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;
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->local_variables = xbt_dict_new_homogeneous(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);
210 void MC_free_object_info(mc_object_info_t* info) {
211 xbt_free(&(*info)->file_name);
212 xbt_dict_free(&(*info)->local_variables);
213 xbt_dynar_free(&(*info)->global_variables);
214 xbt_dict_free(&(*info)->types);
215 xbt_dict_free(&(*info)->types_by_name);
217 xbt_dynar_free(&(*info)->functions_index);
223 void* MC_object_base_address(mc_object_info_t info) {
224 void* result = info->start_exec;
225 if(info->start_rw!=NULL && result > (void*) info->start_rw) result = info->start_rw;
226 if(info->start_ro!=NULL && result > (void*) info->start_ro) result = info->start_ro;
230 // ***** Functions index
232 static int MC_compare_frame_index_items(mc_function_index_item_t a, mc_function_index_item_t b) {
233 if(a->low_pc < b->low_pc)
235 else if(a->low_pc == b->low_pc)
241 static void MC_make_functions_index(mc_object_info_t info) {
242 xbt_dynar_t index = xbt_dynar_new(sizeof(s_mc_function_index_item_t), NULL);
244 // Populate the array:
245 dw_frame_t frame = NULL;
246 xbt_dict_cursor_t cursor = NULL;
247 const char* name = NULL;
248 xbt_dict_foreach(info->local_variables, cursor, name, frame) {
249 if(frame->low_pc==NULL)
251 s_mc_function_index_item_t entry;
252 entry.low_pc = frame->low_pc;
253 entry.high_pc = frame->high_pc;
254 entry.function = frame;
255 xbt_dynar_push(index, &entry);
258 mc_function_index_item_t base = (mc_function_index_item_t) xbt_dynar_get_ptr(index, 0);
260 // Sort the array by low_pc:
262 xbt_dynar_length(index),
263 sizeof(s_mc_function_index_item_t),
264 (int (*)(const void *, const void *))MC_compare_frame_index_items);
266 info->functions_index = index;
269 mc_object_info_t MC_ip_find_object_info(void* ip) {
270 mc_object_info_t infos[2] = { mc_binary_info, mc_libsimgrid_info };
273 for(i=0; i!=n; ++i) {
274 if(ip >= (void*)infos[i]->start_exec && ip <= (void*)infos[i]->end_exec) {
281 static dw_frame_t MC_find_function_by_ip_and_object(void* ip, mc_object_info_t info) {
282 xbt_dynar_t dynar = info->functions_index;
283 mc_function_index_item_t base = (mc_function_index_item_t) xbt_dynar_get_ptr(dynar, 0);
285 int j = xbt_dynar_length(dynar) - 1;
287 int k = i + ((j-i)/2);
288 if(ip < base[k].low_pc) {
290 } else if(ip > base[k].high_pc) {
293 return base[k].function;
299 dw_frame_t MC_find_function_by_ip(void* ip) {
300 mc_object_info_t info = MC_ip_find_object_info(ip);
304 return MC_find_function_by_ip_and_object(ip, info);
307 static void MC_post_process_variables(mc_object_info_t info) {
309 dw_variable_t variable = NULL;
310 xbt_dynar_foreach(info->global_variables, cursor, variable) {
311 if(variable->type_origin) {
312 variable->type = xbt_dict_get_or_null(info->types, variable->type_origin);
317 static void MC_post_process_functions(mc_object_info_t info) {
318 xbt_dict_cursor_t cursor = NULL;
320 dw_frame_t function = NULL;
321 xbt_dict_foreach(info->local_variables, cursor, key, function) {
322 unsigned cursor2 = 0;
323 dw_variable_t variable = NULL;
324 xbt_dynar_foreach(function->variables, cursor2, variable) {
325 if(variable->type_origin) {
326 variable->type = xbt_dict_get_or_null(info->types, variable->type_origin);
332 /** \brief Finds informations about a given shared object/executable */
333 mc_object_info_t MC_find_object_info(memory_map_t maps, char* name, int executable) {
334 mc_object_info_t result = MC_new_object_info();
336 result->flags |= MC_OBJECT_INFO_EXECUTABLE;
337 result->file_name = xbt_strdup(name);
338 MC_find_object_address(maps, result);
339 MC_dwarf_get_variables(result);
340 MC_post_process_types(result);
341 MC_post_process_variables(result);
342 MC_post_process_functions(result);
343 MC_make_functions_index(result);
347 /*************************************************************************/
349 static dw_location_t MC_dwarf_get_location(xbt_dict_t location_list, char *expr){
351 dw_location_t loc = xbt_new0(s_dw_location_t, 1);
353 if(location_list != NULL){
355 char *key = bprintf("%d", (int)strtoul(expr, NULL, 16));
356 loc->type = e_dw_loclist;
357 loc->location.loclist = (xbt_dynar_t)xbt_dict_get_or_null(location_list, key);
358 if(loc->location.loclist == NULL)
359 XBT_INFO("Key not found in loclist");
366 char *tok = NULL, *tok2 = NULL;
368 xbt_dynar_t tokens1 = xbt_str_split(expr, ";");
371 loc->type = e_dw_compose;
372 loc->location.compose = xbt_dynar_new(sizeof(dw_location_t), NULL);
374 while(cursor < xbt_dynar_length(tokens1)){
376 tok = xbt_dynar_get_as(tokens1, cursor, char*);
377 tokens2 = xbt_str_split(tok, " ");
378 tok2 = xbt_dynar_get_as(tokens2, 0, char*);
380 if(strncmp(tok2, "DW_OP_reg", 9) == 0){
381 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
