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OSEK/VDX Operating System Specification is a standard in automotive industry with a long history. Dozens of mature industrial operating systems are based on this specification and widely applied in the products of major automotive manufacturers. The verification of the operating system products is always a hard nut to crack. In this paper, we propose a formal specification of OSEK/VDX Operating System based on Hoare Logic, which helps us to get rid of the confusion and ambiguities of the informal specification. In this framework, the formalization of all the Application Programming Interfaces are made. As a case study, we link our framework to the formal verification tool VCC. Some errors are detected in a market-upcoming operating system product based on our framework. We conclude that our framework is feasible in verification of operating system.
Date of Conference: 29-31 Aug. 2011