Informace o publikaci

MUST: Minimal Unsatisfiable Subsets Enumeration Tool


BENDÍK Jaroslav ČERNÁ Ivana

Rok publikování 2020
Druh Článek ve sborníku
Konference Tools and Algorithms for the Construction and Analysis of Systems
Fakulta / Pracoviště MU

Fakulta informatiky

Klíčová slova Minimal unsatisfiable subsets;Unsatisfiability analysis;Infeasibility analysis;MUS;Diagnosis
Popis In many areas of computer science, we are given an unsatisfiable set of constraints with the goal to provide an insight into the unsatisfiability. One of common approaches is to identify minimal unsatisfiable subsets (MUSes) of the constraint set. The more MUSes are identified, the better insight is obtained. However, since there can be up to exponentially many MUSes, their complete enumeration might be intractable. Therefore, we focus on algorithms that enumerate MUSes online, i.e. one by one, and thus can find at least some MUSes even in the intractable cases. Since MUSes find applications in different constraint domains and new applications still arise, there have been proposed several domain agnostic algorithms. Such algorithms can be applied in any constraint domain and thus theoretically serve as ready-to-use solutions for all the emerging applications. However, there are almost no domain agnostic tools, i.e. tools that both implement domain agnostic algorithms and can be easily extended to support any constraint domain. In this work, we close this gap by introducing a domain agnostic tool called MUST. Our tool outperforms other existing domain agnostic tools and moreover, it is even competitive to fully domain specific solutions.
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