1 /* Copyright (c) 2008-2014. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
13 #include "simgrid/sg_config.h"
14 #include "../surf/surf_private.h"
15 #include "../simix/smx_private.h"
16 #include "../xbt/mmalloc/mmprivate.h"
18 #include "mc_private.h"
19 #include "xbt/automaton.h"
22 XBT_LOG_NEW_CATEGORY(mc, "All MC categories");
23 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_global, mc,
24 "Logging specific to MC (global)");
26 /* Configuration support */
27 e_mc_reduce_t mc_reduce_kind=e_mc_reduce_unset;
29 int _sg_do_model_check = 0;
30 int _sg_mc_checkpoint=0;
31 char* _sg_mc_property_file=NULL;
34 int _sg_mc_max_depth=1000;
36 char *_sg_mc_dot_output_file = NULL;
37 int _sg_mc_comms_determinism=0;
38 int _sg_mc_send_determinism=0;
40 int user_max_depth_reached = 0;
42 void _mc_cfg_cb_reduce(const char *name, int pos) {
43 if (_sg_cfg_init_status && !_sg_do_model_check) {
44 xbt_die("You are specifying a reduction strategy after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
46 char *val= xbt_cfg_get_string(_sg_cfg_set, name);
47 if (!strcasecmp(val,"none")) {
48 mc_reduce_kind = e_mc_reduce_none;
49 } else if (!strcasecmp(val,"dpor")) {
50 mc_reduce_kind = e_mc_reduce_dpor;
52 xbt_die("configuration option %s can only take 'none' or 'dpor' as a value",name);
56 void _mc_cfg_cb_checkpoint(const char *name, int pos) {
57 if (_sg_cfg_init_status && !_sg_do_model_check) {
58 xbt_die("You are specifying a checkpointing value after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
60 _sg_mc_checkpoint = xbt_cfg_get_int(_sg_cfg_set, name);
62 void _mc_cfg_cb_property(const char *name, int pos) {
63 if (_sg_cfg_init_status && !_sg_do_model_check) {
64 xbt_die("You are specifying a property after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
66 _sg_mc_property_file= xbt_cfg_get_string(_sg_cfg_set, name);
69 void _mc_cfg_cb_timeout(const char *name, int pos) {
70 if (_sg_cfg_init_status && !_sg_do_model_check) {
71 xbt_die("You are specifying a value to enable/disable timeout for wait requests after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
73 _sg_mc_timeout= xbt_cfg_get_boolean(_sg_cfg_set, name);
76 void _mc_cfg_cb_hash(const char *name, int pos) {
77 if (_sg_cfg_init_status && !_sg_do_model_check) {
78 xbt_die("You are specifying a value to enable/disable the use of global hash to speedup state comparaison, but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
80 _sg_mc_hash= xbt_cfg_get_boolean(_sg_cfg_set, name);
83 void _mc_cfg_cb_max_depth(const char *name, int pos) {
84 if (_sg_cfg_init_status && !_sg_do_model_check) {
85 xbt_die("You are specifying a max depth value after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
87 _sg_mc_max_depth= xbt_cfg_get_int(_sg_cfg_set, name);
90 void _mc_cfg_cb_visited(const char *name, int pos) {
91 if (_sg_cfg_init_status && !_sg_do_model_check) {
92 xbt_die("You are specifying a number of stored visited states after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
94 _sg_mc_visited= xbt_cfg_get_int(_sg_cfg_set, name);
97 void _mc_cfg_cb_dot_output(const char *name, int pos) {
98 if (_sg_cfg_init_status && !_sg_do_model_check) {
99 xbt_die("You are specifying a file name for a dot output of graph state after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
101 _sg_mc_dot_output_file= xbt_cfg_get_string(_sg_cfg_set, name);
104 void _mc_cfg_cb_comms_determinism(const char *name, int pos) {
105 if (_sg_cfg_init_status && !_sg_do_model_check) {
106 xbt_die("You are specifying a value to enable/disable the detection of determinism in the communications schemes after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
108 _sg_mc_comms_determinism= xbt_cfg_get_boolean(_sg_cfg_set, name);
111 void _mc_cfg_cb_send_determinism(const char *name, int pos) {
112 if (_sg_cfg_init_status && !_sg_do_model_check) {
113 xbt_die("You are specifying a value to enable/disable the detection of send-determinism in the communications schemes after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
115 _sg_mc_send_determinism= xbt_cfg_get_boolean(_sg_cfg_set, name);
118 /* MC global data structures */
119 mc_state_t mc_current_state = NULL;
120 char mc_replay_mode = FALSE;
121 double *mc_time = NULL;
122 __thread mc_comparison_times_t mc_comp_times = NULL;
123 __thread double mc_snapshot_comparison_time;
124 mc_stats_t mc_stats = NULL;
127 xbt_fifo_t mc_stack_safety = NULL;
128 mc_global_t initial_state_safety = NULL;
131 xbt_fifo_t mc_stack_liveness = NULL;
132 mc_global_t initial_state_liveness = NULL;
135 xbt_automaton_t _mc_property_automaton = NULL;
138 mc_object_info_t mc_libsimgrid_info = NULL;
139 mc_object_info_t mc_binary_info = NULL;
141 /* Ignore mechanism */
142 extern xbt_dynar_t mc_heap_comparison_ignore;
143 extern xbt_dynar_t stacks_areas;
146 FILE *dot_output = NULL;
147 const char* colors[13];
