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;
33 int _sg_mc_max_depth=1000;
35 char *_sg_mc_dot_output_file = NULL;
36 int _sg_mc_comms_determinism=0;
38 int user_max_depth_reached = 0;
40 void _mc_cfg_cb_reduce(const char *name, int pos) {
41 if (_sg_cfg_init_status && !_sg_do_model_check) {
42 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.");
44 char *val= xbt_cfg_get_string(_sg_cfg_set, name);
45 if (!strcasecmp(val,"none")) {
46 mc_reduce_kind = e_mc_reduce_none;
47 } else if (!strcasecmp(val,"dpor")) {
48 mc_reduce_kind = e_mc_reduce_dpor;
50 xbt_die("configuration option %s can only take 'none' or 'dpor' as a value",name);
54 void _mc_cfg_cb_checkpoint(const char *name, int pos) {
55 if (_sg_cfg_init_status && !_sg_do_model_check) {
56 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.");
58 _sg_mc_checkpoint = xbt_cfg_get_int(_sg_cfg_set, name);
60 void _mc_cfg_cb_property(const char *name, int pos) {
61 if (_sg_cfg_init_status && !_sg_do_model_check) {
62 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.");
64 _sg_mc_property_file= xbt_cfg_get_string(_sg_cfg_set, name);
67 void _mc_cfg_cb_timeout(const char *name, int pos) {
68 if (_sg_cfg_init_status && !_sg_do_model_check) {
69 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.");
71 _sg_mc_timeout= xbt_cfg_get_boolean(_sg_cfg_set, name);
74 void _mc_cfg_cb_max_depth(const char *name, int pos) {
75 if (_sg_cfg_init_status && !_sg_do_model_check) {
76 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.");
78 _sg_mc_max_depth= xbt_cfg_get_int(_sg_cfg_set, name);
81 void _mc_cfg_cb_visited(const char *name, int pos) {
82 if (_sg_cfg_init_status && !_sg_do_model_check) {
83 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.");
85 _sg_mc_visited= xbt_cfg_get_int(_sg_cfg_set, name);
88 void _mc_cfg_cb_dot_output(const char *name, int pos) {
89 if (_sg_cfg_init_status && !_sg_do_model_check) {
90 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.");
92 _sg_mc_dot_output_file= xbt_cfg_get_string(_sg_cfg_set, name);
95 void _mc_cfg_cb_comms_determinism(const char *name, int pos) {
96 if (_sg_cfg_init_status && !_sg_do_model_check) {
97 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.");
99 _sg_mc_comms_determinism= xbt_cfg_get_boolean(_sg_cfg_set, name);
102 /* MC global data structures */
103 mc_state_t mc_current_state = NULL;
104 char mc_replay_mode = FALSE;
105 double *mc_time = NULL;
106 __thread mc_comparison_times_t mc_comp_times = NULL;
107 __thread double mc_snapshot_comparison_time;
108 mc_stats_t mc_stats = NULL;
111 xbt_fifo_t mc_stack_safety = NULL;
112 mc_global_t initial_state_safety = NULL;
115 xbt_fifo_t mc_stack_liveness = NULL;
116 mc_global_t initial_state_liveness = NULL;
119 xbt_automaton_t _mc_property_automaton = NULL;
122 mc_object_info_t mc_libsimgrid_info = NULL;
123 mc_object_info_t mc_binary_info = NULL;
125 /* Ignore mechanism */
126 xbt_dynar_t mc_stack_comparison_ignore;
127 xbt_dynar_t mc_data_bss_comparison_ignore;
128 extern xbt_dynar_t mc_heap_comparison_ignore;
129 extern xbt_dynar_t stacks_areas;
132 FILE *dot_output = NULL;
133 const char* colors[13];
136 /******************************* DWARF Information *******************************/
137 /**********************************************************************************/
139 /************************** Free functions *************************/
141 static void dw_location_free(dw_location_t l){
143 if(l->type == e_dw_loclist)
144 xbt_dynar_free(&(l->location.loclist));
145 else if(l->type == e_dw_compose)
146 xbt_dynar_free(&(l->location.compose));
147 else if(l->type == e_dw_arithmetic)
148 xbt_free(l->location.arithmetic);
154 static void dw_location_entry_free(dw_location_entry_t e){
155 dw_location_free(e->location);
159 void dw_type_free(dw_type_t t){
161 xbt_free(t->dw_type_id);
162 xbt_dynar_free(&(t->members));
166 static void dw_type_free_voidp(void *t){
167 dw_type_free((dw_type_t) * (void **) t);
170 void dw_variable_free(dw_variable_t v){
173 xbt_free(v->type_origin);
175 dw_location_free(v->location);
180 void dw_variable_free_voidp(void *t){
181 dw_variable_free((dw_variable_t) * (void **) t);
186 mc_object_info_t MC_new_object_info(void) {
187 mc_object_info_t res = xbt_new0(s_mc_object_info_t, 1);
188 res->local_variables = xbt_dict_new_homogeneous(NULL);
189 res->global_variables = xbt_dynar_new(sizeof(dw_variable_t), dw_variable_free_voidp);
190 res->types = xbt_dict_new_homogeneous(NULL);
194 void MC_free_object_info(mc_object_info_t* info) {
195 xbt_free(&(*info)->file_name);
196 xbt_dict_free(&(*info)->local_variables);
197 xbt_dynar_free(&(*info)->global_variables);
198 xbt_dict_free(&(*info)->types);
203 /*************************************************************************/
205 static dw_location_t MC_dwarf_get_location(xbt_dict_t location_list, char *expr){
207 dw_location_t loc = xbt_new0(s_dw_location_t, 1);
209 if(location_list != NULL){
211 char *key = bprintf("%d", (int)strtoul(expr, NULL, 16));
212 loc->type = e_dw_loclist;
213 loc->location.loclist = (xbt_dynar_t)xbt_dict_get_or_null(location_list, key);
214 if(loc->location.loclist == NULL)
215 XBT_INFO("Key not found in loclist");
222 char *tok = NULL, *tok2 = NULL;
