"Logging specific to MC (global)");
/* Configuration support */
-e_mc_reduce_t mc_reduce_kind=e_mc_reduce_unset;
+e_mc_reduce_t mc_reduce_kind = e_mc_reduce_unset;
int _sg_do_model_check = 0;
-int _sg_mc_checkpoint=0;
-char* _sg_mc_property_file=NULL;
-int _sg_mc_timeout=0;
-int _sg_mc_hash=0;
-int _sg_mc_max_depth=1000;
-int _sg_mc_visited=0;
+int _sg_mc_checkpoint = 0;
+char *_sg_mc_property_file = NULL;
+int _sg_mc_timeout = 0;
+int _sg_mc_hash = 0;
+int _sg_mc_max_depth = 1000;
+int _sg_mc_visited = 0;
char *_sg_mc_dot_output_file = NULL;
-int _sg_mc_comms_determinism=0;
-int _sg_mc_send_determinism=0;
+int _sg_mc_comms_determinism = 0;
+int _sg_mc_send_determinism = 0;
+int _sg_mc_safety = 0;
+int _sg_mc_liveness = 0;
int user_max_depth_reached = 0;
-void _mc_cfg_cb_reduce(const char *name, int pos) {
+void _mc_cfg_cb_reduce(const char *name, int pos)
+{
if (_sg_cfg_init_status && !_sg_do_model_check) {
- 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.");
+ 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.");
}
- char *val= xbt_cfg_get_string(_sg_cfg_set, name);
- if (!strcasecmp(val,"none")) {
+ char *val = xbt_cfg_get_string(_sg_cfg_set, name);
+ if (!strcasecmp(val, "none")) {
mc_reduce_kind = e_mc_reduce_none;
- } else if (!strcasecmp(val,"dpor")) {
+ } else if (!strcasecmp(val, "dpor")) {
mc_reduce_kind = e_mc_reduce_dpor;
} else {
- xbt_die("configuration option %s can only take 'none' or 'dpor' as a value",name);
+ xbt_die("configuration option %s can only take 'none' or 'dpor' as a value",
+ name);
}
}
-void _mc_cfg_cb_checkpoint(const char *name, int pos) {
+void _mc_cfg_cb_checkpoint(const char *name, int pos)
+{
if (_sg_cfg_init_status && !_sg_do_model_check) {
- 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.");
+ 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.");
}
_sg_mc_checkpoint = xbt_cfg_get_int(_sg_cfg_set, name);
}
-void _mc_cfg_cb_property(const char *name, int pos) {
+
+void _mc_cfg_cb_property(const char *name, int pos)
+{
if (_sg_cfg_init_status && !_sg_do_model_check) {
- 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.");
+ 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.");
}
- _sg_mc_property_file= xbt_cfg_get_string(_sg_cfg_set, name);
+ _sg_mc_property_file = xbt_cfg_get_string(_sg_cfg_set, name);
}
-void _mc_cfg_cb_timeout(const char *name, int pos) {
+void _mc_cfg_cb_timeout(const char *name, int pos)
+{
if (_sg_cfg_init_status && !_sg_do_model_check) {
- 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.");
+ 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.");
}
- _sg_mc_timeout= xbt_cfg_get_boolean(_sg_cfg_set, name);
+ _sg_mc_timeout = xbt_cfg_get_boolean(_sg_cfg_set, name);
}
-void _mc_cfg_cb_hash(const char *name, int pos) {
+void _mc_cfg_cb_hash(const char *name, int pos)
+{
if (_sg_cfg_init_status && !_sg_do_model_check) {
- xbt_die("You are specifying a value to enable/disable the use of global hash to speedup state comparaison, but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
+ xbt_die
+ ("You are specifying a value to enable/disable the use of global hash to speedup state comparaison, but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
}
- _sg_mc_hash= xbt_cfg_get_boolean(_sg_cfg_set, name);
+ _sg_mc_hash = xbt_cfg_get_boolean(_sg_cfg_set, name);
}
-void _mc_cfg_cb_max_depth(const char *name, int pos) {
+void _mc_cfg_cb_max_depth(const char *name, int pos)
+{
if (_sg_cfg_init_status && !_sg_do_model_check) {
- 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.");
+ 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.");
}
- _sg_mc_max_depth= xbt_cfg_get_int(_sg_cfg_set, name);
+ _sg_mc_max_depth = xbt_cfg_get_int(_sg_cfg_set, name);
}
-void _mc_cfg_cb_visited(const char *name, int pos) {
+void _mc_cfg_cb_visited(const char *name, int pos)
+{
if (_sg_cfg_init_status && !_sg_do_model_check) {
- 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.");
+ 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.");
}
- _sg_mc_visited= xbt_cfg_get_int(_sg_cfg_set, name);
+ _sg_mc_visited = xbt_cfg_get_int(_sg_cfg_set, name);
}
-void _mc_cfg_cb_dot_output(const char *name, int pos) {
+void _mc_cfg_cb_dot_output(const char *name, int pos)
+{
if (_sg_cfg_init_status && !_sg_do_model_check) {
- 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.");
+ 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.");
}
- _sg_mc_dot_output_file= xbt_cfg_get_string(_sg_cfg_set, name);
+ _sg_mc_dot_output_file = xbt_cfg_get_string(_sg_cfg_set, name);
}
-void _mc_cfg_cb_comms_determinism(const char *name, int pos) {
+void _mc_cfg_cb_comms_determinism(const char *name, int pos)
+{
if (_sg_cfg_init_status && !_sg_do_model_check) {
- 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.");
+ 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.");
}
- _sg_mc_comms_determinism= xbt_cfg_get_boolean(_sg_cfg_set, name);
+ _sg_mc_comms_determinism = xbt_cfg_get_boolean(_sg_cfg_set, name);
}
-void _mc_cfg_cb_send_determinism(const char *name, int pos) {
+void _mc_cfg_cb_send_determinism(const char *name, int pos)
+{
if (_sg_cfg_init_status && !_sg_do_model_check) {
- xbt_die("You are specifying a value to enable/disable the detection of send-determinism in the communications schemes after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
+ xbt_die
+ ("You are specifying a value to enable/disable the detection of send-determinism in the communications schemes after the initialization (through MSG_config?), but model-checking was not activated at config time (through --cfg=model-check:1). This won't work, sorry.");
}
- _sg_mc_send_determinism= xbt_cfg_get_boolean(_sg_cfg_set, name);
+ _sg_mc_send_determinism = xbt_cfg_get_boolean(_sg_cfg_set, name);
}
/* MC global data structures */
__thread mc_comparison_times_t mc_comp_times = NULL;
__thread double mc_snapshot_comparison_time;
mc_stats_t mc_stats = NULL;
-
-/* Safety */
-xbt_fifo_t mc_stack_safety = NULL;
-mc_global_t initial_state_safety = NULL;
+mc_global_t initial_global_state = NULL;
+xbt_fifo_t mc_stack = NULL;
/* Liveness */
-xbt_fifo_t mc_stack_liveness = NULL;
-mc_global_t initial_state_liveness = NULL;
-int compare;
-
xbt_automaton_t _mc_property_automaton = NULL;
/* Variables */
mc_object_info_t mc_binary_info = NULL;
mc_object_info_t mc_object_infos[2] = { NULL, NULL };
-size_t mc_object_infos_size = 2;
-/* Ignore mechanism */
-extern xbt_dynar_t mc_heap_comparison_ignore;
-extern xbt_dynar_t stacks_areas;
+size_t mc_object_infos_size = 2;
/* Dot output */
FILE *dot_output = NULL;
-const char* colors[13];
-
-
-/******************************* DWARF Information *******************************/
-/**********************************************************************************/
-
-/************************** Free functions *************************/
-
-void mc_frame_free(dw_frame_t frame){
- xbt_free(frame->name);
- mc_dwarf_location_list_clear(&(frame->frame_base));
- xbt_dynar_free(&(frame->variables));
- xbt_dynar_free(&(frame->scopes));
