diff --git a/src/main/java/de/dhbwstuttgart/syntaxtree/visual/OutputGenerator.java b/src/main/java/de/dhbwstuttgart/syntaxtree/visual/OutputGenerator.java
index 3dfca38a..078a7407 100644
--- a/src/main/java/de/dhbwstuttgart/syntaxtree/visual/OutputGenerator.java
+++ b/src/main/java/de/dhbwstuttgart/syntaxtree/visual/OutputGenerator.java
@@ -7,6 +7,7 @@ import de.dhbwstuttgart.syntaxtree.type.*;
 
 import java.lang.reflect.Modifier;
 import java.util.Iterator;
+import java.util.Optional;
 
 public class OutputGenerator implements ASTVisitor{
     private static final String TAB = "  ";
@@ -123,6 +124,11 @@ public class OutputGenerator implements ASTVisitor{
             f.accept(this);
             out.append("\n");
         }
+        Optional<Constructor> fI;
+        if ((fI = classOrInterface.getfieldInitializations()).isPresent()) {
+        	out.append("Initializations:");
+        	fI.get().accept(this);
+        }
         for(Method m : classOrInterface.getMethods()){
             out.append(tabs);
             m.accept(this);
diff --git a/src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java b/src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java
index 684077e4..cf67b857 100644
--- a/src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java
@@ -169,6 +169,13 @@ public class TYPEStmt implements StatementVisitor{
         for(MethodAssumption m : this.getMethods(methodCall.name, methodCall.arglist, info)){
             GenericsResolver resolver = getResolverInstance();
             methodConstraints.add(generateConstraint(methodCall, m, info, resolver));
+            resolver = getResolverInstance();
+            Constraint<Pair> oneMethodConstraint = generateConstraint(methodCall, m, info, resolver);
+            oneMethodConstraint = oneMethodConstraint.stream().map(x -> (x.TA1 instanceof TypePlaceholder && x.GetOperator() == PairOperator.EQUALSDOT &&
+            															 !(x.TA2 instanceof TypePlaceholder)) ?
+            			                  new Pair(x.TA1, new ExtendsWildcardType(x.TA2, x.TA2.getOffset()), PairOperator.EQUALSDOT) :
+            			                  x).collect(Collectors.toCollection(Constraint::new));
+            methodConstraints.add(oneMethodConstraint);
         }
         if(methodConstraints.size()<1){
             throw new TypeinferenceException("Methode "+methodCall.name+" ist nicht vorhanden!",methodCall.getOffset());
diff --git a/src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java b/src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java
index 8f13f01f..73fddb07 100644
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java
@@ -639,7 +639,8 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 				 			  	 .filter(x -> x.getGroundBasePair().getLhsType() instanceof PlaceholderType && 
 				 			  			 x.getRhsType() instanceof ReferenceType &&
 				 			  			 x.getPairOp() == PairOperator.EQUALSDOT)
-				 			  	 .map(x -> ((PlaceholderType)x.getGroundBasePair().getLhsType()).getVariance())
+				 			  	 .map(x -> 
+				 			  	 ((PlaceholderType)x.getGroundBasePair().getLhsType()).getVariance())
 				 			  	 .findAny();
 			//Fuer Operatorenaufrufe wird variance auf 2 gesetzt
 			//Es werden alle Elemente des Kartesischen Produkts abgearbeitet
@@ -671,6 +672,27 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 			a_next = nextSetasList.iterator().next();
 		}
 		*/
+		if (variance == 2) {
+			writeLog("VARIANCE2 " + nextSetasList.toString());
+			Set<UnifyPair> XX = nextSetasList.iterator()
+		  	 .next()
+		  	 .stream()
+		  	 .filter(x -> 
+		  	         x.getGroundBasePair().getLhsType() instanceof PlaceholderType && 
+		  			 ! (x.getRhsType() instanceof PlaceholderType) &&
+		  			 x.getPairOp() == PairOperator.EQUALSDOT)
+			.collect(Collectors.toCollection(HashSet::new));
+			
+			Set<Integer> sI = XX.stream() 
+		  	 .map(x -> 
+		  	 ((PlaceholderType)x.getGroundBasePair().getLhsType()).getVariance())
+		  	 .collect(Collectors.toCollection(HashSet::new));;
+		  	Optional<Integer> oI = sI.stream()
+		  	.findAny();
+		  	variance = oI.isPresent() ? oI.get() : 2;
+		  	 System.out.println("");
+		  	 
+		}
 		if (!nextSetasList.iterator().hasNext())
 			System.out.print("");
 		if (nextSetasList.iterator().next().stream().filter(x -> x.getLhsType().getName().equals("D")).findFirst().isPresent() && nextSetasList.size()>1) 