224 xbt_dynar_t tokens1 = xbt_str_split(expr, ";");
227 loc->type = e_dw_compose;
228 loc->location.compose = xbt_dynar_new(sizeof(dw_location_t), NULL);
230 while(cursor < xbt_dynar_length(tokens1)){
232 tok = xbt_dynar_get_as(tokens1, cursor, char*);
233 tokens2 = xbt_str_split(tok, " ");
234 tok2 = xbt_dynar_get_as(tokens2, 0, char*);
236 if(strncmp(tok2, "DW_OP_reg", 9) == 0){
237 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
238 new_element->type = e_dw_register;
239 new_element->location.reg = atoi(strtok(tok2, "DW_OP_reg"));
240 xbt_dynar_push(loc->location.compose, &new_element);
241 }else if(strcmp(tok2, "DW_OP_fbreg:") == 0){
242 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
243 new_element->type = e_dw_fbregister_op;
244 new_element->location.fbreg_op = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
245 xbt_dynar_push(loc->location.compose, &new_element);
246 }else if(strncmp(tok2, "DW_OP_breg", 10) == 0){
247 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
248 new_element->type = e_dw_bregister_op;
249 new_element->location.breg_op.reg = atoi(strtok(tok2, "DW_OP_breg"));
250 new_element->location.breg_op.offset = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
251 xbt_dynar_push(loc->location.compose, &new_element);
252 }else if(strncmp(tok2, "DW_OP_lit", 9) == 0){
253 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
254 new_element->type = e_dw_lit;
255 new_element->location.lit = atoi(strtok(tok2, "DW_OP_lit"));
256 xbt_dynar_push(loc->location.compose, &new_element);
257 }else if(strcmp(tok2, "DW_OP_piece:") == 0){
258 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
259 new_element->type = e_dw_piece;
260 new_element->location.piece = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
261 xbt_dynar_push(loc->location.compose, &new_element);
262 }else if(strcmp(tok2, "DW_OP_plus_uconst:") == 0){
263 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
264 new_element->type = e_dw_plus_uconst;
265 new_element->location.plus_uconst = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char *));
266 xbt_dynar_push(loc->location.compose, &new_element);
267 }else if(strcmp(tok, "DW_OP_abs") == 0 ||
268 strcmp(tok, "DW_OP_and") == 0 ||
269 strcmp(tok, "DW_OP_div") == 0 ||
270 strcmp(tok, "DW_OP_minus") == 0 ||
271 strcmp(tok, "DW_OP_mod") == 0 ||
272 strcmp(tok, "DW_OP_mul") == 0 ||
273 strcmp(tok, "DW_OP_neg") == 0 ||
274 strcmp(tok, "DW_OP_not") == 0 ||
275 strcmp(tok, "DW_OP_or") == 0 ||
276 strcmp(tok, "DW_OP_plus") == 0){
277 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
278 new_element->type = e_dw_arithmetic;
279 new_element->location.arithmetic = strdup(strtok(tok2, "DW_OP_"));
280 xbt_dynar_push(loc->location.compose, &new_element);
281 }else if(strcmp(tok, "DW_OP_stack_value") == 0){
282 }else if(strcmp(tok2, "DW_OP_deref_size:") == 0){
283 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
284 new_element->type = e_dw_deref;
285 new_element->location.deref_size = (unsigned int short) atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
286 xbt_dynar_push(loc->location.compose, &new_element);
287 }else if(strcmp(tok, "DW_OP_deref") == 0){
288 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
289 new_element->type = e_dw_deref;
290 new_element->location.deref_size = sizeof(void *);
291 xbt_dynar_push(loc->location.compose, &new_element);
292 }else if(strcmp(tok2, "DW_OP_constu:") == 0){
293 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
294 new_element->type = e_dw_uconstant;
295 new_element->location.uconstant.bytes = 1;
296 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
297 xbt_dynar_push(loc->location.compose, &new_element);
298 }else if(strcmp(tok2, "DW_OP_consts:") == 0){
299 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
300 new_element->type = e_dw_sconstant;
301 new_element->location.sconstant.bytes = 1;
302 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
303 xbt_dynar_push(loc->location.compose, &new_element);
304 }else if(strcmp(tok2, "DW_OP_const1u:") == 0 ||
305 strcmp(tok2, "DW_OP_const2u:") == 0 ||
306 strcmp(tok2, "DW_OP_const4u:") == 0 ||
307 strcmp(tok2, "DW_OP_const8u:") == 0){
308 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
309 new_element->type = e_dw_uconstant;
310 new_element->location.uconstant.bytes = tok2[11] - '0';
311 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
312 xbt_dynar_push(loc->location.compose, &new_element);
313 }else if(strcmp(tok, "DW_OP_const1s") == 0 ||
314 strcmp(tok, "DW_OP_const2s") == 0 ||
315 strcmp(tok, "DW_OP_const4s") == 0 ||
316 strcmp(tok, "DW_OP_const8s") == 0){
317 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
318 new_element->type = e_dw_sconstant;
319 new_element->location.sconstant.bytes = tok2[11] - '0';
320 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
321 xbt_dynar_push(loc->location.compose, &new_element);
323 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
324 new_element->type = e_dw_unsupported;
325 xbt_dynar_push(loc->location.compose, &new_element);
329 xbt_dynar_free(&tokens2);
333 xbt_dynar_free(&tokens1);
342 /** \brief Finds a frame (DW_TAG_subprogram) from an DWARF offset in the rangd of this subprogram
344 * The offset can be an offset of a child DW_TAG_variable.
