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;
37 int _sg_mc_comms_determinism=0;
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_hash(const char *name, int pos) {
76 if (_sg_cfg_init_status && !_sg_do_model_check) {
77 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.");
79 _sg_mc_hash= xbt_cfg_get_boolean(_sg_cfg_set, name);
82 void _mc_cfg_cb_max_depth(const char *name, int pos) {
83 if (_sg_cfg_init_status && !_sg_do_model_check) {
84 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.");
86 _sg_mc_max_depth= xbt_cfg_get_int(_sg_cfg_set, name);
89 void _mc_cfg_cb_visited(const char *name, int pos) {
90 if (_sg_cfg_init_status && !_sg_do_model_check) {
91 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.");
93 _sg_mc_visited= xbt_cfg_get_int(_sg_cfg_set, name);
96 void _mc_cfg_cb_dot_output(const char *name, int pos) {
97 if (_sg_cfg_init_status && !_sg_do_model_check) {
98 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.");
100 _sg_mc_dot_output_file= xbt_cfg_get_string(_sg_cfg_set, name);
103 void _mc_cfg_cb_comms_determinism(const char *name, int pos) {
104 if (_sg_cfg_init_status && !_sg_do_model_check) {
105 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.");
107 _sg_mc_comms_determinism= xbt_cfg_get_boolean(_sg_cfg_set, name);
110 /* MC global data structures */
111 mc_state_t mc_current_state = NULL;
112 char mc_replay_mode = FALSE;
113 double *mc_time = NULL;
114 __thread mc_comparison_times_t mc_comp_times = NULL;
115 __thread double mc_snapshot_comparison_time;
116 mc_stats_t mc_stats = NULL;
119 xbt_fifo_t mc_stack_safety = NULL;
120 mc_global_t initial_state_safety = NULL;
123 xbt_fifo_t mc_stack_liveness = NULL;
124 mc_global_t initial_state_liveness = NULL;
127 xbt_automaton_t _mc_property_automaton = NULL;
130 mc_object_info_t mc_libsimgrid_info = NULL;
131 mc_object_info_t mc_binary_info = NULL;
133 /* Ignore mechanism */
134 extern xbt_dynar_t mc_heap_comparison_ignore;
135 extern xbt_dynar_t stacks_areas;
138 FILE *dot_output = NULL;
139 const char* colors[13];
142 /******************************* DWARF Information *******************************/
143 /**********************************************************************************/
145 /************************** Free functions *************************/
147 static void dw_location_free(dw_location_t l){
149 if(l->type == e_dw_loclist)
150 xbt_dynar_free(&(l->location.loclist));
151 else if(l->type == e_dw_compose)
152 xbt_dynar_free(&(l->location.compose));
153 else if(l->type == e_dw_arithmetic)
154 xbt_free(l->location.arithmetic);
160 static void dw_location_entry_free(dw_location_entry_t e){
161 dw_location_free(e->location);
165 void dw_type_free(dw_type_t t){
167 xbt_free(t->dw_type_id);
168 xbt_dynar_free(&(t->members));
172 static void dw_type_free_voidp(void *t){
173 dw_type_free((dw_type_t) * (void **) t);
176 void dw_variable_free(dw_variable_t v){
179 xbt_free(v->type_origin);
181 dw_location_free(v->location);
186 void dw_variable_free_voidp(void *t){
187 dw_variable_free((dw_variable_t) * (void **) t);
192 mc_object_info_t MC_new_object_info(void) {
193 mc_object_info_t res = xbt_new0(s_mc_object_info_t, 1);
194 res->local_variables = xbt_dict_new_homogeneous(NULL);
195 res->global_variables = xbt_dynar_new(sizeof(dw_variable_t), dw_variable_free_voidp);
196 res->types = xbt_dict_new_homogeneous(NULL);
197 res->types_by_name = xbt_dict_new_homogeneous(NULL);
202 void MC_free_object_info(mc_object_info_t* info) {
203 xbt_free(&(*info)->file_name);
204 xbt_dict_free(&(*info)->local_variables);
205 xbt_dynar_free(&(*info)->global_variables);
206 xbt_dict_free(&(*info)->types);
207 xbt_dict_free(&(*info)->types_by_name);
209 xbt_dynar_free(&(*info)->functions_index);
215 void* MC_object_base_address(mc_object_info_t info) {
216 void* result = info->start_exec;
217 if(info->start_rw!=NULL && result > (void*) info->start_rw) result = info->start_rw;
218 if(info->start_ro!=NULL && result > (void*) info->start_ro) result = info->start_ro;
222 // ***** Functions index
224 static int MC_compare_frame_index_items(mc_function_index_item_t a, mc_function_index_item_t b) {
225 if(a->low_pc < b->low_pc)
227 else if(a->low_pc == b->low_pc)
233 static void MC_make_functions_index(mc_object_info_t info) {
234 xbt_dynar_t index = xbt_dynar_new(sizeof(s_mc_function_index_item_t), NULL);
236 // Populate the array:
237 dw_frame_t frame = NULL;
238 xbt_dict_cursor_t cursor = NULL;
239 const char* name = NULL;
240 xbt_dict_foreach(info->local_variables, cursor, name, frame) {
241 if(frame->low_pc==NULL)
243 s_mc_function_index_item_t entry;
244 entry.low_pc = frame->low_pc;
245 entry.high_pc = frame->high_pc;
246 entry.function = frame;
247 xbt_dynar_push(index, &entry);
250 mc_function_index_item_t base = (mc_function_index_item_t) xbt_dynar_get_ptr(index, 0);
252 // Sort the array by low_pc:
254 xbt_dynar_length(index),
255 sizeof(s_mc_function_index_item_t),
