Your AI Just Wrote 500 Lines of Code. Can You Prove Any of It Works?

Image Disclaimer: This banner was conceptualized by the author and rendered using Gemini 3 Flash Image. A framework for figuring out when AI-generated code can be formally verified - and when you’re kidding yourself. I’ve been thinking about a problem that’s been bugging me for a while. We’re all using AI to write code now. Copilot, Claude, ChatGPT, internal tools - whatever your flavor. And the code is… surprisingly good? It passes tests, it looks reasonable, it usually does what you asked for. But “usually” is doing a lot of heavy lifting in that sentence.