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|Title:||Scalable and precise refinement of cache timing analysis via path-sensitive verification|
|Source:||Chattopadhyay, S., Roychoudhury, A. (2013-07). Scalable and precise refinement of cache timing analysis via path-sensitive verification. Real-Time Systems 49 (4) : 517-562. ScholarBank@NUS Repository. https://doi.org/10.1007/s11241-013-9178-0|
|Abstract:||Hard real-time systems require absolute guarantees in their execution times. Worst case execution time (WCET) of a program has therefore become an important problem to address. However, performance enhancing features of a processor (e.g. cache) make WCET analysis a difficult problem. In this paper, we propose a novel analysis framework by combining abstract interpretation and program verification for different varieties of cache analysis ranging from single to multi-core platforms. Our framework can be instantiated with different program verification techniques, such as model checking and symbolic execution. Our modeling is used to develop a precise yet scalable timing analysis method on top of the Chronos WCET analysis tool. Experimental results demonstrate that we can obtain significant improvement in precision with reasonable analysis time overhead. © 2013 Springer Science+Business Media New York.|
|Source Title:||Real-Time Systems|
|Appears in Collections:||Staff Publications|
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