#fixed code
                                public static void useDefaultEngines() {
        useEngine(AVAILABLE_ENGINES);
    }
#vulnerable code 
                                public static void useDefaultEngines() {
        useEngine(new GraphvizCmdLineEngine(), new GraphvizV8Engine(),
                new GraphvizServerEngine(), new GraphvizJdkEngine());
    } 
                            #location 2 
                            #vulnerability type RESOURCE_LEAK