150 /******************************* DWARF Information *******************************/
151 /**********************************************************************************/
153 /************************** Free functions *************************/
155 static void dw_location_free(dw_location_t l){
157 if(l->type == e_dw_loclist)
158 xbt_dynar_free(&(l->location.loclist));
159 else if(l->type == e_dw_compose)
160 xbt_dynar_free(&(l->location.compose));
161 else if(l->type == e_dw_arithmetic)
162 xbt_free(l->location.arithmetic);
168 static void dw_location_entry_free(dw_location_entry_t e){
169 dw_location_free(e->location);
173 void dw_type_free(dw_type_t t){
175 xbt_free(t->dw_type_id);
176 xbt_dynar_free(&(t->members));
180 static void dw_type_free_voidp(void *t){
181 dw_type_free((dw_type_t) * (void **) t);
184 void dw_variable_free(dw_variable_t v){
187 xbt_free(v->type_origin);
189 if(v->locations.locations)
190 mc_dwarf_location_list_clear(&v->locations);
195 void dw_variable_free_voidp(void *t){
196 dw_variable_free((dw_variable_t) * (void **) t);
201 mc_object_info_t MC_new_object_info(void) {
202 mc_object_info_t res = xbt_new0(s_mc_object_info_t, 1);
203 res->subprograms = xbt_dynar_new(sizeof(dw_frame_t), NULL);
204 res->global_variables = xbt_dynar_new(sizeof(dw_variable_t), dw_variable_free_voidp);
205 res->types = xbt_dict_new_homogeneous(NULL);
206 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_dynar_free(&(*info)->subprograms);
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;
247 xbt_dynar_foreach(info->subprograms, cursor, frame) {
248 if(frame->low_pc==NULL)
250 s_mc_function_index_item_t entry;
251 entry.low_pc = frame->low_pc;
252 entry.high_pc = frame->high_pc;
253 entry.function = frame;
254 xbt_dynar_push(index, &entry);
257 mc_function_index_item_t base = (mc_function_index_item_t) xbt_dynar_get_ptr(index, 0);
259 // Sort the array by low_pc:
261 xbt_dynar_length(index),
262 sizeof(s_mc_function_index_item_t),
263 (int (*)(const void *, const void *))MC_compare_frame_index_items);
265 info->functions_index = index;
268 mc_object_info_t MC_ip_find_object_info(void* ip) {
269 mc_object_info_t infos[2] = { mc_binary_info, mc_libsimgrid_info };
272 for(i=0; i!=n; ++i) {
273 if(ip >= (void*)infos[i]->start_exec && ip <= (void*)infos[i]->end_exec) {
280 static dw_frame_t MC_find_function_by_ip_and_object(void* ip, mc_object_info_t info) {
281 xbt_dynar_t dynar = info->functions_index;
282 mc_function_index_item_t base = (mc_function_index_item_t) xbt_dynar_get_ptr(dynar, 0);
284 int j = xbt_dynar_length(dynar) - 1;
286 int k = i + ((j-i)/2);
287 if(ip < base[k].low_pc) {
289 } else if(ip > base[k].high_pc) {
292 return base[k].function;
298 dw_frame_t MC_find_function_by_ip(void* ip) {
299 mc_object_info_t info = MC_ip_find_object_info(ip);
303 return MC_find_function_by_ip_and_object(ip, info);
306 static void MC_post_process_variables(mc_object_info_t info) {
308 dw_variable_t variable = NULL;
309 xbt_dynar_foreach(info->global_variables, cursor, variable) {
310 if(variable->type_origin) {
311 variable->type = xbt_dict_get_or_null(info->types, variable->type_origin);
316 static void MC_post_process_functions(mc_object_info_t info) {
318 dw_frame_t function = NULL;
319 xbt_dynar_foreach(info->subprograms, cursor, function) {
320 unsigned cursor2 = 0;
321 dw_variable_t variable = NULL;
322 xbt_dynar_foreach(function->variables, cursor2, variable) {
323 if(variable->type_origin) {
324 variable->type = xbt_dict_get_or_null(info->types, variable->type_origin);
330 /** \brief Finds informations about a given shared object/executable */
331 mc_object_info_t MC_find_object_info(memory_map_t maps, char* name, int executable) {
332 mc_object_info_t result = MC_new_object_info();
334 result->flags |= MC_OBJECT_INFO_EXECUTABLE;
335 result->file_name = xbt_strdup(name);
336 MC_find_object_address(maps, result);
337 MC_dwarf_get_variables(result);
338 MC_post_process_types(result);
339 MC_post_process_variables(result);
340 MC_post_process_functions(result);
341 MC_make_functions_index(result);
345 /*************************************************************************/
347 static dw_location_t MC_dwarf_get_location(xbt_dict_t location_list, char *expr){
349 dw_location_t loc = xbt_new0(s_dw_location_t, 1);
351 if(location_list != NULL){
353 char *key = bprintf("%lu", strtoul(expr, NULL, 16));
354 loc->type = e_dw_loclist;
355 loc->location.loclist = (xbt_dynar_t)xbt_dict_get_or_null(location_list, key);
356 if(loc->location.loclist == NULL)
357 XBT_INFO("Key not found in loclist");
364 char *tok = NULL, *tok2 = NULL;
366 xbt_dynar_t tokens1 = xbt_str_split(expr, ";");
369 loc->type = e_dw_compose;
370 loc->location.compose = xbt_dynar_new(sizeof(dw_location_t), NULL);
372 while(cursor < xbt_dynar_length(tokens1)){
374 tok = xbt_dynar_get_as(tokens1, cursor, char*);