382 new_element->type = e_dw_register;
383 new_element->location.reg = atoi(strtok(tok2, "DW_OP_reg"));
384 xbt_dynar_push(loc->location.compose, &new_element);
385 }else if(strcmp(tok2, "DW_OP_fbreg:") == 0){
386 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
387 new_element->type = e_dw_fbregister_op;
388 new_element->location.fbreg_op = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
389 xbt_dynar_push(loc->location.compose, &new_element);
390 }else if(strncmp(tok2, "DW_OP_breg", 10) == 0){
391 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
392 new_element->type = e_dw_bregister_op;
393 new_element->location.breg_op.reg = atoi(strtok(tok2, "DW_OP_breg"));
394 new_element->location.breg_op.offset = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
395 xbt_dynar_push(loc->location.compose, &new_element);
396 }else if(strncmp(tok2, "DW_OP_lit", 9) == 0){
397 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
398 new_element->type = e_dw_lit;
399 new_element->location.lit = atoi(strtok(tok2, "DW_OP_lit"));
400 xbt_dynar_push(loc->location.compose, &new_element);
401 }else if(strcmp(tok2, "DW_OP_piece:") == 0){
402 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
403 new_element->type = e_dw_piece;
404 new_element->location.piece = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
405 xbt_dynar_push(loc->location.compose, &new_element);
406 }else if(strcmp(tok2, "DW_OP_plus_uconst:") == 0){
407 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
408 new_element->type = e_dw_plus_uconst;
409 new_element->location.plus_uconst = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char *));
410 xbt_dynar_push(loc->location.compose, &new_element);
411 }else if(strcmp(tok, "DW_OP_abs") == 0 ||
412 strcmp(tok, "DW_OP_and") == 0 ||
413 strcmp(tok, "DW_OP_div") == 0 ||
414 strcmp(tok, "DW_OP_minus") == 0 ||
415 strcmp(tok, "DW_OP_mod") == 0 ||
416 strcmp(tok, "DW_OP_mul") == 0 ||
417 strcmp(tok, "DW_OP_neg") == 0 ||
418 strcmp(tok, "DW_OP_not") == 0 ||
419 strcmp(tok, "DW_OP_or") == 0 ||
420 strcmp(tok, "DW_OP_plus") == 0){
421 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
422 new_element->type = e_dw_arithmetic;
423 new_element->location.arithmetic = strdup(strtok(tok2, "DW_OP_"));
424 xbt_dynar_push(loc->location.compose, &new_element);
425 }else if(strcmp(tok, "DW_OP_stack_value") == 0){
426 }else if(strcmp(tok2, "DW_OP_deref_size:") == 0){
427 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
428 new_element->type = e_dw_deref;
429 new_element->location.deref_size = (unsigned int short) atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
430 xbt_dynar_push(loc->location.compose, &new_element);
431 }else if(strcmp(tok, "DW_OP_deref") == 0){
432 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
433 new_element->type = e_dw_deref;
434 new_element->location.deref_size = sizeof(void *);
435 xbt_dynar_push(loc->location.compose, &new_element);
436 }else if(strcmp(tok2, "DW_OP_constu:") == 0){
437 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
438 new_element->type = e_dw_uconstant;
439 new_element->location.uconstant.bytes = 1;
440 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
441 xbt_dynar_push(loc->location.compose, &new_element);
442 }else if(strcmp(tok2, "DW_OP_consts:") == 0){
443 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
444 new_element->type = e_dw_sconstant;
445 new_element->location.sconstant.bytes = 1;
446 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
447 xbt_dynar_push(loc->location.compose, &new_element);
448 }else if(strcmp(tok2, "DW_OP_const1u:") == 0 ||
449 strcmp(tok2, "DW_OP_const2u:") == 0 ||
450 strcmp(tok2, "DW_OP_const4u:") == 0 ||
451 strcmp(tok2, "DW_OP_const8u:") == 0){
452 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
453 new_element->type = e_dw_uconstant;
454 new_element->location.uconstant.bytes = tok2[11] - '0';
455 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
456 xbt_dynar_push(loc->location.compose, &new_element);
457 }else if(strcmp(tok, "DW_OP_const1s") == 0 ||
458 strcmp(tok, "DW_OP_const2s") == 0 ||
459 strcmp(tok, "DW_OP_const4s") == 0 ||
460 strcmp(tok, "DW_OP_const8s") == 0){
461 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
462 new_element->type = e_dw_sconstant;
463 new_element->location.sconstant.bytes = tok2[11] - '0';
464 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
465 xbt_dynar_push(loc->location.compose, &new_element);
467 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
468 new_element->type = e_dw_unsupported;
469 xbt_dynar_push(loc->location.compose, &new_element);
473 xbt_dynar_free(&tokens2);
477 xbt_dynar_free(&tokens1);
486 /** \brief Finds a frame (DW_TAG_subprogram) from an DWARF offset in the rangd of this subprogram
488 * The offset can be an offset of a child DW_TAG_variable.
