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A few calls to mc_model_checker less by passing more parameters
[simgrid.git] / src / mc / explo / LivenessChecker.cpp
index 3d45e8d..370a146 100644 (file)
@@ -1,4 +1,4 @@
-/* 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. */
@@ -19,13 +19,15 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_liveness, mc, "Logging specific to algorithms
 namespace simgrid::mc {
 
 VisitedPair::VisitedPair(int pair_num, xbt_automaton_state_t prop_state,
-                         std::shared_ptr<const std::vector<int>> atomic_propositions, std::shared_ptr<State> app_state)
+                         std::shared_ptr<const std::vector<int>> atomic_propositions, std::shared_ptr<State> app_state,
+                         RemoteApp& remote_app)
     : num(pair_num), prop_state_(prop_state)
 {
+  auto& memory     = mc_model_checker->get_remote_process_memory();
   this->app_state_ = std::move(app_state);
   if (not this->app_state_->get_system_state())
-    this->app_state_->set_system_state(std::make_shared<Snapshot>(pair_num));
-  this->heap_bytes_used     = Api::get().get_remote_heap_bytes();
+    this->app_state_->set_system_state(std::make_shared<Snapshot>(pair_num, remote_app.get_page_store(), memory));
+  this->heap_bytes_used     = memory.get_remote_heap_bytes();
   this->actor_count_        = app_state_->get_actor_count();
   this->other_num           = -1;
   this->atomic_propositions = std::move(atomic_propositions);
@@ -59,23 +61,24 @@ std::shared_ptr<const std::vector<int>> LivenessChecker::get_proposition_values(
 
 std::shared_ptr<VisitedPair> LivenessChecker::insert_acceptance_pair(simgrid::mc::Pair* pair)
 {
-  auto new_pair =
-      std::make_shared<VisitedPair>(pair->num, pair->prop_state_, pair->atomic_propositions, pair->app_state_);
+  auto new_pair = std::make_shared<VisitedPair>(pair->num, pair->prop_state_, pair->atomic_propositions,
+                                                pair->app_state_, get_remote_app());
 
-  auto [res_begin, res_end] = boost::range::equal_range(acceptance_pairs_, new_pair.get(), Api::get().compare_pair());
+  auto [res_begin,
+        res_end] = boost::range::equal_range(acceptance_pairs_, new_pair.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 (pair->search_cycle)
     for (auto i = res_begin; i != res_end; ++i) {
       std::shared_ptr<simgrid::mc::VisitedPair> const& pair_test = *i;
       if (xbt_automaton_state_compare(pair_test->prop_state_, new_pair->prop_state_) != 0 ||
           *(pair_test->atomic_propositions) != *(new_pair->atomic_propositions) ||
-          not Api::get().snapshot_equal(pair_test->app_state_->get_system_state(),
-                                        new_pair->app_state_->get_system_state()))
+          (*pair_test->app_state_->get_system_state() != *new_pair->app_state_->get_system_state()))
         continue;
       XBT_INFO("Pair %d already reached (equal to pair %d) !", new_pair->num, pair_test->num);
       exploration_stack_.pop_back();
-      mc_model_checker->dot_output("\"%d\" -> \"%d\" [%s];\n", this->previous_pair_, pair_test->num,
-                                   this->previous_request_.c_str());
+      dot_output("\"%d\" -> \"%d\" [%s];\n", this->previous_pair_, pair_test->num, this->previous_request_.c_str());
       return nullptr;
     }
 
@@ -100,7 +103,7 @@ void LivenessChecker::replay()
   if (_sg_mc_checkpoint > 0) {
     const Pair* pair = exploration_stack_.back().get();
     if (const auto* system_state = pair->app_state_->get_system_state()) {
-      system_state->restore(&get_remote_app().get_remote_process());
+      system_state->restore(get_remote_app().get_remote_process_memory());
       return;
     }
   }
@@ -136,18 +139,19 @@ int LivenessChecker::insert_visited_pair(std::shared_ptr<VisitedPair> visited_pa
     return -1;
 
   if (visited_pair == nullptr)
-    visited_pair =
-        std::make_shared<VisitedPair>(pair->num, pair->prop_state_, pair->atomic_propositions, pair->app_state_);
+    visited_pair = std::make_shared<VisitedPair>(pair->num, pair->prop_state_, pair->atomic_propositions,
+                                                 pair->app_state_, get_remote_app());
 
