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18129 commits 23 branches 48 tags 157 MiB
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33 commits

Author SHA1 Message Date
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
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
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 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
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 f30a2c13be propagate only one non-fixed monomial intrernally 
lar_solver
 2023-09-28 17:24:34 -07:00
Lev Nachmanson c5cfd62e0a remove dead code related to nla unit propagation 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-09-19 10:56:09 -07:00
Lev Nachmanson c309d52283 runs a simple test 2023-09-13 08:12:00 -07:00
Lev Nachmanson c050af922f fixing the bugs 2023-09-07 15:59:20 -07:00
Lev Nachmanson 47b64e689c restore the lemma scheme 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-09-07 11:33:14 -07:00
Lev Nachmanson 288e66de59 restore m_crossed* and create lemmas 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-09-06 09:27:30 -07:00
Lev Nachmanson 41f59cb1ed propagate monomial is nla 2023-09-05 18:49:59 -07:00
Lev Nachmanson d3258e7084 propagate lineal monomial 2023-09-01 11:18:03 -07:00
Lev Nachmanson 5509b468e9 handle monomial_bounds::unit_propagate() 2023-08-31 17:35:41 -07:00
Nikolaj Bjorner ff3268e636 move unit propagation into monomial_bounds 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-08-31 14:32:05 -07:00
Nikolaj Bjorner 5e3df9ee77
Arith min max (#6864) 
* prepare for dependencies

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* snapshot

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* more refactoring

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* more refactoring

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* build

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* pass in u_dependency_manager

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* address NYIs

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* more refactoring names

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* eq_explanation update

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* add outline of bounds improvement functionality

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* fix unit tests

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* remove unused structs

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* more bounds

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* more bounds

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* convert more internals to use u_dependency instead of constraint_index

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* convert more internals to use u_dependency instead of constraint_index

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* remember to push/pop scopes

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* use the main function for updating bounds

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* remove reset of shared dep manager

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* disable improve-bounds, add statistics

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

---------

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-08-19 17:44:09 -07:00
Lev Nachmanson e091a2e775 remove the line with clang-format off 2023-07-10 12:05:59 -07:00
Lev Nachmanson 5ed2a82893
set clang format off for lp files (#6795) 
* adding // clang-format off

* set clang-format off at the beginning of  lp files

* set clang-format off

* remove dead code
 2023-07-03 17:35:16 -07:00
Nikolaj Bjorner 2e96557827 fix #5560 - add a throttle on maximal size of bignums created for propagate-value lemmas 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-09-21 08:55:28 -07:00
Nikolaj Bjorner 78a4717c06 fix #4359 and regression to #3270 2020-05-18 12:41:42 -07:00
Nikolaj Bjorner b43ed70874 extend monomial bounds to handle powers 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-14 19:13:17 -07:00
Nikolaj Bjorner 4e51633e6f adding monomial bounds 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-13 18:45:47 -07:00
Lev Nachmanson bdecbe4ed7 remove a duplicate method 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-13 15:38:20 -07:00
Nikolaj Bjorner 16aec328f1 add comments, fix mixup between lower/upper 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-13 13:42:50 -07:00
Nikolaj Bjorner 33042268b5 bounds propagation functionality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-13 13:36:22 -07:00
Nikolaj Bjorner bda29ca26a outline for monomial bound propagation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-13 10:37:46 -07:00