256 (int (*)(const void *, const void *))MC_compare_frame_index_items);
258 info->functions_index = index;
261 mc_object_info_t MC_ip_find_object_info(void* ip) {
262 mc_object_info_t infos[2] = { mc_binary_info, mc_libsimgrid_info };
265 for(i=0; i!=n; ++i) {
266 if(ip >= (void*)infos[i]->start_exec && ip <= (void*)infos[i]->end_exec) {
273 static dw_frame_t MC_find_function_by_ip_and_object(void* ip, mc_object_info_t info) {
274 xbt_dynar_t dynar = info->functions_index;
275 mc_function_index_item_t base = (mc_function_index_item_t) xbt_dynar_get_ptr(dynar, 0);
277 int j = xbt_dynar_length(dynar) - 1;
279 int k = i + ((j-i)/2);
280 if(ip < base[k].low_pc) {
282 } else if(ip > base[k].high_pc) {
285 return base[k].function;
291 dw_frame_t MC_find_function_by_ip(void* ip) {
292 mc_object_info_t info = MC_ip_find_object_info(ip);
296 return MC_find_function_by_ip_and_object(ip, info);
299 static void MC_post_process_variables(mc_object_info_t info) {
301 dw_variable_t variable = NULL;
302 xbt_dynar_foreach(info->global_variables, cursor, variable) {
303 if(variable->type_origin) {
304 variable->type = xbt_dict_get_or_null(info->types, variable->type_origin);
309 static void MC_post_process_functions(mc_object_info_t info) {
310 xbt_dict_cursor_t cursor = NULL;
312 dw_frame_t function = NULL;
313 xbt_dict_foreach(info->local_variables, cursor, key, function) {
314 unsigned cursor2 = 0;
315 dw_variable_t variable = NULL;
316 xbt_dynar_foreach(function->variables, cursor2, variable) {
317 if(variable->type_origin) {
318 variable->type = xbt_dict_get_or_null(info->types, variable->type_origin);
324 /** \brief Finds informations about a given shared object/executable */
325 mc_object_info_t MC_find_object_info(memory_map_t maps, char* name, int executable) {
326 mc_object_info_t result = MC_new_object_info();
328 result->flags |= MC_OBJECT_INFO_EXECUTABLE;
329 result->file_name = xbt_strdup(name);
330 MC_find_object_address(maps, result);
331 MC_dwarf_get_variables(result);
332 MC_post_process_types(result);
333 MC_post_process_variables(result);
334 MC_post_process_functions(result);
335 MC_make_functions_index(result);
339 /*************************************************************************/
341 static dw_location_t MC_dwarf_get_location(xbt_dict_t location_list, char *expr){
343 dw_location_t loc = xbt_new0(s_dw_location_t, 1);
345 if(location_list != NULL){
347 char *key = bprintf("%d", (int)strtoul(expr, NULL, 16));
348 loc->type = e_dw_loclist;
349 loc->location.loclist = (xbt_dynar_t)xbt_dict_get_or_null(location_list, key);
350 if(loc->location.loclist == NULL)
351 XBT_INFO("Key not found in loclist");
358 char *tok = NULL, *tok2 = NULL;
360 xbt_dynar_t tokens1 = xbt_str_split(expr, ";");
363 loc->type = e_dw_compose;
364 loc->location.compose = xbt_dynar_new(sizeof(dw_location_t), NULL);
366 while(cursor < xbt_dynar_length(tokens1)){
368 tok = xbt_dynar_get_as(tokens1, cursor, char*);
369 tokens2 = xbt_str_split(tok, " ");
370 tok2 = xbt_dynar_get_as(tokens2, 0, char*);
372 if(strncmp(tok2, "DW_OP_reg", 9) == 0){
373 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
374 new_element->type = e_dw_register;
375 new_element->location.reg = atoi(strtok(tok2, "DW_OP_reg"));
376 xbt_dynar_push(loc->location.compose, &new_element);
377 }else if(strcmp(tok2, "DW_OP_fbreg:") == 0){
378 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
379 new_element->type = e_dw_fbregister_op;
380 new_element->location.fbreg_op = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
381 xbt_dynar_push(loc->location.compose, &new_element);
382 }else if(strncmp(tok2, "DW_OP_breg", 10) == 0){
383 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
384 new_element->type = e_dw_bregister_op;
385 new_element->location.breg_op.reg = atoi(strtok(tok2, "DW_OP_breg"));
386 new_element->location.breg_op.offset = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
387 xbt_dynar_push(loc->location.compose, &new_element);
388 }else if(strncmp(tok2, "DW_OP_lit", 9) == 0){
389 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
390 new_element->type = e_dw_lit;
391 new_element->location.lit = atoi(strtok(tok2, "DW_OP_lit"));
392 xbt_dynar_push(loc->location.compose, &new_element);
393 }else if(strcmp(tok2, "DW_OP_piece:") == 0){
394 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
395 new_element->type = e_dw_piece;
396 new_element->location.piece = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
397 xbt_dynar_push(loc->location.compose, &new_element);
398 }else if(strcmp(tok2, "DW_OP_plus_uconst:") == 0){
399 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
400 new_element->type = e_dw_plus_uconst;
401 new_element->location.plus_uconst = 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(tok, "DW_OP_abs") == 0 ||
404 strcmp(tok, "DW_OP_and") == 0 ||
405 strcmp(tok, "DW_OP_div") == 0 ||
406 strcmp(tok, "DW_OP_minus") == 0 ||
407 strcmp(tok, "DW_OP_mod") == 0 ||
408 strcmp(tok, "DW_OP_mul") == 0 ||
