fixed a bug in the tests that caused a segfault

Former-commit-id: b0c4b1c764

test/functional/utility/GraphTest.cpp

@@ -22,6 +22,8 @@ TEST(GraphTest, SymbolicProb01) {
     
     ASSERT_TRUE(model->getType() == storm::models::ModelType::Dtmc);
     
+    {
+        // This block is necessary, so the BDDs get disposed before the manager (contained in the model).
         std::pair<storm::dd::Bdd<storm::dd::DdType::CUDD>, storm::dd::Bdd<storm::dd::DdType::CUDD>> statesWithProbability01;
         
         ASSERT_NO_THROW(statesWithProbability01 = storm::utility::graph::performProb01(*model->as<storm::models::symbolic::Dtmc<storm::dd::DdType::CUDD>>(), model->getReachableStates(), model->getStates("observe0Greater1")));
@@ -36,6 +38,7 @@ TEST(GraphTest, SymbolicProb01) {
         EXPECT_EQ(5829ul, statesWithProbability01.first.getNonZeroCount());
         EXPECT_EQ(1032ul, statesWithProbability01.second.getNonZeroCount());
     }
+}
 
 TEST(GraphTest, SymbolicProb01MinMax) {
     storm::prism::Program program = storm::parser::PrismParser::parse(STORM_CPP_TESTS_BASE_PATH "/functional/builder/leader3.nm");
@@ -43,6 +46,8 @@ TEST(GraphTest, SymbolicProb01MinMax) {
     
     ASSERT_TRUE(model->getType() == storm::models::ModelType::Mdp);
     
+    {
+        // This block is necessary, so the BDDs get disposed before the manager (contained in the model).
         std::pair<storm::dd::Bdd<storm::dd::DdType::CUDD>, storm::dd::Bdd<storm::dd::DdType::CUDD>> statesWithProbability01;
         
         ASSERT_NO_THROW(statesWithProbability01 = storm::utility::graph::performProb01Min(*model->as<storm::models::symbolic::Mdp<storm::dd::DdType::CUDD>>(), model->getReachableStates(), model->getStates("elected")));
@@ -52,12 +57,17 @@ TEST(GraphTest, SymbolicProb01MinMax) {
         ASSERT_NO_THROW(statesWithProbability01 = storm::utility::graph::performProb01Max(*model->as<storm::models::symbolic::Mdp<storm::dd::DdType::CUDD>>(), model->getReachableStates(), model->getStates("elected")));
         EXPECT_EQ(0ul, statesWithProbability01.first.getNonZeroCount());
         EXPECT_EQ(364ul, statesWithProbability01.second.getNonZeroCount());
+    }
     
     program = storm::parser::PrismParser::parse(STORM_CPP_TESTS_BASE_PATH "/functional/builder/coin2-2.nm");
     model = storm::builder::DdPrismModelBuilder<storm::dd::DdType::CUDD>::translateProgram(program);
     
     ASSERT_TRUE(model->getType() == storm::models::ModelType::Mdp);
     
+    {
+        // This block is necessary, so the BDDs get disposed before the manager (contained in the model).
+        std::pair<storm::dd::Bdd<storm::dd::DdType::CUDD>, storm::dd::Bdd<storm::dd::DdType::CUDD>> statesWithProbability01;
+        
         ASSERT_NO_THROW(statesWithProbability01 = storm::utility::graph::performProb01Min(*model->as<storm::models::symbolic::Mdp<storm::dd::DdType::CUDD>>(), model->getReachableStates(), model->getStates("all_coins_equal_0")));
         EXPECT_EQ(77ul, statesWithProbability01.first.getNonZeroCount());
         EXPECT_EQ(149ul, statesWithProbability01.second.getNonZeroCount());
@@ -73,12 +83,17 @@ TEST(GraphTest, SymbolicProb01MinMax) {
         ASSERT_NO_THROW(statesWithProbability01 = storm::utility::graph::performProb01Max(*model->as<storm::models::symbolic::Mdp<storm::dd::DdType::CUDD>>(), model->getReachableStates(), model->getStates("all_coins_equal_1")));
         EXPECT_EQ(83ul, statesWithProbability01.first.getNonZeroCount());
         EXPECT_EQ(35ul, statesWithProbability01.second.getNonZeroCount());
+    }
     
     program = storm::parser::PrismParser::parse(STORM_CPP_TESTS_BASE_PATH "/functional/builder/csma2-2.nm");
     model = storm::builder::DdPrismModelBuilder<storm::dd::DdType::CUDD>::translateProgram(program);
     
     ASSERT_TRUE(model->getType() == storm::models::ModelType::Mdp);
     
+    {
+        // This block is necessary, so the BDDs get disposed before the manager (contained in the model).
+        std::pair<storm::dd::Bdd<storm::dd::DdType::CUDD>, storm::dd::Bdd<storm::dd::DdType::CUDD>> statesWithProbability01;
+        
         ASSERT_NO_THROW(statesWithProbability01 = storm::utility::graph::performProb01Min(*model->as<storm::models::symbolic::Mdp<storm::dd::DdType::CUDD>>(), model->getReachableStates(), model->getStates("collision_max_backoff")));
         EXPECT_EQ(993ul, statesWithProbability01.first.getNonZeroCount());
         EXPECT_EQ(16ul, statesWithProbability01.second.getNonZeroCount());
@@ -87,6 +102,7 @@ TEST(GraphTest, SymbolicProb01MinMax) {
         EXPECT_EQ(993ul, statesWithProbability01.first.getNonZeroCount());
         EXPECT_EQ(16ul, statesWithProbability01.second.getNonZeroCount());
     }
+}
 
 #ifdef STORM_HAVE_MSAT