Abstract

K-induction and predicate abstraction are well known techniques for unbounded software model checking. However, these methods are always treated as completely different in previous works. In the paper, we develop a combined method that merges k-induction and predicate abstraction into a CEGAR-based general abstraction method, which divides the target program into blocks that can be explored separately and extends k-induction in an abstract domain. Experiment results show that the combined method balances effectiveness and efficiency on k-induction and predicate abstraction implementations.

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