sefm16 Arcaini, Paolo Gargantini, Angelo Riccobene, Elvinia

SMT-Based Automatic Proof of ASM Model Refinement

in Software Engineering and Formal Methods: 14th International Conference, SEFM 2016, Held as Part of STAF 2016, Vienna, Austria, July 4-8, 2016, Proceedings (Eds. De Nicola, Rocco and Kühn, Eva) Springer International Publishing (2016): 253--269 ISBN 978-3-319-41591-8

Abstract
Model refinement is a technique indispensable for modeling large and complex systems. Many formal specification methods share this concept which usually comes together with the definition of refinement correctness, i.e., the mathematical proof of a logical relation between an abstract model and its refined models. Model refinement is one of the main concepts which the Abstract State Machine (ASM) formal method is built on. Proofs of correct model refinement are usually performed manually, which reduces the usability of the ASM model refinement approach. An automatic support to assist the developer in proving refinement correctness along the chain of refinement steps could be of extreme importance to improve, in practice, the adoption of ASMs. In this paper, we present how the integration between the ASMs and Satisfiability Modulo Theories (SMT) can be used to automatically prove correctness of model refinement for the ASM method.


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