-  auto [range_begin, range_end] =
-      boost::range::equal_range(visited_pairs_, visited_pair.get(), Api::get().compare_pair());
+  auto [range_begin,
+        range_end] = boost::range::equal_range(visited_pairs_, visited_pair.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);
+  });
 
   for (auto i = range_begin; i != range_end; ++i) {
     const VisitedPair* pair_test = i->get();
     if (xbt_automaton_state_compare(pair_test->prop_state_, visited_pair->prop_state_) != 0 ||
         *(pair_test->atomic_propositions) != *(visited_pair->atomic_propositions) ||
-        not Api::get().snapshot_equal(pair_test->app_state_->get_system_state(),
-                                      visited_pair->app_state_->get_system_state()))
+        (*pair_test->app_state_->get_system_state() != *visited_pair->app_state_->get_system_state()))
       continue;
     if (pair_test->other_num == -1)
       visited_pair->other_num = pair_test->num;
@@ -177,13 +181,12 @@ void LivenessChecker::purge_visited_pairs()
 LivenessChecker::LivenessChecker(const std::vector<char*>& args) : Exploration(args) {}
 LivenessChecker::~LivenessChecker()
 {
-  if (property_automaton_ != nullptr)
-    xbt_automaton_free(property_automaton_);
+  xbt_automaton_free(property_automaton_);
 }
 
 xbt_automaton_t LivenessChecker::property_automaton_ = nullptr;
 
-void LivenessChecker::automaton_load(const char* file)
+void LivenessChecker::automaton_load(const char* file) const
 {
   if (property_automaton_ == nullptr)
     property_automaton_ = xbt_automaton_new();
@@ -239,7 +242,8 @@ xbt_automaton_state_t LivenessChecker::get_automaton_transition_dst(xbt_dynar_t
   const xbt_automaton_transition* transition = xbt_dynar_get_as(dynar, index, xbt_automaton_transition_t);
   return transition->dst;
 }
-void LivenessChecker::automaton_register_symbol(RemoteProcess& remote_process, const char* name, RemotePtr<int> address)
+void LivenessChecker::automaton_register_symbol(RemoteProcessMemory const& remote_process, const char* name,
+                                                RemotePtr<int> address)
 {
   if (property_automaton_ == nullptr)
     property_automaton_ = xbt_automaton_new();
@@ -272,7 +276,9 @@ void LivenessChecker::show_acceptance_cycle(std::size_t depth)
   XBT_INFO("Counter-example that violates formula:");
   for (auto const& s : this->get_textual_trace())
     XBT_INFO("  %s", s.c_str());
-  XBT_INFO("Path = %s", get_record_trace().to_string().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();
   XBT_INFO("Counter-example depth: %zu", depth);
 }
@@ -384,9 +390,7 @@ void LivenessChecker::run()
     if (not current_pair->exploration_started) {
       int visited_num = this->insert_visited_pair(reached_pair, current_pair.get());
       if (visited_num != -1) {
-        mc_model_checker->dot_output("\"%d\" -> \"%d\" [%s];\n", this->previous_pair_, visited_num,
-                                     this->previous_request_.c_str());
-        mc_model_checker->dot_output_flush();
+        dot_output("\"%d\" -> \"%d\" [%s];\n", this->previous_pair_, visited_num, this->previous_request_.c_str());
 
         XBT_DEBUG("Pair already visited (equal to pair %d), exploration on the current path stopped.", visited_num);
         current_pair->requests = 0;
@@ -395,20 +399,18 @@ void LivenessChecker::run()
       }
     }
 
-    current_pair->app_state_->execute_next(current_pair->app_state_->next_transition());
+    current_pair->app_state_->execute_next(current_pair->app_state_->next_transition(), get_remote_app());
     XBT_DEBUG("Execute: %s", current_pair->app_state_->get_transition()->to_string().c_str());
 
     /* Update the dot output */
     if (this->previous_pair_ != 0 && this->previous_pair_ != current_pair->num) {
-      mc_model_checker->dot_output("\"%d\" -> \"%d\" [%s];\n", this->previous_pair_, current_pair->num,
-                                   this->previous_request_.c_str());
+      dot_output("\"%d\" -> \"%d\" [%s];\n", this->previous_pair_, current_pair->num, this->previous_request_.c_str());
       this->previous_request_.clear();
     }
     this->previous_pair_    = current_pair->num;
     this->previous_request_ = current_pair->app_state_->get_transition()->dot_string();
     if (current_pair->search_cycle)
-      mc_model_checker->dot_output("%d [shape=doublecircle];\n", current_pair->num);
-    mc_model_checker->dot_output_flush();
+      dot_output("%d [shape=doublecircle];\n", current_pair->num);
 
     if (not current_pair->exploration_started)
       visited_pairs_count_++;