diff --git a/src/fdtmc/FDTMC.java b/src/fdtmc/FDTMC.java
index ef21282..f2d2714 100644
--- a/src/fdtmc/FDTMC.java
+++ b/src/fdtmc/FDTMC.java
@@ -11,6 +11,8 @@
 import java.util.Map;
 import java.util.Set;
 
+import com.sun.org.apache.xml.internal.dtm.ref.IncrementalSAXSource;
+
 public class FDTMC {
 
     public static final String INITIAL_LABEL = "initial";
@@ -53,21 +55,34 @@ public int getVariableIndex() {
 	}
 
 	public State createState() {
-		State temp = new State();
-		temp.setVariableName(variableName);
-		temp.setIndex(index);
-		states.add(temp);
-		transitionSystem.put(temp, null);
+		State state = new State();
+		state.setVariableName(variableName);
+		state.setIndex(index);
+		addState(state);
+		
+		return state;
+	}
+	
+	private void addState (State state) {
+		states.add(state);
+		transitionSystem.put(state, null);
+		
 		if (index == 0)
-			initialState = temp;
-		index++;
-		return temp;
+			setInitialState(state);
+		
+		increasingIndex();
+		
+	}
+	
+	private int increasingIndex() {
+		return index++;
 	}
 
+
 	public State createState(String label) {
-		State temp = createState();
-		temp.setLabel(label);
-		return temp;
+		State state = createState();
+		state.setLabel(label);
+		return state;
 	}
 
     public State createInitialState() {
@@ -195,8 +210,19 @@ public Transition getTransitionByActionName(String action) {
 	}
 
 
+	public String toState(State temp, Transition t) {
+		String resultado;
+		
+		resultado = temp.getVariableName() + "=" + temp.getIndex() + ((temp.getLabel() != null) ? "(" + temp.getLabel() + ")" : "") +
+				" --- " + t.getActionName() + " / " + t.getProbability() +
+				" ---> " + t.getTarget().getVariableName() + "=" + t.getTarget().getIndex() + ((t.getTarget().getLabel() != null) ? "(" + t.getTarget().getLabel() + ")" : "") + "\n";
+	return resultado;
+	
+	}
+	
 	@Override
 	public String toString() {
+		String resultado = new String();
 		String msg = new String();
 
 		Set<State> tmpStates = this.transitionSystem.keySet();
@@ -208,9 +234,7 @@ public String toString() {
 				Iterator <Transition> itTransitions = transitionList.iterator();
 				while (itTransitions.hasNext()) {
 					Transition t = itTransitions.next();
-					msg += temp.getVariableName() + "=" + temp.getIndex() + ((temp.getLabel() != null) ? "(" + temp.getLabel() + ")" : "") +
-							" --- " + t.getActionName() + " / " + t.getProbability() +
-							" ---> " + t.getTarget().getVariableName() + "=" + t.getTarget().getIndex() + ((t.getTarget().getLabel() != null) ? "(" + t.getTarget().getLabel() + ")" : "") + "\n";
+					msg += resultado;
 				}
 			}
 		}