- xbt_free(frame);
-}
-
-void dw_type_free(dw_type_t t){
- xbt_free(t->name);
- xbt_free(t->dw_type_id);
- xbt_dynar_free(&(t->members));
- mc_dwarf_expression_clear(&t->location);
- xbt_free(t);
-}
-
-void dw_variable_free(dw_variable_t v){
- if(v){
- xbt_free(v->name);
- xbt_free(v->type_origin);
-
- if(v->locations.locations)
- mc_dwarf_location_list_clear(&v->locations);
- xbt_free(v);
- }
-}
-
-void dw_variable_free_voidp(void *t){
- dw_variable_free((dw_variable_t) * (void **) t);
-}
-
-// ***** object_info
-
-
-
-mc_object_info_t MC_new_object_info(void) {
- mc_object_info_t res = xbt_new0(s_mc_object_info_t, 1);
- res->subprograms = xbt_dict_new_homogeneous((void (*)(void*))mc_frame_free);
- res->global_variables = xbt_dynar_new(sizeof(dw_variable_t), dw_variable_free_voidp);
- res->types = xbt_dict_new_homogeneous((void (*)(void*))dw_type_free);
- res->full_types_by_name = xbt_dict_new_homogeneous(NULL);
- return res;
-}
-
-void MC_free_object_info(mc_object_info_t* info) {
- xbt_free(&(*info)->file_name);
- xbt_dict_free(&(*info)->subprograms);
- xbt_dynar_free(&(*info)->global_variables);
- xbt_dict_free(&(*info)->types);
- xbt_dict_free(&(*info)->full_types_by_name);
- xbt_free(info);
- xbt_dynar_free(&(*info)->functions_index);
- *info = NULL;
-}
-
-// ***** Helpers
-
-void* MC_object_base_address(mc_object_info_t info) {
- if(info->flags & MC_OBJECT_INFO_EXECUTABLE)
- return 0;
- void* result = info->start_exec;
- if(info->start_rw!=NULL && result > (void*) info->start_rw) result = info->start_rw;
- if(info->start_ro!=NULL && result > (void*) info->start_ro) result = info->start_ro;
- return result;
-}
-
-// ***** Functions index
-
-static int MC_compare_frame_index_items(mc_function_index_item_t a, mc_function_index_item_t b) {
- if(a->low_pc < b->low_pc)
- return -1;
- else if(a->low_pc == b->low_pc)
- return 0;
- else
- return 1;
-}
-
-static void MC_make_functions_index(mc_object_info_t info) {
- xbt_dynar_t index = xbt_dynar_new(sizeof(s_mc_function_index_item_t), NULL);
-
- // Populate the array:
- dw_frame_t frame = NULL;
- xbt_dict_cursor_t cursor;
- char* key;
- xbt_dict_foreach(info->subprograms, cursor, key, frame) {
- if(frame->low_pc==NULL)
- continue;
- s_mc_function_index_item_t entry;
- entry.low_pc = frame->low_pc;
- entry.high_pc = frame->high_pc;
- entry.function = frame;
- xbt_dynar_push(index, &entry);
- }
-
- mc_function_index_item_t base = (mc_function_index_item_t) xbt_dynar_get_ptr(index, 0);
-
- // Sort the array by low_pc:
- qsort(base,
- xbt_dynar_length(index),
- sizeof(s_mc_function_index_item_t),
- (int (*)(const void *, const void *))MC_compare_frame_index_items);
-
- info->functions_index = index;
-}
-
-mc_object_info_t MC_ip_find_object_info(void* ip) {
- size_t i;
- for(i=0; i!=mc_object_infos_size; ++i) {
- if(ip >= (void*)mc_object_infos[i]->start_exec && ip <= (void*)mc_object_infos[i]->end_exec) {
- return mc_object_infos[i];
- }
- }
- return NULL;
-}
-
-static dw_frame_t MC_find_function_by_ip_and_object(void* ip, mc_object_info_t info) {
- xbt_dynar_t dynar = info->functions_index;
- mc_function_index_item_t base = (mc_function_index_item_t) xbt_dynar_get_ptr(dynar, 0);
- int i = 0;
- int j = xbt_dynar_length(dynar) - 1;
- while(j>=i) {
- int k = i + ((j-i)/2);
- if(ip < base[k].low_pc) {
- j = k-1;
- } else if(ip >= base[k].high_pc) {
- i = k+1;
- } else {
- return base[k].function;
- }
- }
- return NULL;
-}
-
-dw_frame_t MC_find_function_by_ip(void* ip) {
- mc_object_info_t info = MC_ip_find_object_info(ip);
- if(info==NULL)
- return NULL;
- else
- return MC_find_function_by_ip_and_object(ip, info);
-}
-
-static void MC_post_process_variables(mc_object_info_t info) {
- unsigned cursor = 0;
- dw_variable_t variable = NULL;
- xbt_dynar_foreach(info->global_variables, cursor, variable) {
- if(variable->type_origin) {
- variable->type = xbt_dict_get_or_null(info->types, variable->type_origin);
- }
- }
-}
-
-static void mc_post_process_scope(mc_object_info_t info, dw_frame_t scope) {
-
- if(scope->tag == DW_TAG_inlined_subroutine) {
-
- // Attach correct namespaced name in inlined subroutine:
- char* key = bprintf("%" PRIx64, (uint64_t) scope->abstract_origin_id);
- dw_frame_t abstract_origin = xbt_dict_get_or_null(info->subprograms, key);
- xbt_assert(abstract_origin, "Could not lookup abstract origin %s", key);
- xbt_free(key);
- scope->name = xbt_strdup(abstract_origin->name);
-
- }
-
- // Direct:
- unsigned cursor = 0;
- dw_variable_t variable = NULL;
- xbt_dynar_foreach(scope->variables, cursor, variable) {
- if(variable->type_origin) {
- variable->type = xbt_dict_get_or_null(info->types, variable->type_origin);
- }
- }
-
- // Recursive post-processing of nested-scopes:
- dw_frame_t nested_scope = NULL;
- xbt_dynar_foreach(scope->scopes, cursor, nested_scope)
- mc_post_process_scope(info, nested_scope);
-
-}
-
-static void MC_post_process_functions(mc_object_info_t info) {
- xbt_dict_cursor_t cursor;
- char* key;
- dw_frame_t subprogram = NULL;
- xbt_dict_foreach(info->subprograms, cursor, key, subprogram) {
- mc_post_process_scope(info, subprogram);
- }
-}
-
-/** \brief Finds informations about a given shared object/executable */
-mc_object_info_t MC_find_object_info(memory_map_t maps, char* name, int executable) {
- mc_object_info_t result = MC_new_object_info();
- if(executable)
- result->flags |= MC_OBJECT_INFO_EXECUTABLE;
- result->file_name = xbt_strdup(name);
- MC_find_object_address(maps, result);
- MC_dwarf_get_variables(result);
- MC_post_process_types(result);
- MC_post_process_variables(result);
- MC_post_process_functions(result);
- MC_make_functions_index(result);
- return result;
-}
-
-/*************************************************************************/
-
-static int MC_dwarf_get_variable_index(xbt_dynar_t variables, char* var, void *address){
-
- if(xbt_dynar_is_empty(variables))
- return 0;
-
- unsigned int cursor = 0;
- int start = 0;
- int end = xbt_dynar_length(variables) - 1;
- dw_variable_t var_test = NULL;
-
- while(start <= end){
- cursor = (start + end) / 2;
- var_test = (dw_variable_t)xbt_dynar_get_as(variables, cursor, dw_variable_t);
- if(strcmp(var_test->name, var) < 0){
- start = cursor + 1;
- }else if(strcmp(var_test->name, var) > 0){
- end = cursor - 1;
- }else{
- if(address){ /* global variable */
- if(var_test->address == address)
- return -1;
- if(var_test->address > address)
- end = cursor - 1;
- else
- start = cursor + 1;
- }else{ /* local variable */
- return -1;
- }
- }
- }
-
- if(strcmp(var_test->name, var) == 0){
- if(address && var_test->address < address)
- return cursor+1;
- else
- return cursor;
- }else if(strcmp(var_test->name, var) < 0)
- return cursor+1;
- else
- return cursor;
-
-}
-
-void MC_dwarf_register_global_variable(mc_object_info_t info, dw_variable_t variable) {
- int index = MC_dwarf_get_variable_index(info->global_variables, variable->name, variable->address);
- if (index != -1)
- xbt_dynar_insert_at(info->global_variables, index, &variable);
- // TODO, else ?
