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Code Activity
11866 commits 26 branches 52 tags 170 MiB
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314 commits

Author SHA1 Message Date
Lev Nachmanson
89d086fff0 add a case to basic zero scenario 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
029a486884 improve printing 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
d935bdb6c4 create a lemma for basic proportional case 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
633265cc6a merging Nikolaj's changes 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Nikolaj Bjorner
e16d8118ac going over niil_solver (#79) 
* change conflict to th_axiom

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

* going over niil_solver

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-28 10:04:21 -08:00
Nikolaj Bjorner
a9a45b7b47 change conflict to th_axiom (#78) 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
3138c929ee niil_solver basic case progress 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
3fb361c886 niil_solver basic case progress 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
1fce8ee0b1 niil_solver basic case progress 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
c1b976fbf4 niil_solver basic case progress 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
10871ad76e towards basic newtral check 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
08d891891e handle unsorted monomials 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
237db5cb3d niil_solver basic case zero 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
eca5ddaa04 base case zero in niil_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
d8f5ec3b52 basic case - zero for niil_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
95ffc029d4 rename var_info to var_lists in niil_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
93ec6360bd map vars to constraints 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
49ae42cebd produce the first lemma in niil_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
0911fc2bda use explanation.h for conflict explanations everywhere 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
fd0f6bcbf9 about to create a lemma in niil_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
0340c8c338 work on niil_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
b4aaaffc99 work on niil base case 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
406a021310 work on niil_solver base case 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
134ebb5712 start on generate_lemma in niil_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
31d44471a1 remove some warnings 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
9958f42d5c add files 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
92b5a9b134 work on niil 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
91086baa54 check monomial values in niil_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
f6291abccb change the type of lar_solver:get_model to a template 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
a86601f7d2 work on niil_solver::check() 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
07c9e22303 refactor mon_eq out or nra_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
b6f07e2a23 roll back changes in get_model 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
0dbe8982ce simplify lar_solver::get_model 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev
fa5d10b6dd work on switcher 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev
253facff46 work on switcher 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev
a5c62bfcc4 preparing niil files 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Nikolaj Bjorner
9c0e350bc4 rewrite3 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-26 18:50:58 -08:00
Nikolaj Bjorner
3efe311c25 remove commented out code 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-24 17:45:24 -06:00
Lev Nachmanson
f2015b3f49 rename m_rounded_columns to m_incorrect_columns 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-23 15:31:07 -08:00
Lev Nachmanson
4ba4d41346 track rounded columns in lar_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-23 17:21:55 -06:00
Nikolaj Bjorner
ad965ac896 fix #2817 - rows may apparently not be correct (root cause of this tbd), but avoid Gomory on incorrect rows 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-22 14:29:02 -06:00
Nikolaj Bjorner
05da2508bf fix #2873 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-22 11:08:44 -06:00
Nikolaj Bjorner
3931dd5da0 fix build of test 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-21 11:48:00 -06:00
Nikolaj Bjorner
045448e5b2 fix build of test 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-21 11:47:37 -06:00
Nikolaj Bjorner
683eed0c1e use get_sign 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-21 11:15:13 -06:00
Lev Nachmanson
c3ed06915c avoid the state change in an assert statement 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2019-12-31 14:03:48 -08:00
Lev Nachmanson
ef39c4b533 ignore term's zero coefficients in add_monomial() 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2019-12-31 12:44:38 -08:00
Lev Nachmanson
1fff7bb51d use u_map in lar_term 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2019-12-30 20:31:36 -08:00
Lev Nachmanson
0f772482b8 remove an incorrect assert 
Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
 2019-12-29 15:28:38 -08:00
Nikolaj Bjorner
2b2f016f96 python for accessing lambda, switch to theory branching for QF_LRA 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-08-14 15:44:34 -07:00