autoC: an efficient translator for model checking deterministic scheduler based OSEK/VDX applications


The OSEK/VDX automotive OS standard has been widely adopted by many automobile manufacturers, such as BMW and TOYOTA, as the basis for designing and implementing a vehicle-mounted OS. With the increasing functionalities in vehicles, more and more multi-task applications are developed based on the OSEK/VDX OS. Currently, ensuring the reliability of the developed applications is becoming a challenge for developers. As to ensure the reliability of OSEK/VDX applications, model checking as a potential solution has attracted great attention in the automotive industry. However, existing model checkers are often unable to verify a large-scale OSEK/VDX application that consists of many tasks, since the corresponding application model too complex. To make existing model checkers more scalable in verifying large-scale OSEK/VDX applications, we describe a software tool named autoC to tackle this problem by automatically translating a multi-task OSEK/VDX application into an equivalent sequential model. We conducted a series of experiments to evaluate the efficiency of autoC. The experimental results show that autoC is not only capable of efficiently sequentializing OSEK/VDX applications, but also of improving the scalability and efficiency of existing model checkers in verifying large-scale OSEK/VDX applications.

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This work was supported by National Natural Science Foundation of China (Grant Nos. 61602224, 61472240) and Fundamental Research Funds for the Central Universities (Grant Nos. lzujbky-2016-142, lzujbky-2016-k07).

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Correspondence to Haitao Zhang.

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Zhang, H., Cheng, Z., Li, G. et al. autoC: an efficient translator for model checking deterministic scheduler based OSEK/VDX applications. Sci. China Inf. Sci. 61, 052102 (2018).

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  • OSEK/VDX application
  • deterministic scheduler
  • software formal method
  • model checking
  • sequentialization