A concurrent program logic with a future and history

Verifying fine-grained optimistic concurrent programs remains an open problem. Modern program logics provide abstraction mechanisms and compositional reasoning principles to deal with the inherent complexity. However, their use is mostly confined to pencil-and-paper or mechanized proofs. We devise a...

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Vydané v:Proceedings of ACM on programming languages Ročník 6; číslo OOPSLA2; s. 1378 - 1407
Hlavní autori: Meyer, Roland, Wies, Thomas, Wolff, Sebastian
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: New York, NY, USA ACM 31.10.2022
Predmet:
Automated reasoning
Hoare logic
Program verification
Programming logic
Separation logic
Theory of computation
Linearizability
Harris Set
Non-blocking Data Structures
ISSN:2475-1421, 2475-1421
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Shrnutí:Verifying fine-grained optimistic concurrent programs remains an open problem. Modern program logics provide abstraction mechanisms and compositional reasoning principles to deal with the inherent complexity. However, their use is mostly confined to pencil-and-paper or mechanized proofs. We devise a new separation logic geared towards the lacking automation. While local reasoning is known to be crucial for automation, we are the first to show how to retain this locality for (i) reasoning about inductive properties without the need for ghost code, and (ii) reasoning about computation histories in hindsight. We implemented our new logic in a tool and used it to automatically verify challenging concurrent search structures that require inductive properties and hindsight reasoning, such as the Harris set.
ISSN:2475-1421
2475-1421
DOI:10.1145/3563337