diff --git a/src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java b/src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java
index c7959005..f8d4a363 100644
--- a/src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java
+++ b/src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java
@@ -16,6 +16,7 @@ import de.dhbwstuttgart.syntaxtree.ParameterList;
 import de.dhbwstuttgart.syntaxtree.SourceFile;
 import de.dhbwstuttgart.syntaxtree.factory.ASTFactory;
 import de.dhbwstuttgart.syntaxtree.factory.UnifyTypeFactory;
+import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
 import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
 import de.dhbwstuttgart.syntaxtree.visual.ASTTypePrinter;
 import de.dhbwstuttgart.typeinference.constraints.Constraint;
@@ -30,6 +31,7 @@ import de.dhbwstuttgart.typeinference.unify.model.FiniteClosure;
 import de.dhbwstuttgart.typeinference.unify.model.PairOperator;
 import de.dhbwstuttgart.typeinference.unify.model.PlaceholderType;
 import de.dhbwstuttgart.typeinference.unify.model.UnifyPair;
+import de.dhbwstuttgart.typeinference.unify.model.UnifyType;
 import de.dhbwstuttgart.typeinference.unify.TypeUnifyTask;
 
 import java.io.File;
@@ -283,7 +285,24 @@ public class JavaTXCompiler {
 			FiniteClosure finiteClosure = UnifyTypeFactory.generateFC(allClasses,logFile);
 			System.out.println(finiteClosure);
 			ConstraintSet<UnifyPair> unifyCons = UnifyTypeFactory.convert(cons);
-
+			
+			Function<UnifyPair, UnifyPair> distributeInnerVars = 
+					x -> { 
+						UnifyType lhs, rhs;
+						if (((lhs = x.getLhsType()) instanceof PlaceholderType) 
+						   && ((rhs = x.getRhsType()) instanceof PlaceholderType)
+						   && (((PlaceholderType)lhs).isInnerType()
+						      ||  ((PlaceholderType)rhs).isInnerType()))
+						{
+							((PlaceholderType)lhs).setInnerType(true);
+							((PlaceholderType)rhs).setInnerType(true);
+						}
+						return x;
+					
+					};
+		    logFile.write(unifyCons.toString());
+			unifyCons = unifyCons.map(distributeInnerVars);	
+			logFile.write(unifyCons.toString());
 			TypeUnify unify = new TypeUnify();
 			//Set<Set<UnifyPair>> results = new HashSet<>(); Nach vorne gezogen
 			logFile.write("FC:\\" + finiteClosure.toString()+"\n");
diff --git a/src/main/java/de/dhbwstuttgart/syntaxtree/factory/UnifyTypeFactory.java b/src/main/java/de/dhbwstuttgart/syntaxtree/factory/UnifyTypeFactory.java
index 2a9f2261..f3fbdd63 100644
--- a/src/main/java/de/dhbwstuttgart/syntaxtree/factory/UnifyTypeFactory.java
+++ b/src/main/java/de/dhbwstuttgart/syntaxtree/factory/UnifyTypeFactory.java
@@ -120,8 +120,8 @@ public class UnifyTypeFactory {
     }
 
     public static UnifyType convert(TypePlaceholder tph, Boolean innerType){
-    	if (tph.getName().equals("AFQ")) {
-    		System.out.println("");
+    	if (tph.getName().equals("AFR")) {
+    		System.out.println("XXX"+innerType);
     	}
     	PlaceholderType ntph = new PlaceholderType(tph.getName());
     	int in = PLACEHOLDERS.indexOf(ntph);
@@ -132,21 +132,16 @@ public class UnifyTypeFactory {
 		}
 		else {
 			 PlaceholderType oldpht = PLACEHOLDERS.get(in);
-			 if (oldpht.isWildcardable()) {
-				 return oldpht;
-			 }
-			 else {
-				 oldpht.setInnerType(innerType);
-				 return oldpht;
-			 }
+			 oldpht.setInnerType(oldpht.isInnerType() || innerType);
+			 return oldpht;
 		}
     }
 
-    public static UnifyType convert(GenericRefType t){
+    public static UnifyType convert(GenericRefType t, Boolean innerType){
         return new ReferenceType(t.getParsedName());
     }
 
-    public static UnifyType convert(WildcardType t){
+    public static UnifyType convert(WildcardType t, Boolean innerType){
         if(t.isExtends())
             return new ExtendsType(UnifyTypeFactory.convert(t.getInnerType(), false));
         else if(t.isSuper())
diff --git a/src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java b/src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java
index 9ac4404a..64e08376 100644
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java
@@ -578,6 +578,7 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 		
 		
 		//Aufruf von computeCartesianRecursive ANFANG
+		//writeLog("topLevelSets: " + topLevelSets.toString());
 		return computeCartesianRecursive(new HashSet<>(), new ArrayList<>(topLevelSets), eq, oderConstraintsOutput, fc, parallel, rekTiefe);
 	
