Enabled checking formula nodes that contain an expression in the variable of the program.

Former-commit-id: fba632e7f4

src/modelchecker/AbstractModelChecker.cpp

@@ -115,7 +115,9 @@ namespace storm {
         }
         
         std::unique_ptr<CheckResult> AbstractModelChecker::checkAtomicExpressionFormula(storm::logic::AtomicExpressionFormula const& stateFormula) {
-            STORM_LOG_THROW(false, storm::exceptions::NotImplementedException, "This model checker does not support the formula: " << stateFormula << ".");
+            std::stringstream stream;
+            stream << stateFormula.getExpression();
+            return this->checkAtomicLabelFormula(storm::logic::AtomicLabelFormula(stream.str()));
         }
         
         std::unique_ptr<CheckResult> AbstractModelChecker::checkAtomicLabelFormula(storm::logic::AtomicLabelFormula const& stateFormula) {

src/modelchecker/reachability/SparseDtmcEliminationModelChecker.cpp

@@ -58,6 +58,8 @@ namespace storm {
                 }
             } else if (formula.isPropositionalFormula()) {
                 return true;
+            } else {
+                std::cout << formula << " and type " << typeid(formula).name() << std::endl;
             }
             return false;
         }