Software engineering with B
Specification in B: An Introduction Using the B Toolkit
Specification in B: An Introduction Using the B Toolkit
Program Development by Refinement: Case Studies Using the B Method
Program Development by Refinement: Case Studies Using the B Method
Controlling Control Systems: An Application of Evolving Retrenchment
ZB '02 Proceedings of the 2nd International Conference of B and Z Users on Formal Specification and Development in Z and B
MÉTÉOR: An Industrial Success in Formal Development
B '98 Proceedings of the Second International B Conference on Recent Advances in the Development and Use of the B Method
Retrenchment: An Engineering Variation on Refinement
B '98 Proceedings of the Second International B Conference on Recent Advances in the Development and Use of the B Method
Retrenchment: Extending the Reach of Refinement
ASE '99 Proceedings of the 14th IEEE international conference on Automated software engineering
UseCase-Wise Development: Retrenchment for Event-B
ABZ '08 Proceedings of the 1st international conference on Abstract State Machines, B and Z
A Practical Single Refinement Method for B
ABZ '08 Proceedings of the 1st international conference on Abstract State Machines, B and Z
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An experiment to incorporate retrenchment into the B-Toolkit is described. The syntax of a retrenchment construct is given, as is the proof obligation which gives retrenchment its semantics. The practical aspects of incorporating these into the existing B-Toolkit are then investigated. It transpires that the B-Toolkit's internal architecture is heavily committed to monolithic refinement, because of B-Method philosophy, and this restricts what can be done without a complete rebuild of the toolkit. Experience with case studies is outlined.