diff --git a/src/storm/cli/cli.cpp b/src/storm/cli/cli.cpp index b28f068c3..6d938735c 100644 --- a/src/storm/cli/cli.cpp +++ b/src/storm/cli/cli.cpp @@ -655,7 +655,9 @@ namespace storm { verifyProperties(input.properties, [&sparseModel] (std::shared_ptr const& formula) { std::unique_ptr result = storm::api::verifyWithSparseEngine(sparseModel, storm::api::createTask(formula, true)); - result->filter(storm::modelchecker::ExplicitQualitativeCheckResult(sparseModel->getInitialStates())); + if (result) { + result->filter(storm::modelchecker::ExplicitQualitativeCheckResult(sparseModel->getInitialStates())); + } return result; }); } @@ -665,7 +667,9 @@ namespace storm { verifyProperties(input.properties, [&model] (std::shared_ptr const& formula) { auto symbolicModel = model->as>(); std::unique_ptr result = storm::api::verifyWithHybridEngine(symbolicModel, storm::api::createTask(formula, true)); - result->filter(storm::modelchecker::SymbolicQualitativeCheckResult(symbolicModel->getReachableStates(), symbolicModel->getInitialStates())); + if (result) { + result->filter(storm::modelchecker::SymbolicQualitativeCheckResult(symbolicModel->getReachableStates(), symbolicModel->getInitialStates())); + } return result; }); } @@ -675,7 +679,9 @@ namespace storm { verifyProperties(input.properties, [&model] (std::shared_ptr const& formula) { auto symbolicModel = model->as>(); std::unique_ptr result = storm::api::verifyWithDdEngine(model->as>(), storm::api::createTask(formula, true)); - result->filter(storm::modelchecker::SymbolicQualitativeCheckResult(symbolicModel->getReachableStates(), symbolicModel->getInitialStates())); + if (result) { + result->filter(storm::modelchecker::SymbolicQualitativeCheckResult(symbolicModel->getReachableStates(), symbolicModel->getInitialStates())); + } return result; }); }