z3-src 503.2.2

Source distribution of the Z3 SMT solver, for use as a build dependency
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46


/*++
Copyright (c) 2022 Microsoft Corporation

Module Name:

    fold_unfold_tactic.h

Abstract:

    Tactic for solving variables

Author:

    Nikolaj Bjorner (nbjorner) 2026-4-30

Tactic Documentation:

## Tactic fold-unfold

### Short Description

Solve for variables using fold-unfold transformations.

### Notes

* supports unsat cores
* does not support fine-grained proofs
* alternative to solve-eqs

--*/

#pragma once
#include "util/params.h"
#include "tactic/tactic.h"
#include "tactic/dependent_expr_state_tactic.h"
#include "ast/simplifiers/fold_unfold.h"
#include "ast/simplifiers/dependent_expr_state.h"

inline tactic *mk_fold_unfold_tactic(ast_manager &m, params_ref const &p = params_ref()) {
    return alloc(dependent_expr_state_tactic, m, p,
                 [](auto &m, auto &p, auto &s) -> dependent_expr_simplifier * { return alloc(euf::fold_unfold, m, s); });
}

Z3_ADD_TACTIC(fold_unfold, "fold-unfold", "solve for variables.", mk_fold_unfold_tactic(m, p));
Z3_ADD_SIMPLIFIER(fold_unfold, "fold-unfold", "solve for variables.", alloc(euf::fold_unfold, m, s));