346 static dw_frame_t MC_dwarf_get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset){
348 xbt_dict_cursor_t cursor = NULL;
352 xbt_dict_foreach(all_variables, cursor, name, res) {
353 if(offset >= res->start && offset < res->end){
354 xbt_dict_cursor_free(&cursor);
359 xbt_dict_cursor_free(&cursor);
364 static dw_variable_t MC_dwarf_get_variable_by_name(dw_frame_t frame, char *var){
366 unsigned int cursor = 0;
367 dw_variable_t current_var;
369 xbt_dynar_foreach(frame->variables, cursor, current_var){
370 if(strcmp(var, current_var->name) == 0)
377 static int MC_dwarf_get_variable_index(xbt_dynar_t variables, char* var, void *address){
379 if(xbt_dynar_is_empty(variables))
382 unsigned int cursor = 0;
384 int end = xbt_dynar_length(variables) - 1;
385 dw_variable_t var_test = NULL;
388 cursor = (start + end) / 2;
389 var_test = (dw_variable_t)xbt_dynar_get_as(variables, cursor, dw_variable_t);
390 if(strcmp(var_test->name, var) < 0){
392 }else if(strcmp(var_test->name, var) > 0){
395 if(address){ /* global variable */
396 if(var_test->address == address)
398 if(var_test->address > address)
402 }else{ /* local variable */
408 if(strcmp(var_test->name, var) == 0){
409 if(address && var_test->address < address)
413 }else if(strcmp(var_test->name, var) < 0)
420 void MC_dwarf_register_global_variable(mc_object_info_t info, dw_variable_t variable) {
421 int index = MC_dwarf_get_variable_index(info->global_variables, variable->name, variable->address);
423 xbt_dynar_insert_at(info->global_variables, index, &variable);
427 void MC_dwarf_register_non_global_variable(mc_object_info_t info, dw_frame_t frame, dw_variable_t variable) {
428 xbt_assert(frame, "Frame is NULL");
429 int index = MC_dwarf_get_variable_index(frame->variables, variable->name, NULL);
431 xbt_dynar_insert_at(frame->variables, index, &variable);
435 void MC_dwarf_register_variable(mc_object_info_t info, dw_frame_t frame, dw_variable_t variable) {
437 MC_dwarf_register_global_variable(info, variable);
439 xbt_die("No frame for this local variable");
441 MC_dwarf_register_non_global_variable(info, frame, variable);
444 /******************************* Ignore mechanism *******************************/
445 /*********************************************************************************/
447 xbt_dynar_t mc_checkpoint_ignore;
449 typedef struct s_mc_stack_ignore_variable{
452 }s_mc_stack_ignore_variable_t, *mc_stack_ignore_variable_t;
454 typedef struct s_mc_data_bss_ignore_variable{
456 }s_mc_data_bss_ignore_variable_t, *mc_data_bss_ignore_variable_t;
458 /**************************** Free functions ******************************/
460 static void stack_ignore_variable_free(mc_stack_ignore_variable_t v){
461 xbt_free(v->var_name);
466 static void stack_ignore_variable_free_voidp(void *v){
467 stack_ignore_variable_free((mc_stack_ignore_variable_t) * (void **) v);
470 void heap_ignore_region_free(mc_heap_ignore_region_t r){
474 void heap_ignore_region_free_voidp(void *r){
475 heap_ignore_region_free((mc_heap_ignore_region_t) * (void **) r);
478 static void data_bss_ignore_variable_free(mc_data_bss_ignore_variable_t v){
483 static void data_bss_ignore_variable_free_voidp(void *v){
484 data_bss_ignore_variable_free((mc_data_bss_ignore_variable_t) * (void **) v);
487 static void checkpoint_ignore_region_free(mc_checkpoint_ignore_region_t r){
491 static void checkpoint_ignore_region_free_voidp(void *r){
492 checkpoint_ignore_region_free((mc_checkpoint_ignore_region_t) * (void **) r);
495 /***********************************************************************/
497 void MC_ignore_heap(void *address, size_t size){
499 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
503 mc_heap_ignore_region_t region = NULL;
504 region = xbt_new0(s_mc_heap_ignore_region_t, 1);
505 region->address = address;
508 region->block = ((char*)address - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
510 if(((xbt_mheap_t)std_heap)->heapinfo[region->block].type == 0){
511 region->fragment = -1;
512 ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_block.ignore++;
514 region->fragment = ((uintptr_t) (ADDR2UINT (address) % (BLOCKSIZE))) >> ((xbt_mheap_t)std_heap)->heapinfo[region->block].type;
515 ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_frag.ignore[region->fragment]++;
518 if(mc_heap_comparison_ignore == NULL){
519 mc_heap_comparison_ignore = xbt_dynar_new(sizeof(mc_heap_ignore_region_t), heap_ignore_region_free_voidp);
520 xbt_dynar_push(mc_heap_comparison_ignore, ®ion);
526 unsigned int cursor = 0;
527 mc_heap_ignore_region_t current_region = NULL;
529 int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
532 cursor = (start + end) / 2;
533 current_region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
534 if(current_region->address == address){
535 heap_ignore_region_free(region);
539 }else if(current_region->address < address){
546 if(current_region->address < address)
547 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor + 1, ®ion);
549 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor, ®ion);