409 strcmp(tok, "DW_OP_neg") == 0 ||
410 strcmp(tok, "DW_OP_not") == 0 ||
411 strcmp(tok, "DW_OP_or") == 0 ||
412 strcmp(tok, "DW_OP_plus") == 0){
413 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
414 new_element->type = e_dw_arithmetic;
415 new_element->location.arithmetic = strdup(strtok(tok2, "DW_OP_"));
416 xbt_dynar_push(loc->location.compose, &new_element);
417 }else if(strcmp(tok, "DW_OP_stack_value") == 0){
418 }else if(strcmp(tok2, "DW_OP_deref_size:") == 0){
419 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
420 new_element->type = e_dw_deref;
421 new_element->location.deref_size = (unsigned int short) atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
422 xbt_dynar_push(loc->location.compose, &new_element);
423 }else if(strcmp(tok, "DW_OP_deref") == 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 = sizeof(void *);
427 xbt_dynar_push(loc->location.compose, &new_element);
428 }else if(strcmp(tok2, "DW_OP_constu:") == 0){
429 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
430 new_element->type = e_dw_uconstant;
431 new_element->location.uconstant.bytes = 1;
432 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
433 xbt_dynar_push(loc->location.compose, &new_element);
434 }else if(strcmp(tok2, "DW_OP_consts:") == 0){
435 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
436 new_element->type = e_dw_sconstant;
437 new_element->location.sconstant.bytes = 1;
438 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
439 xbt_dynar_push(loc->location.compose, &new_element);
440 }else if(strcmp(tok2, "DW_OP_const1u:") == 0 ||
441 strcmp(tok2, "DW_OP_const2u:") == 0 ||
442 strcmp(tok2, "DW_OP_const4u:") == 0 ||
443 strcmp(tok2, "DW_OP_const8u:") == 0){
444 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
445 new_element->type = e_dw_uconstant;
446 new_element->location.uconstant.bytes = tok2[11] - '0';
447 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
448 xbt_dynar_push(loc->location.compose, &new_element);
449 }else if(strcmp(tok, "DW_OP_const1s") == 0 ||
450 strcmp(tok, "DW_OP_const2s") == 0 ||
451 strcmp(tok, "DW_OP_const4s") == 0 ||
452 strcmp(tok, "DW_OP_const8s") == 0){
453 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
454 new_element->type = e_dw_sconstant;
455 new_element->location.sconstant.bytes = tok2[11] - '0';
456 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
457 xbt_dynar_push(loc->location.compose, &new_element);
459 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
460 new_element->type = e_dw_unsupported;
461 xbt_dynar_push(loc->location.compose, &new_element);
465 xbt_dynar_free(&tokens2);
469 xbt_dynar_free(&tokens1);
478 /** \brief Finds a frame (DW_TAG_subprogram) from an DWARF offset in the rangd of this subprogram
480 * The offset can be an offset of a child DW_TAG_variable.
482 static dw_frame_t MC_dwarf_get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset){
484 xbt_dict_cursor_t cursor = NULL;
488 xbt_dict_foreach(all_variables, cursor, name, res) {
489 if(offset >= res->start && offset < res->end){
490 xbt_dict_cursor_free(&cursor);
495 xbt_dict_cursor_free(&cursor);
500 static dw_variable_t MC_dwarf_get_variable_by_name(dw_frame_t frame, char *var){
502 unsigned int cursor = 0;
503 dw_variable_t current_var;
505 xbt_dynar_foreach(frame->variables, cursor, current_var){
506 if(strcmp(var, current_var->name) == 0)
513 static int MC_dwarf_get_variable_index(xbt_dynar_t variables, char* var, void *address){
515 if(xbt_dynar_is_empty(variables))
518 unsigned int cursor = 0;
520 int end = xbt_dynar_length(variables) - 1;
521 dw_variable_t var_test = NULL;
524 cursor = (start + end) / 2;
525 var_test = (dw_variable_t)xbt_dynar_get_as(variables, cursor, dw_variable_t);
526 if(strcmp(var_test->name, var) < 0){
528 }else if(strcmp(var_test->name, var) > 0){
531 if(address){ /* global variable */
532 if(var_test->address == address)
534 if(var_test->address > address)
538 }else{ /* local variable */
544 if(strcmp(var_test->name, var) == 0){
545 if(address && var_test->address < address)
549 }else if(strcmp(var_test->name, var) < 0)
556 void MC_dwarf_register_global_variable(mc_object_info_t info, dw_variable_t variable) {
557 int index = MC_dwarf_get_variable_index(info->global_variables, variable->name, variable->address);
559 xbt_dynar_insert_at(info->global_variables, index, &variable);
563 void MC_dwarf_register_non_global_variable(mc_object_info_t info, dw_frame_t frame, dw_variable_t variable) {
564 xbt_assert(frame, "Frame is NULL");
565 int index = MC_dwarf_get_variable_index(frame->variables, variable->name, NULL);
567 xbt_dynar_insert_at(frame->variables, index, &variable);
571 void MC_dwarf_register_variable(mc_object_info_t info, dw_frame_t frame, dw_variable_t variable) {
573 MC_dwarf_register_global_variable(info, variable);
575 xbt_die("No frame for this local variable");
577 MC_dwarf_register_non_global_variable(info, frame, variable);
