Abstract
Event-B provides a promising feature of refinement to gradually construct a comprehensive specification of a complex system including various aspects. It has unique difficulties to design complexity mitigation, while obeying Event-B consistency rules, among the potentially large possibilities of refinement plans. However, despite of the difficulties, existing studies on specific examples or high-level and intuitive guidelines are missing clear rationales, as well as principles, guidelines or methods supported by the rationales. In response to this problem, this paper presents a method for refinement planning from an informal/semi-formal specification. By defining primitive rationales, the method can eliminate undesirable plans such as the ones failing to mitigate the complexity. In a case study on a popular example from a book, we derived an enough small number of valid plans only by using the general and essential rationales while explaining the one presented in the book.
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Kobayashi, T., Ishikawa, F., Honiden, S. (2014). Understanding and Planning Event-B Refinement through Primitive Rationales. In: Ait Ameur, Y., Schewe, KD. (eds) Abstract State Machines, Alloy, B, TLA, VDM, and Z. ABZ 2014. Lecture Notes in Computer Science, vol 8477. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-43652-3_24
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DOI: https://doi.org/10.1007/978-3-662-43652-3_24
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-662-43651-6
Online ISBN: 978-3-662-43652-3
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