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2011
Springer

Sharing Is Caring: Combination of Theories

10 years 1 months ago
Sharing Is Caring: Combination of Theories
One of the main shortcomings of the traditional methods for combining theories is the complexity of guessing the arrangement of the variables shared by the individual theories. This paper presents a reformulation of the Nelson-Oppen method that takes into account explicit equality propagation and can ignore pairs of shared variables that the theories do not care about. We show the correctness of the new approach and present care functions for the theory of uninterpreted functions and the theory of arrays. The effectiveness of the new method is illustrated by experimental results demonstrating a dramatic performance improvement on benchmarks combining arrays and bit-vectors.
Dejan Jovanovic, Clark Barrett
Added 22 Dec 2011
Updated 22 Dec 2011
Type Journal
Year 2011
Where FROCOS
Authors Dejan Jovanovic, Clark Barrett
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