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Author SHA1 Message Date
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
Nikolaj Bjorner 88ea90fbb9 handle output from niil_solver (#77) 
* handle output from niil_solver

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

* add proper equality handling

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.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 032a4efdb6 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
Lev c979c694f6 remove an unused method 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Nikolaj Bjorner ee62f83131 fix #2892 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-27 20:59:02 -08:00
Nikolaj Bjorner ca11dc1fc5 remove ad-hoc rewriting of division related to comparison. 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-27 17:36:02 -08:00
comet eea7805551 update 2020-01-27 15:27:11 -08:00
Nikolaj Bjorner d12523e4c0 fix #2883 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-27 08:57:16 -08:00
Nikolaj Bjorner 9c0e350bc4 rewrite3 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-26 18:50:58 -08:00
Nikolaj Bjorner 3774d6d405 fix #2890 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-26 17:59:52 -08:00
Nikolaj Bjorner c8c088e80d fix #2891 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-26 17:50:00 -08:00
Nikolaj Bjorner eb3fc4f47e extend dcert to disunification constraints that arithmetic theory needs to satisfy 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-25 22:38:13 -06:00
Nikolaj Bjorner 5497022f5c fix #2877 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-24 17:56:23 -06:00
Nikolaj Bjorner 3efe311c25 remove commented out code 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-24 17:45:24 -06:00
Jerry James a3b715b963 Fix EOF detection when char is unsigned. 2020-01-24 17:43:29 -06:00
Nikolaj Bjorner ce0ccc2e9e fix #2860 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-24 16:33:57 -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 f9917edf6c fix #2879. relax benign restriction on eq propagation justification 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-23 14:00:14 -06:00
Nikolaj Bjorner 794aafa6f8 fix warnings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-23 12:14:34 -06:00
Nikolaj Bjorner 6321dabe93 fix #2869 fix #2878 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-23 10:59:33 -06:00
Olaf Tomalka 876d7c92fb Added FreshFunction to Python bindings. 
All other declarations can be done use appropriate Fresh*() call,
or FreshConst() with a desired sort, except Functions.

I've added the abillity to do that in Python bindings using already existing APIs
 2020-01-23 10:00:36 -06:00
Nikolaj Bjorner 55f62fcaed fix #2865 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-22 16:16:44 -06:00
Nikolaj Bjorner 0ab107dcb5 revert fix for #2865 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-22 15:06:20 -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 da2f5cc362 remove spurious out 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-21 14:18:49 -06:00