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 static void MC_post_process_types(mc_object_info_t info);
24 XBT_LOG_NEW_CATEGORY(mc, "All MC categories");
25 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_global, mc,
26 "Logging specific to MC (global)");
28 /* Configuration support */
29 e_mc_reduce_t mc_reduce_kind=e_mc_reduce_unset;
31 int _sg_do_model_check = 0;
32 int _sg_mc_checkpoint=0;
33 char* _sg_mc_property_file=NULL;
35 int _sg_mc_max_depth=1000;
37 char *_sg_mc_dot_output_file = NULL;
39 int user_max_depth_reached = 0;
41 void _mc_cfg_cb_reduce(const char *name, int pos) {
42 if (_sg_cfg_init_status && !_sg_do_model_check) {
43 xbt_die("You are specifying a reduction strategy after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
45 char *val= xbt_cfg_get_string(_sg_cfg_set, name);
46 if (!strcasecmp(val,"none")) {
47 mc_reduce_kind = e_mc_reduce_none;
48 } else if (!strcasecmp(val,"dpor")) {
49 mc_reduce_kind = e_mc_reduce_dpor;
51 xbt_die("configuration option %s can only take 'none' or 'dpor' as a value",name);
55 void _mc_cfg_cb_checkpoint(const char *name, int pos) {
56 if (_sg_cfg_init_status && !_sg_do_model_check) {
57 xbt_die("You are specifying a checkpointing value after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
59 _sg_mc_checkpoint = xbt_cfg_get_int(_sg_cfg_set, name);
61 void _mc_cfg_cb_property(const char *name, int pos) {
62 if (_sg_cfg_init_status && !_sg_do_model_check) {
63 xbt_die("You are specifying a property after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
65 _sg_mc_property_file= xbt_cfg_get_string(_sg_cfg_set, name);
68 void _mc_cfg_cb_timeout(const char *name, int pos) {
69 if (_sg_cfg_init_status && !_sg_do_model_check) {
70 xbt_die("You are specifying a value to enable/disable timeout for wait requests after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
72 _sg_mc_timeout= xbt_cfg_get_boolean(_sg_cfg_set, name);
75 void _mc_cfg_cb_max_depth(const char *name, int pos) {
76 if (_sg_cfg_init_status && !_sg_do_model_check) {
77 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.");
79 _sg_mc_max_depth= xbt_cfg_get_int(_sg_cfg_set, name);
82 void _mc_cfg_cb_visited(const char *name, int pos) {
83 if (_sg_cfg_init_status && !_sg_do_model_check) {
84 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.");
86 _sg_mc_visited= xbt_cfg_get_int(_sg_cfg_set, name);
89 void _mc_cfg_cb_dot_output(const char *name, int pos) {
90 if (_sg_cfg_init_status && !_sg_do_model_check) {
91 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.");
93 _sg_mc_dot_output_file= xbt_cfg_get_string(_sg_cfg_set, name);
96 /* MC global data structures */
97 mc_state_t mc_current_state = NULL;
98 char mc_replay_mode = FALSE;
99 double *mc_time = NULL;
100 __thread mc_comparison_times_t mc_comp_times = NULL;
101 __thread double mc_snapshot_comparison_time;
102 mc_stats_t mc_stats = NULL;
105 xbt_fifo_t mc_stack_safety = NULL;
106 mc_global_t initial_state_safety = NULL;
109 xbt_fifo_t mc_stack_liveness = NULL;
110 mc_global_t initial_state_liveness = NULL;
113 xbt_automaton_t _mc_property_automaton = NULL;
116 mc_object_info_t mc_libsimgrid_info = NULL;
117 mc_object_info_t mc_binary_info = NULL;
119 /* Ignore mechanism */
120 xbt_dynar_t mc_stack_comparison_ignore;
121 xbt_dynar_t mc_data_bss_comparison_ignore;
122 extern xbt_dynar_t mc_heap_comparison_ignore;
123 extern xbt_dynar_t stacks_areas;
126 FILE *dot_output = NULL;
127 const char* colors[13];
130 /******************************* DWARF Information *******************************/
131 /**********************************************************************************/
133 /************************** Free functions *************************/
135 static void dw_location_free(dw_location_t l){
137 if(l->type == e_dw_loclist)
138 xbt_dynar_free(&(l->location.loclist));
139 else if(l->type == e_dw_compose)
140 xbt_dynar_free(&(l->location.compose));
141 else if(l->type == e_dw_arithmetic)
142 xbt_free(l->location.arithmetic);
148 static void dw_location_entry_free(dw_location_entry_t e){
