Publikation:

Proving hypersafety compositionally

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2022

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Farzan, Azadeh
Dreyer, Derek

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European Union (EU): 101003349

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Proceedings of the ACM on Programming Languages. ACM. 2022, 6(OOPSLA2), S. 289-314. eISSN 2475-1421. Verfügbar unter: doi: 10.1145/3563298

Zusammenfassung

Hypersafety properties of arity N are program properties that relate N traces of a program (or, more generally, traces of N programs). Classic examples include determinism, idempotence, and associativity. A number of relational program logics have been introduced to target this class of properties. Their aim is to construct simpler proofs by capitalizing on structural similarities between the N related programs. We propose an unexplored, complementary proof principle that establishes hyper-triples (i.e. hypersafety judgments) as a unifying compositional building block for proofs, and we use it to develop a Logic for Hyper-triple Composition (LHC), which supports forms of proof compositionality that were not achievable in previous logics. We prove LHC sound and apply it to a number of challenging examples.

Zusammenfassung in einer weiteren Sprache

Fachgebiet (DDC)
004 Informatik

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Hyperproperties, Modularity, Compositionality, Weakest Precondition

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ISO 690D'OSUALDO, Emanuele, Azadeh FARZAN, Derek DREYER, 2022. Proving hypersafety compositionally. In: Proceedings of the ACM on Programming Languages. ACM. 2022, 6(OOPSLA2), S. 289-314. eISSN 2475-1421. Verfügbar unter: doi: 10.1145/3563298
BibTex
@article{DOsualdo2022-10-31Provi-70863,
  year={2022},
  doi={10.1145/3563298},
  title={Proving hypersafety compositionally},
  number={OOPSLA2},
  volume={6},
  journal={Proceedings of the ACM on Programming Languages},
  pages={289--314},
  author={D'Osualdo, Emanuele and Farzan, Azadeh and Dreyer, Derek}
}
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