555 void MC_remove_ignore_heap(void *address, size_t size){
557 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
561 unsigned int cursor = 0;
563 int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
564 mc_heap_ignore_region_t region;
565 int ignore_found = 0;
568 cursor = (start + end) / 2;
569 region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
570 if(region->address == address){
573 }else if(region->address < address){
576 if((char * )region->address <= ((char *)address + size)){
585 if(ignore_found == 1){
586 xbt_dynar_remove_at(mc_heap_comparison_ignore, cursor, NULL);
587 MC_remove_ignore_heap(address, size);
595 void MC_ignore_global_variable(const char *name){
597 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
601 if(mc_libsimgrid_info){
603 unsigned int cursor = 0;
604 dw_variable_t current_var;
606 int end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
609 cursor = (start + end) /2;
610 current_var = (dw_variable_t)xbt_dynar_get_as(mc_libsimgrid_info->global_variables, cursor, dw_variable_t);
611 if(strcmp(current_var->name, name) == 0){
612 xbt_dynar_remove_at(mc_libsimgrid_info->global_variables, cursor, NULL);
614 end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
615 }else if(strcmp(current_var->name, name) < 0){
624 if(mc_data_bss_comparison_ignore == NULL)
625 mc_data_bss_comparison_ignore = xbt_dynar_new(sizeof(mc_data_bss_ignore_variable_t), data_bss_ignore_variable_free_voidp);
627 mc_data_bss_ignore_variable_t var = NULL;
628 var = xbt_new0(s_mc_data_bss_ignore_variable_t, 1);
629 var->name = strdup(name);
631 if(xbt_dynar_is_empty(mc_data_bss_comparison_ignore)){
633 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, 0, &var);
637 unsigned int cursor = 0;
639 int end = xbt_dynar_length(mc_data_bss_comparison_ignore) - 1;
640 mc_data_bss_ignore_variable_t current_var = NULL;
643 cursor = (start + end) / 2;
644 current_var = (mc_data_bss_ignore_variable_t)xbt_dynar_get_as(mc_data_bss_comparison_ignore, cursor, mc_data_bss_ignore_variable_t);
645 if(strcmp(current_var->name, name) == 0){
646 data_bss_ignore_variable_free(var);
650 }else if(strcmp(current_var->name, name) < 0){
657 if(strcmp(current_var->name, name) < 0)
658 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor + 1, &var);
660 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor, &var);
669 void MC_ignore_local_variable(const char *var_name, const char *frame_name){
671 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
675 if(mc_libsimgrid_info){
676 unsigned int cursor = 0;
677 dw_variable_t current_var;
679 if(strcmp(frame_name, "*") == 0){ /* Remove variable in all frames */
680 xbt_dict_cursor_t dict_cursor;
681 char *current_frame_name;
683 xbt_dict_foreach(mc_libsimgrid_info->local_variables, dict_cursor, current_frame_name, frame){
685 end = xbt_dynar_length(frame->variables) - 1;
687 cursor = (start + end) / 2;
688 current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
689 if(strcmp(current_var->name, var_name) == 0){
690 xbt_dynar_remove_at(frame->variables, cursor, NULL);
692 end = xbt_dynar_length(frame->variables) - 1;
693 }else if(strcmp(current_var->name, var_name) < 0){
700 xbt_dict_foreach(mc_binary_info->local_variables, dict_cursor, current_frame_name, frame){
702 end = xbt_dynar_length(frame->variables) - 1;
704 cursor = (start + end) / 2;
705 current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
706 if(strcmp(current_var->name, var_name) == 0){
707 xbt_dynar_remove_at(frame->variables, cursor, NULL);
709 end = xbt_dynar_length(frame->variables) - 1;
710 }else if(strcmp(current_var->name, var_name) < 0){
718 xbt_dynar_t variables_list = ((dw_frame_t)xbt_dict_get_or_null(
719 mc_libsimgrid_info->local_variables, frame_name))->variables;
721 end = xbt_dynar_length(variables_list) - 1;
723 cursor = (start + end) / 2;
724 current_var = (dw_variable_t)xbt_dynar_get_as(variables_list, cursor, dw_variable_t);
725 if(strcmp(current_var->name, var_name) == 0){
726 xbt_dynar_remove_at(variables_list, cursor, NULL);
728 end = xbt_dynar_length(variables_list) - 1;
729 }else if(strcmp(current_var->name, var_name) < 0){
738 if(mc_stack_comparison_ignore == NULL)
739 mc_stack_comparison_ignore = xbt_dynar_new(sizeof(mc_stack_ignore_variable_t), stack_ignore_variable_free_voidp);
741 mc_stack_ignore_variable_t var = NULL;
742 var = xbt_new0(s_mc_stack_ignore_variable_t, 1);
743 var->var_name = strdup(var_name);
744 var->frame = strdup(frame_name);
746 if(xbt_dynar_is_empty(mc_stack_comparison_ignore)){
748 xbt_dynar_insert_at(mc_stack_comparison_ignore, 0, &var);
752 unsigned int cursor = 0;
754 int end = xbt_dynar_length(mc_stack_comparison_ignore) - 1;
755 mc_stack_ignore_variable_t current_var = NULL;
758 cursor = (start + end) / 2;
759 current_var = (mc_stack_ignore_variable_t)xbt_dynar_get_as(mc_stack_comparison_ignore, cursor, mc_stack_ignore_variable_t);
760 if(strcmp(current_var->frame, frame_name) == 0){
761 if(strcmp(current_var->var_name, var_name) == 0){
762 stack_ignore_variable_free(var);
766 }else if(strcmp(current_var->var_name, var_name) < 0){
