 0){
718 xbt_dict_foreach(mc_binary_info->local_variables, dict_cursor, current_frame_name, frame){
720 end = xbt_dynar_length(frame->variables) - 1;
722 cursor = (start + end) / 2;
723 current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
724 if(strcmp(current_var->name, var_name) == 0){
725 xbt_dynar_remove_at(frame->variables, cursor, NULL);
727 end = xbt_dynar_length(frame->variables) - 1;
728 }else if(strcmp(current_var->name, var_name) < 0){
736 xbt_dynar_t variables_list = ((dw_frame_t)xbt_dict_get_or_null(
737 mc_libsimgrid_info->local_variables, frame_name))->variables;
739 end = xbt_dynar_length(variables_list) - 1;
741 cursor = (start + end) / 2;
742 current_var = (dw_variable_t)xbt_dynar_get_as(variables_list, cursor, dw_variable_t);
743 if(strcmp(current_var->name, var_name) == 0){
744 xbt_dynar_remove_at(variables_list, cursor, NULL);
746 end = xbt_dynar_length(variables_list) - 1;
747 }else if(strcmp(current_var->name, var_name) < 0){
756 if(mc_stack_comparison_ignore == NULL)
757 mc_stack_comparison_ignore = xbt_dynar_new(sizeof(mc_stack_ignore_variable_t), stack_ignore_variable_free_voidp);
759 mc_stack_ignore_variable_t var = NULL;
760 var = xbt_new0(s_mc_stack_ignore_variable_t, 1);
761 var->var_name = strdup(var_name);
762 var->frame = strdup(frame_name);
764 if(xbt_dynar_is_empty(mc_stack_comparison_ignore)){
766 xbt_dynar_insert_at(mc_stack_comparison_ignore, 0, &var);
770 unsigned int cursor = 0;
772 int end = xbt_dynar_length(mc_stack_comparison_ignore) - 1;
773 mc_stack_ignore_variable_t current_var = NULL;
776 cursor = (start + end) / 2;
777 current_var = (mc_stack_ignore_variable_t)xbt_dynar_get_as(mc_stack_comparison_ignore, cursor, mc_stack_ignore_variable_t);
778 if(strcmp(current_var->frame, frame_name) == 0){
779 if(strcmp(current_var->var_name, var_name) == 0){
780 stack_ignore_variable_free(var);
784 }else if(strcmp(current_var->var_name, var_name) < 0){
789 }else if(strcmp(current_var->frame, frame_name) < 0){
796 if(strcmp(current_var->frame, frame_name) == 0){
797 if(strcmp(current_var->var_name, var_name) < 0){
798 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
800 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
802 }else if(strcmp(current_var->frame, frame_name) < 0){
803 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
805 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
815 void MC_new_stack_area(void *stack, char *name, void* context, size_t size){
817 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
821 if(stacks_areas == NULL)
822 stacks_areas = xbt_dynar_new(sizeof(stack_region_t), NULL);
824 stack_region_t region = NULL;
825 region = xbt_new0(s_stack_region_t, 1);
826 region->address = stack;
827 region->process_name = strdup(name);
828 region->context = context;
830 region->block = ((char*)stack - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
831 xbt_dynar_push(stacks_areas, ®ion);
837 void MC_ignore(void *addr, size_t size){
839 int raw_mem_set= (mmalloc_get_current_heap() == raw_heap);
843 if(mc_checkpoint_ignore == NULL)
844 mc_checkpoint_ignore = xbt_dynar_new(sizeof(mc_checkpoint_ignore_region_t), checkpoint_ignore_region_free_voidp);
846 mc_checkpoint_ignore_region_t region = xbt_new0(s_mc_checkpoint_ignore_region_t, 1);
850 if(xbt_dynar_is_empty(mc_checkpoint_ignore)){
851 xbt_dynar_push(mc_checkpoint_ignore, ®ion);
854 unsigned int cursor = 0;
856 int end = xbt_dynar_length(mc_checkpoint_ignore) -1;
857 mc_checkpoint_ignore_region_t current_region = NULL;
860 cursor = (start + end) / 2;
861 current_region = (mc_checkpoint_ignore_region_t)xbt_dynar_get_as(mc_checkpoint_ignore, cursor, mc_checkpoint_ignore_region_t);
862 if(current_region->addr == addr){
863 if(current_region->size == size){
864 checkpoint_ignore_region_free(region);
868 }else if(current_region->size < size){
873 }else if(current_region->addr < addr){
880 if(current_region->addr == addr){
881 if(current_region->size < size){
882 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
