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The exists/forall solver failed: unsupported term #517

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Heaven2024 opened this issue Jun 6, 2024 · 0 comments
Open

The exists/forall solver failed: unsupported term #517

Heaven2024 opened this issue Jun 6, 2024 · 0 comments

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@Heaven2024
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Heaven2024 commented Jun 6, 2024

Hi
Yices 2.6.4
Copyright SRI International.
Linked with GMP 6.2.1
ubuntu:20.04

When using yices2 to solve quantifiers, I encountered a problem:

(set-logic LIA)
(declare-fun i0 () Int)
(assert (forall ((q22 Int)) (or (< q22 (abs i0)) (> q22 (abs i0)))))
(check-sat)

info:
(error "the exists/forall solver failed: unsupported term")

For the solution of quantifiers, correct processing will only be performed when the judgment logic is >. When = or < are encountered, the above error will be returned. Hope the question can be answered. Thanks!

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