 	}
@@ -610,9 +611,9 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 			/*
 			 * Step 5: Substitution
 			 */
-			//System.out.println("vor Subst: " + eqPrime);
+			//writeLog("vor Subst: " + eqPrime);
 			Optional<Set<UnifyPair>> eqPrimePrime = rules.subst(eqPrime);
-			
+			//writeLog("nach Subst: " + eqPrimePrime);
 			/*
 			 * Step 6 a) Restart (fork) for pairs where subst was applied
 			 */
@@ -797,7 +798,7 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 			writeLog("a1: " + rekTiefe + "  "+ a.toString()+ "\n");
 			elems.add(a);
 			//if (remainingSets.isEmpty()) {//muss immer gegeben sein, weil nur 1 Element der topLevelSets mehr als ein Elemet enthaelt
-				//writeLog("Vor unify2 Aufruf: " + eq.toString());
+				//writeLog("Vor unify2 Aufruf: " + elems.toString());
 				Set<Set<UnifyPair>> res = unify2(elems, eq, oderConstraints, fc, parallel, rekTiefe);
 				if (!isUndefinedPairSetSet(res) && isUndefinedPairSetSet(result)) {
 					//wenn korrektes Ergebnis gefunden alle Fehlerfaelle loeschen
@@ -1585,6 +1586,7 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 						for(int i = 0; !allGen && i < theta.getTypeParams().size(); i++) {
 							if(freshTphs.size()-1 < i)//IST DAS RICHTIG??? PL 2018-12-12
 								freshTphs.add(PlaceholderType.freshPlaceholder());
+							freshTphs.forEach(x -> ((PlaceholderType)x).setInnerType(true));
 							resultPrime.add(new UnifyPair(freshTphs.get(i), theta.getTypeParams().get(i), PairOperator.SMALLERDOTWC, pair.getSubstitution(), pair));
 						}
 						
@@ -1768,6 +1770,7 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 		UnifyType freshTph = PlaceholderType.freshPlaceholder();
 		
 		((PlaceholderType)freshTph).setVariance(a.getVariance());
+		((PlaceholderType)freshTph).disableWildcardtable();
 		resultPrime = new HashSet<>();
 		resultPrime.add(new UnifyPair(a, new ExtendsType(freshTph), PairOperator.EQUALSDOT, pair.getSubstitution(), pair));
 		resultPrime.add(new UnifyPair(theta, freshTph, PairOperator.SMALLERDOT, pair.getSubstitution(), pair, pair.getfBounded()));
@@ -1821,11 +1824,13 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 	void writeLog(String str) {
 		if (log) {
 			try {
-				logFile.write(str+"\n");
+				logFile.write(str+"\n\n");
 				logFile.flush();
 			
 			}
-			catch (IOException e) { }
+			catch (IOException e) { 
+				System.err.println("kein LogFile");
+			}
 			}
 	}
 }
diff --git a/src/main/java/de/dhbwstuttgart/typeinference/unify/model/OrderingUnifyPair.java b/src/main/java/de/dhbwstuttgart/typeinference/unify/model/OrderingUnifyPair.java
index 249892ed..73d73578 100644
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/model/OrderingUnifyPair.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/model/OrderingUnifyPair.java
@@ -30,7 +30,8 @@ public class OrderingUnifyPair extends Ordering<Set<UnifyPair>> {
 	 * in dem compare(Theta, Theta') aufgerufen wird.
 	 */
 	public int compareEq (UnifyPair left, UnifyPair right) {
-		if (left.getRhsType() instanceof WildcardType || right.getRhsType() instanceof WildcardType) {
+		//if (left.getRhsType() instanceof WildcardType || right.getRhsType() instanceof WildcardType) {//PL 2019-01-12 ausgetauscht
+		if (((PlaceholderType)left.getLhsType()).isInnerType() && ((PlaceholderType)right.getLhsType()).isInnerType()) {
 			return fc.compare(left.getRhsType(), right.getRhsType(), PairOperator.SMALLERDOTWC);
 		}
 			else	 {
diff --git a/src/main/java/de/dhbwstuttgart/typeinference/unify/model/PlaceholderType.java b/src/main/java/de/dhbwstuttgart/typeinference/unify/model/PlaceholderType.java
index 9d54a065..60cf342f 100644
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/model/PlaceholderType.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/model/PlaceholderType.java
@@ -49,7 +49,7 @@ public final class PlaceholderType extends UnifyType{
 	/**
 	 * is innerType gibt an, ob der Type des PlaceholderType innerhalb eines Typkonstruktorsverwendet wird
 	 */
-	private boolean innerType = true;  
+	private boolean innerType = false;  
 	
 	/**
      * variance shows the variance of the pair
@@ -137,6 +137,10 @@ public final class PlaceholderType extends UnifyType{
 		this.wildcardable = wildcardable;
 	}
 	
+	public Boolean isInnerType() {
+		return innerType;
+	}
+	
 	public void setInnerType(Boolean innerType) {
 		this.innerType = innerType;
 	}
diff --git a/src/main/java/de/dhbwstuttgart/typeinference/unify/model/UnifyPair.java b/src/main/java/de/dhbwstuttgart/typeinference/unify/model/UnifyPair.java
index f3e5eb02..19f6010f 100644
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/model/UnifyPair.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/model/UnifyPair.java
@@ -219,10 +219,10 @@ public class UnifyPair {
 	public String toString() {
 		String ret = "";
 		if (lhs instanceof PlaceholderType) {
-			ret = new Integer(((PlaceholderType)lhs).getVariance()).toString();
+			ret = new Integer(((PlaceholderType)lhs).getVariance()).toString() + " " + ((PlaceholderType)lhs).isInnerType();
 		}
 		if (rhs instanceof PlaceholderType) {
-			ret = ret + ", " + new Integer(((PlaceholderType)rhs).getVariance()).toString();
+			ret = ret + ", " + new Integer(((PlaceholderType)rhs).getVariance()).toString() + " " + ((PlaceholderType)rhs).isInnerType();
 		}
 		return "(" + lhs + " " + pairOp + " " + rhs + ", " + ret + ")"; //+ ", [" + getfBounded().toString()+ "])";
 	}