490 static dw_frame_t MC_dwarf_get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset){
492 xbt_dict_cursor_t cursor = NULL;
496 xbt_dict_foreach(all_variables, cursor, name, res) {
497 if(offset >= res->start && offset < res->end){
498 xbt_dict_cursor_free(&cursor);
503 xbt_dict_cursor_free(&cursor);
508 static dw_variable_t MC_dwarf_get_variable_by_name(dw_frame_t frame, char *var){
510 unsigned int cursor = 0;
511 dw_variable_t current_var;
513 xbt_dynar_foreach(frame->variables, cursor, current_var){
514 if(strcmp(var, current_var->name) == 0)
521 static int MC_dwarf_get_variable_index(xbt_dynar_t variables, char* var, void *address){
523 if(xbt_dynar_is_empty(variables))
526 unsigned int cursor = 0;
528 int end = xbt_dynar_length(variables) - 1;
529 dw_variable_t var_test = NULL;
532 cursor = (start + end) / 2;
533 var_test = (dw_variable_t)xbt_dynar_get_as(variables, cursor, dw_variable_t);
534 if(strcmp(var_test->name, var) < 0){
536 }else if(strcmp(var_test->name, var) > 0){
539 if(address){ /* global variable */
540 if(var_test->address == address)
542 if(var_test->address > address)
546 }else{ /* local variable */
552 if(strcmp(var_test->name, var) == 0){
553 if(address && var_test->address < address)
557 }else if(strcmp(var_test->name, var) < 0)
564 void MC_dwarf_register_global_variable(mc_object_info_t info, dw_variable_t variable) {
565 int index = MC_dwarf_get_variable_index(info->global_variables, variable->name, variable->address);
567 xbt_dynar_insert_at(info->global_variables, index, &variable);
571 void MC_dwarf_register_non_global_variable(mc_object_info_t info, dw_frame_t frame, dw_variable_t variable) {
572 xbt_assert(frame, "Frame is NULL");
573 int index = MC_dwarf_get_variable_index(frame->variables, variable->name, NULL);
575 xbt_dynar_insert_at(frame->variables, index, &variable);
579 void MC_dwarf_register_variable(mc_object_info_t info, dw_frame_t frame, dw_variable_t variable) {
581 MC_dwarf_register_global_variable(info, variable);
583 xbt_die("No frame for this local variable");
585 MC_dwarf_register_non_global_variable(info, frame, variable);
589 /******************************* Ignore mechanism *******************************/
590 /*********************************************************************************/
592 xbt_dynar_t mc_checkpoint_ignore;
594 typedef struct s_mc_stack_ignore_variable{
597 }s_mc_stack_ignore_variable_t, *mc_stack_ignore_variable_t;
599 /**************************** Free functions ******************************/
601 static void stack_ignore_variable_free(mc_stack_ignore_variable_t v){
602 xbt_free(v->var_name);
607 static void stack_ignore_variable_free_voidp(void *v){
608 stack_ignore_variable_free((mc_stack_ignore_variable_t) * (void **) v);
611 void heap_ignore_region_free(mc_heap_ignore_region_t r){
615 void heap_ignore_region_free_voidp(void *r){
616 heap_ignore_region_free((mc_heap_ignore_region_t) * (void **) r);
619 static void checkpoint_ignore_region_free(mc_checkpoint_ignore_region_t r){
623 static void checkpoint_ignore_region_free_voidp(void *r){
624 checkpoint_ignore_region_free((mc_checkpoint_ignore_region_t) * (void **) r);
627 /***********************************************************************/
629 void MC_ignore_heap(void *address, size_t size){
631 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
635 mc_heap_ignore_region_t region = NULL;
636 region = xbt_new0(s_mc_heap_ignore_region_t, 1);
637 region->address = address;
640 region->block = ((char*)address - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
642 if(((xbt_mheap_t)std_heap)->heapinfo[region->block].type == 0){
643 region->fragment = -1;
644 ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_block.ignore++;
646 region->fragment = ((uintptr_t) (ADDR2UINT (address) % (BLOCKSIZE))) >> ((xbt_mheap_t)std_heap)->heapinfo[region->block].type;
647 ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_frag.ignore[region->fragment]++;
650 if(mc_heap_comparison_ignore == NULL){
651 mc_heap_comparison_ignore = xbt_dynar_new(sizeof(mc_heap_ignore_region_t), heap_ignore_region_free_voidp);
652 xbt_dynar_push(mc_heap_comparison_ignore, ®ion);
658 unsigned int cursor = 0;
659 mc_heap_ignore_region_t current_region = NULL;
661 int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
