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Correct composition of dephased behavioural models

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Published
Publication date14/09/2017
Host publicationFormal Aspects of Component Software: 14th International Conference, FACS 2017, Braga, Portugal, October 10-13, 2017, Proceedings 14
PublisherSpringer
Volume10487
ISBN (print)9783319680347, 9783319680330
<mark>Original language</mark>English

Abstract

Scenarios of execution are commonly used to specify partial behaviour and interactions between different objects and components in a system. To avoid overall inconsistency in specifications, various automated methods have emerged in the literature to compose (behavioural) models. In recent work, we have shown how the theorem prover Isabelle can be combined with the constraint solver Z3 to efficiently detect inconsistencies in two or more behavioural models and, in their absence, generate the composition. Here, we extend our approach further and show how to generate the correct composition (as a set of valid traces) of dephased models. This work has been inspired by a problem from a medical domain where different care pathways (for chronic conditions) may be applied to the same patient with different starting points.