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Code Activity
19467 commits 23 branches 48 tags 157 MiB
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Author SHA1 Message Date
Lev Nachmanson
5f03c93270 rm lu 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-03-08 10:27:05 -08:00
Lev Nachmanson
9a7c99da33 rm lu 2023-03-08 10:27:05 -08:00
Lev Nachmanson
c251151d66 rm_lu 2023-03-08 10:27:05 -08:00
Lev Nachmanson
25f103db1a rm_lp 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-03-08 10:27:05 -08:00
Lev Nachmanson
527f0d1242 rm lu 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-03-08 10:27:05 -08:00
Lev Nachmanson
a38be43264 rm lu 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-03-08 10:27:05 -08:00
Lev Nachmanson
97c1ba4641 rm get_column_in_lu_mode 2023-03-08 10:27:05 -08:00
Lev Nachmanson
ea16f6608c before rm lu 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-03-08 10:27:05 -08:00
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
Hari Govind V K
f7c9c9ef72
fix unsound slice criteria (#6625) 
* rename for readability

* bug fix #6617. Don't slice op args that are values
 2023-03-06 19:28:22 -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
Nikolaj Bjorner
42076a3c13 bug fixes to new core, elim_predicates and elim_unconstrained 2023-03-05 22:26:37 -08:00
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
Nuno Lopes
b9a87e493b minor code simplifications 2023-03-05 19:08:41 +00:00
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
Lev Nachmanson
92fe8c5968 restore the previous state 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-03-03 18:30:17 -08:00
Lev Nachmanson
ff1dc0424c rm lp_solver 2023-03-03 16:32:49 -08:00
Lev Nachmanson
5e4bca3d26 small removals 2023-03-03 15:58:25 -08:00
Lev Nachmanson
2dd30fa350 rm lp_primal_simplex 2023-03-03 15:44:50 -08:00
Lev Nachmanson
8989e10e71 rm lp_dual_simplex 2023-03-03 15:41:30 -08:00
Lev Nachmanson
d2e8297d41 remove includes of lp_dual_simplex 2023-03-03 15:38:47 -08:00
Lev Nachmanson
2ec09944d7 removals 2023-03-03 15:32:44 -08:00
Lev Nachmanson
a44772424c more removals 2023-03-03 15:30:15 -08:00
Lev Nachmanson
8db2f1409b lp_dual_simplex.cpp removed from CMakeLists.txt 2023-03-03 15:27:57 -08:00
Lev Nachmanson
cd24c99739 remove a lp_primal_simplex.cpp from CMakeLists 2023-03-03 15:26:06 -08:00