Discard the wakeup tree when ODPOR reaches a disabled transition

[simgrid.git] / src / mc / transition / TransitionSynchro.cpp

diff --git a/src/mc/transition/TransitionSynchro.cpp b/src/mc/transition/TransitionSynchro.cpp
index a0c16de..f98a352 100644 (file)
--- a/src/mc/transition/TransitionSynchro.cpp
+++ b/src/mc/transition/TransitionSynchro.cpp
@@ -29,6 +29,10 @@ bool BarrierTransition::depends(const Transition* o) const
   if (o->type_ < type_)
     return o->depends(this);
 
+  // Actions executed by the same actor are always dependent
+  if (o->aid_ == aid_)
+    return true;
+
   if (const auto* other = dynamic_cast<const BarrierTransition*>(o)) {
     if (bar_ != other->bar_)
       return false;
@@ -105,22 +109,27 @@ bool MutexTransition::depends(const Transition* o) const
 std::string SemaphoreTransition::to_string(bool verbose) const
 {
   if (type_ == Type::SEM_ASYNC_LOCK || type_ == Type::SEM_UNLOCK)
-    return xbt::string_printf("%s(semaphore: %" PRIxPTR ")", Transition::to_c_str(type_), sem_);
+      return xbt::string_printf("%s(semaphore: %u, capacity: %u)", Transition::to_c_str(type_), sem_, capacity_);
   if (type_ == Type::SEM_WAIT)
-    return xbt::string_printf("%s(semaphore: %" PRIxPTR ", granted: %s)", Transition::to_c_str(type_), sem_,
+    return xbt::string_printf("%s(semaphore: %u, capacity: %u, granted: %s)", Transition::to_c_str(type_), sem_,
+                             capacity_,
                               granted_ ? "yes" : "no");
   THROW_IMPOSSIBLE;
 }
 SemaphoreTransition::SemaphoreTransition(aid_t issuer, int times_considered, Type type, std::stringstream& stream)
     : Transition(type, issuer, times_considered)
 {
-  xbt_assert(stream >> sem_ >> granted_);
+  xbt_assert(stream >> sem_ >> granted_ >> capacity_);
 }
 bool SemaphoreTransition::depends(const Transition* o) const
 {
   if (o->type_ < type_)
     return o->depends(this);
 
+  // Actions executed by the same actor are always dependent
+  if (o->aid_ == aid_)
+    return true;
+
   if (const auto* other = dynamic_cast<const SemaphoreTransition*>(o)) {
     if (sem_ != other->sem_)
       return false;
@@ -138,6 +147,10 @@ bool SemaphoreTransition::depends(const Transition* o) const
     if (type_ == Type::SEM_UNLOCK && other->type_ == Type::SEM_UNLOCK)
       return false;
 
+    // UNLCOK indep with a WAIT if the semaphore had enought capacity anyway
+    if (type_ == Type::SEM_UNLOCK && capacity_ > 1 && other->type_ == Type::SEM_WAIT )
+      return false;
+    
     // WAIT indep WAIT:
     // if both enabled (may happen in the initial value is sufficient), the ordering has no impact on the result.
     // If only one enabled, the other won't be enabled by the first one.
@@ -145,6 +158,7 @@ bool SemaphoreTransition::depends(const Transition* o) const
     if (type_ == Type::SEM_WAIT && other->type_ == Type::SEM_WAIT)
       return false;
 
+    
     return true; // Other semaphore cases are dependent
   }