581 /******************************* Ignore mechanism *******************************/
582 /*********************************************************************************/
584 xbt_dynar_t mc_checkpoint_ignore;
586 typedef struct s_mc_stack_ignore_variable{
589 }s_mc_stack_ignore_variable_t, *mc_stack_ignore_variable_t;
591 /**************************** Free functions ******************************/
593 static void stack_ignore_variable_free(mc_stack_ignore_variable_t v){
594 xbt_free(v->var_name);
599 static void stack_ignore_variable_free_voidp(void *v){
600 stack_ignore_variable_free((mc_stack_ignore_variable_t) * (void **) v);
603 void heap_ignore_region_free(mc_heap_ignore_region_t r){
607 void heap_ignore_region_free_voidp(void *r){
608 heap_ignore_region_free((mc_heap_ignore_region_t) * (void **) r);
611 static void checkpoint_ignore_region_free(mc_checkpoint_ignore_region_t r){
615 static void checkpoint_ignore_region_free_voidp(void *r){
616 checkpoint_ignore_region_free((mc_checkpoint_ignore_region_t) * (void **) r);
619 /***********************************************************************/
621 void MC_ignore_heap(void *address, size_t size){
623 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
627 mc_heap_ignore_region_t region = NULL;
628 region = xbt_new0(s_mc_heap_ignore_region_t, 1);
629 region->address = address;
632 region->block = ((char*)address - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
634 if(((xbt_mheap_t)std_heap)->heapinfo[region->block].type == 0){
635 region->fragment = -1;
636 ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_block.ignore++;
638 region->fragment = ((uintptr_t) (ADDR2UINT (address) % (BLOCKSIZE))) >> ((xbt_mheap_t)std_heap)->heapinfo[region->block].type;
639 ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_frag.ignore[region->fragment]++;
642 if(mc_heap_comparison_ignore == NULL){
643 mc_heap_comparison_ignore = xbt_dynar_new(sizeof(mc_heap_ignore_region_t), heap_ignore_region_free_voidp);
644 xbt_dynar_push(mc_heap_comparison_ignore, ®ion);
650 unsigned int cursor = 0;
651 mc_heap_ignore_region_t current_region = NULL;
653 int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
656 cursor = (start + end) / 2;
657 current_region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
658 if(current_region->address == address){
659 heap_ignore_region_free(region);
663 }else if(current_region->address < address){
670 if(current_region->address < address)
671 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor + 1, ®ion);
673 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor, ®ion);
679 void MC_remove_ignore_heap(void *address, size_t size){
681 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
685 unsigned int cursor = 0;
687 int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
688 mc_heap_ignore_region_t region;
689 int ignore_found = 0;
692 cursor = (start + end) / 2;
693 region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
694 if(region->address == address){
697 }else if(region->address < address){
700 if((char * )region->address <= ((char *)address + size)){
709 if(ignore_found == 1){
710 xbt_dynar_remove_at(mc_heap_comparison_ignore, cursor, NULL);
711 MC_remove_ignore_heap(address, size);
719 void MC_ignore_global_variable(const char *name){
721 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
725 xbt_assert(mc_libsimgrid_info, "MC subsystem not initialized");
727 unsigned int cursor = 0;
728 dw_variable_t current_var;
730 int end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
733 cursor = (start + end) /2;
734 current_var = (dw_variable_t)xbt_dynar_get_as(mc_libsimgrid_info->global_variables, cursor, dw_variable_t);
735 if(strcmp(current_var->name, name) == 0){
736 xbt_dynar_remove_at(mc_libsimgrid_info->global_variables, cursor, NULL);
738 end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
739 }else if(strcmp(current_var->name, name) < 0){
750 void MC_ignore_local_variable(const char *var_name, const char *frame_name){
752 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
756 unsigned int cursor = 0;
757 dw_variable_t current_var;
759 if(strcmp(frame_name, "*") == 0){ /* Remove variable in all frames */
760 xbt_dict_cursor_t dict_cursor;
761 char *current_frame_name;
763 xbt_dict_foreach(mc_libsimgrid_info->local_variables, dict_cursor, current_frame_name, frame){
765 end = xbt_dynar_length(frame->variables) - 1;
767 cursor = (start + end) / 2;
768 current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
769 if(strcmp(current_var->name, var_name) == 0){
770 xbt_dynar_remove_at(frame->variables, cursor, NULL);
772 end = xbt_dynar_length(frame->variables) - 1;
773 }else if(strcmp(current_var->name, var_name) < 0){
780 xbt_dict_foreach(mc_binary_info->local_variables, dict_cursor, current_frame_name, frame){
782 end = xbt_dynar_length(frame->variables) - 1;
784 cursor = (start + end) / 2;
785 current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
786 if(strcmp(current_var->name, var_name) == 0){
