* under the terms of the license (GNU LGPL) which comes with this package. */
#include "src/mc/ModelChecker.hpp"
-#include "src/mc/Session.hpp"
-#include "src/mc/api/Transition.hpp"
-#include "src/mc/api/TransitionComm.hpp"
-#include "src/mc/checker/Checker.hpp"
+#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/remote/RemoteProcess.hpp"
+#include "src/mc/transition/TransitionComm.hpp"
#include "xbt/automaton.hpp"
#include "xbt/system_error.hpp"
setup_ignore();
+ errno = 0;
#ifdef __linux__
ptrace(PTRACE_SETOPTIONS, pid, nullptr, PTRACE_O_TRACEEXIT);
ptrace(PTRACE_CONT, pid, 0, 0);
#else
# error "no ptrace equivalent coded for this platform"
#endif
+ xbt_assert(errno == 0,
+ "Ptrace does not seem to be usable in your setup (errno: %d). "
+ "If you run from within a docker, adding `--cap-add SYS_PTRACE` to the docker line may help. "
+ "If it does not help, please report this bug.",
+ errno);
}
static constexpr auto ignored_local_variables = {
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 : mc_model_checker->getChecker()->get_textual_trace())
- XBT_INFO(" %s", s.c_str());
- dumpRecordPath();
- session_singleton->log_state();
- if (xbt_log_no_loc) {
- XBT_INFO("Stack trace not displayed because you passed --log=no_loc");
- } else {
- XBT_INFO("Stack trace:");
- mc_model_checker->get_remote_process().dump_stack();
+ if (mc_model_checker->get_exploration()) {
+ XBT_INFO("Counter-example execution trace:");
+ for (auto const& s : mc_model_checker->get_exploration()->get_textual_trace())
+ XBT_INFO(" %s", s.c_str());
+ XBT_INFO("Path = %s", mc_model_checker->get_exploration()->get_record_trace().to_string().c_str());
+ Api::get().get_session().log_state();
+ if (xbt_log_no_loc) {
+ XBT_INFO("Stack trace not displayed because you passed --log=no_loc");
+ } else {
+ XBT_INFO("Stack trace:");
+ mc_model_checker->get_remote_process().dump_stack();
+ }
}
}
xbt_assert(size == sizeof(message), "Broken message. Got %d bytes instead of %d.", (int)size, (int)sizeof(message));
memcpy(&message, buffer, sizeof(message));
- get_remote_process().init(message.mmalloc_default_mdp, message.maxpid, message.actors, message.dead_actors);
+ get_remote_process().init(message.mmalloc_default_mdp, message.maxpid, message.actors);
break;
}
XBT_INFO("*** PROPERTY NOT VALID ***");
XBT_INFO("**************************");
XBT_INFO("Counter-example execution trace:");
- for (auto const& s : getChecker()->get_textual_trace())
+ for (auto const& s : get_exploration()->get_textual_trace())
XBT_INFO(" %s", s.c_str());
- dumpRecordPath();
- session_singleton->log_state();
+ XBT_INFO("Path = %s", get_exploration()->get_record_trace().to_string().c_str());
+ Api::get().get_session().log_state();
this->exit(SIMGRID_MC_EXIT_SAFETY);
checker_side_.dispatch();
}
-Transition* ModelChecker::handle_simcall(Transition const& transition, bool new_transition)
+Transition* ModelChecker::handle_simcall(aid_t aid, int times_considered, bool new_transition)
{
s_mc_message_simcall_execute_t m;
memset(&m, 0, sizeof(m));
m.type = MessageType::SIMCALL_EXECUTE;
- m.aid_ = transition.aid_;
- m.times_considered_ = transition.times_considered_;
+ m.aid_ = aid;
+ m.times_considered_ = times_considered;
checker_side_.get_channel().send(m);
+ this->remote_process_->clear_cache();
+ if (this->remote_process_->running())
+ checker_side_.dispatch(); // The app may send messages while processing the transition
+
s_mc_message_simcall_execute_answer_t answer;
