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;
+ mc_state_t state = NULL, prev_state = NULL, next_state = NULL, restored_state=NULL;
smx_process_t process = NULL;
xbt_fifo_item_t item = NULL;
mc_state_t state_test = NULL;
int pos;
int visited_state = -1;
int enabled = 0;
- int comm_pattern = 0;
int interleave_size = 0;
+ int comm_pattern = 0;
while (xbt_fifo_size(mc_stack_safety) > 0) {
xbt_dict_remove(first_enabled_state, key);
xbt_free(key);
MC_UNSET_RAW_MEM;
-
- if(req->call == SIMCALL_COMM_ISEND)
- comm_pattern = 1;
- else if(req->call == SIMCALL_COMM_IRECV)
- comm_pattern = 2;
+
+ if(_sg_mc_comms_determinism){
+ if(req->call == SIMCALL_COMM_ISEND)
+ comm_pattern = 1;
+ else if(req->call == SIMCALL_COMM_IRECV)
+ comm_pattern = 2;
+ }
/* Answer the request */
SIMIX_simcall_pre(req, value); /* After this call req is no longer usefull */
- MC_SET_RAW_MEM;
- if(comm_pattern != 0){
- if(!initial_state_safety->initial_communications_pattern_done)
- get_comm_pattern(initial_communications_pattern, req, comm_pattern);
- else
- get_comm_pattern(communications_pattern, req, comm_pattern);
+ if(_sg_mc_comms_determinism){
+ MC_SET_RAW_MEM;
+ if(comm_pattern != 0){
+ if(!initial_state_safety->initial_communications_pattern_done)
+ get_comm_pattern(initial_communications_pattern, req, comm_pattern);
+ else
+ get_comm_pattern(communications_pattern, req, comm_pattern);
+ }
+ MC_UNSET_RAW_MEM;
+ comm_pattern = 0;
}
- MC_UNSET_RAW_MEM;
-
- comm_pattern = 0;
/* Wait for requests (schedules processes) */
MC_wait_for_requests();
}
MC_SET_RAW_MEM;
- if(!initial_state_safety->initial_communications_pattern_done){
- //print_communications_pattern(initial_communications_pattern);
- }else{
- if(interleave_size == 0){ /* if (interleave_size > 0), process interleaved but not enabled => "incorrect" path, determinism not evaluated */
- //print_communications_pattern(communications_pattern);
- deterministic_pattern(initial_communications_pattern, communications_pattern);
+
+ if(_sg_mc_comms_determinism){
+ if(!initial_state_safety->initial_communications_pattern_done){
+ //print_communications_pattern(initial_communications_pattern);
+ }else{
+ if(interleave_size == 0){ /* if (interleave_size > 0), process interleaved but not enabled => "incorrect" path, determinism not evaluated */
+ //print_communications_pattern(communications_pattern);
+ deterministic_pattern(initial_communications_pattern, communications_pattern);
+ }
}
+ initial_state_safety->initial_communications_pattern_done = 1;
}
- initial_state_safety->initial_communications_pattern_done = 1;
- MC_UNSET_RAW_MEM;
/* Trash the current state, no longer needed */
- 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;
/* Check for deadlocks */
pos = xbt_fifo_size(mc_stack_safety);
item = xbt_fifo_get_first_item(mc_stack_safety);
while(pos>0){
- restore_state = (mc_state_t) xbt_fifo_get_item_content(item);
- if(restore_state->system_state != NULL){
+ restored_state = (mc_state_t) xbt_fifo_get_item_content(item);
+ if(restored_state->system_state != NULL){
break;
}else{
item = xbt_fifo_get_next_item(item);
pos--;
}
}
- MC_restore_snapshot(restore_state->system_state);
+ MC_restore_snapshot(restored_state->system_state);
xbt_fifo_unshift(mc_stack_safety, state);
MC_UNSET_RAW_MEM;
MC_replay(mc_stack_safety, pos);
break;
} else {
req = MC_state_get_internal_request(state);
- if(req->call == SIMCALL_COMM_ISEND || req->call == SIMCALL_COMM_IRECV){
- if(!xbt_dynar_is_empty(communications_pattern))
- xbt_dynar_remove_at(communications_pattern, xbt_dynar_length(communications_pattern) - 1, NULL);
+ if(_sg_mc_comms_determinism){
+ if(req->call == SIMCALL_COMM_ISEND || req->call == SIMCALL_COMM_IRECV){
+ if(!xbt_dynar_is_empty(communications_pattern))
+ xbt_dynar_remove_at(communications_pattern, xbt_dynar_length(communications_pattern) - 1, NULL);
+ }
}
XBT_DEBUG("Delete state %d at depth %d", state->num, xbt_fifo_size(mc_stack_safety) + 1);
MC_state_delete(state);
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 user_max_depth_reached = 0;
_sg_mc_dot_output_file= xbt_cfg_get_string(_sg_cfg_set, name);
}
+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.");
+ }
+ _sg_mc_comms_determinism= xbt_cfg_get_boolean(_sg_cfg_set, name);
+}
+
/* MC global data structures */
mc_state_t mc_current_state = NULL;
char mc_replay_mode = FALSE;
xbt_free(key);
}
}
- xbt_dynar_reset(communications_pattern);
+ if(_sg_mc_comms_determinism)
+ xbt_dynar_reset(communications_pattern);
MC_UNSET_RAW_MEM;
}
}
- if(req->call == SIMCALL_COMM_ISEND)
- comm_pattern = 1;
- else if(req->call == SIMCALL_COMM_IRECV)
+ if(_sg_mc_comms_determinism){
+ if(req->call == SIMCALL_COMM_ISEND)
+ comm_pattern = 1;
+ else if(req->call == SIMCALL_COMM_IRECV)
comm_pattern = 2;
-
+ }
+
SIMIX_simcall_pre(req, value);
- MC_SET_RAW_MEM;
- if(comm_pattern != 0){
- get_comm_pattern(communications_pattern, req, comm_pattern);
+ if(_sg_mc_comms_determinism){
+ MC_SET_RAW_MEM;
+ if(comm_pattern != 0){
+ get_comm_pattern(communications_pattern, req, comm_pattern);
+ }
+ MC_UNSET_RAW_MEM;
+ comm_pattern = 0;
}
- MC_UNSET_RAW_MEM;
-
- comm_pattern = 0;
MC_wait_for_requests();
fprintf(dot_output, "}\n");
fclose(dot_output);
}
- if(initial_state_safety != NULL){
+ if(initial_state_safety != NULL && _sg_mc_comms_determinism){
XBT_INFO("Communication-deterministic : %s", !initial_state_safety->comm_deterministic ? "No" : "Yes");
XBT_INFO("Send-deterministic : %s", !initial_state_safety->send_deterministic ? "No" : "Yes");
}
xbt_cfgelm_string, 0, 1, _mc_cfg_cb_property, NULL);
xbt_cfg_setdefault_string(_sg_cfg_set, "model-check/property", "");
+ /* do determinism model-checking */
+ xbt_cfg_register(&_sg_cfg_set, "model-check/communications_determinism",
+ "Enable/disable the detection of determinism in the communications schemes",
+ xbt_cfgelm_boolean, 0, 1, _mc_cfg_cb_comms_determinism, NULL);
+ xbt_cfg_setdefault_boolean(_sg_cfg_set, "model-check/communications_determinism", "no");
+
/* Specify the kind of model-checking reduction */
xbt_cfg_register(&_sg_cfg_set, "model-check/reduction",
"Specify the kind of exploration reduction (either none or DPOR)",