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;
37 int user_max_depth_reached = 0;
39 void _mc_cfg_cb_reduce(const char *name, int pos) {
40 if (_sg_cfg_init_status && !_sg_do_model_check) {
41 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.");
43 char *val= xbt_cfg_get_string(_sg_cfg_set, name);
44 if (!strcasecmp(val,"none")) {
45 mc_reduce_kind = e_mc_reduce_none;
46 } else if (!strcasecmp(val,"dpor")) {
47 mc_reduce_kind = e_mc_reduce_dpor;
49 xbt_die("configuration option %s can only take 'none' or 'dpor' as a value",name);
53 void _mc_cfg_cb_checkpoint(const char *name, int pos) {
54 if (_sg_cfg_init_status && !_sg_do_model_check) {
55 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.");
57 _sg_mc_checkpoint = xbt_cfg_get_int(_sg_cfg_set, name);
59 void _mc_cfg_cb_property(const char *name, int pos) {
60 if (_sg_cfg_init_status && !_sg_do_model_check) {
61 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.");
63 _sg_mc_property_file= xbt_cfg_get_string(_sg_cfg_set, name);
66 void _mc_cfg_cb_timeout(const char *name, int pos) {
67 if (_sg_cfg_init_status && !_sg_do_model_check) {
68 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.");
70 _sg_mc_timeout= xbt_cfg_get_boolean(_sg_cfg_set, name);
73 void _mc_cfg_cb_max_depth(const char *name, int pos) {
74 if (_sg_cfg_init_status && !_sg_do_model_check) {
75 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.");
77 _sg_mc_max_depth= xbt_cfg_get_int(_sg_cfg_set, name);
80 void _mc_cfg_cb_visited(const char *name, int pos) {
81 if (_sg_cfg_init_status && !_sg_do_model_check) {
82 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.");
84 _sg_mc_visited= xbt_cfg_get_int(_sg_cfg_set, name);
87 void _mc_cfg_cb_dot_output(const char *name, int pos) {
88 if (_sg_cfg_init_status && !_sg_do_model_check) {
89 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.");
91 _sg_mc_dot_output_file= xbt_cfg_get_string(_sg_cfg_set, name);
94 /* MC global data structures */
95 mc_state_t mc_current_state = NULL;
96 char mc_replay_mode = FALSE;
97 double *mc_time = NULL;
98 __thread mc_comparison_times_t mc_comp_times = NULL;
99 __thread double mc_snapshot_comparison_time;
100 mc_stats_t mc_stats = NULL;
103 xbt_fifo_t mc_stack_safety = NULL;
104 mc_global_t initial_state_safety = NULL;
107 xbt_fifo_t mc_stack_liveness = NULL;
108 mc_global_t initial_state_liveness = NULL;
111 xbt_automaton_t _mc_property_automaton = NULL;
114 mc_object_info_t mc_libsimgrid_info = NULL;
115 mc_object_info_t mc_binary_info = NULL;
117 /* Ignore mechanism */
118 xbt_dynar_t mc_stack_comparison_ignore;
119 xbt_dynar_t mc_data_bss_comparison_ignore;
120 extern xbt_dynar_t mc_heap_comparison_ignore;
121 extern xbt_dynar_t stacks_areas;
124 FILE *dot_output = NULL;
125 const char* colors[13];
128 /******************************* DWARF Information *******************************/
129 /**********************************************************************************/
131 /************************** Free functions *************************/
133 static void dw_location_free(dw_location_t l){
135 if(l->type == e_dw_loclist)
136 xbt_dynar_free(&(l->location.loclist));
137 else if(l->type == e_dw_compose)
138 xbt_dynar_free(&(l->location.compose));
139 else if(l->type == e_dw_arithmetic)
140 xbt_free(l->location.arithmetic);
146 static void dw_location_entry_free(dw_location_entry_t e){
147 dw_location_free(e->location);
151 void dw_type_free(dw_type_t t){
153 xbt_free(t->dw_type_id);
154 xbt_dynar_free(&(t->members));
158 static void dw_type_free_voidp(void *t){
159 dw_type_free((dw_type_t) * (void **) t);
162 void dw_variable_free(dw_variable_t v){
165 xbt_free(v->type_origin);
167 dw_location_free(v->address.location);
172 void dw_variable_free_voidp(void *t){
173 dw_variable_free((dw_variable_t) * (void **) t);
178 mc_object_info_t MC_new_object_info(void) {
179 mc_object_info_t res = xbt_new0(s_mc_object_info_t, 1);
180 res->local_variables = xbt_dict_new_homogeneous(NULL);
181 res->global_variables = xbt_dynar_new(sizeof(dw_variable_t), dw_variable_free_voidp);
182 res->types = xbt_dict_new_homogeneous(NULL);
183 res->types_by_name = xbt_dict_new_homogeneous(NULL);
187 void MC_free_object_info(mc_object_info_t* info) {
188 xbt_free(&(*info)->file_name);
189 xbt_dict_free(&(*info)->local_variables);
190 xbt_dynar_free(&(*info)->global_variables);
191 xbt_dict_free(&(*info)->types);
192 xbt_dict_free(&(*info)->types_by_name);
197 /*************************************************************************/
199 static dw_location_t MC_dwarf_get_location(xbt_dict_t location_list, char *expr){
201 dw_location_t loc = xbt_new0(s_dw_location_t, 1);
203 if(location_list != NULL){
205 char *key = bprintf("%d", (int)strtoul(expr, NULL, 16));
206 loc->type = e_dw_loclist;
207 loc->location.loclist = (xbt_dynar_t)xbt_dict_get_or_null(location_list, key);
208 if(loc->location.loclist == NULL)
209 XBT_INFO("Key not found in loclist");
216 char *tok = NULL, *tok2 = NULL;
218 xbt_dynar_t tokens1 = xbt_str_split(expr, ";");
221 loc->type = e_dw_compose;
222 loc->location.compose = xbt_dynar_new(sizeof(dw_location_t), NULL);
