#include "src/mc/explo/Exploration.hpp"
#include "src/mc/mc_config.hpp"
+#include "src/mc/mc_exit.hpp"
#include "src/mc/mc_private.hpp"
+#include "src/mc/sosp/RemoteProcessMemory.hpp"
+
+#include <sys/wait.h>
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_explo, mc, "Generic exploration algorithm of the model-checker");
static simgrid::config::Flag<std::string> cfg_dot_output_file{
"model-check/dot-output", "Name of dot output file corresponding to graph state", ""};
+Exploration* Exploration::instance_ = nullptr; // singleton instance
+
Exploration::Exploration(const std::vector<char*>& args) : remote_app_(std::make_unique<RemoteApp>(args))
{
- mc_model_checker->set_exploration(this);
+ xbt_assert(instance_ == nullptr, "Cannot have more than one exploration instance");
+ instance_ = this;
if (not cfg_dot_output_file.get().empty()) {
dot_output_ = fopen(cfg_dot_output_file.get().c_str(), "w");
{
if (dot_output_ != nullptr)
fclose(dot_output_);
+ instance_ = nullptr;
}
void Exploration::dot_output(const char* fmt, ...)
}
}
+void Exploration::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 (not xbt_log_no_loc)
+ XBT_INFO("%s core dump was generated by the system.", WCOREDUMP(status) ? "A" : "No");
+
+ XBT_INFO("Counter-example execution trace:");
+ for (auto const& s : get_textual_trace())
+ XBT_INFO(" %s", s.c_str());
+ XBT_INFO("You can debug the problem (and see the whole details) by rerunning out of simgrid-mc with "
+ "--cfg=model-check/replay:'%s'",
+ get_record_trace().to_string().c_str());
+ log_state();
+ if (xbt_log_no_loc) {
+ XBT_INFO("Stack trace not displayed because you passed --log=no_loc");
+ } else {
+ XBT_INFO("Stack trace:");
+ get_remote_app().get_remote_process_memory().dump_stack();
+ }
+
+ system_exit(SIMGRID_MC_EXIT_PROGRAM_CRASH);
+}
+void Exploration::report_assertion_failure()
+{
+ XBT_INFO("**************************");
+ XBT_INFO("*** PROPERTY NOT VALID ***");
+ XBT_INFO("**************************");
+ XBT_INFO("Counter-example execution trace:");
+ for (auto const& s : get_textual_trace())
+ XBT_INFO(" %s", s.c_str());
+ XBT_INFO("You can debug the problem (and see the whole details) by rerunning out of simgrid-mc with "
+ "--cfg=model-check/replay:'%s'",
+ get_record_trace().to_string().c_str());
+ log_state();
+ system_exit(SIMGRID_MC_EXIT_SAFETY);
+}
+
void Exploration::system_exit(int status)
{
get_remote_app().shutdown();