#fixed code
                                public boolean isGold() throws IOException, ParseException {
        return Boolean.parseBoolean(getUserInformation().get("is_gold").toString());
    }
#vulnerable code 
                                public boolean isGold() throws IOException, ParseException {
        return Boolean.parseBoolean(info().get("is_gold").toString());
    } 
                            #location 2 
                            #vulnerability type NULL_DEREFERENCE