Closing the Gap – The Formally Verified Optimizing Compiler CompCert

Daniel Kästner 1 Xavier Leroy 2 Sandrine Blazy 3 Bernhard Schommer 1 Michael Schmidt 1 Christian Ferdinand 1
1 Angewandte Informatik - AbsInt GmbH
2 GALLIUM - Programming languages, types, compilation and proofs
Inria Paris-Rocquencourt
3 CELTIQUE - Software certification with semantic analysis
Inria Rennes – Bretagne Atlantique , IRISA-D4 - LANGAGE ET GÉNIE LOGICIEL
Abstract : CompCert is the first commercially available optimizing compiler that is formally verified, using machine-assisted mathematical proofs, to be free from miscompilation. The executable code it produces is proved to behave exactly as specified by the semantics of the source C program. CompCert's intended use is the compilation of safety-critical and mission-critical software meeting high levels of assurance. This article gives an overview of the design of CompCert and its proof concept, summarizes the resulting confidence argument, and gives an overview of relevant tool qualification strategies. We briefly summarize practical experience and give an overview of recent CompCert developments.
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Daniel Kästner, Xavier Leroy, Sandrine Blazy, Bernhard Schommer, Michael Schmidt, et al.. Closing the Gap – The Formally Verified Optimizing Compiler CompCert. SSS'17: Safety-critical Systems Symposium 2017, Feb 2017, Bristol, United Kingdom. pp.163-180. ⟨hal-01399482⟩

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