test: add regression test

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Simon Cruanes 2020-02-17 12:30:58 -06:00
parent bb449257d8
commit 4e1b35d2c3

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(set-info :smt-lib-version 2.6)
(set-logic QF_DT)
(set-info :source |
Generated by: Andrew Reynolds
Generated on: 2017-04-28
Generator: Random, converted to v2.6 by CVC4
Application: Regressions for datatypes decision procedure.
Target solver: CVC3
Publications: "An Abstract Decision Procedure for Satisfiability in the Theory of Inductive Data Types" by Clark Barrett, Igor Shikanian, and Cesare Tinelli, Journal on Satisfiability, Boolean Modeling and Computation 2007.
|)
(set-info :license "https://creativecommons.org/licenses/by/4.0/")
(set-info :category "random")
(set-info :status sat)
(declare-datatypes ((nat 0)(list 0)(tree 0)) (((succ (pred nat)) (zero))
((cons (car tree) (cdr list)) (null))
((node (children list)) (leaf (data nat)))
))
(declare-fun x1 () nat)
(declare-fun x2 () list)
(declare-fun x3 () tree)
(assert (and (and (and (and (and (not (= (cdr x2) null)) (= (children (leaf zero)) (children x3))) (not ((_ is zero) (succ x1)))) ((_ is zero) zero)) ((_ is zero) (pred (succ (data (car null)))))) (= (leaf (succ (data (car (cdr (cdr (cdr (cdr (cdr (cdr x2)))))))))) (car (cdr null)))))
(check-sat)
(exit)