diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 05a7515..88ec0c0 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -2,11 +2,7 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="75ef5724-93bc-4ed4-82b2-ff12411188dc" name="Default Changelist" comment="">
-      <change beforePath="$PROJECT_DIR$/gumtree/gen.srcml/src/main/java/com/github/gumtreediff/gen/srcml/AbstractSrcmlTreeGenerator.java" beforeDir="false" afterPath="$PROJECT_DIR$/gumtree/gen.srcml/src/main/java/com/github/gumtreediff/gen/srcml/AbstractSrcmlTreeGenerator.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/gumtree/gen.srcml/src/main/java/com/github/gumtreediff/gen/srcml/NodeMap_new.java" beforeDir="false" afterPath="$PROJECT_DIR$/gumtree/gen.srcml/src/main/java/com/github/gumtreediff/gen/srcml/NodeMap_new.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/richedit/src/main/java/edu/lu/uni/serval/richedit/ediff/HierarchicalRegrouperForC.java" beforeDir="false" afterPath="$PROJECT_DIR$/richedit/src/main/java/edu/lu/uni/serval/richedit/ediff/HierarchicalRegrouperForC.java" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/richedit/src/test/java/edu/lu/uni/serval/TestPredefinedCases.java" beforeDir="false" afterPath="$PROJECT_DIR$/richedit/src/test/java/edu/lu/uni/serval/TestPredefinedCases.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/richedit/src/test/java/edu/lu/uni/serval/TestRealCases.java" beforeDir="false" afterPath="$PROJECT_DIR$/richedit/src/test/java/edu/lu/uni/serval/TestRealCases.java" afterDir="false" />
     </list>
     <ignored path="$PROJECT_DIR$/classes/" />
     <ignored path="$PROJECT_DIR$/target/" />
@@ -31,8 +27,17 @@
       <file pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/richedit/src/test/java/edu/lu/uni/serval/TestPredefinedCases.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="217">
-              <caret line="162" column="83" selection-start-line="162" selection-start-column="83" selection-end-line="162" selection-end-column="83" />
+            <state relative-caret-position="95">
+              <caret line="72" selection-start-line="72" selection-end-line="72" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/richedit/src/main/java/edu/lu/uni/serval/richedit/ediff/EDiffHunkParser.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="209">
+              <caret line="32" column="71" lean-forward="true" selection-start-line="32" selection-start-column="71" selection-end-line="32" selection-end-column="71" />
             </state>
           </provider>
         </entry>
@@ -67,8 +72,8 @@
       <file pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/richedit/src/main/java/edu/lu/uni/serval/richedit/ediff/EDiffParser.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="290">
-              <caret line="71" selection-start-line="71" selection-end-line="71" />
+            <state relative-caret-position="202">
+              <caret line="52" column="33" selection-start-line="52" selection-start-column="33" selection-end-line="52" selection-end-column="33" />
               <folding>
                 <element signature="e#2020#2029#0" expanded="true" />
               </folding>
@@ -76,6 +81,37 @@
           </provider>
         </entry>
       </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/gumtree/gen.srcml/src/main/java/com/github/gumtreediff/gen/srcml/GumTreeCComparer.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="120">
+              <caret line="22" column="24" selection-start-line="22" selection-start-column="24" selection-end-line="22" selection-end-column="24" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/gumtree/gen.srcml/src/main/java/com/github/gumtreediff/gen/srcml/SrcmlCTreeGenerator.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="135">
+              <caret line="36" column="11" selection-start-line="36" selection-start-column="11" selection-end-line="36" selection-end-column="11" />
+              <folding>
+                <element signature="e#1559#1560#0" expanded="true" />
+                <element signature="e#1585#1586#0" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/gumtree/gen.jdt/src/main/java/edu/lu/uni/serval/gumtree/GumTreeComparer.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="60">
+              <caret line="19" column="19" lean-forward="true" selection-start-line="19" selection-start-column="13" selection-end-line="19" selection-end-column="28" />
+            </state>
+          </provider>
+        </entry>
+      </file>
       <file pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/richedit/src/main/java/edu/lu/uni/serval/richedit/ediff/HierarchicalRegrouperForC.java">
           <provider selected="true" editor-type-id="text-editor">
@@ -85,18 +121,6 @@
           </provider>
         </entry>
       </file>
-      <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/gumtree/core/src/main/java/com/github/gumtreediff/tree/Tree.java">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="186">
-              <caret line="113" selection-start-line="113" selection-end-line="113" />
-              <folding>
-                <element signature="e#3143#3144#0" expanded="true" />
-              </folding>
-            </state>
-          </provider>
-        </entry>
-      </file>
     </leaf>
   </component>
   <component name="FindInProjectRecents">
@@ -126,6 +150,8 @@
       <find>import</find>
       <find>selector</find>
       <find>setPos</find>
+      <find>parseChangedSourceCodeWithGumTree2</find>
+      <find>compareCFilesWithGumTree</find>
     </findStrings>
     <replaceStrings>
       <replace>fixminer</replace>
@@ -588,9 +614,6 @@
     <servers />
   </component>
   <component name="TestHistory">
-    <history-entry file="TestPredefinedCases_testWhileCase1 - 2020.04.10 at 14h 40m 23s.xml">
-      <configuration name="TestPredefinedCases.testWhileCase1" configurationId="JUnit" />
-    </history-entry>
     <history-entry file="TestPredefinedCases_testWhileCase1 - 2020.04.10 at 14h 41m 22s.xml">
       <configuration name="TestPredefinedCases.testWhileCase1" configurationId="JUnit" />