224 while(cursor < xbt_dynar_length(tokens1)){
226 tok = xbt_dynar_get_as(tokens1, cursor, char*);
227 tokens2 = xbt_str_split(tok, " ");
228 tok2 = xbt_dynar_get_as(tokens2, 0, char*);
230 if(strncmp(tok2, "DW_OP_reg", 9) == 0){
231 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
232 new_element->type = e_dw_register;
233 new_element->location.reg = atoi(strtok(tok2, "DW_OP_reg"));
234 xbt_dynar_push(loc->location.compose, &new_element);
235 }else if(strcmp(tok2, "DW_OP_fbreg:") == 0){
236 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
237 new_element->type = e_dw_fbregister_op;
238 new_element->location.fbreg_op = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
239 xbt_dynar_push(loc->location.compose, &new_element);
240 }else if(strncmp(tok2, "DW_OP_breg", 10) == 0){
241 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
242 new_element->type = e_dw_bregister_op;
243 new_element->location.breg_op.reg = atoi(strtok(tok2, "DW_OP_breg"));
244 new_element->location.breg_op.offset = 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_lit", 9) == 0){
247 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
248 new_element->type = e_dw_lit;
249 new_element->location.lit = atoi(strtok(tok2, "DW_OP_lit"));
250 xbt_dynar_push(loc->location.compose, &new_element);
251 }else if(strcmp(tok2, "DW_OP_piece:") == 0){
252 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
253 new_element->type = e_dw_piece;
254 new_element->location.piece = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
255 xbt_dynar_push(loc->location.compose, &new_element);
256 }else if(strcmp(tok2, "DW_OP_plus_uconst:") == 0){
257 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
258 new_element->type = e_dw_plus_uconst;
259 new_element->location.plus_uconst = atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char *));
260 xbt_dynar_push(loc->location.compose, &new_element);
261 }else if(strcmp(tok, "DW_OP_abs") == 0 ||
262 strcmp(tok, "DW_OP_and") == 0 ||
263 strcmp(tok, "DW_OP_div") == 0 ||
264 strcmp(tok, "DW_OP_minus") == 0 ||
265 strcmp(tok, "DW_OP_mod") == 0 ||
266 strcmp(tok, "DW_OP_mul") == 0 ||
267 strcmp(tok, "DW_OP_neg") == 0 ||
268 strcmp(tok, "DW_OP_not") == 0 ||
269 strcmp(tok, "DW_OP_or") == 0 ||
270 strcmp(tok, "DW_OP_plus") == 0){
271 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
272 new_element->type = e_dw_arithmetic;
273 new_element->location.arithmetic = strdup(strtok(tok2, "DW_OP_"));
274 xbt_dynar_push(loc->location.compose, &new_element);
275 }else if(strcmp(tok, "DW_OP_stack_value") == 0){
276 }else if(strcmp(tok2, "DW_OP_deref_size:") == 0){
277 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
278 new_element->type = e_dw_deref;
279 new_element->location.deref_size = (unsigned int short) atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*));
280 xbt_dynar_push(loc->location.compose, &new_element);
281 }else if(strcmp(tok, "DW_OP_deref") == 0){
282 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
283 new_element->type = e_dw_deref;
284 new_element->location.deref_size = sizeof(void *);
285 xbt_dynar_push(loc->location.compose, &new_element);
286 }else if(strcmp(tok2, "DW_OP_constu:") == 0){
287 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
288 new_element->type = e_dw_uconstant;
289 new_element->location.uconstant.bytes = 1;
290 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
291 xbt_dynar_push(loc->location.compose, &new_element);
292 }else if(strcmp(tok2, "DW_OP_consts:") == 0){
293 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
294 new_element->type = e_dw_sconstant;
295 new_element->location.sconstant.bytes = 1;
296 new_element->location.sconstant.value = (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_const1u:") == 0 ||
299 strcmp(tok2, "DW_OP_const2u:") == 0 ||
300 strcmp(tok2, "DW_OP_const4u:") == 0 ||
301 strcmp(tok2, "DW_OP_const8u:") == 0){
302 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
303 new_element->type = e_dw_uconstant;
304 new_element->location.uconstant.bytes = tok2[11] - '0';
305 new_element->location.uconstant.value = (unsigned long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
306 xbt_dynar_push(loc->location.compose, &new_element);
307 }else if(strcmp(tok, "DW_OP_const1s") == 0 ||
308 strcmp(tok, "DW_OP_const2s") == 0 ||
309 strcmp(tok, "DW_OP_const4s") == 0 ||
310 strcmp(tok, "DW_OP_const8s") == 0){
311 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
312 new_element->type = e_dw_sconstant;
313 new_element->location.sconstant.bytes = tok2[11] - '0';
314 new_element->location.sconstant.value = (long int)(atoi(xbt_dynar_get_as(tokens2, xbt_dynar_length(tokens2) - 1, char*)));
315 xbt_dynar_push(loc->location.compose, &new_element);
317 dw_location_t new_element = xbt_new0(s_dw_location_t, 1);
318 new_element->type = e_dw_unsupported;
319 xbt_dynar_push(loc->location.compose, &new_element);
323 xbt_dynar_free(&tokens2);
327 xbt_dynar_free(&tokens1);
336 /** \brief Finds a frame (DW_TAG_subprogram) from an DWARF offset in the rangd of this subprogram
338 * The offset can be an offset of a child DW_TAG_variable.
