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18867 commits 40 branches 51 tags 168 MiB
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Author SHA1 Message Date
Jakob Rath
d24c9352a4 fix assertion 2023-03-17 16:54:02 +01:00
Jakob Rath
89aaf4b1a6 resume conflict 2023-03-17 14:35:15 +01:00
Jakob Rath
cdd2dbcc41 combine different propagation functions 2023-03-17 13:25:22 +01:00
Jakob Rath
2000ab2cfc report_unsat: propagate after backjump to restore conflict dependencies 2023-03-17 13:07:07 +01:00
Jakob Rath
6c9cf6182c update comment 2023-03-16 16:55:40 +01:00
Jakob Rath
8493ebbaba nicer conditions 2023-03-16 16:51:18 +01:00
Jakob Rath
a6771eb567 bool watch: order by search index instead of decision level 2023-03-16 16:50:09 +01:00
Jakob Rath
9af86f2d68 debug output 2023-03-16 16:13:13 +01:00
Jakob Rath
ce04d9c73b Remove old bounds code for now 2023-03-16 13:23:37 +01:00
Nikolaj Bjorner
93360318b2 fixes to asserts 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-03-16 11:55:23 +01:00
Nikolaj Bjorner
1ba86c8ce3 fixup assertion 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-03-16 08:38:10 +01:00
Nikolaj Bjorner
622b8431b3 use v1, v2 instead of r1, r2 (roots) to get narrower equality conflicts 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-03-16 08:26:42 +01:00
Nikolaj Bjorner
c8e3ab75dc fix unsoundness bug related to tracking equality assumptions outside of polysat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-03-16 06:23:17 +01:00
Clemens Eisenhofer
eab31d5600 Moved logging to better place 2023-03-15 17:00:39 +01:00
Clemens Eisenhofer
135da9b824 Log also last conflict 2023-03-15 16:22:58 +01:00
Jakob Rath
03a6d74c58 fix eval justifications 2023-03-15 11:33:20 +01:00
Jakob Rath
5eb9fb2eb1 Check all bool/eval conflicts on the search stack before activate/narrow 2023-03-13 16:51:33 +01:00
Jakob Rath
47d6663c67 support other ops 2023-03-13 09:29:21 +01:00
Jakob Rath
3b7b7a6867 Fix parity lemma 2023-03-13 07:55:42 +01:00
Jakob Rath
69fbfc3616 fix 2023-03-13 07:37:17 +01:00
Jakob Rath
233baf170c support checking pseudo-inverses 2023-03-12 18:31:57 +01:00
Jakob Rath
07d1f86575 cleanup conflict::init and promote assertion 2023-03-12 16:28:54 +01:00
Jakob Rath
aef0c739a7 Lemma validity check 2023-03-12 16:26:05 +01:00
Jakob Rath
50876a4dae Add helper for printing polysat constraints 2023-03-12 16:15:25 +01:00
Jakob Rath
be72a37440 find_op_by_result_var 2023-03-12 16:14:12 +01:00
Jakob Rath
9a061d8f4a find_op 2023-03-12 15:59:44 +01:00
Jakob Rath
9f7c9dfb17 fix one try_parity rule 2023-03-12 15:56:42 +01:00
Jakob Rath
f7baba4091 min_parity at most N 2023-03-11 23:23:32 +01:00
Jakob Rath
d4428c6cef fix eval replay 2023-03-11 17:56:27 +01:00
Jakob Rath
3096ddaf33 disable old bounds prop as it is unsound 2023-03-11 11:22:24 +01:00
Jakob Rath
592b206097 fix lemma 2023-03-11 10:36:25 +01:00
Jakob Rath
f2ff1145bd add some lemma names 2023-03-11 10:36:02 +01:00
Jakob Rath
d075759659 mk_clause with name 2023-03-11 10:32:19 +01:00
Jakob Rath
47f3353af6 Add int/unsigned overloads in pairs to avoid implicit conversions 2023-03-11 09:56:22 +01:00
Jakob Rath
1541c70b2b Fix lemma_shl 2023-03-11 09:50:08 +01:00
Jakob Rath
ed03b5183e do evaluation according to pvar watchlists 2023-03-10 15:52:24 +01:00
Jakob Rath
de88fb3875 revert 2023-03-10 15:36:30 +01:00
Jakob Rath
40d5b96ffa Add assertion 2023-03-10 15:31:58 +01:00
Jakob Rath
c8c40f0154 Give higher priority to boolean propagation and bool/eval conflicts 2023-03-10 15:30:01 +01:00
Jakob Rath
538c4ee25f hack to avoid wrong propagation justifications due to fallback solver 2023-03-10 12:42:00 +01:00
Jakob Rath
ffb7b5f85d try_op bugfixes 2023-03-10 12:23:53 +01:00
Jakob Rath
dba8a4b73a guard against different bitwidth 2023-03-09 13:51:10 +01:00
Jakob Rath
9773ce60d6 Return variable to queue 2023-03-09 13:38:15 +01:00
Jakob Rath
686f1c6aaf UNREACHABLE was actually reachable 2023-03-09 13:35:07 +01:00
Clemens Eisenhofer
60a405d134 Frequent lsb special case 2023-03-07 18:07:39 +01:00
Clemens Eisenhofer
f059b5e16b Leftover debug return 2023-03-07 15:53:32 +01:00
Clemens Eisenhofer
6d0c3c0770 Merge branch 'polysat' of https://github.com/Z3Prover/z3 into polysat 2023-03-07 15:21:53 +01:00
Clemens Eisenhofer
5b35450891 Several changes: 
- Extend fixed-bit FI to both directions
- really randomized restart
- MSB for fixed-bits
- Forward propagation (band, lshift, rshift) with good justifications (strengthen during saturation)
 2023-03-07 15:21:14 +01:00
Jakob Rath
57d1506a0a remove debug output 2023-03-07 10:35:33 +01:00
Nikolaj Bjorner
b84f9694cd undo unnecessary change 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-03-06 21:39:46 -08:00