new_state->heap_bytes_used = mmalloc_get_bytes_used(std_heap);
new_state->nb_processes = xbt_swag_size(simix_global->process_list);
new_state->system_state = MC_take_snapshot();
- new_state->num = mc_stats->expanded_states - 1;
+ new_state->num = mc_stats->expanded_states;
return new_state;
state_test = (mc_visited_state_t)xbt_dynar_get_as(visited_states, cursor, mc_visited_state_t);
bytes_used_test = state_test->heap_bytes_used;
nb_processes_test = state_test->nb_processes;
- if(nb_processes_test < current_nb_processes)
+ if(nb_processes_test < current_nb_processes){
start = cursor + 1;
- if(nb_processes_test > current_nb_processes)
- end = cursor - 1;
- if(nb_processes_test == current_nb_processes){
+ }else if(nb_processes_test > current_nb_processes){
+ end = cursor - 1;
+ }else if(nb_processes_test == current_nb_processes){
if(bytes_used_test < current_bytes_used)
start = cursor + 1;
if(bytes_used_test > current_bytes_used)
if(bytes_used_test == current_bytes_used){
same_processes_and_bytes_not_found = 0;
if(snapshot_compare(new_state->system_state, state_test->system_state) == 0){
- xbt_dynar_remove_at(visited_states, cursor, NULL);
- xbt_dynar_insert_at(visited_states, cursor, &new_state);
XBT_DEBUG("State %d already visited ! (equal to state %d)", new_state->num, state_test->num);
if(raw_mem_set)
MC_SET_RAW_MEM;
if(bytes_used_test != current_bytes_used)
break;
if(snapshot_compare(new_state->system_state, state_test->system_state) == 0){
- xbt_dynar_remove_at(visited_states, previous_cursor, NULL);
- xbt_dynar_insert_at(visited_states, previous_cursor, &new_state);
XBT_DEBUG("State %d already visited ! (equal to state %d)", new_state->num, state_test->num);
if(raw_mem_set)
MC_SET_RAW_MEM;
if(bytes_used_test != current_bytes_used)
break;
if(snapshot_compare(new_state->system_state, state_test->system_state) == 0){
- xbt_dynar_remove_at(visited_states, next_cursor, NULL);
- xbt_dynar_insert_at(visited_states, next_cursor, &new_state);
XBT_DEBUG("State %d already visited ! (equal to state %d)", new_state->num, state_test->num);
if(raw_mem_set)
MC_SET_RAW_MEM;
void MC_dpor(void)
{
- char *req_str;
+ char *req_str = NULL;
int value;
smx_simcall_t req = NULL, prev_req = NULL;
mc_state_t state = NULL, prev_state = NULL, next_state = NULL, restore_state=NULL;
xbt_fifo_item_t item = NULL;
int pos;
int visited_state;
- int enabled = 0, max_depth_reached = 0;
+ int enabled = 0, max_depth_reached;
while (xbt_fifo_size(mc_stack_safety) > 0) {
xbt_fifo_get_item_content(xbt_fifo_get_first_item(mc_stack_safety));
XBT_DEBUG("**************************************************");
- XBT_DEBUG("Exploration depth=%d (state=%p)(%u interleave)",
- xbt_fifo_size(mc_stack_safety), state,
- MC_state_interleave_size(state));
+ XBT_DEBUG("Exploration depth=%d (state=%p, num %d)(%u interleave, user_max_depth %d)",
+ xbt_fifo_size(mc_stack_safety), state, state->num,
+ MC_state_interleave_size(state), user_max_depth_reached);
/* Update statistics */
mc_stats->visited_states++;
/* If there are processes to interleave and the maximum depth has not been reached
then perform one step of the exploration algorithm */
- if (xbt_fifo_size(mc_stack_safety) <= _sg_mc_max_depth &&
+ if (xbt_fifo_size(mc_stack_safety) <= _sg_mc_max_depth && !user_max_depth_reached &&
(req = MC_state_get_request(state, &value))) {
/* Debug information */
xbt_free(req_str);
}
- req_str = MC_request_get_dot_output(req, value);
+ MC_SET_RAW_MEM;
+ if(dot_output != NULL)
+ req_str = MC_request_get_dot_output(req, value);
