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Real-time system is playing an important role in our society. For such a system, sensitivity to timing is the central feature of system behaviors, which means tasks in the system are required to be completed before their deadlines. Currently, almost all the practical real-time systems are equipped within multiple processors, for which the schedule synthesis to make sure that all the tasks can be completed...
OSEK/VDX, a standard of automobile OS, has been widely adopted by many manufacturers to design and implement a vehicle-mounted OS. Currently, with increasing functionalities in vehicles, more and more complex applications are developed based on the OSEK/VDX OS. However, how to ensure the reliability of developed applications is becoming a challenge for developers. Based on our previous work, in this...
In a real-time system, tasks are required to be completed before their deadlines. Due to heavy workload, the system may be in overload condition under which some tasks may miss their deadlines. To alleviate the degrees of system performance degradation cased by the missed deadline tasks, the design of scheduling is crucial. Many design objectives can be considered. In this paper, we focus on maximizing...
With the growing demands for automotive auxiliary functions, more and more complex applications have been developed based on OSEK/VDX OS. However, how to check the developed applications is becoming a challenge for developers. Although some invaluable formal methods have been proposed to check actual software, these methods cannot be directly employed to check OSEK/VDX applications. In this paper,...
With the growing demands for automotive auxiliary functions, more and more complex applications have been developed based on OSEK/VDX OS. However, how to completely check developed applications is becoming a challenge for developers. In this paper, we describe and develop an approach to check developed applications based on the SMT-based BMC. We have implemented a prototype tool and conducted some...
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