787 xbt_dynar_remove_at(frame->variables, cursor, NULL);
789 end = xbt_dynar_length(frame->variables) - 1;
790 }else if(strcmp(current_var->name, var_name) < 0){
798 xbt_dynar_t variables_list = ((dw_frame_t)xbt_dict_get_or_null(
799 mc_libsimgrid_info->local_variables, frame_name))->variables;
801 end = xbt_dynar_length(variables_list) - 1;
803 cursor = (start + end) / 2;
804 current_var = (dw_variable_t)xbt_dynar_get_as(variables_list, cursor, dw_variable_t);
805 if(strcmp(current_var->name, var_name) == 0){
806 xbt_dynar_remove_at(variables_list, cursor, NULL);
808 end = xbt_dynar_length(variables_list) - 1;
809 }else if(strcmp(current_var->name, var_name) < 0){
822 void MC_new_stack_area(void *stack, char *name, void* context, size_t size){
824 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
828 if(stacks_areas == NULL)
829 stacks_areas = xbt_dynar_new(sizeof(stack_region_t), NULL);
831 stack_region_t region = NULL;
832 region = xbt_new0(s_stack_region_t, 1);
833 region->address = stack;
834 region->process_name = strdup(name);
835 region->context = context;
837 region->block = ((char*)stack - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
838 xbt_dynar_push(stacks_areas, ®ion);
844 void MC_ignore(void *addr, size_t size){
846 int raw_mem_set= (mmalloc_get_current_heap() == raw_heap);
850 if(mc_checkpoint_ignore == NULL)
851 mc_checkpoint_ignore = xbt_dynar_new(sizeof(mc_checkpoint_ignore_region_t), checkpoint_ignore_region_free_voidp);
853 mc_checkpoint_ignore_region_t region = xbt_new0(s_mc_checkpoint_ignore_region_t, 1);
857 if(xbt_dynar_is_empty(mc_checkpoint_ignore)){
858 xbt_dynar_push(mc_checkpoint_ignore, ®ion);
861 unsigned int cursor = 0;
863 int end = xbt_dynar_length(mc_checkpoint_ignore) -1;
864 mc_checkpoint_ignore_region_t current_region = NULL;
867 cursor = (start + end) / 2;
868 current_region = (mc_checkpoint_ignore_region_t)xbt_dynar_get_as(mc_checkpoint_ignore, cursor, mc_checkpoint_ignore_region_t);
869 if(current_region->addr == addr){
870 if(current_region->size == size){
871 checkpoint_ignore_region_free(region);
875 }else if(current_region->size < size){
880 }else if(current_region->addr < addr){
887 if(current_region->addr == addr){
888 if(current_region->size < size){
889 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
891 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
893 }else if(current_region->addr < addr){
894 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
896 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
904 /******************************* Initialisation of MC *******************************/
905 /*********************************************************************************/
907 static void MC_post_process_object_info(mc_object_info_t info) {
908 mc_object_info_t other_info = info == mc_binary_info ? mc_libsimgrid_info : mc_binary_info;
909 xbt_dict_cursor_t cursor = NULL;
911 dw_type_t type = NULL;
912 xbt_dict_foreach(info->types, cursor, key, type){
913 if(type->name && type->byte_size == 0) {
914 type->other_object_same_type = xbt_dict_get_or_null(other_info->types_by_name, type->name);
919 static void MC_init_debug_info(void) {
920 XBT_INFO("Get debug information ...");
922 memory_map_t maps = MC_get_memory_map();
924 /* Get local variables for state equality detection */
925 mc_binary_info = MC_find_object_info(maps, xbt_binary_name, 1);
926 mc_libsimgrid_info = MC_find_object_info(maps, libsimgrid_path, 0);
928 // Use information of the other objects:
929 MC_post_process_object_info(mc_binary_info);
930 MC_post_process_object_info(mc_libsimgrid_info);
932 MC_free_memory_map(maps);
933 XBT_INFO("Get debug information done !");
938 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
942 /* Initialize the data structures that must be persistent across every
943 iteration of the model-checker (in RAW memory) */
947 MC_init_memory_map_info();
948 MC_init_debug_info();
951 parmap = xbt_parmap_mc_new(xbt_os_get_numcores(), XBT_PARMAP_DEFAULT);
955 /* Ignore some variables from xbt/ex.h used by exception e for stacks comparison */
956 MC_ignore_local_variable("e", "*");
957 MC_ignore_local_variable("__ex_cleanup", "*");
958 MC_ignore_local_variable("__ex_mctx_en", "*");
959 MC_ignore_local_variable("__ex_mctx_me", "*");
960 MC_ignore_local_variable("__xbt_ex_ctx_ptr", "*");
961 MC_ignore_local_variable("_log_ev", "*");
962 MC_ignore_local_variable("_throw_ctx", "*");
963 MC_ignore_local_variable("ctx", "*");
965 MC_ignore_local_variable("next_context", "smx_ctx_sysv_suspend_serial");
966 MC_ignore_local_variable("i", "smx_ctx_sysv_suspend_serial");
968 /* Ignore local variable about time used for tracing */
969 MC_ignore_local_variable("start_time", "*");
971 MC_ignore_global_variable("mc_comp_times");
972 MC_ignore_global_variable("mc_snapshot_comparison_time");
973 MC_ignore_global_variable("mc_time");
974 MC_ignore_global_variable("smpi_current_rank");
