# CertoraProver: State-of-the-Art Formal Verification for Smart Contracts

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The Certora Prover is a leading security tool for automated formal verification of smart contracts. It supports EVM-based chains, Solana, and Stellar, ensuring robust security for decentralized applications. This open-source project, written in Kotlin, provides developers with powerful capabilities to enhance smart contract integrity.

GitHub: https://github.com/Certora/CertoraProver
OSRepos URL: https://osrepos.com/repo/certora-certoraprover

## Summary

The Certora Prover is a leading security tool for automated formal verification of smart contracts. It supports EVM-based chains, Solana, and Stellar, ensuring robust security for decentralized applications. This open-source project, written in Kotlin, provides developers with powerful capabilities to enhance smart contract integrity.

## Topics

- blockchain
- smart-contracts
- formal-verification
- security-tools
- ethereum
- solana
- stellar
- kotlin

## Repository Information

Last analyzed by OSRepos: Sat Dec 27 2025 20:01:06 GMT+0000 (Western European Standard Time)
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## Content

## Introduction

The Certora Prover is a state-of-the-art security tool designed for automated formal verification of smart contracts. It provides robust analysis for contracts running on EVM-based chains, Solana, and Stellar, ensuring their integrity and security. Developed by Certora and written in Kotlin, this open-source project empowers developers to build more secure decentralized applications by mathematically proving contract correctness.

You can explore the project further on its [CertoraProver GitHub Repository](https://github.com/Certora/CertoraProver){:target="_blank"}.

## Installation

Getting the Certora Prover up and running involves a few key steps and dependencies. Users are recommended to consult the official [Certora Prover User Guide](https://docs.certora.com/en/latest/docs/user-guide/install.html){:target="_blank"} for the most detailed and up-to-date instructions.

Key dependencies include:
*   JDK 19+
*   SMT solvers: Z3 and CVC5 (required), CVC4, Yices, Bitwuzla (optional)
*   Python 3
*   Solidity compiler
*   Rust (Version 1.81.0+)
*   `llvm-symbolizer` and `llvm-dwarfdump` (part of LLVM)
*   `rustfilt`
*   Graphviz (optional, for visual elements like Tac Reports)

The general installation process involves:
1.  Setting up a `CERTORA` environment variable for build outputs.
2.  Cloning the repository with submodules:
    bash
    git clone --recurse-submodules https://github.com/Certora/CertoraProver.git
    
3.  Compiling the code:
    bash
    ./gradlew assemble
    
It is also recommended to work within a Python virtual environment for managing dependencies.

## Examples

To begin using the Certora Prover, you can explore the available options by running:
bash
certoraRun.py -h

The repository includes several small examples for testing under `Public/TestEVM`. For instance, you can run a basic example like this:
bash
cd Public/TestEVM/CVLCompilation/OptionalFunction
certoraRun.py Default.conf

For comprehensive guidance on running the prover on real-world smart contracts, refer to the [Certora Prover User Guide](https://docs.certora.com/en/latest/docs/user-guide/index.html){:target="_blank"}.

## Why Use the Certora Prover?

Formal verification is an indispensable practice in smart contract development, and the Certora Prover stands out as a leading solution. By using this tool, developers can:
*   **Enhance Security**: Mathematically prove the absence of critical vulnerabilities, significantly reducing the risk of exploits and financial losses.
*   **Ensure Correctness**: Verify that smart contracts behave exactly as intended under all possible conditions, aligning with their specifications.
*   **Support Multiple Platforms**: Benefit from verification capabilities across major blockchain ecosystems, including Ethereum (EVM), Solana, and Stellar.
*   **Leverage Advanced Technology**: Utilize a state-of-the-art prover that incorporates advanced SMT solvers and formal methods.
*   **Contribute to Open Source**: Engage with an active community and contribute to the ongoing development of a vital security tool.

## Links

*   [GitHub Repository](https://github.com/Certora/CertoraProver){:target="_blank"}
*   [Official Documentation](https://docs.certora.com/en/latest/docs/user-guide/index.html){:target="_blank"}
*   [Certora Inc. on X (Twitter)](https://x.com/certorainc){:target="_blank"}