simple sanity check for bounded integers in jani

src/storm/parser/JaniParser.cpp

@@ -706,6 +706,9 @@ namespace storm {
                         }
                         STORM_LOG_THROW(lowerboundExpr.hasIntegerType(), storm::exceptions::InvalidJaniException, "Lower bound for bounded integer variable " << name << "(scope: " << scopeDescription << ") must be integer-typed");
                         STORM_LOG_THROW(upperboundExpr.hasIntegerType(), storm::exceptions::InvalidJaniException, "Upper bound for bounded integer variable " << name << "(scope: " << scopeDescription << ") must be integer-typed");
+                        if(!lowerboundExpr.containsVariables() && !upperboundExpr.containsVariables()) {
+                            STORM_LOG_THROW(lowerboundExpr.evaluateAsInt() <= upperboundExpr.evaluateAsInt(), storm::exceptions::InvalidJaniException, "Lower bound must not be larger than upper bound for bounded integer variable "  << name << "(scope: " << scopeDescription << ")");
+                        }
                         return storm::jani::makeBoundedIntegerVariable(name, expressionManager->declareIntegerVariable(exprManagerName), initVal, transientVar, lowerboundExpr, upperboundExpr);
                     } else {
                         STORM_LOG_THROW(false, storm::exceptions::InvalidJaniException, "Unsupported base " << basictype << " for bounded variable " << name << "(scope: " << scopeDescription << ") ");