975 MC_ignore_global_variable("counter"); /* Static variable used for tracing */
976 MC_ignore_global_variable("maestro_stack_start");
977 MC_ignore_global_variable("maestro_stack_end");
978 MC_ignore_global_variable("smx_total_comms");
980 MC_ignore_heap(&(simix_global->process_to_run), sizeof(simix_global->process_to_run));
981 MC_ignore_heap(&(simix_global->process_that_ran), sizeof(simix_global->process_that_ran));
982 MC_ignore_heap(simix_global->process_to_run, sizeof(*(simix_global->process_to_run)));
983 MC_ignore_heap(simix_global->process_that_ran, sizeof(*(simix_global->process_that_ran)));
985 smx_process_t process;
986 xbt_swag_foreach(process, simix_global->process_list){
987 MC_ignore_heap(&(process->process_hookup), sizeof(process->process_hookup));
995 static void MC_init_dot_output(){ /* FIXME : more colors */
999 colors[2] = "green3";
1000 colors[3] = "goldenrod";
1001 colors[4] = "brown";
1002 colors[5] = "purple";
1003 colors[6] = "magenta";
1004 colors[7] = "turquoise4";
1005 colors[8] = "gray25";
1006 colors[9] = "forestgreen";
1007 colors[10] = "hotpink";
1008 colors[11] = "lightblue";
1011 dot_output = fopen(_sg_mc_dot_output_file, "w");
1013 if(dot_output == NULL){
1014 perror("Error open dot output file");
1018 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");
1022 /******************************* Core of MC *******************************/
1023 /**************************************************************************/
1025 void MC_do_the_modelcheck_for_real() {
1028 mc_comp_times = xbt_new0(s_mc_comparison_times_t, 1);
1031 if (!_sg_mc_property_file || _sg_mc_property_file[0]=='\0') {
1032 if (mc_reduce_kind==e_mc_reduce_unset)
1033 mc_reduce_kind=e_mc_reduce_dpor;
1035 XBT_INFO("Check a safety property");
1036 MC_modelcheck_safety();
1040 if (mc_reduce_kind==e_mc_reduce_unset)
1041 mc_reduce_kind=e_mc_reduce_none;
1043 XBT_INFO("Check the liveness property %s",_sg_mc_property_file);
1044 MC_automaton_load(_sg_mc_property_file);
1045 MC_modelcheck_liveness();
1049 void MC_modelcheck_safety(void)
1051 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1053 /* Check if MC is already initialized */
1054 if (initial_state_safety)
1057 mc_time = xbt_new0(double, simix_process_maxpid);
1059 /* mc_time refers to clock for each process -> ignore it for heap comparison */
1060 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
1062 /* Initialize the data structures that must be persistent across every
1063 iteration of the model-checker (in RAW memory) */
1067 /* Initialize statistics */
1068 mc_stats = xbt_new0(s_mc_stats_t, 1);
1069 mc_stats->state_size = 1;
1071 /* Create exploration stack */
1072 mc_stack_safety = xbt_fifo_new();
1074 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
1075 MC_init_dot_output();
1079 if(_sg_mc_visited > 0){
1083 MC_init_memory_map_info();
1084 MC_init_debug_info();
1091 /* Save the initial state */
1092 initial_state_safety = xbt_new0(s_mc_global_t, 1);
1093 initial_state_safety->snapshot = MC_take_snapshot(0);
1094 initial_state_safety->initial_communications_pattern_done = 0;
1095 initial_state_safety->comm_deterministic = 1;
1096 initial_state_safety->send_deterministic = 1;
1108 void MC_modelcheck_liveness(){
1110 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1114 mc_time = xbt_new0(double, simix_process_maxpid);
1116 /* mc_time refers to clock for each process -> ignore it for heap comparison */
1117 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
1121 /* Initialize statistics */
1122 mc_stats = xbt_new0(s_mc_stats_t, 1);
1123 mc_stats->state_size = 1;
1125 /* Create exploration stack */
1126 mc_stack_liveness = xbt_fifo_new();
1128 /* Create the initial state */
1129 initial_state_liveness = xbt_new0(s_mc_global_t, 1);
1131 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
1132 MC_init_dot_output();
1139 MC_print_statistics(mc_stats);
1156 int SIMIX_pre_mc_random(smx_simcall_t simcall, int min, int max){
1158 return simcall->mc_value;
1162 int MC_random(int min, int max)
1164 /*FIXME: return mc_current_state->executed_transition->random.value;*/
1165 return simcall_mc_random(min, max);
1169 * \brief Schedules all the process that are ready to run
1171 void MC_wait_for_requests(void)
1173 smx_process_t process;
1177 while (!xbt_dynar_is_empty(simix_global->process_to_run)) {
1178 SIMIX_process_runall();
1179 xbt_dynar_foreach(simix_global->process_that_ran, iter, process) {
1180 req = &process->simcall;
1181 if (req->call != SIMCALL_NONE && !MC_request_is_visible(req))
1182 SIMIX_simcall_pre(req, 0);
1187 int MC_deadlock_check()
1189 int deadlock = FALSE;
1190 smx_process_t process;
1191 if(xbt_swag_size(simix_global->process_list)){
1193 xbt_swag_foreach(process, simix_global->process_list){
1194 if(process->simcall.call != SIMCALL_NONE
1195 && MC_request_is_enabled(&process->simcall)){
1205 * \brief Re-executes from the state at position start all the transitions indicated by
1206 * a given model-checker stack.
