diff --git a/src/org/ntlab/traceDebugger/analyzerProvider/DeltaAlias.java b/src/org/ntlab/traceDebugger/analyzerProvider/DeltaAlias.java
index 381804c..10c433d 100644
--- a/src/org/ntlab/traceDebugger/analyzerProvider/DeltaAlias.java
+++ b/src/org/ntlab/traceDebugger/analyzerProvider/DeltaAlias.java
@@ -7,6 +7,7 @@
 
 	public DeltaAlias(AliasType aliasType, int index, String objectId, TracePoint occurrencePoint, boolean isSrcSide) {
 		super(aliasType, index, objectId, occurrencePoint);
+		bSrcSide = isSrcSide;
 	}
 
 	public boolean isSrcSide() {
diff --git a/src/org/ntlab/traceDebugger/analyzerProvider/DeltaRelatedAliasCollector.java b/src/org/ntlab/traceDebugger/analyzerProvider/DeltaRelatedAliasCollector.java
index 4fa7c06..f933e4c 100644
--- a/src/org/ntlab/traceDebugger/analyzerProvider/DeltaRelatedAliasCollector.java
+++ b/src/org/ntlab/traceDebugger/analyzerProvider/DeltaRelatedAliasCollector.java
@@ -1,98 +1,108 @@
-package org.ntlab.traceDebugger.analyzerProvider;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public class DeltaRelatedAliasCollector implements IAliasCollector {
-	private List<Alias> srcSideRelatedAliases = new ArrayList<>();
-	private List<Alias> dstSideRelatedAliases = new ArrayList<>();
-	private List<String> srcSideIdList = new ArrayList<>();
-	private List<String> dstSideIdList = new ArrayList<>();
-	private List<Alias> relatedAliases = new ArrayList<>();
-	public static final String SRC_SIDE = "SrcSide";
-	public static final String DST_SIDE = "DstSide";
-	
-	public DeltaRelatedAliasCollector(String srcId, String dstId) {
-		srcSideIdList.add(srcId);
-		dstSideIdList.add(dstId);
-	}
-	
-	@Override
-	public void addAlias(Alias alias) {
-		if (alias == null) return;
-		relatedAliases.add(alias);
-		String objId = alias.getObjectId();
-		String srcOrDst = "";
-		if (srcSideIdList.contains(objId) && !(dstSideIdList.contains(objId))) {
-			if (alias.getAliasType().equals(Alias.AliasType.ACTUAL_ARGUMENT)) {
-				Alias formalParameterAlias = srcSideRelatedAliases.get(srcSideRelatedAliases.size() - 1);
-				alias.setIndex(formalParameterAlias.getIndex());
-			}
-			srcSideRelatedAliases.add(alias);
-			srcOrDst = "Src ";
-		} else if (dstSideIdList.contains(objId) && !(srcSideIdList.contains(objId))) {
-			if (alias.getAliasType().equals(Alias.AliasType.ACTUAL_ARGUMENT)) {
-				Alias formalParameterAlias = dstSideRelatedAliases.get(dstSideRelatedAliases.size() - 1);
-				alias.setIndex(formalParameterAlias.getIndex());
-			}
-			dstSideRelatedAliases.add(alias);
-			srcOrDst = "Dst ";
-		} else if (srcSideIdList.contains(objId) && dstSideIdList.contains(objId)) {
-			boolean hasSrcSide = false;
-			for (Alias ra : srcSideRelatedAliases) {
-				if (ra.getObjectId().equals(objId)) {
-					hasSrcSide = true;
-					break;
-				}
-			}
-			if (!hasSrcSide) {
-				srcSideRelatedAliases.add(alias);
-				srcOrDst = "Src ";
-			} else {
-				dstSideRelatedAliases.add(alias);
-				srcOrDst = "Dst ";
-			}
-		}
-		
-		try {
-			System.out.println(srcOrDst + alias.getAliasType() + ": 			" + alias.getMethodSignature() + " line" + alias.getLineNo() + "		index" + alias.getIndex());
-		} catch (Exception e) {
-			System.out.println(srcOrDst + alias.getAliasType() + ": 			" + alias.getMethodSignature());				
-		}
-	}
-
-	@Override
-	public void changeTrackingObject(String from, String to, boolean isSrcSide) {
-		if (isSrcSide) {
-			srcSideIdList.add(to);
-		} else {
-			dstSideIdList.add(to);
-		}
-//		if (srcSideIdList.contains(from)) {
-//			srcSideIdList.add(to);
-//		} else if (dstSideIdList.contains(from)) {
-//			dstSideIdList.add(to);
-//		}
-	}
-	
-	public List<Alias> getRelatedAliases() {
-		return relatedAliases;
-	}
-	
-	public List<Alias> getSrcSideRelatedAliases() {
-		return srcSideRelatedAliases;
-	}
-	
-	public List<Alias> getDstSideRelatedAliases() {
