diff --git a/src/storm-dft-cli/storm-dyftee.cpp b/src/storm-dft-cli/storm-dyftee.cpp
index 6864e98c6..fdc4a4d5e 100644
--- a/src/storm-dft-cli/storm-dyftee.cpp
+++ b/src/storm-dft-cli/storm-dyftee.cpp
@@ -48,7 +48,7 @@ void analyzeDFT(std::string filename, std::string property, bool symred, bool al
 
     storm::parser::DFTGalileoParser<ValueType> parser;
     storm::storage::DFT<ValueType> dft = parser.parseDFT(filename);
-    std::vector<std::shared_ptr<storm::logic::Formula const>> formulas = storm::parseFormulasForExplicit(property);
+    std::vector<std::shared_ptr<storm::logic::Formula const>> formulas = storm::extractFormulasFromProperties(storm::parsePropertiesForExplicit(property));
     STORM_LOG_ASSERT(formulas.size() == 1, "Wrong number of formulas.");
 
     storm::modelchecker::DFTModelChecker<ValueType> modelChecker;
@@ -156,7 +156,7 @@ int main(const int argc, const char** argv) {
 
             storm::expressions::Expression targetExpression = exprManager->integer(1) == topfailedVar.getExpressionVariable().getExpression();
             auto evtlFormula = std::make_shared<storm::logic::AtomicExpressionFormula>(targetExpression);
-            auto tbFormula = std::make_shared<storm::logic::BoundedUntilFormula>(std::make_shared<storm::logic::BooleanLiteralFormula>(true), evtlFormula, 0.0, 10.0);
+            auto tbFormula = std::make_shared<storm::logic::BoundedUntilFormula>(std::make_shared<storm::logic::BooleanLiteralFormula>(true), evtlFormula, storm::logic::TimeBound(false, exprManager->integer(0)), storm::logic::TimeBound(false, exprManager->integer(10)), storm::logic::TimeBoundType::Time);
             auto tbUntil = std::make_shared<storm::logic::ProbabilityOperatorFormula>(tbFormula);
             
             auto evFormula = std::make_shared<storm::logic::EventuallyFormula>(evtlFormula, storm::logic::FormulaContext::Time);
diff --git a/src/storm/builder/jit/ExplicitJitJaniModelBuilder.cpp b/src/storm/builder/jit/ExplicitJitJaniModelBuilder.cpp
index b3edd7e73..7a55f0c8a 100644
--- a/src/storm/builder/jit/ExplicitJitJaniModelBuilder.cpp
+++ b/src/storm/builder/jit/ExplicitJitJaniModelBuilder.cpp
@@ -50,7 +50,13 @@ namespace storm {
                 if (settings.isCompilerSet()) {
                     compiler = settings.getCompiler();
                 } else {
-                    compiler = "c++";
+                    const char* cxxEnv = std::getenv("CXX");
+                    if (cxxEnv != nullptr) {
+                        compiler = std::string(cxxEnv);
+                    }
+                    if (compiler.empty()) {
+                        compiler = "c++";
+                    }
                 }
                 if (settings.isCompilerFlagsSet()) {
                     compilerFlags = settings.getCompilerFlags();
@@ -1509,7 +1515,7 @@ namespace storm {
                         if (this->options.isBuildAllLabelsSet() || this->options.getLabelNames().find(variable.getName()) != this->options.getLabelNames().end()) {
                             cpptempl::data_map label;
                             label["name"] = variable.getName();
-                            label["predicate"] = expressionTranslator.translate(shiftVariablesWrtLowerBound(model.getLabelExpression(variable.asBooleanVariable(), parallelAutomata)), storm::expressions::ToCppTranslationOptions(variablePrefixes, variableToName));
+                            label["predicate"] = expressionTranslator.translate(shiftVariablesWrtLowerBound(model.getLabelExpression(variable.asBooleanVariable(), parallelAutomata)), storm::expressions::ToCppTranslationOptions(variablePrefixes, variableToName, storm::expressions::ToCppTranslationMode::CastDouble));
                             labels.push_back(label);
                         }
                     }
@@ -1518,7 +1524,7 @@ namespace storm {
                 for (auto const& expression : this->options.getExpressionLabels()) {
                     cpptempl::data_map label;
                     label["name"] = expression.toString();
-                    label["predicate"] = expressionTranslator.translate(shiftVariablesWrtLowerBound(expression), storm::expressions::ToCppTranslationOptions(variablePrefixes, variableToName));
+                    label["predicate"] = expressionTranslator.translate(shiftVariablesWrtLowerBound(expression), storm::expressions::ToCppTranslationOptions(variablePrefixes, variableToName, storm::expressions::ToCppTranslationMode::CastDouble));
                     labels.push_back(label);
                 }
                     
diff --git a/src/storm/settings/SettingsManager.cpp b/src/storm/settings/SettingsManager.cpp
index 7dc541a2a..b5db92f3d 100644
--- a/src/storm/settings/SettingsManager.cpp
+++ b/src/storm/settings/SettingsManager.cpp
@@ -349,6 +349,7 @@ namespace storm {
         
         void SettingsManager::setOptionArguments(std::string const& optionName, std::shared_ptr<Option> option, std::vector<std::string> const& argumentCache) {
             STORM_LOG_THROW(argumentCache.size() <= option->getArgumentCount(), storm::exceptions::OptionParserException, "Too many arguments for option '" << optionName << "'.");
+            STORM_LOG_THROW(!option->getHasOptionBeenSet(), storm::exceptions::OptionParserException, "Option '" << optionName << "' is set multiple times.");
             
             // Now set the provided argument values one by one.
             for (uint_fast64_t i = 0; i < argumentCache.size(); ++i) {