Program: 42665
Project: 42665
Buggy source:
public void run(){
  Gson translator=new GsonBuilder().create();
  try {
    InputStream is=new FileInputStream(filePath);
    InputStreamReader isr=new InputStreamReader(is);
    BufferedReader br=new BufferedReader(isr);
    String nextLine;
    nextLine=br.readLine();
    nextLine=br.readLine();
    nextLine=br.readLine();
    nextLine=br.readLine();
    nextLine=br.readLine();
    nextLine=br.readLine();
    nextLine=br.readLine();
    nextLine=nextLine.substring(0,nextLine.length() - 1);
    JsonObject sensorObject=translator.fromJson(nextLine,JsonObject.class);
    long startTimeSensor=sensorObject.get("String_Node_Str").getAsLong();
    long startTimeReal=new Date().getTime();
    nextLine=br.readLine();
    while (nextLine != null && !nextLine.startsWith("String_Node_Str")) {
      try {
        nextLine=nextLine.substring(0,nextLine.length() - 1);
        long now=new Date().getTime();
        sensorObject=translator.fromJson(nextLine,JsonObject.class);
        long dt=now - startTimeReal;
        PlayBackUtil.parseSensorLog(sensorObject,translator,dt,startTimeSensor,RobobuggyConfigFile.getPlayBackSpeed());
        nextLine=br.readLine();
      }
 catch (      IOException e) {
        e.printStackTrace();
      }
catch (      InterruptedException e) {
        e.printStackTrace();
      }
    }
  }
 catch (  FileNotFoundException e) {
    new RobobuggyLogicNotification("String_Node_Str",RobobuggyMessageLevel.EXCEPTION);
    e.printStackTrace();
  }
catch (  IOException e1) {
    e1.printStackTrace();
  }
}

Fixed version (ground truth):
public void run(){
  Gson translator=new GsonBuilder().create();
  try {
    InputStream is=new FileInputStream(filePath);
    InputStreamReader isr=new InputStreamReader(is,"String_Node_Str");
    BufferedReader br=new BufferedReader(isr);
    String nextLine;
    nextLine=br.readLine();
    if (nextLine != null)     nextLine=br.readLine();
 else {
      new RobobuggyLogicNotification("String_Node_Str",RobobuggyMessageLevel.EXCEPTION);
      br.close();
      return;
    }
    if (nextLine != null)     nextLine=br.readLine();
    if (nextLine != null)     nextLine=br.readLine();
    if (nextLine != null)     nextLine=br.readLine();
    if (nextLine != null)     nextLine=br.readLine();
    if (nextLine != null)     nextLine=br.readLine();
    if (nextLine != null)     nextLine=nextLine.substring(0,nextLine.length() - 1);
    JsonObject sensorObject=translator.fromJson(nextLine,JsonObject.class);
    long startTimeSensor=sensorObject.get("String_Node_Str").getAsLong();
    long startTimeReal=new Date().getTime();
    nextLine=br.readLine();
    while (nextLine != null && !nextLine.startsWith("String_Node_Str")) {
      try {
        nextLine=nextLine.substring(0,nextLine.length() - 1);
        long now=new Date().getTime();
        sensorObject=translator.fromJson(nextLine,JsonObject.class);
        long dt=now - startTimeReal;
        PlayBackUtil.parseSensorLog(sensorObject,translator,dt,startTimeSensor,RobobuggyConfigFile.getPlayBackSpeed());
        nextLine=br.readLine();
      }
 catch (      IOException e) {
        e.printStackTrace();
      }
catch (      InterruptedException e) {
        e.printStackTrace();
      }
    }
    br.close();
  }
 catch (  FileNotFoundException e) {
    new RobobuggyLogicNotification("String_Node_Str",RobobuggyMessageLevel.EXCEPTION);
    e.printStackTrace();
  }
catch (  IOException e1) {
    e1.printStackTrace();
  }
}