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 8ce37eb6..690e4c43 100644
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/model/OrderingUnifyPair.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/model/OrderingUnifyPair.java
@@ -10,6 +10,7 @@ import java.util.List;
 import java.util.Optional;
 import java.util.Set;
 import java.util.function.BinaryOperator;
+import java.util.function.Function;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
@@ -44,7 +45,7 @@ public class OrderingUnifyPair extends Ordering<Set<UnifyPair>> {
 		}}
 		catch (ClassCastException e) {
 			try {
-			((FiniteClosure)fc).logFile.write("ClassCastException: " + left.toString() +"\n\n");
+			((FiniteClosure)fc).logFile.write("ClassCastException: " + left.toString() + " " + left.getGroundBasePair() + "\n\n");
 			((FiniteClosure)fc).logFile.flush();
 			}
 			catch (IOException ie) {
@@ -197,17 +198,42 @@ public class OrderingUnifyPair extends Ordering<Set<UnifyPair>> {
 		//}
 		
 		//ODER-CONSTRAINT
-		Set<UnifyPair> lefteqOder = lefteq.stream()
-				.filter(x -> (x.getLhsType() instanceof PlaceholderType && x.getRhsType() instanceof ReferenceType))
+		Set<UnifyPair> leftBase = left.stream().map(x -> x.getGroundBasePair()).collect(Collectors.toCollection(HashSet::new));
+		Set<UnifyPair> rightBase = right.stream().map(x -> x.getGroundBasePair()).collect(Collectors.toCollection(HashSet::new));
+
+		Set<UnifyPair> lefteqOder = left.stream()
+				.filter(x -> { UnifyPair y = x.getGroundBasePair();
+				try {
+					((FiniteClosure)fc).logFile.write("leftBase: " + leftBase.toString() +"\n");
+					((FiniteClosure)fc).logFile.write("rightBase: " + rightBase.toString() +"\n\n");
+					((FiniteClosure)fc).logFile.write("left: " + left.toString() +"\n");
+					((FiniteClosure)fc).logFile.write("right: " + right.toString() +"\n\n");
+					((FiniteClosure)fc).logFile.write("y: " + y.toString() +"\n");
+					((FiniteClosure)fc).logFile.write("y.getLhsType() : " + y.getLhsType() .toString() +"\n\n");
+					((FiniteClosure)fc).logFile.write("y.getRhsType(): " + y.getRhsType().toString() +"\n");
+					((FiniteClosure)fc).logFile.write("x.getPairOp(): " + x.getPairOp().toString() +"\n\n");
+					}
+					catch (IOException ie) {
+					}	
+	               return (y.getLhsType() instanceof PlaceholderType && 
+	            		   y.getRhsType() instanceof ReferenceType && 
+	            		   x.getPairOp() == PairOperator.EQUALSDOT);})
 				.collect(Collectors.toCollection(HashSet::new));
-		Set<UnifyPair> righteqOder = righteq.stream()
-				.filter(x -> (x.getLhsType() instanceof PlaceholderType && x.getRhsType() instanceof ReferenceType))
+		Set<UnifyPair> righteqOder = right.stream()
+				.filter(x -> { UnifyPair y = x.getGroundBasePair(); 
+	               return (y.getLhsType() instanceof PlaceholderType && 
+	            		   y.getRhsType() instanceof ReferenceType && 
+	            		   x.getPairOp() == PairOperator.EQUALSDOT);})
 				.collect(Collectors.toCollection(HashSet::new));
 		Set<UnifyPair> lefteqRet = left.stream()
-				.filter(x -> (x.getRhsType() instanceof PlaceholderType && x.getPairOp() == PairOperator.EQUALSDOT))
+				.filter(x -> { UnifyPair y = x.getGroundBasePair(); 
+	               return (y.getRhsType() instanceof PlaceholderType && 
+	            		   x.getPairOp() == PairOperator.EQUALSDOT);})
 				.collect(Collectors.toCollection(HashSet::new));
 		Set<UnifyPair> righteqRet = right.stream()
-				.filter(x -> (x.getRhsType() instanceof PlaceholderType && x.getPairOp() == PairOperator.EQUALSDOT))
+				.filter(x -> { UnifyPair y = x.getGroundBasePair(); 
+	               return (y.getRhsType() instanceof PlaceholderType && 
+	            		   x.getPairOp() == PairOperator.EQUALSDOT);})
 				.collect(Collectors.toCollection(HashSet::new));
 		Set<UnifyPair> leftleOder = left.stream()
 				.filter(x -> (x.getPairOp() == PairOperator.SMALLERDOT))
@@ -215,12 +241,36 @@ public class OrderingUnifyPair extends Ordering<Set<UnifyPair>> {
 		Set<UnifyPair> rightleOder = right.stream()
 				.filter(x -> (x.getPairOp() == PairOperator.SMALLERDOT))
 				.collect(Collectors.toCollection(HashSet::new));
+		
+		
+		synchronized(this) {
+					try {
