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Project Summary

The CompCert project investigates the formal verification of realistic compilers usable for critical embedded software. Such verified compilers come with a mathematical, machine-checked proof that the generated executable code behaves exactly as prescribed by the semantics of the source program. By ruling out the possibility of compiler-introduced bugs, verified compilers strengthen the guarantees that can be obtained by applying formal methods to source programs.

The main result of the project is the CompCert C verified compiler, a high-assurance compiler for almost all of the C language (ISO C99), generating efficient code for the PowerPC, ARM, RISC-V and x86 processors.

Tags

c compiler coq formally-verified

Project Security

Vulnerabilities per Version ( last 10 releases )

There are no reported vulnerabilities

Project Vulnerability Report

Security Confidence Index

Poor security track-record
Favorable security track-record

Vulnerability Exposure Index

Many reported vulnerabilities
Few reported vulnerabilities

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About Project Security

Languages

coq
81%
OCaml
15%
8 Other
4%

30 Day Summary

Jul 11 2025 — Aug 10 2025

12 Month Summary

Aug 10 2024 — Aug 10 2025
  • 131 Commits
    Up + 70 (114%) from previous 12 months
  • 10 Contributors
    Up + 2 (25%) from previous 12 months