664 cursor = (start + end) / 2;
665 current_region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
666 if(current_region->address == address){
667 heap_ignore_region_free(region);
671 }else if(current_region->address < address){
678 if(current_region->address < address)
679 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor + 1, ®ion);
681 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor, ®ion);
687 void MC_remove_ignore_heap(void *address, size_t size){
689 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
693 unsigned int cursor = 0;
695 int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
696 mc_heap_ignore_region_t region;
697 int ignore_found = 0;
700 cursor = (start + end) / 2;
701 region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
702 if(region->address == address){
705 }else if(region->address < address){
708 if((char * )region->address <= ((char *)address + size)){
717 if(ignore_found == 1){
718 xbt_dynar_remove_at(mc_heap_comparison_ignore, cursor, NULL);
719 MC_remove_ignore_heap(address, size);
727 void MC_ignore_global_variable(const char *name){
729 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
733 xbt_assert(mc_libsimgrid_info, "MC subsystem not initialized");
735 unsigned int cursor = 0;
736 dw_variable_t current_var;
738 int end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
741 cursor = (start + end) /2;
742 current_var = (dw_variable_t)xbt_dynar_get_as(mc_libsimgrid_info->global_variables, cursor, dw_variable_t);
743 if(strcmp(current_var->name, name) == 0){
744 xbt_dynar_remove_at(mc_libsimgrid_info->global_variables, cursor, NULL);
746 end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
747 }else if(strcmp(current_var->name, name) < 0){
758 void MC_ignore_local_variable(const char *var_name, const char *frame_name){
760 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
764 unsigned int cursor = 0;
765 dw_variable_t current_var;
767 if(strcmp(frame_name, "*") == 0){ /* Remove variable in all frames */
768 xbt_dict_cursor_t dict_cursor;
769 char *current_frame_name;
771 xbt_dict_foreach(mc_libsimgrid_info->local_variables, dict_cursor, current_frame_name, frame){
773 end = xbt_dynar_length(frame->variables) - 1;
775 cursor = (start + end) / 2;
776 current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
777 if(strcmp(current_var->name, var_name) == 0){
778 xbt_dynar_remove_at(frame->variables, cursor, NULL);
780 end = xbt_dynar_length(frame->variables) - 1;
781 }else if(strcmp(current_var->name, var_name) < 0){
788 xbt_dict_foreach(mc_binary_info->local_variables, dict_cursor, current_frame_name, frame){
790 end = xbt_dynar_length(frame->variables) - 1;
792 cursor = (start + end) / 2;
793 current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
794 if(strcmp(current_var->name, var_name) == 0){
795 xbt_dynar_remove_at(frame->variables, cursor, NULL);
797 end = xbt_dynar_length(frame->variables) - 1;
798 }else if(strcmp(current_var->name, var_name) < 0){
806 xbt_dynar_t variables_list = ((dw_frame_t)xbt_dict_get_or_null(
807 mc_libsimgrid_info->local_variables, frame_name))->variables;
809 end = xbt_dynar_length(variables_list) - 1;
811 cursor = (start + end) / 2;
812 current_var = (dw_variable_t)xbt_dynar_get_as(variables_list, cursor, dw_variable_t);
813 if(strcmp(current_var->name, var_name) == 0){
814 xbt_dynar_remove_at(variables_list, cursor, NULL);
816 end = xbt_dynar_length(variables_list) - 1;
817 }else if(strcmp(current_var->name, var_name) < 0){
830 void MC_new_stack_area(void *stack, char *name, void* context, size_t size){
832 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
836 if(stacks_areas == NULL)
837 stacks_areas = xbt_dynar_new(sizeof(stack_region_t), NULL);
839 stack_region_t region = NULL;
840 region = xbt_new0(s_stack_region_t, 1);
841 region->address = stack;
842 region->process_name = strdup(name);
843 region->context = context;
845 region->block = ((char*)stack - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
846 xbt_dynar_push(stacks_areas, ®ion);
852 void MC_ignore(void *addr, size_t size){
854 int raw_mem_set= (mmalloc_get_current_heap() == raw_heap);
858 if(mc_checkpoint_ignore == NULL)
859 mc_checkpoint_ignore = xbt_dynar_new(sizeof(mc_checkpoint_ignore_region_t), checkpoint_ignore_region_free_voidp);
