Publikation: Proving hypersafety compositionally
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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.
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D'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: 10.1145/3563298BibTex
@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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