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I think there are some possibilities to add additional constraints that reduce the search space for Z3 a bit. We could list them here.
At the moment, I have exactly one idea:
- If ``A`` is a sub…
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Hi, when I use z3 to solve some instances of different theories, I noticed that sometimes z3 will return some unexpected _**unknown**_.
The result is returned _**unknown**_ when the time limit an…
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solverCheckAndGetModel segfaults on timeout. Might we worth only calling getModel when sat:
```haskell
Unsat -> return Nothing
_ -> Just solverGetModel ct…
deian updated
5 years ago
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Summarizing the discussion in the following thread (https://github.com/secure-foundations/verus/pull/43) :
This easy assertion fails
`assert_bit_vector( (b1 == b2) || (b1 == b3) >>= (b1 | b2 | b3…
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Experimenting on QF_NIA/20170427-VeryMax/CInteger/Stroeder_15__GulwaniJainKoskinen-PLDI2009-Fig1_true-termination.c__p23650_edge_closing_0.smt2.
The legacy solves it in seconds, the new one takes at …
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The timeout option is very important to make sure the solver don't take forever. It's unclear if they work as expected.
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Now on sub-ILA:AES_BLOCK
------------------------------------------------
Start checking sub-instruction: LOAD
Parsing file "wrapper.v"... DONE
Parsing file "rst.ets"... DONE
Solving "variable_ma…
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### Dafny version
4.6.0+da8b84f362bf482160ae2604e4ae6d3c62231dae
### Code to produce this issue
```dafny
See attached file, which is the result of "preprocessing" a file in my repo [1] with
dafn…
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Using [sympy.logic](https://docs.sympy.org/latest/modules/logic.html), I am trying to solve some first-order logic formulas that include universal quantifiers:
∀x(person(x) → mammal(x)) ∧ perso…
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On this program:
```C
#include
#include
#include
#define M 4
typedef struct {
uint8_t val[M];
} s;
size_t nondet_size_t();
int main() {
size_t n = nondet_size_t();
…