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Code Activity
15281 commits 24 branches 48 tags 158 MiB
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767 commits

Author SHA1 Message Date
Lev Nachmanson
80467f1400 cheap_eqs 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-20 11:31:22 -07:00
Lev Nachmanson
431bb36cf5 cheap_eqs tree 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-20 11:31:22 -07:00
Lev Nachmanson
f7f9c15676 cheap_eqs tree 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-20 11:31:22 -07:00
Lev Nachmanson
f882219081 fix a bug in cheap_eqs with table 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-15 13:30:45 -07:00
Lev Nachmanson
d13e584706 simplify the fixed var table 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-15 13:30:45 -07:00
Nikolaj Bjorner
180fb3abf6 tidy 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-06-14 11:36:09 -07:00
Nikolaj Bjorner
7387fc9dec avoid some bignum overhead in addmul 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-06-14 11:20:05 -07:00
Nikolaj Bjorner
5ee9edf46b fix incorrect bound in order-lemma 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-06-13 14:28:42 -07:00
Lev Nachmanson
e5632736d2 review comments 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-12 22:11:11 -07:00
Lev Nachmanson
fbfcc6796a fix the build 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-12 22:11:11 -07:00
Lev Nachmanson
66701de157 fix the test build 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-12 22:11:11 -07:00
Lev Nachmanson
06826adec3 fix the race in add_var_bound and add_def_constraint 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-12 22:11:11 -07:00
Lev Nachmanson
fe0e042e40 move m_fixed_var_table to lar_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-12 22:11:11 -07:00
Lev Nachmanson
67eaff4490 testing cheap equalities 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-12 22:11:11 -07:00
Lev Nachmanson
94263167ec cheap eqs 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-12 22:11:11 -07:00
Lev Nachmanson
50b9915c57 avoid big nums in is_offset_row in cheap_eqs 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-12 22:11:11 -07:00
Lev Nachmanson
713eb6319d fix 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-12 22:11:11 -07:00
Lev Nachmanson
1587497562 cheap equalities 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-12 22:11:11 -07:00
Lev Nachmanson
ccc8651800 cheap eqs on table 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-12 22:11:11 -07:00
Lev Nachmanson
b3bdce7837 make lp_bound_propagator a field of theory_lra::imp 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-12 22:11:11 -07:00
Lev Nachmanson
dd30b5e3af some simplifications in cheap eqs 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-12 22:11:11 -07:00
Lev Nachmanson
4de38d09e2 cheap eqs 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-12 22:11:11 -07:00
Lev Nachmanson
4f0bd93124 debug cheap_eqs 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-12 22:11:11 -07:00
Lev Nachmanson
110ab5e6ef debug cheap_eqs 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-12 22:11:11 -07:00
Lev Nachmanson
9c078c6d59 relaxing asserts in column_to_reported_index 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-12 22:11:11 -07:00
Lev Nachmanson
6a678fd5be rename in lar_solver and memory corruption bug in cheap_eq 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-12 22:11:11 -07:00
Lev Nachmanson
4936ace7cd more guards on cheap_eqs 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-12 22:11:11 -07:00
Lev Nachmanson
0ff18dd5a7 a small example passing with cheap eqs 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-12 22:11:11 -07:00
Lev Nachmanson
54921d08dc cheap_eq debug 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-12 22:11:11 -07:00
Lev Nachmanson
4a9f031502 cheap_eqs progress 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-12 22:11:11 -07:00
Lev Nachmanson
62bd19242e replace graph by a tree in cheap_eqs 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-12 22:11:11 -07:00
Lev Nachmanson
5d3070bc2d implement graph integrality 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-12 22:11:11 -07:00
Lev Nachmanson
1e4e887221 propagate cheap eqs 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-12 22:11:11 -07:00
Nikolaj Bjorner
2613f74baa fix #4494 2020-06-11 00:05:19 -07:00
Nikolaj Bjorner
9ca5b3f304 fix #4449 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-06-03 21:10:07 -07:00
Nuno Lopes
e844aef896 remove a few more copy constructors, though still not enough to enable the assertion in vector 
I give up for now; there are too many copies left for little return..
 2020-06-03 20:32:13 +01:00
Nuno Lopes
98b5abb1d4 buffer: require a move constructor to avoid copies 
remove unneded copy constructors from several classes
 2020-06-03 11:57:49 +01:00
Lev Nachmanson
742be83503
Lpbounds (#4492) 
* remove inheritance from bound propagation

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* less inheritance

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* less inheritance

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* fix the build

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-06-02 01:00:06 -07:00
Nikolaj Bjorner
48f07932f7 reset zero before resetting nlsat #4493b 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-06-02 00:40:54 -07:00
Lev Nachmanson
c967b4aead more efficient patching 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-31 20:20:49 -07:00
Lev Nachmanson
c355ee025a fix bugs in patching 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-31 20:20:49 -07:00
Lev Nachmanson
e7bb8e57cb fixes in patch blocking 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-31 20:20:49 -07:00
Lev Nachmanson
4728a1fb0c fix in cautious remove_basis 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-31 20:20:49 -07:00
Lev Nachmanson
a6040a1f3d cautious remove_basis 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-31 20:20:49 -07:00
Lev Nachmanson
91d9b0319e toward full patching in nl 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-31 20:20:49 -07:00
Lev Nachmanson
c58bd3105b adding more aggressive patching in nl 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-31 20:20:49 -07:00
Lev Nachmanson
6a5579341d add restore_patched_values 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-31 20:20:49 -07:00
Lev Nachmanson
47d5515b78 change try_patch to a template 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-31 20:20:49 -07:00
Lev Nachmanson
4b76e213a5 move declarations closer to usage 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-31 20:20:49 -07:00
Lev Nachmanson
9b7f97fab9 change try_patch to a template 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-31 20:20:49 -07:00