884 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
886 }else if(current_region->addr < addr){
887 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
889 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
897 /******************************* Initialisation of MC *******************************/
898 /*********************************************************************************/
900 static void MC_dump_ignored_local_variables(void){
902 if(mc_stack_comparison_ignore == NULL || xbt_dynar_is_empty(mc_stack_comparison_ignore))
905 unsigned int cursor = 0;
906 mc_stack_ignore_variable_t current_var;
908 xbt_dynar_foreach(mc_stack_comparison_ignore, cursor, current_var){
909 MC_ignore_local_variable(current_var->var_name, current_var->frame);
912 xbt_dynar_free(&mc_stack_comparison_ignore);
913 mc_stack_comparison_ignore = NULL;
917 static void MC_dump_ignored_global_variables(void){
919 if(mc_data_bss_comparison_ignore == NULL || xbt_dynar_is_empty(mc_data_bss_comparison_ignore))
922 unsigned int cursor = 0;
923 mc_data_bss_ignore_variable_t current_var;
925 xbt_dynar_foreach(mc_data_bss_comparison_ignore, cursor, current_var){
926 MC_ignore_global_variable(current_var->name);
929 xbt_dynar_free(&mc_data_bss_comparison_ignore);
930 mc_data_bss_comparison_ignore = NULL;
934 static void MC_init_debug_info();
935 static void MC_init_debug_info() {
936 XBT_INFO("Get debug information ...");
938 memory_map_t maps = MC_get_memory_map();
940 /* Get local variables for state equality detection */
941 mc_binary_info = MC_find_object_info(maps, xbt_binary_name);
942 mc_libsimgrid_info = MC_find_object_info(maps, libsimgrid_path);
944 MC_free_memory_map(maps);
945 XBT_INFO("Get debug information done !");
950 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
954 /* Initialize the data structures that must be persistent across every
955 iteration of the model-checker (in RAW memory) */
959 MC_init_memory_map_info();
960 MC_init_debug_info();
962 /* Remove variables ignored before getting list of variables */
963 MC_dump_ignored_local_variables();
964 MC_dump_ignored_global_variables();
967 parmap = xbt_parmap_mc_new(xbt_os_get_numcores(), XBT_PARMAP_DEFAULT);
971 /* Ignore some variables from xbt/ex.h used by exception e for stacks comparison */
972 MC_ignore_local_variable("e", "*");
973 MC_ignore_local_variable("__ex_cleanup", "*");
974 MC_ignore_local_variable("__ex_mctx_en", "*");
975 MC_ignore_local_variable("__ex_mctx_me", "*");
976 MC_ignore_local_variable("__xbt_ex_ctx_ptr", "*");
977 MC_ignore_local_variable("_log_ev", "*");
978 MC_ignore_local_variable("_throw_ctx", "*");
979 MC_ignore_local_variable("ctx", "*");
981 MC_ignore_local_variable("next_context", "smx_ctx_sysv_suspend_serial");
982 MC_ignore_local_variable("i", "smx_ctx_sysv_suspend_serial");
984 /* Ignore local variable about time used for tracing */
985 MC_ignore_local_variable("start_time", "*");
987 MC_ignore_global_variable("mc_comp_times");
988 MC_ignore_global_variable("mc_snapshot_comparison_time");
989 MC_ignore_global_variable("mc_time");
990 MC_ignore_global_variable("smpi_current_rank");
991 MC_ignore_global_variable("counter"); /* Static variable used for tracing */
992 MC_ignore_global_variable("maestro_stack_start");
993 MC_ignore_global_variable("maestro_stack_end");
995 MC_ignore_heap(&(simix_global->process_to_run), sizeof(simix_global->process_to_run));
996 MC_ignore_heap(&(simix_global->process_that_ran), sizeof(simix_global->process_that_ran));
997 MC_ignore_heap(simix_global->process_to_run, sizeof(*(simix_global->process_to_run)));
998 MC_ignore_heap(simix_global->process_that_ran, sizeof(*(simix_global->process_that_ran)));
1000 smx_process_t process;
1001 xbt_swag_foreach(process, simix_global->process_list){
1002 MC_ignore_heap(&(process->process_hookup), sizeof(process->process_hookup));
1010 static void MC_init_dot_output(){ /* FIXME : more colors */
1014 colors[2] = "green3";
1015 colors[3] = "goldenrod";
1016 colors[4] = "brown";
