X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/02a0b077329593921105001a7f27463ba2d82ced..239cd16f4e95031d3a106e487c1485726069f1d7:/src/mc/api/State.cpp

diff --git a/src/mc/api/State.cpp b/src/mc/api/State.cpp
index f91a36959a..90045f501b 100644
--- a/src/mc/api/State.cpp
+++ b/src/mc/api/State.cpp
@@ -4,6 +4,7 @@
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
 #include "src/mc/api/State.hpp"
+#include "src/mc/explo/Exploration.hpp"
 #include "src/mc/mc_config.hpp"
 
 #include <boost/range/algorithm.hpp>
@@ -14,13 +15,47 @@ namespace simgrid::mc {
 
 long State::expended_states_ = 0;
 
-State::State(const RemoteApp& remote_app) : num_(++expended_states_)
+State::State(RemoteApp& remote_app) : num_(++expended_states_)
 {
   remote_app.get_actors_status(actors_to_run_);
 
   /* Stateful model checking */
-  if ((_sg_mc_checkpoint > 0 && (num_ % _sg_mc_checkpoint == 0)) || _sg_mc_termination) {
-    system_state_ = std::make_shared<simgrid::mc::Snapshot>(num_);
+  if ((_sg_mc_checkpoint > 0 && (num_ % _sg_mc_checkpoint == 0)) || _sg_mc_termination)
+    system_state_ = std::make_shared<simgrid::mc::Snapshot>(num_, remote_app.get_page_store(),
+                                                            remote_app.get_remote_process_memory());
+}
+
+State::State(RemoteApp& remote_app, const State* parent_state)
+    :  num_(++expended_states_), parent_state_(parent_state)
+{
+
+  remote_app.get_actors_status(actors_to_run_);
+
+  /* Stateful model checking */
+  if ((_sg_mc_checkpoint > 0 && (num_ % _sg_mc_checkpoint == 0)) || _sg_mc_termination)
+    system_state_ = std::make_shared<simgrid::mc::Snapshot>(num_, remote_app.get_page_store(),
+                                                            remote_app.get_remote_process_memory());
+
+  
+  /* If we want sleep set reduction, copy the sleep set and eventually removes things from it */ 
+  if (_sg_mc_sleep_set) {      
+      /* For each actor in the previous sleep set, keep it if it is not dependent with current transition.
+       * And if we kept it and the actor is enabled in this state, mark the actor as already done, so that
+       * it is not explored*/
+      for (auto& [aid, transition] : parent_state_->get_sleep_set()) {
+
+	  if (not parent_state_->get_transition()->depends(&transition)) {
+
+	      sleep_set_.emplace(aid, transition);
+	      if (actors_to_run_.count(aid) != 0) {
+		  XBT_DEBUG("Actor %ld will not be explored, for it is in the sleep set", aid);
+
+		  actors_to_run_.at(aid).mark_done();
+	      }
+	  } else
+	      XBT_DEBUG("Transition >>%s<< removed from the sleep set because it was dependent with >>%s<<",
+			transition.to_string().c_str(), parent_state_->get_transition()->to_string().c_str());
+      }
   }
 }
 
@@ -29,6 +64,15 @@ std::size_t State::count_todo() const
   return boost::range::count_if(this->actors_to_run_, [](auto& pair) { return pair.second.is_todo(); });
 }
 
+void State::mark_all_enabled_todo()
+{
+  for (auto const& [aid, _] : this->get_actors_list()) {
+      if (this->is_actor_enabled(aid) and not is_actor_done(aid)) {
+      this->mark_todo(aid);
+    }
+  }
+}
+
 Transition* State::get_transition() const
 {
   return transition_;
@@ -39,15 +83,26 @@ aid_t State::next_transition() const
   XBT_DEBUG("Search for an actor to run. %zu actors to consider", actors_to_run_.size());
   for (auto const& [aid, actor] : actors_to_run_) {
     /* Only consider actors (1) marked as interleaving by the checker and (2) currently enabled in the application */
-    if (not actor.is_todo() || not actor.is_enabled())
+    if (not actor.is_todo() || not actor.is_enabled() || actor.is_done()) {
+
+      if (not actor.is_todo())
+        XBT_DEBUG("Can't run actor %ld because it is not todo", aid);
+
+      if (not actor.is_enabled())
+        XBT_DEBUG("Can't run actor %ld because it is not enabled", aid);
+
+      if (actor.is_done())
+        XBT_DEBUG("Can't run actor %ld because it has already been done", aid);
+
       continue;
+    }
 
     return aid;
   }
   return -1;
 }
 
-void State::execute_next(aid_t next)
+void State::execute_next(aid_t next, RemoteApp& app)
 {
   // This actor is ready to be executed. Execution involves three phases:
 
@@ -57,15 +112,15 @@ void State::execute_next(aid_t next)
   const unsigned times_considered          = actor_state.do_consider();
   const auto* expected_executed_transition = actor_state.get_transition(times_considered);
   xbt_assert(expected_executed_transition != nullptr,
-             "Expected a transition with %d times considered to be noted in actor %lu", times_considered, next);
+             "Expected a transition with %u times considered to be noted in actor %ld", times_considered, next);
 
   XBT_DEBUG("Let's run actor %ld (times_considered = %u)", next, times_considered);
 
   // 2. Execute the actor according to the preparation above
   Transition::executed_transitions_++;
-  auto* just_executed = mc_model_checker->handle_simcall(next, times_considered, true);
+  auto* just_executed = app.handle_simcall(next, times_considered, true);
   xbt_assert(just_executed->type_ == expected_executed_transition->type_,
-             "The transition that was just executed by actor %lu, viz:\n"
+             "The transition that was just executed by actor %ld, viz:\n"
              "%s\n"
              "is not what was purportedly scheduled to execute, which was:\n"
              "%s\n",
@@ -82,6 +137,6 @@ void State::execute_next(aid_t next)
   auto executed_transition = std::unique_ptr<Transition>(just_executed);
   actor_state.set_transition(std::move(executed_transition), times_considered);
 
-  mc_model_checker->wait_for_requests();
+  app.wait_for_requests();
 }
 } // namespace simgrid::mc