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Author SHA1 Message Date
Nikolaj Bjorner 95a78b2450
updates to seq and bug fixes (#4056)
* 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>
2020-04-22 13:18:55 -07:00
Nikolaj Bjorner 64a0e62648 fix #3699
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-04-02 21:17:01 -07:00
Nikolaj Bjorner be3a9b227c fix #3699
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-04-02 20:35:15 -07:00
Nikolaj Bjorner 7452e55698 fix #3190 fix #3168
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-03-08 12:54:03 +01:00
Nikolaj Bjorner f9917edf6c fix #2879. relax benign restriction on eq propagation justification
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-01-23 14:00:14 -06:00
Nuno Lopes 5de6628a5d remove spurious copies and inc_refs around ref_vector 2018-06-28 10:31:38 +01:00
Bruce Mitchener 76eb7b9ede Use nullptr. 2018-02-12 14:05:55 +07:00
Nikolaj Bjorner f63439603d streamlining proof generation (initial step of removing ast-manager dependency). Detect error in model creation when declaring constant with non-zero arity. See #1223
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-10-23 21:16:46 -07:00
Nikolaj Bjorner b19f94ae5b make include paths uniformly use path relative to src. #534
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-07-31 13:24:11 -07:00
Christoph M. Wintersteiger 7d35fcb17e Avoid null pointer warnings in justifications. 2017-04-05 19:42:02 +01:00
Nikolaj Bjorner 5f39c4371c fix proof generation for unit resolution. Issue #691
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-07-20 11:54:39 -07:00
Nuno Lopes c577ab361b fix assorted undefined behaviors caught by clang
Signed-off-by: Nuno Lopes <nlopes@microsoft.com>
2015-05-23 11:45:12 +01:00
Leonardo de Moura add684d8e9 checkpoint
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-10-21 13:32:12 -07:00
Renamed from lib/smt_justification.cpp (Browse further)