CPAchecker
6.1#10 in formal verification toolsFree planFree planLinuxmacOSSelf-hostedWindows
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| Fact | CPAchecker | Lean |
|---|---|---|
| Support | The project directs installation questions, bug reports, and suggestions to its CPAchecker users mailing list, and also provides an issue tracker. | The Lean Community Zulip is described as the central hub for questions and collaboration, and Lean FRO hosts weekly technical office hours. |
CPAchecker suits developers and researchers verifying C or SV-LIB programs who need invariant-based analysis and counterexamples or proof artifacts. It is intended for users able to run it on supported desktop systems or self-hosted environments.
Lean suits programmers, theorem provers, and mathematicians working with formalization, proof checking, or software verification. Its general coding capability and browser version may also suit users exploring Lean before choosing a local setup.