Statecharts: A visual formalism for complex systems
Science of Computer Programming
STATEMATE: A Working Environment for the Development of Complex Reactive Systems
IEEE Transactions on Software Engineering
The STATEMATE semantics of statecharts
ACM Transactions on Software Engineering and Methodology (TOSEM)
Modeling Reactive Systems with Statecharts: The Statemate Approach
Modeling Reactive Systems with Statecharts: The Statemate Approach
Verification of a Radio-Based Signaling System Using the STATEMATE Verification Environment
Formal Methods in System Design
Automated Test Set Generation for Statecharts
FM-Trends 98 Proceedings of the International Workshop on Current Trends in Applied Formal Method: Applied Formal Methods
The STATEMATE Verification Environment - Making It Real
CAV '00 Proceedings of the 12th International Conference on Computer Aided Verification
Statecharts in Use: Structured Analysis and Object-Orientation
Lectures on Embedded Systems, European Educational Forum, School on Embedded Systems
Rhapsody: A Complete Life-Cycle Model-Based Development System
IFM '02 Proceedings of the Third International Conference on Integrated Formal Methods
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Safety-critical reactive systems are characterized by a complex behavior, making their testing and debugging a very difficult task. Observed incorrect behavior might be hard to reproduce: even small changes in order or in time at which input events occur may have a significant impact on system reaction. The challenge is how to utilize (typically, partial) information about failed system run to reproduce and localize the problem. For statechart-based models of reactive systems, it is shown how testing and model checking can be combined to reproduce errors observed during execution of code generated from model. This approach is based on the use of Statemate ModelChecker tool. The main idea is to use the available knowledge about "irreproducible" run that violates system property P, in order to properly set up verification for reachability of not P. A realistic Rail Cross Control example is used to illustrate the approach.