149 dw_location_free(e->location);
153 void dw_type_free(dw_type_t t){
155 xbt_free(t->dw_type_id);
156 xbt_dynar_free(&(t->members));
160 static void dw_type_free_voidp(void *t){
161 dw_type_free((dw_type_t) * (void **) t);
164 void dw_variable_free(dw_variable_t v){
167 xbt_free(v->type_origin);
169 dw_location_free(v->address.location);
174 void dw_variable_free_voidp(void *t){
175 dw_variable_free((dw_variable_t) * (void **) t);
180 mc_object_info_t MC_new_object_info(void) {
181 mc_object_info_t res = xbt_new0(s_mc_object_info_t, 1);
182 res->local_variables = xbt_dict_new_homogeneous(NULL);
183 res->global_variables = xbt_dynar_new(sizeof(dw_variable_t), dw_variable_free_voidp);
184 res->types = xbt_dict_new_homogeneous(NULL);
188 void MC_free_object_info(mc_object_info_t* info) {
189 xbt_free(&(*info)->file_name);
190 xbt_dict_free(&(*info)->local_variables);
191 xbt_dynar_free(&(*info)->global_variables);
192 xbt_dict_free(&(*info)->types);
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);
438 static void MC_post_process_array_size(mc_object_info_t info, dw_type_t type) {
439 xbt_assert(type->dw_type_id, "No base type for array <%p>%s", type->id, type->name);
440 dw_type_t subtype = xbt_dict_get_or_null(info->types, type->dw_type_id);
441 xbt_assert(subtype, "Unkown base type <%s> for array <%p>%s", type->dw_type_id, type->id, type->name);
442 if(subtype->type==DW_TAG_array_type && type->byte_size==0) {
443 MC_post_process_array_size(info, subtype);
445 type->byte_size = type->element_count*subtype->byte_size;
448 static void MC_post_process_types(mc_object_info_t info) {
449 xbt_dict_cursor_t cursor;
452 xbt_dict_foreach(info->types, cursor, origin, type){
453 if(type->type==DW_TAG_array_type && type->byte_size==0)
454 MC_post_process_array_size(info, type);
458 /******************************* Ignore mechanism *******************************/
459 /*********************************************************************************/
461 xbt_dynar_t mc_checkpoint_ignore;
463 typedef struct s_mc_stack_ignore_variable{
466 }s_mc_stack_ignore_variable_t, *mc_stack_ignore_variable_t;
468 typedef struct s_mc_data_bss_ignore_variable{
470 }s_mc_data_bss_ignore_variable_t, *mc_data_bss_ignore_variable_t;
472 /**************************** Free functions ******************************/
474 static void stack_ignore_variable_free(mc_stack_ignore_variable_t v){
475 xbt_free(v->var_name);
480 static void stack_ignore_variable_free_voidp(void *v){
481 stack_ignore_variable_free((mc_stack_ignore_variable_t) * (void **) v);
484 void heap_ignore_region_free(mc_heap_ignore_region_t r){
488 void heap_ignore_region_free_voidp(void *r){
489 heap_ignore_region_free((mc_heap_ignore_region_t) * (void **) r);
492 static void data_bss_ignore_variable_free(mc_data_bss_ignore_variable_t v){
497 static void data_bss_ignore_variable_free_voidp(void *v){
498 data_bss_ignore_variable_free((mc_data_bss_ignore_variable_t) * (void **) v);
501 static void checkpoint_ignore_region_free(mc_checkpoint_ignore_region_t r){
505 static void checkpoint_ignore_region_free_voidp(void *r){
506 checkpoint_ignore_region_free((mc_checkpoint_ignore_region_t) * (void **) r);
509 /***********************************************************************/
511 void MC_ignore_heap(void *address, size_t size){
513 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
517 mc_heap_ignore_region_t region = NULL;
518 region = xbt_new0(s_mc_heap_ignore_region_t, 1);
519 region->address = address;
522 region->block = ((char*)address - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
524 if(((xbt_mheap_t)std_heap)->heapinfo[region->block].type == 0){
525 region->fragment = -1;
526 ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_block.ignore++;
528 region->fragment = ((uintptr_t) (ADDR2UINT (address) % (BLOCKSIZE))) >> ((xbt_mheap_t)std_heap)->heapinfo[region->block].type;
529 ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_frag.ignore[region->fragment]++;
532 if(mc_heap_comparison_ignore == NULL){