375 tokens2 = xbt_str_split(tok, " ");
376 tok2 = xbt_dynar_get_as(tokens2, 0, char*);
378 if(strncmp(tok2, "DW_OP_reg", 9) == 0){
379 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
380 new_element->type = e_dw_register;
381 new_element->location.reg = atoi(strtok(tok2, "DW_OP_reg"));
382 xbt_dynar_push(loc->location.compose, &new_element);
383 }else if(strcmp(tok2, "DW_OP_fbreg:") == 0){
384 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
385 new_element->type = e_dw_fbregister_op;
386 new_element->location.fbreg_op = 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_breg", 10) == 0){
389 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
390 new_element->type = e_dw_bregister_op;
391 new_element->location.breg_op.reg = atoi(strtok(tok2, "DW_OP_breg"));
392 new_element->location.breg_op.offset = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
393 xbt_dynar_push(loc->location.compose, &new_element);
394 }else if(strncmp(tok2, "DW_OP_lit", 9) == 0){
395 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
396 new_element->type = e_dw_lit;
397 new_element->location.lit = atoi(strtok(tok2, "DW_OP_lit"));
398 xbt_dynar_push(loc->location.compose, &new_element);
399 }else if(strcmp(tok2, "DW_OP_piece:") == 0){
400 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
401 new_element->type = e_dw_piece;
402 new_element->location.piece = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
403 xbt_dynar_push(loc->location.compose, &new_element);
404 }else if(strcmp(tok2, "DW_OP_plus_uconst:") == 0){
405 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
406 new_element->type = e_dw_plus_uconst;
407 new_element->location.plus_uconst = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char *));
408 xbt_dynar_push(loc->location.compose, &new_element);
409 }else if(strcmp(tok, "DW_OP_abs") == 0 ||
410 strcmp(tok, "DW_OP_and") == 0 ||
411 strcmp(tok, "DW_OP_div") == 0 ||
412 strcmp(tok, "DW_OP_minus") == 0 ||
413 strcmp(tok, "DW_OP_mod") == 0 ||
414 strcmp(tok, "DW_OP_mul") == 0 ||
415 strcmp(tok, "DW_OP_neg") == 0 ||
416 strcmp(tok, "DW_OP_not") == 0 ||
417 strcmp(tok, "DW_OP_or") == 0 ||
418 strcmp(tok, "DW_OP_plus") == 0){
419 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
420 new_element->type = e_dw_arithmetic;
421 new_element->location.arithmetic = strdup(strtok(tok2, "DW_OP_"));
422 xbt_dynar_push(loc->location.compose, &new_element);
423 }else if(strcmp(tok, "DW_OP_stack_value") == 0){
424 }else if(strcmp(tok2, "DW_OP_deref_size:") == 0){
425 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
426 new_element->type = e_dw_deref;
427 new_element->location.deref_size = (unsigned int short) atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
428 xbt_dynar_push(loc->location.compose, &new_element);
429 }else if(strcmp(tok, "DW_OP_deref") == 0){
430 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
431 new_element->type = e_dw_deref;
432 new_element->location.deref_size = sizeof(void *);
433 xbt_dynar_push(loc->location.compose, &new_element);
434 }else if(strcmp(tok2, "DW_OP_constu:") == 0){
435 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
436 new_element->type = e_dw_uconstant;
437 new_element->location.uconstant.bytes = 1;
438 new_element->location.uconstant.value = (unsigned 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_consts:") == 0){
441 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
442 new_element->type = e_dw_sconstant;
443 new_element->location.sconstant.bytes = 1;
444 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
445 xbt_dynar_push(loc->location.compose, &new_element);
446 }else if(strcmp(tok2, "DW_OP_const1u:") == 0 ||
447 strcmp(tok2, "DW_OP_const2u:") == 0 ||
448 strcmp(tok2, "DW_OP_const4u:") == 0 ||
449 strcmp(tok2, "DW_OP_const8u:") == 0){
450 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
451 new_element->type = e_dw_uconstant;
452 new_element->location.uconstant.bytes = tok2[11] - '0';
453 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
454 xbt_dynar_push(loc->location.compose, &new_element);
455 }else if(strcmp(tok, "DW_OP_const1s") == 0 ||
456 strcmp(tok, "DW_OP_const2s") == 0 ||
457 strcmp(tok, "DW_OP_const4s") == 0 ||
458 strcmp(tok, "DW_OP_const8s") == 0){
459 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
460 new_element->type = e_dw_sconstant;
461 new_element->location.sconstant.bytes = tok2[11] - '0';
462 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
463 xbt_dynar_push(loc->location.compose, &new_element);
465 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
466 new_element->type = e_dw_unsupported;
467 xbt_dynar_push(loc->location.compose, &new_element);
471 xbt_dynar_free(&tokens2);
475 xbt_dynar_free(&tokens1);
483 /** \brief Finds a frame (DW_TAG_subprogram) from an DWARF offset in the rangd of this subprogram
485 * The offset can be an offset of a child DW_TAG_variable.