340 static dw_frame_t MC_dwarf_get_frame_by_offset(xbt_dict_t all_variables, unsigned long int offset){
342 xbt_dict_cursor_t cursor = NULL;
346 xbt_dict_foreach(all_variables, cursor, name, res) {
347 if(offset >= res->start && offset < res->end){
348 xbt_dict_cursor_free(&cursor);
353 xbt_dict_cursor_free(&cursor);
358 static dw_variable_t MC_dwarf_get_variable_by_name(dw_frame_t frame, char *var){
360 unsigned int cursor = 0;
361 dw_variable_t current_var;
363 xbt_dynar_foreach(frame->variables, cursor, current_var){
364 if(strcmp(var, current_var->name) == 0)
371 static int MC_dwarf_get_variable_index(xbt_dynar_t variables, char* var, void *address){
373 if(xbt_dynar_is_empty(variables))
376 unsigned int cursor = 0;
378 int end = xbt_dynar_length(variables) - 1;
379 dw_variable_t var_test = NULL;
382 cursor = (start + end) / 2;
383 var_test = (dw_variable_t)xbt_dynar_get_as(variables, cursor, dw_variable_t);
384 if(strcmp(var_test->name, var) < 0){
386 }else if(strcmp(var_test->name, var) > 0){
389 if(address){ /* global variable */
390 if(var_test->address.address == address)
392 if(var_test->address.address > address)
396 }else{ /* local variable */
402 if(strcmp(var_test->name, var) == 0){
403 if(address && var_test->address.address < address)
407 }else if(strcmp(var_test->name, var) < 0)
414 void MC_dwarf_register_global_variable(mc_object_info_t info, dw_variable_t variable) {
415 int index = MC_dwarf_get_variable_index(info->global_variables, variable->name, variable->address.address);
417 xbt_dynar_insert_at(info->global_variables, index, &variable);
421 void MC_dwarf_register_non_global_variable(mc_object_info_t info, dw_frame_t frame, dw_variable_t variable) {
422 xbt_assert(frame, "Frame is NULL");
423 int index = MC_dwarf_get_variable_index(frame->variables, variable->name, NULL);
425 xbt_dynar_insert_at(frame->variables, index, &variable);
429 void MC_dwarf_register_variable(mc_object_info_t info, dw_frame_t frame, dw_variable_t variable) {
431 MC_dwarf_register_global_variable(info, variable);
433 xbt_die("No frame for this local variable");
435 MC_dwarf_register_non_global_variable(info, frame, variable);
439 /******************************* Ignore mechanism *******************************/
440 /*********************************************************************************/
442 xbt_dynar_t mc_checkpoint_ignore;
444 typedef struct s_mc_stack_ignore_variable{
447 }s_mc_stack_ignore_variable_t, *mc_stack_ignore_variable_t;
449 typedef struct s_mc_data_bss_ignore_variable{
451 }s_mc_data_bss_ignore_variable_t, *mc_data_bss_ignore_variable_t;
453 /**************************** Free functions ******************************/
455 static void stack_ignore_variable_free(mc_stack_ignore_variable_t v){
456 xbt_free(v->var_name);
461 static void stack_ignore_variable_free_voidp(void *v){
462 stack_ignore_variable_free((mc_stack_ignore_variable_t) * (void **) v);
465 void heap_ignore_region_free(mc_heap_ignore_region_t r){
469 void heap_ignore_region_free_voidp(void *r){
470 heap_ignore_region_free((mc_heap_ignore_region_t) * (void **) r);
473 static void data_bss_ignore_variable_free(mc_data_bss_ignore_variable_t v){
478 static void data_bss_ignore_variable_free_voidp(void *v){
479 data_bss_ignore_variable_free((mc_data_bss_ignore_variable_t) * (void **) v);
482 static void checkpoint_ignore_region_free(mc_checkpoint_ignore_region_t r){
486 static void checkpoint_ignore_region_free_voidp(void *r){
487 checkpoint_ignore_region_free((mc_checkpoint_ignore_region_t) * (void **) r);
490 /***********************************************************************/
492 void MC_ignore_heap(void *address, size_t size){
494 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
498 mc_heap_ignore_region_t region = NULL;
499 region = xbt_new0(s_mc_heap_ignore_region_t, 1);
500 region->address = address;
503 region->block = ((char*)address - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
505 if(((xbt_mheap_t)std_heap)->heapinfo[region->block].type == 0){
506 region->fragment = -1;
507 ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_block.ignore++;
509 region->fragment = ((uintptr_t) (ADDR2UINT (address) % (BLOCKSIZE))) >> ((xbt_mheap_t)std_heap)->heapinfo[region->block].type;
510 ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_frag.ignore[region->fragment]++;
513 if(mc_heap_comparison_ignore == NULL){
514 mc_heap_comparison_ignore = xbt_dynar_new(sizeof(mc_heap_ignore_region_t), heap_ignore_region_free_voidp);
515 xbt_dynar_push(mc_heap_comparison_ignore, ®ion);
521 unsigned int cursor = 0;
522 mc_heap_ignore_region_t current_region = NULL;
524 int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
527 cursor = (start + end) / 2;
528 current_region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
529 if(current_region->address == address){
530 heap_ignore_region_free(region);
534 }else if(current_region->address < address){
541 if(current_region->address < address)
542 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor + 1, ®ion);
