output: #fixed code
                                  public double createdUTC() throws IOException, ParseException {
          return Double.parseDouble(getUserInformation().get("created_utc").toString());
      }
input: #vulnerable code 
                                  public double createdUTC() throws IOException, ParseException {
          return Double.parseDouble(info().get("created_utc").toString());
      } 
                              #location 2 
                              #vulnerability type NULL_DEREFERENCE