Mind the gap : addressing behavioural inconsistencies with formal methods

Bowles, Juliana and Caminati, Marco B. (2016) Mind the gap : addressing behavioural inconsistencies with formal methods. In: 2016 23rd Asia-Pacific Software Engineering Conference (APSEC) :. IEEE. ISBN 9781509055753

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In complex system design, it is important to construct several design models focusing on different aspects of a system to gain a better understanding of individual component structure and behaviour. Scenarios of execution are commonly used to specify partial behaviour and interactions between a group of system objects or components. However, partial specifications may hide inconsistencies or an otherwise unintentionally incomplete or underspecified behavioural model. This paper proposes a new powerful technique combining constraint solvers and theorem provers to complete partial specifications and determine overall model inconsistencies. We use a true-concurrent model, namely labelled event structures, which can be used as the underlying semantics of widely used work flow or scenario-based languages. We show how an interplay between the theorem prover Isabelle and constraint solver Z3 can be used for detecting and solving partial specifications and inconsistencies over event structures.

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01 Feb 2023 17:05
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28 Nov 2023 10:40