Tools of Toyama-Aoto Laboratory

ACP (Automated Confluence Prover)

ACP is an automated confluence prover for term rewriting systems (TRSs). A distinct feature of ACP is incorporation of several divide-and-conquer criteria such as those for commutative (Toyama,1988), layer-preserving (Ohlebusch,1994) and persistent (Aoto & Toyama, 1997) combinations. For a TRS to which direct confluence criteria do not apply, the prover decomposes it into components and tries to apply direct confluence criteria to each component. Then the prover combines these results to infer the (non-)confluence of the whole system.

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