487 static dw_frame_t MC_dwarf_get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset){
489 xbt_dict_cursor_t cursor = NULL;
493 xbt_dict_foreach(all_variables, cursor, name, res) {
494 if(offset >= res->start && offset < res->end){
495 xbt_dict_cursor_free(&cursor);
500 xbt_dict_cursor_free(&cursor);
505 static dw_variable_t MC_dwarf_get_variable_by_name(dw_frame_t frame, char *var){
507 unsigned int cursor = 0;
508 dw_variable_t current_var;
510 xbt_dynar_foreach(frame->variables, cursor, current_var){
511 if(strcmp(var, current_var->name) == 0)
518 static int MC_dwarf_get_variable_index(xbt_dynar_t variables, char* var, void *address){
520 if(xbt_dynar_is_empty(variables))
523 unsigned int cursor = 0;
525 int end = xbt_dynar_length(variables) - 1;
526 dw_variable_t var_test = NULL;
529 cursor = (start + end) / 2;
530 var_test = (dw_variable_t)xbt_dynar_get_as(variables, cursor, dw_variable_t);
531 if(strcmp(var_test->name, var) < 0){
533 }else if(strcmp(var_test->name, var) > 0){
536 if(address){ /* global variable */
537 if(var_test->address == address)
539 if(var_test->address > address)
543 }else{ /* local variable */
549 if(strcmp(var_test->name, var) == 0){
550 if(address && var_test->address < address)
554 }else if(strcmp(var_test->name, var) < 0)
561 void MC_dwarf_register_global_variable(mc_object_info_t info, dw_variable_t variable) {
562 int index = MC_dwarf_get_variable_index(info->global_variables, variable->name, variable->address);
564 xbt_dynar_insert_at(info->global_variables, index, &variable);
568 void MC_dwarf_register_non_global_variable(mc_object_info_t info, dw_frame_t frame, dw_variable_t variable) {
569 xbt_assert(frame, "Frame is NULL");
570 int index = MC_dwarf_get_variable_index(frame->variables, variable->name, NULL);
572 xbt_dynar_insert_at(frame->variables, index, &variable);
576 void MC_dwarf_register_variable(mc_object_info_t info, dw_frame_t frame, dw_variable_t variable) {
578 MC_dwarf_register_global_variable(info, variable);
580 xbt_die("No frame for this local variable");
582 MC_dwarf_register_non_global_variable(info, frame, variable);
586 /******************************* Ignore mechanism *******************************/
587 /*********************************************************************************/
589 xbt_dynar_t mc_checkpoint_ignore;
591 typedef struct s_mc_stack_ignore_variable{
594 }s_mc_stack_ignore_variable_t, *mc_stack_ignore_variable_t;
596 /**************************** Free functions ******************************/
598 static void stack_ignore_variable_free(mc_stack_ignore_variable_t v){
599 xbt_free(v->var_name);
604 static void stack_ignore_variable_free_voidp(void *v){
605 stack_ignore_variable_free((mc_stack_ignore_variable_t) * (void **) v);
608 void heap_ignore_region_free(mc_heap_ignore_region_t r){
612 void heap_ignore_region_free_voidp(void *r){
613 heap_ignore_region_free((mc_heap_ignore_region_t) * (void **) r);
616 static void checkpoint_ignore_region_free(mc_checkpoint_ignore_region_t r){
620 static void checkpoint_ignore_region_free_voidp(void *r){
621 checkpoint_ignore_region_free((mc_checkpoint_ignore_region_t) * (void **) r);
624 /***********************************************************************/
626 void MC_ignore_heap(void *address, size_t size){
628 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
632 mc_heap_ignore_region_t region = NULL;
633 region = xbt_new0(s_mc_heap_ignore_region_t, 1);
634 region->address = address;
637 region->block = ((char*)address - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
639 if(((xbt_mheap_t)std_heap)->heapinfo[region->block].type == 0){
640 region->fragment = -1;
641 ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_block.ignore++;
643 region->fragment = ((uintptr_t) (ADDR2UINT (address) % (BLOCKSIZE))) >> ((xbt_mheap_t)std_heap)->heapinfo[region->block].type;
644 ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_frag.ignore[region->fragment]++;
647 if(mc_heap_comparison_ignore == NULL){
648 mc_heap_comparison_ignore = xbt_dynar_new(sizeof(mc_heap_ignore_region_t), heap_ignore_region_free_voidp);
649 xbt_dynar_push(mc_heap_comparison_ignore, ®ion);
655 unsigned int cursor = 0;
656 mc_heap_ignore_region_t current_region = NULL;
658 int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
661 cursor = (start + end) / 2;
662 current_region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
663 if(current_region->address == address){
664 heap_ignore_region_free(region);
668 }else if(current_region->address < address){
675 if(current_region->address < address)
676 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor + 1, ®ion);
678 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor, ®ion);
684 void MC_remove_ignore_heap(void *address, size_t size){
686 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
690 unsigned int cursor = 0;
692 int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
693 mc_heap_ignore_region_t region;
694 int ignore_found = 0;
697 cursor = (start + end) / 2;
698 region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
699 if(region->address == address){
702 }else if(region->address < address){
705 if((char * )region->address <= ((char *)address + size)){
714 if(ignore_found == 1){
715 xbt_dynar_remove_at(mc_heap_comparison_ignore, cursor, NULL);
716 MC_remove_ignore_heap(address, size);
724 void MC_ignore_global_variable(const char *name){