-}
-
-void MC_dwarf_register_non_global_variable(mc_object_info_t info, dw_frame_t frame, dw_variable_t variable) {
- xbt_assert(frame, "Frame is NULL");
- int index = MC_dwarf_get_variable_index(frame->variables, variable->name, NULL);
- if (index != -1)
- xbt_dynar_insert_at(frame->variables, index, &variable);
- // TODO, else ?
-}
-
-void MC_dwarf_register_variable(mc_object_info_t info, dw_frame_t frame, dw_variable_t variable) {
- if(variable->global)
- MC_dwarf_register_global_variable(info, variable);
- else if(frame==NULL)
- xbt_die("No frame for this local variable");
- else
- MC_dwarf_register_non_global_variable(info, frame, variable);
-}
+const char *colors[13];
-/******************************* Ignore mechanism *******************************/
+/******************************* Initialisation of MC *******************************/
/*********************************************************************************/
-xbt_dynar_t mc_checkpoint_ignore;
-
-typedef struct s_mc_stack_ignore_variable{
- char *var_name;
- char *frame;
-}s_mc_stack_ignore_variable_t, *mc_stack_ignore_variable_t;
-
-/**************************** Free functions ******************************/
-
-static void stack_ignore_variable_free(mc_stack_ignore_variable_t v){
- xbt_free(v->var_name);
- xbt_free(v->frame);
- xbt_free(v);
-}
-
-static void stack_ignore_variable_free_voidp(void *v){
- stack_ignore_variable_free((mc_stack_ignore_variable_t) * (void **) v);
-}
-
-void heap_ignore_region_free(mc_heap_ignore_region_t r){
- xbt_free(r);
-}
-
-void heap_ignore_region_free_voidp(void *r){
- heap_ignore_region_free((mc_heap_ignore_region_t) * (void **) r);
-}
-
-static void checkpoint_ignore_region_free(mc_checkpoint_ignore_region_t r){
- xbt_free(r);
-}
-
-static void checkpoint_ignore_region_free_voidp(void *r){
- checkpoint_ignore_region_free((mc_checkpoint_ignore_region_t) * (void **) r);
-}
-
-/***********************************************************************/
-
-void MC_ignore_heap(void *address, size_t size){
-
- int raw_mem_set = (mmalloc_get_current_heap() == mc_heap);
-
- MC_SET_MC_HEAP;
-
- mc_heap_ignore_region_t region = NULL;
- region = xbt_new0(s_mc_heap_ignore_region_t, 1);
- region->address = address;
- region->size = size;
-
- region->block = ((char*)address - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
-
- if(((xbt_mheap_t)std_heap)->heapinfo[region->block].type == 0){
- region->fragment = -1;
- ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_block.ignore++;
- }else{
- region->fragment = ((uintptr_t) (ADDR2UINT (address) % (BLOCKSIZE))) >> ((xbt_mheap_t)std_heap)->heapinfo[region->block].type;
- ((xbt_mheap_t)std_heap)->heapinfo[region->block].busy_frag.ignore[region->fragment]++;
- }
-
- if(mc_heap_comparison_ignore == NULL){
- mc_heap_comparison_ignore = xbt_dynar_new(sizeof(mc_heap_ignore_region_t), heap_ignore_region_free_voidp);
- xbt_dynar_push(mc_heap_comparison_ignore, ®ion);
- if(!raw_mem_set)
- MC_SET_STD_HEAP;
- return;
- }
-
- unsigned int cursor = 0;
- mc_heap_ignore_region_t current_region = NULL;
- int start = 0;
- int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
-
- while(start <= end){
- cursor = (start + end) / 2;
- current_region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
- if(current_region->address == address){
- heap_ignore_region_free(region);
- if(!raw_mem_set)
- MC_SET_STD_HEAP;
- return;
- }else if(current_region->address < address){
- start = cursor + 1;
- }else{
- end = cursor - 1;
- }
- }
-
- if(current_region->address < address)
- xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor + 1, ®ion);
- else
- xbt_dynar_insert_at(mc_heap_comparison_ignore, cursor, ®ion);
-
- if(!raw_mem_set)
- MC_SET_STD_HEAP;
-}
-
-void MC_remove_ignore_heap(void *address, size_t size){
-
- int raw_mem_set = (mmalloc_get_current_heap() == mc_heap);
-
- MC_SET_MC_HEAP;
-
- unsigned int cursor = 0;
- int start = 0;
- int end = xbt_dynar_length(mc_heap_comparison_ignore) - 1;
- mc_heap_ignore_region_t region;
- int ignore_found = 0;
-
- while(start <= end){
- cursor = (start + end) / 2;
- region = (mc_heap_ignore_region_t)xbt_dynar_get_as(mc_heap_comparison_ignore, cursor, mc_heap_ignore_region_t);
- if(region->address == address){
- ignore_found = 1;
- break;
- }else if(region->address < address){
- start = cursor + 1;
- }else{
- if((char * )region->address <= ((char *)address + size)){
- ignore_found = 1;
- break;
- }else{
- end = cursor - 1;
- }
- }
- }
-
- if(ignore_found == 1){
- xbt_dynar_remove_at(mc_heap_comparison_ignore, cursor, NULL);
- MC_remove_ignore_heap(address, size);
- }
-
- if(!raw_mem_set)
- MC_SET_STD_HEAP;
-
-}
-
-void MC_ignore_global_variable(const char *name){
-
- int raw_mem_set = (mmalloc_get_current_heap() == mc_heap);
-
- MC_SET_MC_HEAP;
+static void MC_init_dot_output()
+{ /* FIXME : more colors */
- xbt_assert(mc_libsimgrid_info, "MC subsystem not initialized");
-
- unsigned int cursor = 0;
- dw_variable_t current_var;
- int start = 0;
- int end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
-
- while(start <= end){
- cursor = (start + end) /2;
- current_var = (dw_variable_t)xbt_dynar_get_as(mc_libsimgrid_info->global_variables, cursor, dw_variable_t);
- if(strcmp(current_var->name, name) == 0){
- xbt_dynar_remove_at(mc_libsimgrid_info->global_variables, cursor, NULL);
- start = 0;
- end = xbt_dynar_length(mc_libsimgrid_info->global_variables) - 1;
- }else if(strcmp(current_var->name, name) < 0){
- start = cursor + 1;
- }else{
- end = cursor - 1;
- }
- }
-
- if(!raw_mem_set)
- MC_SET_STD_HEAP;
-}
-
-/** \brief Ignore a local variable in a scope
- *
- * Ignore all instances of variables with a given name in
- * any (possibly inlined) subprogram with a given namespaced
- * name.
