Abstract
Event-B is a state-based formal method for system development. The Event-B mathematical language does not support a syntax for the direct definition of structured types such as records. This paper proposes extending the Event-B language with direct record definitions. A key feature is the ability to extend records with new fields in refinement steps. The XEvent-B tool, which supports a textual representation of Event-B models, is extended to provide support for direct record definition and automatic transformation of record structures into standard Event-B elements. We demonstrate this work by modelling of the Tokeneer case study.
This work is supported by the HiClass project (113213), which is part of the ATI Programme, a joint Government and industry investment to maintain and grow the UK’s competitive position in civil aerospace design and manufacture.
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Salehi Fathabadi, A., Snook, C., Hoang, T.S., Dghaym, D., Butler, M. (2021). Extensible Record Structures in Event-B. In: Raschke, A., Méry, D. (eds) Rigorous State-Based Methods. ABZ 2021. Lecture Notes in Computer Science(), vol 12709. Springer, Cham. https://doi.org/10.1007/978-3-030-77543-8_12
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DOI: https://doi.org/10.1007/978-3-030-77543-8_12
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