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On MacOs, with a debug build, two regression tests fail:
2172 - regress1/lemmas/pursuit-safety-8.smtv1.smt2 (Failed)
3073 - regress1/sygus/node-discrete.sy (Failed)
Both failure…
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the following smtlib2 program generate the following output on z3 4.8.17:
INPUT:
```smt2
(set-logic HORN)
(declare-fun R ((_ BitVec 2) (_ BitVec 2)) Bool)
(define-fun S ((x (_ BitVec 2)) (y (_ …
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You can play with the space & retrieval models here: https://b3246e5ab28482f60e.gradio.live - Not all models & indices are cached yet so some first runs may be slow but once cached it should be blazin…
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**Describe the bug**
When I run `cvc5` on some `QF_BV` benchmarks from the Sage2 family, it crashes after a few second with the following error
```
Fatal failure within void cvc5::internal::NodeB…
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In file `smt2_solver.cpp` the hash function and the equality tests are not consistent.
It's possible for two terms to be equal (as defined by`Smt2Term::equals`) but hash to different values (i.e., …
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It appears z3 allows overloading of theory symbols in user-space:
```
(set-logic ALL)
(declare-datatype T ((a) (b)))
(define-fun
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```Haskell
Prelude Data.SBV> proveWith z3{verbose=True,validateModel=True} $ \x -> (x::SInteger) .== 1
** Calling: z3 -nw -in -smt2
[GOOD] ; Automatically generated by SBV. Do not edit.
[GOOD] (s…
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We currently use a nested array for storage in all smt queries. This is the most general model, but we can probably get some more performance by optimising this representation if the situation allows …
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This originally came up in a larger example where I was chasing down weird instability.
The issue: either of the two lines marked as "load bearing" below, if commented out, makes Verus do everythin…
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I was trying to generate smtlib for this file below:
[annVocalic_L0_R10fxp.zip](https://github.com/esbmc/esbmc/files/12217080/annVocalic_L0_R10fxp.zip)
The parameters are:
esbmc annVocalic_L0_R10f…