The B-book: assigning programs to meanings
The B-book: assigning programs to meanings
Safety Patterns - The Key to Formal Specification of Safety Requirements
SAFECOMP '01 Proceedings of the 20th International Conference on Computer Safety, Reliability and Security
A Generic Goal-Based Certification Argument for the Justification of Formal Analysis
Electronic Notes in Theoretical Computer Science (ENTCS)
Modeling in Event-B: System and Software Engineering
Modeling in Event-B: System and Software Engineering
Use case scenarios as verification conditions: event-B/flow approach
SERENE'11 Proceedings of the Third international conference on Software engineering for resilient systems
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Safety cases are adopted in the certification process of many safety-critical systems. They justify why a system is safe and whether the design adequately incorporates safety requirements defined in a system requirement specification. The use of formal methods facilitates modelling and verification of safety-critical systems. In our work, we aim at establishing a link between formal modelling in Event-B and constructing a safety case. We propose an approach to incorporating safety requirements in a formal specification in such a way that it allows the developers to derive a safety case sufficient to demonstrate safety. We present a small case study illustrating the proposed approach.