Automatic verification of epistemic specifications under convergent equational theories

  • Authors:
  • Ioana Boureanu;Andrew V. Jones;Alessio Lomuscio

  • Affiliations:
  • Ecole Polytechnique Federal de Lausanne;Imperial College London;Imperial College London

  • Venue:
  • Proceedings of the 11th International Conference on Autonomous Agents and Multiagent Systems - Volume 2
  • Year:
  • 2012

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Abstract

We present a methodology for the automatic verification of multi-agent systems against temporal-epistemic specifications derived from higher-level languages defined over convergent equational theories. We introduce a modality called rewriting knowledge that operates on local equalities. We discuss the conditions under which its interpretation can be approximated by a second modality that we introduce called empirical knowledge. Empirical knowledge is computationally attractive from a verification perspective. We report on an implementation of a technique to verify this modality with the open source model checker mcmas. We evaluate the approach by verifying multi-agent models of electronic voting protocols automatically extracted from high-level descriptions.