Formal Proofs of Tarjan's Algorithm in Why3, Coq, and Isabelle

Ran Chen 1 Cyril Cohen 2 Jean-Jacques Levy 3 Stephan Merz 4 Laurent Thery 2
1 Institute of Software Chinese Academy of Sciences [Beijing]
2 MARELLE - Mathematical, Reasoning and Software
CRISAM - Inria Sophia Antipolis - Méditerranée
3 PI.R2 - Design, study and implementation of languages for proofs and programs
Inria de Paris, CNRS - Centre National de la Recherche Scientifique, UPD7 - Université Paris Diderot - Paris 7, PPS - Preuves, Programmes et Systèmes
4 VERIDIS - Modeling and Verification of Distributed Algorithms and Systems
LORIA - FM - Department of Formal Methods , Inria Nancy - Grand Est, MPII - Max-Planck-Institut für Informatik
Abstract : Comparing provers on a formalization of the same problem is always a valuable exercise. In this paper, we present the formal proof of correctness of a non-trivial algorithm from graph theory that was carried out in three proof assistants: Why3, Coq, and Isabelle.
Keywords : Program verification Mathematical logic Formal proof Graph algorithm
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Preprints, Working Papers, ...
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https://hal.inria.fr/hal-01906155
Contributor : Stephan Merz <>
Submitted on : Friday, October 26, 2018 - 2:43:12 PM
Last modification on : Friday, April 19, 2019 - 4:54:53 PM
Document(s) archivé(s) le : Sunday, January 27, 2019 - 2:44:09 PM

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  • HAL Id : hal-01906155, version 1
  • ARXIV : 1810.11979

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Ran Chen, Cyril Cohen, Jean-Jacques Levy, Stephan Merz, Laurent Thery. Formal Proofs of Tarjan's Algorithm in Why3, Coq, and Isabelle. 2018. ⟨hal-01906155⟩

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