771 }else if(strcmp(current_var->frame, frame_name) < 0){
778 if(strcmp(current_var->frame, frame_name) == 0){
779 if(strcmp(current_var->var_name, var_name) < 0){
780 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
782 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
784 }else if(strcmp(current_var->frame, frame_name) < 0){
785 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
787 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
797 void MC_new_stack_area(void *stack, char *name, void* context, size_t size){
799 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
803 if(stacks_areas == NULL)
804 stacks_areas = xbt_dynar_new(sizeof(stack_region_t), NULL);
806 stack_region_t region = NULL;
807 region = xbt_new0(s_stack_region_t, 1);
808 region->address = stack;
809 region->process_name = strdup(name);
810 region->context = context;
812 region->block = ((char*)stack - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
813 xbt_dynar_push(stacks_areas, ®ion);
819 void MC_ignore(void *addr, size_t size){
821 int raw_mem_set= (mmalloc_get_current_heap() == raw_heap);
825 if(mc_checkpoint_ignore == NULL)
826 mc_checkpoint_ignore = xbt_dynar_new(sizeof(mc_checkpoint_ignore_region_t), checkpoint_ignore_region_free_voidp);
828 mc_checkpoint_ignore_region_t region = xbt_new0(s_mc_checkpoint_ignore_region_t, 1);
832 if(xbt_dynar_is_empty(mc_checkpoint_ignore)){
833 xbt_dynar_push(mc_checkpoint_ignore, ®ion);
836 unsigned int cursor = 0;
838 int end = xbt_dynar_length(mc_checkpoint_ignore) -1;
839 mc_checkpoint_ignore_region_t current_region = NULL;
842 cursor = (start + end) / 2;
843 current_region = (mc_checkpoint_ignore_region_t)xbt_dynar_get_as(mc_checkpoint_ignore, cursor, mc_checkpoint_ignore_region_t);
844 if(current_region->addr == addr){
845 if(current_region->size == size){
846 checkpoint_ignore_region_free(region);
850 }else if(current_region->size < size){
855 }else if(current_region->addr < addr){
862 if(current_region->addr == addr){
863 if(current_region->size < size){
864 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
866 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
868 }else if(current_region->addr < addr){
869 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
871 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
879 /******************************* Initialisation of MC *******************************/
880 /*********************************************************************************/
882 static void MC_dump_ignored_local_variables(void){
884 if(mc_stack_comparison_ignore == NULL || xbt_dynar_is_empty(mc_stack_comparison_ignore))
887 unsigned int cursor = 0;
888 mc_stack_ignore_variable_t current_var;
890 xbt_dynar_foreach(mc_stack_comparison_ignore, cursor, current_var){
891 MC_ignore_local_variable(current_var->var_name, current_var->frame);
894 xbt_dynar_free(&mc_stack_comparison_ignore);
895 mc_stack_comparison_ignore = NULL;
899 static void MC_dump_ignored_global_variables(void){
901 if(mc_data_bss_comparison_ignore == NULL || xbt_dynar_is_empty(mc_data_bss_comparison_ignore))
904 unsigned int cursor = 0;
905 mc_data_bss_ignore_variable_t current_var;
907 xbt_dynar_foreach(mc_data_bss_comparison_ignore, cursor, current_var){
908 MC_ignore_global_variable(current_var->name);
911 xbt_dynar_free(&mc_data_bss_comparison_ignore);
912 mc_data_bss_comparison_ignore = NULL;
916 static void MC_init_debug_info();
917 static void MC_init_debug_info() {
918 XBT_INFO("Get debug information ...");
920 memory_map_t maps = MC_get_memory_map();
922 /* Get local variables for state equality detection */
923 mc_binary_info = MC_find_object_info(maps, xbt_binary_name);
924 mc_libsimgrid_info = MC_find_object_info(maps, libsimgrid_path);
926 MC_free_memory_map(maps);
927 XBT_INFO("Get debug information done !");
932 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
936 /* Initialize the data structures that must be persistent across every
937 iteration of the model-checker (in RAW memory) */
941 MC_init_memory_map_info();
942 MC_init_debug_info();
944 /* Remove variables ignored before getting list of variables */
945 MC_dump_ignored_local_variables();
946 MC_dump_ignored_global_variables();
949 parmap = xbt_parmap_mc_new(xbt_os_get_numcores(), XBT_PARMAP_DEFAULT);
953 /* Ignore some variables from xbt/ex.h used by exception e for stacks comparison */
954 MC_ignore_local_variable("e", "*");
955 MC_ignore_local_variable("__ex_cleanup", "*");
956 MC_ignore_local_variable("__ex_mctx_en", "*");
957 MC_ignore_local_variable("__ex_mctx_me", "*");
958 MC_ignore_local_variable("__xbt_ex_ctx_ptr", "*");
959 MC_ignore_local_variable("_log_ev", "*");
960 MC_ignore_local_variable("_throw_ctx", "*");
961 MC_ignore_local_variable("ctx", "*");
963 MC_ignore_local_variable("next_context", "smx_ctx_sysv_suspend_serial");
964 MC_ignore_local_variable("i", "smx_ctx_sysv_suspend_serial");
966 /* Ignore local variable about time used for tracing */
967 MC_ignore_local_variable("start_time", "*");
969 MC_ignore_global_variable("mc_comp_times");
