Lev Nachmanson
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0be5fc5693
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revert to a previous state: avoid adding branches for free vars when creating a gomory cut
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev
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822b0c1d5c
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in get_modele do not return values for terms
Signed-off-by: Lev <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Nikolaj Bjorner
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2b18627fa1
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fix assertions (#83)
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2020-01-28 10:04:21 -08:00 |
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Nikolaj Bjorner
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d913a55dfb
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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>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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9b5996fcd5
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clear lemma in int_solver before the first push_back
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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064cf9e983
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allow gomory cut for a row with free non-basic vars
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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de4a2b3ea7
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compiles and runs, need to restore niil_solver.cpp later
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Nikolaj Bjorner
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0d9aff9834
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added bounds (#81)
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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420895f303
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in the middle on niil_solver
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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0644194fc9
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work on lemma from product to factors, and some renaming
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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18714ce020
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improve printing
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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08c9953a36
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implement the case of small factor in basic proportional
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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ee6e21c614
|
work on niil_solver
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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e3ff457af5
|
work on niil_solver
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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efee734ec9
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return one of the conjuncions for basic proportionality case
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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dd0c8e4f6b
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remove an inifinite loop in basic_proportionality
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Nikolaj Bjorner
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64ecefdf07
|
tinker with bound atom (#80)
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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89d086fff0
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add a case to basic zero scenario
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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029a486884
|
improve printing
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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d935bdb6c4
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create a lemma for basic proportional case
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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633265cc6a
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merging Nikolaj's changes
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Nikolaj Bjorner
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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>
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2020-01-28 10:04:21 -08:00 |
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Nikolaj Bjorner
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a9a45b7b47
|
change conflict to th_axiom (#78)
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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3138c929ee
|
niil_solver basic case progress
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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3fb361c886
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niil_solver basic case progress
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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1fce8ee0b1
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niil_solver basic case progress
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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c1b976fbf4
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niil_solver basic case progress
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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10871ad76e
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towards basic newtral check
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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08d891891e
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handle unsorted monomials
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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237db5cb3d
|
niil_solver basic case zero
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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eca5ddaa04
|
base case zero in niil_solver
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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d8f5ec3b52
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basic case - zero for niil_solver
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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95ffc029d4
|
rename var_info to var_lists in niil_solver
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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93ec6360bd
|
map vars to constraints
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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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>
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2020-01-28 10:04:21 -08:00 |
|
Lev Nachmanson
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49ae42cebd
|
produce the first lemma in niil_solver
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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0911fc2bda
|
use explanation.h for conflict explanations everywhere
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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fd0f6bcbf9
|
about to create a lemma in niil_solver
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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0340c8c338
|
work on niil_solver
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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b4aaaffc99
|
work on niil base case
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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406a021310
|
work on niil_solver base case
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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134ebb5712
|
start on generate_lemma in niil_solver
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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31d44471a1
|
remove some warnings
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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9958f42d5c
|
add files
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
|
92b5a9b134
|
work on niil
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
|
2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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91086baa54
|
check monomial values in niil_solver
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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f6291abccb
|
change the type of lar_solver:get_model to a template
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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a86601f7d2
|
work on niil_solver::check()
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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07c9e22303
|
refactor mon_eq out or nra_solver
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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2020-01-28 10:04:21 -08:00 |
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Lev Nachmanson
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b6f07e2a23
|
roll back changes in get_model
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
|
2020-01-28 10:04:21 -08:00 |
|