Settings always initialized now

Former-commit-id: 10764fa8b9

src/settings/SettingsManager.cpp

@@ -72,11 +72,12 @@ namespace storm {
         
         void SettingsManager::setFromString(std::string const& commandLineString) {
             if (commandLineString.empty()) {
-                return;
+                this->setFromExplodedString({});
+            } else {
+                std::vector<std::string> argumentVector;
+                boost::split(argumentVector, commandLineString, boost::is_any_of("\t "));
+                this->setFromExplodedString(argumentVector);
             }
-            std::vector<std::string> argumentVector;
-            boost::split(argumentVector, commandLineString, boost::is_any_of("\t "));
-            this->setFromExplodedString(argumentVector);
         }
         
         void SettingsManager::setFromExplodedString(std::vector<std::string> const& commandLineArguments) {
@@ -548,4 +549,4 @@ namespace storm {
             return dynamic_cast<storm::settings::modules::SparseDtmcEliminationModelCheckerSettings const&>(manager().getModule(storm::settings::modules::SparseDtmcEliminationModelCheckerSettings::moduleName));
         }
     }
-}
+}