diff --git a/src/storm/solver/Z3LpSolver.cpp b/src/storm/solver/Z3LpSolver.cpp
index 1dcc1a7f0..0c4bbc3e8 100644
--- a/src/storm/solver/Z3LpSolver.cpp
+++ b/src/storm/solver/Z3LpSolver.cpp
@@ -26,7 +26,6 @@ namespace storm {
         
         template<typename ValueType>
         Z3LpSolver<ValueType>::Z3LpSolver(std::string const& name, OptimizationDirection const& optDir) : LpSolver<ValueType>(optDir) {
-            STORM_LOG_WARN_COND(name == "", "Z3 does not support names for solvers");
             z3::config config;
             config.set("model", true);
             context = std::unique_ptr<z3::context>(new z3::context(config));
@@ -137,7 +136,6 @@ namespace storm {
         void Z3LpSolver<ValueType>::addConstraint(std::string const& name, storm::expressions::Expression const& constraint) {
             STORM_LOG_THROW(constraint.isRelationalExpression(), storm::exceptions::InvalidArgumentException, "Illegal constraint is not a relational expression.");
             STORM_LOG_THROW(constraint.getOperator() != storm::expressions::OperatorType::NotEqual, storm::exceptions::InvalidArgumentException, "Illegal constraint uses inequality operator.");
-            STORM_LOG_WARN_COND(name == "", "Z3 does not support names for constraints");
             solver->add(expressionAdapter->translateExpression(constraint));
         }
         
diff --git a/src/storm/transformer/SymbolicToSparseTransformer.cpp b/src/storm/transformer/SymbolicToSparseTransformer.cpp
index 8ebac17de..cf3b46ab3 100644
--- a/src/storm/transformer/SymbolicToSparseTransformer.cpp
+++ b/src/storm/transformer/SymbolicToSparseTransformer.cpp
@@ -68,6 +68,11 @@ namespace storm {
             storm::models::sparse::StateLabeling labelling(transitionMatrix.getRowGroupCount());
 
             labelling.addLabel("init", symbolicMdp.getInitialStates().toVector(odd));
+            symbolicMdp.getDeadlockStates().template toAdd<ValueType>().exportToDot("deadlock.dot");
+            std::cout << "height " << odd.getHeight() << std::endl;
+            for (auto const& var : symbolicMdp.getDeadlockStates().getContainedMetaVariables()) {
+                std::cout << "var " << var.getName() << " = " << symbolicMdp.getManager().getMetaVariable(var).getNumberOfDdVariables() << " dd vars" << std::endl;
+            }
             labelling.addLabel("deadlock", symbolicMdp.getDeadlockStates().toVector(odd));
             for(auto const& label : symbolicMdp.getLabels()) {
                 labelling.addLabel(label, symbolicMdp.getStates(label).toVector(odd));