[disposedtrolley]

You might be interested in reading about delta debugging: https://en.m.wikipedia.org/wiki/Delta_debugging

The algorithm has similar complexity as binary search, but is a bit smarter on deciding how to split the test input at each iteration.

I’ve been studying this in my masters, and we’ve recently had to write a Java implementation. I’m keen to start on a Go package soon that might work well with fuzz testing.