861 mc_checkpoint_ignore_region_t region = xbt_new0(s_mc_checkpoint_ignore_region_t, 1);
865 if(xbt_dynar_is_empty(mc_checkpoint_ignore)){
866 xbt_dynar_push(mc_checkpoint_ignore, ®ion);
869 unsigned int cursor = 0;
871 int end = xbt_dynar_length(mc_checkpoint_ignore) -1;
872 mc_checkpoint_ignore_region_t current_region = NULL;
875 cursor = (start + end) / 2;
876 current_region = (mc_checkpoint_ignore_region_t)xbt_dynar_get_as(mc_checkpoint_ignore, cursor, mc_checkpoint_ignore_region_t);
877 if(current_region->addr == addr){
878 if(current_region->size == size){
879 checkpoint_ignore_region_free(region);
883 }else if(current_region->size < size){
888 }else if(current_region->addr < addr){
895 if(current_region->addr == addr){
896 if(current_region->size < size){
897 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
899 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
901 }else if(current_region->addr < addr){
902 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
904 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
912 /******************************* Initialisation of MC *******************************/
913 /*********************************************************************************/
915 static void MC_post_process_object_info(mc_object_info_t info) {
916 mc_object_info_t other_info = info == mc_binary_info ? mc_libsimgrid_info : mc_binary_info;
917 xbt_dict_cursor_t cursor = NULL;
919 dw_type_t type = NULL;
920 xbt_dict_foreach(info->types, cursor, key, type){
921 if(type->name && type->byte_size == 0) {
922 type->other_object_same_type = xbt_dict_get_or_null(other_info->types_by_name, type->name);
927 static void MC_init_debug_info(void) {
928 XBT_INFO("Get debug information ...");
930 memory_map_t maps = MC_get_memory_map();
932 /* Get local variables for state equality detection */
933 mc_binary_info = MC_find_object_info(maps, xbt_binary_name, 1);
934 mc_libsimgrid_info = MC_find_object_info(maps, libsimgrid_path, 0);
936 // Use information of the other objects:
937 MC_post_process_object_info(mc_binary_info);
938 MC_post_process_object_info(mc_libsimgrid_info);
940 MC_free_memory_map(maps);
941 XBT_INFO("Get debug information done !");
946 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
950 /* Initialize the data structures that must be persistent across every
951 iteration of the model-checker (in RAW memory) */
955 MC_init_memory_map_info();
956 MC_init_debug_info();
959 parmap = xbt_parmap_mc_new(xbt_os_get_numcores(), XBT_PARMAP_DEFAULT);
963 /* Ignore some variables from xbt/ex.h used by exception e for stacks comparison */
964 MC_ignore_local_variable("e", "*");
965 MC_ignore_local_variable("__ex_cleanup", "*");
966 MC_ignore_local_variable("__ex_mctx_en", "*");
967 MC_ignore_local_variable("__ex_mctx_me", "*");
968 MC_ignore_local_variable("__xbt_ex_ctx_ptr", "*");
969 MC_ignore_local_variable("_log_ev", "*");
970 MC_ignore_local_variable("_throw_ctx", "*");
971 MC_ignore_local_variable("ctx", "*");
973 MC_ignore_local_variable("next_context", "smx_ctx_sysv_suspend_serial");
974 MC_ignore_local_variable("i", "smx_ctx_sysv_suspend_serial");
976 /* Ignore local variable about time used for tracing */
977 MC_ignore_local_variable("start_time", "*");
979 MC_ignore_global_variable("mc_comp_times");
980 MC_ignore_global_variable("mc_snapshot_comparison_time");
981 MC_ignore_global_variable("mc_time");
982 MC_ignore_global_variable("smpi_current_rank");
983 MC_ignore_global_variable("counter"); /* Static variable used for tracing */
984 MC_ignore_global_variable("maestro_stack_start");
985 MC_ignore_global_variable("maestro_stack_end");
986 MC_ignore_global_variable("smx_total_comms");
988 MC_ignore_heap(&(simix_global->process_to_run), sizeof(simix_global->process_to_run));
989 MC_ignore_heap(&(simix_global->process_that_ran), sizeof(simix_global->process_that_ran));
990 MC_ignore_heap(simix_global->process_to_run, sizeof(*(simix_global->process_to_run)));
991 MC_ignore_heap(simix_global->process_that_ran, sizeof(*(simix_global->process_that_ran)));
993 smx_process_t process;
994 xbt_swag_foreach(process, simix_global->process_list){
995 MC_ignore_heap(&(process->process_hookup), sizeof(process->process_hookup));
1003 static void MC_init_dot_output(){ /* FIXME : more colors */
