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17955 commits 25 branches 48 tags 158 MiB
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82 commits

Author SHA1 Message Date
Jakob Rath
a81e05e660 We shouldn't assume that v is assigned 
Happens if it is a viable conflict for v
 2022-12-08 16:19:11 +01:00
Nikolaj Bjorner
acbd60799d add placeholder for factor equality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-07 20:12:19 -08:00
Nikolaj Bjorner
437f826e8b sketch parity generalization 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-07 20:04:58 -08:00
Jakob Rath
55d691e16e enable 2022-12-07 18:45:00 +01:00
Jakob Rath
45e94ae7dd insert_eval 2022-12-07 18:41:42 +01:00
Jakob Rath
05a1f4d096 Skip try_parity for x==y and y==x 2022-12-07 16:09:10 +01:00
Jakob Rath
85715eb164 Update use of insert_eval and lemma scores to support propagation 2022-12-07 16:08:24 +01:00
Nikolaj Bjorner
754cb540d0 disable new code paths for commit 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-07 02:23:43 -08:00
Nikolaj Bjorner
fdba85e39f trigger also parity constraints in linear case 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-06 05:18:50 -08:00
Nikolaj Bjorner
317edb2b03 add parity propagation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-05 10:22:18 -08:00
Nikolaj Bjorner
f2c228f160 update function that propagates bounds on x*y = 0 to be more comprehensive 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-05 01:19:26 -08:00
Nikolaj Bjorner
1d440ac871 try adding unit propagation / distinguish these in saturation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-04 14:22:34 -08:00
Nikolaj Bjorner
066b7d2d71 add review comments based on debugging 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-04 03:49:17 -08:00
Nikolaj Bjorner
db18c7206a debugging 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-03 17:09:36 -08:00
Nikolaj Bjorner
0a5b03194c retire omega and use overflow detection including literals 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-03 16:54:07 -08:00
Nikolaj Bjorner
5b8dcfb801 wip - adding saturation/propagations 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-03 15:38:01 -08:00
Nikolaj Bjorner
0288704a59 add TODO marker in saturation for overflow rule 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-03 09:07:24 -08:00
Nikolaj Bjorner
0657cdd4a7 add TODO marker in saturation for overflow rule 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-03 08:38:26 -08:00
Nikolaj Bjorner
c848192962 add TODO marker in saturation for overflow rule 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-12-03 08:29:13 -08:00
Jakob Rath
630276dbad Re-enable saturation 2022-11-29 10:00:25 +01:00
Jakob Rath
4aa04fa475 Lemma names 2022-11-28 19:13:38 +01:00
Jakob Rath
3d79cddf33 Update saturation inferences 2022-11-28 18:02:18 +01:00
Jakob Rath
01af25ca02 Remove backjump state from conflict 2022-11-14 14:33:19 +01:00
Jakob Rath
dcd6c01a90 revive polynomial superposition (wip) 2022-10-07 10:34:07 +02:00
Jakob Rath
9b907d709f minor 2022-09-29 18:25:28 +02:00
Jakob Rath
0f993e3977 New constraints need to be eval'd 2022-09-27 17:56:26 +02:00
Jakob Rath
1020f38e1a reconnect saturation 2022-09-21 16:47:16 +02:00
Jakob Rath
6abe0c9be8 set, lemma, minor 2022-09-21 16:29:36 +02:00
Jakob Rath
d4592f2abf umul 2022-07-21 11:57:27 +02:00
Jakob Rath
d473c23e5b bailout for saturation lemmas 2022-07-01 11:51:52 +02:00
Jakob Rath
c78007fd1a Use mul_ovfl constraint directly instead of approximating it with bounds 2022-06-29 14:28:59 +02:00
Jakob Rath
69a28a7740 fix check against looping 2022-06-29 14:27:11 +02:00
Jakob Rath
9fa5096776 conflict logging 2022-04-12 16:06:20 +02:00
Nikolaj Bjorner
c48f14e537 updated conflict state 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-02-01 11:47:33 -08:00
Nikolaj Bjorner
b488a1fadd WIP revamp conflict state 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2022-01-29 16:17:58 -08:00
Nikolaj Bjorner
eb9bfbb3d8 add resolved attribute 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-12-20 17:39:12 -08:00
Nikolaj Bjorner
e50c612068 avoid try_y_l_ax when a is unit 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-12-19 15:37:27 -08:00
Nikolaj Bjorner
ed9c0b84f6 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-12-09 08:25:24 -08:00
Nikolaj Bjorner
8db711bc3c retire deprecated functionality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-11-22 18:14:15 +01:00
Nikolaj Bjorner
d86570ce75 prepare for new viable 2021-11-21 06:18:35 +01:00
Nikolaj Bjorner
de424713e4 if you are really reading this commit message, you must be a programmer who has no life. 2021-11-18 10:10:50 -08:00
Nikolaj Bjorner
931e1624b2 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-11-10 02:58:35 -08:00
Nikolaj Bjorner
d0c8240560 refactor forbidden intervals 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-11-09 10:34:11 -08:00
Nikolaj Bjorner
57c40e480b na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-11-08 05:08:57 -08:00
Nikolaj Bjorner
e1bc9cc0bb updates 2021-11-05 12:16:35 -07:00
Nikolaj Bjorner
48e663776b build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-11-02 15:40:45 -07:00
Nikolaj Bjorner
3f3bd5948f fixes/debugging 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-11-02 14:48:19 -07:00
Nikolaj Bjorner
a50cecaefa wip 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-10-05 16:06:31 -07:00
Nikolaj Bjorner
813674087e wip 2021-10-04 14:43:33 -07:00
Nikolaj Bjorner
a574eebd05 fixes, tests 2021-09-25 08:38:48 -07:00