Lev Nachmanson
af2f74c05f
smarter explanation.h ( #4385 )
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* smarter explanation.h
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
* clean explanation API
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
* suppress warnings
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
* disable the warnings
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-05-19 12:38:44 -07:00
Lev Nachmanson
6b28973799
nla review ( #4321 )
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* simplify the nla_solver interface
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
* more simplifications
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
* init m_use_nra_model
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
* work on NSB comments
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
* work on NSB comments
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
Co-authored-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-05-13 13:52:42 -07:00
Lev Nachmanson
530f77281c
fixes in branching
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-04-26 16:13:47 -07:00
Lev Nachmanson
5208b64a6b
expose only necessary methods of lar_solver
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-04-16 12:58:39 -07:00
Nikolaj Bjorner
c2e5cd78c8
change lar_terms to use column indices
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-04-06 12:13:59 -07:00
Nikolaj Bjorner
080dbb13b0
tv alignment, code review comments
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-04-05 03:35:19 -07:00
Lev Nachmanson
f5b62015fc
change the return type of ival.var() to tv
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-03-25 19:43:55 -07:00
Lev Nachmanson
38eca3b66a
fixes in order lemmas and printing terms
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-03-25 19:43:55 -07:00
Lev Nachmanson
b964976b3f
remove debug code from theory_lra.cpp and restore gomory.cpp
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-03-25 19:43:55 -07:00
Lev Nachmanson
6877840342
port from master
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-03-25 19:43:55 -07:00
Nikolaj Bjorner
e50082b484
add tv
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-03-25 19:43:55 -07:00
Lev Nachmanson
8af245a410
use a simpler encoding for term indices
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-03-25 19:43:55 -07:00
Lev Nachmanson
79d4d13b14
fix in gomory: revert some changes
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-03-25 19:43:55 -07:00
Lev Nachmanson
29b9dfe326
fix in gomory cut
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-03-25 19:43:55 -07:00
Lev Nachmanson
c284e153f3
fix in gomory: revert some changes
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-03-25 19:43:55 -07:00
Lev Nachmanson
91d9a5bc83
fix in gomory cut
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-03-25 19:43:55 -07:00
Lev Nachmanson
77ca63db90
fix in gomory: revert some changes
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-03-25 19:43:55 -07:00
Lev Nachmanson
cbefa8d2b0
fix in gomory cut
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-03-25 19:43:55 -07:00
Lev Nachmanson
0ee541204f
fix in gomory: revert some changes
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-03-25 19:43:55 -07:00
Lev Nachmanson
b8d7af59f4
fix in gomory cut
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-03-25 19:43:55 -07:00
Lev Nachmanson
65de3f748a
fix the real case in gomory cuts, create a cut in a form t >= k
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-03-20 16:28:25 -07:00
Nikolaj Bjorner
9451dd9a74
na
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-02-09 09:00:34 -08:00
Nikolaj Bjorner
5964969f29
na
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-02-09 08:38:07 -08:00
Nikolaj Bjorner
5dc8c93897
separate out gcd test
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-02-08 16:44:25 -08:00
Nikolaj Bjorner
3f1f4e0f67
remove pragma once from cpp
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-02-08 15:41:13 -08:00
Nikolaj Bjorner
c12c9a75e6
move all gomory functionality into gomory class
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-02-08 15:03:58 -08:00
Nikolaj Bjorner
d44855f262
move all gomory functionality into gomory class
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-02-08 13:02:19 -08:00
Nikolaj Bjorner
8b23a1701a
move flatten functionality to asserted_formulas, sort variables in lut_finder
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-02-06 09:16:23 -08:00
Nikolaj Bjorner
a9d22d7409
fix #2918
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-02-01 14:09:40 -08:00
Nikolaj Bjorner
ece041baf8
randomize branch direction (outside of int_solver for now)
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-02-01 10:32:49 -08:00
Lev Nachmanson
abb13f8c76
randomise branches in int_solver
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-01-31 14:38:28 -08:00
Lev Nachmanson
8ebeaf03b4
rebase with Z3Prover/z3/master
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-01-28 10:04:21 -08:00
Lev Nachmanson
d310ae9060
rebase with Z3Prover
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-01-28 10:04:21 -08:00
Lev Nachmanson
1e625db84b
fix a bug in nla_expr
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-01-28 10:04:21 -08:00
Lev Nachmanson
130995a3db
print terms as monomials
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-01-28 10:04:21 -08:00
Lev Nachmanson
33cbd29ed0
mv util/lp to math/lp
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-01-28 10:04:21 -08:00
