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Code Activity
18320 commits 43 branches 51 tags 169 MiB
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256 commits

Author SHA1 Message Date
Nikolaj Bjorner
4d1d067d42 fix divergence reported by Guido Martinez 2023-12-07 13:34:35 -08:00
Nikolaj Bjorner
25dd29907b refine no-effect predicate to include value of ret 2023-12-03 12:41:21 -08:00
Nikolaj Bjorner
4350bd77ac check cancel flag to avoid unsound conflicts 2023-11-19 11:43:52 -08:00
Lev Nachmanson
ca6cb0af95 add changes in lp with validate_bound and maximize_term 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-11-02 09:59:03 -07:00
Nikolaj Bjorner
bd8e5eee4b add simplification experiment (disabled) for tracking, some reshuffling of equation/fixed_equation structs 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-29 10:21:31 -07:00
Nikolaj Bjorner
5622fd1362 initialize delay bound 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-26 03:26:41 -07:00
Nikolaj Bjorner
20c54048f7 use cone of influence reduction before calling nlsat. 2023-10-25 16:19:23 -07:00
Nikolaj Bjorner
e2db2b864b add hook for in-processing simplification for NLA 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-25 15:09:21 -07:00
Nikolaj Bjorner
55775bdc20 incremnet log level for debug output on cancelation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-10-25 13:15:15 -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
c9c5dbc347 #6523 2023-10-16 09:27:22 -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
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
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
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
6ff4856e38 throttle monomial unit prop and and nl params 2023-09-25 16:47:34 -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
Lev Nachmanson
26a9b776c6 clean m_nla_lemma_vector in nla_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-09-25 12:10:59 -07:00
Nikolaj Bjorner
886d3f4351 indentation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-09-22 16:55:34 -07:00
Nikolaj Bjorner
eac54ba084 indentation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-09-22 16:54:12 -07:00
Nikolaj Bjorner
940775d12d indentation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-09-22 16:48:40 -07:00
Lev Nachmanson
caa929f01f do not use lemmase in monomial propagation 2023-09-22 14:27:26 -07:00
Lev Nachmanson
f423642e9b try the lemma scheme 2023-09-21 12:18:21 -07:00
Lev Nachmanson
e31cecf5db transfer propagate monomial bounds to nla_solver 2023-09-21 11:27:53 -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
41f59cb1ed propagate monomial is nla 2023-09-05 18:49:59 -07:00
Lev Nachmanson
318d7d7564 fixes a bug 2023-09-01 11:32:26 -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
c2cbe72b64 sketch linear monomial propagation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-08-31 11:49:05 -07:00
Nikolaj Bjorner
38b131386d add stubs for monomial unit propagation 2023-08-30 17:21:48 -07:00
Nikolaj Bjorner
e8929041b8 fixing calls, signs 2023-08-22 09:29:12 -07:00
Lev Nachmanson
61a7c6b28d init m_literal_vec 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-08-21 17:11:55 -07:00
Lev Nachmanson
9aeaed8f53
Merge branch 'master' into nl_branches 2023-08-21 16:15:20 -07:00
Lev Nachmanson
9b672bc5cc remove tracking of bounds 2023-08-20 10:10:48 -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
610313946d split free vars in nla 2023-08-18 12:36:14 -07:00
Lev Nachmanson
252a30e727
use param_ref in nla_solver (#6862) 
* use param_ref in nla_solver

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* add parameters

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

* add parameters

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

* replace nla_setting by command line parameters

* delete nla_setting.h

---------

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
Co-authored-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-08-17 18:44:27 -07:00
Lev Nachmanson
f58b703ac5
u_set replaced by indexed_uint_set (#6841) 
* replace u_set by indexed_uint_set

* replace u_set by indexed_uint_set

* create insert-fresh and insert for indexed_uint_set to make use cases with non-fresh inserts easier

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

* update nightly to pull arm

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

* update nightly to pull arm

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

* fixing the build of lp_tst

* update nightly to pull arm

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

* replace u_set by indexed_uint_set

* replace u_set by indexed_uint_set

* fixing the build of lp_tst

* remove unnecessery call to contains() before
insert to indexed_uint_set

* formatting, no check for contains()
 in indexed_uint_set, always init m_touched_rows to nullptr

---------

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
Co-authored-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-08-03 16:01:27 -07:00
Lev Nachmanson
e091a2e775 remove the line with clang-format off 2023-07-10 12:05:59 -07:00