/* goodG2B() - use goodsource and badsink */
        private static void GoodG2B()
        {
            ulong data = CWE190_Integer_Overflow__UInt64_max_multiply_61b.GoodG2BSource();

            if (data > 0) /* ensure we won't have an underflow */
            {
                /* POTENTIAL FLAW: if (data*2) > ulong.MaxValue, this will overflow */
                ulong result = (ulong)(data * 2);
                IO.WriteLine("result: " + result);
            }
        }