I had a high level brief about proven software: the model must be excrutiatingly simple, and often, the "bugs" are in model design, not model implementation co

I had a high level brief about proven software: the model must be excrutiatingly simple, and often, the "bugs" are in model design, not model implementation code, namely the model is "wrong" in the first place and you end up "proving" the implementation of a "wrong" model.