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Code Activity
19348 commits 49 branches 53 tags 182 MiB
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1722 commits

Author SHA1 Message Date
Nikolaj Bjorner
7b490543ca add missing simplification; handle nit #6952 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-25 10:00:15 -07:00
Nikolaj Bjorner
c9d298e57f enable propagate-linear-equations and extend to monomials 2023-10-21 19:57:41 -07:00
Nikolaj Bjorner
53ce18ef34 update backoff for bounded_nla 2023-10-21 19:57:06 -07:00
Nikolaj Bjorner
97058b0d5d allow for propagations the trigger make-feasible check 2023-10-19 16:08:44 -07:00
Nikolaj Bjorner
37fe9cc764 add Horner saturation to Grobner conflict detection 
- throttle Grobner
- add (disabled) propagate_linear_equation to prepare for additional propagation.
- add validation code is_nla_conflict/add_nla_conflict to establish missed conflicts
 2023-10-17 21:19:57 -07:00
Nikolaj Bjorner
0a1cc4c054 fix exception safety in pdd-solver 2023-10-17 19:50:34 -07:00
Nikolaj Bjorner
3fa67777e5 fix exception safety in pdd-solver 2023-10-17 19:50:13 -07:00
Nikolaj Bjorner
c9c5dbc347 #6523 2023-10-16 09:27:22 -07:00
Nikolaj Bjorner
f678861aef fix #6947 2023-10-16 08:43:08 -07:00
Nikolaj Bjorner
ba881d9c9b add facility to experiment with nla justified conflicts from Grobner equations 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-16 00:40:43 -07:00
Nikolaj Bjorner
18fc6914d3 add facility to experiment with nla justified conflicts from Grobner equations 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-16 00:40:24 -07:00
Nikolaj Bjorner
bdac86501d add facility to check for missing propagations 2023-10-15 20:33:48 -07:00
Nikolaj Bjorner
5619ed0586 resurrect old bounds propagation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-14 13:55:56 -07:00
Nikolaj Bjorner
a39d4adf5b build fixes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-14 13:45:42 -07:00
Nikolaj Bjorner
47f1c86f93 fix regression 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-14 02:38:49 -07:00
Nikolaj Bjorner
d44d78f9d1 remove temporary configuration parameter used for testing 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-14 01:33:05 -07:00
Nikolaj Bjorner
08af965b56 updates to monomial bounds 2023-10-14 01:33:05 -07:00
Nikolaj Bjorner
01188462d5 build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-10 16:24:05 -07:00
Nikolaj Bjorner
960a024d3d fix build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-10 13:54:00 -07:00
Nikolaj Bjorner
d04807e8c3 merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-10 13:43:38 -07:00
Nikolaj Bjorner
338d7b3283 remove unused variables 2023-10-10 13:42:21 -07:00
Lev Nachmanson
180ab727e7 fix a bug in unit nl prop 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-10-10 07:32:07 -07:00
Nikolaj Bjorner
4a870966ad add code to enable unit propagation of bounds 
set UNIT_PROPAGATE_BOUNDS 1 to use the unit propagation version. It applies unit propagation eagerly (does not depend on checking LIA consistency before final check) and avoid creating new literals in most cases
 2023-10-09 16:04:39 +09:00
Nikolaj Bjorner
1bdf66b918 move initialization to header file 2023-10-09 10:55:43 +09:00
Lev Nachmanson
1ba0f5aba9 cosmetic changes 2023-10-08 10:16:40 -07:00
Lev Nachmanson
3aac528aef add a comment 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-10-08 07:34:03 -07:00
Nikolaj Bjorner
54f7aac0bc column value is not necessarily at bounds 2023-10-08 17:18:26 +09:00
Lev Nachmanson
f847d039bc use the simple version of move_non_basic_column_to_bounds 2023-10-05 20:57:54 -07:00
Lev Nachmanson
bf3817ef7c restore move_non_basic_to_bounds 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-10-05 18:14:52 -07:00
Lev Nachmanson
b61f4ac51f merge changes from master 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-10-05 07:50:13 -07:00
Lev Nachmanson
45c0ed126e remove unnecessery call 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-10-04 17:39:22 -07:00
Lev Nachmanson
edd1761ff3 restore the scheme of m_columns_with_changed_bounds 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-10-04 11:06:24 -07:00
Lev Nachmanson
a88aa7ffa5 debug new propagation scheme 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-10-03 16:25:49 -07:00
Nikolaj Bjorner
00ba064cd3 ensure bounds propagation on changed columns after nla propagation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-03 14:28:59 +09:00
Lev Nachmanson
7de06c4350 merging master to unit_prop_on_monomials 2023-10-02 16:42:59 -07:00
Lev Nachmanson
a297a2b25c fixes in lar_solver around nl unit propagation 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-10-01 11:39:58 -07:00
Lev Nachmanson
b64fdef41f better tracking changinc rows and monomials 2023-09-29 15:27:22 -07:00
Lev Nachmanson
f30a2c13be propagate only one non-fixed monomial intrernally 
lar_solver
 2023-09-28 17:24:34 -07:00
Lev Nachmanson
29b5c47a8d track changed monics efficiently 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-09-27 09:09:38 -07:00
Nikolaj Bjorner
42767b9aab
Merge branch 'master' into unit_prop_on_monomials 2023-09-26 23:55:37 -07:00
Nikolaj Bjorner
2297b0334b re-introduce simple implementation of linear monomial propagation for evaluation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-09-26 23:53:14 -07:00
Nikolaj Bjorner
aaa587398e add propagation flag to monic and method for updating it to emonics. This replaces the bool-vector tracking for propagation and internalizes it to the emonics class 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-09-26 20:52:34 -07:00
Nikolaj Bjorner
4b85a105bb
Merge branch 'master' into unit_prop_on_monomials 2023-09-26 20:25:43 -07:00
Nikolaj Bjorner
9c63ea3135 port over cosmetics from unit_prop_on_monomials branch 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-09-26 20:24:49 -07:00
Nikolaj Bjorner
e8fcc876c9
Merge branch 'master' into unit_prop_on_monomials 2023-09-26 20:14:06 -07:00
Nikolaj Bjorner
ec2937e2de port over moving m_nla_lemmas into nla_core from the linear monomial propagation branch 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-09-26 20:08:30 -07:00
Lev Nachmanson
368fe80b3d fix the build 2023-09-25 16:55:02 -07:00
Lev Nachmanson
6ff4856e38 throttle monomial unit prop and and nl params 2023-09-25 16:47:34 -07:00
Lev Nachmanson
896aba31f8 move monomial propagation from theory_lra to nla_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-09-25 14:20:24 -07:00
Nikolaj Bjorner
0a1ade6f95 move m_nla_lemma_vector to be internal to nla_core 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-09-25 12:40:52 -07:00