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Erschienen in:
2011 | OriginalPaper | Buchkapitel
Applying Atomicity and Model Decomposition to a Space Craft System in Event-B
verfasst von : Asieh Salehi Fathabadi, Abdolbaghi Rezazadeh, Michael Butler
Erschienen in: NASA Formal Methods
Verlag: Springer Berlin Heidelberg
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Event-B is a formal method for modeling and verifying consistency of systems. In formal methods such as Event-B, refinement is the process of enriching or modifying an abstract model in a step-wise manner in order to manage the development of complex and large systems. To further alleviate the complexity of developing large systems, Event-B refinement can be augmented with two techniques, namely atomicity decomposition and model decomposition. Our main objective in this paper is to investigate and evaluate the application of these techniques when used in a refinement based development. These techniques have been applied to the formal development of a space craft system. The outcomes of this experimental work are presented as assessment results. The experience and assessment can form the basis for some guidelines in applying these techniques in future cases.