533 mc_heap_comparison_ignore = xbt_dynar_new(sizeof(mc_heap_ignore_region_t), heap_ignore_region_free_voidp);
534 xbt_dynar_push(mc_heap_comparison_ignore, ®ion);
540 unsigned int cursor = 0;
541 mc_heap_ignore_region_t current_region = NULL;
543 int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
546 cursor = (start + end) / 2;
547 current_region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
548 if(current_region->address == address){
549 heap_ignore_region_free(region);
553 }else if(current_region->address < address){
560 if(current_region->address < address)
561 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor + 1, ®ion);
563 xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor, ®ion);
569 void MC_remove_ignore_heap(void *address, size_t size){
571 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
575 unsigned int cursor = 0;
577 int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
578 mc_heap_ignore_region_t region;
579 int ignore_found = 0;
582 cursor = (start + end) / 2;
583 region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
584 if(region->address == address){
587 }else if(region->address < address){
590 if((char * )region->address <= ((char *)address + size)){
599 if(ignore_found == 1){
600 xbt_dynar_remove_at(mc_heap_comparison_ignore, cursor, NULL);
601 MC_remove_ignore_heap(address, size);
609 void MC_ignore_global_variable(const char *name){
611 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
615 if(mc_libsimgrid_info){
617 unsigned int cursor = 0;
618 dw_variable_t current_var;
620 int end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
623 cursor = (start + end) /2;
624 current_var = (dw_variable_t)xbt_dynar_get_as(mc_libsimgrid_info->global_variables, cursor, dw_variable_t);
625 if(strcmp(current_var->name, name) == 0){
626 xbt_dynar_remove_at(mc_libsimgrid_info->global_variables, cursor, NULL);
628 end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
629 }else if(strcmp(current_var->name, name) < 0){
638 if(mc_data_bss_comparison_ignore == NULL)
639 mc_data_bss_comparison_ignore = xbt_dynar_new(sizeof(mc_data_bss_ignore_variable_t), data_bss_ignore_variable_free_voidp);
641 mc_data_bss_ignore_variable_t var = NULL;
642 var = xbt_new0(s_mc_data_bss_ignore_variable_t, 1);
643 var->name = strdup(name);
645 if(xbt_dynar_is_empty(mc_data_bss_comparison_ignore)){
647 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, 0, &var);
651 unsigned int cursor = 0;
653 int end = xbt_dynar_length(mc_data_bss_comparison_ignore) - 1;
654 mc_data_bss_ignore_variable_t current_var = NULL;
657 cursor = (start + end) / 2;
658 current_var = (mc_data_bss_ignore_variable_t)xbt_dynar_get_as(mc_data_bss_comparison_ignore, cursor, mc_data_bss_ignore_variable_t);
659 if(strcmp(current_var->name, name) == 0){
660 data_bss_ignore_variable_free(var);
664 }else if(strcmp(current_var->name, name) < 0){
671 if(strcmp(current_var->name, name) < 0)
672 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor + 1, &var);
674 xbt_dynar_insert_at(mc_data_bss_comparison_ignore, cursor, &var);
683 void MC_ignore_local_variable(const char *var_name, const char *frame_name){
685 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
689 if(mc_libsimgrid_info){
690 unsigned int cursor = 0;
691 dw_variable_t current_var;
693 if(strcmp(frame_name, "*") == 0){ /* Remove variable in all frames */
694 xbt_dict_cursor_t dict_cursor;
695 char *current_frame_name;
697 xbt_dict_foreach(mc_libsimgrid_info->local_variables, dict_cursor, current_frame_name, frame){
699 end = xbt_dynar_length(frame->variables) - 1;
701 cursor = (start + end) / 2;
702 current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
703 if(strcmp(current_var->name, var_name) == 0){
704 xbt_dynar_remove_at(frame->variables, cursor, NULL);
706 end = xbt_dynar_length(frame->variables) - 1;
707 }else if(strcmp(current_var->name, var_name) < 0){
714 xbt_dict_foreach(mc_binary_info->local_variables, dict_cursor, current_frame_name, frame){
716 end = xbt_dynar_length(frame->variables) - 1;
