Abstract BDDs: A Technque for Using Abstraction in Model Checking

  • Authors:
  • Edmund M. Clarke;Somesh Jha;Yuan Lu;Dong Wang

  • Affiliations:
  • -;-;-;-

  • Venue:
  • CHARME '99 Proceedings of the 10th IFIP WG 10.5 Advanced Research Working Conference on Correct Hardware Design and Verification Methods
  • Year:
  • 1999

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Abstract

We propose a new methodology for exploiting abstraction in the context of model-checking. Our new technique uses abstract BDDs as its underlying data structure. We show that this technique builds a more refined model than traditional compiler-based methods proposed by Clarke, Grumberg and Long. We also provide experimental results to demonstrate the usefulness of our method. We have verified a pipelined carry-save multiplier and a simple version of the PCI local bus protocol. Our verification of the PCI bus revealed a subtle inconsistency in the PCI standard. We believe this is an interesting result by itself.