highlevel counterexamples for smt: get conflict set directly

src/storm/counterexamples/SMTMinimalLabelSetGenerator.h

@@ -1860,8 +1860,7 @@ namespace storm {
                 std::cout << std::endl << "Extended command for lower bounded property to size " << commandSet.size() << " in " << std::chrono::duration_cast<std::chrono::milliseconds>(endTime - startTime).count() << "ms." << std::endl;
             }
 
-            static std::shared_ptr<PrismHighLevelCounterexample> computeCounterexample(Environment const& env, storm::prism::Program program, storm::models::sparse::Mdp<T> const& mdp, std::shared_ptr<storm::logic::Formula const> const& formula) {
-#ifdef STORM_HAVE_Z3
+            static boost::container::flat_set<uint_fast64_t>  computeCounterexampleCommandSet(Environment const& env, storm::prism::Program program, storm::models::sparse::Mdp<T> const& mdp, std::shared_ptr<storm::logic::Formula const> const& formula) {
                 std::cout << std::endl << "Generating minimal label counterexample for formula " << *formula << std::endl;
 
                 STORM_LOG_THROW(formula->isProbabilityOperatorFormula(), storm::exceptions::InvalidPropertyException, "Counterexample generation does not support this kind of formula. Expecting a probability operator as the outermost formula element.");
@@ -1936,6 +1935,12 @@ namespace storm {
                 if (lowerBoundedFormula) {
                     extendCommandSetLowerBound(mdp, commandSet, phiStates, psiStates);
                 }
+                return commandSet;
+            }
+
+            static std::shared_ptr<PrismHighLevelCounterexample> computeCounterexample(Environment const& env, storm::prism::Program program, storm::models::sparse::Mdp<T> const& mdp, std::shared_ptr<storm::logic::Formula const> const& formula) {
+#ifdef STORM_HAVE_Z3
+                auto commandSet = computeCounterexampleCommandSet(env, program, mdp, formula);
                 
                 return std::make_shared<PrismHighLevelCounterexample>(program.restrictCommands(commandSet));