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38 commits

Author SHA1 Message Date
Nikolaj Bjorner
a1f7676c81 remove assertion - literals could be assigned but propagation incomplete
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2022-01-21 03:10:41 +01:00
Nikolaj Bjorner
17280846f8 added comments to explain #5781 2022-01-21 01:40:31 +01:00
Nikolaj Bjorner
e8f5a29c31 fix #5679
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2021-11-22 19:37:10 +01:00
Nikolaj Bjorner
dd1e0fc561 #5643 2021-11-03 08:53:48 -07:00
Nikolaj Bjorner
52032b9ef8 #5467 2021-10-12 10:16:15 -07:00
Nikolaj Bjorner
4d75281841 fix #5315
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2021-05-30 10:38:04 -07:00
Nikolaj Bjorner
4a6083836a call it data instead of c_ptr for approaching C++11 std::vector convention. 2021-04-13 18:17:35 -07:00
Nikolaj Bjorner
6d28b1a858 fix #5134 2021-03-29 14:11:49 -07:00
Nikolaj Bjorner
f29a596070 deal with compiler warnings, from MacOS CI build 2021-03-08 17:14:09 -08:00
Nikolaj Bjorner
7eceeff349 move branch of unit variable 2021-03-08 10:09:04 -08:00
Nikolaj Bjorner
7edc99f807 na 2021-03-06 12:36:19 -08:00
Nikolaj Bjorner
38737db802 fixes and more porting seq_eq_solver to self-contained module 2021-03-04 16:23:22 -08:00
Nikolaj Bjorner
e398959732 move eq solver functionality to common place, fixes to goal2sat 2021-03-04 07:57:31 -08:00
Nikolaj Bjorner
0ce1c34d81 fix #5065 - regression solving str.from_int equations now that it isn't injective any longer
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2021-03-02 12:59:48 -08:00
Nikolaj Bjorner
026065ff71 streamline pb solver interface and naming after removal of xor 2021-02-28 12:32:04 -08:00
Nikolaj Bjorner
64ba0b631a fixes to seq solver 2021-02-25 10:35:14 -08:00
Nikolaj Bjorner
377d060036 move to separate axiom management
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2021-02-23 18:09:45 -08:00
Nikolaj Bjorner
823830181b butterfly effect with relevancy marking
bail out of infinite instantiation loop
2021-02-15 16:37:23 -08:00
Nikolaj Bjorner
a152bb1e80 remove template Context dependency in every trail object 2021-02-08 15:41:57 -08:00
Nikolaj Bjorner
8f577d3943 remove ast_manager get_sort method entirely 2021-02-02 13:57:01 -08:00
Nikolaj Bjorner
3ae4c6e9de refactor get_sort 2021-02-02 04:45:54 -08:00
Nikolaj Bjorner
b402268d35 fix #4982
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2021-01-29 06:43:33 -08:00
Nikolaj Bjorner
64ba44d2ac fix underflow bug when subtracting unsigned numbers 2021-01-21 21:01:02 -08:00
Nikolaj Bjorner
3f862cb2ee
better behavior on disequality and branch selection (#4605)
* better behavior on disequality and branch selection

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

* fix loop

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-07-31 01:14:11 -07:00
Nikolaj Bjorner
aab50ff3f5 fixing bugs reported in #4518
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-07-21 15:50:19 -07:00
trinhmt
48a2d3d5b6
fix #4481 (#4484) 2020-06-01 09:02:50 -07:00
Nikolaj Bjorner
7f7663a3b4 fix #4478
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-05-31 11:16:21 -07:00
Nikolaj Bjorner
6d17c656bd merge
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-05-28 10:32:38 -07:00
trinhmt
4aa1e60daa
fix branch_variable() (#4472)
* fixed branch_variable()

* add docs
2020-05-28 10:21:50 -07:00
Nikolaj Bjorner
becf423c77
remove level of indirection for context and ast_manager in smt_theory (#4253)
* remove level of indirection for context and ast_manager in smt_theory

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

* add request by #4252

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

* move to def

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

* int

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-05-08 16:46:03 -07:00
Nikolaj Bjorner
c3b33aae8a fix #4090 fix #4088 fix #4085
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-04-24 10:37:43 -07:00
Nikolaj Bjorner
eb2d7d3e81 fix #4079
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-04-23 22:35:33 -07:00
trinhmt
08290230db
add docs (#4072) 2020-04-23 10:04:10 -07:00
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
dd064a5554 delay digit axioms until solving itos succeeds
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-04-20 00:32:48 -07:00
Nikolaj Bjorner
ad8eb8fdcb #4024
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-04-19 22:44:02 -07:00
Nikolaj Bjorner
eded7d023d fix #4006
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-04-19 16:00:03 -07:00
Nikolaj Bjorner
a9c4984a16 more seq overhaul
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-04-18 19:46:30 -07:00