- *
- * \param var_name Name of the local variable (or parameter to ignore)
- * \param subprogram_name Name of the subprogram fo ignore (NULL for any)
- * \param subprogram (possibly inlined) Subprogram of the scope
- * \param scope Current scope
- */
-static void mc_ignore_local_variable_in_scope(
- const char *var_name, const char *subprogram_name,
- dw_frame_t subprogram, dw_frame_t scope) {
- // Processing of direct variables:
-
- // If the current subprogram matche the given name:
- if(subprogram_name==NULL || strcmp(subprogram_name, subprogram->name)==0) {
-
- // Try to find the variable and remove it:
- int start = 0;
- int end = xbt_dynar_length(scope->variables) - 1;
-
- // Dichotomic search:
- while(start <= end){
- int cursor = (start + end) / 2;
- dw_variable_t current_var = (dw_variable_t)xbt_dynar_get_as(scope->variables, cursor, dw_variable_t);
-
- int compare = strcmp(current_var->name, var_name);
- if(compare == 0){
- // Variable found, remove it:
- xbt_dynar_remove_at(scope->variables, cursor, NULL);
-
- // and start again:
- start = 0;
- end = xbt_dynar_length(scope->variables) - 1;
- }else if(compare < 0){
- start = cursor + 1;
- }else{
- end = cursor - 1;
- }
- }
-
- }
-
- // And recursive processing in nested scopes:
- unsigned cursor = 0;
- dw_frame_t nested_scope = NULL;
- xbt_dynar_foreach(scope->scopes, cursor, nested_scope) {
- // The new scope may be an inlined subroutine, in this case we want to use its
- // namespaced name in recursive calls:
- dw_frame_t nested_subprogram = nested_scope->tag == DW_TAG_inlined_subroutine ? nested_scope : subprogram;
-
- mc_ignore_local_variable_in_scope(var_name, subprogram_name, nested_subprogram, nested_scope);
- }
-}
-
-static void MC_ignore_local_variable_in_object(const char *var_name, const char *subprogram_name, mc_object_info_t info) {
- xbt_dict_cursor_t cursor2;
- dw_frame_t frame;
- char* key;
- xbt_dict_foreach(info->subprograms, cursor2, key, frame) {
- mc_ignore_local_variable_in_scope(var_name, subprogram_name, frame, frame);
- }
-}
-
-void MC_ignore_local_variable(const char *var_name, const char *frame_name){
-
- int raw_mem_set = (mmalloc_get_current_heap() == mc_heap);
-
- if(strcmp(frame_name, "*") == 0)
- frame_name = NULL;
-
- MC_SET_MC_HEAP;
-
- MC_ignore_local_variable_in_object(var_name, frame_name, mc_libsimgrid_info);
- if(frame_name!=NULL)
- MC_ignore_local_variable_in_object(var_name, frame_name, mc_binary_info);
-
- if(!raw_mem_set)
- MC_SET_STD_HEAP;
-
-}
-
-void MC_new_stack_area(void *stack, char *name, void* context, size_t size){
-
- int raw_mem_set = (mmalloc_get_current_heap() == mc_heap);
-
- MC_SET_MC_HEAP;
-
- if(stacks_areas == NULL)
- stacks_areas = xbt_dynar_new(sizeof(stack_region_t), NULL);
-
- stack_region_t region = NULL;
- region = xbt_new0(s_stack_region_t, 1);
- region->address = stack;
- region->process_name = strdup(name);
- region->context = context;
- region->size = size;
- region->block = ((char*)stack - (char*)((xbt_mheap_t)std_heap)->heapbase) / BLOCKSIZE + 1;
- xbt_dynar_push(stacks_areas, ®ion);
-
- if(!raw_mem_set)
- MC_SET_STD_HEAP;
-}
-
-void MC_ignore(void *addr, size_t size){
-
- int raw_mem_set= (mmalloc_get_current_heap() == mc_heap);
-
- MC_SET_MC_HEAP;
+ colors[0] = "blue";
+ colors[1] = "red";
+ colors[2] = "green3";
+ colors[3] = "goldenrod";
+ colors[4] = "brown";
+ colors[5] = "purple";
+ colors[6] = "magenta";
+ colors[7] = "turquoise4";
+ colors[8] = "gray25";
+ colors[9] = "forestgreen";
+ colors[10] = "hotpink";
+ colors[11] = "lightblue";
+ colors[12] = "tan";
- if(mc_checkpoint_ignore == NULL)
- mc_checkpoint_ignore = xbt_dynar_new(sizeof(mc_checkpoint_ignore_region_t), checkpoint_ignore_region_free_voidp);
-
- mc_checkpoint_ignore_region_t region = xbt_new0(s_mc_checkpoint_ignore_region_t, 1);
- region->addr = addr;
- region->size = size;
-
- if(xbt_dynar_is_empty(mc_checkpoint_ignore)){
- xbt_dynar_push(mc_checkpoint_ignore, ®ion);
- }else{
-
- unsigned int cursor = 0;
- int start = 0;
- int end = xbt_dynar_length(mc_checkpoint_ignore) -1;
- mc_checkpoint_ignore_region_t current_region = NULL;
-
- while(start <= end){
- cursor = (start + end) / 2;
- current_region = (mc_checkpoint_ignore_region_t)xbt_dynar_get_as(mc_checkpoint_ignore, cursor, mc_checkpoint_ignore_region_t);
- if(current_region->addr == addr){
- if(current_region->size == size){
- checkpoint_ignore_region_free(region);
- if(!raw_mem_set)
- MC_SET_STD_HEAP;
- return;
- }else if(current_region->size < size){
- start = cursor + 1;
- }else{
- end = cursor - 1;
- }
- }else if(current_region->addr < addr){
- start = cursor + 1;
- }else{
- end = cursor - 1;
- }
- }
+ dot_output = fopen(_sg_mc_dot_output_file, "w");
- if(current_region->addr == addr){
- if(current_region->size < size){
- xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
- }else{
- xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
- }
- }else if(current_region->addr < addr){
- xbt_dynar_insert_at(mc_checkpoint_ignore, cursor + 1, ®ion);
- }else{
- xbt_dynar_insert_at(mc_checkpoint_ignore, cursor, ®ion);
- }
+ if (dot_output == NULL) {
+ perror("Error open dot output file");
+ xbt_abort();
}
- if(!raw_mem_set)
- MC_SET_STD_HEAP;
-}
-
-/******************************* Initialisation of MC *******************************/
-/*********************************************************************************/
-
-static void MC_post_process_object_info(mc_object_info_t info) {
- xbt_dict_cursor_t cursor = NULL;
- char* key = NULL;
- dw_type_t type = NULL;
- xbt_dict_foreach(info->types, cursor, key, type){
-
- // Resolve full_type:
- if(type->name && type->byte_size == 0) {
- for(size_t i=0; i!=mc_object_infos_size; ++i) {
- dw_type_t same_type = xbt_dict_get_or_null(mc_object_infos[i]->full_types_by_name, type->name);
- if(same_type && same_type->name && same_type->byte_size) {
- type->full_type = same_type;
- break;
- }
- }
- }
+ 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");
- }
}
-static void MC_init_debug_info(void) {
+static void MC_init_debug_info(void)
+{
XBT_INFO("Get debug information ...");
memory_map_t maps = MC_get_memory_map();
