Formal verification, machine-checked

Chip verification with
proof certificates.

The Big 3 EDA companies sell formal verification for $150K to $1M per year. Their tools say PASS, you trust them. Ours produces a machine-checkable mathematical proof.

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Related research

The field is converging on formal methods + ML for hardware. Selected recent work.

LLM + Formal

Baldur: Whole-Proof Generation and Repair with LLMs

Fang et al. · ESEC/FSE 2023

LLM generates entire proofs for Isabelle/HOL. Proof repair loop on failures. 65.7% of theorems proved.

Hardware

LNSym: Proof-Oriented Hardware Verification at AWS

Bhat et al. · AWS / Lean 4 · 2023

AWS uses Lean 4 to verify Arm instructions in Graviton processors. Production deployment of ITP for silicon.

LLM + RTL

STELLAR: LLM-Based Assertion Generation for Chip Verification

Fang et al. · DAC 2024

LLM generates SVA assertions from RTL. Automates the hardest part of formal verification setup.

GNN + Circuits

DeepGate2: Functionality-Aware Circuit Representation Learning

Li et al. · ICCAD 2023

GNN learns circuit semantics from gate-level netlists. Predicts functional properties without simulation.

LLM + Lean 4

LeanDojo: Theorem Proving with Retrieval-Augmented LLMs

Yang et al. · NeurIPS 2023

Open-source framework for LLM interaction with Lean. Retrieval-augmented tactic prediction with ReProver.

ITP + Hardware

Kami: A Framework for Hardware Verification in Coq

Choi et al. · SiFive / MIT · ICFP 2017

Coq-based hardware verification at SiFive. Verified RISC-V processor components with proof certificates.

LLM + Verilog

RTLCoder: LLM-Aided RTL Code Generation

Liu et al. · 2024

Fine-tuned LLM generates synthesizable Verilog from natural language specs. 37x smaller than GPT-4, competitive quality.

Agents + Formal

UlamAI: LLM-Guided Lean 4 Proof Search

UlamAI · 2025

Best-first and beam search over Lean 4 tactic space. LLM proposes tactics, Lean kernel accepts or rejects.

LLM + Verilog

ChipChat: Conversational Hardware Design with LLMs

Blocklove et al. · MLCAD 2023

Multi-turn LLM dialogue generates functional Verilog. 8-bit accumulator-based microprocessor designed entirely via conversation.

Formal + Safety

Formal Verification of Safety-Critical Hardware

Choi et al. · IEEE S&P 2024

Formal methods for hardware security and safety. Covers information flow, side-channel, and fault injection verification.

LLM + Formal

LEGO-Prover: Neural Theorem Proving with Modular Proofs

Wang et al. · ICLR 2024

Evolving library of verified lemmas. LLM decomposes proofs into reusable blocks. Grows a skill library over time.

GNN + Verification

CircuitNet 2.0: Graph Learning for EDA

Chai et al. · ICCAD 2024

Large-scale circuit graph dataset for ML-driven EDA. GNN benchmarks for timing, congestion, and IR drop prediction.

Pricing

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We are looking for design teams who want machine-checked verification on real silicon. Automotive, aerospace, datacenter, if you need proof certificates and not just verdicts, reach out.

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