You're looking for foundational, proof-carrying code with verified logins. I can't find the verified logic right now, though. Examples: https://www.cs.princeto

You're looking for foundational, proof-carrying code with verified logins. I can't find the verified logic right now, though. Examples: https://www.cs.princeton.edu/~appel/papers/fpcc.pdf https://www.cs.princeton.edu/~appel/papers/fpcc.pdf https://hol-light.github.io/ https://hol-light.github.io/ I'll also add that mutation testing has found specification errors, too. https://github.com/EngineeringSoftware/mcoq https://github.com/EngineeringSoftware/mcoq