1207 * \param stack The stack with the transitions to execute.
1208 * \param start Start index to begin the re-execution.
1210 void MC_replay(xbt_fifo_t stack, int start)
1212 int raw_mem = (mmalloc_get_current_heap() == raw_heap);
1214 int value, i = 1, count = 1;
1216 smx_simcall_t req = NULL, saved_req = NULL;
1217 xbt_fifo_item_t item, start_item;
1219 smx_process_t process = NULL;
1220 int comm_pattern = 0;
1222 XBT_DEBUG("**** Begin Replay ****");
1225 /* Restore the initial state */
1226 MC_restore_snapshot(initial_state_safety->snapshot);
1227 /* At the moment of taking the snapshot the raw heap was set, so restoring
1228 * it will set it back again, we have to unset it to continue */
1232 start_item = xbt_fifo_get_last_item(stack);
1235 start_item = xbt_fifo_get_prev_item(start_item);
1241 xbt_dict_reset(first_enabled_state);
1242 xbt_swag_foreach(process, simix_global->process_list){
1243 if(MC_process_is_enabled(process)){
1244 char *key = bprintf("%lu", process->pid);
1245 char *data = bprintf("%d", count);
1246 xbt_dict_set(first_enabled_state, key, data, NULL);
1250 if(_sg_mc_comms_determinism)
1251 xbt_dynar_reset(communications_pattern);
1255 /* Traverse the stack from the state at position start and re-execute the transitions */
1256 for (item = start_item;
1257 item != xbt_fifo_get_first_item(stack);
1258 item = xbt_fifo_get_prev_item(item)) {
1260 state = (mc_state_t) xbt_fifo_get_item_content(item);
1261 saved_req = MC_state_get_executed_request(state, &value);
1264 char *key = bprintf("%lu", saved_req->issuer->pid);
1265 xbt_dict_remove(first_enabled_state, key);
1270 /* because we got a copy of the executed request, we have to fetch the
1271 real one, pointed by the request field of the issuer process */
1272 req = &saved_req->issuer->simcall;
1274 /* Debug information */
1275 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
1276 req_str = MC_request_to_string(req, value);
1277 XBT_DEBUG("Replay: %s (%p)", req_str, state);
1282 if(_sg_mc_comms_determinism){
1283 if(req->call == SIMCALL_COMM_ISEND)
1285 else if(req->call == SIMCALL_COMM_IRECV)
1289 SIMIX_simcall_pre(req, value);
1291 if(_sg_mc_comms_determinism){
1293 if(comm_pattern != 0){
1294 get_comm_pattern(communications_pattern, req, comm_pattern);
1300 MC_wait_for_requests();
1305 /* Insert in dict all enabled processes */
1306 xbt_swag_foreach(process, simix_global->process_list){
1307 if(MC_process_is_enabled(process) /*&& !MC_state_process_is_done(state, process)*/){
1308 char *key = bprintf("%lu", process->pid);
1309 if(xbt_dict_get_or_null(first_enabled_state, key) == NULL){
1310 char *data = bprintf("%d", count);
1311 xbt_dict_set(first_enabled_state, key, data, NULL);
1318 /* Update statistics */
1319 mc_stats->visited_states++;
1320 mc_stats->executed_transitions++;
1324 XBT_DEBUG("**** End Replay ****");
1334 void MC_replay_liveness(xbt_fifo_t stack, int all_stack)
1337 initial_state_liveness->raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1341 smx_simcall_t req = NULL, saved_req = NULL;
1342 xbt_fifo_item_t item;
1347 XBT_DEBUG("**** Begin Replay ****");
1349 /* Restore the initial state */
1350 MC_restore_snapshot(initial_state_liveness->snapshot);
1352 /* At the moment of taking the snapshot the raw heap was set, so restoring
1353 * it will set it back again, we have to unset it to continue */
1354 if(!initial_state_liveness->raw_mem_set)
1359 item = xbt_fifo_get_last_item(stack);
1361 while(depth <= xbt_fifo_size(stack)){
1363 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
1364 state = (mc_state_t) pair->graph_state;
1366 if(pair->requests > 0){
1368 saved_req = MC_state_get_executed_request(state, &value);
1369 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
1371 if(saved_req != NULL){
1372 /* because we got a copy of the executed request, we have to fetch the
1373 real one, pointed by the request field of the issuer process */
1374 req = &saved_req->issuer->simcall;
1375 //XBT_DEBUG("Req->call %u", req->call);
1377 /* Debug information */
1378 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
1379 req_str = MC_request_to_string(req, value);
1380 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
1386 SIMIX_simcall_pre(req, value);
1387 MC_wait_for_requests();
1392 /* Update statistics */
1393 mc_stats->visited_pairs++;
1394 mc_stats->executed_transitions++;
1396 item = xbt_fifo_get_prev_item(item);
1401 /* Traverse the stack from the initial state and re-execute the transitions */
1402 for (item = xbt_fifo_get_last_item(stack);
1403 item != xbt_fifo_get_first_item(stack);
1404 item = xbt_fifo_get_prev_item(item)) {
1406 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
1407 state = (mc_state_t) pair->graph_state;
1409 if(pair->requests > 0){