XBT_INFO("Get debug information done !");
}
-void MC_init(){
+
+void MC_init()
+{
int raw_mem_set = (mmalloc_get_current_heap() == mc_heap);
- compare = 0;
+ mc_time = xbt_new0(double, simix_process_maxpid);
/* Initialize the data structures that must be persistent across every
iteration of the model-checker (in RAW memory) */
MC_SET_MC_HEAP;
+ mc_comp_times = xbt_new0(s_mc_comparison_times_t, 1);
+
+ /* Initialize statistics */
+ mc_stats = xbt_new0(s_mc_stats_t, 1);
+ mc_stats->state_size = 1;
+
MC_init_memory_map_info();
- MC_init_debug_info();
+ MC_init_debug_info(); /* FIXME : get debug information only if liveness verification or visited state reduction */
- /* Init parmap */
- parmap = xbt_parmap_mc_new(xbt_os_get_numcores(), XBT_PARMAP_DEFAULT);
+ if ((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0] != '\0'))
+ MC_init_dot_output();
- MC_SET_STD_HEAP;
+ /* Init parmap */
+ //parmap = xbt_parmap_mc_new(xbt_os_get_numcores(), XBT_PARMAP_DEFAULT);
- /* Ignore some variables from xbt/ex.h used by exception e for stacks comparison */
- MC_ignore_local_variable("e", "*");
- MC_ignore_local_variable("__ex_cleanup", "*");
- MC_ignore_local_variable("__ex_mctx_en", "*");
- MC_ignore_local_variable("__ex_mctx_me", "*");
- MC_ignore_local_variable("__xbt_ex_ctx_ptr", "*");
- MC_ignore_local_variable("_log_ev", "*");
- MC_ignore_local_variable("_throw_ctx", "*");
- MC_ignore_local_variable("ctx", "*");
-
- MC_ignore_local_variable("self", "simcall_BODY_mc_snapshot");
- MC_ignore_local_variable("next_context", "smx_ctx_sysv_suspend_serial");
- MC_ignore_local_variable("i", "smx_ctx_sysv_suspend_serial");
-
- /* Ignore local variable about time used for tracing */
- MC_ignore_local_variable("start_time", "*");
-
- MC_ignore_global_variable("compared_pointers");
- MC_ignore_global_variable("mc_comp_times");
- MC_ignore_global_variable("mc_snapshot_comparison_time");
- MC_ignore_global_variable("mc_time");
- MC_ignore_global_variable("smpi_current_rank");
- MC_ignore_global_variable("counter"); /* Static variable used for tracing */
- MC_ignore_global_variable("maestro_stack_start");
- MC_ignore_global_variable("maestro_stack_end");
- MC_ignore_global_variable("smx_total_comms");
-
- MC_ignore_heap(&(simix_global->process_to_run), sizeof(simix_global->process_to_run));
- MC_ignore_heap(&(simix_global->process_that_ran), sizeof(simix_global->process_that_ran));
- MC_ignore_heap(simix_global->process_to_run, sizeof(*(simix_global->process_to_run)));
- MC_ignore_heap(simix_global->process_that_ran, sizeof(*(simix_global->process_that_ran)));
-
- smx_process_t process;
- xbt_swag_foreach(process, simix_global->process_list){
- MC_ignore_heap(&(process->process_hookup), sizeof(process->process_hookup));
- }
+ MC_SET_STD_HEAP;
- if(raw_mem_set)
+ if (_sg_mc_visited > 0
+ || (_sg_mc_property_file && _sg_mc_property_file[0] != '\0')) {
+ /* Ignore some variables from xbt/ex.h used by exception e for stacks comparison */
+ MC_ignore_local_variable("e", "*");
+ MC_ignore_local_variable("__ex_cleanup", "*");
+ MC_ignore_local_variable("__ex_mctx_en", "*");
+ MC_ignore_local_variable("__ex_mctx_me", "*");
+ MC_ignore_local_variable("__xbt_ex_ctx_ptr", "*");
+ MC_ignore_local_variable("_log_ev", "*");
+ MC_ignore_local_variable("_throw_ctx", "*");
+ MC_ignore_local_variable("ctx", "*");
+
+ MC_ignore_local_variable("self", "simcall_BODY_mc_snapshot");
+ MC_ignore_local_variable("next_context", "smx_ctx_sysv_suspend_serial");
+ MC_ignore_local_variable("i", "smx_ctx_sysv_suspend_serial");
+
+ /* Ignore local variable about time used for tracing */
+ MC_ignore_local_variable("start_time", "*");
+
+ MC_ignore_global_variable("compared_pointers");
+ MC_ignore_global_variable("mc_comp_times");
+ MC_ignore_global_variable("mc_snapshot_comparison_time");
+ MC_ignore_global_variable("mc_time");
+ MC_ignore_global_variable("smpi_current_rank");
+ MC_ignore_global_variable("counter"); /* Static variable used for tracing */
+ MC_ignore_global_variable("maestro_stack_start");
+ MC_ignore_global_variable("maestro_stack_end");
+ MC_ignore_global_variable("smx_total_comms");
+
+ MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
+
+ smx_process_t process;
+ xbt_swag_foreach(process, simix_global->process_list) {
+ MC_ignore_heap(&(process->process_hookup),
+ sizeof(process->process_hookup));
+ }
+ }
+
+ if (raw_mem_set)
MC_SET_MC_HEAP;
}
-static void MC_init_dot_output(){ /* FIXME : more colors */
+/******************************* Core of MC *******************************/
+/**************************************************************************/
- colors[0] = "blue";
- colors[1] = "red";
- colors[2] = "green3";
- colors[3] = "goldenrod";
- colors[4] = "brown";
- colors[5] = "purple";
- colors[6] = "magenta";
- colors[7] = "turquoise4";
- colors[8] = "gray25";
- colors[9] = "forestgreen";
- colors[10] = "hotpink";
- colors[11] = "lightblue";
- colors[12] = "tan";
+static void MC_modelcheck_comm_determinism_init(void)
+{
- dot_output = fopen(_sg_mc_dot_output_file, "w");
-
- if(dot_output == NULL){
- perror("Error open dot output file");
- xbt_abort();
- }
+ int mc_mem_set = (mmalloc_get_current_heap() == mc_heap);
- 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");
+ MC_init();
-}
+ if (!mc_mem_set)
+ MC_SET_MC_HEAP;
-/******************************* Core of MC *******************************/
-/**************************************************************************/
+ /* Create exploration stack */
+ mc_stack = xbt_fifo_new();
+
+ MC_SET_STD_HEAP;
-void MC_do_the_modelcheck_for_real() {
+ MC_pre_modelcheck_comm_determinism();
MC_SET_MC_HEAP;
- mc_comp_times = xbt_new0(s_mc_comparison_times_t, 1);
+ initial_global_state = xbt_new0(s_mc_global_t, 1);
+ initial_global_state->snapshot = MC_take_snapshot(0);
+ initial_global_state->initial_communications_pattern_done = 0;
+ initial_global_state->comm_deterministic = 1;
+ initial_global_state->send_deterministic = 1;
MC_SET_STD_HEAP;
-
- if (!_sg_mc_property_file || _sg_mc_property_file[0]=='\0') {
- if (mc_reduce_kind==e_mc_reduce_unset)
