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Code Activity
15589 commits 49 branches 53 tags 182 MiB
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1613 commits

Author SHA1 Message Date
Lev Nachmanson
a99ebed907 keep the coefficients of 'at lower' variables positive, and the rest negative for Gomory cuts 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2018-09-19 10:17:27 -07:00
Nikolaj Bjorner
ed19af4c4e merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-19 09:02:37 -07:00
Lev Nachmanson
b90d571d9a fixing the build 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2018-09-18 15:36:01 -07:00
Lev
041458f97a fixes the +- bug in gomory cut 
Signed-off-by: Lev <levnach@hotmail.com>
 2018-09-18 14:42:32 -07:00
Lev
b940b7873b work on Gomory cut 
Signed-off-by: Lev <levnach@hotmail.com>
 2018-09-18 13:47:18 -07:00
Lev
ca3ce964ce work on Gomory cut 
Signed-off-by: Lev <levnach@hotmail.com>
 2018-09-18 13:34:05 -07:00
Lev
106b677201 fixes in gomory cut 
Signed-off-by: Lev <levnach@hotmail.com>
 2018-09-15 17:47:54 -07:00
Lev
34bdea750c fixes in gomory cut 
Signed-off-by: Lev <levnach@hotmail.com>
 2018-09-15 17:46:16 -07:00
Lev
8c122ba9bd fixes in gomory cut 
Signed-off-by: Lev <levnach@hotmail.com>
 2018-09-15 17:33:35 -07:00
Lev
03d55426bb fixes in gomory cut 
Signed-off-by: Lev <levnach@hotmail.com>
 2018-09-15 17:15:46 -07:00
Lev
324396e403 separate the gomory cut functionality in a separate file 
Signed-off-by: Lev <levnach@hotmail.com>
 2018-09-14 17:12:49 -07:00
Lev
26764b076f adjust cuts and branch (m_t and m_k) for terms 
Signed-off-by: Lev <levnach@hotmail.com>
 2018-09-14 12:39:46 -07:00
Lev
257ba6218f remove gomory.h 
Signed-off-by: Lev <levnach@hotmail.com>
 2018-09-14 11:54:10 -07:00
Lev
22213a9e73 rebase 
Signed-off-by: Lev <levnach@hotmail.com>
 2018-09-14 11:53:54 -07:00
Lev
5dee39721a rebase 
Signed-off-by: Lev <levnach@hotmail.com>
 2018-09-14 11:52:14 -07:00
Lev
e705e5a309 branch on inf basic in gomory 
Signed-off-by: Lev <levnach@hotmail.com>
 2018-09-14 11:49:39 -07:00
Nikolaj Bjorner
6ea4aff622 add validation code for cuts, fix missing unit propagation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-13 10:47:50 -07:00
Lev Nachmanson
f810a5d8c3 remove an assert 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2018-09-10 15:22:48 -07:00
Lev Nachmanson
8068c64cab avoid using not initialized variables in theory_lra 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2018-09-10 11:02:38 -07:00
Nikolaj Bjorner
c8730daea7 fix memory leak, add strengthening 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-03 16:56:07 -07:00
Nikolaj Bjorner
e8a78ec696 remove std::max for #1752 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-03 10:24:01 -07:00
Simon Cruanes
5141f05e6d fix(union-find): keep values and representative in consistent order 
the merge handlers should be called with r1,r2,v1,v2 or r2,r1,v2,v1
but not a mix
 2018-08-17 14:58:44 -05:00
Nikolaj Bjorner
12f9336fec disable unused macros 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-08-15 22:44:07 -07:00
Nikolaj Bjorner
2b2f193f2b remove dependency on ARRAYSIZE for issue #1616 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-08-15 22:26:14 -07:00
Nikolaj Bjorner
8b4e1c1209 fix #1793 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-08-06 18:13:26 -07:00
Nikolaj Bjorner
f306f75e36 harness internalization and API for #1776 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-08-02 20:18:27 -07:00
Lev Nachmanson
075cf106aa fix the build 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2018-08-01 08:46:03 -07:00
Lev Nachmanson
7370396c30 fix the build 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2018-08-01 08:06:56 -07:00
Lev Nachmanson
0a51417804 unroll static_matrix to avoid dead cells 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2018-07-31 22:57:10 -07:00
Lev
3d274c2e6f use CASSERT for hnf 
Signed-off-by: Lev <levnach@hotmail.com>
 2018-07-30 15:55:06 -07:00
Lev Nachmanson
0ee68220e1 use CASSERT instead of lp_assert for static_matrix 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2018-07-30 14:34:03 -07:00
Lev
181bb60e36 remove some lp_asserts 
Signed-off-by: Lev <levnach@hotmail.com>
 2018-07-30 12:54:53 -07:00
Lev Nachmanson
9cb713879e fix the build 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2018-07-30 09:56:39 -07:00
Lev Nachmanson
2de27ae3af uniform choice of a beneficial column 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2018-07-29 22:33:19 -07:00
Lev
e9595eb283 merge with z3prover 
Signed-off-by: Lev <levnach@hotmail.com>
 2018-07-29 21:15:42 -07:00
Lev Nachmanson
16b71fe911 work on static_matrix's cells 
Signed-off-by: Lev <levnach@hotmail.com>

trying the new scheme in static_matrix : in progress

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

in the middle of changes in static_matrix

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

more fixes in static_matrix.h

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

debug

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

fixes in static_matrix

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

fixes in static_matrix, column_strip

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

fixes in static_matrix

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

fixes for static_matrix

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

work on static_matrix

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

work on static_matrix

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

progress in static_matrix

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

fix a bug in swap_with_head_cell

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

progress in static_matrix

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

compress rows and columns if needed

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

fix in compression of cells

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2018-07-29 20:45:13 -07:00
Nikolaj Bjorner
879e217fe6 limits -> climits 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-07-28 20:28:53 -07:00
Nikolaj Bjorner
1cb3f7c792 fixing #1520 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-07-28 18:03:13 -07:00
Lev
ef2cdc226a a fix in maximize_term 
Signed-off-by: Lev <levnach@hotmail.com>
 2018-07-26 22:46:28 -07:00
Nikolaj Bjorner
d74978c277 fix #1762, #1764, #1768 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-07-26 20:29:26 +01:00
Lev Nachmanson
b71fe0b3b7 speed up find_cube 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2018-07-16 16:17:49 -07:00
Lev Nachmanson
35f7f1f62e fix in cube heuristic 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2018-07-16 12:29:42 -07:00
Nikolaj Bjorner
30330c79a1 Merge branch 'master' of https://github.com/z3prover/z3 2018-07-15 22:36:02 -07:00
Nikolaj Bjorner
d00ffdda82 strengthen filter for specialized tactic conditions, add flag to disable hnf to lp_params 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-07-15 22:35:47 -07:00
Lev Nachmanson
f7ac096696 avoid a vector copy 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2018-07-15 15:29:13 -07:00
Nuno Lopes
b88596283f don't use mp[zq] synchronized mode if OpenMP mode is disabled 2018-07-14 20:44:35 +01:00
Nuno Lopes
7d20fbb280 do not cooperate if OMP mode is disabled (i.e. it's single threaded only) 2018-07-14 12:21:43 +01:00
Nikolaj Bjorner
1d408c1955 Merge branch 'master' of https://github.com/z3prover/z3 2018-07-13 07:52:40 -07:00
Nikolaj Bjorner
167969d6c2 remove debug/non-debug difference 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-07-13 07:52:36 -07:00
Nuno Lopes
b7ea90c12b bv_decl_plugin: remove some mem allocs of parameters 2018-07-12 18:36:09 +01:00