970 MC_ignore_global_variable("mc_snapshot_comparison_time");
971 MC_ignore_global_variable("mc_time");
972 MC_ignore_global_variable("smpi_current_rank");
973 MC_ignore_global_variable("counter"); /* Static variable used for tracing */
974 MC_ignore_global_variable("maestro_stack_start");
975 MC_ignore_global_variable("maestro_stack_end");
977 MC_ignore_heap(&(simix_global->process_to_run), sizeof(simix_global->process_to_run));
978 MC_ignore_heap(&(simix_global->process_that_ran), sizeof(simix_global->process_that_ran));
979 MC_ignore_heap(simix_global->process_to_run, sizeof(*(simix_global->process_to_run)));
980 MC_ignore_heap(simix_global->process_that_ran, sizeof(*(simix_global->process_that_ran)));
982 smx_process_t process;
983 xbt_swag_foreach(process, simix_global->process_list){
984 MC_ignore_heap(&(process->process_hookup), sizeof(process->process_hookup));
992 static void MC_init_dot_output(){ /* FIXME : more colors */
996 colors[2] = "green3";
997 colors[3] = "goldenrod";
999 colors[5] = "purple";
1000 colors[6] = "magenta";
1001 colors[7] = "turquoise4";
1002 colors[8] = "gray25";
1003 colors[9] = "forestgreen";
1004 colors[10] = "hotpink";
1005 colors[11] = "lightblue";
1008 dot_output = fopen(_sg_mc_dot_output_file, "w");
1010 if(dot_output == NULL){
1011 perror("Error open dot output file");
1015 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");
1019 /******************************* Core of MC *******************************/
1020 /**************************************************************************/
1022 void MC_do_the_modelcheck_for_real() {
1025 mc_comp_times = xbt_new0(s_mc_comparison_times_t, 1);
1028 if (!_sg_mc_property_file || _sg_mc_property_file[0]=='\0') {
1029 if (mc_reduce_kind==e_mc_reduce_unset)
1030 mc_reduce_kind=e_mc_reduce_dpor;
1032 XBT_INFO("Check a safety property");
1033 MC_modelcheck_safety();
1037 if (mc_reduce_kind==e_mc_reduce_unset)
1038 mc_reduce_kind=e_mc_reduce_none;
1040 XBT_INFO("Check the liveness property %s",_sg_mc_property_file);
1041 MC_automaton_load(_sg_mc_property_file);
1042 MC_modelcheck_liveness();
1046 void MC_modelcheck_safety(void)
1048 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1050 /* Check if MC is already initialized */
1051 if (initial_state_safety)
1054 mc_time = xbt_new0(double, simix_process_maxpid);
1056 /* mc_time refers to clock for each process -> ignore it for heap comparison */
1057 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
1059 /* Initialize the data structures that must be persistent across every
1060 iteration of the model-checker (in RAW memory) */
1064 /* Initialize statistics */
1065 mc_stats = xbt_new0(s_mc_stats_t, 1);
1066 mc_stats->state_size = 1;
1068 /* Create exploration stack */
1069 mc_stack_safety = xbt_fifo_new();
1071 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
1072 MC_init_dot_output();
1076 if(_sg_mc_visited > 0){
1080 MC_init_memory_map_info();
1081 MC_init_debug_info();
1088 /* Save the initial state */
1089 initial_state_safety = xbt_new0(s_mc_global_t, 1);
1090 initial_state_safety->snapshot = MC_take_snapshot(0);
1091 initial_state_safety->initial_communications_pattern_done = 0;
1092 initial_state_safety->comm_deterministic = 1;
1093 initial_state_safety->send_deterministic = 1;
1105 void MC_modelcheck_liveness(){
1107 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1111 mc_time = xbt_new0(double, simix_process_maxpid);
1113 /* mc_time refers to clock for each process -> ignore it for heap comparison */
1114 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
1118 /* Initialize statistics */
1119 mc_stats = xbt_new0(s_mc_stats_t, 1);
1120 mc_stats->state_size = 1;
1122 /* Create exploration stack */
1123 mc_stack_liveness = xbt_fifo_new();
1125 /* Create the initial state */
1126 initial_state_liveness = xbt_new0(s_mc_global_t, 1);
1128 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
1129 MC_init_dot_output();
1136 MC_print_statistics(mc_stats);
1153 int SIMIX_pre_mc_random(smx_simcall_t simcall, int min, int max){
1155 return simcall->mc_value;
1159 int MC_random(int min, int max)
1161 /*FIXME: return mc_current_state->executed_transition->random.value;*/
1162 return simcall_mc_random(min, max);
1166 * \brief Schedules all the process that are ready to run
1168 void MC_wait_for_requests(void)
1170 smx_process_t process;
1174 while (!xbt_dynar_is_empty(simix_global->process_to_run)) {
1175 SIMIX_process_runall();
1176 xbt_dynar_foreach(simix_global->process_that_ran, iter, process) {
1177 req = &process->simcall;
1178 if (req->call != SIMCALL_NONE && !MC_request_is_visible(req))
1179 SIMIX_simcall_pre(req, 0);
1184 int MC_deadlock_check()
1186 int deadlock = FALSE;
1187 smx_process_t process;
1188 if(xbt_swag_size(simix_global->process_list)){
1190 xbt_swag_foreach(process, simix_global->process_list){
1191 if(process->simcall.call != SIMCALL_NONE
1192 && MC_request_is_enabled(&process->simcall)){
1202 * \brief Re-executes from the state at position start all the transitions indicated by
1203 * a given model-checker stack.
