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Model checking a SystemC/TLM design of the AMBA AHB protocol

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3 Author(s)
Marcel Pockrandt ; Technische Universität Berlin Berlin, Germany ; Paula Herber ; Sabine Glesner

Transaction Level Modeling (TLM) is gaining more and more importance to quickly evaluate design alternatives in multimedia systems and other mixed HW/SW systems. However, the comprehensive and automated verification of TLM models is still a difficult challenge. In previous work, we presented an approach for model checking of SystemC/TLM designs based on a transformation into Uppaal timed automata. In this paper, we present an optimized version of our previously proposed transformation, and show its effectiveness with experimental results from an industrial case study. The key idea is to generate a Uppaal model that is especially tailored for being model checked. This significantly reduces the semantic state space and makes model checking considerably faster and less memory-consuming. We demonstrate this by comparing the verification times of both versions for our previously used case study, and by presenting results from a new and larger case study, namely a TLM implementation of the AMBA Advanced High-performance Bus (AHB). The AMBA bus is one of the most popular on-chip bus architectures in IP-based embedded SoCs, and it is used in many multimedia applications. The case study shows that with the proposed optimizations, our approach is applicable for industrial real world examples. The detection of a serious bug, namely a deadlock situation in a certain scenario, and also the verification of some important safety, liveness, and timing properties provide evidence for the usefulness of our approach.

Published in:

2011 9th IEEE Symposium on Embedded Systems for Real-Time Multimedia

Date of Conference:

13-14 Oct. 2011