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14792 commits 23 branches 48 tags 157 MiB
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1135 commits

Author SHA1 Message Date
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
Lev Nachmanson 1e7998f03a
no big nums in patching (#4705) 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-09-23 08:46:41 -07:00
Nikolaj Bjorner 1e6d2fbbdc debugging cuts 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-09-21 20:02:12 -07:00
Nikolaj Bjorner e46ad45968 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-08-24 02:20:30 -07:00
Nikolaj Bjorner c13e3ce693 fix #4640 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-08-17 08:38:07 -07:00
Nikolaj Bjorner df8b14d77c fix #4641 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-08-17 08:35:59 -07:00
Nikolaj Bjorner c41abf2241 fix #4624 #4633 #4632 #4631 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-08-13 08:36:16 -07:00
Nikolaj Bjorner 84390575e2 fix #4624 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-08-12 10:15:09 -07:00
Lev Nachmanson fb035c0634 fixed a but with insertion of a null vertex 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-07-31 16:59:57 -07:00
Nikolaj Bjorner 02084dc95b misc 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-07-31 01:21:24 -07:00
Nikolaj Bjorner 4039352837 add ability to touch variables for bound propagation 2020-07-30 10:20:17 -07:00
Nikolaj Bjorner c7704ef9af pass algebraic manager to arith-plugin mk-numeral because rational check may overwrite the argument using the current manager deals with crash as part of #4532 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-07-26 17:52:28 -07:00
Nikolaj Bjorner 71a32f5bb2 remove unused 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-07-22 11:38:27 -07:00
Nuno Lopes b7caabbd0f fix crashes with MSVC 2019 2020-07-14 13:14:44 +01:00
Nuno Lopes bb26f219fe remove unneeded constructors (last round) 2020-07-12 17:41:57 +01:00
Nikolaj Bjorner d0e20e44ff booyah 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-07-04 15:56:30 -07:00
Lev Nachmanson 62b9630c4b remove unicode from hnf_cutter.h 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-07-04 09:33:45 -07:00
Lev Nachmanson 7a4eed0216 add comments to hnf_cutter 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-07-04 09:33:45 -07:00
Lev Nachmanson 49e49d6bb6 add comments to hnf_cutter 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-07-04 09:33:45 -07:00
Lev Nachmanson 80a4da9b1d add comments to hnf_cutter 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-07-04 09:33:45 -07:00