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A Formal Approach to Verify Parameterized Protocols in Mobile Cyber-Physical Systems

机译:一种验证移动网络物理系统中参数化协议的正式方法

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摘要

Mobile cyber-physical systems (CPSs) are very hard to verify, because of asynchronous communication and the arbitrary number of components. Verification via model checking typically becomes impracticable due to the state space explosion caused by the system parameters and concurrency. In this paper, we propose a formal approach to verify the safety properties of parameterized protocols in mobile CPS. By using counter abstraction, the protocol is modeled as a Petri net. Then, a novel algorithm, which uses IC3 (the state-of-the-art model checking algorithm) as the back-end engine, is presented to verify the Petri net model. The experimental results show that our new approach can greatly scale the verification capabilities compared favorably against several recently published approaches. In addition to solving the instances fast, our method is significant for its lower memory consumption.
机译:由于异步通信和任意数量的组件,移动网络地理系统(CPS)非常难以验证。通过模型检查验证通常会因系统参数和并发性引起的状态爆炸而变得不切实际。在本文中,我们提出了一种正式的方法来验证移动CP中参数化协议的安全性。通过使用计数器抽象,协议被建模为Petri网。然后,提出了一种使用IC3(最先进的模型检查算法)作为后端引擎的新型算法,以验证Petri网络模型。实验结果表明,我们的新方法可以极大地缩放验证能力,而有利地与最近发表的几种方法相比。除了快速解决实例外,我们的方法对于其较低的存储器消耗而言是显着的。

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