Automatic Verification Of TLA+ Proof Obligations With SMT Solvers
Identifieur interne : 001134 ( Hal/Curation ); précédent : 001133; suivant : 001135Automatic Verification Of TLA+ Proof Obligations With SMT Solvers
Auteurs : Stephan Merz [France] ; Hernán Vanzetto [France]Source :
Abstract
TLA+ is a formal specification language that is based on ZF set theory and the Temporal Logic of Actions TLA. The TLA+ proof system TLAPS assists users in deductively verifying safety properties of TLA+ specifications. TLAPS is built around a proof manager, which interprets the TLA+ proof language, generates corresponding proof obligations, and passes them to backend verifiers. In this paper we present a new backend for use with SMT solvers that supports elementary set theory, functions, arithmetic, tuples, and records. Type information required by the solvers is provided by a typing discipline for TLA+ proof obligations, which helps us disambiguate the translation of expressions of (untyped) TLA+, while ensuring its soundness. Preliminary results show that the backend can help to significantly increase the degree of automation of certain interactive proofs.
Url:
DOI: 10.1007/978-3-642-28717-6_23
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<front><div type="abstract" xml:lang="en">TLA+ is a formal specification language that is based on ZF set theory and the Temporal Logic of Actions TLA. The TLA+ proof system TLAPS assists users in deductively verifying safety properties of TLA+ specifications. TLAPS is built around a proof manager, which interprets the TLA+ proof language, generates corresponding proof obligations, and passes them to backend verifiers. In this paper we present a new backend for use with SMT solvers that supports elementary set theory, functions, arithmetic, tuples, and records. Type information required by the solvers is provided by a typing discipline for TLA+ proof obligations, which helps us disambiguate the translation of expressions of (untyped) TLA+, while ensuring its soundness. Preliminary results show that the backend can help to significantly increase the degree of automation of certain interactive proofs.</div>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Automatic Verification Of TLA+ Proof Obligations With SMT Solvers</title>
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<surname>Merz</surname>
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<email>Stephan.Merz@loria.fr</email>
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<author role="aut"><persName><forename type="first">Hernán</forename>
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<monogr><meeting><title>18th International Conference on Logic for Programming, Artificial Intelligence and Reasoning (LPAR-18)</title>
<date type="start">2012-03</date>
<settlement>Mérida</settlement>
<country key="VE">Venezuela</country>
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<editor>Nikolaj Bjørner and Andrei Voronkov</editor>
<imprint><publisher>Springer</publisher>
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<biblScope unit="volume">7180</biblScope>
<biblScope unit="pp">289-303</biblScope>
<date type="datePub">2012-03</date>
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<idno type="doi">10.1007/978-3-642-28717-6_23</idno>
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<abstract xml:lang="en">TLA+ is a formal specification language that is based on ZF set theory and the Temporal Logic of Actions TLA. The TLA+ proof system TLAPS assists users in deductively verifying safety properties of TLA+ specifications. TLAPS is built around a proof manager, which interprets the TLA+ proof language, generates corresponding proof obligations, and passes them to backend verifiers. In this paper we present a new backend for use with SMT solvers that supports elementary set theory, functions, arithmetic, tuples, and records. Type information required by the solvers is provided by a typing discipline for TLA+ proof obligations, which helps us disambiguate the translation of expressions of (untyped) TLA+, while ensuring its soundness. Preliminary results show that the backend can help to significantly increase the degree of automation of certain interactive proofs.</abstract>
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