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13800 commits 45 branches 52 tags 177 MiB
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11622 commits

Author SHA1 Message Date
trinhmt
08290230db
add docs (#4072) 2020-04-23 10:04:10 -07:00
Nikolaj Bjorner
8fe3caa101 throttle digit constraints 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-22 17:55:18 -07:00
Nikolaj Bjorner
c7878e384c fix #4060 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-22 17:46:16 -07:00
Nikolaj Bjorner
886f4cbee0 fix #4029 - propagate digit literals on all units if they haven't already been propagated 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-22 14:57:43 -07:00
Nikolaj Bjorner
f94abf6512 fix #3978 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-22 13:55:10 -07:00
Nikolaj Bjorner
caa5b09046 fix #4050 - have to delay model compression because it may use internal symbols that have to be transformed. model compression is used prior to displaying certificate 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-22 13:33:36 -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
Nuno Lopes
5ec04f7fd2 forgot to remove unneeded class field 2020-04-22 15:30:16 +01:00
Nuno Lopes
220bc7fcd9 fix #4048: incorrect bvurem rewrite when divisor=0 
also, always enable this rewrite, since it shrinks formula size globally
 2020-04-22 15:26:30 +01:00
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
e3e6959b70 fix #4026 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-19 23:30:37 -07:00
Nikolaj Bjorner
c8b9eba069 fix #4028 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-19 23:10:00 -07:00
Nikolaj Bjorner
ad8eb8fdcb #4024 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-19 22:44:02 -07:00
Nikolaj Bjorner
e1fa04b365 disable breaking change to model generation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-19 16:53:20 -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
f76c6424f2 another memory managment leak fix. Relates to different leak exposed by #3997 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-19 12:58:42 -07:00
Nikolaj Bjorner
44957894ea more checks for #4013 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-19 12:43:06 -07:00
Nikolaj Bjorner
fcc34a07b2 fix #4019 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-19 12:36:34 -07:00
Nikolaj Bjorner
339a2568b2 fix #4021 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-19 12:18:18 -07:00
Nikolaj Bjorner
79b776fee5 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-19 12:00:38 -07:00
Nikolaj Bjorner
19e0285b83 move deep internalization out of theory_seq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-19 11:19:32 -07:00
Nikolaj Bjorner
b92b6c0fc6 add missing digit axioms 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-19 11:12:37 -07:00
Nikolaj Bjorner
99c90d2419 fix crash 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-18 19:46:30 -07:00
Nikolaj Bjorner
0fe2d3d8b7 more seq overhaul 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-18 19:46:30 -07:00
Nikolaj Bjorner
a9c4984a16 more seq overhaul 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-18 19:46:30 -07:00
Nikolaj Bjorner
76735476d4 fix #3999 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-18 19:46:30 -07:00
Nikolaj Bjorner
bcbe802b27 remove buggy bv-trailing 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-18 19:45:26 -07:00
Nikolaj Bjorner
3e9479d01a a lot of seq churn 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-17 18:21:40 -07:00
Nikolaj Bjorner
b8bf6087ff na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-17 07:34:46 -07:00
Nikolaj Bjorner
a83f72b657 some fixes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-17 07:33:43 -07:00
Nikolaj Bjorner
501aa7927d split into seq_axioms and seq_skolem 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-17 06:14:52 -07:00
Nikolaj Bjorner
d5eef9dd8b na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-16 18:53:00 -07:00
Nikolaj Bjorner
040d4b8d24 fix #3994 remove bogus option 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-16 18:51:52 -07:00
Nikolaj Bjorner
767dff4a5a fix #3903 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-16 17:55:23 -07:00
Nikolaj Bjorner
19f655c693 fix #3930 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-16 16:11:00 -07:00
Nikolaj Bjorner
dd3e574f81 fix #3983 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-16 14:03:06 -07:00
Lev Nachmanson
1f23ae8aae fix the test build 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-16 12:58:39 -07:00
Lev Nachmanson
95cb828324 make lar_solver pretty printer const on the solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-16 12:58:39 -07:00
Lev Nachmanson
5208b64a6b expose only necessary methods of lar_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-16 12:58:39 -07:00
Lev Nachmanson
6d8e5400fd return an empty model when the status of the solver is neither FEASIBLE nor OPTIMAL 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-16 12:58:39 -07:00
Nikolaj Bjorner
cb4ceeab3a fix #3985 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-16 12:04:46 -07:00
Nikolaj Bjorner
206c3e2c38 fix #3979 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-16 10:54:19 -07:00
Nikolaj Bjorner
dde0c514fa warnings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-15 17:14:25 -07:00
Nikolaj Bjorner
f67077b7ff warnings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-15 17:13:02 -07:00
Nikolaj Bjorner
d465938496 add lower bounds on lengths if they are not present 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-15 15:54:40 -07:00
Nikolaj Bjorner
e6174c89f3 bail out of mb branching if lengths are not available 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-15 15:44:17 -07:00
Nikolaj Bjorner
40b4ca7f86 fix #3950 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-15 15:07:53 -07:00
Nikolaj Bjorner
357ec2fd01 fix #3948 - cache has to be reset also when processing 'and' because it could be processed in an incompatible context by the caller 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-15 13:29:45 -07:00
Nikolaj Bjorner
2e1e9c9082 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-15 12:25:07 -07:00
Nikolaj Bjorner
3845e0859c fix #3878 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-15 12:23:18 -07:00