718 cursor = (start + end) / 2;
719 current_var = (dw_variable_t)xbt_dynar_get_as(frame->variables, cursor, dw_variable_t);
720 if(strcmp(current_var->name, var_name) == 0){
721 xbt_dynar_remove_at(frame->variables, cursor, NULL);
723 end = xbt_dynar_length(frame->variables) - 1;
724 }else if(strcmp(current_var->name, var_name) < 0){
732 xbt_dynar_t variables_list = ((dw_frame_t)xbt_dict_get_or_null(
733 mc_libsimgrid_info->local_variables, frame_name))->variables;
735 end = xbt_dynar_length(variables_list) - 1;
737 cursor = (start + end) / 2;
738 current_var = (dw_variable_t)xbt_dynar_get_as(variables_list, cursor, dw_variable_t);
739 if(strcmp(current_var->name, var_name) == 0){
740 xbt_dynar_remove_at(variables_list, cursor, NULL);
742 end = xbt_dynar_length(variables_list) - 1;
743 }else if(strcmp(current_var->name, var_name) < 0){
752 if(mc_stack_comparison_ignore == NULL)
753 mc_stack_comparison_ignore = xbt_dynar_new(sizeof(mc_stack_ignore_variable_t), stack_ignore_variable_free_voidp);
755 mc_stack_ignore_variable_t var = NULL;
756 var = xbt_new0(s_mc_stack_ignore_variable_t, 1);
757 var->var_name = strdup(var_name);
758 var->frame = strdup(frame_name);
760 if(xbt_dynar_is_empty(mc_stack_comparison_ignore)){
762 xbt_dynar_insert_at(mc_stack_comparison_ignore, 0, &var);
766 unsigned int cursor = 0;
768 int end = xbt_dynar_length(mc_stack_comparison_ignore) - 1;
769 mc_stack_ignore_variable_t current_var = NULL;
772 cursor = (start + end) / 2;
773 current_var = (mc_stack_ignore_variable_t)xbt_dynar_get_as(mc_stack_comparison_ignore, cursor, mc_stack_ignore_variable_t);
774 if(strcmp(current_var->frame, frame_name) == 0){
775 if(strcmp(current_var->var_name, var_name) == 0){
776 stack_ignore_variable_free(var);
780 }else if(strcmp(current_var->var_name, var_name) < 0){
785 }else if(strcmp(current_var->frame, frame_name) < 0){
792 if(strcmp(current_var->frame, frame_name) == 0){
793 if(strcmp(current_var->var_name, var_name) < 0){
794 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
796 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
798 }else if(strcmp(current_var->frame, frame_name) < 0){
799 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor + 1, &var);
801 xbt_dynar_insert_at(mc_stack_comparison_ignore, cursor, &var);
811 void MC_new_stack_area(void *stack, char *name, void* context, size_t size){
813 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
817 if(stacks_areas == NULL)
818 stacks_areas = xbt_dynar_new(sizeof(stack_region_t), NULL);
820 stack_region_t region = NULL;
821 region = xbt_new0(s_stack_region_t, 1);
822 region->address = stack;
823 region->process_name = strdup(name);
824 region->context = context;
826 region->block = ((char*)stack - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
827 xbt_dynar_push(stacks_areas, ®ion);
833 void MC_ignore(void *addr, size_t size){
835 int raw_mem_set= (mmalloc_get_current_heap() == raw_heap);
839 if(mc_checkpoint_ignore == NULL)
840 mc_checkpoint_ignore = xbt_dynar_new(sizeof(mc_checkpoint_ignore_region_t), checkpoint_ignore_region_free_voidp);
842 mc_checkpoint_ignore_region_t region = xbt_new0(s_mc_checkpoint_ignore_region_t, 1);
846 if(xbt_dynar_is_empty(mc_checkpoint_ignore)){
847 xbt_dynar_push(mc_checkpoint_ignore, ®ion);
850 unsigned int cursor = 0;
852 int end = xbt_dynar_length(mc_checkpoint_ignore) -1;
853 mc_checkpoint_ignore_region_t current_region = NULL;
856 cursor = (start + end) / 2;
857 current_region = (mc_checkpoint_ignore_region_t)xbt_dynar_get_as(mc_checkpoint_ignore, cursor, mc_checkpoint_ignore_region_t);
858 if(current_region->addr == addr){
859 if(current_region->size == size){
860 checkpoint_ignore_region_free(region);
864 }else if(current_region->size < size){
869 }else if(current_region->addr < addr){
876 if(current_region->addr == addr){
877 if(current_region->size < size){
878 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
880 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
882 }else if(current_region->addr < addr){