726 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
730 xbt_assert(mc_libsimgrid_info, "MC subsystem not initialized");
732 unsigned int cursor = 0;
733 dw_variable_t current_var;
735 int end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
738 cursor = (start + end) /2;
739 current_var = (dw_variable_t)xbt_dynar_get_as(mc_libsimgrid_info->global_variables, cursor, dw_variable_t);
740 if(strcmp(current_var->name, name) == 0){
741 xbt_dynar_remove_at(mc_libsimgrid_info->global_variables, cursor, NULL);
743 end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
744 }else if(strcmp(current_var->name, name) < 0){
755 static void MC_ignore_local_variable_in_object(const char *var_name, const char *frame_name, mc_object_info_t info) {
760 dw_variable_t current_var;
762 xbt_dynar_foreach(info->subprograms, cursor2, frame) {
764 if(frame_name && strcmp(frame_name, frame->name))
768 end = xbt_dynar_length(frame->variables) - 1;
770 cursor = (start + end) / 2;
771 current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
773 int compare = strcmp(current_var->name, var_name);
775 xbt_dynar_remove_at(frame->variables, cursor, NULL);
777 end = xbt_dynar_length(frame->variables) - 1;
778 }else if(compare < 0){
787 void MC_ignore_local_variable(const char *var_name, const char *frame_name){
789 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
791 if(strcmp(frame_name, "*") == 0)
796 MC_ignore_local_variable_in_object(var_name, frame_name, mc_libsimgrid_info);
798 MC_ignore_local_variable_in_object(var_name, frame_name, mc_binary_info);
805 void MC_new_stack_area(void *stack, char *name, void* context, size_t size){
807 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
811 if(stacks_areas == NULL)
812 stacks_areas = xbt_dynar_new(sizeof(stack_region_t), NULL);
814 stack_region_t region = NULL;
815 region = xbt_new0(s_stack_region_t, 1);
816 region->address = stack;
817 region->process_name = strdup(name);
818 region->context = context;
820 region->block = ((char*)stack - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
821 xbt_dynar_push(stacks_areas, ®ion);
827 void MC_ignore(void *addr, size_t size){
829 int raw_mem_set= (mmalloc_get_current_heap() == raw_heap);
833 if(mc_checkpoint_ignore == NULL)
834 mc_checkpoint_ignore = xbt_dynar_new(sizeof(mc_checkpoint_ignore_region_t), checkpoint_ignore_region_free_voidp);
836 mc_checkpoint_ignore_region_t region = xbt_new0(s_mc_checkpoint_ignore_region_t, 1);
840 if(xbt_dynar_is_empty(mc_checkpoint_ignore)){
841 xbt_dynar_push(mc_checkpoint_ignore, ®ion);
844 unsigned int cursor = 0;
846 int end = xbt_dynar_length(mc_checkpoint_ignore) -1;
847 mc_checkpoint_ignore_region_t current_region = NULL;
850 cursor = (start + end) / 2;
851 current_region = (mc_checkpoint_ignore_region_t)xbt_dynar_get_as(mc_checkpoint_ignore, cursor, mc_checkpoint_ignore_region_t);
852 if(current_region->addr == addr){
853 if(current_region->size == size){
854 checkpoint_ignore_region_free(region);
858 }else if(current_region->size < size){
863 }else if(current_region->addr < addr){
870 if(current_region->addr == addr){
871 if(current_region->size < size){
872 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
874 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
876 }else if(current_region->addr < addr){
877 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
879 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
887 /******************************* Initialisation of MC *******************************/
888 /*********************************************************************************/
890 static void MC_post_process_object_info(mc_object_info_t info) {
891 mc_object_info_t other_info = info == mc_binary_info ? mc_libsimgrid_info : mc_binary_info;
892 xbt_dict_cursor_t cursor = NULL;
894 dw_type_t type = NULL;
895 xbt_dict_foreach(info->types, cursor, key, type){
896 if(type->name && type->byte_size == 0) {
897 type->other_object_same_type = xbt_dict_get_or_null(other_info->types_by_name, type->name);
902 static void MC_init_debug_info(void) {
903 XBT_INFO("Get debug information ...");
905 memory_map_t maps = MC_get_memory_map();
907 /* Get local variables for state equality detection */
908 mc_binary_info = MC_find_object_info(maps, xbt_binary_name, 1);
909 mc_libsimgrid_info = MC_find_object_info(maps, libsimgrid_path, 0);
911 // Use information of the other objects:
912 MC_post_process_object_info(mc_binary_info);
913 MC_post_process_object_info(mc_libsimgrid_info);
915 MC_free_memory_map(maps);
916 XBT_INFO("Get debug information done !");
921 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
925 /* Initialize the data structures that must be persistent across every
926 iteration of the model-checker (in RAW memory) */
930 MC_init_memory_map_info();
931 MC_init_debug_info();
934 parmap = xbt_parmap_mc_new(xbt_os_get_numcores(), XBT_PARMAP_DEFAULT);
938 /* Ignore some variables from xbt/ex.h used by exception e for stacks comparison */
939 MC_ignore_local_variable("e", "*");
940 MC_ignore_local_variable("__ex_cleanup", "*");
941 MC_ignore_local_variable("__ex_mctx_en", "*");
942 MC_ignore_local_variable("__ex_mctx_me", "*");
943 MC_ignore_local_variable("__xbt_ex_ctx_ptr", "*");
944 MC_ignore_local_variable("_log_ev", "*");
945 MC_ignore_local_variable("_throw_ctx", "*");
946 MC_ignore_local_variable("ctx", "*");
948 MC_ignore_local_variable("self", "simcall_BODY_mc_snapshot");
