Statecharts: A visual formalism for complex systems
Science of Computer Programming
Completeness and Consistency in Hierarchical State-Based Requirements
IEEE Transactions on Software Engineering - Special issue: best papers of the 17th International Conference on Software Engineering (ICSE-17)
Formal Requirements Analysis of an Avionics Control System
IEEE Transactions on Software Engineering - Special issue on formal methods in software practice
The Synchronous Approach to Designing Reactive Systems
Formal Methods in System Design - Special issue: industrial critical systems
Proof, language, and interaction
Synchronous Programming of Reactive Systems
Synchronous Programming of Reactive Systems
Model Checking Large Software Specifications
IEEE Transactions on Software Engineering
Mode-Automata: About Modes and States for Reactive Systems
ESOP '98 Proceedings of the 7th European Symposium on Programming: Programming Languages and Systems
Time-Deterministic Hybrid Transition Systems
Hybrid Systems V
Integration of Analog and Discrete Synchronous Design
HSCC '99 Proceedings of the Second International Workshop on Hybrid Systems: Computation and Control
PVS: A Prototype Verification System
CADE-11 Proceedings of the 11th International Conference on Automated Deduction: Automated Deduction
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Support for system specification in terms of modelling and simulation environments has become a common practice in safety-critical applications. Also, a current trend is the automatic code-generation, and integration with formal methods tools in terms of translators from a high level design - often using common intermediate languages. What is missing from current formal methods tools is a well-founded integration of models for different parts of a system, being software/hardware or control-intensive/data-intensive. By hardware we mean here the full range of domains in engineering systems including mechanics, hydraulics, electronics. Thus, there is a methodological gap for proving system properties from semantically well-defined descriptions of the parts. We report on the progress achieved with the European SYRF project with regard to verification of integrated analog/discrete systems. The project pursues the development of new theories, application to case studies, and tool development in parallel. We use a ventilation control system, a case study provided by Saab Aerospace, to illustrate the work in progress on how hardware and software models used by engineers can be derived, composed and analysed for satisfaction of safety and timeliness properties.