883 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
885 xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
893 /******************************* Initialisation of MC *******************************/
894 /*********************************************************************************/
896 static void MC_dump_ignored_local_variables(void){
898 if(mc_stack_comparison_ignore == NULL || xbt_dynar_is_empty(mc_stack_comparison_ignore))
901 unsigned int cursor = 0;
902 mc_stack_ignore_variable_t current_var;
904 xbt_dynar_foreach(mc_stack_comparison_ignore, cursor, current_var){
905 MC_ignore_local_variable(current_var->var_name, current_var->frame);
908 xbt_dynar_free(&mc_stack_comparison_ignore);
909 mc_stack_comparison_ignore = NULL;
913 static void MC_dump_ignored_global_variables(void){
915 if(mc_data_bss_comparison_ignore == NULL || xbt_dynar_is_empty(mc_data_bss_comparison_ignore))
918 unsigned int cursor = 0;
919 mc_data_bss_ignore_variable_t current_var;
921 xbt_dynar_foreach(mc_data_bss_comparison_ignore, cursor, current_var){
922 MC_ignore_global_variable(current_var->name);
925 xbt_dynar_free(&mc_data_bss_comparison_ignore);
926 mc_data_bss_comparison_ignore = NULL;
930 static void MC_init_debug_info();
931 static void MC_init_debug_info() {
932 XBT_INFO("Get debug information ...");
934 memory_map_t maps = MC_get_memory_map();
936 /* Get local variables for state equality detection */
937 mc_binary_info = MC_find_object_info(maps, xbt_binary_name);
938 mc_libsimgrid_info = MC_find_object_info(maps, libsimgrid_path);
940 MC_free_memory_map(maps);
941 XBT_INFO("Get debug information done !");
946 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
950 /* Initialize the data structures that must be persistent across every
951 iteration of the model-checker (in RAW memory) */
955 MC_init_memory_map_info();
956 MC_init_debug_info();
958 /* Remove variables ignored before getting list of variables */
959 MC_dump_ignored_local_variables();
960 MC_dump_ignored_global_variables();
963 parmap = xbt_parmap_mc_new(xbt_os_get_numcores(), XBT_PARMAP_DEFAULT);
967 /* Ignore some variables from xbt/ex.h used by exception e for stacks comparison */
968 MC_ignore_local_variable("e", "*");
969 MC_ignore_local_variable("__ex_cleanup", "*");
970 MC_ignore_local_variable("__ex_mctx_en", "*");
971 MC_ignore_local_variable("__ex_mctx_me", "*");
972 MC_ignore_local_variable("__xbt_ex_ctx_ptr", "*");
973 MC_ignore_local_variable("_log_ev", "*");
974 MC_ignore_local_variable("_throw_ctx", "*");
975 MC_ignore_local_variable("ctx", "*");
977 MC_ignore_local_variable("next_context", "smx_ctx_sysv_suspend_serial");
978 MC_ignore_local_variable("i", "smx_ctx_sysv_suspend_serial");
980 /* Ignore local variable about time used for tracing */
981 MC_ignore_local_variable("start_time", "*");
983 MC_ignore_global_variable("mc_comp_times");
984 MC_ignore_global_variable("mc_snapshot_comparison_time");
985 MC_ignore_global_variable("mc_time");
986 MC_ignore_global_variable("smpi_current_rank");
987 MC_ignore_global_variable("counter"); /* Static variable used for tracing */
988 MC_ignore_global_variable("maestro_stack_start");
989 MC_ignore_global_variable("maestro_stack_end");
991 MC_ignore_heap(&(simix_global->process_to_run), sizeof(simix_global->process_to_run));
992 MC_ignore_heap(&(simix_global->process_that_ran), sizeof(simix_global->process_that_ran));
993 MC_ignore_heap(simix_global->process_to_run, sizeof(*(simix_global->process_to_run)));
994 MC_ignore_heap(simix_global->process_that_ran, sizeof(*(simix_global->process_that_ran)));
996 smx_process_t process;
997 xbt_swag_foreach(process, simix_global->process_list){
998 MC_ignore_heap(&(process->process_hookup), sizeof(process->process_hookup));
1006 static void MC_init_dot_output(){ /* FIXME : more colors */
1010 colors[2] = "green3";
1011 colors[3] = "goldenrod";
1012 colors[4] = "brown";
1013 colors[5] = "purple";
1014 colors[6] = "magenta";
1015 colors[7] = "turquoise4";
1016 colors[8] = "gray25";
1017 colors[9] = "forestgreen";