544 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor, ®ion);
550 void MC_remove_ignore_heap(void *address, size_t size){
552 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
556 unsigned int cursor = 0;
558 int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
559 mc_heap_ignore_region_t region;
560 int ignore_found = 0;
563 cursor = (start + end) / 2;
564 region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
565 if(region->address == address){
568 }else if(region->address < address){
571 if((char * )region->address <= ((char *)address + size)){
580 if(ignore_found == 1){
581 xbt_dynar_remove_at(mc_heap_comparison_ignore, cursor, NULL);
582 MC_remove_ignore_heap(address, size);
590 void MC_ignore_global_variable(const char *name){
592 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
596 if(mc_libsimgrid_info){
598 unsigned int cursor = 0;
599 dw_variable_t current_var;
601 int end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
604 cursor = (start + end) /2;
605 current_var = (dw_variable_t)xbt_dynar_get_as(mc_libsimgrid_info->global_variables, cursor, dw_variable_t);
606 if(strcmp(current_var->name, name) == 0){
607 xbt_dynar_remove_at(mc_libsimgrid_info->global_variables, cursor, NULL);
609 end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
610 }else if(strcmp(current_var->name, name) < 0){
619 if(mc_data_bss_comparison_ignore == NULL)
620 mc_data_bss_comparison_ignore = xbt_dynar_new(sizeof(mc_data_bss_ignore_variable_t), data_bss_ignore_variable_free_voidp);
622 mc_data_bss_ignore_variable_t var = NULL;
623 var = xbt_new0(s_mc_data_bss_ignore_variable_t, 1);
624 var->name = strdup(name);
626 if(xbt_dynar_is_empty(mc_data_bss_comparison_ignore)){
628 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, 0, &var);
632 unsigned int cursor = 0;
634 int end = xbt_dynar_length(mc_data_bss_comparison_ignore) - 1;
635 mc_data_bss_ignore_variable_t current_var = NULL;
638 cursor = (start + end) / 2;
639 current_var = (mc_data_bss_ignore_variable_t)xbt_dynar_get_as(mc_data_bss_comparison_ignore, cursor, mc_data_bss_ignore_variable_t);
640 if(strcmp(current_var->name, name) == 0){
641 data_bss_ignore_variable_free(var);
645 }else if(strcmp(current_var->name, name) < 0){
652 if(strcmp(current_var->name, name) < 0)
653 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor + 1, &var);
655 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor, &var);
664 void MC_ignore_local_variable(const char *var_name, const char *frame_name){
666 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
670 if(mc_libsimgrid_info){
671 unsigned int cursor = 0;
672 dw_variable_t current_var;
674 if(strcmp(frame_name, "*") == 0){ /* Remove variable in all frames */
675 xbt_dict_cursor_t dict_cursor;
676 char *current_frame_name;
678 xbt_dict_foreach(mc_libsimgrid_info->local_variables, dict_cursor, current_frame_name, frame){
680 end = xbt_dynar_length(frame->variables) - 1;
682 cursor = (start + end) / 2;
683 current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
684 if(strcmp(current_var->name, var_name) == 0){
685 xbt_dynar_remove_at(frame->variables, cursor, NULL);
687 end = xbt_dynar_length(frame->variables) - 1;
688 }else if(strcmp(current_var->name, var_name) < 0){
695 xbt_dict_foreach(mc_binary_info->local_variables, dict_cursor, current_frame_name, frame){
697 end = xbt_dynar_length(frame->variables) - 1;
699 cursor = (start + end) / 2;
700 current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
701 if(strcmp(current_var->name, var_name) == 0){
702 xbt_dynar_remove_at(frame->variables, cursor, NULL);
704 end = xbt_dynar_length(frame->variables) - 1;
705 }else if(strcmp(current_var->name, var_name) < 0){
713 xbt_dynar_t variables_list = ((dw_frame_t)xbt_dict_get_or_null(
714 mc_libsimgrid_info->local_variables, frame_name))->variables;
716 end = xbt_dynar_length(variables_list) - 1;
718 cursor = (start + end) / 2;
719 current_var = (dw_variable_t)xbt_dynar_get_as(variables_list, cursor, dw_variable_t);
720 if(strcmp(current_var->name, var_name) == 0){
721 xbt_dynar_remove_at(variables_list, cursor, NULL);
723 end = xbt_dynar_length(variables_list) - 1;
724 }else if(strcmp(current_var->name, var_name) < 0){
733 if(mc_stack_comparison_ignore == NULL)
734 mc_stack_comparison_ignore = xbt_dynar_new(sizeof(mc_stack_ignore_variable_t), stack_ignore_variable_free_voidp);
736 mc_stack_ignore_variable_t var = NULL;
737 var = xbt_new0(s_mc_stack_ignore_variable_t, 1);
738 var->var_name = strdup(var_name);
739 var->frame = strdup(frame_name);
741 if(xbt_dynar_is_empty(mc_stack_comparison_ignore)){
743 xbt_dynar_insert_at(mc_stack_comparison_ignore, 0, &var);
747 unsigned int cursor = 0;
749 int end = xbt_dynar_length(mc_stack_comparison_ignore) - 1;
750 mc_stack_ignore_variable_t current_var = NULL;
753 cursor = (start + end) / 2;
754 current_var = (mc_stack_ignore_variable_t)xbt_dynar_get_as(mc_stack_comparison_ignore, cursor, mc_stack_ignore_variable_t);
755 if(strcmp(current_var->frame, frame_name) == 0){
756 if(strcmp(current_var->var_name, var_name) == 0){
757 stack_ignore_variable_free(var);
