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This paper shows how predicate equation systems (PESs) may be used to solve model-checking problems for systems, such as those involving real-time or value passing, that manipulate data. PESs are first defined and the encoding of model-checking problems described; then generic global and local approaches for solving PESs are given. Real-time model checking… (More)

This paper presents a local algorithm for solving the universal parametric real-time model-checking problem. The problem may be phrased as follows: given a real-time system and temporal formula, both of which may contain parameters , and a constraint over the parameters, does every allowed parameter assignment ensure that the real-time system satisfies the… (More)

This paper reports on an eeort to integrate two veriica-tion tools, the Concurrency Workbench of the New Century (CWB-NC) and PIOATool. Our aim is to build a single tool that combines the \functional" analysis capabilities of the CWB-NC with the compo-sitional performance-analysis features of PIOATool. We discuss some of the issues involved in the… (More)

This paper develops a framework for solving <i>temporal-logic query-checking</i> problems for a class of infinite-state system models that compute with integer-valued variables (so-called <i>Presburger</i> systems, in which Presburger formulas are used to define system behavior). The temporal-logic query checking problem may be formulated as follows: given… (More)

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