Formal verification that compounds

Every proof should make the next one easier.

Frontier search and quantitative discipline, applied to formal verification.

01Search

Search built to compound.

Each pass informs the next.

Fig. 01

Results

Measured.

≈2.6× the bug-catch rate of a plain LLM prompt

7 of 9vs3 of 10

Open-source bug cases found: Chipster against a single plain prompt to the same model.

PR #81

Matched open upstream PR #81 on Xilinx open-nic-shell.

1,010

1,010 candidate assertions, 558 proved, 315 counterexamples on an open I2C controller.

Compounding

Small gains, kept.

Fig. 06
Fig. 07
1240+600
Candidate checkers explored (illustrative)
94%+16%
Requirements closed: proved or bug found (illustrative)
310+87
Checker patterns carried to the next design (illustrative)

Silicon

Where correctness is not optional.

Bring us a block.

Chipster is in early access.