1017 colors[5] = "purple";
1018 colors[6] = "magenta";
1019 colors[7] = "turquoise4";
1020 colors[8] = "gray25";
1021 colors[9] = "forestgreen";
1022 colors[10] = "hotpink";
1023 colors[11] = "lightblue";
1026 dot_output = fopen(_sg_mc_dot_output_file, "w");
1028 if(dot_output == NULL){
1029 perror("Error open dot output file");
1033 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");
1037 /******************************* Core of MC *******************************/
1038 /**************************************************************************/
1040 void MC_do_the_modelcheck_for_real() {
1043 mc_comp_times = xbt_new0(s_mc_comparison_times_t, 1);
1046 if (!_sg_mc_property_file || _sg_mc_property_file[0]=='\0') {
1047 if (mc_reduce_kind==e_mc_reduce_unset)
1048 mc_reduce_kind=e_mc_reduce_dpor;
1050 XBT_INFO("Check a safety property");
1051 MC_modelcheck_safety();
1055 if (mc_reduce_kind==e_mc_reduce_unset)
1056 mc_reduce_kind=e_mc_reduce_none;
1058 XBT_INFO("Check the liveness property %s",_sg_mc_property_file);
1059 MC_automaton_load(_sg_mc_property_file);
1060 MC_modelcheck_liveness();
1064 void MC_modelcheck_safety(void)
1066 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1068 /* Check if MC is already initialized */
1069 if (initial_state_safety)
1072 mc_time = xbt_new0(double, simix_process_maxpid);
1074 /* mc_time refers to clock for each process -> ignore it for heap comparison */
1075 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
1077 /* Initialize the data structures that must be persistent across every
1078 iteration of the model-checker (in RAW memory) */
1082 /* Initialize statistics */
1083 mc_stats = xbt_new0(s_mc_stats_t, 1);
1084 mc_stats->state_size = 1;
1086 /* Create exploration stack */
1087 mc_stack_safety = xbt_fifo_new();
1089 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
1090 MC_init_dot_output();
1094 if(_sg_mc_visited > 0){
1098 MC_init_memory_map_info();
1099 MC_init_debug_info();
1106 /* Save the initial state */
1107 initial_state_safety = xbt_new0(s_mc_global_t, 1);
1108 initial_state_safety->snapshot = MC_take_snapshot(0);
1120 void MC_modelcheck_liveness(){
1122 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1126 mc_time = xbt_new0(double, simix_process_maxpid);
1128 /* mc_time refers to clock for each process -> ignore it for heap comparison */
1129 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
1133 /* Initialize statistics */
1134 mc_stats = xbt_new0(s_mc_stats_t, 1);
1135 mc_stats->state_size = 1;
1137 /* Create exploration stack */
1138 mc_stack_liveness = xbt_fifo_new();
1140 /* Create the initial state */
1141 initial_state_liveness = xbt_new0(s_mc_global_t, 1);
1143 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
1144 MC_init_dot_output();
1151 MC_print_statistics(mc_stats);
1167 int SIMIX_pre_mc_random(smx_simcall_t simcall, int min, int max){
1169 return simcall->mc_value;
1173 int MC_random(int min, int max)
1175 /*FIXME: return mc_current_state->executed_transition->random.value;*/
1176 return simcall_mc_random(min, max);
1180 * \brief Schedules all the process that are ready to run
1182 void MC_wait_for_requests(void)
1184 smx_process_t process;
1188 while (!xbt_dynar_is_empty(simix_global->process_to_run)) {
1189 SIMIX_process_runall();
1190 xbt_dynar_foreach(simix_global->process_that_ran, iter, process) {
1191 req = &process->simcall;
1192 if (req->call != SIMCALL_NONE && !MC_request_is_visible(req))
1193 SIMIX_simcall_pre(req, 0);
1198 int MC_deadlock_check()
1200 int deadlock = FALSE;
1201 smx_process_t process;
1202 if(xbt_swag_size(simix_global->process_list)){
1204 xbt_swag_foreach(process, simix_global->process_list){
1205 if(process->simcall.call != SIMCALL_NONE
1206 && MC_request_is_enabled(&process->simcall)){
1216 * \brief Re-executes from the state at position start all the transitions indicated by
1217 * a given model-checker stack.
1218 * \param stack The stack with the transitions to execute.
1219 * \param start Start index to begin the re-execution.
