Brotherston, J;
Costa, D;
Hobor, A;
Wickerson, J;
(2020)
Reasoning over Permissions Regions in Concurrent Separation Logic.
In:
Computer Aided Verification.
(pp. pp. 203-224).
Springer: Switzerland, Cham.
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Abstract
We propose an extension of separation logic with fractional permissions, aimed at reasoning about concurrent programs that share arbitrary regions or data structures in memory. In existing formalisms, such reasoning typically either fails or is subject to stringent side conditions on formulas (notably precision) that significantly impair automation. We suggest two formal syntactic additions that collectively remove the need for such side conditions: first, the use of both “weak” and “strong” forms of separating conjunction, and second, the use of nominal labels from hybrid logic. We contend that our suggested alterations bring formal reasoning with fractional permissions in separation logic considerably closer to common pen-and-paper intuition, while imposing only a modest bureaucratic overhead.
| Type: | Proceedings paper |
|---|---|
| Title: | Reasoning over Permissions Regions in Concurrent Separation Logic |
| Event: | International Conference on Computer Aided Verification (CAV 2020) |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1007/978-3-030-53291-8_13 |
| Publisher version: | https://doi.org/10.1007/978-3-030-53291-8_13 |
| Language: | English |
| Additional information: | This chapter is licensed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made. The images or other third party material in this chapter are included in the chapter's Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the chapter's Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. |
| Keywords: | Separation logic, Permissions, Concurrency, Verification |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Computer Science |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10108169 |
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