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Hi, for the following formula,
CVC4 b5eb623ea33e
~~~~
(set-logic QF_S)
(declare-fun _substvar_18_ () String)
(set-option :strings-lazy-pp false)
(declare-fun str2 () String)
(declare-fun str3 (…
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Hi, here is a refutation soundness bug that is only on the debug build:
```
[619] % z3release small.smt2
sat
[620] % cvc4 -q small.smt2
sat
[621] % z3debug small.smt2
unsat
[622] %
[622] % c…
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```
[766] % cvc4 -q small.smt2
sat
[767] % cvc4 -q --ext-rewrite-quant small.smt2
unsat
[768] % cat small.smt2
(define-fun f ((a Int) (b Int)) Int (ite (= b 0) 0 a))
(assert (exists ((c Int)) (…
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Hi,
For this formula:
~~~~
(set-logic QF_UFNRA)
(set-option :bv-abstraction true)
(declare-const v0 Bool)
(declare-const r0 Real)
(declare-const r2 Real)
(declare-sort S0 0)
(assert v0)
(dec…
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Hi, for the following formula,
CVC4 b8bb85a
~~~~
(declare-fun t () (_ BitVec 4))
(declare-fun s () (_ BitVec 4))
(assert (bvult #b0010 t))
(assert (forall ((x (_ BitVec 4))) (bvuge (bvsmod (_ bv…
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```
[595] % z3release small.smt2
unsat
[596] % z3-4.8.7 model_evaluator.array_equalities=false rewriter.arith_ineq_lhs=true rewriter.flat=false small.smt2
unsat
[597] % z3-4.8.8 model_evaluator.a…
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Hi,
For this formula,
```
(assert (exists ((a (_ BitVec 32)))
(forall ((b (_ BitVec 32)))
(exists ((c (_ BitVec 32)))
(forall ((d (_ BitVec 32)))
(or (and (= b c) (= c #x000…
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Hi,
For the following formula:
~~~~
(set-logic QF_ABV)
(set-option :bv-eq-solver false)
(declare-const bv_28-0 (_ BitVec 28))
(declare-const arr1 (Array (_ BitVec 40) Bool))
(assert (select arr…
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Hi, for the following formula,
~~~~
(set-option :model_validate true)
(set-option :unsat_core true)
(set-option :rewriter.elim_and true)
(set-option :rewriter.local_ctx true)
(set-option :smt.ph…
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Hi, for the following formula,
cvc4 cc6e04b45
~~~~
(declare-datatypes ((Enum1 0)) (((None) (cons (data Bool)))))
(assert (forall ((var_1 Enum1)) (data var_1)))
(check-sat)
~~~~
~~~~
./cvc4 -i …