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Code Activity
13008 commits 49 branches 53 tags 182 MiB
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2885 commits

Author SHA1 Message Date
Lev
ee2aed38e8 switch pos ( sign) when creating literals for EQ and NE 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Nikolaj Bjorner
545bfff827 take coefficient into account (#87) 
* take coefficient into account

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

* take coefficient into account

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-28 10:04:21 -08:00
Lev
a82316a172 rebase with z3prover 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev
d301a9c403 rebase with z3prover 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev
96aaa8638e rename niil to nla 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev
56ae577c97 rename the files 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev
c09c944922 rebase with upstream 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
0be5fc5693 revert to a previous state: avoid adding branches for free vars when creating a gomory cut 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Nikolaj Bjorner
2b18627fa1 fix assertions (#83) 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-28 10:04:21 -08:00
Nikolaj Bjorner
d913a55dfb reset m_explanation (#82) 
* reset m_explanation

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

* streamline handling of m_explanation

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
064cf9e983 allow gomory cut for a row with free non-basic vars 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
de4a2b3ea7 compiles and runs, need to restore niil_solver.cpp later 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Nikolaj Bjorner
0d9aff9834 added bounds (#81) 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-28 10:04:21 -08:00
Nikolaj Bjorner
64ecefdf07 tinker with bound atom (#80) 
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
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
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
31d44471a1 remove some warnings 
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
a86601f7d2 work on niil_solver::check() 
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
d12523e4c0 fix #2883 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-27 08:57:16 -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
5497022f5c fix #2877 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-24 17:56:23 -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
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
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
da2f5cc362 remove spurious out 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-21 14:18:49 -06:00
Nikolaj Bjorner
d3b105f9f8 move out sign 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-20 16:22:38 -06:00
Christoph M. Wintersteiger
321bad2c84
Fix for implicit consts in FPA models. Fixes #2865. 2020-01-20 17:06:35 +00:00
Murphy Berzish
509cad9c9a z3str3: refactoring, move legacy model construction code into theory_str_mc 2020-01-14 16:13:25 -08:00
Christoph M. Wintersteiger
77689ed002
Fix term-ite models in theory_fpa. Fixes #2857. 2020-01-13 19:24:48 +00:00
Nikolaj Bjorner
ba292346ae some more string perf profiling 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-12 22:11:00 -08:00
Nikolaj Bjorner
ab5905cf7f some adjustments for stack use on large strings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-12 22:08:24 -08:00
Nikolaj Bjorner
e8cfbb41d3 missing length constraint for at fixes #2852 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-12 17:22:59 -08:00
Nikolaj Bjorner
78a1736bd2 prepare symbols to be more abstract, update mbi, delay initialize some modules 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-10 12:02:08 -08:00