761 }else if(strcmp(current_var->var_name, var_name) < 0){
766 }else if(strcmp(current_var->frame, frame_name) < 0){
773 if(strcmp(current_var->frame, frame_name) == 0){
774 if(strcmp(current_var->var_name, var_name) < 0){
775 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
777 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
779 }else if(strcmp(current_var->frame, frame_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);
792 void MC_new_stack_area(void *stack, char *name, void* context, size_t size){
794 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
798 if(stacks_areas == NULL)
799 stacks_areas = xbt_dynar_new(sizeof(stack_region_t), NULL);
801 stack_region_t region = NULL;
802 region = xbt_new0(s_stack_region_t, 1);
803 region->address = stack;
804 region->process_name = strdup(name);
805 region->context = context;
807 region->block = ((char*)stack - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
808 xbt_dynar_push(stacks_areas, ®ion);
814 void MC_ignore(void *addr, size_t size){
816 int raw_mem_set= (mmalloc_get_current_heap() == raw_heap);
820 if(mc_checkpoint_ignore == NULL)
821 mc_checkpoint_ignore = xbt_dynar_new(sizeof(mc_checkpoint_ignore_region_t), checkpoint_ignore_region_free_voidp);
823 mc_checkpoint_ignore_region_t region = xbt_new0(s_mc_checkpoint_ignore_region_t, 1);
827 if(xbt_dynar_is_empty(mc_checkpoint_ignore)){
828 xbt_dynar_push(mc_checkpoint_ignore, ®ion);
831 unsigned int cursor = 0;
833 int end = xbt_dynar_length(mc_checkpoint_ignore) -1;
834 mc_checkpoint_ignore_region_t current_region = NULL;
837 cursor = (start + end) / 2;
838 current_region = (mc_checkpoint_ignore_region_t)xbt_dynar_get_as(mc_checkpoint_ignore, cursor, mc_checkpoint_ignore_region_t);
839 if(current_region->addr == addr){
840 if(current_region->size == size){
841 checkpoint_ignore_region_free(region);
845 }else if(current_region->size < size){
850 }else if(current_region->addr < addr){
857 if(current_region->addr == addr){
858 if(current_region->size < size){
859 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
861 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
863 }else if(current_region->addr < addr){
864 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
866 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
874 /******************************* Initialisation of MC *******************************/
875 /*********************************************************************************/
877 static void MC_dump_ignored_local_variables(void){
879 if(mc_stack_comparison_ignore == NULL || xbt_dynar_is_empty(mc_stack_comparison_ignore))
882 unsigned int cursor = 0;
883 mc_stack_ignore_variable_t current_var;
885 xbt_dynar_foreach(mc_stack_comparison_ignore, cursor, current_var){
886 MC_ignore_local_variable(current_var->var_name, current_var->frame);
889 xbt_dynar_free(&mc_stack_comparison_ignore);
890 mc_stack_comparison_ignore = NULL;
894 static void MC_dump_ignored_global_variables(void){
896 if(mc_data_bss_comparison_ignore == NULL || xbt_dynar_is_empty(mc_data_bss_comparison_ignore))
899 unsigned int cursor = 0;
900 mc_data_bss_ignore_variable_t current_var;
902 xbt_dynar_foreach(mc_data_bss_comparison_ignore, cursor, current_var){
903 MC_ignore_global_variable(current_var->name);
906 xbt_dynar_free(&mc_data_bss_comparison_ignore);
907 mc_data_bss_comparison_ignore = NULL;
911 static void MC_init_debug_info();
912 static void MC_init_debug_info() {
913 XBT_INFO("Get debug information ...");
915 memory_map_t maps = MC_get_memory_map();
917 /* Get local variables for state equality detection */
918 mc_binary_info = MC_find_object_info(maps, xbt_binary_name);
919 mc_libsimgrid_info = MC_find_object_info(maps, libsimgrid_path);
921 MC_free_memory_map(maps);
922 XBT_INFO("Get debug information done !");
927 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
931 /* Initialize the data structures that must be persistent across every
932 iteration of the model-checker (in RAW memory) */
936 MC_init_memory_map_info();
937 MC_init_debug_info();
939 /* Remove variables ignored before getting list of variables */
940 MC_dump_ignored_local_variables();
941 MC_dump_ignored_global_variables();
944 parmap = xbt_parmap_mc_new(xbt_os_get_numcores(), XBT_PARMAP_DEFAULT);
948 /* Ignore some variables from xbt/ex.h used by exception e for stacks comparison */
949 MC_ignore_local_variable("e", "*");
950 MC_ignore_local_variable("__ex_cleanup", "*");
951 MC_ignore_local_variable("__ex_mctx_en", "*");
952 MC_ignore_local_variable("__ex_mctx_me", "*");
953 MC_ignore_local_variable("__xbt_ex_ctx_ptr", "*");
954 MC_ignore_local_variable("_log_ev", "*");
955 MC_ignore_local_variable("_throw_ctx", "*");
956 MC_ignore_local_variable("ctx", "*");
958 MC_ignore_local_variable("next_context", "smx_ctx_sysv_suspend_serial");
959 MC_ignore_local_variable("i", "smx_ctx_sysv_suspend_serial");
961 /* Ignore local variable about time used for tracing */
962 MC_ignore_local_variable("start_time", "*");
964 MC_ignore_global_variable("mc_comp_times");
