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Towards an Efficient Algorithm for Unfolding Petri Nets

机译:面向展开Petri网的高效算法

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摘要

Model checking based on the causal partial order semantics of Petri nets is an approach widely applied to cope with the state space explosion problem. One of the ways to exploit such a semantics is to consider (finite prefixes of) net unfoldings, which contain enough information to reason about the reachable markings of the original Petri nets. In this paper, we propose several improvements to the existing algorithms for generating finite complete prefixes of net unfoldings. Experimental results demonstrate that one can achieve significant speedups when transition presets of a net being unfolded have overlapping parts.
机译:基于Petri网的因果偏序语义的模型检查是一种广泛用于解决状态空间爆炸问题的方法。利用这种语义的一种方法是考虑网络展开(的有限前缀),其中包含足够的信息来推断原始Petri网络的可达标记。在本文中,我们提出了对现有算法的一些改进,这些算法用于生成网络展开的有限完整前缀。实验结果表明,当展开的网络过渡预设具有重叠部分时,可以大大提高速度。

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