- mc_reduce_kind=e_mc_reduce_dpor;
-
- XBT_INFO("Check a safety property");
- MC_modelcheck_safety();
- } else {
+ MC_modelcheck_comm_determinism();
- if (mc_reduce_kind==e_mc_reduce_unset)
- mc_reduce_kind=e_mc_reduce_none;
+ if(mc_mem_set)
+ MC_SET_MC_HEAP;
- XBT_INFO("Check the liveness property %s",_sg_mc_property_file);
- MC_automaton_load(_sg_mc_property_file);
- MC_modelcheck_liveness();
- }
}
-void MC_modelcheck_safety(void)
+static void MC_modelcheck_safety_init(void)
{
- int raw_mem_set = (mmalloc_get_current_heap() == mc_heap);
-
- /* Check if MC is already initialized */
- if (initial_state_safety)
- return;
+ int mc_mem_set = (mmalloc_get_current_heap() == mc_heap);
- mc_time = xbt_new0(double, simix_process_maxpid);
-
- /* mc_time refers to clock for each process -> ignore it for heap comparison */
- MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
+ _sg_mc_safety = 1;
- /* Initialize the data structures that must be persistent across every
- iteration of the model-checker (in RAW memory) */
-
- MC_SET_MC_HEAP;
+ MC_init();
- /* Initialize statistics */
- mc_stats = xbt_new0(s_mc_stats_t, 1);
- mc_stats->state_size = 1;
+ if (!mc_mem_set)
+ MC_SET_MC_HEAP;
/* Create exploration stack */
- mc_stack_safety = xbt_fifo_new();
-
- if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
- MC_init_dot_output();
+ mc_stack = xbt_fifo_new();
MC_SET_STD_HEAP;
- if(_sg_mc_visited > 0){
- MC_init();
- }else{
- MC_SET_MC_HEAP;
- MC_init_memory_map_info();
- MC_init_debug_info();
- MC_SET_STD_HEAP;
- }
-
- MC_dpor_init();
+ MC_pre_modelcheck_safety();
MC_SET_MC_HEAP;
/* Save the initial state */
- initial_state_safety = xbt_new0(s_mc_global_t, 1);
- initial_state_safety->snapshot = MC_take_snapshot(0);
- initial_state_safety->initial_communications_pattern_done = 0;
- initial_state_safety->comm_deterministic = 1;
- initial_state_safety->send_deterministic = 1;
+ initial_global_state = xbt_new0(s_mc_global_t, 1);
+ initial_global_state->snapshot = MC_take_snapshot(0);
MC_SET_STD_HEAP;
- MC_dpor();
+ MC_modelcheck_safety();
- if(raw_mem_set)
+ if (mc_mem_set)
MC_SET_MC_HEAP;
xbt_abort();
//MC_exit();
}
-void MC_modelcheck_liveness(){
+static void MC_modelcheck_liveness_init()
+{
- int raw_mem_set = (mmalloc_get_current_heap() == mc_heap);
+ int mc_mem_set = (mmalloc_get_current_heap() == mc_heap);
- MC_init();
+ _sg_mc_liveness = 1;
- mc_time = xbt_new0(double, simix_process_maxpid);
+ MC_init();
- /* mc_time refers to clock for each process -> ignore it for heap comparison */
- MC_ignore_heap(mc_time, simix_process_maxpid * sizeof(double));
-
- MC_SET_MC_HEAP;
-
- /* Initialize statistics */
- mc_stats = xbt_new0(s_mc_stats_t, 1);
- mc_stats->state_size = 1;
+ if (!mc_mem_set)
+ MC_SET_MC_HEAP;
/* Create exploration stack */
- mc_stack_liveness = xbt_fifo_new();
+ mc_stack = xbt_fifo_new();
/* Create the initial state */
- initial_state_liveness = xbt_new0(s_mc_global_t, 1);
+ initial_global_state = xbt_new0(s_mc_global_t, 1);
- if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0'))
- MC_init_dot_output();
-
MC_SET_STD_HEAP;
- MC_ddfs_init();
+ MC_pre_modelcheck_liveness();
/* We're done */
MC_print_statistics(mc_stats);
xbt_free(mc_time);
- if(raw_mem_set)
+ if (mc_mem_set)
MC_SET_MC_HEAP;
}
+void MC_do_the_modelcheck_for_real()
+{
+
+ if (_sg_mc_comms_determinism || _sg_mc_send_determinism) {
+ XBT_INFO("Check communication determinism");
+ MC_modelcheck_comm_determinism_init();
+ } else if (!_sg_mc_property_file || _sg_mc_property_file[0] == '\0') {
+ if (mc_reduce_kind == e_mc_reduce_unset)
+ mc_reduce_kind = e_mc_reduce_dpor;
+ XBT_INFO("Check a safety property");
+ MC_modelcheck_safety_init();
+ } else {
+ if (mc_reduce_kind == e_mc_reduce_unset)
+ mc_reduce_kind = e_mc_reduce_none;
+ XBT_INFO("Check the liveness property %s", _sg_mc_property_file);
+ MC_automaton_load(_sg_mc_property_file);
+ MC_modelcheck_liveness_init();
+ }
+}
+
void MC_exit(void)
{
//xbt_abort();
}
-int SIMIX_pre_mc_random(smx_simcall_t simcall, int min, int max){
+int SIMIX_pre_mc_random(smx_simcall_t simcall, int min, int max)
+{
return simcall->mc_value;
}
int MC_random(int min, int max)
{
- /*FIXME: return mc_current_state->executed_transition->random.value;*/
+ /*FIXME: return mc_current_state->executed_transition->random.value; */
return simcall_mc_random(min, max);
}
{
int deadlock = FALSE;
smx_process_t process;
- if(xbt_swag_size(simix_global->process_list)){
+ if (xbt_swag_size(simix_global->process_list)) {
deadlock = TRUE;
- xbt_swag_foreach(process, simix_global->process_list){
- if(process->simcall.call != SIMCALL_NONE
- && MC_request_is_enabled(&process->simcall)){
+ xbt_swag_foreach(process, simix_global->process_list) {
+ if (process->simcall.call != SIMCALL_NONE
+ && MC_request_is_enabled(&process->simcall)) {
deadlock = FALSE;
break;
}
XBT_DEBUG("**** Begin Replay ****");
- if(start == -1){
+ if (start == -1) {
/* Restore the initial state */
- MC_restore_snapshot(initial_state_safety->snapshot);
+ MC_restore_snapshot(initial_global_state->snapshot);
/* At the moment of taking the snapshot the raw heap was set, so restoring
* it will set it back again, we have to unset it to continue */
MC_SET_STD_HEAP;
}
start_item = xbt_fifo_get_last_item(stack);
- if(start != -1){
- while (i != start){
+ if (start != -1) {
+ while (i != start) {
start_item = xbt_fifo_get_prev_item(start_item);
i++;
}
MC_SET_MC_HEAP;
- if(mc_reduce_kind == e_mc_reduce_dpor){
+ if ((mc_reduce_kind == e_mc_reduce_dpor) && !_sg_mc_comms_determinism && !_sg_mc_send_determinism) {
xbt_dict_reset(first_enabled_state);
- xbt_swag_foreach(process, simix_global->process_list){
- if(MC_process_is_enabled(process)){
- char *key = bprintf("%lu", process->pid);
- char *data = bprintf("%d", count);
- xbt_dict_set(first_enabled_state, key, data, NULL);
- xbt_free(key);
+ xbt_swag_foreach(process, simix_global->process_list) {
+ if (MC_process_is_enabled(process)) {
+ char *key = bprintf("%lu", process->pid);
+ char *data = bprintf("%d", count);
+ xbt_dict_set(first_enabled_state, key, data, NULL);
+ xbt_free(key);
}
}
}
- if(_sg_mc_comms_determinism || _sg_mc_send_determinism){
