Various sonar cleanups

[simgrid.git] / src / mc / explo / DFSExplorer.cpp

diff --git a/src/mc/explo/DFSExplorer.cpp b/src/mc/explo/DFSExplorer.cpp
index 0fb95fd..b328d15 100644 (file)
--- a/src/mc/explo/DFSExplorer.cpp
+++ b/src/mc/explo/DFSExplorer.cpp
@@ -8,8 +8,10 @@
 #include "src/mc/mc_exit.hpp"
 #include "src/mc/mc_private.hpp"
 #include "src/mc/mc_record.hpp"
+#include "src/mc/remote/mc_protocol.h"
 #include "src/mc/transition/Transition.hpp"
 
+#include "xbt/asserts.h"
 #include "xbt/log.h"
 #include "xbt/string.hpp"
 #include "xbt/sysdep.h"
@@ -81,7 +83,7 @@ void DFSExplorer::log_state() // override
   XBT_INFO("DFS exploration ended. %ld unique states visited; %lu backtracks (%lu transition replays, %lu states "
            "visited overall)",
            State::get_expanded_states(), backtrack_count_, Transition::get_replayed_transitions(),
-          visited_states_count_);
+           visited_states_count_);
   Exploration::log_state();
 }
 
@@ -137,6 +139,18 @@ void DFSExplorer::run()
                                                                : std::get<0>(state->next_transition_guided());
 
     if (next < 0 || not state->is_actor_enabled(next)) {
+      if (next >= 0) { // Actor is not enabled, then
+        XBT_DEBUG(
+            "Reduction %s wants to execute a disabled transition %s. If it's ODPOR, ReversibleRace is suboptimal.",
+            to_c_str(reduction_mode_), state->get_actors_list().at(next).get_transition()->to_string(true).c_str());
+        if (reduction_mode_ == ReductionMode::odpor) {
+          // Remove the disabled transition from the wakeup tree so that ODPOR doesn't try it again
+          state->remove_subtree_at_aid(next);
+          state->add_sleep_set(state->get_actors_list().at(next).get_transition());
+        } else {
+          xbt_assert(false, "Only ODPOR should be confident enought in itself to try executing a disabled transition");
+        }
+      }
       // If there is no more transition in the current state (or if ODPOR picked an actor that is not enabled --
       // ReversibleRace is an overapproximation), backtrace
       XBT_VERB("%lu actors remain, but none of them need to be interleaved (depth %zu).", state->get_actor_count(),
@@ -356,15 +370,19 @@ void DFSExplorer::backtrack()
      * ("eventually looks like C", viz. the `~_E` relation)
      */
     for (auto e_prime = static_cast<odpor::Execution::EventHandle>(0); e_prime <= last_event.value(); ++e_prime) {
+      XBT_DEBUG("ODPOR: Now considering all possible race with `%u`", e_prime);
       for (const auto e : execution_seq_.get_reversible_races_of(e_prime)) {
         XBT_DEBUG("ODPOR: Reversible race detected between events `%u` and `%u`", e, e_prime);
         State& prev_state = *stack_[e];
         if (const auto v = execution_seq_.get_odpor_extension_from(e, e_prime, prev_state); v.has_value()) {
           switch (prev_state.insert_into_wakeup_tree(v.value(), execution_seq_.get_prefix_before(e))) {
             case odpor::WakeupTree::InsertionResult::root: {
-              XBT_DEBUG("ODPOR: Reversible race with `%u` unaccounted for in the wakeup tree for "
-                        "the execution prior to event `%u`:",
-                        e_prime, e);
+              XBT_DEBUG("ODPOR: Reversible race with `%u`(%ld: %.20s) unaccounted for in the wakeup tree for "
+                        "the execution prior to event `%u`(%ld: %.20s):",
+                        e_prime, stack_[e_prime]->get_transition_out()->aid_,
+                        stack_[e_prime]->get_transition_out()->to_string(true).c_str(), e,
+                        prev_state.get_transition_out()->aid_,
+                        prev_state.get_transition_out()->to_string(true).c_str());
               break;
             }
             case odpor::WakeupTree::InsertionResult::interior_node: {
@@ -415,7 +433,7 @@ void DFSExplorer::backtrack()
 
   // Search how to restore the backtracking point
   std::deque<Transition*> replay_recipe;
-  for (auto* s = backtracking_point.get(); s != nullptr; s = s->get_parent_state().get()) {
+  for (const auto* s = backtracking_point.get(); s != nullptr; s = s->get_parent_state().get()) {
     if (s->get_transition_in() != nullptr) // The root has no transition_in
       replay_recipe.push_front(s->get_transition_in().get());
   }