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arXiv 2005.00990cs.LOcs.FL
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定期模型检验再访(技术报告)

Regular Model Checking Revisited (Technical Report)

Anthony W. Lin, Philipp Rümmer

摘要:

在这方面的贡献,我们重温定期模型检验,一个强大的框架,已成功地应用于验证的无限状态系统,特别是参数化系统(并发系统与任意数量的进程)。我们提供了一个重新制定的定期模型检验与长度保持传感器在存在的二阶理论在自动结构。我们认为,这是一个自然的配方,使我们能够利用强大的综合技术,已被广泛研究的软件验证社区。更确切地说,在这个公式中,一阶部分表示所需正确性属性的验证条件(我们有完整的求解器),而存在量化的二阶变量表示要合成的关系。我们表明,许多有趣的正确性可以用这种方式制定,例如安全,活性,双相似性,和游戏。更重要的是,我们表明,这种新的配方允许新的有趣的基准(和旧的定期模型检验基准,以前被认为是困难的),特别是在参数化系统验证领域,要解决。

英文摘要:

In this contribution we revisit regular model checking, a powerful framework that has been successfully applied for the verification of infinite-state systems, especially parameterized systems (concurrent systems with an arbitrary number of processes). We provide a reformulation of regular model checking with length-preserving transducers in terms of existential second-order theory over automatic structures. We argue that this is a natural formulation that enables us tap into powerful synthesis techniques that have been extensively studied in the software verification community. More precisely, in this formulation the first-order part represents the verification conditions for the desired correctness property (for which we have complete solvers), whereas the existentially quantified second-order variables represent the relations to be synthesized. We show that many interesting correctness properties can be formulated in this way, examples being safety, liveness, bisimilarity, and games. More importantly, we show that this new formulation allows new interesting benchmarks (and old regular model checking benchmarks that were previously believed to be difficult), especially in the domain of parameterized system verification, to be solved.

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