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Certified Non-Confluence with ConCon 1.5

Thomas Sternagel, Christian Sternagel

Proceedings of the 6th International Workshop on Confluence (IWC 2017),  2017.

Abstract

We present three methods to check CTRSs for non-confluence: (1) an ad hoc method for 4-CTRSs, (2) a specialized method for unconditional critical pairs, and finally, (3) a method that employs conditional narrowing to find non-confluence witnesses. We shortly describe our implementation of these methods in ConCon, then look into their certification with CeTA, and finally conclude with experiments on the confluence problems database (Cops).

 

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BibTeX 

@inproceedings{TSCS-IWC17,
author = "Thomas Sternagel and Christian Sternagel",
title = "Certified Non-Confluence with ConCon 1.5",
booktitle = "Proceedings of the 6th International Workshop on Confluence (IWC'17)",
year = 2017
}
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