1204 * \param stack The stack with the transitions to execute.
1205 * \param start Start index to begin the re-execution.
1207 void MC_replay(xbt_fifo_t stack, int start)
1209 int raw_mem = (mmalloc_get_current_heap() == raw_heap);
1211 int value, i = 1, count = 1;
1213 smx_simcall_t req = NULL, saved_req = NULL;
1214 xbt_fifo_item_t item, start_item;
1216 smx_process_t process = NULL;
1217 int comm_pattern = 0;
1219 XBT_DEBUG("**** Begin Replay ****");
1222 /* Restore the initial state */
1223 MC_restore_snapshot(initial_state_safety->snapshot);
1224 /* At the moment of taking the snapshot the raw heap was set, so restoring
1225 * it will set it back again, we have to unset it to continue */
1229 start_item = xbt_fifo_get_last_item(stack);
1232 start_item = xbt_fifo_get_prev_item(start_item);
1238 xbt_dict_reset(first_enabled_state);
1239 xbt_swag_foreach(process, simix_global->process_list){
1240 if(MC_process_is_enabled(process)){
1241 char *key = bprintf("%lu", process->pid);
1242 char *data = bprintf("%d", count);
1243 xbt_dict_set(first_enabled_state, key, data, NULL);
1247 if(_sg_mc_comms_determinism)
1248 xbt_dynar_reset(communications_pattern);
1252 /* Traverse the stack from the state at position start and re-execute the transitions */
1253 for (item = start_item;
1254 item != xbt_fifo_get_first_item(stack);
1255 item = xbt_fifo_get_prev_item(item)) {
1257 state = (mc_state_t) xbt_fifo_get_item_content(item);
1258 saved_req = MC_state_get_executed_request(state, &value);
1261 char *key = bprintf("%lu", saved_req->issuer->pid);
1262 xbt_dict_remove(first_enabled_state, key);
1267 /* because we got a copy of the executed request, we have to fetch the
1268 real one, pointed by the request field of the issuer process */
1269 req = &saved_req->issuer->simcall;
1271 /* Debug information */
1272 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
1273 req_str = MC_request_to_string(req, value);
1274 XBT_DEBUG("Replay: %s (%p)", req_str, state);
1279 if(_sg_mc_comms_determinism){
1280 if(req->call == SIMCALL_COMM_ISEND)
1282 else if(req->call == SIMCALL_COMM_IRECV)
1286 SIMIX_simcall_pre(req, value);
1288 if(_sg_mc_comms_determinism){
1290 if(comm_pattern != 0){
1291 get_comm_pattern(communications_pattern, req, comm_pattern);
1297 MC_wait_for_requests();
1302 /* Insert in dict all enabled processes */
1303 xbt_swag_foreach(process, simix_global->process_list){
1304 if(MC_process_is_enabled(process) /*&& !MC_state_process_is_done(state, process)*/){
1305 char *key = bprintf("%lu", process->pid);
1306 if(xbt_dict_get_or_null(first_enabled_state, key) == NULL){
1307 char *data = bprintf("%d", count);
1308 xbt_dict_set(first_enabled_state, key, data, NULL);
1315 /* Update statistics */
1316 mc_stats->visited_states++;
1317 mc_stats->executed_transitions++;
1321 XBT_DEBUG("**** End Replay ****");
1331 void MC_replay_liveness(xbt_fifo_t stack, int all_stack)
1334 initial_state_liveness->raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1338 smx_simcall_t req = NULL, saved_req = NULL;
1339 xbt_fifo_item_t item;
1344 XBT_DEBUG("**** Begin Replay ****");
1346 /* Restore the initial state */
1347 MC_restore_snapshot(initial_state_liveness->snapshot);
1349 /* At the moment of taking the snapshot the raw heap was set, so restoring
1350 * it will set it back again, we have to unset it to continue */
1351 if(!initial_state_liveness->raw_mem_set)
1356 item = xbt_fifo_get_last_item(stack);
1358 while(depth <= xbt_fifo_size(stack)){
1360 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
1361 state = (mc_state_t) pair->graph_state;
1363 if(pair->requests > 0){
1365 saved_req = MC_state_get_executed_request(state, &value);
1366 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
1368 if(saved_req != NULL){
1369 /* because we got a copy of the executed request, we have to fetch the
1370 real one, pointed by the request field of the issuer process */
1371 req = &saved_req->issuer->simcall;
1372 //XBT_DEBUG("Req->call %u", req->call);
1374 /* Debug information */
1375 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
1376 req_str = MC_request_to_string(req, value);
1377 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
1383 SIMIX_simcall_pre(req, value);
1384 MC_wait_for_requests();
1389 /* Update statistics */
1390 mc_stats->visited_pairs++;
1391 mc_stats->executed_transitions++;
1393 item = xbt_fifo_get_prev_item(item);
1398 /* Traverse the stack from the initial state and re-execute the transitions */
1399 for (item = xbt_fifo_get_last_item(stack);
1400 item != xbt_fifo_get_first_item(stack);
1401 item = xbt_fifo_get_prev_item(item)) {
1403 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
1404 state = (mc_state_t) pair->graph_state;
1406 if(pair->requests > 0){