+ MC_UNSET_RAW_MEM;
MC_state_set_executed_request(state, req, value);
mc_stats->executed_transitions++;
xbt_free(key);
}
}
+
+ if(dot_output != NULL)
+ xbt_free(req_str);
MC_UNSET_RAW_MEM;
- xbt_free(req_str);
-
/* Let's loop again */
/* The interleave set is empty or the maximum depth is reached, let's back-track */
} else {
+
+ if((xbt_fifo_size(mc_stack_safety) > _sg_mc_max_depth) || user_max_depth_reached){
- if(xbt_fifo_size(mc_stack_safety) > _sg_mc_max_depth){
-
- XBT_WARN("/!\\ Max depth reached ! /!\\ ");
+ if(user_max_depth_reached)
+ XBT_WARN("User max depth reached !");
+ else
+ XBT_WARN("/!\\ Max depth reached ! /!\\ ");
/* Interleave enabled processes in the state in which they have been enabled for the first time */
xbt_swag_foreach(process, simix_global->process_list){
}
}
- max_depth_reached = 1;
+ if(MC_state_interleave_size(state) > 0){
+ max_depth_reached = 1;
+ }else{
+ /* Trash the current state, no longer needed */
+ MC_SET_RAW_MEM;
+ xbt_fifo_shift(mc_stack_safety);
+ MC_state_delete(state);
+ MC_UNSET_RAW_MEM;
+
+ max_depth_reached = 0;
+ }
+
}else{
MC_SET_RAW_MEM;
xbt_fifo_shift(mc_stack_safety);
MC_state_delete(state);
+ XBT_DEBUG("Delete state %d at depth %d", state->num, xbt_fifo_size(mc_stack_safety) + 1);
MC_UNSET_RAW_MEM;
-
+
max_depth_reached = 0;
}
while ((state = xbt_fifo_shift(mc_stack_safety)) != NULL) {
if(mc_reduce_kind != e_mc_reduce_none){
- if((xbt_fifo_size(mc_stack_safety) == _sg_mc_max_depth) && max_depth_reached){
+ if(((xbt_fifo_size(mc_stack_safety) == _sg_mc_max_depth) && max_depth_reached) || user_max_depth_reached){
req = MC_state_get_request(state, &value);
MC_state_set_executed_request(state, req, value);
+ user_max_depth_reached = 0;
}
req = MC_state_get_internal_request(state);
xbt_fifo_foreach(mc_stack_safety, item, prev_state, mc_state_t) {
XBT_DEBUG("Dependent Transitions:");
prev_req = MC_state_get_executed_request(prev_state, &value);
req_str = MC_request_to_string(prev_req, value);
- XBT_DEBUG("%s (state=%p)", req_str, prev_state);
+ XBT_DEBUG("%s (state=%d)", req_str, prev_state->num);
xbt_free(req_str);
prev_req = MC_state_get_executed_request(state, &value);
req_str = MC_request_to_string(prev_req, value);
- XBT_DEBUG("%s (state=%p)", req_str, state);
+ XBT_DEBUG("%s (state=%d)", req_str, state->num);
xbt_free(req_str);
}
XBT_DEBUG("Simcall %d and %d with same issuer", req->call, MC_state_get_internal_request(prev_state)->call);
break;
+ }else{
+
+ XBT_DEBUG("Simcall %d, process %lu (state %d) and simcall %d, process %lu (state %d) are independant", req->call, req->issuer->pid, state->num, MC_state_get_internal_request(prev_state)->call, MC_state_get_internal_request(prev_state)->issuer->pid, prev_state->num);
+
}
}
}
if (MC_state_interleave_size(state) && xbt_fifo_size(mc_stack_safety) < _sg_mc_max_depth) {
/* We found a back-tracking point, let's loop */
- XBT_DEBUG("Back-tracking to depth %d", xbt_fifo_size(mc_stack_safety) + 1);
+ XBT_DEBUG("Back-tracking to state %d at depth %d", state->num, xbt_fifo_size(mc_stack_safety) + 1);
if(_sg_mc_checkpoint){
if(state->system_state != NULL){
MC_restore_snapshot(state->system_state);
MC_UNSET_RAW_MEM;
MC_replay(mc_stack_safety, -1);
}
- XBT_DEBUG("Back-tracking to depth %d", xbt_fifo_size(mc_stack_safety));
+ XBT_DEBUG("Back-tracking to state %d at depth %d", state->num, xbt_fifo_size(mc_stack_safety));
break;
} else {
+ XBT_DEBUG("Delete state %d at depth %d", state->num, xbt_fifo_size(mc_stack_safety) + 1);
MC_state_delete(state);
}
}