     </history-entry>
@@ -618,6 +641,9 @@
     <history-entry file="TestPredefinedCases - 2020.04.10 at 14h 47m 52s.xml">
       <configuration name="TestPredefinedCases" configurationId="JUnit" />
     </history-entry>
+    <history-entry file="TestPredefinedCases - 2020.04.10 at 14h 48m 13s.xml">
+      <configuration name="TestPredefinedCases" configurationId="JUnit" />
+    </history-entry>
   </component>
   <component name="ToolWindowManager">
     <frame x="0" y="0" width="1680" height="1050" extended-state="0" />
@@ -1057,13 +1083,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/richedit/src/main/java/edu/lu/uni/serval/richedit/ediff/EDiffHunkParser.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="-102">
-          <caret line="20" column="13" selection-start-line="20" selection-start-column="13" selection-end-line="20" selection-end-column="13" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/richedit/src/test/java/edu/lu/uni/serval/HunkParserTest.java">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="66">
@@ -1078,13 +1097,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/gumtree/gen.srcml/src/main/java/com/github/gumtreediff/gen/srcml/GumTreeCComparer.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="269">
-          <caret line="54" selection-start-line="54" selection-end-line="54" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/.travis_native_dependencies.sh">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="30">
@@ -1099,13 +1111,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/gumtree/gen.jdt/src/main/java/edu/lu/uni/serval/gumtree/GumTreeComparer.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="120">
-          <caret line="23" column="24" selection-start-line="23" selection-start-column="24" selection-end-line="23" selection-end-column="24" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/richedit/src/test/java/edu/lu/uni/serval/BaseTest.java">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="22">
@@ -1140,16 +1145,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/gumtree/gen.srcml/src/main/java/com/github/gumtreediff/gen/srcml/SrcmlCTreeGenerator.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="165">
-          <caret line="38" selection-start-line="38" selection-end-line="38" />
-          <folding>
-            <element signature="e#1585#1586#0" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/gumtree/gen.srcml/src/main/java/com/github/gumtreediff/gen/srcml/NodeMap_new.java">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="3267">
@@ -1185,16 +1180,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/richedit/src/main/java/edu/lu/uni/serval/richedit/ediff/EDiffParser.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="290">
-          <caret line="71" selection-start-line="71" selection-end-line="71" />
-          <folding>
-            <element signature="e#2020#2029#0" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/richedit/src/main/java/edu/lu/uni/serval/richedit/ediff/HierarchicalRegrouperForC.java">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="186">
@@ -1215,10 +1200,52 @@
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/richedit/src/main/java/edu/lu/uni/serval/richedit/ediff/EDiffHunkParser.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="209">
+          <caret line="32" column="71" lean-forward="true" selection-start-line="32" selection-start-column="71" selection-end-line="32" selection-end-column="71" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/gumtree/gen.srcml/src/main/java/com/github/gumtreediff/gen/srcml/SrcmlCTreeGenerator.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="135">
+          <caret line="36" column="11" selection-start-line="36" selection-start-column="11" selection-end-line="36" selection-end-column="11" />
+          <folding>
+            <element signature="e#1559#1560#0" expanded="true" />
+            <element signature="e#1585#1586#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/gumtree/gen.srcml/src/main/java/com/github/gumtreediff/gen/srcml/GumTreeCComparer.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="120">
+          <caret line="22" column="24" selection-start-line="22" selection-start-column="24" selection-end-line="22" selection-end-column="24" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/richedit/src/main/java/edu/lu/uni/serval/richedit/ediff/EDiffParser.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="202">
+          <caret line="52" column="33" selection-start-line="52" selection-start-column="33" selection-end-line="52" selection-end-column="33" />
+          <folding>
+            <element signature="e#2020#2029#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/gumtree/gen.jdt/src/main/java/edu/lu/uni/serval/gumtree/GumTreeComparer.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="60">
+          <caret line="19" column="19" lean-forward="true" selection-start-line="19" selection-start-column="13" selection-end-line="19" selection-end-column="28" />
+        </state>
+      </provider>
+    </entry>
     <entry file="file://$PROJECT_DIR$/richedit/src/test/java/edu/lu/uni/serval/TestPredefinedCases.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="217">
-          <caret line="162" column="83" selection-start-line="162" selection-start-column="83" selection-end-line="162" selection-end-column="83" />
+        <state relative-caret-position="95">
+          <caret line="72" selection-start-line="72" selection-end-line="72" />
         </state>
       </provider>
     </entry>
diff --git a/richedit/src/test/java/edu/lu/uni/serval/TestPredefinedCases.java b/richedit/src/test/java/edu/lu/uni/serval/TestPredefinedCases.java
index 0a7dcc0..1e77a34 100644
--- a/richedit/src/test/java/edu/lu/uni/serval/TestPredefinedCases.java
+++ b/richedit/src/test/java/edu/lu/uni/serval/TestPredefinedCases.java
@@ -70,13 +70,12 @@ public class TestPredefinedCases {
                 "------------DEL continue@@continue; @AT@ 62 @LENGTH@ 9\n");
 
