diff --git a/src/settings/OptionBuilder.h b/src/settings/OptionBuilder.h
index 622a7cb1c..f70ac7c2a 100644
--- a/src/settings/OptionBuilder.h
+++ b/src/settings/OptionBuilder.h
@@ -85,7 +85,7 @@ namespace storm {
              * @return The resulting option.
              */
             std::shared_ptr<Option> build() {
-                STORM_LOG_THROW(!this->isBuild, storm::exceptions::IllegalFunctionCallException, "Cannot rebuild an option with one builder.")
+                STORM_LOG_THROW(!this->isBuild, storm::exceptions::IllegalFunctionCallException, "Cannot rebuild an option with one builder.");
 				this->isBuild = true;
 
                 if (this->hasShortName) {
diff --git a/src/storage/expressions/ToRationalFunctionVisitor.cpp b/src/storage/expressions/ToRationalFunctionVisitor.cpp
index d2d86b716..97501aa1b 100644
--- a/src/storage/expressions/ToRationalFunctionVisitor.cpp
+++ b/src/storage/expressions/ToRationalFunctionVisitor.cpp
@@ -65,7 +65,7 @@ namespace storm {
             if (variablePair != variableToVariableMap.end()) {
                 return convertVariableToPolynomial(variablePair->second);
             } else {
-                carl::Variable carlVariable = carl::freshVariable(expression.getVariableName(), carl::VariableType::VT_REAL);
+                carl::Variable carlVariable = carl::freshRealVariable(expression.getVariableName());
                 variableToVariableMap.emplace(expression.getVariable(), carlVariable);
                 return convertVariableToPolynomial(carlVariable);
             }
diff --git a/src/utility/macros.h b/src/utility/macros.h
index b84cd53b5..037d1882b 100644
--- a/src/utility/macros.h
+++ b/src/utility/macros.h
@@ -12,19 +12,19 @@ extern log4cplus::Logger logger;
  * Define the macros STORM_LOG_DEBUG and STORM_LOG_TRACE.
  */
 #define STORM_LOG_DEBUG(message)                \
-{                                               \
+do {                                            \
     LOG4CPLUS_DEBUG(logger, message);           \
 } while (false)                                 \
 
 #define STORM_LOG_TRACE(message)                \
-{                                               \
+do {                                            \
     LOG4CPLUS_TRACE(logger, message);           \
 } while (false)                                 \
 
 // Define STORM_LOG_ASSERT which is only checked when NDEBUG is not set.
 #ifndef NDEBUG
 #define STORM_LOG_ASSERT(cond, message)         \
-{                                               \
+do {                                            \
 if (!(cond)) {                                  \
 LOG4CPLUS_ERROR(logger, message);               \
 assert(cond);                                   \
@@ -36,7 +36,7 @@ assert(cond);                                   \
 #endif
 // Define STORM_LOG_THROW to always throw the exception with the given message if the condition fails to hold.
 #define STORM_LOG_THROW(cond, exception, message)     \
-{                                               \
+do {                                            \
     if (!(cond)) {                              \
         LOG4CPLUS_ERROR(logger, message);       \
         throw exception() << message;           \
@@ -46,36 +46,36 @@ assert(cond);                                   \
 
 // Define STORM_LOG_WARN, STORM_LOG_ERROR and STORM_LOG_INFO to log the given message with the corresponding log levels.
 #define STORM_LOG_WARN(message)                 \
-{                                               \
+do {                                            \
     LOG4CPLUS_WARN(logger, message);            \
 } while (false)                                 \
 
 #define STORM_LOG_WARN_COND(cond, message)      \
-{                                               \
+do {                                            \
     if (!(cond)) {                              \
         LOG4CPLUS_WARN(logger, message);        \
     }                                           \
 } while (false)                                 \
 
 #define STORM_LOG_INFO(message)                 \
-{                                               \
+do {                                            \
     LOG4CPLUS_INFO(logger, message);            \
 } while (false)                                 \
 
 #define STORM_LOG_INFO_COND(cond, message)      \
-{                                               \
+do {                                            \
     if (!(cond)) {                              \
         LOG4CPLUS_INFO(logger, message);        \
     }                                           \
 } while (false)                                 \
 
 #define STORM_LOG_ERROR(message)                \
-{                                               \
+do {                                            \
     LOG4CPLUS_ERROR(logger, message);           \
 } while (false)                                 \
 
 #define STORM_LOG_ERROR_COND(cond, message)     \
-{                                               \
+do {                                            \
     if (!(cond)) {                              \
         LOG4CPLUS_ERROR(logger, message);       \
     }                                           \