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This case breaks cvc4 but it takes 2+ hours to verify:
```
#include
unsigned int nondet_uint();
#define MAX_INTEGER 2147483647;
#define GET_MATRIX_SIZE(arr) ((int)(sizeof(arr) / sizeof(arr)[…
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**Imported from Bugzilla**
Reporter: *Morgan Deters*
Status: *NEW*
Severity: *normal*
Assigned to: *Clark Barrett*
Component: *{Internals} Incrementality*
Milestone: *1.6*
Version: *master*
Platform: …
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Eldarica says `unsat` for the following example, whereas both z3 and cvc4 say `sat`, so I'm just wondering how Eldarica handles it.
```
(declare-const c Int)
(assert
(and
(= c (div 5 0))
(no…
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Hi,
For this formula:
[ite_utilities1280.txt](https://github.com/CVC4/CVC4/files/4304379/ite_utilities1280.txt)
CVC4 incremenal mode throws out a fatal failure:
~~~~
Fatal failure within bool…
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[benchmarks.zip](https://github.com/CVC4/CVC4/files/6325239/benchmarks.zip)
[Statistics.csv](https://github.com/CVC4/CVC4/files/6325242/Statistics.csv)
Hi. These days, I collected the benchmarks w…
ConfZ updated
2 years ago
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Hi,
For this formula, cvc4-1.7 can report sat while cvc4-1.8 and nightly build report unknown:
```
[563] % cvc4-1.7 -q small.smt2
sat
[564] % cvc4-1.8 -q small.smt2
unknown
[565] % cvc4 -q smal…
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Hi, CVC4 commit 3075a8e throws errors on a formula from z3 regression tests
~~~~
$ ./cvc4 -q f.smt2
/CVC4/deps/install/include/symfpu/core/unpackedFloat.h:175:38: runtime error: shift exponent 5…
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Hi, the [input.zip](https://github.com/cvc5/cvc5/files/6620683/input.zip) consists of three simple assertions with no quantifiers (theory of sets and uf).
CVC4 produces `unknown` even with the follow…
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Hi, for the following formula
~~~~
(set-logic QF_BV)
(declare-fun _substvar_199_ () (_ BitVec 427))
(declare-fun _substvar_238_ () (_ BitVec 427))
(check-sat)
(assert (= (_ bv0 427) (_ bv0 427) …
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CVC4 released a new version: https://github.com/CVC4/CVC4/releases/tag/1.8
Unfortunately, it is incompatible with TorXakis: e.g. str.in_re iso str.in.re!
How do we want to handle this difference…