949 MC_ignore_local_variable("next_context", "smx_ctx_sysv_suspend_serial");
950 MC_ignore_local_variable("i", "smx_ctx_sysv_suspend_serial");
952 /* Ignore local variable about time used for tracing */
953 MC_ignore_local_variable("start_time", "*");
955 MC_ignore_global_variable("compared_pointers");
956 MC_ignore_global_variable("mc_comp_times");
957 MC_ignore_global_variable("mc_snapshot_comparison_time");
958 MC_ignore_global_variable("mc_time");
959 MC_ignore_global_variable("smpi_current_rank");
960 MC_ignore_global_variable("counter"); /* Static variable used for tracing */
961 MC_ignore_global_variable("maestro_stack_start");
962 MC_ignore_global_variable("maestro_stack_end");
963 MC_ignore_global_variable("smx_total_comms");
965 MC_ignore_heap(&(simix_global->process_to_run), sizeof(simix_global->process_to_run));
966 MC_ignore_heap(&(simix_global->process_that_ran), sizeof(simix_global->process_that_ran));
967 MC_ignore_heap(simix_global->process_to_run, sizeof(*(simix_global->process_to_run)));
968 MC_ignore_heap(simix_global->process_that_ran, sizeof(*(simix_global->process_that_ran)));
970 smx_process_t process;
971 xbt_swag_foreach(process, simix_global->process_list){
972 MC_ignore_heap(&(process->process_hookup), sizeof(process->process_hookup));
980 static void MC_init_dot_output(){ /* FIXME : more colors */
984 colors[2] = "green3";
985 colors[3] = "goldenrod";
987 colors[5] = "purple";
988 colors[6] = "magenta";
989 colors[7] = "turquoise4";
990 colors[8] = "gray25";
991 colors[9] = "forestgreen";
992 colors[10] = "hotpink";
993 colors[11] = "lightblue";
996 dot_output = fopen(_sg_mc_dot_output_file, "w");
998 if(dot_output == NULL){
999 perror("Error open dot output file");
1003 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");
1007 /******************************* Core of MC *******************************/
1008 /**************************************************************************/
1010 void MC_do_the_modelcheck_for_real() {
1013 mc_comp_times = xbt_new0(s_mc_comparison_times_t, 1);
1016 if (!_sg_mc_property_file || _sg_mc_property_file[0]=='\0') {
1017 if (mc_reduce_kind==e_mc_reduce_unset)
1018 mc_reduce_kind=e_mc_reduce_dpor;
1020 XBT_INFO("Check a safety property");
1021 MC_modelcheck_safety();
1025 if (mc_reduce_kind==e_mc_reduce_unset)
1026 mc_reduce_kind=e_mc_reduce_none;
1028 XBT_INFO("Check the liveness property %s",_sg_mc_property_file);
1029 MC_automaton_load(_sg_mc_property_file);
1030 MC_modelcheck_liveness();
1034 void MC_modelcheck_safety(void)
1036 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1038 /* Check if MC is already initialized */
1039 if (initial_state_safety)
1042 mc_time = xbt_new0(double, simix_process_maxpid);
1044 /* mc_time refers to clock for each process -> ignore it for heap comparison */
1045 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
1047 /* Initialize the data structures that must be persistent across every
1048 iteration of the model-checker (in RAW memory) */
1052 /* Initialize statistics */
1053 mc_stats = xbt_new0(s_mc_stats_t, 1);
1054 mc_stats->state_size = 1;
1056 /* Create exploration stack */
1057 mc_stack_safety = xbt_fifo_new();
1059 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
1060 MC_init_dot_output();
1064 if(_sg_mc_visited > 0){
1068 MC_init_memory_map_info();
1069 MC_init_debug_info();
1076 /* Save the initial state */
1077 initial_state_safety = xbt_new0(s_mc_global_t, 1);
1078 initial_state_safety->snapshot = MC_take_snapshot(0);
1079 initial_state_safety->initial_communications_pattern_done = 0;
1080 initial_state_safety->comm_deterministic = 1;
1081 initial_state_safety->send_deterministic = 1;
1093 void MC_modelcheck_liveness(){
1095 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1099 mc_time = xbt_new0(double, simix_process_maxpid);
1101 /* mc_time refers to clock for each process -> ignore it for heap comparison */
1102 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
1106 /* Initialize statistics */
1107 mc_stats = xbt_new0(s_mc_stats_t, 1);
1108 mc_stats->state_size = 1;
1110 /* Create exploration stack */
1111 mc_stack_liveness = xbt_fifo_new();
1113 /* Create the initial state */
1114 initial_state_liveness = xbt_new0(s_mc_global_t, 1);
1116 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
1117 MC_init_dot_output();
1124 MC_print_statistics(mc_stats);
1141 int SIMIX_pre_mc_random(smx_simcall_t simcall, int min, int max){
1143 return simcall->mc_value;
1147 int MC_random(int min, int max)
1149 /*FIXME: return mc_current_state->executed_transition->random.value;*/
1150 return simcall_mc_random(min, max);
1154 * \brief Schedules all the process that are ready to run
1156 void MC_wait_for_requests(void)
1158 smx_process_t process;
1162 while (!xbt_dynar_is_empty(simix_global->process_to_run)) {
1163 SIMIX_process_runall();
1164 xbt_dynar_foreach(simix_global->process_that_ran, iter, process) {
1165 req = &process->simcall;
1166 if (req->call != SIMCALL_NONE && !MC_request_is_visible(req))
1167 SIMIX_simcall_pre(req, 0);
1172 int MC_deadlock_check()
1174 int deadlock = FALSE;
1175 smx_process_t process;
1176 if(xbt_swag_size(simix_global->process_list)){
1178 xbt_swag_foreach(process, simix_global->process_list){
1179 if(process->simcall.call != SIMCALL_NONE
1180 && MC_request_is_enabled(&process->simcall)){
1190 * \brief Re-executes from the state at position start all the transitions indicated by
1191 * a given model-checker stack.
