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Code Activity
18843 commits 23 branches 48 tags 157 MiB
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Author SHA1 Message Date
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
Nikolaj Bjorner
5c7506306b missing 2023-03-06 17:35:49 -08:00
Nikolaj Bjorner
6c00d40513 polysat fixes 
1. ensure that force_push is invoked before polysat updates state.
2. extract conflicts based on dependencies of both new literal that was conflicting with existing literal that had its value assigned based on dependencies.
 2023-03-06 17:35:39 -08:00
Jakob Rath
be0d0d5b9b Use checked division 2023-03-06 21:39:43 +01:00
Jakob Rath
5a8c0ce9c0 use N for consistency 2023-03-06 15:57:49 +01:00
Jakob Rath
be0c7aeb09 update/fix constraint simplifications 2023-03-06 15:52:39 +01:00
Jakob Rath
ac66622b05 Fix redundant lemma in umul_ovfl::narrow_bound 2023-03-06 12:59:35 +01:00
Clemens Eisenhofer
ac5682409e Commit missing change 2023-03-06 10:15:11 +01:00
Clemens Eisenhofer
e343a3ecd3 Parity bug fix 
Moved div_monotonicity to extra lemma
 2023-03-06 10:12:32 +01:00
Jakob Rath
d80f9f83dc cleanup 2023-03-05 22:54:09 +01:00
Jakob Rath
f6213bdaa6 return on conflict (missing from earlier commit) 2023-03-05 22:50:00 +01:00
Jakob Rath
4f96249570 Repropagate the conflict clause 2023-03-05 18:13:45 +01:00
Jakob Rath
666c937b06 Remove unsound bvshl lemma 2023-03-05 15:38:07 +01:00
Jakob Rath
9ed6bc66ce Merge remote-tracking branch 'origin/polysat' into polysat 2023-03-05 13:13:56 +01:00
Jakob Rath
01d0df0a4f remove debug output 2023-03-05 13:09:51 +01:00
Jakob Rath
1ef01c5042 Add vector::erase_if 
(ended up unused but I didn't want to throw it away)
 2023-03-05 13:02:51 +01:00
Jakob Rath
e0db58c998 viable: detect eval/bool conflicts with side conditions 2023-03-05 13:02:51 +01:00
Jakob Rath
5067707a9c fix eval_invariant 2023-03-05 12:42:02 +01:00
Jakob Rath
0433f81f78 Update eval_invariant 2023-03-05 07:55:06 +01:00
Jakob Rath
2285ed90fb move comment 2023-03-05 07:45:56 +01:00
Jakob Rath
3116b2c8d5 Clean up replay 2023-03-05 07:44:18 +01:00
Jakob Rath
1b17fe79f8 Replay is needed for evaluated literals 2023-03-05 07:41:33 +01:00
Nikolaj Bjorner
827374952b fix test for non-val node 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-03-04 10:47:05 -08:00
Jakob Rath
235c465ae2 extract_bilinear_form: handle case where top variable is different on LHS and RHS 2023-03-04 17:19:58 +01:00
Nikolaj Bjorner
d5271df888 fix assert 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-03-02 09:01:55 -08:00