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Supporting reuse mechanisms for developments in event-b: composition

Supporting reuse mechanisms for developments in event-b: composition
Supporting reuse mechanisms for developments in event-b: composition
The development of specifications often is a combination of smaller sub-components. Focusing on reuse, an interesting perspective is to formally define the combination of sub-components through refinement steps, reusing their properties and generating larger systems. The previous situation suggests the application of a reuse mechanism: composition. Event-B is a formal method that allows modelling and refinement of systems. The combination and reuse of existing sub-components is not currently supported in Event-B. We propose the development of composition by extending the Event-B formalism as an option for developing larger models, focusing in distributed systems. A tool is developed to support the shared event composition in the Rodin platform. Properties and proof obligations of sub-components are reused and sufficient proof obligations are generated to ensure valid composed models.
formal methods, composition, Event-B, specification, design techniques
University of Southampton
Silva, Renato
884a067a-d20d-480d-8777-430bdee494b4
Butler, Michael
54b9c2c7-2574-438e-9a36-6842a3d53ed0
Silva, Renato
884a067a-d20d-480d-8777-430bdee494b4
Butler, Michael
54b9c2c7-2574-438e-9a36-6842a3d53ed0

Silva, Renato and Butler, Michael (2009) Supporting reuse mechanisms for developments in event-b: composition Southampton, UK. University of Southampton 15pp.

Record type: Monograph (Project Report)

Abstract

The development of specifications often is a combination of smaller sub-components. Focusing on reuse, an interesting perspective is to formally define the combination of sub-components through refinement steps, reusing their properties and generating larger systems. The previous situation suggests the application of a reuse mechanism: composition. Event-B is a formal method that allows modelling and refinement of systems. The combination and reuse of existing sub-components is not currently supported in Event-B. We propose the development of composition by extending the Event-B formalism as an option for developing larger models, focusing in distributed systems. A tool is developed to support the shared event composition in the Rodin platform. Properties and proof obligations of sub-components are reused and sufficient proof obligations are generated to ensure valid composed models.

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More information

Accepted/In Press date: 17 September 2009
Published date: 30 November 2009
Keywords: formal methods, composition, Event-B, specification, design techniques

Identifiers

Local EPrints ID: 69662
URI: http://eprints.soton.ac.uk/id/eprint/69662
PURE UUID: 03ede3ff-3c41-4c5b-91b6-e0af35c1c3cb
ORCID for Michael Butler: ORCID iD orcid.org/0000-0003-4642-5373

Catalogue record

Date deposited: 30 Nov 2009
Last modified: 14 Mar 2024 02:39

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Contributors

Author: Renato Silva
Author: Michael Butler ORCID iD

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