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19997 commits 49 branches 53 tags 182 MiB
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Author SHA1 Message Date
Nikolaj Bjorner
4406011881 fix #6984 2023-11-14 07:40:32 -08:00
Nikolaj Bjorner
3c2e97ddb6 fix #6988 2023-11-14 07:30:32 -08:00
Nikolaj Bjorner
616d00409f updates to AC plugin, notes in BV plugin 2023-11-14 00:52:46 -08:00
Nikolaj Bjorner
c2610cb37c #6523 
malformed models on giveup status
 2023-11-13 14:32:53 -08:00
Nikolaj Bjorner
8a4e857294 #6523 
regressions from changes inside math/lp/int_solver
 2023-11-13 14:28:03 -08:00
Nikolaj Bjorner
54909f8755 use uint set to track superset of equations that are in simplified state 2023-11-13 01:15:37 -08:00
Nikolaj Bjorner
654dce3dc4 bug fixes 2023-11-12 17:35:42 -08:00
Nikolaj Bjorner
5c71824f2b adding unit test for arith_plugin 2023-11-12 16:48:10 -08:00
Nikolaj Bjorner
65a8c162f5 add E(T) functionality for bv and ac functions 
Add an option to register EUF modulo theories,
The current theory with a unit test is BV.
The arithmetic theory plugs into an AC completion. It is partially finished, pending setting up testing and implementing handling of shared terms.
 2023-11-12 15:39:56 -08:00
Nikolaj Bjorner
3de5af3cb0 fix bug in bound simplification in Gomory for mixed integer linear cuts, enable fixed variable redution after bugfix, add notes that rewriting bounds does not work 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-11-10 16:39:04 +01:00
EyalBrilling
aa9c7912dc
fixed possible undefined variable assigment (#6985) 2023-11-10 11:36:24 +01:00
Jakob Rath
9ce47ab460 fix recursion 2023-11-10 10:57:02 +01:00
Jakob Rath
115a82cd82 Fix helper function viable::find_value 2023-11-10 10:54:31 +01:00
Jakob Rath
5a03d13913 viable::test3 2023-11-10 10:53:15 +01:00
Jakob Rath
b7ee4b0d63 dtrim 2023-11-09 16:40:47 +01:00
Jakob Rath
fc676e235f fix some bugs, add unit test 2023-11-09 15:03:14 +01:00
Jakob Rath
d3d0a5f635 compile 2023-11-09 13:03:14 +01:00
Jakob Rath
e45358d9be viable algorithm sketch 2023-11-09 11:33:13 +01:00
Jakob Rath
e393c2fe9b r_interval, distance 2023-11-09 11:28:01 +01:00
Nikolaj Bjorner
0556059bdf change to expr_ref to allow trying simplification 2023-11-08 13:50:48 +01:00
Nikolaj Bjorner
bd4d580b17 fix #6986 2023-11-08 13:49:30 +01:00
Nikolaj Bjorner
e6385f8c85 disable bound validation in debug mode 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-11-07 20:49:26 +01:00
Nikolaj Bjorner
3d99ed9dd4 Gomory cut / branch and bound improvements 
Improve fairness of cut generation by switching to find_infeasible_int_var with cascading priorities, allow stronger cuts by inlining terms.
 2023-11-07 19:59:02 +01:00
Nikolaj Bjorner
9f0b3cdc25 Add utility to expand sub-terms 2023-11-07 19:58:32 +01:00
Nikolaj Bjorner
fb95760137 remove template 2023-11-07 19:57:50 +01:00
Nikolaj Bjorner
77dab53e9e track number of Gomory cuts 2023-11-07 19:57:49 +01:00
Nikolaj Bjorner
2d1f4d5d93 remove verbose logging 2023-11-07 19:57:49 +01:00
Nikolaj Bjorner
e86eae27e6 #6523 and other heap-use-after-free error 2023-11-07 19:57:49 +01:00
Nikolaj Bjorner
eed02b6d86 improved logging, use C++11 for loops instead of iterators 2023-11-07 19:57:49 +01:00
Jakob Rath
4efb06c60b get comments out of the way 2023-11-07 16:20:45 +01:00
Jakob Rath
be0e6c3267 viable plan 2023-11-07 13:17:15 +01:00
Jakob Rath
f51b194017 remove overly strict assertion 2023-11-07 13:14:55 +01:00
Jakob Rath
3796a46b55 log 2023-11-06 15:58:07 +01:00
Jakob Rath
dade8178e5 log solver-value 2023-11-06 15:22:31 +01:00
Jakob Rath
50eb43500e fix fix 2023-11-06 15:10:13 +01:00
Jakob Rath
f09d37f93f slicing: fix dependency tracking for values 2023-11-06 14:17:28 +01:00
Jakob Rath
f49440690d pwatch 2023-11-06 11:40:48 +01:00
Jakob Rath
9e90b353e9 Remove outdated note 2023-11-06 11:18:55 +01:00
Jakob Rath
5eb5313ac6 track active entries 2023-11-06 11:06:13 +01:00
Jakob Rath
8e94608485 compile test 2023-11-06 10:52:22 +01:00
Jakob Rath
17d9888d37 Extract helper for refining intervals 2023-11-06 10:51:04 +01:00
Jakob Rath
ec64b93edb Should we really prefer bit constraints? 2023-11-06 10:41:26 +01:00
Jakob Rath
625ec18b0f Remove unused stuff 2023-11-06 10:40:13 +01:00
Jakob Rath
60a9472c8c Simplify find_viable 2023-11-06 10:40:13 +01:00
Jakob Rath
f309dfeac7 Remove unused min_viable/max_viable 2023-11-06 10:19:44 +01:00
Jakob Rath
190b74a41a Extract viable_fallback into separate file 2023-11-06 10:13:19 +01:00
Lev Nachmanson
14312ef8a3 remove some warnings with clang 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-11-02 15:34:41 -07:00
Lev Nachmanson
08d3a82ce0 simplify the jump on entering 2023-11-02 11:09:01 -07:00
Lev Nachmanson
bdf1fcf5c1 remove an assert 2023-11-02 09:59:03 -07:00
Lev Nachmanson
ca6cb0af95 add changes in lp with validate_bound and maximize_term 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-11-02 09:59:03 -07:00