Verification of real-time designs: combining scheduling theory with automatic formal verification
ESEC/FSE-7 Proceedings of the 7th European software engineering conference held jointly with the 7th ACM SIGSOFT international symposium on Foundations of software engineering
Specification and analysis of real-time systems with PARAGON
Annals of Software Engineering
A Graphical Language for Specifying and Analyzing Real-Time Systems
Integrated Computer-Aided Engineering
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Graphical Communicating Shared Resources is a formal language for the specification and analysis of real-time systems, including their functional, temporal and resource requirements. GCSR supports the explicit representation of system resources and priorities to arbitrate resource contentions. These features allow a designer to examine resource inherent constraints and to experiment with various resource allocations and scheduling disciplines in order to produce a more dependable specification. In addition, GCSR has a precise operational semantics and notions of equivalence that allow the execution and formal analysis of a specification. In this paper, we show how to model a scheduling discipline and verify schedulability and safety properties within GCSR. We illustrate our method through a mobile robotic application.