1007 colors[2] = "green3";
1008 colors[3] = "goldenrod";
1009 colors[4] = "brown";
1010 colors[5] = "purple";
1011 colors[6] = "magenta";
1012 colors[7] = "turquoise4";
1013 colors[8] = "gray25";
1014 colors[9] = "forestgreen";
1015 colors[10] = "hotpink";
1016 colors[11] = "lightblue";
1019 dot_output = fopen(_sg_mc_dot_output_file, "w");
1021 if(dot_output == NULL){
1022 perror("Error open dot output file");
1026 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");
1030 /******************************* Core of MC *******************************/
1031 /**************************************************************************/
1033 void MC_do_the_modelcheck_for_real() {
1036 mc_comp_times = xbt_new0(s_mc_comparison_times_t, 1);
1039 if (!_sg_mc_property_file || _sg_mc_property_file[0]=='\0') {
1040 if (mc_reduce_kind==e_mc_reduce_unset)
1041 mc_reduce_kind=e_mc_reduce_dpor;
1043 XBT_INFO("Check a safety property");
1044 MC_modelcheck_safety();
1048 if (mc_reduce_kind==e_mc_reduce_unset)
1049 mc_reduce_kind=e_mc_reduce_none;
1051 XBT_INFO("Check the liveness property %s",_sg_mc_property_file);
1052 MC_automaton_load(_sg_mc_property_file);
1053 MC_modelcheck_liveness();
1057 void MC_modelcheck_safety(void)
1059 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1061 /* Check if MC is already initialized */
1062 if (initial_state_safety)
1065 mc_time = xbt_new0(double, simix_process_maxpid);
1067 /* mc_time refers to clock for each process -> ignore it for heap comparison */
1068 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
1070 /* Initialize the data structures that must be persistent across every
1071 iteration of the model-checker (in RAW memory) */
1075 /* Initialize statistics */
1076 mc_stats = xbt_new0(s_mc_stats_t, 1);
1077 mc_stats->state_size = 1;
1079 /* Create exploration stack */
1080 mc_stack_safety = xbt_fifo_new();
1082 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
1083 MC_init_dot_output();
1087 if(_sg_mc_visited > 0){
1091 MC_init_memory_map_info();
1092 MC_init_debug_info();
1099 /* Save the initial state */
1100 initial_state_safety = xbt_new0(s_mc_global_t, 1);
1101 initial_state_safety->snapshot = MC_take_snapshot(0);
1102 initial_state_safety->initial_communications_pattern_done = 0;
1103 initial_state_safety->comm_deterministic = 1;
1104 initial_state_safety->send_deterministic = 1;
1116 void MC_modelcheck_liveness(){
1118 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1122 mc_time = xbt_new0(double, simix_process_maxpid);
1124 /* mc_time refers to clock for each process -> ignore it for heap comparison */
1125 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
1129 /* Initialize statistics */
1130 mc_stats = xbt_new0(s_mc_stats_t, 1);
1131 mc_stats->state_size = 1;
1133 /* Create exploration stack */
1134 mc_stack_liveness = xbt_fifo_new();
1136 /* Create the initial state */
1137 initial_state_liveness = xbt_new0(s_mc_global_t, 1);
1139 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
1140 MC_init_dot_output();
1147 MC_print_statistics(mc_stats);
1164 int SIMIX_pre_mc_random(smx_simcall_t simcall, int min, int max){
1166 return simcall->mc_value;
1170 int MC_random(int min, int max)
1172 /*FIXME: return mc_current_state->executed_transition->random.value;*/
1173 return simcall_mc_random(min, max);
1177 * \brief Schedules all the process that are ready to run
1179 void MC_wait_for_requests(void)
1181 smx_process_t process;
1185 while (!xbt_dynar_is_empty(simix_global->process_to_run)) {
1186 SIMIX_process_runall();
1187 xbt_dynar_foreach(simix_global->process_that_ran, iter, process) {
1188 req = &process->simcall;
1189 if (req->call != SIMCALL_NONE && !MC_request_is_visible(req))
1190 SIMIX_simcall_pre(req, 0);
1195 int MC_deadlock_check()
1197 int deadlock = FALSE;
1198 smx_process_t process;
1199 if(xbt_swag_size(simix_global->process_list)){
1201 xbt_swag_foreach(process, simix_global->process_list){
1202 if(process->simcall.call != SIMCALL_NONE
1203 && MC_request_is_enabled(&process->simcall)){
1213 * \brief Re-executes from the state at position start all the transitions indicated by
1214 * a given model-checker stack.
1215 * \param stack The stack with the transitions to execute.
1216 * \param start Start index to begin the re-execution.