1018 colors[10] = "hotpink";
1019 colors[11] = "lightblue";
1022 dot_output = fopen(_sg_mc_dot_output_file, "w");
1024 if(dot_output == NULL){
1025 perror("Error open dot output file");
1029 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");
1033 /******************************* Core of MC *******************************/
1034 /**************************************************************************/
1036 void MC_do_the_modelcheck_for_real() {
1039 mc_comp_times = xbt_new0(s_mc_comparison_times_t, 1);
1042 if (!_sg_mc_property_file || _sg_mc_property_file[0]=='\0') {
1043 if (mc_reduce_kind==e_mc_reduce_unset)
1044 mc_reduce_kind=e_mc_reduce_dpor;
1046 XBT_INFO("Check a safety property");
1047 MC_modelcheck_safety();
1051 if (mc_reduce_kind==e_mc_reduce_unset)
1052 mc_reduce_kind=e_mc_reduce_none;
1054 XBT_INFO("Check the liveness property %s",_sg_mc_property_file);
1055 MC_automaton_load(_sg_mc_property_file);
1056 MC_modelcheck_liveness();
1060 void MC_modelcheck_safety(void)
1062 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1064 /* Check if MC is already initialized */
1065 if (initial_state_safety)
1068 mc_time = xbt_new0(double, simix_process_maxpid);
1070 /* mc_time refers to clock for each process -> ignore it for heap comparison */
1071 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
1073 /* Initialize the data structures that must be persistent across every
1074 iteration of the model-checker (in RAW memory) */
1078 /* Initialize statistics */
1079 mc_stats = xbt_new0(s_mc_stats_t, 1);
1080 mc_stats->state_size = 1;
1082 /* Create exploration stack */
1083 mc_stack_safety = xbt_fifo_new();
1085 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
1086 MC_init_dot_output();
1090 if(_sg_mc_visited > 0){
1094 MC_init_memory_map_info();
1095 MC_init_debug_info();
1102 /* Save the initial state */
1103 initial_state_safety = xbt_new0(s_mc_global_t, 1);
1104 initial_state_safety->snapshot = MC_take_snapshot(0);
1105 initial_state_safety->initial_communications_pattern_done = 0;
1106 initial_state_safety->comm_deterministic = 1;
1107 initial_state_safety->send_deterministic = 1;
1119 void MC_modelcheck_liveness(){
1121 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1125 mc_time = xbt_new0(double, simix_process_maxpid);
1127 /* mc_time refers to clock for each process -> ignore it for heap comparison */
1128 MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
1132 /* Initialize statistics */
1133 mc_stats = xbt_new0(s_mc_stats_t, 1);
1134 mc_stats->state_size = 1;
1136 /* Create exploration stack */
1137 mc_stack_liveness = xbt_fifo_new();
1139 /* Create the initial state */
1140 initial_state_liveness = xbt_new0(s_mc_global_t, 1);
1142 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
1143 MC_init_dot_output();
1150 MC_print_statistics(mc_stats);
1167 int SIMIX_pre_mc_random(smx_simcall_t simcall, int min, int max){
1169 return simcall->mc_value;
1173 int MC_random(int min, int max)
1175 /*FIXME: return mc_current_state->executed_transition->random.value;*/
1176 return simcall_mc_random(min, max);
1180 * \brief Schedules all the process that are ready to run
1182 void MC_wait_for_requests(void)
1184 smx_process_t process;
1188 while (!xbt_dynar_is_empty(simix_global->process_to_run)) {
1189 SIMIX_process_runall();
1190 xbt_dynar_foreach(simix_global->process_that_ran, iter, process) {
1191 req = &process->simcall;
1192 if (req->call != SIMCALL_NONE && !MC_request_is_visible(req))
1193 SIMIX_simcall_pre(req, 0);
1198 int MC_deadlock_check()
1200 int deadlock = FALSE;
1201 smx_process_t process;
1202 if(xbt_swag_size(simix_global->process_list)){
1204 xbt_swag_foreach(process, simix_global->process_list){
1205 if(process->simcall.call != SIMCALL_NONE
1206 && MC_request_is_enabled(&process->simcall)){
1216 * \brief Re-executes from the state at position start all the transitions indicated by
1217 * a given model-checker stack.
1218 * \param stack The stack with the transitions to execute.
1219 * \param start Start index to begin the re-execution.
