diff --git a/src/modelchecker/AbstractModelChecker.h b/src/modelchecker/AbstractModelChecker.h
index 244b35df1..698aaa466 100644
--- a/src/modelchecker/AbstractModelChecker.h
+++ b/src/modelchecker/AbstractModelChecker.h
@@ -15,6 +15,7 @@ template <class Type> class AbstractModelChecker;
 #include "src/exceptions/InvalidPropertyException.h"
 #include "src/formula/Formulas.h"
 #include "src/storage/BitVector.h"
+#include "src/models/AbstractModel.h"
 
 #include <iostream>
 
@@ -50,6 +51,15 @@ class AbstractModelChecker :
 	public virtual storm::formula::IInstantaneousRewardModelChecker<Type> {
 	
 public:
+	explicit AbstractModelChecker(storm::models::AbstractModel<Type>& model)
+		: model(model) {
+		// Nothing to do here...
+	}
+	
+	explicit AbstractModelChecker(AbstractModelChecker<Type>* modelChecker)
+		: model(modelChecker->model) {
+	}
+	
 	template <template <class T> class Target>
 	const Target<Type>* as() const {
 		try {
@@ -154,6 +164,19 @@ public:
 		delete quantitativeResult;
 		return result;
 	}
+	
+	void setModel(storm::models::AbstractModel<Type>& model) {
+		this->model = model;
+	}
+	
+	template <class Model>
+	Model& getModel() const {
+		return *dynamic_cast<Model*>(&this->model);
+	}
+
+private:
+	storm::models::AbstractModel<Type>& model;
+
 };
 
 } //namespace modelChecker
diff --git a/src/modelchecker/DtmcPrctlModelChecker.h b/src/modelchecker/DtmcPrctlModelChecker.h
index 61a9b2ffd..a31caac13 100644
--- a/src/modelchecker/DtmcPrctlModelChecker.h
+++ b/src/modelchecker/DtmcPrctlModelChecker.h
@@ -39,14 +39,22 @@ namespace modelChecker {
  */
 template<class Type>
 class DtmcPrctlModelChecker : 
-	public virtual AbstractModelChecker<Type> {
+	public AbstractModelChecker<Type> {
+
+private:
+	/*!
+	 *	Make default constructor private.
+	 */
+	explicit DtmcPrctlModelChecker() {}
+
 public:
 	/*!
 	 * Constructor
 	 *
 	 * @param model The dtmc model which is checked.
 	 */
-	explicit DtmcPrctlModelChecker(storm::models::Dtmc<Type>& model) : model(model) {
+	explicit DtmcPrctlModelChecker(storm::models::Dtmc<Type>& model)
+		: AbstractModelChecker<Type>(model) {
 		// Intentionally left empty.
 	}
 
@@ -55,8 +63,7 @@ public:
 	 *
 	 * @param modelChecker The model checker that is copied.
 	 */
-	explicit DtmcPrctlModelChecker(const storm::modelChecker::DtmcPrctlModelChecker<Type>* modelChecker) {
-		this->model = new storm::models::Dtmc<Type>(modelChecker->getModel());
+	explicit DtmcPrctlModelChecker(const storm::modelChecker::DtmcPrctlModelChecker<Type>* modelChecker) : AbstractModelChecker<Type>(modelChecker) {
 	}
 
 	/*!
@@ -70,7 +77,7 @@ public:
 	 * @returns A reference to the dtmc of the model checker.
 	 */
 	storm::models::Dtmc<Type>& getModel() const {
-		return this->model;
+		return AbstractModelChecker<Type>::template getModel<storm::models::Dtmc<Type>>();
 	}
 
 	/*!
@@ -78,7 +85,7 @@ public:
 	 * @param model
 	 */
 	void setModel(storm::models::Dtmc<Type>& model) {
-		this->model = &model;
+		AbstractModelChecker<Type>::setModel(model);
 	}
 