1411 saved_req = MC_state_get_executed_request(state, &value);
1412 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
1414 if(saved_req != NULL){
1415 /* because we got a copy of the executed request, we have to fetch the
1416 real one, pointed by the request field of the issuer process */
1417 req = &saved_req->issuer->simcall;
1418 //XBT_DEBUG("Req->call %u", req->call);
1420 /* Debug information */
1421 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
1422 req_str = MC_request_to_string(req, value);
1423 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
1429 SIMIX_simcall_pre(req, value);
1430 MC_wait_for_requests();
1435 /* Update statistics */
1436 mc_stats->visited_pairs++;
1437 mc_stats->executed_transitions++;
1441 XBT_DEBUG("**** End Replay ****");
1443 if(initial_state_liveness->raw_mem_set)
1451 * \brief Dumps the contents of a model-checker's stack and shows the actual
1453 * \param stack The stack to dump
1455 void MC_dump_stack_safety(xbt_fifo_t stack)
1458 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1460 MC_show_stack_safety(stack);
1462 if(!_sg_mc_checkpoint){
1467 while ((state = (mc_state_t) xbt_fifo_pop(stack)) != NULL)
1468 MC_state_delete(state);
1481 void MC_show_stack_safety(xbt_fifo_t stack)
1484 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1490 xbt_fifo_item_t item;
1492 char *req_str = NULL;
1494 for (item = xbt_fifo_get_last_item(stack);
1495 (item ? (state = (mc_state_t) (xbt_fifo_get_item_content(item)))
1496 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
1497 req = MC_state_get_executed_request(state, &value);
1499 req_str = MC_request_to_string(req, value);
1500 XBT_INFO("%s", req_str);
1509 void MC_show_deadlock(smx_simcall_t req)
1511 /*char *req_str = NULL;*/
1512 XBT_INFO("**************************");
1513 XBT_INFO("*** DEAD-LOCK DETECTED ***");
1514 XBT_INFO("**************************");
1515 XBT_INFO("Locked request:");
1516 /*req_str = MC_request_to_string(req);
1517 XBT_INFO("%s", req_str);
1518 xbt_free(req_str);*/
1519 XBT_INFO("Counter-example execution trace:");
1520 MC_dump_stack_safety(mc_stack_safety);
1521 MC_print_statistics(mc_stats);
1525 void MC_show_stack_liveness(xbt_fifo_t stack){
1528 xbt_fifo_item_t item;
1530 char *req_str = NULL;
1532 for (item = xbt_fifo_get_last_item(stack);
1533 (item ? (pair = (mc_pair_t) (xbt_fifo_get_item_content(item)))
1534 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
1535 req = MC_state_get_executed_request(pair->graph_state, &value);
1537 if(pair->requests>0){
1538 req_str = MC_request_to_string(req, value);
1539 XBT_INFO("%s", req_str);
1542 XBT_INFO("End of system requests but evolution in Büchi automaton");
1548 void MC_dump_stack_liveness(xbt_fifo_t stack){
1550 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1555 while ((pair = (mc_pair_t) xbt_fifo_pop(stack)) != NULL)
1556 MC_pair_delete(pair);
1565 void MC_print_statistics(mc_stats_t stats)
1567 if(stats->expanded_pairs == 0){
1568 XBT_INFO("Expanded states = %lu", stats->expanded_states);
1569 XBT_INFO("Visited states = %lu", stats->visited_states);
1571 XBT_INFO("Expanded pairs = %lu", stats->expanded_pairs);
1572 XBT_INFO("Visited pairs = %lu", stats->visited_pairs);
1574 XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
1576 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0')){
1577 fprintf(dot_output, "}\n");
1580 if(initial_state_safety != NULL && _sg_mc_comms_determinism){
1581 XBT_INFO("Communication-deterministic : %s", !initial_state_safety->comm_deterministic ? "No" : "Yes");
1582 XBT_INFO("Send-deterministic : %s", !initial_state_safety->send_deterministic ? "No" : "Yes");
1587 void MC_assert(int prop)
1589 if (MC_is_active() && !prop){
1590 XBT_INFO("**************************");
1591 XBT_INFO("*** PROPERTY NOT VALID ***");
1592 XBT_INFO("**************************");
1593 XBT_INFO("Counter-example execution trace:");
1594 MC_dump_stack_safety(mc_stack_safety);
1595 MC_print_statistics(mc_stats);
1601 user_max_depth_reached = 1;
1604 void MC_process_clock_add(smx_process_t process, double amount)
1606 mc_time[process->pid] += amount;
1609 double MC_process_clock_get(smx_process_t process)
1613 return mc_time[process->pid];
1621 void MC_automaton_load(const char *file){
1623 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1627 if (_mc_property_automaton == NULL)
1628 _mc_property_automaton = xbt_automaton_new();
1630 xbt_automaton_load(_mc_property_automaton,file);
1639 void MC_automaton_new_propositional_symbol(const char* id, void* fct) {
1641 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1645 if (_mc_property_automaton == NULL)
1646 _mc_property_automaton = xbt_automaton_new();
1648 xbt_automaton_propositional_symbol_new(_mc_property_automaton,id,fct);