Bounded Model Checking for Unbounded Client Server Systems

Fuente: arXiv
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Hauptverfasser: Phawade, Ramchandra, Prince, Tephilla, Sheerazuddin, S.
Format: Preprint
Veröffentlicht: 2022
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author Phawade, Ramchandra
Prince, Tephilla
Sheerazuddin, S.
author_facet Phawade, Ramchandra
Prince, Tephilla
Sheerazuddin, S.
contents Bounded model checking (BMC) is an efficient formal verification technique which allows for desired properties of a software system to be checked on bounded runs of an abstract model of the system. The properties are frequently described in some temporal logic and the system is modeled as a state transition system. In this paper we propose a novel counting logic, $\mathcal{L}_{C}$, to describe the temporal properties of client-server systems with an unbounded number of clients. We also propose two dimensional bounded model checking ($2D$-BMC) strategy that uses two distinguishable parameters, one for execution steps and another for the number of tokens in the net representing a client-server system, and these two evolve separately, which is different from the standard BMC techniques in the Petri Nets formalism. This $2D$-BMC strategy is implemented in a tool called DCModelChecker which leverages the $2D$-BMC technique with a state-of-the-art satisfiability modulo theories (SMT) solver Z3. The system is given as a Petri Net and properties specified using $\mathcal{L}_{C}$ are encoded into formulas that are checked by the solver. Our tool can also work on industrial benchmarks from the Model Checking Contest (MCC). We report on these experiments to illustrate the applicability of the $2D$-BMC strategy.
format Preprint
id arxiv_https___arxiv_org_abs_2209_05879
institution arXiv
publishDate 2022
record_format arxiv
spellingShingle Bounded Model Checking for Unbounded Client Server Systems
Phawade, Ramchandra
Prince, Tephilla
Sheerazuddin, S.
Logic in Computer Science
03-04, 03B44, 03B70
F.4; I.2.2; I.2.4
Bounded model checking (BMC) is an efficient formal verification technique which allows for desired properties of a software system to be checked on bounded runs of an abstract model of the system. The properties are frequently described in some temporal logic and the system is modeled as a state transition system. In this paper we propose a novel counting logic, $\mathcal{L}_{C}$, to describe the temporal properties of client-server systems with an unbounded number of clients. We also propose two dimensional bounded model checking ($2D$-BMC) strategy that uses two distinguishable parameters, one for execution steps and another for the number of tokens in the net representing a client-server system, and these two evolve separately, which is different from the standard BMC techniques in the Petri Nets formalism. This $2D$-BMC strategy is implemented in a tool called DCModelChecker which leverages the $2D$-BMC technique with a state-of-the-art satisfiability modulo theories (SMT) solver Z3. The system is given as a Petri Net and properties specified using $\mathcal{L}_{C}$ are encoded into formulas that are checked by the solver. Our tool can also work on industrial benchmarks from the Model Checking Contest (MCC). We report on these experiments to illustrate the applicability of the $2D$-BMC strategy.
title Bounded Model Checking for Unbounded Client Server Systems
topic Logic in Computer Science
03-04, 03B44, 03B70
F.4; I.2.2; I.2.4
url https://arxiv.org/abs/2209.05879