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It would be *very* useful if one could use Z3 or another SMT solver to automatically dismiss proof obligations for obvious statements. There is already such an integration with Agda: Schmitty (https:/…
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| | |
| --- | --- |
| Bugzilla Link | [40145](https://llvm.org/bz40145) |
| Version | trunk |
| OS | All |
| CC | @devincoughlin,@edwintorok |
## Extended Description
I'll dup false positives and …
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Hi,
For this formula:
```
(declare-fun x () String)
(declare-fun y () String)
(assert (distinct (str.replace (str.replace x y x) x y) x))
(check-sat)
(get-model)
```
Z3 smt.string_solver=z3str3 gives…
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This is not an issue, but rather a comment on https://galois.com/blog/2023/03/making-a-scalable-smt-based-machine-code-memory-model/
(I'd have put a comment on the blog, but that doesn't seem possi…
-
Hi,
for the following formula z3 incorrectly reports `sat` instead of `unsat`.
```
$ cat test.smt2
(declare-fun s () String)
(declare-fun r () String)
(assert
(and
(=
"\u{2…
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Stevia requires support for SMTLib2 parsing to make it work with SMTLib2 inputs.
## Implementation Status
- Raw Lexer: **done**
- Simple Lexer: **done**
- Parser: **in progress**
- SMTLib Sol…
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Z3 version 4.8.8.0
Python version 3.8.2
```
$ pip3 show z3-solver
Name: z3-solver
Version: 4.8.8.0
Summary: an efficient SMT solver library
Home-page: https://github.com/Z3Prover/z3
Author: …
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When Prepack comes across conditional control-flow during its interpretation of the initialization code, e.g.
if (require("NativeModules").UIManager.screen.width > 1000) { ... } else { ... }
then …
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Hi,
For following formula, z3str3 9d9414c1110bc65108202cdcc473c703d12b54f1 returns unsat but z3 returns sat.
I confirm this formula is satisfiable and z3 is correct.
I seems this bug is caused by z…
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We find some performance regression problems when using the instruction "z3 smt.string_solver=z3str3". The older version(say, z3-4.6.0) runs so fast, but the latest version is slow.
**case1:**
```
…
ConfZ updated
2 years ago