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Towards Combining Model Checking and Proof Checking

Ying Jiang 1 Jian Liu 1 Gilles Dowek 2 Kailiang Ji 3 
2 DEDUCTEAM - Deduction modulo, interopérabilité et démonstration automatique
LSV - Laboratoire Spécification et Vérification [Cachan], Inria Saclay - Ile de France
3 PI.R2 - Design, study and implementation of languages for proofs and programs
UPD7 - Université Paris Diderot - Paris 7, CNRS - Centre National de la Recherche Scientifique, IRIF (UMR_8243) - Institut de Recherche en Informatique Fondamentale, Inria de Paris
Abstract : Model checking and automated theorem proving are two pillars of formal verification methods. This paper investigates model checking from an automated theorem proving perspective, aiming at combining the expressiveness of automated theorem proving and the complete automaticity of model checking. It places the focus on the verification of temporal logic properties of Kripke models. The main contributions are: (1) introducing an extended computation tree logic that allows polyadic predicate symbols; (2) designing a proof system for this logic, taking Kripke models as parameters; (3) developing a proof search algorithm for this system and a new automated theorem prover to implement it. The verification process of the new prover is completely automatic, and produces either a counterexample when the property does not hold, or a certificate when it does. The experimental results compare well to existing state-of-the-art tools on some benchmarks, and the efficiency is illustrated by application to an air traffic control problem.
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Submitted on : Friday, January 4, 2019 - 6:39:21 PM
Last modification on : Tuesday, October 25, 2022 - 4:24:52 PM



Ying Jiang, Jian Liu, Gilles Dowek, Kailiang Ji. Towards Combining Model Checking and Proof Checking. The Computer Journal, In press, ⟨10.1093/comjnl/bxy112⟩. ⟨hal-01970274⟩



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