1192 * \param stack The stack with the transitions to execute.
1193 * \param start Start index to begin the re-execution.
1195 void MC_replay(xbt_fifo_t stack, int start)
1197 int raw_mem = (mmalloc_get_current_heap() == raw_heap);
1199 int value, i = 1, count = 1;
1201 smx_simcall_t req = NULL, saved_req = NULL;
1202 xbt_fifo_item_t item, start_item;
1204 smx_process_t process = NULL;
1205 int comm_pattern = 0;
1207 XBT_DEBUG("**** Begin Replay ****");
1210 /* Restore the initial state */
1211 MC_restore_snapshot(initial_state_safety->snapshot);
1212 /* At the moment of taking the snapshot the raw heap was set, so restoring
1213 * it will set it back again, we have to unset it to continue */
1217 start_item = xbt_fifo_get_last_item(stack);
1220 start_item = xbt_fifo_get_prev_item(start_item);
1226 xbt_dict_reset(first_enabled_state);
1227 xbt_swag_foreach(process, simix_global->process_list){
1228 if(MC_process_is_enabled(process)){
1229 char *key = bprintf("%lu", process->pid);
1230 char *data = bprintf("%d", count);
1231 xbt_dict_set(first_enabled_state, key, data, NULL);
1235 if(_sg_mc_comms_determinism || _sg_mc_send_determinism)
1236 xbt_dynar_reset(communications_pattern);
1240 /* Traverse the stack from the state at position start and re-execute the transitions */
1241 for (item = start_item;
1242 item != xbt_fifo_get_first_item(stack);
1243 item = xbt_fifo_get_prev_item(item)) {
1245 state = (mc_state_t) xbt_fifo_get_item_content(item);
1246 saved_req = MC_state_get_executed_request(state, &value);
1249 char *key = bprintf("%lu", saved_req->issuer->pid);
1250 xbt_dict_remove(first_enabled_state, key);
1255 /* because we got a copy of the executed request, we have to fetch the
1256 real one, pointed by the request field of the issuer process */
1257 req = &saved_req->issuer->simcall;
1259 /* Debug information */
1260 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
1261 req_str = MC_request_to_string(req, value);
1262 XBT_DEBUG("Replay: %s (%p)", req_str, state);
1267 if(_sg_mc_comms_determinism || _sg_mc_send_determinism){
1268 if(req->call == SIMCALL_COMM_ISEND)
1270 else if(req->call == SIMCALL_COMM_IRECV)
1274 SIMIX_simcall_pre(req, value);
1276 if(_sg_mc_comms_determinism || _sg_mc_send_determinism){
1278 if(comm_pattern != 0){
1279 get_comm_pattern(communications_pattern, req, comm_pattern);
1285 MC_wait_for_requests();
1290 /* Insert in dict all enabled processes */
1291 xbt_swag_foreach(process, simix_global->process_list){
1292 if(MC_process_is_enabled(process) /*&& !MC_state_process_is_done(state, process)*/){
1293 char *key = bprintf("%lu", process->pid);
1294 if(xbt_dict_get_or_null(first_enabled_state, key) == NULL){
1295 char *data = bprintf("%d", count);
1296 xbt_dict_set(first_enabled_state, key, data, NULL);
1303 /* Update statistics */
1304 mc_stats->visited_states++;
1305 mc_stats->executed_transitions++;
1309 XBT_DEBUG("**** End Replay ****");
1319 void MC_replay_liveness(xbt_fifo_t stack, int all_stack)
1322 initial_state_liveness->raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1326 smx_simcall_t req = NULL, saved_req = NULL;
1327 xbt_fifo_item_t item;
1332 XBT_DEBUG("**** Begin Replay ****");
1334 /* Restore the initial state */
1335 MC_restore_snapshot(initial_state_liveness->snapshot);
1337 /* At the moment of taking the snapshot the raw heap was set, so restoring
1338 * it will set it back again, we have to unset it to continue */
1339 if(!initial_state_liveness->raw_mem_set)
1344 item = xbt_fifo_get_last_item(stack);
1346 while(depth <= xbt_fifo_size(stack)){
1348 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
1349 state = (mc_state_t) pair->graph_state;
1351 if(pair->requests > 0){
1353 saved_req = MC_state_get_executed_request(state, &value);
1354 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
1356 if(saved_req != NULL){
1357 /* because we got a copy of the executed request, we have to fetch the
1358 real one, pointed by the request field of the issuer process */
1359 req = &saved_req->issuer->simcall;
1360 //XBT_DEBUG("Req->call %u", req->call);
1362 /* Debug information */
1363 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
1364 req_str = MC_request_to_string(req, value);
1365 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