 	/*!
@@ -268,7 +275,7 @@ public:
 	virtual std::vector<Type>* checkReachabilityReward(const storm::formula::ReachabilityReward<Type>& formula, bool qualitative) const = 0;
 
 private:
-	storm::models::Dtmc<Type>& model;
+//	storm::models::Dtmc<Type>& model;
 };
 
 } //namespace modelChecker
diff --git a/src/modelchecker/GmmxxDtmcPrctlModelChecker.h b/src/modelchecker/GmmxxDtmcPrctlModelChecker.h
index fdd246843..d4aeef764 100644
--- a/src/modelchecker/GmmxxDtmcPrctlModelChecker.h
+++ b/src/modelchecker/GmmxxDtmcPrctlModelChecker.h
@@ -36,10 +36,12 @@ namespace modelChecker {
  * A model checking engine that makes use of the gmm++ backend.
  */
 template <class Type>
-class GmmxxDtmcPrctlModelChecker : public DtmcPrctlModelChecker<Type> {
+class GmmxxDtmcPrctlModelChecker
+	: public DtmcPrctlModelChecker<Type> {
 
 public:
-	explicit GmmxxDtmcPrctlModelChecker(storm::models::Dtmc<Type>& dtmc) : DtmcPrctlModelChecker<Type>(dtmc) {
+	explicit GmmxxDtmcPrctlModelChecker(storm::models::Dtmc<Type>& dtmc)
+		: DtmcPrctlModelChecker<Type>(dtmc) {
 		// Intentionally left empty.
 	}
 
diff --git a/src/modelchecker/MdpPrctlModelChecker.h b/src/modelchecker/MdpPrctlModelChecker.h
index c2fad0b21..319efd12a 100644
--- a/src/modelchecker/MdpPrctlModelChecker.h
+++ b/src/modelchecker/MdpPrctlModelChecker.h
@@ -40,15 +40,22 @@ namespace modelChecker {
  */
 template<class Type>
 class MdpPrctlModelChecker :
-	public virtual AbstractModelChecker<Type> {
+	public AbstractModelChecker<Type> {
+
+private:
+	/*!
+	 *	Make default constructor private.
+	 */
+	explicit MdpPrctlModelChecker() {}
+
 public:
 	/*!
 	 * Constructor
 	 *
 	 * @param model The dtmc model which is checked.
 	 */
-	explicit MdpPrctlModelChecker(storm::models::Mdp<Type>& model) : model(model), minimumOperatorStack() {
-
+	explicit MdpPrctlModelChecker(storm::models::Mdp<Type>& model)
+		: AbstractModelChecker<Type>(model), minimumOperatorStack() {
 	}
 
 	/*!
@@ -56,7 +63,8 @@ public:
 	 *
 	 * @param modelChecker The model checker that is copied.
 	 */
-	explicit MdpPrctlModelChecker(const storm::modelChecker::MdpPrctlModelChecker<Type>* modelChecker) : model(new storm::models::Mdp<Type>(modelChecker->getModel())),  minimumOperatorStack() {
+	explicit MdpPrctlModelChecker(const storm::modelChecker::MdpPrctlModelChecker<Type>* modelChecker)
+		: AbstractModelChecker<Type>(modelChecker),  minimumOperatorStack() {
 
 	}
 
@@ -71,7 +79,7 @@ public:
 	 * @returns A reference to the dtmc of the model checker.
 	 */
 	storm::models::Mdp<Type>& getModel() const {
-		return this->model;
+		return AbstractModelChecker<Type>::template getModel<storm::models::Mdp<Type>>();
 	}
 
 	/*!
@@ -79,7 +87,7 @@ public:
 	 * @param model
 	 */
 	void setModel(storm::models::Mdp<Type>& model) {
-		this->model = &model;
+		AbstractModelChecker<Type>::setModel(model);
 	}
 
 	/*!
@@ -273,9 +281,6 @@ public:
 	 */
 	virtual std::vector<Type>* checkReachabilityReward(const storm::formula::ReachabilityReward<Type>& formula, bool qualitative) const = 0;
 
-private:
-	storm::models::Mdp<Type>& model;
-
 protected:
 	mutable std::stack<bool> minimumOperatorStack;
 };