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Worked Proof shown
Claude wrote 180 million lines of Rocq proofs
Formal verification at scale across 123 libraries.
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- Article author raxxostudios Source ↗
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The full story
Claude, working with the Theorem team, produced about 180 million lines of Rocq formal proofs showing that 239 entry points across 123 OSS-Fuzz libraries never crash on inputs under 64 MB. The work turned up hundreds of bugs that fuzzing had missed. This article explains what that means for everyday app developers, and offers a one-hour property-testing exercise that catches two classic bugs.
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From the maker's own write-up or code. We summarise what they report; we haven't tested it ourselves.
- DEV: Claude Formal Verification, the 1-Hour VersionArticle author: raxxostudiosPublished
The explainer and the one-hour exercise.