1221 void MC_replay(xbt_fifo_t stack, int start)
1223 int raw_mem = (mmalloc_get_current_heap() == raw_heap);
1225 int value, i = 1, count = 1;
1227 smx_simcall_t req = NULL, saved_req = NULL;
1228 xbt_fifo_item_t item, start_item;
1230 smx_process_t process = NULL;
1232 XBT_DEBUG("**** Begin Replay ****");
1235 /* Restore the initial state */
1236 MC_restore_snapshot(initial_state_safety->snapshot);
1237 /* At the moment of taking the snapshot the raw heap was set, so restoring
1238 * it will set it back again, we have to unset it to continue */
1242 start_item = xbt_fifo_get_last_item(stack);
1245 start_item = xbt_fifo_get_prev_item(start_item);
1251 xbt_dict_reset(first_enabled_state);
1252 xbt_swag_foreach(process, simix_global->process_list){
1253 if(MC_process_is_enabled(process)){
1254 char *key = bprintf("%lu", process->pid);
1255 char *data = bprintf("%d", count);
1256 xbt_dict_set(first_enabled_state, key, data, NULL);
1263 /* Traverse the stack from the state at position start and re-execute the transitions */
1264 for (item = start_item;
1265 item != xbt_fifo_get_first_item(stack);
1266 item = xbt_fifo_get_prev_item(item)) {
1268 state = (mc_state_t) xbt_fifo_get_item_content(item);
1269 saved_req = MC_state_get_executed_request(state, &value);
1272 char *key = bprintf("%lu", saved_req->issuer->pid);
1273 xbt_dict_remove(first_enabled_state, key);
1278 /* because we got a copy of the executed request, we have to fetch the
1279 real one, pointed by the request field of the issuer process */
1280 req = &saved_req->issuer->simcall;
1282 /* Debug information */
1283 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
1284 req_str = MC_request_to_string(req, value);
1285 XBT_DEBUG("Replay: %s (%p)", req_str, state);
1290 SIMIX_simcall_pre(req, value);
1291 MC_wait_for_requests();
1296 /* Insert in dict all enabled processes */
1297 xbt_swag_foreach(process, simix_global->process_list){
1298 if(MC_process_is_enabled(process) /*&& !MC_state_process_is_done(state, process)*/){
1299 char *key = bprintf("%lu", process->pid);
1300 if(xbt_dict_get_or_null(first_enabled_state, key) == NULL){
1301 char *data = bprintf("%d", count);
1302 xbt_dict_set(first_enabled_state, key, data, NULL);
1309 /* Update statistics */
1310 mc_stats->visited_states++;
1311 mc_stats->executed_transitions++;
1315 XBT_DEBUG("**** End Replay ****");
1325 void MC_replay_liveness(xbt_fifo_t stack, int all_stack)
1328 initial_state_liveness->raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1332 smx_simcall_t req = NULL, saved_req = NULL;
1333 xbt_fifo_item_t item;
1338 XBT_DEBUG("**** Begin Replay ****");
1340 /* Restore the initial state */
1341 MC_restore_snapshot(initial_state_liveness->snapshot);
1343 /* At the moment of taking the snapshot the raw heap was set, so restoring
1344 * it will set it back again, we have to unset it to continue */
1345 if(!initial_state_liveness->raw_mem_set)
1350 item = xbt_fifo_get_last_item(stack);
1352 while(depth <= xbt_fifo_size(stack)){
1354 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
1355 state = (mc_state_t) pair->graph_state;
1357 if(pair->requests > 0){
1359 saved_req = MC_state_get_executed_request(state, &value);
1360 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
1362 if(saved_req != NULL){
1363 /* because we got a copy of the executed request, we have to fetch the
1364 real one, pointed by the request field of the issuer process */
1365 req = &saved_req->issuer->simcall;
1366 //XBT_DEBUG("Req->call %u", req->call);
1368 /* Debug information */
1369 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
1370 req_str = MC_request_to_string(req, value);
1371 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
1377 SIMIX_simcall_pre(req, value);
1378 MC_wait_for_requests();
1383 /* Update statistics */
1384 mc_stats->visited_pairs++;
1385 mc_stats->executed_transitions++;
1387 item = xbt_fifo_get_prev_item(item);
1392 /* Traverse the stack from the initial state and re-execute the transitions */
1393 for (item = xbt_fifo_get_last_item(stack);
1394 item != xbt_fifo_get_first_item(stack);
1395 item = xbt_fifo_get_prev_item(item)) {
1397 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
1398 state = (mc_state_t) pair->graph_state;
1400 if(pair->requests > 0){
1402 saved_req = MC_state_get_executed_request(state, &value);
1403 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