965 MC_ignore_global_variable("mc_snapshot_comparison_time");
966 MC_ignore_global_variable("mc_time");
967 MC_ignore_global_variable("smpi_current_rank");
968 MC_ignore_global_variable("counter"); /* Static variable used for tracing */
969 MC_ignore_global_variable("maestro_stack_start");
970 MC_ignore_global_variable("maestro_stack_end");
972 MC_ignore_heap(&(simix_global->process_to_run), sizeof(simix_global->process_to_run));
973 MC_ignore_heap(&(simix_global->process_that_ran), sizeof(simix_global->process_that_ran));
974 MC_ignore_heap(simix_global->process_to_run, sizeof(*(simix_global->process_to_run)));
975 MC_ignore_heap(simix_global->process_that_ran, sizeof(*(simix_global->process_that_ran)));
977 smx_process_t process;
978 xbt_swag_foreach(process, simix_global->process_list){
979 MC_ignore_heap(&(process->process_hookup), sizeof(process->process_hookup));
987 static void MC_init_dot_output(){ /* FIXME : more colors */
991 colors[2] = "green3";
992 colors[3] = "goldenrod";
994 colors[5] = "purple";
995 colors[6] = "magenta";
996 colors[7] = "turquoise4";
997 colors[8] = "gray25";
998 colors[9] = "forestgreen";
999 colors[10] = "hotpink";
1000 colors[11] = "lightblue";
1003 dot_output = fopen(_sg_mc_dot_output_file, "w");
1005 if(dot_output == NULL){
1006 perror("Error open dot output file");
1010 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");
1014 /******************************* Core of MC *******************************/
1015 /**************************************************************************/
1017 void MC_do_the_modelcheck_for_real() {
1020 mc_comp_times = xbt_new0(s_mc_comparison_times_t, 1);
1023 if (!_sg_mc_property_file || _sg_mc_property_file[0]=='\0') {
1024 if (mc_reduce_kind==e_mc_reduce_unset)
1025 mc_reduce_kind=e_mc_reduce_dpor;
1027 XBT_INFO("Check a safety property");
1028 MC_modelcheck_safety();
1032 if (mc_reduce_kind==e_mc_reduce_unset)
1033 mc_reduce_kind=e_mc_reduce_none;
1035 XBT_INFO("Check the liveness property %s",_sg_mc_property_file);
1036 MC_automaton_load(_sg_mc_property_file);
1037 MC_modelcheck_liveness();
1041 void MC_modelcheck_safety(void)
1043 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1045 /* Check if MC is already initialized */
1046 if (initial_state_safety)
1049 mc_time = xbt_new0(double, simix_process_maxpid);
1051 /* mc_time refers to clock for each process -> ignore it for heap comparison */
1052 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
1054 /* Initialize the data structures that must be persistent across every
1055 iteration of the model-checker (in RAW memory) */
1059 /* Initialize statistics */
1060 mc_stats = xbt_new0(s_mc_stats_t, 1);
1061 mc_stats->state_size = 1;
1063 /* Create exploration stack */
1064 mc_stack_safety = xbt_fifo_new();
1066 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
1067 MC_init_dot_output();
1071 if(_sg_mc_visited > 0){
1075 MC_init_memory_map_info();
1076 MC_init_debug_info();
1083 /* Save the initial state */
1084 initial_state_safety = xbt_new0(s_mc_global_t, 1);
1085 initial_state_safety->snapshot = MC_take_snapshot(0);
1086 initial_state_safety->initial_communications_pattern_done = 0;
1087 initial_state_safety->comm_deterministic = 1;
1088 initial_state_safety->send_deterministic = 1;
1100 void MC_modelcheck_liveness(){
1102 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1106 mc_time = xbt_new0(double, simix_process_maxpid);
1108 /* mc_time refers to clock for each process -> ignore it for heap comparison */
1109 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
1113 /* Initialize statistics */
1114 mc_stats = xbt_new0(s_mc_stats_t, 1);
1115 mc_stats->state_size = 1;
1117 /* Create exploration stack */
1118 mc_stack_liveness = xbt_fifo_new();
1120 /* Create the initial state */
1121 initial_state_liveness = xbt_new0(s_mc_global_t, 1);
1123 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
1124 MC_init_dot_output();
1131 MC_print_statistics(mc_stats);
1148 int SIMIX_pre_mc_random(smx_simcall_t simcall, int min, int max){
1150 return simcall->mc_value;
1154 int MC_random(int min, int max)
1156 /*FIXME: return mc_current_state->executed_transition->random.value;*/
1157 return simcall_mc_random(min, max);
1161 * \brief Schedules all the process that are ready to run
1163 void MC_wait_for_requests(void)
1165 smx_process_t process;
1169 while (!xbt_dynar_is_empty(simix_global->process_to_run)) {
1170 SIMIX_process_runall();
1171 xbt_dynar_foreach(simix_global->process_that_ran, iter, process) {
1172 req = &process->simcall;
1173 if (req->call != SIMCALL_NONE && !MC_request_is_visible(req))
1174 SIMIX_simcall_pre(req, 0);
1179 int MC_deadlock_check()
1181 int deadlock = FALSE;
1182 smx_process_t process;
1183 if(xbt_swag_size(simix_global->process_list)){
1185 xbt_swag_foreach(process, simix_global->process_list){
1186 if(process->simcall.call != SIMCALL_NONE
1187 && MC_request_is_enabled(&process->simcall)){
1197 * \brief Re-executes from the state at position start all the transitions indicated by
1198 * a given model-checker stack.
