Introducing Dynamic Constraints in B
B '98 Proceedings of the Second International B Conference on Recent Advances in the Development and Use of the B Method
Model-Checking CSP-OZ Specifications with FDR
IFM '99 Proceedings of the 1st International Conference on Integrated Formal Methods
On the Purpose of Event-B Proof Obligations
ABZ '08 Proceedings of the 1st international conference on Abstract State Machines, B and Z
Composing specifications using communication
ZB'03 Proceedings of the 3rd international conference on Formal specification and development in Z and B
Use case scenarios as verification conditions: event-B/flow approach
SERENE'11 Proceedings of the Third international conference on Software engineering for resilient systems
Combining CSP and b for specification and property verification
FM'05 Proceedings of the 2005 international conference on Formal Methods
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State-based methods for correct-by-construction software development rely on a combination of safety constraints and refinement obligations to demonstrate design correctness. One prominent challenge, especially in an industrial setting, is ensuring that a design is adequate: requirements compliant and fit for purpose. The paper presents a technique for augmenting state-based, refinement-driven formal developments with reasoning about use case scenarios; in particular, it discusses a way for the derivation of formal verification conditions from a high-level, diagrammatic language of use cases, and the methodological role of use cases in a formal modelling process.