1371 SIMIX_simcall_pre(req, value);
1372 MC_wait_for_requests();
1377 /* Update statistics */
1378 mc_stats->visited_pairs++;
1379 mc_stats->executed_transitions++;
1381 item = xbt_fifo_get_prev_item(item);
1386 /* Traverse the stack from the initial state and re-execute the transitions */
1387 for (item = xbt_fifo_get_last_item(stack);
1388 item != xbt_fifo_get_first_item(stack);
1389 item = xbt_fifo_get_prev_item(item)) {
1391 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
1392 state = (mc_state_t) pair->graph_state;
1394 if(pair->requests > 0){
1396 saved_req = MC_state_get_executed_request(state, &value);
1397 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
1399 if(saved_req != NULL){
1400 /* because we got a copy of the executed request, we have to fetch the
1401 real one, pointed by the request field of the issuer process */
1402 req = &saved_req->issuer->simcall;
1403 //XBT_DEBUG("Req->call %u", req->call);
1405 /* Debug information */
1406 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
1407 req_str = MC_request_to_string(req, value);
1408 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
1414 SIMIX_simcall_pre(req, value);
1415 MC_wait_for_requests();
1420 /* Update statistics */
1421 mc_stats->visited_pairs++;
1422 mc_stats->executed_transitions++;
1426 XBT_DEBUG("**** End Replay ****");
1428 if(initial_state_liveness->raw_mem_set)
1436 * \brief Dumps the contents of a model-checker's stack and shows the actual
1438 * \param stack The stack to dump
1440 void MC_dump_stack_safety(xbt_fifo_t stack)
1443 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1445 MC_show_stack_safety(stack);
1447 if(!_sg_mc_checkpoint){
1452 while ((state = (mc_state_t) xbt_fifo_pop(stack)) != NULL)
1453 MC_state_delete(state);
1466 void MC_show_stack_safety(xbt_fifo_t stack)
1469 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1475 xbt_fifo_item_t item;
1477 char *req_str = NULL;
1479 for (item = xbt_fifo_get_last_item(stack);
1480 (item ? (state = (mc_state_t) (xbt_fifo_get_item_content(item)))
1481 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
1482 req = MC_state_get_executed_request(state, &value);
1484 req_str = MC_request_to_string(req, value);
1485 XBT_INFO("%s", req_str);
1494 void MC_show_deadlock(smx_simcall_t req)
1496 /*char *req_str = NULL;*/
1497 XBT_INFO("**************************");
1498 XBT_INFO("*** DEAD-LOCK DETECTED ***");
1499 XBT_INFO("**************************");
1500 XBT_INFO("Locked request:");
1501 /*req_str = MC_request_to_string(req);
1502 XBT_INFO("%s", req_str);
1503 xbt_free(req_str);*/
1504 XBT_INFO("Counter-example execution trace:");
1505 MC_dump_stack_safety(mc_stack_safety);
1506 MC_print_statistics(mc_stats);
1510 void MC_show_stack_liveness(xbt_fifo_t stack){
1513 xbt_fifo_item_t item;
1515 char *req_str = NULL;
1517 for (item = xbt_fifo_get_last_item(stack);
1518 (item ? (pair = (mc_pair_t) (xbt_fifo_get_item_content(item)))
1519 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
1520 req = MC_state_get_executed_request(pair->graph_state, &value);
1522 if(pair->requests>0){
1523 req_str = MC_request_to_string(req, value);
1524 XBT_INFO("%s", req_str);
1527 XBT_INFO("End of system requests but evolution in Büchi automaton");
1533 void MC_dump_stack_liveness(xbt_fifo_t stack){
1535 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1540 while ((pair = (mc_pair_t) xbt_fifo_pop(stack)) != NULL)
1541 MC_pair_delete(pair);
1550 void MC_print_statistics(mc_stats_t stats)
1552 if(stats->expanded_pairs == 0){
1553 XBT_INFO("Expanded states = %lu", stats->expanded_states);
1554 XBT_INFO("Visited states = %lu", stats->visited_states);
1556 XBT_INFO("Expanded pairs = %lu", stats->expanded_pairs);
1557 XBT_INFO("Visited pairs = %lu", stats->visited_pairs);
1559 XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
1561 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0')){
1562 fprintf(dot_output, "}\n");
1565 if(initial_state_safety != NULL){
1566 if(_sg_mc_comms_determinism)
1567 XBT_INFO("Communication-deterministic : %s", !initial_state_safety->comm_deterministic ? "No" : "Yes");
1568 if (_sg_mc_send_determinism)
1569 XBT_INFO("Send-deterministic : %s", !initial_state_safety->send_deterministic ? "No" : "Yes");
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);