1405 if(saved_req != NULL){
1406 /* because we got a copy of the executed request, we have to fetch the
1407 real one, pointed by the request field of the issuer process */
1408 req = &saved_req->issuer->simcall;
1409 //XBT_DEBUG("Req->call %u", req->call);
1411 /* Debug information */
1412 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
1413 req_str = MC_request_to_string(req, value);
1414 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
1420 SIMIX_simcall_pre(req, value);
1421 MC_wait_for_requests();
1426 /* Update statistics */
1427 mc_stats->visited_pairs++;
1428 mc_stats->executed_transitions++;
1432 XBT_DEBUG("**** End Replay ****");
1434 if(initial_state_liveness->raw_mem_set)
1442 * \brief Dumps the contents of a model-checker's stack and shows the actual
1444 * \param stack The stack to dump
1446 void MC_dump_stack_safety(xbt_fifo_t stack)
1449 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1451 MC_show_stack_safety(stack);
1453 if(!_sg_mc_checkpoint){
1458 while ((state = (mc_state_t) xbt_fifo_pop(stack)) != NULL)
1459 MC_state_delete(state);
1472 void MC_show_stack_safety(xbt_fifo_t stack)
1475 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1481 xbt_fifo_item_t item;
1483 char *req_str = NULL;
1485 for (item = xbt_fifo_get_last_item(stack);
1486 (item ? (state = (mc_state_t) (xbt_fifo_get_item_content(item)))
1487 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
1488 req = MC_state_get_executed_request(state, &value);
1490 req_str = MC_request_to_string(req, value);
1491 XBT_INFO("%s", req_str);
1500 void MC_show_deadlock(smx_simcall_t req)
1502 /*char *req_str = NULL;*/
1503 XBT_INFO("**************************");
1504 XBT_INFO("*** DEAD-LOCK DETECTED ***");
1505 XBT_INFO("**************************");
1506 XBT_INFO("Locked request:");
1507 /*req_str = MC_request_to_string(req);
1508 XBT_INFO("%s", req_str);
1509 xbt_free(req_str);*/
1510 XBT_INFO("Counter-example execution trace:");
1511 MC_dump_stack_safety(mc_stack_safety);
1512 MC_print_statistics(mc_stats);
1516 void MC_show_stack_liveness(xbt_fifo_t stack){
1519 xbt_fifo_item_t item;
1521 char *req_str = NULL;
1523 for (item = xbt_fifo_get_last_item(stack);
1524 (item ? (pair = (mc_pair_t) (xbt_fifo_get_item_content(item)))
1525 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
1526 req = MC_state_get_executed_request(pair->graph_state, &value);
1528 if(pair->requests>0){
1529 req_str = MC_request_to_string(req, value);
1530 XBT_INFO("%s", req_str);
1533 XBT_INFO("End of system requests but evolution in Büchi automaton");
1539 void MC_dump_stack_liveness(xbt_fifo_t stack){
1541 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1546 while ((pair = (mc_pair_t) xbt_fifo_pop(stack)) != NULL)
1547 MC_pair_delete(pair);
1556 void MC_print_statistics(mc_stats_t stats)
1558 if(stats->expanded_pairs == 0){
1559 XBT_INFO("Expanded states = %lu", stats->expanded_states);
1560 XBT_INFO("Visited states = %lu", stats->visited_states);
1562 XBT_INFO("Expanded pairs = %lu", stats->expanded_pairs);
1563 XBT_INFO("Visited pairs = %lu", stats->visited_pairs);
1565 XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
1567 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0')){
1568 fprintf(dot_output, "}\n");
1574 void MC_assert(int prop)
1576 if (MC_is_active() && !prop){
1577 XBT_INFO("**************************");
1578 XBT_INFO("*** PROPERTY NOT VALID ***");
1579 XBT_INFO("**************************");
1580 XBT_INFO("Counter-example execution trace:");
1581 MC_dump_stack_safety(mc_stack_safety);
1582 MC_print_statistics(mc_stats);
1588 user_max_depth_reached = 1;
1591 void MC_process_clock_add(smx_process_t process, double amount)
1593 mc_time[process->pid] += amount;
1596 double MC_process_clock_get(smx_process_t process)
1600 return mc_time[process->pid];
1608 void MC_automaton_load(const char *file){
1610 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1614 if (_mc_property_automaton == NULL)
1615 _mc_property_automaton = xbt_automaton_new();
1617 xbt_automaton_load(_mc_property_automaton,file);
1626 void MC_automaton_new_propositional_symbol(const char* id, void* fct) {
1628 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1632 if (_mc_property_automaton == NULL)
1633 _mc_property_automaton = xbt_automaton_new();
1635 xbt_automaton_propositional_symbol_new(_mc_property_automaton,id,fct);