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Unifying Semantic Foundations for Automated Verification Tools in Isabelle/UTP

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JournalScience of Computer Programming
DateAccepted/In press - 15 Jun 2020
DateE-pub ahead of print (current) - 26 Jun 2020
Volume197
Number of pages40
Early online date26/06/20
Original languageEnglish

Abstract

The growing complexity and diversity of models used for engineering dependable systems implies that a variety of formal methods, across differing abstractions, paradigms, and presentations, must be integrated. Such an integration requires unified semantic foundations for the various notations, and co-ordination of a variety of automated verification tools. The contribution of this paper is Isabelle/UTP, an implementation of Hoare and He’s Unifying Theories of Programming, a framework for unification of formal semantics. Isabelle/UTP permits the mechanisation of computational theories for diverse paradigms, and their use in constructing formalised semantics. These can be further applied in the development of verification tools, harnessing Isabelle’s proof automation facilities. Several layers of mathematical foundations are developed, including lenses to model variables and state spaces as algebraic objects, alphabetised predicates and relations to model programs, algebraic and axiomatic semantics, proof tools for Hoare logic and refinement calculus, and UTP theories to encode computational paradigms.

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© 2020 Elsevier B.V. All rights reserved. This is an author-produced version of the published paper. Uploaded in accordance with the publisher’s self-archiving policy.

45 pages, submitted to Science of Computer Programming, March 2019

    Research areas

  • cs.LO, cs.FL

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