1199 * \param stack The stack with the transitions to execute.
1200 * \param start Start index to begin the re-execution.
1202 void MC_replay(xbt_fifo_t stack, int start)
1204 int raw_mem = (mmalloc_get_current_heap() == raw_heap);
1206 int value, i = 1, count = 1;
1208 smx_simcall_t req = NULL, saved_req = NULL;
1209 xbt_fifo_item_t item, start_item;
1211 smx_process_t process = NULL;
1212 int comm_pattern = 0;
1214 XBT_DEBUG("**** Begin Replay ****");
1217 /* Restore the initial state */
1218 MC_restore_snapshot(initial_state_safety->snapshot);
1219 /* At the moment of taking the snapshot the raw heap was set, so restoring
1220 * it will set it back again, we have to unset it to continue */
1224 start_item = xbt_fifo_get_last_item(stack);
1227 start_item = xbt_fifo_get_prev_item(start_item);
1233 xbt_dict_reset(first_enabled_state);
1234 xbt_swag_foreach(process, simix_global->process_list){
1235 if(MC_process_is_enabled(process)){
1236 char *key = bprintf("%lu", process->pid);
1237 char *data = bprintf("%d", count);
1238 xbt_dict_set(first_enabled_state, key, data, NULL);
1242 xbt_dynar_reset(communications_pattern);
1246 /* Traverse the stack from the state at position start and re-execute the transitions */
1247 for (item = start_item;
1248 item != xbt_fifo_get_first_item(stack);
1249 item = xbt_fifo_get_prev_item(item)) {
1251 state = (mc_state_t) xbt_fifo_get_item_content(item);
1252 saved_req = MC_state_get_executed_request(state, &value);
1255 char *key = bprintf("%lu", saved_req->issuer->pid);
1256 xbt_dict_remove(first_enabled_state, key);
1261 /* because we got a copy of the executed request, we have to fetch the
1262 real one, pointed by the request field of the issuer process */
1263 req = &saved_req->issuer->simcall;
1265 /* Debug information */
1266 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
1267 req_str = MC_request_to_string(req, value);
1268 XBT_DEBUG("Replay: %s (%p)", req_str, state);
1273 if(req->call == SIMCALL_COMM_ISEND)
1275 else if(req->call == SIMCALL_COMM_IRECV)
1278 SIMIX_simcall_pre(req, value);
1281 if(comm_pattern != 0){
1282 get_comm_pattern(communications_pattern, req, comm_pattern);
1288 MC_wait_for_requests();
1293 /* Insert in dict all enabled processes */
1294 xbt_swag_foreach(process, simix_global->process_list){
1295 if(MC_process_is_enabled(process) /*&& !MC_state_process_is_done(state, process)*/){
1296 char *key = bprintf("%lu", process->pid);
1297 if(xbt_dict_get_or_null(first_enabled_state, key) == NULL){
1298 char *data = bprintf("%d", count);
1299 xbt_dict_set(first_enabled_state, key, data, NULL);
1306 /* Update statistics */
1307 mc_stats->visited_states++;
1308 mc_stats->executed_transitions++;
1312 XBT_DEBUG("**** End Replay ****");
1322 void MC_replay_liveness(xbt_fifo_t stack, int all_stack)
1325 initial_state_liveness->raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1329 smx_simcall_t req = NULL, saved_req = NULL;
1330 xbt_fifo_item_t item;
1335 XBT_DEBUG("**** Begin Replay ****");
1337 /* Restore the initial state */
1338 MC_restore_snapshot(initial_state_liveness->snapshot);
1340 /* At the moment of taking the snapshot the raw heap was set, so restoring
1341 * it will set it back again, we have to unset it to continue */
1342 if(!initial_state_liveness->raw_mem_set)
1347 item = xbt_fifo_get_last_item(stack);
1349 while(depth <= xbt_fifo_size(stack)){
1351 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
1352 state = (mc_state_t) pair->graph_state;
1354 if(pair->requests > 0){
1356 saved_req = MC_state_get_executed_request(state, &value);
1357 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
1359 if(saved_req != NULL){
1360 /* because we got a copy of the executed request, we have to fetch the
1361 real one, pointed by the request field of the issuer process */
1362 req = &saved_req->issuer->simcall;
1363 //XBT_DEBUG("Req->call %u", req->call);
1365 /* Debug information */
1366 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
1367 req_str = MC_request_to_string(req, value);
1368 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
1374 SIMIX_simcall_pre(req, value);
1375 MC_wait_for_requests();
1380 /* Update statistics */
1381 mc_stats->visited_pairs++;
1382 mc_stats->executed_transitions++;
1384 item = xbt_fifo_get_prev_item(item);
1389 /* Traverse the stack from the initial state and re-execute the transitions */
1390 for (item = xbt_fifo_get_last_item(stack);
1391 item != xbt_fifo_get_first_item(stack);
1392 item = xbt_fifo_get_prev_item(item)) {
1394 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
1395 state = (mc_state_t) pair->graph_state;
1397 if(pair->requests > 0){
1399 saved_req = MC_state_get_executed_request(state, &value);