+ if (_sg_mc_comms_determinism || _sg_mc_send_determinism) {
xbt_dynar_reset(communications_pattern);
xbt_dynar_reset(incomplete_communications_pattern);
}
MC_SET_STD_HEAP;
-
+
/* Traverse the stack from the state at position start and re-execute the transitions */
for (item = start_item;
state = (mc_state_t) xbt_fifo_get_item_content(item);
saved_req = MC_state_get_executed_request(state, &value);
-
- if(mc_reduce_kind == e_mc_reduce_dpor){
+
+ if ((mc_reduce_kind == e_mc_reduce_dpor) && !_sg_mc_comms_determinism && !_sg_mc_send_determinism) {
MC_SET_MC_HEAP;
char *key = bprintf("%lu", saved_req->issuer->pid);
- xbt_dict_remove(first_enabled_state, key);
+ xbt_dict_remove(first_enabled_state, key);
xbt_free(key);
MC_SET_STD_HEAP;
}
-
- if(saved_req){
+
+ if (saved_req) {
/* because we got a copy of the executed request, we have to fetch the
real one, pointed by the request field of the issuer process */
req = &saved_req->issuer->simcall;
/* Debug information */
- if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
+ if (XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)) {
req_str = MC_request_to_string(req, value);
XBT_DEBUG("Replay: %s (%p)", req_str, state);
xbt_free(req_str);
}
/* TODO : handle test and testany simcalls */
- if(_sg_mc_comms_determinism || _sg_mc_send_determinism){
- if(req->call == SIMCALL_COMM_ISEND)
+ if (_sg_mc_comms_determinism || _sg_mc_send_determinism) {
+ if (req->call == SIMCALL_COMM_ISEND)
comm_pattern = 1;
- else if(req->call == SIMCALL_COMM_IRECV)
+ else if (req->call == SIMCALL_COMM_IRECV)
comm_pattern = 2;
- else if(req->call == SIMCALL_COMM_WAIT)
+ else if (req->call == SIMCALL_COMM_WAIT)
comm_pattern = 3;
- else if(req->call == SIMCALL_COMM_WAITANY)
+ else if (req->call == SIMCALL_COMM_WAITANY)
comm_pattern = 4;
}
SIMIX_simcall_pre(req, value);
- if(_sg_mc_comms_determinism || _sg_mc_send_determinism){
+ if (_sg_mc_comms_determinism || _sg_mc_send_determinism) {
MC_SET_MC_HEAP;
- if(comm_pattern == 1 || comm_pattern == 2){
+ if (comm_pattern == 1 || comm_pattern == 2) {
get_comm_pattern(communications_pattern, req, comm_pattern);
- }else if (comm_pattern == 3/* || comm_pattern == 4*/){
+ } else if (comm_pattern == 3 /* || comm_pattern == 4 */ ) {
current_comm = simcall_comm_wait__get__comm(req);
- if(current_comm->comm.refcount == 1){ /* First wait only must be considered */
+ if (current_comm->comm.refcount == 1) { /* First wait only must be considered */
complete_comm_pattern(communications_pattern, current_comm);
}
- }else if (comm_pattern == 4/* || comm_pattern == 4*/){
- current_comm = xbt_dynar_get_as(simcall_comm_waitany__get__comms(req), value, smx_action_t);
- if(current_comm->comm.refcount == 1){ /* First wait only must be considered */
+ } else if (comm_pattern == 4 /* || comm_pattern == 4 */ ) {
+ current_comm =
+ xbt_dynar_get_as(simcall_comm_waitany__get__comms(req), value,
+ smx_action_t);
+ if (current_comm->comm.refcount == 1) { /* First wait only must be considered */
complete_comm_pattern(communications_pattern, current_comm);
}
}
MC_SET_STD_HEAP;
comm_pattern = 0;
}
-
-
+
+
MC_wait_for_requests();
count++;
- if(mc_reduce_kind == e_mc_reduce_dpor){
+ if ((mc_reduce_kind == e_mc_reduce_dpor) && !_sg_mc_comms_determinism && !_sg_mc_send_determinism) {
MC_SET_MC_HEAP;
/* Insert in dict all enabled processes */
- xbt_swag_foreach(process, simix_global->process_list){
- if(MC_process_is_enabled(process) /*&& !MC_state_process_is_done(state, process)*/){
+ xbt_swag_foreach(process, simix_global->process_list) {
+ if (MC_process_is_enabled(process) ) {
char *key = bprintf("%lu", process->pid);
- if(xbt_dict_get_or_null(first_enabled_state, key) == NULL){
+ if (xbt_dict_get_or_null(first_enabled_state, key) == NULL) {
char *data = bprintf("%d", count);
xbt_dict_set(first_enabled_state, key, data, NULL);
}
MC_SET_STD_HEAP;
}
}
-
+
/* Update statistics */
mc_stats->visited_states++;
mc_stats->executed_transitions++;
XBT_DEBUG("**** End Replay ****");
- if(raw_mem)
+ if (raw_mem)
MC_SET_MC_HEAP;
else
MC_SET_STD_HEAP;
-
+
}
void MC_replay_liveness(xbt_fifo_t stack, int all_stack)
{
- initial_state_liveness->raw_mem_set = (mmalloc_get_current_heap() == mc_heap);
+ initial_global_state->raw_mem_set = (mmalloc_get_current_heap() == mc_heap);
int value;
char *req_str;
XBT_DEBUG("**** Begin Replay ****");
/* Restore the initial state */
- MC_restore_snapshot(initial_state_liveness->snapshot);
+ MC_restore_snapshot(initial_global_state->snapshot);
/* At the moment of taking the snapshot the raw heap was set, so restoring
* it will set it back again, we have to unset it to continue */
- if(!initial_state_liveness->raw_mem_set)
+ if (!initial_global_state->raw_mem_set)
MC_SET_STD_HEAP;
- if(all_stack){
+ if (all_stack) {
item = xbt_fifo_get_last_item(stack);
- while(depth <= xbt_fifo_size(stack)){
+ while (depth <= xbt_fifo_size(stack)) {
pair = (mc_pair_t) xbt_fifo_get_item_content(item);
state = (mc_state_t) pair->graph_state;
- if(pair->requests > 0){
-
+ if (pair->requests > 0) {
+
saved_req = MC_state_get_executed_request(state, &value);
//XBT_DEBUG("SavedReq->call %u", saved_req->call);
-
- if(saved_req != NULL){
+
+ if (saved_req != NULL) {
/* because we got a copy of the executed request, we have to fetch the
real one, pointed by the request field of the issuer process */
req = &saved_req->issuer->simcall;
//XBT_DEBUG("Req->call %u", req->call);
-
+
/* Debug information */
- if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
+ if (XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)) {
req_str = MC_request_to_string(req, value);
XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
xbt_free(req_str);
}
-
+
}
-
+
SIMIX_simcall_pre(req, value);
MC_wait_for_requests();
}
depth++;
-
+
/* Update statistics */
mc_stats->visited_pairs++;
mc_stats->executed_transitions++;
item = xbt_fifo_get_prev_item(item);
}
- }else{
+ } else {
/* Traverse the stack from the initial state and re-execute the transitions */
for (item = xbt_fifo_get_last_item(stack);
pair = (mc_pair_t) xbt_fifo_get_item_content(item);
state = (mc_state_t) pair->graph_state;