ssize_t s = checker_side_.get_channel().receive(answer);
xbt_assert(s != -1, "Could not receive message");
to_c_str(answer.type), (int)answer.type, (int)s, (int)MessageType::SIMCALL_EXECUTE_ANSWER,
(int)sizeof(answer));
- this->remote_process_->clear_cache();
- if (this->remote_process_->running())
- checker_side_.dispatch(); // The app may send messages while processing the transition
-
- if (new_transition)
- return recv_transition(transition.aid_, transition.times_considered_, answer.simcall, answer.buffer);
- else
+ if (new_transition) {
+ std::stringstream stream(answer.buffer.data());
+ return deserialize_transition(aid, times_considered, stream);
+ } else
return nullptr;
}
-bool ModelChecker::simcall_is_visible(aid_t aid)
-{
- xbt_assert(mc_model_checker != nullptr, "This should be called from the checker side");
-
- s_mc_message_simcall_is_visible_t m;
- memset(&m, 0, sizeof(m));
- m.type = MessageType::SIMCALL_IS_VISIBLE;
- m.aid = aid;
- checker_side_.get_channel().send(m);
-
- s_mc_message_simcall_is_visible_answer_t answer;
- ssize_t s = checker_side_.get_channel().receive(answer);
- xbt_assert(s != -1, "Could not receive message");
- xbt_assert(s == sizeof(answer) && answer.type == MessageType::SIMCALL_IS_VISIBLE_ANSWER,
- "Received unexpected message %s (%i, size=%i) "
- "expected MessageType::SIMCALL_IS_VISIBLE_ANSWER (%i, size=%i)",
- to_c_str(answer.type), (int)answer.type, (int)s, (int)MessageType::SIMCALL_IS_VISIBLE_ANSWER,
- (int)sizeof(answer));
-
- XBT_DEBUG("is_visible(%ld) is returning %s", aid, answer.value ? "true" : "false");
-
- this->remote_process_->clear_cache();
- return answer.value;
-}
-
-std::string ModelChecker::simcall_dot_label(aid_t aid, int times_considered)
-{
- xbt_assert(mc_model_checker != nullptr, "This should be called from the checker side");
-
- s_mc_message_simcall_to_string_t m;
- memset(&m, 0, sizeof(m));
- m.type = MessageType::SIMCALL_DOT_LABEL;
- m.aid = aid;
- m.time_considered = times_considered;
- checker_side_.get_channel().send(m);
-
- s_mc_message_simcall_to_string_answer_t answer;
- ssize_t s = checker_side_.get_channel().receive(answer);
- xbt_assert(s != -1, "Could not receive message");
- xbt_assert(s == sizeof(answer) && answer.type == MessageType::SIMCALL_DOT_LABEL_ANSWER,
- "Received unexpected message %s (%i, size=%i) "
- "expected MessageType::SIMCALL_TO_STRING_ANSWER (%i, size=%i)",
- to_c_str(answer.type), (int)answer.type, (int)s, (int)MessageType::SIMCALL_DOT_LABEL_ANSWER,
- (int)sizeof(answer));
-
- XBT_DEBUG("dot_label(%ld) is returning %s", aid, answer.value);
- return answer.value;
-}
void ModelChecker::finalize_app(bool terminate_asap)
{
xbt_assert(checker_side_.get_channel().receive(answer) != -1, "Could not receive answer to FINALIZE");
}
-bool ModelChecker::checkDeadlock()
-{
- xbt_assert(checker_side_.get_channel().send(MessageType::DEADLOCK_CHECK) == 0, "Could not check deadlock state");
- s_mc_message_int_t message;
- ssize_t s = checker_side_.get_channel().receive(message);
- xbt_assert(s != -1, "Could not receive message");
- xbt_assert(s == sizeof(message) && message.type == MessageType::DEADLOCK_CHECK_REPLY,
- "Received unexpected message %s (%i, size=%i) "
- "expected MessageType::DEADLOCK_CHECK_REPLY (%i, size=%i)",
- to_c_str(message.type), (int)message.type, (int)s, (int)MessageType::DEADLOCK_CHECK_REPLY,
- (int)sizeof(message));
- return message.value != 0;
-}
-
} // namespace mc
} // namespace simgrid