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Hi developers,
Facing a hug performance issue while dealing with string constraint solving using Z3.
For example:
For the constraint below(in SMT format):
```
(declare-fun str () String)
(…
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It turns out that Halmos is doing abstraction-refinement. Their system is 2-state: first run all bitvector operations in a abstract way, then strip away the abstraction if the returned counterexample …
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On the `qalpha` branch, z3 raises an error when running
`env RUST_LOG=info cargo run -- infer qalpha examples/fol/hybrid_reliable_broadcast_cisa.fly --quantifier "F node 1" --quantifier "E node 1" --…
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Hello everyone,
I have a question how to declare and call uninterpreted functions.
I found the function [uninterpreted_function(const std::string& name, const Variables& vars)](https://github.co…
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Hi guys, can I ask if anyone know when esbmc would fail the deference completely? There are quite a lot of warning `no body for function symex::invalid_object` without explicit function names in my l…
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Mailing list [thread](https://lore.kernel.org/bpf/CACkBjsZen6AA1jXqgmA=uoZZJt5bLu+7Hz3nx3BrvLAP=CqGuA@mail.gmail.com/T/#e6604e4092656b192cf617c98f9a00b16c67aad87) shows an example of a `BPF_JNE` range…
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Running Boogie repeatedly on the same input and with `-vcsCores:2 -prune` produces different output (for example, sometimes reporting 2 verification errors and other times reporting 4 verification err…
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Greetings,
For this instance, cvc5 gives `unsat`. However, we checked the instance is solved as `sat` in z3. The instance is as follows.
```
(set-logic QF_S)
(assert (str.prefixof "/signin" "/sign…
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- [x] I am on the [latest](https://github.com/python-poetry/poetry/releases/latest) Poetry version.
- [x] I have searched the [issues](https://github.com/python-poetry/poetry/issues) of this re…
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# Lines of code
https://github.com/code-423n4/2023-07-moonwell/blob/fced18035107a345c31c9a9497d0da09105df4df/src/core/Governance/TemporalGovernor.sol#L241-L259
https://github.com/code-423n4/2023-07-m…