+			((FiniteClosure)fc).logFile.write("leftBase: " + leftBase.toString() +"\n");
+			((FiniteClosure)fc).logFile.write("rightBase: " + rightBase.toString() +"\n\n");
+			((FiniteClosure)fc).logFile.write("left: " + left.toString() +"\n");
+			((FiniteClosure)fc).logFile.write("right: " + right.toString() +"\n\n");
+			((FiniteClosure)fc).logFile.write("lefteqOder: " + lefteqOder.toString() +"\n");
+			((FiniteClosure)fc).logFile.write("righteqOder: " + righteqOder.toString() +"\n\n");
+			((FiniteClosure)fc).logFile.write("lefteqRet: " + lefteqRet.toString() +"\n");
+			((FiniteClosure)fc).logFile.write("righteqRet: " + righteqRet.toString() +"\n\n");
+			((FiniteClosure)fc).logFile.write("leftleOder: " + leftleOder.toString() +"\n");
+			((FiniteClosure)fc).logFile.write("rightleOder: " + rightleOder.toString() +"\n\n");
+			((FiniteClosure)fc).logFile.flush();
+			}
+			catch (IOException ie) {
+			}
+		}
+		
+
 		if (lefteqOder.size() == 1 && righteqOder.size() == 1 && lefteqRet.size() == 1 && righteqRet.size() == 1) {
 			Match m = new Match();
-			if (compareEq(lefteqOder.iterator().next(), righteqOder.iterator().next()) == -1) {
+			if (compareEq(lefteqOder.iterator().next().getGroundBasePair(), righteqOder.iterator().next().getGroundBasePair()) == -1) {
 				ArrayList<UnifyPair> matchList = 
-						leftleOder.stream().map(x -> { Iterator<UnifyPair> rightleOderIt = rightleOder.iterator(); 
-														return new UnifyPair(x.getRhsType(), rightleOderIt.next().getRhsType(), PairOperator.EQUALSDOT);})
+						leftleOder.stream().map(x -> { 
+							UnifyPair rightElem = rightleOder.stream()
+														     .filter(y -> y.getGroundBasePair().getLhsType().equals(x.getGroundBasePair().getLhsType()))
+														     .findAny().get(); 
+							return new UnifyPair(x.getRhsType(), rightElem.getRhsType(), PairOperator.EQUALSDOT);})
 											.collect(Collectors.toCollection(ArrayList::new));
 				if (m.match(matchList).isPresent()) {
 					return -1;
@@ -228,10 +278,13 @@ public class OrderingUnifyPair extends Ordering<Set<UnifyPair>> {
 				else {
 					return 0;
 				}
-			} else if (compareEq(lefteqOder.iterator().next(), righteqOder.iterator().next()) == 1) {
+			} else if (compareEq(lefteqOder.iterator().next().getGroundBasePair(), righteqOder.iterator().next().getGroundBasePair()) == 1) {
 				ArrayList<UnifyPair> matchList = 
-						rightleOder.stream().map(x -> { Iterator<UnifyPair> leftOderIt = leftleOder.iterator(); 
-														return new UnifyPair(x.getRhsType(), leftOderIt.next().getRhsType(), PairOperator.EQUALSDOT);})
+						rightleOder.stream().map(x -> { 
+							UnifyPair leftElem = leftleOder.stream()
+									                        .filter(y -> y.getGroundBasePair().getLhsType().equals(x.getGroundBasePair().getLhsType()))
+									                        .findAny().get(); 
+														return new UnifyPair(x.getRhsType(), leftElem.getRhsType(), PairOperator.EQUALSDOT);})
 											.collect(Collectors.toCollection(ArrayList::new));
 				if (m.match(matchList).isPresent()) {
 					return 1;
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 06c464dc..bc6e3013 100644
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/model/UnifyPair.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/model/UnifyPair.java
@@ -217,12 +217,14 @@ public class UnifyPair {
 	public String toString() {
 		String ret = "";
 		if (lhs instanceof PlaceholderType) {
-			ret = new Integer(((PlaceholderType)lhs).getVariance()).toString() + " " + ((PlaceholderType)lhs).isInnerType() 
-					+ " " + ((PlaceholderType)lhs).isWildcardable();
+			ret = new Integer(((PlaceholderType)lhs).getVariance()).toString() + " "
+					+ "WC: " + ((PlaceholderType)lhs).isWildcardable()
+					+ ", IT: " + ((PlaceholderType)lhs).isInnerType();
 		}
 		if (rhs instanceof PlaceholderType) {
-			ret = ret + ", " + new Integer(((PlaceholderType)rhs).getVariance()).toString() + " " + ((PlaceholderType)rhs).isInnerType()
-					+ " " + ((PlaceholderType)rhs).isWildcardable();
+			ret = ret + ", " + new Integer(((PlaceholderType)rhs).getVariance()).toString() + " " 
+					+ "WC: " + ((PlaceholderType)rhs).isWildcardable()
+					+ ", IT: " + ((PlaceholderType)rhs).isInnerType();
 		}
 		return "(" + lhs + " " + pairOp + " " + rhs + ", " + ret + ")"; //+ ", [" + getfBounded().toString()+ "])";
 	}