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Spurious error, solution unsoundness, or invalid model:
```
[539] % z3release model_validate=true small.smt2
sat
(error "line 2 column 163: invalid extract application")
sat
(error "line 3 colum…
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Hi there!
I'm currently trying out the timeout option (-t) for a SMT2 project.
I'm sending in a bunch of assertions, with a call to (check-sat), and then to (get-model).
As expected, I get the …
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Hi, I wonder what should be the semantics of`(to_real 0.5)`. Should it be rejected as `to_real` expects an integer, viewed as `(to_real (to_int 0.5))`, or treated like identity? Thanks.
```
[60…
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[2319.txt](https://github.com/Z3Prover/z3/files/4613588/2319.txt)
z3 (commit a14c2a3) throws a heap-use-after-free
~~~~
sat
================================================================…
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`$divfloor` isn't supported by write_smt2, apparently it was forgotten though `$modfloor` does work.
## Steps to reproduce the issue
Compile commit 0b1a1a576 (git master when issue was created)
…
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I tried installing Avenir on a freshly installed Ubuntu 18.04 Desktop Linux system, with no software installed on it other than what comes with the base system, plus very very few packages installed s…
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Executing `silicon --help` fails with an exception. Also:
* The formatting of the description of some options is broken (`--proverSaturationTimeoutWeights`, `--stateConsolidationMode`, `--z3Saturatio…
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I have been trying for some time to eliminate all Z3 logging output from my C++ program. The undesired output looks like the following:
```
binary 199@15
167
binary -100@15
antecedent -100 is abo…
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-x + y > 0 and x - y > 0 are treated the same in Sage.
```python
sage: version()
'Sage Version 4.6.2, Release Date: 2011-02-25'
sage: (-x +y < 0) in [x -y < 0]
True
Set([-x +y >= 0,x -y >= 0…
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When setting up the query file tests I was using CVC4 and Z3 as oracles to check what the answer to the queries in the test suite should be. There are several queries that are in the CVC and smt forma…