#include "src/simgrid/sg_config.hpp"
#include <simgrid/modelchecker.h>
-#if SIMGRID_HAVE_MC
+#if SIMGRID_HAVE_STATEFUL_MC
#include <string_view>
#endif
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(xbt_cfg);
-bool simgrid::mc::cfg_do_model_check = false;
+static simgrid::mc::ModelCheckingMode model_checking_mode = simgrid::mc::ModelCheckingMode::NONE;
+simgrid::mc::ModelCheckingMode simgrid::mc::get_model_checking_mode()
+{
+ return model_checking_mode;
+}
+void simgrid::mc::set_model_checking_mode(simgrid::mc::ModelCheckingMode mode)
+{
+ model_checking_mode = mode;
+}
static void _mc_cfg_cb_check(const char* spec, bool more_check = true)
{
-#if SIMGRID_HAVE_MC
xbt_assert(_sg_cfg_init_status == 0 || MC_is_active() || MC_record_replay_is_active() || not more_check,
"Specifying a %s is only allowed within the model-checker. Please use simgrid-mc, or specify this option "
"after the replay path.",
spec);
-#else
- xbt_die("Specifying a %s is only allowed within the model-checker. Please enable it before the compilation.", spec);
-#endif
}
/* Replay (this part is enabled even if MC it disabled) */
simgrid::config::Flag<std::string> _sg_mc_record_path{
"model-check/replay", "Model-check path to replay (as reported by SimGrid when a violation is reported)", "",
- [](std::string_view value) { MC_record_path() = value; }};
+ [](std::string_view value) {
+ if (value.empty()) // Ignore default value
+ return;
+ xbt_assert(simgrid::mc::get_model_checking_mode() == simgrid::mc::ModelCheckingMode::NONE ||
+ simgrid::mc::get_model_checking_mode() == simgrid::mc::ModelCheckingMode::REPLAY,
+ "Specifying a MC replay path is not allowed when running the model-checker in mode %s. "
+ "Either remove the model-check/replay parameter, or execute your code out of simgrid-mc.",
+ to_c_str(simgrid::mc::get_model_checking_mode()));
+ simgrid::mc::set_model_checking_mode(simgrid::mc::ModelCheckingMode::REPLAY);
+ MC_record_path() = value;
+ }};
-#if SIMGRID_HAVE_MC
simgrid::config::Flag<bool> _sg_mc_timeout{
"model-check/timeout", "Whether to enable timeouts for wait requests", false, [](bool) {
_mc_cfg_cb_check("value to enable/disable timeout for wait requests", not MC_record_replay_is_active());
static simgrid::config::Flag<std::string> cfg_mc_reduction{
"model-check/reduction", "Specify the kind of exploration reduction (either none or DPOR)", "dpor",
[](std::string_view value) {
- if (value != "none" && value != "dpor")
- xbt_die("configuration option 'model-check/reduction' can only take 'none' or 'dpor' as a value");
+ if (value != "none" && value != "dpor" && value != "sdpor" && value != "odpor")
+ xbt_die("configuration option 'model-check/reduction' must be one of the following: "
+ " 'none', 'dpor', 'sdpor', or 'odpor'");
}};
simgrid::config::Flag<bool> _sg_mc_sleep_set{
"model-check/sleep-set", "Whether to enable the use of sleep-set in the reduction algorithm", false,
[](bool) { _mc_cfg_cb_check("value to enable/disable the use of sleep-set in the reduction algorithm"); }};
+simgrid::config::Flag<std::string> _sg_mc_strategy{
+ "model-check/strategy",
+ "Specify the the kind of heuristic to use for guided model-checking",
+ "none",
+ {{"none", "No specific strategy: simply pick the first available transistion."},
+ {"nb_wait", "Take any enabled wait transition, to reduce the distance between an async and its wait."}}};
+
+#if SIMGRID_HAVE_STATEFUL_MC
simgrid::config::Flag<int> _sg_mc_checkpoint{
"model-check/checkpoint", "Specify the amount of steps between checkpoints during stateful model-checking "
"(default: 0 => stateless verification). If value=1, one checkpoint is saved for each "
"Whether to enable the unfolding-based dynamic partial order reduction to MPI programs", false, [](bool) {
_mc_cfg_cb_check("value to to enable/disable the unfolding-based dynamic partial order reduction to MPI programs");
}};
+#endif
simgrid::config::Flag<std::string> _sg_mc_buffering{
"smpi/buffering",
"model-check/termination", "Whether to enable non progressive cycle detection", false,
[](bool) { _mc_cfg_cb_check("value to enable/disable the detection of non progressive cycles"); }};
-bool simgrid::mc::cfg_use_DPOR()
+simgrid::mc::ReductionMode simgrid::mc::get_model_checking_reduction()
{
- if (cfg_mc_reduction.get() == "dpor" && _sg_mc_max_visited_states__ > 0) {
+ if ((cfg_mc_reduction.get() == "dpor" || cfg_mc_reduction.get() == "sdpor" || cfg_mc_reduction.get() == "odpor") &&
+ _sg_mc_max_visited_states__ > 0) {
XBT_INFO("Disabling DPOR since state-equality reduction is activated with 'model-check/visited'");
- return false;
+ return simgrid::mc::ReductionMode::none;
}
- return cfg_mc_reduction.get() == "dpor";
-}
-#endif
+ if (cfg_mc_reduction.get() == "none") {
+ return ReductionMode::none;
+ } else if (cfg_mc_reduction.get() == "dpor") {
+ return ReductionMode::dpor;
+ } else if (cfg_mc_reduction.get() == "sdpor") {
+ return ReductionMode::sdpor;
+ } else if (cfg_mc_reduction.get() == "odpor") {
+ return ReductionMode::odpor;
+ } else if (cfg_mc_reduction.get() == "udpor") {
+ XBT_INFO("No reduction will be used: "
+ "UDPOR has a dedicated invocation 'model-check/unfolding-checker' "
+ "but is not yet fully supported in SimGrid");
+ return ReductionMode::none;
+ } else {
+ XBT_INFO("Unknown reduction mode: defaulting to no reduction");
+ return ReductionMode::none;
+ }
+}