1218 void MC_replay(xbt_fifo_t stack, int start)
1220 int raw_mem = (mmalloc_get_current_heap() == raw_heap);
1222 int value, i = 1, count = 1;
1224 smx_simcall_t req = NULL, saved_req = NULL;
1225 xbt_fifo_item_t item, start_item;
1227 smx_process_t process = NULL;
1228 int comm_pattern = 0;
1230 XBT_DEBUG("**** Begin Replay ****");
1233 /* Restore the initial state */
1234 MC_restore_snapshot(initial_state_safety->snapshot);
1235 /* At the moment of taking the snapshot the raw heap was set, so restoring
1236 * it will set it back again, we have to unset it to continue */
1240 start_item = xbt_fifo_get_last_item(stack);
1243 start_item = xbt_fifo_get_prev_item(start_item);
1249 xbt_dict_reset(first_enabled_state);
1250 xbt_swag_foreach(process, simix_global->process_list){
1251 if(MC_process_is_enabled(process)){
1252 char *key = bprintf("%lu", process->pid);
1253 char *data = bprintf("%d", count);
1254 xbt_dict_set(first_enabled_state, key, data, NULL);
1258 if(_sg_mc_comms_determinism || _sg_mc_send_determinism)
1259 xbt_dynar_reset(communications_pattern);
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 if(_sg_mc_comms_determinism || _sg_mc_send_determinism){
1291 if(req->call == SIMCALL_COMM_ISEND)
1293 else if(req->call == SIMCALL_COMM_IRECV)
1297 SIMIX_simcall_pre(req, value);
1299 if(_sg_mc_comms_determinism || _sg_mc_send_determinism){
1301 if(comm_pattern != 0){
1302 get_comm_pattern(communications_pattern, req, comm_pattern);
1308 MC_wait_for_requests();
1313 /* Insert in dict all enabled processes */
1314 xbt_swag_foreach(process, simix_global->process_list){
1315 if(MC_process_is_enabled(process) /*&& !MC_state_process_is_done(state, process)*/){
1316 char *key = bprintf("%lu", process->pid);
1317 if(xbt_dict_get_or_null(first_enabled_state, key) == NULL){
1318 char *data = bprintf("%d", count);
1319 xbt_dict_set(first_enabled_state, key, data, NULL);
1326 /* Update statistics */
1327 mc_stats->visited_states++;
1328 mc_stats->executed_transitions++;
1332 XBT_DEBUG("**** End Replay ****");
1342 void MC_replay_liveness(xbt_fifo_t stack, int all_stack)
1345 initial_state_liveness->raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1349 smx_simcall_t req = NULL, saved_req = NULL;
1350 xbt_fifo_item_t item;
1355 XBT_DEBUG("**** Begin Replay ****");
1357 /* Restore the initial state */
1358 MC_restore_snapshot(initial_state_liveness->snapshot);
1360 /* At the moment of taking the snapshot the raw heap was set, so restoring
1361 * it will set it back again, we have to unset it to continue */
1362 if(!initial_state_liveness->raw_mem_set)
1367 item = xbt_fifo_get_last_item(stack);
1369 while(depth <= xbt_fifo_size(stack)){
1371 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
1372 state = (mc_state_t) pair->graph_state;
1374 if(pair->requests > 0){
1376 saved_req = MC_state_get_executed_request(state, &value);
1377 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
1379 if(saved_req != NULL){
1380 /* because we got a copy of the executed request, we have to fetch the
1381 real one, pointed by the request field of the issuer process */
1382 req = &saved_req->issuer->simcall;
1383 //XBT_DEBUG("Req->call %u", req->call);
1385 /* Debug information */
1386 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
1387 req_str = MC_request_to_string(req, value);
1388 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
1394 SIMIX_simcall_pre(req, value);
1395 MC_wait_for_requests();
1400 /* Update statistics */
1401 mc_stats->visited_pairs++;
1402 mc_stats->executed_transitions++;
1404 item = xbt_fifo_get_prev_item(item);
1409 /* Traverse the stack from the initial state and re-execute the transitions */
1410 for (item = xbt_fifo_get_last_item(stack);
1411 item != xbt_fifo_get_first_item(stack);
1412 item = xbt_fifo_get_prev_item(item)) {
1414 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
1415 state = (mc_state_t) pair->graph_state;
1417 if(pair->requests > 0){
1419 saved_req = MC_state_get_executed_request(state, &value);
1420 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
1422 if(saved_req != NULL){
1423 /* because we got a copy of the executed request, we have to fetch the
1424 real one, pointed by the request field of the issuer process */
1425 req = &saved_req->issuer->simcall;
1426 //XBT_DEBUG("Req->call %u", req->call);
1428 /* Debug information */
