Statecharts: A visual formalism for complex systems
Science of Computer Programming
The temporal logic of reactive and concurrent systems
The temporal logic of reactive and concurrent systems
Computer Systems Organization and Architecture
Computer Systems Organization and Architecture
Projection in Temporal Logic Programming
LPAR '94 Proceedings of the 5th International Conference on Logic Programming and Automated Reasoning
Reasoning in Interval Temporal Logic
Proceedings of the Carnegie Mellon Workshop on Logic of Programs
Model checking propositional projection temporal logic based on SPIN
ICFEM'07 Proceedings of the formal engineering methods 9th international conference on Formal methods and software engineering
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An approach for transforming UML statecharts into Projection Temporal Logic(PTL) formal models for system's simulation and verification is presented in this paper. UML Statechart is a graphic tool used to describe systems' behaviors, but it lacks formal semantics. PTL is a kind of temporal logic interpreted over discrete state sequences (intervals). With PTL, the formal semantics of UML Statecharts is defined. By transforming a UML statecharts into PTL model and describing properties with PTL, the system can be formally verified in the same logic frame and further simulated by Tempura-an executable subset of PTL. A tool has been developed for automatically transforming UML statechart diagrams into PTL formal models which will facilitate system's simulation and verification.