#if HAVE_MC
-/* MC global data structures */
-simgrid::mc::State* mc_current_state = nullptr;
-char mc_replay_mode = false;
-
-mc_stats_t mc_stats = nullptr;
-
/* Liveness */
namespace simgrid {
namespace mc {
-std::unique_ptr<s_mc_global_t> initial_global_state = nullptr;
xbt_automaton_t property_automaton = nullptr;
}
simgrid::mc::processes_time.clear();
}
-namespace simgrid {
-namespace mc {
-
-/**
- * \brief Re-executes from the state at position start all the transitions indicated by
- * a given model-checker stack.
- * \param stack The stack with the transitions to execute.
- * \param start Start index to begin the re-execution.
- */
-void replay(std::list<std::unique_ptr<simgrid::mc::State>> const& stack)
-{
- XBT_DEBUG("**** Begin Replay ****");
-
- /* Intermediate backtracking */
- if(_sg_mc_checkpoint > 0 || _sg_mc_termination || _sg_mc_visited > 0) {
- simgrid::mc::State* state = stack.back().get();
- if (state->system_state) {
- simgrid::mc::restore_snapshot(state->system_state);
- if(_sg_mc_comms_determinism || _sg_mc_send_determinism)
- MC_restore_communications_pattern(state);
- return;
- }
- }
-
-
- /* Restore the initial state */
- simgrid::mc::restore_snapshot(simgrid::mc::initial_global_state->snapshot);
-
- if (_sg_mc_comms_determinism || _sg_mc_send_determinism) {
- // int n = xbt_dynar_length(incomplete_communications_pattern);
- unsigned n = MC_smx_get_maxpid();
- assert(n == xbt_dynar_length(incomplete_communications_pattern));
- assert(n == xbt_dynar_length(initial_communications_pattern));
- for (unsigned j=0; j < n ; j++) {
- xbt_dynar_reset((xbt_dynar_t)xbt_dynar_get_as(incomplete_communications_pattern, j, xbt_dynar_t));
- xbt_dynar_get_as(initial_communications_pattern, j, simgrid::mc::PatternCommunicationList*)->index_comm = 0;
- }
- }
-
- int count = 1;
-
- /* Traverse the stack from the state at position start and re-execute the transitions */
- for (std::unique_ptr<simgrid::mc::State> const& state : stack) {
- if (state == stack.back())
- break;
-
- int req_num = state->transition.argument;
- smx_simcall_t saved_req = &state->executed_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 */
-
- const smx_process_t issuer = MC_smx_simcall_get_issuer(saved_req);
- smx_simcall_t req = &issuer->simcall;
-
- /* Debug information */
- XBT_DEBUG("Replay: %s (%p)",
- simgrid::mc::request_to_string(
- req, req_num, simgrid::mc::RequestType::simix).c_str(),
- state.get());
-
- /* TODO : handle test and testany simcalls */
- e_mc_call_type_t call = MC_CALL_TYPE_NONE;
- if (_sg_mc_comms_determinism || _sg_mc_send_determinism)
- call = MC_get_call_type(req);
-
- mc_model_checker->handle_simcall(state->transition);
- if (_sg_mc_comms_determinism || _sg_mc_send_determinism)
- MC_handle_comm_pattern(call, req, req_num, nullptr, 1);
- mc_model_checker->wait_for_requests();
-
- count++;
- }
-
- /* Update statistics */
- mc_stats->visited_states++;
- mc_stats->executed_transitions++;
-
- }
-
- XBT_DEBUG("**** End Replay ****");
-}
-
-}
-}
-
void MC_show_deadlock(void)
{
XBT_INFO("**************************");
XBT_INFO("Counter-example execution trace:");
for (auto& s : mc_model_checker->getChecker()->getTextualTrace())
XBT_INFO("%s", s.c_str());
- MC_print_statistics(mc_stats);
-}
-
-void MC_print_statistics(mc_stats_t stats)
-{
- if(_sg_mc_comms_determinism) {
- if (!simgrid::mc::initial_global_state->recv_deterministic &&
- simgrid::mc::initial_global_state->send_deterministic){
- XBT_INFO("******************************************************");
- XBT_INFO("**** Only-send-deterministic communication pattern ****");
- XBT_INFO("******************************************************");
- XBT_INFO("%s", simgrid::mc::initial_global_state->recv_diff);
- }else if(!simgrid::mc::initial_global_state->send_deterministic &&
- simgrid::mc::initial_global_state->recv_deterministic) {
- XBT_INFO("******************************************************");
- XBT_INFO("**** Only-recv-deterministic communication pattern ****");
- XBT_INFO("******************************************************");
- XBT_INFO("%s", simgrid::mc::initial_global_state->send_diff);
- }
- }
-
- if (stats->expanded_pairs == 0) {
- XBT_INFO("Expanded states = %lu", stats->expanded_states);
- XBT_INFO("Visited states = %lu", stats->visited_states);
- } 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);
- if ((_sg_mc_dot_output_file != nullptr) && (_sg_mc_dot_output_file[0] != '\0')) {
- fprintf(dot_output, "}\n");
- fclose(dot_output);
- }
- if (simgrid::mc::initial_global_state != nullptr
- && (_sg_mc_comms_determinism || _sg_mc_send_determinism)) {
- XBT_INFO("Send-deterministic : %s",
- !simgrid::mc::initial_global_state->send_deterministic ? "No" : "Yes");
- if (_sg_mc_comms_determinism)
- XBT_INFO("Recv-deterministic : %s",
- !simgrid::mc::initial_global_state->recv_deterministic ? "No" : "Yes");
- }
- if (getenv("SIMGRID_MC_SYSTEM_STATISTICS")){
- int ret=system("free");
- if(ret!=0)XBT_WARN("system call did not return 0, but %d",ret);
- }
+ simgrid::mc::session->logState();
}
void MC_automaton_load(const char *file)
{
simgrid::mc::processes_time[process->pid] += amount;
}
-
-#if HAVE_MC
-void MC_report_assertion_error(void)
-{
- XBT_INFO("**************************");
- XBT_INFO("*** PROPERTY NOT VALID ***");
- XBT_INFO("**************************");
- XBT_INFO("Counter-example execution trace:");
- simgrid::mc::dumpRecordPath();
- for (auto& s : mc_model_checker->getChecker()->getTextualTrace())
- XBT_INFO("%s", s.c_str());
- MC_print_statistics(mc_stats);
-}
-
-void MC_report_crash(int status)
-{
- XBT_INFO("**************************");
- XBT_INFO("** CRASH IN THE PROGRAM **");
- XBT_INFO("**************************");
- if (WIFSIGNALED(status))
- XBT_INFO("From signal: %s", strsignal(WTERMSIG(status)));
- else if (WIFEXITED(status))
- XBT_INFO("From exit: %i", WEXITSTATUS(status));
- if (WCOREDUMP(status))
- XBT_INFO("A core dump was generated by the system.");
- else
- XBT_INFO("No core dump was generated by the system.");
- XBT_INFO("Counter-example execution trace:");
- simgrid::mc::dumpRecordPath();
- for (auto& s : mc_model_checker->getChecker()->getTextualTrace())
- XBT_INFO("%s", s.c_str());
- MC_print_statistics(mc_stats);
- XBT_INFO("Stack trace:");
- mc_model_checker->process().dumpStack();
-}
-
-#endif