     }
-    //TODO
-//    @Ignore
+
     @Test
     public void testWhileCase1() throws IOException {
         Properties appProps = new Properties();
         appProps.load(new FileInputStream("src/main/resource/app.properties"));
-        String srcMLPath = appProps.getProperty("srcMLPath", "FORKJOIN");
+        String srcMLPath = "";
 
         File revFile = new File("src/main/resource/testFiles/while_example_1.c");
         File prevFile = new File("src/main/resource/testFiles/prev_while_example_1.c");
@@ -84,7 +83,7 @@ public class TestPredefinedCases {
 
         EDiffHunkParser parser = new EDiffHunkParser();
 
-        List<HierarchicalActionSet> hierarchicalActionSets = parser.parseChangedSourceCodeWithGumTree2(prevFile, revFile, "",false);
+        List<HierarchicalActionSet> hierarchicalActionSets = parser.parseChangedSourceCodeWithGumTree2(prevFile, revFile, srcMLPath,false);
         hierarchicalActionSets.size();
         Assert.assertEquals(hierarchicalActionSets.size(), 1);
 
@@ -106,7 +105,7 @@ public class TestPredefinedCases {
         public void testIFRetrun() throws IOException {
             Properties appProps = new Properties();
             appProps.load(new FileInputStream("src/main/resource/app.properties"));
-            String srcMLPath = appProps.getProperty("srcMLPath","FORKJOIN");
+            String srcMLPath = "";
 
             File revFile = new File("src/main/resource/testFiles/if_return.c");
             File prevFile =new File("src/main/resource/testFiles/prev_if_return.c");
@@ -144,7 +143,7 @@ public class TestPredefinedCases {
         public void testIfElse() throws IOException {
             Properties appProps = new Properties();
             appProps.load(new FileInputStream("src/main/resource/app.properties"));
-            String srcMLPath = appProps.getProperty("srcMLPath","FORKJOIN");
+            String srcMLPath = "";
 
             File revFile = new File("src/main/resource/testFiles/if_else.c");
             File prevFile =new File("src/main/resource/testFiles/prev_if_else.c");
@@ -167,7 +166,7 @@ public class TestPredefinedCases {
     public void testStruct() throws IOException {
         Properties appProps = new Properties();
         appProps.load(new FileInputStream("src/main/resource/app.properties"));
-        String srcMLPath = appProps.getProperty("srcMLPath","FORKJOIN");
+        String srcMLPath = "";
 
         File revFile = new File("src/main/resource/testFiles/struct.c");
         File prevFile =new File("src/main/resource/testFiles/prev_struct.c");