1408 saved_req = MC_state_get_executed_request(state, &value);
1409 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
1411 if(saved_req != NULL){
1412 /* because we got a copy of the executed request, we have to fetch the
1413 real one, pointed by the request field of the issuer process */
1414 req = &saved_req->issuer->simcall;
1415 //XBT_DEBUG("Req->call %u", req->call);
1417 /* Debug information */
1418 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
1419 req_str = MC_request_to_string(req, value);
1420 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
1426 SIMIX_simcall_pre(req, value);
1427 MC_wait_for_requests();
1432 /* Update statistics */
1433 mc_stats->visited_pairs++;
1434 mc_stats->executed_transitions++;
1438 XBT_DEBUG("**** End Replay ****");
1440 if(initial_state_liveness->raw_mem_set)
1448 * \brief Dumps the contents of a model-checker's stack and shows the actual
1450 * \param stack The stack to dump
1452 void MC_dump_stack_safety(xbt_fifo_t stack)
1455 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1457 MC_show_stack_safety(stack);
1459 if(!_sg_mc_checkpoint){
1464 while ((state = (mc_state_t) xbt_fifo_pop(stack)) != NULL)
1465 MC_state_delete(state);
1478 void MC_show_stack_safety(xbt_fifo_t stack)
1481 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1487 xbt_fifo_item_t item;
1489 char *req_str = NULL;
1491 for (item = xbt_fifo_get_last_item(stack);
1492 (item ? (state = (mc_state_t) (xbt_fifo_get_item_content(item)))
1493 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
1494 req = MC_state_get_executed_request(state, &value);
1496 req_str = MC_request_to_string(req, value);
1497 XBT_INFO("%s", req_str);
1506 void MC_show_deadlock(smx_simcall_t req)
1508 /*char *req_str = NULL;*/
1509 XBT_INFO("**************************");
1510 XBT_INFO("*** DEAD-LOCK DETECTED ***");
1511 XBT_INFO("**************************");
1512 XBT_INFO("Locked request:");
1513 /*req_str = MC_request_to_string(req);
1514 XBT_INFO("%s", req_str);
1515 xbt_free(req_str);*/
1516 XBT_INFO("Counter-example execution trace:");
1517 MC_dump_stack_safety(mc_stack_safety);
1518 MC_print_statistics(mc_stats);
1522 void MC_show_stack_liveness(xbt_fifo_t stack){
1525 xbt_fifo_item_t item;
1527 char *req_str = NULL;
1529 for (item = xbt_fifo_get_last_item(stack);
1530 (item ? (pair = (mc_pair_t) (xbt_fifo_get_item_content(item)))
1531 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
1532 req = MC_state_get_executed_request(pair->graph_state, &value);
1534 if(pair->requests>0){
1535 req_str = MC_request_to_string(req, value);
1536 XBT_INFO("%s", req_str);
1539 XBT_INFO("End of system requests but evolution in Büchi automaton");
1545 void MC_dump_stack_liveness(xbt_fifo_t stack){
1547 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1552 while ((pair = (mc_pair_t) xbt_fifo_pop(stack)) != NULL)
1553 MC_pair_delete(pair);
1562 void MC_print_statistics(mc_stats_t stats)
1564 if(stats->expanded_pairs == 0){
1565 XBT_INFO("Expanded states = %lu", stats->expanded_states);
1566 XBT_INFO("Visited states = %lu", stats->visited_states);
1568 XBT_INFO("Expanded pairs = %lu", stats->expanded_pairs);
1569 XBT_INFO("Visited pairs = %lu", stats->visited_pairs);
1571 XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
1573 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0')){
1574 fprintf(dot_output, "}\n");
1577 if(initial_state_safety != NULL && _sg_mc_comms_determinism){
1578 XBT_INFO("Communication-deterministic : %s", !initial_state_safety->comm_deterministic ? "No" : "Yes");
1579 XBT_INFO("Send-deterministic : %s", !initial_state_safety->send_deterministic ? "No" : "Yes");
1584 void MC_assert(int prop)
1586 if (MC_is_active() && !prop){
1587 XBT_INFO("**************************");
1588 XBT_INFO("*** PROPERTY NOT VALID ***");
1589 XBT_INFO("**************************");
1590 XBT_INFO("Counter-example execution trace:");
1591 MC_dump_stack_safety(mc_stack_safety);
1592 MC_print_statistics(mc_stats);
1598 user_max_depth_reached = 1;
1601 void MC_process_clock_add(smx_process_t process, double amount)
1603 mc_time[process->pid] += amount;
1606 double MC_process_clock_get(smx_process_t process)
1610 return mc_time[process->pid];
1618 void MC_automaton_load(const char *file){
1620 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1624 if (_mc_property_automaton == NULL)
1625 _mc_property_automaton = xbt_automaton_new();
1627 xbt_automaton_load(_mc_property_automaton,file);
1636 void MC_automaton_new_propositional_symbol(const char* id, void* fct) {
1638 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1642 if (_mc_property_automaton == NULL)
1643 _mc_property_automaton = xbt_automaton_new();
1645 xbt_automaton_propositional_symbol_new(_mc_property_automaton,id,fct);