Program: 12942
Project: 12942
Buggy source:
/** 
 * @throws IOException error executing the "mv" command 
 */
private void transferImages() throws IOException {
  Process p1;
  Process p2;
  Process p3;
  Process p4;
  String fileName;
  try {
    for (    File f : this.folder.listFiles()) {
      fileName=f.getName();
      if (this.ufidSet.contains(fileName.substring(0,8))) {
        p1=Runtime.getRuntime().exec("String_Node_Str" + this.pathToImageScriptDirectory + "String_Node_Str"+ fileName+ "String_Node_Str"+ this.pathToImageScriptDirectory+ "String_Node_Str");
        p2=Runtime.getRuntime().exec("String_Node_Str" + this.pathToImageScriptDirectory + "String_Node_Str"+ "String_Node_Str"+ fileName+ "String_Node_Str"+ this.pathToImageScriptDirectory+ "String_Node_Str");
        p1.waitFor();
        p1.getInputStream().close();
        p1.getOutputStream().close();
        p1.getErrorStream().close();
        p2.waitFor();
        p2.getInputStream().close();
        p2.getOutputStream().close();
        p2.getErrorStream().close();
      }
 else {
        p3=Runtime.getRuntime().exec("String_Node_Str" + this.pathToImageScriptDirectory + "String_Node_Str"+ fileName+ "String_Node_Str"+ this.pathToImageScriptDirectory+ "String_Node_Str");
        p4=Runtime.getRuntime().exec("String_Node_Str" + this.pathToImageScriptDirectory + "String_Node_Str"+ "String_Node_Str"+ fileName+ "String_Node_Str"+ this.pathToImageScriptDirectory+ "String_Node_Str");
        p3.waitFor();
        p3.getInputStream().close();
        p3.getOutputStream().close();
        p3.getErrorStream().close();
        p4.waitFor();
        p4.getInputStream().close();
        p4.getOutputStream().close();
        p4.getErrorStream().close();
      }
    }
  }
 catch (  IOException e) {
    throw new IOException(e);
  }
catch (  InterruptedException e) {
    e.printStackTrace();
  }
}

Fixed version (ground truth):
/** 
 * @throws IOException error executing the "mv" command 
 */
private void transferImages() throws IOException {
  Process p1;
  Process p2;
  Process p3;
  Process p4;
  String fileName;
  try {
    for (    File f : this.folder.listFiles()) {
      fileName=f.getName();
      if ((fileName.length() >= 8) && (this.ufidSet.contains(fileName.substring(0,8)))) {
        p1=Runtime.getRuntime().exec("String_Node_Str" + this.pathToImageScriptDirectory + "String_Node_Str"+ fileName+ "String_Node_Str"+ this.pathToImageScriptDirectory+ "String_Node_Str");
        p2=Runtime.getRuntime().exec("String_Node_Str" + this.pathToImageScriptDirectory + "String_Node_Str"+ "String_Node_Str"+ fileName+ "String_Node_Str"+ this.pathToImageScriptDirectory+ "String_Node_Str");
        p1.waitFor();
        p1.getInputStream().close();
        p1.getOutputStream().close();
        p1.getErrorStream().close();
        p2.waitFor();
        p2.getInputStream().close();
        p2.getOutputStream().close();
        p2.getErrorStream().close();
      }
 else {
        p3=Runtime.getRuntime().exec("String_Node_Str" + this.pathToImageScriptDirectory + "String_Node_Str"+ fileName+ "String_Node_Str"+ this.pathToImageScriptDirectory+ "String_Node_Str");
        p4=Runtime.getRuntime().exec("String_Node_Str" + this.pathToImageScriptDirectory + "String_Node_Str"+ "String_Node_Str"+ fileName+ "String_Node_Str"+ this.pathToImageScriptDirectory+ "String_Node_Str");
        p3.waitFor();
        p3.getInputStream().close();
        p3.getOutputStream().close();
        p3.getErrorStream().close();
        p4.waitFor();
        p4.getInputStream().close();
        p4.getOutputStream().close();
        p4.getErrorStream().close();
      }
    }
  }
 catch (  IOException e) {
    throw new IOException(e);
  }
catch (  InterruptedException e) {
    e.printStackTrace();
  }
}