Toroid is a Python package that acts as an autonomous agent for formal hardware verification. It synthesizes formal properties for Register Transfer Level (RTL) code, executes model checkers such as SymbiYosys, and iteratively refines results based on counterexamples. It integrates with tools like Yosys and is aimed at digital design and verification workflows.
toroid is a Developer Tools project. It focuses on automating formal property generation and verification for RTL designs using LLMs and model checkers. toroid is an open-source project aimed at hardware engineers and verification engineers. toroid is open source under the MIT license. It ships for the command line, and it can be self-hosted.
toroid first shipped in 2026. Among its 4 catalogued features are Formal Verification, Model Checking, and RTL Property Synthesis.
Summary written by a language model from the project’s public pages.
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