1221 void MC_replay(xbt_fifo_t stack, int start)
1223 int raw_mem = (mmalloc_get_current_heap() == raw_heap);
1225 int value, i = 1, count = 1;
1227 smx_simcall_t req = NULL, saved_req = NULL;
1228 xbt_fifo_item_t item, start_item;
1230 smx_process_t process = NULL;
1231 int comm_pattern = 0;
1233 XBT_DEBUG("**** Begin Replay ****");
1236 /* Restore the initial state */
1237 MC_restore_snapshot(initial_state_safety->snapshot);
1238 /* At the moment of taking the snapshot the raw heap was set, so restoring
1239 * it will set it back again, we have to unset it to continue */
1243 start_item = xbt_fifo_get_last_item(stack);
1246 start_item = xbt_fifo_get_prev_item(start_item);
1252 xbt_dict_reset(first_enabled_state);
1253 xbt_swag_foreach(process, simix_global->process_list){
1254 if(MC_process_is_enabled(process)){
1255 char *key = bprintf("%lu", process->pid);
1256 char *data = bprintf("%d", count);
1257 xbt_dict_set(first_enabled_state, key, data, NULL);
1261 xbt_dynar_reset(communications_pattern);
1265 /* Traverse the stack from the state at position start and re-execute the transitions */
1266 for (item = start_item;
1267 item != xbt_fifo_get_first_item(stack);
1268 item = xbt_fifo_get_prev_item(item)) {
1270 state = (mc_state_t) xbt_fifo_get_item_content(item);
1271 saved_req = MC_state_get_executed_request(state, &value);
1274 char *key = bprintf("%lu", saved_req->issuer->pid);
1275 xbt_dict_remove(first_enabled_state, key);
1280 /* because we got a copy of the executed request, we have to fetch the
1281 real one, pointed by the request field of the issuer process */
1282 req = &saved_req->issuer->simcall;
1284 /* Debug information */
1285 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
1286 req_str = MC_request_to_string(req, value);
1287 XBT_DEBUG("Replay: %s (%p)", req_str, state);
1292 if(req->call == SIMCALL_COMM_ISEND)
1294 else if(req->call == SIMCALL_COMM_IRECV)
1297 SIMIX_simcall_pre(req, value);
1300 if(comm_pattern != 0){
1301 get_comm_pattern(communications_pattern, req, comm_pattern);
1307 MC_wait_for_requests();
1312 /* Insert in dict all enabled processes */
1313 xbt_swag_foreach(process, simix_global->process_list){
1314 if(MC_process_is_enabled(process) /*&& !MC_state_process_is_done(state, process)*/){
1315 char *key = bprintf("%lu", process->pid);
1316 if(xbt_dict_get_or_null(first_enabled_state, key) == NULL){
1317 char *data = bprintf("%d", count);
1318 xbt_dict_set(first_enabled_state, key, data, NULL);
1325 /* Update statistics */
1326 mc_stats->visited_states++;
1327 mc_stats->executed_transitions++;
1331 XBT_DEBUG("**** End Replay ****");
1341 void MC_replay_liveness(xbt_fifo_t stack, int all_stack)
1344 initial_state_liveness->raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1348 smx_simcall_t req = NULL, saved_req = NULL;
1349 xbt_fifo_item_t item;
1354 XBT_DEBUG("**** Begin Replay ****");
1356 /* Restore the initial state */
1357 MC_restore_snapshot(initial_state_liveness->snapshot);
1359 /* At the moment of taking the snapshot the raw heap was set, so restoring
1360 * it will set it back again, we have to unset it to continue */
1361 if(!initial_state_liveness->raw_mem_set)
1366 item = xbt_fifo_get_last_item(stack);
1368 while(depth <= xbt_fifo_size(stack)){
1370 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
1371 state = (mc_state_t) pair->graph_state;
1373 if(pair->requests > 0){
1375 saved_req = MC_state_get_executed_request(state, &value);
1376 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
1378 if(saved_req != NULL){
1379 /* because we got a copy of the executed request, we have to fetch the
1380 real one, pointed by the request field of the issuer process */
1381 req = &saved_req->issuer->simcall;
1382 //XBT_DEBUG("Req->call %u", req->call);
1384 /* Debug information */
1385 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
1386 req_str = MC_request_to_string(req, value);
1387 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
1393 SIMIX_simcall_pre(req, value);
1394 MC_wait_for_requests();
1399 /* Update statistics */
1400 mc_stats->visited_pairs++;
1401 mc_stats->executed_transitions++;
1403 item = xbt_fifo_get_prev_item(item);
1408 /* Traverse the stack from the initial state and re-execute the transitions */
1409 for (item = xbt_fifo_get_last_item(stack);
1410 item != xbt_fifo_get_first_item(stack);
1411 item = xbt_fifo_get_prev_item(item)) {
1413 pair = (mc_pair_t) xbt_fifo_get_item_content(item);
1414 state = (mc_state_t) pair->graph_state;
1416 if(pair->requests > 0){
1418 saved_req = MC_state_get_executed_request(state, &value);
1419 //XBT_DEBUG("SavedReq->call %u", saved_req->call);
