Redevelopment of an industrial case study using Event-B and Rodin
Redevelopment of an industrial case study using Event-B and Rodin
CDIS is a commercial air traffic information system that was developed using formal methods 15 years ago by Praxis, and it is still in operation today. This system is an example of an industrial scale system that has been developed using formal methods. In particular, the functional requirements of the system were specified using VVSL -- a variant of VDM. A subset of the original specification has been chosen to be reconstructed on the Rodin platform based on the new Event-B formalism. The goal of our reconstruction was to overcome three key difficulties of the original formalisation, namely the difficulty of comprehending the original specification, the lack of any mechanical proof of the consistency of the specification and the difficulty of dealing with distribution and atomicity refinement. In this paper we elucidate how a new formal notation and tool can help to overcome these difficulties.
CDIS, Formal Methods, Event-B, Rodin
Rezazadeh, Abdolbaghi
ab1aeb76-9d41-4b46-820c-cc66b631cb99
Evans, Neil
65fb759c-7b27-4d36-84ce-3ba5c3c9b9de
Butler, Michael
54b9c2c7-2574-438e-9a36-6842a3d53ed0
12 December 2007
Rezazadeh, Abdolbaghi
ab1aeb76-9d41-4b46-820c-cc66b631cb99
Evans, Neil
65fb759c-7b27-4d36-84ce-3ba5c3c9b9de
Butler, Michael
54b9c2c7-2574-438e-9a36-6842a3d53ed0
Rezazadeh, Abdolbaghi, Evans, Neil and Butler, Michael
(2007)
Redevelopment of an industrial case study using Event-B and Rodin.
BCS-FACS Christmas 2007 Meeting - Formal Methods In Industry, , London, United Kingdom.
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Abstract
CDIS is a commercial air traffic information system that was developed using formal methods 15 years ago by Praxis, and it is still in operation today. This system is an example of an industrial scale system that has been developed using formal methods. In particular, the functional requirements of the system were specified using VVSL -- a variant of VDM. A subset of the original specification has been chosen to be reconstructed on the Rodin platform based on the new Event-B formalism. The goal of our reconstruction was to overcome three key difficulties of the original formalisation, namely the difficulty of comprehending the original specification, the lack of any mechanical proof of the consistency of the specification and the difficulty of dealing with distribution and atomicity refinement. In this paper we elucidate how a new formal notation and tool can help to overcome these difficulties.
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Published date: 12 December 2007
Additional Information:
Event Dates: 17 December 2007
Venue - Dates:
BCS-FACS Christmas 2007 Meeting - Formal Methods In Industry, , London, United Kingdom, 2007-12-17
Keywords:
CDIS, Formal Methods, Event-B, Rodin
Identifiers
Local EPrints ID: 264964
URI: http://eprints.soton.ac.uk/id/eprint/264964
PURE UUID: ec2521dc-2c37-49cc-bd3f-beda0086c4a9
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Date deposited: 12 Dec 2007 17:47
Last modified: 15 Mar 2024 03:17
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Contributors
Author:
Abdolbaghi Rezazadeh
Author:
Neil Evans
Author:
Michael Butler
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