1400 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
1402 if(saved_req != NULL){
1403 /* because we got a copy of the executed request, we have to fetch the
1404 real one, pointed by the request field of the issuer process */
1405 req = &saved_req->issuer->simcall;
1406 //XBT_DEBUG("Req->call %u", req->call);
1408 /* Debug information */
1409 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
1410 req_str = MC_request_to_string(req, value);
1411 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
1417 SIMIX_simcall_pre(req, value);
1418 MC_wait_for_requests();
1423 /* Update statistics */
1424 mc_stats->visited_pairs++;
1425 mc_stats->executed_transitions++;
1429 XBT_DEBUG("**** End Replay ****");
1431 if(initial_state_liveness->raw_mem_set)
1439 * \brief Dumps the contents of a model-checker's stack and shows the actual
1441 * \param stack The stack to dump
1443 void MC_dump_stack_safety(xbt_fifo_t stack)
1446 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1448 MC_show_stack_safety(stack);
1450 if(!_sg_mc_checkpoint){
1455 while ((state = (mc_state_t) xbt_fifo_pop(stack)) != NULL)
1456 MC_state_delete(state);
1469 void MC_show_stack_safety(xbt_fifo_t stack)
1472 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1478 xbt_fifo_item_t item;
1480 char *req_str = NULL;
1482 for (item = xbt_fifo_get_last_item(stack);
1483 (item ? (state = (mc_state_t) (xbt_fifo_get_item_content(item)))
1484 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
1485 req = MC_state_get_executed_request(state, &value);
1487 req_str = MC_request_to_string(req, value);
1488 XBT_INFO("%s", req_str);
1497 void MC_show_deadlock(smx_simcall_t req)
1499 /*char *req_str = NULL;*/
1500 XBT_INFO("**************************");
1501 XBT_INFO("*** DEAD-LOCK DETECTED ***");
1502 XBT_INFO("**************************");
1503 XBT_INFO("Locked request:");
1504 /*req_str = MC_request_to_string(req);
1505 XBT_INFO("%s", req_str);
1506 xbt_free(req_str);*/
1507 XBT_INFO("Counter-example execution trace:");
1508 MC_dump_stack_safety(mc_stack_safety);
1509 MC_print_statistics(mc_stats);
1513 void MC_show_stack_liveness(xbt_fifo_t stack){
1516 xbt_fifo_item_t item;
1518 char *req_str = NULL;
1520 for (item = xbt_fifo_get_last_item(stack);
1521 (item ? (pair = (mc_pair_t) (xbt_fifo_get_item_content(item)))
1522 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
1523 req = MC_state_get_executed_request(pair->graph_state, &value);
1525 if(pair->requests>0){
1526 req_str = MC_request_to_string(req, value);
1527 XBT_INFO("%s", req_str);
1530 XBT_INFO("End of system requests but evolution in Büchi automaton");
1536 void MC_dump_stack_liveness(xbt_fifo_t stack){
1538 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1543 while ((pair = (mc_pair_t) xbt_fifo_pop(stack)) != NULL)
1544 MC_pair_delete(pair);
1553 void MC_print_statistics(mc_stats_t stats)
1555 if(stats->expanded_pairs == 0){
1556 XBT_INFO("Expanded states = %lu", stats->expanded_states);
1557 XBT_INFO("Visited states = %lu", stats->visited_states);
1559 XBT_INFO("Expanded pairs = %lu", stats->expanded_pairs);
1560 XBT_INFO("Visited pairs = %lu", stats->visited_pairs);
1562 XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
1564 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0')){
1565 fprintf(dot_output, "}\n");
1568 if(initial_state_safety != NULL){
1569 // XBT_INFO("Communication-deterministic : %s", !initial_state_safety->comm_deterministic ? "No" : "Yes");
1570 // XBT_INFO("Send-deterministic : %s", !initial_state_safety->send_deterministic ? "No" : "Yes");
1575 void MC_assert(int prop)
1577 if (MC_is_active() && !prop){
1578 XBT_INFO("**************************");
1579 XBT_INFO("*** PROPERTY NOT VALID ***");
1580 XBT_INFO("**************************");
1581 XBT_INFO("Counter-example execution trace:");
1582 MC_dump_stack_safety(mc_stack_safety);
1583 MC_print_statistics(mc_stats);
1589 user_max_depth_reached = 1;
1592 void MC_process_clock_add(smx_process_t process, double amount)
1594 mc_time[process->pid] += amount;
1597 double MC_process_clock_get(smx_process_t process)
1601 return mc_time[process->pid];
1609 void MC_automaton_load(const char *file){
1611 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1615 if (_mc_property_automaton == NULL)
1616 _mc_property_automaton = xbt_automaton_new();
1618 xbt_automaton_load(_mc_property_automaton,file);
1627 void MC_automaton_new_propositional_symbol(const char* id, void* fct) {
1629 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1633 if (_mc_property_automaton == NULL)
1634 _mc_property_automaton = xbt_automaton_new();
1636 xbt_automaton_propositional_symbol_new(_mc_property_automaton,id,fct);