-		return dstSideRelatedAliases;
-	}
-		
-	public String resolveSideInTheDelta(Alias alias) {
-		int index;
-		index = srcSideRelatedAliases.indexOf(alias);
-		if (index != -1) return SRC_SIDE;
-		index = dstSideRelatedAliases.indexOf(alias);
-		if (index != -1) return DST_SIDE;
-		return "";
-	}
-}
+package org.ntlab.traceDebugger.analyzerProvider;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class DeltaRelatedAliasCollector implements IAliasCollector {
+	private List<Alias> srcSideRelatedAliases = new ArrayList<>();
+	private List<Alias> dstSideRelatedAliases = new ArrayList<>();
+	private List<String> srcSideIdList = new ArrayList<>();
+	private List<String> dstSideIdList = new ArrayList<>();
+	private List<Alias> relatedAliases = new ArrayList<>();
+	public static final String SRC_SIDE = "SrcSide";
+	public static final String DST_SIDE = "DstSide";
+	
+	public DeltaRelatedAliasCollector(String srcId, String dstId) {
+		srcSideIdList.add(srcId);
+		dstSideIdList.add(dstId);
+	}
+	
+	@Override
+	public void addAlias(Alias alias) {
+		if (alias == null) return;
+		relatedAliases.add(alias);
+		String objId = alias.getObjectId();
+		String srcOrDst = "";
+		if (alias instanceof DeltaAlias) {
+			boolean isSrcSide = ((DeltaAlias)alias).isSrcSide();
+			if (isSrcSide) {
+				srcSideRelatedAliases.add(alias);
+				srcOrDst = "Src ";
+			} else {
+				dstSideRelatedAliases.add(alias);
+				srcOrDst = "Dst ";
+			}
+		} else {
+			if (srcSideIdList.contains(objId) && !(dstSideIdList.contains(objId))) {
+				if (alias.getAliasType().equals(Alias.AliasType.ACTUAL_ARGUMENT)) {
+					Alias formalParameterAlias = srcSideRelatedAliases.get(srcSideRelatedAliases.size() - 1);
+					alias.setIndex(formalParameterAlias.getIndex());
+				}
+				srcSideRelatedAliases.add(alias);
+				srcOrDst = "Src ";
+			} else if (dstSideIdList.contains(objId) && !(srcSideIdList.contains(objId))) {
+				if (alias.getAliasType().equals(Alias.AliasType.ACTUAL_ARGUMENT)) {
+					Alias formalParameterAlias = dstSideRelatedAliases.get(dstSideRelatedAliases.size() - 1);
+					alias.setIndex(formalParameterAlias.getIndex());
+				}
+				dstSideRelatedAliases.add(alias);
+				srcOrDst = "Dst ";
+			} else if (srcSideIdList.contains(objId) && dstSideIdList.contains(objId)) {			
+				boolean hasSrcSide = false;
+				for (Alias ra : srcSideRelatedAliases) {
+					if (ra.getObjectId().equals(objId)) {
+						hasSrcSide = true;
+						break;
+					}
+				}
+				if (!hasSrcSide) {
+					srcSideRelatedAliases.add(alias);
+					srcOrDst = "Src ";
+				} else {
+					dstSideRelatedAliases.add(alias);
+					srcOrDst = "Dst ";
+				}
+			}
+		}
+		try {
+			System.out.println(srcOrDst + alias.getAliasType() + ": 			" + alias.getMethodSignature() + " line" + alias.getLineNo() + "		index" + alias.getIndex());
+		} catch (Exception e) {
+			System.out.println(srcOrDst + alias.getAliasType() + ": 			" + alias.getMethodSignature());				
+		}
+	}
+
+	@Override
+	public void changeTrackingObject(String from, String to, boolean isSrcSide) {
+		if (isSrcSide) {
+			srcSideIdList.add(to);
+		} else {
+			dstSideIdList.add(to);
+		}
+//		if (srcSideIdList.contains(from)) {
+//			srcSideIdList.add(to);
+//		} else if (dstSideIdList.contains(from)) {
+//			dstSideIdList.add(to);
+//		}
+	}
+	
+	public List<Alias> getRelatedAliases() {
+		return relatedAliases;
+	}
+	
+	public List<Alias> getSrcSideRelatedAliases() {
+		return srcSideRelatedAliases;
+	}
+	
+	public List<Alias> getDstSideRelatedAliases() {
+		return dstSideRelatedAliases;
+	}
+		
+	public String resolveSideInTheDelta(Alias alias) {
+		int index;
+		index = srcSideRelatedAliases.indexOf(alias);
+		if (index != -1) return SRC_SIDE;
+		index = dstSideRelatedAliases.indexOf(alias);
+		if (index != -1) return DST_SIDE;
+		return "";
+	}
+}