Harmonic's math model formally proves FP division properties of a 200-line Verilog file

thomasahle · x · 2026-10-29

A developer shared results from using Harmonic's theorem-proving model on hardware: for a simple 200-line Verilog floating-point division file, the model proved properties including quotient MSB setting and bit-exact round-toward-zero division for normal inputs, with proved/refuted properties shown live in the UI.

He also flagged a UX pain point: long stalls with no progress indication or visible chain of thought. A concrete example of AI formal verification landing in hardware correctness.

Related event: Hands-on test of Harmonic's Aristotle: Verilog proof works but artifacts questioned(6 posts)→

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