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[TorXakis](https://github.com/TorXakis/TorXakis) uses a problem solver to generate test cases.
The performance of TorXakis depends strongly on the performance of the problem solver.
TorXakis support…
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Hello,
I'm used **cvc4 v1.7** (besides, behavior is reproduced on the older versions of **cvc4**) with the options: ` -L smt2.5 --output-lang smt2.5 --produce-models --strings-exp --tlimit-per 1000…
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The attached smt2 file shows a proof regression from cvc4 to cvc5. The proof arises from a simple integer inequality for proof of an assertion in a SPARK/Ada program.
I am using CVC4 1.8 and CVC5 1…
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When using this feature unavailable of CVC4/5, an error message is displayed even though the VC is verified by another available solver. This could be a message displayed only in `debug` level of logs…
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```
ghc examples/ex1.hs SimpleSMT.hs
...
examples/ex1.hs:5:11: error:
• Couldn't match expected type: IO Logger
with actual type: Int -> IO Logger
• Probable cause: ‘n…
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```
(set-logic ALL)
(declare-datatypes ((Either 0))
(((Left (lval Int)) (Right (rval Int)))))
(declare-fun e () Either)
;(assert (or (exists ((x Int)) (= e (Left x))) (exists ((x Int)) (= e …
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Hi,
the trace below shows a potential performance issue in CVC4
```
[648] % time cvc4 test1.smt2
sat
real 0m0.029s
user 0m0.023s
sys 0m0.000s
[649] %
[649] % cvc4 --tlimit=10000 tes…
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How does the option `-wp-gen` work in Frama-C 20?
Specifically, I would like to obtain the proof obligations for `cvc4` (or the other supported provers) of the example `find.c` below.
I tried
```
…
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With the latest cvc4 version on windows
```
This is CVC4 version 1.8-prerelease
compiled with GCC version 5.3.1 20160211
on Jan 30 2020 12:07:03
```
one gets when using the attached file
[cvc4U…
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need a systematic way of monitoring performance across different versions and different options
Reference
- http://geoff.greer.fm/ag/speed
- https://gist.github.com/soonhokong/b68780deb18e9569848c
- …