mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-08-17 08:42:15 +00:00
Code Activity

updates to seq and bug fixes (#4056)

Browse source 
* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* fix #4037

* nicer output for skolem functions

* more overhaul of seq, some bug fixes

* na

* added offset_eq file

* na

* fix #4044

* fix #4040

* fix #4045

* updated ignore

* new rewrites for indexof based on #4036

* add shortcuts

* updated ne solver for seq, fix #4025

* use pair vectors for equalities that are reduced by seq_rewriter

* use erase_and_swap

* remove unit-walk

* na

* add check for #3200

* nits

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* name a type

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* remove fp check

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* remove unsound axiom instantiation for non-contains

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* fix rewrites

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* fix #4053

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* fix #4052

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-22 13:18:55 -07:00 • committed by GitHub
parent 53c14bd554
commit 95a78b2450
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
39 changed files with 1516 additions and 1654 deletions
Download patch file Download diff file Expand all files Collapse all files

5
src/smt/seq_skolem.h
View file

@ -92,6 +92,11 @@ namespace smt {
bool is_step(expr* e) const { return is_skolem(m_aut_step, e); }
bool is_step(expr* e, expr*& s, expr*& idx, expr*& re, expr*& i, expr*& j, expr*& t) const;
bool is_accept(expr* acc) const { return is_skolem(m_accept, acc); }
bool is_accept(expr* a, expr*& s, expr*& i, expr*& r, expr*& n) const {
return is_accept(a) && (s = to_app(a)->get_arg(0), i = to_app(a)->get_arg(1),
r = to_app(a)->get_arg(2), n = to_app(a)->get_arg(3),
true);
}
bool is_post(expr* e, expr*& s, expr*& start);
bool is_pre(expr* e, expr*& s, expr*& i);
bool is_eq(expr* e, expr*& a, expr*& b) const;