- if(pair->requests > 0){
-
+ if (pair->requests > 0) {
+
saved_req = MC_state_get_executed_request(state, &value);
//XBT_DEBUG("SavedReq->call %u", saved_req->call);
-
- if(saved_req != NULL){
+
+ if (saved_req != NULL) {
/* because we got a copy of the executed request, we have to fetch the
real one, pointed by the request field of the issuer process */
req = &saved_req->issuer->simcall;
//XBT_DEBUG("Req->call %u", req->call);
-
+
/* Debug information */
- if(XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)){
+ if (XBT_LOG_ISENABLED(mc_global, xbt_log_priority_debug)) {
req_str = MC_request_to_string(req, value);
XBT_DEBUG("Replay (depth = %d) : %s (%p)", depth, req_str, state);
xbt_free(req_str);
}
-
+
}
-
+
SIMIX_simcall_pre(req, value);
MC_wait_for_requests();
}
depth++;
-
+
/* Update statistics */
mc_stats->visited_pairs++;
mc_stats->executed_transitions++;
}
- }
+ }
XBT_DEBUG("**** End Replay ****");
- if(initial_state_liveness->raw_mem_set)
+ if (initial_global_state->raw_mem_set)
MC_SET_MC_HEAP;
else
MC_SET_STD_HEAP;
-
+
}
/**
*/
void MC_dump_stack_safety(xbt_fifo_t stack)
{
-
+
int raw_mem_set = (mmalloc_get_current_heap() == mc_heap);
MC_show_stack_safety(stack);
- if(!_sg_mc_checkpoint){
+ if (!_sg_mc_checkpoint) {
mc_state_t state;
}
- if(raw_mem_set)
+ if (raw_mem_set)
MC_SET_MC_HEAP;
else
MC_SET_STD_HEAP;
-
+
}
xbt_fifo_item_t item;
smx_simcall_t req;
char *req_str = NULL;
-
+
for (item = xbt_fifo_get_last_item(stack);
(item ? (state = (mc_state_t) (xbt_fifo_get_item_content(item)))
: (NULL)); item = xbt_fifo_get_prev_item(item)) {
req = MC_state_get_executed_request(state, &value);
- if(req){
+ if (req) {
req_str = MC_request_to_string(req, value);
XBT_INFO("%s", req_str);
xbt_free(req_str);
}
}
- if(!raw_mem_set)
+ if (!raw_mem_set)
MC_SET_STD_HEAP;
}
void MC_show_deadlock(smx_simcall_t req)
{
- /*char *req_str = NULL;*/
+ /*char *req_str = NULL; */
XBT_INFO("**************************");
XBT_INFO("*** DEAD-LOCK DETECTED ***");
XBT_INFO("**************************");
XBT_INFO("Locked request:");
/*req_str = MC_request_to_string(req);
- XBT_INFO("%s", req_str);
- xbt_free(req_str);*/
+ XBT_INFO("%s", req_str);
+ xbt_free(req_str); */
XBT_INFO("Counter-example execution trace:");
- MC_dump_stack_safety(mc_stack_safety);
+ MC_dump_stack_safety(mc_stack);
MC_print_statistics(mc_stats);
}
-void MC_show_stack_liveness(xbt_fifo_t stack){
+void MC_show_stack_liveness(xbt_fifo_t stack)
+{
int value;
mc_pair_t pair;
xbt_fifo_item_t item;
smx_simcall_t req;
char *req_str = NULL;
-
+
for (item = xbt_fifo_get_last_item(stack);
(item ? (pair = (mc_pair_t) (xbt_fifo_get_item_content(item)))
: (NULL)); item = xbt_fifo_get_prev_item(item)) {
req = MC_state_get_executed_request(pair->graph_state, &value);
- if(req){
- if(pair->requests>0){
+ if (req) {
+ if (pair->requests > 0) {
req_str = MC_request_to_string(req, value);
XBT_INFO("%s", req_str);
xbt_free(req_str);
- }else{
+ } else {
XBT_INFO("End of system requests but evolution in Büchi automaton");
}
}
}
}
-void MC_dump_stack_liveness(xbt_fifo_t stack){
+void MC_dump_stack_liveness(xbt_fifo_t stack)
+{
int raw_mem_set = (mmalloc_get_current_heap() == mc_heap);
MC_pair_delete(pair);
MC_SET_STD_HEAP;
- if(raw_mem_set)
+ if (raw_mem_set)
MC_SET_MC_HEAP;
}
void MC_print_statistics(mc_stats_t stats)
{
- if(stats->expanded_pairs == 0){
+ if (stats->expanded_pairs == 0) {
XBT_INFO("Expanded states = %lu", stats->expanded_states);
XBT_INFO("Visited states = %lu", stats->visited_states);
- }else{
+ } else {
XBT_INFO("Expanded pairs = %lu", stats->expanded_pairs);
XBT_INFO("Visited pairs = %lu", stats->visited_pairs);
}
XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
MC_SET_MC_HEAP;
- if((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0]!='\0')){
+ if ((_sg_mc_dot_output_file != NULL) && (_sg_mc_dot_output_file[0] != '\0')) {
fprintf(dot_output, "}\n");
fclose(dot_output);
}
- if(initial_state_safety != NULL){
- if(_sg_mc_comms_determinism)
- XBT_INFO("Communication-deterministic : %s", !initial_state_safety->comm_deterministic ? "No" : "Yes");
+ if (initial_global_state != NULL) {
+ if (_sg_mc_comms_determinism)
+ XBT_INFO("Communication-deterministic : %s",
+ !initial_global_state->comm_deterministic ? "No" : "Yes");
if (_sg_mc_send_determinism)
- XBT_INFO("Send-deterministic : %s", !initial_state_safety->send_deterministic ? "No" : "Yes");
+ XBT_INFO("Send-deterministic : %s",
+ !initial_global_state->send_deterministic ? "No" : "Yes");
}
MC_SET_STD_HEAP;
}
void MC_assert(int prop)
{
- if (MC_is_active() && !prop){
+ if (MC_is_active() && !prop) {
XBT_INFO("**************************");
XBT_INFO("*** PROPERTY NOT VALID ***");
XBT_INFO("**************************");
XBT_INFO("Counter-example execution trace:");
- MC_dump_stack_safety(mc_stack_safety);
+ MC_dump_stack_safety(mc_stack);
MC_print_statistics(mc_stats);
xbt_abort();
}
}
-void MC_cut(void){
+void MC_cut(void)
+{
user_max_depth_reached = 1;
}
double MC_process_clock_get(smx_process_t process)
{
- if(mc_time){
- if(process != NULL)
+ if (mc_time) {
+ if (process != NULL)
return mc_time[process->pid];
- else
+ else
return -1;
- }else{
+ } else {
return 0;
}
}
-void MC_automaton_load(const char *file){
+void MC_automaton_load(const char *file)
+{
int raw_mem_set = (mmalloc_get_current_heap() == mc_heap);
if (_mc_property_automaton == NULL)
_mc_property_automaton = xbt_automaton_new();
-
- xbt_automaton_load(_mc_property_automaton,file);
+
+ xbt_automaton_load(_mc_property_automaton, file);
MC_SET_STD_HEAP;
- if(raw_mem_set)
+ if (raw_mem_set)
MC_SET_MC_HEAP;
}
-void MC_automaton_new_propositional_symbol(const char* id, void* fct) {
+void MC_automaton_new_propositional_symbol(const char *id, void *fct)
+{
int raw_mem_set = (mmalloc_get_current_heap() == mc_heap);
if (_mc_property_automaton == NULL)
_mc_property_automaton = xbt_automaton_new();
- xbt_automaton_propositional_symbol_new(_mc_property_automaton,id,fct);
+ xbt_automaton_propositional_symbol_new(_mc_property_automaton, id, fct);
MC_SET_STD_HEAP;
- if(raw_mem_set)
+ if (raw_mem_set)
MC_SET_MC_HEAP;
-
-}
-
-
+}
