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18776 commits 49 branches 53 tags 182 MiB
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2404 commits

Author SHA1 Message Date
Nikolaj Bjorner
2ee971ef68 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-03-21 12:32:01 -07:00
Nikolaj Bjorner
2fef6dc502 more scaffolding 2021-03-21 11:31:14 -07:00
Nikolaj Bjorner
a1f484fa35 na 2021-03-19 16:42:45 -07:00
Nikolaj Bjorner
731cf9b885 ensure compilation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-03-19 15:37:05 -07:00
Nikolaj Bjorner
560f072786 elaborate on header 2021-03-19 14:26:52 -07:00
Lev Nachmanson
3b67dd8288 add a trace statement 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2021-03-19 13:17:27 -07:00
Nikolaj Bjorner
1971ee60e1 Create polysat.h 2021-03-19 11:15:06 -07:00
Nikolaj Bjorner
15a7621e27 remove template dependency for trail objects 2021-03-19 11:15:05 -07:00
Nikolaj Bjorner
ff0de59a70 more streamlined diagnostics to prepare for #5106 2021-03-15 16:23:35 -07:00
Nikolaj Bjorner
f00db08221 unused, thanks to AVJ 2021-03-15 13:49:17 -07:00
Nikolaj Bjorner
845ba7a11e use a large delay for nlsat 2021-03-14 19:14:44 -07:00
Nikolaj Bjorner
8412ecbdbf fixes to new solver, add mode for using nlsat solver eagerly from nla_core 2021-03-14 13:57:04 -07:00
Nikolaj Bjorner
78f4513441 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-03-13 06:19:31 -08:00
Nikolaj Bjorner
857557ad93 deal with compiler warnings 2021-03-08 20:39:19 -08:00
Nikolaj Bjorner
f29a596070 deal with compiler warnings, from MacOS CI build 2021-03-08 17:14:09 -08:00
Nikolaj Bjorner
c6eb55537a Throttle nra solver when progress is being made by linearization 2021-02-26 11:14:24 -08:00
Nikolaj Bjorner
6f346bf804 fix build break 2021-01-31 22:56:42 -08:00
Nikolaj Bjorner
33525007ab try #4984 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2021-01-31 22:15:00 -08:00
Nikolaj Bjorner
7d60d8462d patch for Sturm sequence bug #4961 2021-01-24 12:58:25 -08:00
Nikolaj Bjorner
3ed490d4ed tune backtracking 2021-01-18 16:51:01 -08:00
Nikolaj Bjorner
372e5ca569 fixes in new solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-12-25 11:19:31 -08:00
Nikolaj Bjorner
21c626e3ee fix bound miss-computation, include sporadic nra check for #4913 2020-12-24 03:22:43 -08:00
Nikolaj Bjorner
8546cf97d7 on #4702 
Add weighting function to cycle more fairly through nla solvers.
Handles anomaly from https://github.com/Z3Prover/z3/files/5361721/pero.txt
 2020-12-24 03:07:25 -08:00
Nikolaj Bjorner
a72856111b add destination to custom command 2020-12-21 11:42:04 -08:00
Nikolaj Bjorner
89a6c7a349 fix #4883 2020-12-10 07:30:19 -08:00
Lev Nachmanson
4d7062d2a1 fix in nla_ordered_lemma 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-12-09 06:48:58 -08:00
Lev Nachmanson
b90143cc0e set the defalt for cheap_eqs=False, do not run 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-12-06 18:26:26 -08:00
Nikolaj Bjorner
c3c7aad1a8 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-12-06 11:18:37 -08:00
Lev Nachmanson
2e5eb2dde2
Tree fix (#4864) 
* simplify cheap equality tree

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

* simplify cheap equality tree

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

* more fixes

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-12-06 11:18:27 -08:00
Nikolaj Bjorner
b5a6c6bc66 attempt at more graceful timeout handling #4821 2020-11-26 06:33:44 -08:00
Lev Nachmanson
4810b4cac2 add a comment in nla_order 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-11-10 11:12:28 -08:00
Lev Nachmanson
fc5e5a2098 add a comment in nla_order 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-11-10 11:11:42 -08:00
Nikolaj Bjorner
fdedeed7ae additional sign related fix for #4740 https://github.com/Z3Prover/z3/issues/4740#issuecomment-721508240 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-11-10 10:50:13 -08:00
Nikolaj Bjorner
638ef9ed03 enforce sign coherence #4740 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-11-09 14:28:49 -08:00
Nikolaj Bjorner
89ffb45c4f fixes to bv/dual-solver, 2020-11-08 17:18:18 -08:00
Nikolaj Bjorner
d0d06c288a rename 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-11-03 12:13:23 -08:00
Nikolaj Bjorner
620204bbb4
use value function in lar_solver (#4771) 
* use value function in lar_solver

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* add missing return

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* check_feasible is called after column is added for fixed variable

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* na
 2020-11-03 01:08:24 -08:00
Nikolaj Bjorner
ee12e3fb52 add init_model, global m_delta, get_value, get_ivalue to push model maintainance into lar_solver #4740 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-11-02 19:21:15 -08:00
Nikolaj Bjorner
ab199dedf9 debug arith/mbi 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-11-02 12:13:19 -08:00
Nikolaj Bjorner
91511f73a0 fix #4744 2020-10-29 15:09:13 -07:00
Nikolaj Bjorner
e962deb557 remove also second hash-table for ALIVE_OPT #4747 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-10-27 00:12:34 -07:00
Nikolaj Bjorner
8d76470a8a fixes to mostly solver arith/euf and backtracking scopes 2020-10-26 11:06:41 -07:00
Nikolaj Bjorner
1ee2ba2a9b mbqi 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-10-26 11:06:40 -07:00
Nikolaj Bjorner
72d407a49f
mbp (#4741) 
* adding dt-solver

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* dt

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* move mbp to self-contained module

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* files

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* Create CMakeLists.txt

* dt

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* rename to bool_var2expr to indicate type class

* mbp

* na

* add projection

* na

* na

* na

* na

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* deps

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* testing arith/q

* na

* newline for model printing

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-10-21 15:48:40 -07:00
Nikolaj Bjorner
44679d8f5b
arith_solver (#4733) 
* porting arithmetic solver

* integrating arithmetic

* lp

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-10-16 10:49:46 -07:00
Lev Nachmanson
4e74c4cdd4
perf in branching (#4719) 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-09-29 22:05:16 -07:00
Nikolaj Bjorner
a216bee647 updated notes, fixes to dual solver 2020-09-29 13:43:50 -07:00
Nikolaj Bjorner
367e5fdd52
delay internalize (#4714) 
* adding array solver

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* use default in model construction

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* debug delay internalization

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* bv

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* arrays

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* get rid of implied values and bounds

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* redo egraph

* remove out

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* remove files

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-09-28 19:24:16 -07:00
Lev Nachmanson
25724401cf
Perf branch (#4710) 
* avoid creating rows with  all but one fixed columns

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

* pb

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

* once in a while flip bounds of boxed variables during move_nbasic_to_bounds

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

* flip rarely

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

* flip rarely

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

* flip rarely

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

* return an empty model when lar_solver is not ready

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

* randomly change bounded base var on demand only

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

* randomly change bounded base var on demand only

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-09-25 17:47:29 -07:00
Nikolaj Bjorner
43db7df2b5
user solver (#4709) 
* user solver

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-09-24 04:55:34 -07:00