1421 if(saved_req != NULL){
1422 /* because we got a copy of the executed request, we have to fetch the
1423 real one, pointed by the request field of the issuer process */
1424 req = &saved_req->issuer->simcall;
1425 //XBT_DEBUG("Req->call %u", req->call);
1427 /* Debug information */
1428 if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
1429 req_str = MC_request_to_string(req, value);
1430 XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
1436 SIMIX_simcall_pre(req, value);
1437 MC_wait_for_requests();
1442 /* Update statistics */
1443 mc_stats->visited_pairs++;
1444 mc_stats->executed_transitions++;
1448 XBT_DEBUG("**** End Replay ****");
1450 if(initial_state_liveness->raw_mem_set)
1458 * \brief Dumps the contents of a model-checker's stack and shows the actual
1460 * \param stack The stack to dump
1462 void MC_dump_stack_safety(xbt_fifo_t stack)
1465 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1467 MC_show_stack_safety(stack);
1469 if(!_sg_mc_checkpoint){
1474 while ((state = (mc_state_t) xbt_fifo_pop(stack)) != NULL)
1475 MC_state_delete(state);
1488 void MC_show_stack_safety(xbt_fifo_t stack)
1491 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1497 xbt_fifo_item_t item;
1499 char *req_str = NULL;
1501 for (item = xbt_fifo_get_last_item(stack);
1502 (item ? (state = (mc_state_t) (xbt_fifo_get_item_content(item)))
1503 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
1504 req = MC_state_get_executed_request(state, &value);
1506 req_str = MC_request_to_string(req, value);
1507 XBT_INFO("%s", req_str);
1516 void MC_show_deadlock(smx_simcall_t req)
1518 /*char *req_str = NULL;*/
1519 XBT_INFO("**************************");
1520 XBT_INFO("*** DEAD-LOCK DETECTED ***");
1521 XBT_INFO("**************************");
1522 XBT_INFO("Locked request:");
1523 /*req_str = MC_request_to_string(req);
1524 XBT_INFO("%s", req_str);
1525 xbt_free(req_str);*/
1526 XBT_INFO("Counter-example execution trace:");
1527 MC_dump_stack_safety(mc_stack_safety);
1528 MC_print_statistics(mc_stats);
1532 void MC_show_stack_liveness(xbt_fifo_t stack){
1535 xbt_fifo_item_t item;
1537 char *req_str = NULL;
1539 for (item = xbt_fifo_get_last_item(stack);
1540 (item ? (pair = (mc_pair_t) (xbt_fifo_get_item_content(item)))
1541 : (NULL)); item = xbt_fifo_get_prev_item(item)) {
1542 req = MC_state_get_executed_request(pair->graph_state, &value);
1544 if(pair->requests>0){
1545 req_str = MC_request_to_string(req, value);
1546 XBT_INFO("%s", req_str);
1549 XBT_INFO("End of system requests but evolution in Büchi automaton");
1555 void MC_dump_stack_liveness(xbt_fifo_t stack){
1557 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1562 while ((pair = (mc_pair_t) xbt_fifo_pop(stack)) != NULL)
1563 MC_pair_delete(pair);
1572 void MC_print_statistics(mc_stats_t stats)
1574 if(stats->expanded_pairs == 0){
1575 XBT_INFO("Expanded states = %lu", stats->expanded_states);
1576 XBT_INFO("Visited states = %lu", stats->visited_states);
1578 XBT_INFO("Expanded pairs = %lu", stats->expanded_pairs);
1579 XBT_INFO("Visited pairs = %lu", stats->visited_pairs);
1581 XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
1583 if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0')){
1584 fprintf(dot_output, "}\n");
1587 if(initial_state_safety != NULL){
1588 // XBT_INFO("Communication-deterministic : %s", !initial_state_safety->comm_deterministic ? "No" : "Yes");
1589 // XBT_INFO("Send-deterministic : %s", !initial_state_safety->send_deterministic ? "No" : "Yes");
1594 void MC_assert(int prop)
1596 if (MC_is_active() && !prop){
1597 XBT_INFO("**************************");
1598 XBT_INFO("*** PROPERTY NOT VALID ***");
1599 XBT_INFO("**************************");
1600 XBT_INFO("Counter-example execution trace:");
1601 MC_dump_stack_safety(mc_stack_safety);
1602 MC_print_statistics(mc_stats);
1608 user_max_depth_reached = 1;
1611 void MC_process_clock_add(smx_process_t process, double amount)
1613 mc_time[process->pid] += amount;
1616 double MC_process_clock_get(smx_process_t process)
1620 return mc_time[process->pid];
1628 void MC_automaton_load(const char *file){
1630 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1634 if (_mc_property_automaton == NULL)
1635 _mc_property_automaton = xbt_automaton_new();
1637 xbt_automaton_load(_mc_property_automaton,file);
1646 void MC_automaton_new_propositional_symbol(const char* id, void* fct) {
1648 int raw_mem_set = (mmalloc_get_current_heap() == raw_heap);
1652 if (_mc_property_automaton == NULL)
1653 _mc_property_automaton = xbt_automaton_new();
1655 xbt_automaton_propositional_symbol_new(_mc_property_automaton,id,fct);