halmos

What problem does it solve?

This Skill helps developers find bugs in Solidity smart contracts by executing tests symbolically, ensuring properties hold for all possible inputs within defined bounds, rather than just random ones.

Core Features & Use Cases

• Symbolic Execution: Analyzes contract code to cover all execution paths for given inputs.
• Bounded Model Checking: Verifies properties up to a specified number of loop iterations or call depths.
• Counter-Example Generation: Produces concrete inputs that violate a property, aiding in debugging.
• Use Case: Automatically verify that a token transfer function never changes the total supply, regardless of sender, receiver, or amount.

Quick Start

Use the halmos skill to run symbolic tests on your Foundry project.