X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/18f3ec7b57418d4881c22646dfbb991ac6f9b7a7..3e8cbdbebfce89fb0abf0cb8710c8505e111d097:/src/mc/VisitedState.cpp

diff --git a/src/mc/VisitedState.cpp b/src/mc/VisitedState.cpp
index fa2302adb3..126c26a09c 100644
--- a/src/mc/VisitedState.cpp
+++ b/src/mc/VisitedState.cpp
@@ -1,16 +1,17 @@
-/* Copyright (c) 2011-2022. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2011-2023. The SimGrid Team. All rights reserved.          */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
 #include "src/mc/VisitedState.hpp"
+#include "src/mc/explo/Exploration.hpp"
+#include "src/mc/mc_config.hpp"
 #include "src/mc/mc_private.hpp"
 
 #include <unistd.h>
 #include <sys/wait.h>
 #include <memory>
 #include <boost/range/algorithm.hpp>
-#include "src/mc/api.hpp"
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_VisitedState, mc, "Logging specific to state equality detection mechanisms");
 
@@ -20,7 +21,7 @@ namespace simgrid::mc {
 VisitedState::VisitedState(unsigned long state_number, unsigned int actor_count)
     : actor_count_(actor_count), num(state_number)
 {
-  this->heap_bytes_used = Api::get().get_remote_heap_bytes();
+  this->heap_bytes_used = mc_model_checker->get_remote_process().get_remote_heap_bytes();
   this->system_state = std::make_shared<simgrid::mc::Snapshot>(state_number);
 }
 
@@ -39,42 +40,42 @@ void VisitedStates::prune()
 }
 
 /** @brief Checks whether a given state has already been visited by the algorithm. */
-std::unique_ptr<simgrid::mc::VisitedState>
-VisitedStates::addVisitedState(unsigned long state_number, simgrid::mc::State* graph_state, bool compare_snapshots)
+std::unique_ptr<simgrid::mc::VisitedState> VisitedStates::addVisitedState(unsigned long state_number,
+                                                                          simgrid::mc::State* graph_state)
 {
   auto new_state = std::make_unique<simgrid::mc::VisitedState>(state_number, graph_state->get_actor_count());
   graph_state->set_system_state(new_state->system_state);
   XBT_DEBUG("Snapshot %p of visited state %ld (exploration stack state %ld)", new_state->system_state.get(),
             new_state->num, graph_state->get_num());
 
-  auto [range_begin, range_end] = boost::range::equal_range(states_, new_state.get(), Api::get().compare_pair());
+  auto [range_begin, range_end] = boost::range::equal_range(states_, new_state.get(), [](auto const& a, auto const& b) {
+    return std::make_pair(a->actor_count_, a->heap_bytes_used) < std::make_pair(b->actor_count_, b->heap_bytes_used);
+  });
 
-  if (compare_snapshots)
-    for (auto i = range_begin; i != range_end; ++i) {
-      auto& visited_state = *i;
-      if (Api::get().snapshot_equal(visited_state->system_state.get(), new_state->system_state.get())) {
-        // The state has been visited:
+  for (auto i = range_begin; i != range_end; ++i) {
+    auto& visited_state = *i;
+    if (*visited_state->system_state.get() == *new_state->system_state.get()) {
+      // The state has been visited:
 
-        std::unique_ptr<simgrid::mc::VisitedState> old_state =
-          std::move(visited_state);
+      std::unique_ptr<simgrid::mc::VisitedState> old_state = std::move(visited_state);
 
-        if (old_state->original_num == -1) // I'm the copy of an original process
-          new_state->original_num = old_state->num;
-        else // I'm the copy of a copy
-          new_state->original_num = old_state->original_num;
+      if (old_state->original_num == -1) // I'm the copy of an original process
+        new_state->original_num = old_state->num;
+      else // I'm the copy of a copy
+        new_state->original_num = old_state->original_num;
 
-        XBT_DEBUG("State %ld already visited ! (equal to state %ld (state %ld in dot_output))", new_state->num,
-                  old_state->num, new_state->original_num);
+      XBT_DEBUG("State %ld already visited ! (equal to state %ld (state %ld in dot_output))", new_state->num,
+                old_state->num, new_state->original_num);
 
-        /* Replace the old state with the new one (with a bigger num)
-           (when the max number of visited states is reached,  the oldest
-           one is removed according to its number (= with the min number) */
-        XBT_DEBUG("Replace visited state %ld with the new visited state %ld", old_state->num, new_state->num);
+      /* Replace the old state with the new one (with a bigger num)
+          (when the max number of visited states is reached,  the oldest
+          one is removed according to its number (= with the min number) */
+      XBT_DEBUG("Replace visited state %ld with the new visited state %ld", old_state->num, new_state->num);
 
-        visited_state = std::move(new_state);
-        return old_state;
-      }
+      visited_state = std::move(new_state);
+      return old_state;
     }
+  }
 
   XBT_DEBUG("Insert new visited state %ld (total : %lu)", new_state->num, (unsigned long)states_.size());
   states_.insert(range_begin, std::move(new_state));