1429 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
1430 req_str = MC_request_to_string(req, value);
1431 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
1437 SIMIX_simcall_pre(req, value);
1438 MC_wait_for_requests();
1443 /* Update statistics */
1444 mc_stats->visited_pairs++;
1445 mc_stats->executed_transitions++;
1449 XBT_DEBUG("**** End Replay ****");
1451 if(initial_state_liveness->raw_mem_set)
1459 * \brief Dumps the contents of a model-checker's stack and shows the actual
1461 * \param stack The stack to dump
1463 void MC_dump_stack_safety(xbt_fifo_t stack)
1466 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1468 MC_show_stack_safety(stack);
1470 if(!_sg_mc_checkpoint){
1475 while ((state = (mc_state_t) xbt_fifo_pop(stack)) != NULL)
1476 MC_state_delete(state);
1489 void MC_show_stack_safety(xbt_fifo_t stack)
1492 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1498 xbt_fifo_item_t item;
1500 char *req_str = NULL;
1502 for (item = xbt_fifo_get_last_item(stack);
1503 (item ? (state = (mc_state_t) (xbt_fifo_get_item_content(item)))
1504 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
1505 req = MC_state_get_executed_request(state, &value);
1507 req_str = MC_request_to_string(req, value);
1508 XBT_INFO("%s", req_str);
1517 void MC_show_deadlock(smx_simcall_t req)
1519 /*char *req_str = NULL;*/
1520 XBT_INFO("**************************");
1521 XBT_INFO("*** DEAD-LOCK DETECTED ***");
1522 XBT_INFO("**************************");
1523 XBT_INFO("Locked request:");
1524 /*req_str = MC_request_to_string(req);
1525 XBT_INFO("%s", req_str);
1526 xbt_free(req_str);*/
1527 XBT_INFO("Counter-example execution trace:");
1528 MC_dump_stack_safety(mc_stack_safety);
1529 MC_print_statistics(mc_stats);
1533 void MC_show_stack_liveness(xbt_fifo_t stack){
1536 xbt_fifo_item_t item;
1538 char *req_str = NULL;
1540 for (item = xbt_fifo_get_last_item(stack);
1541 (item ? (pair = (mc_pair_t) (xbt_fifo_get_item_content(item)))
1542 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
1543 req = MC_state_get_executed_request(pair->graph_state, &value);
1545 if(pair->requests>0){
1546 req_str = MC_request_to_string(req, value);
1547 XBT_INFO("%s", req_str);
1550 XBT_INFO("End of system requests but evolution in Büchi automaton");
1556 void MC_dump_stack_liveness(xbt_fifo_t stack){
1558 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1563 while ((pair = (mc_pair_t) xbt_fifo_pop(stack)) != NULL)
1564 MC_pair_delete(pair);
1573 void MC_print_statistics(mc_stats_t stats)
1575 if(stats->expanded_pairs == 0){
1576 XBT_INFO("Expanded states = %lu", stats->expanded_states);
1577 XBT_INFO("Visited states = %lu", stats->visited_states);
1579 XBT_INFO("Expanded pairs = %lu", stats->expanded_pairs);
1580 XBT_INFO("Visited pairs = %lu", stats->visited_pairs);
1582 XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
1584 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0')){
1585 fprintf(dot_output, "}\n");
1588 if(initial_state_safety != NULL){
1589 if(_sg_mc_comms_determinism)
1590 XBT_INFO("Communication-deterministic : %s", !initial_state_safety->comm_deterministic ? "No" : "Yes");
1591 if (_sg_mc_send_determinism)
1592 XBT_INFO("Send-deterministic : %s", !initial_state_safety->send_deterministic ? "No" : "Yes");
1597 void MC_assert(int prop)
1599 if (MC_is_active() && !prop){
1600 XBT_INFO("**************************");
1601 XBT_INFO("*** PROPERTY NOT VALID ***");
1602 XBT_INFO("**************************");
1603 XBT_INFO("Counter-example execution trace:");
1604 MC_dump_stack_safety(mc_stack_safety);
1605 MC_print_statistics(mc_stats);
1611 user_max_depth_reached = 1;
1614 void MC_process_clock_add(smx_process_t process, double amount)
1616 mc_time[process->pid] += amount;
1619 double MC_process_clock_get(smx_process_t process)
1623 return mc_time[process->pid];
1631 void MC_automaton_load(const char *file){
1633 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1637 if (_mc_property_automaton == NULL)
1638 _mc_property_automaton = xbt_automaton_new();
1640 xbt_automaton_load(_mc_property_automaton,file);
1649 void MC_automaton_new_propositional_symbol(const char* id, void* fct) {
1651 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1655 if (_mc_property_automaton == NULL)
1656 _mc_property_automaton = xbt_automaton_new();
1658 xbt_automaton_propositional_symbol_new(_mc_property_automaton,id,fct);