mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-24 01:25:31 +00:00
Code Activity
17991 commits 24 branches 48 tags 158 MiB
Commit graph

1427 commits

Author SHA1 Message Date
Nikolaj Bjorner
c2cbe72b64 sketch linear monomial propagation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-08-31 11:49:05 -07:00
Nikolaj Bjorner
38b131386d add stubs for monomial unit propagation 2023-08-30 17:21:48 -07:00
Nikolaj Bjorner
e8929041b8 fixing calls, signs 2023-08-22 09:29:12 -07:00
Lev Nachmanson
61a7c6b28d init m_literal_vec 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-08-21 17:11:55 -07:00
Lev Nachmanson
9aeaed8f53
Merge branch 'master' into nl_branches 2023-08-21 16:15:20 -07:00
Lev Nachmanson
9b672bc5cc remove tracking of bounds 2023-08-20 10:10:48 -07:00
Nikolaj Bjorner
5e3df9ee77
Arith min max (#6864) 
* prepare for dependencies

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

* snapshot

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

* more refactoring

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

* more refactoring

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

* build

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

* pass in u_dependency_manager

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

* address NYIs

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

* more refactoring names

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

* eq_explanation update

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

* add outline of bounds improvement functionality

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

* fix unit tests

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

* remove unused structs

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

* more bounds

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

* more bounds

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

* convert more internals to use u_dependency instead of constraint_index

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

* convert more internals to use u_dependency instead of constraint_index

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

* remember to push/pop scopes

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

* use the main function for updating bounds

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>

* remove reset of shared dep manager

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

* disable improve-bounds, add statistics

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

---------

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-08-19 17:44:09 -07:00
Lev Nachmanson
610313946d split free vars in nla 2023-08-18 12:36:14 -07:00
Lev Nachmanson
252a30e727
use param_ref in nla_solver (#6862) 
* use param_ref in nla_solver

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

* add parameters

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

* add parameters

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

* replace nla_setting by command line parameters

* delete nla_setting.h

---------

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
Co-authored-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-08-17 18:44:27 -07:00
Nikolaj Bjorner
51df7b75ce fix 6800 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-08-17 15:18:22 -07:00
Nikolaj Bjorner
33c35b0c31 fix #6851 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-08-13 14:49:25 -07:00
Nikolaj Bjorner
6366f8f6b2 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-08-13 14:05:07 -07:00
Lev Nachmanson
eb817f779d small change in factor to support TRACE 2023-08-11 12:04:08 -10:00
Lev Nachmanson
a932e596eb add a constructor from a variable to factor 2023-08-10 08:34:53 -10:00
Nikolaj Bjorner
a6ab0a7d49 formatting hygiene 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-08-08 13:50:49 -07:00
Lev Nachmanson
a7966dc436 remove an assert 2023-08-07 14:55:13 -10:00
Lev Nachmanson
858eebca82 more efficient column_is_fixed 2023-08-07 14:55:13 -10:00
Lev Nachmanson
0fbf8f92f5 delete remove_fixed_vars_from_base() from 
int_solver
 2023-08-07 14:55:13 -10:00
Nikolaj Bjorner
c3a373e225 format 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-08-07 14:55:13 -10:00
Lev Nachmanson
0c98c755ba new equality propagation scheme, etc 2023-08-07 14:55:13 -10:00
Nikolaj Bjorner
125787c458 remove dead code 2023-08-07 11:22:34 -07:00
Lev Nachmanson
f58b703ac5
u_set replaced by indexed_uint_set (#6841) 
* replace u_set by indexed_uint_set

* replace u_set by indexed_uint_set

* create insert-fresh and insert for indexed_uint_set to make use cases with non-fresh inserts easier

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

* update nightly to pull arm

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

* update nightly to pull arm

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

* fixing the build of lp_tst

* update nightly to pull arm

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

* replace u_set by indexed_uint_set

* replace u_set by indexed_uint_set

* fixing the build of lp_tst

* remove unnecessery call to contains() before
insert to indexed_uint_set

* formatting, no check for contains()
 in indexed_uint_set, always init m_touched_rows to nullptr

---------

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
Co-authored-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-08-03 16:01:27 -07:00
Nikolaj Bjorner
403340498c format 2023-07-31 19:41:11 -07:00
Nikolaj Bjorner
f0184c3fde update format and checker for implied-eq 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-07-27 13:21:45 -07:00
Lev Nachmanson
bfc37bd266 add to m_touched_rows only when bound 
propagation is required
 2023-07-17 08:00:01 -10:00
Lev Nachmanson
fd5902f76e relax an assertion in int_solver::patcher 2023-07-16 11:55:42 -10:00
Lev Nachmanson
144c9a7b82 restore the change_rows population in lar_solver 2023-07-15 10:09:48 -07:00
Lev Nachmanson
401ec04ec3
code cleaning around m_touched_rows of lar_solver (#6814) 2023-07-14 20:19:13 -07:00
Lev Nachmanson
9ae6c88e3f fix the build 2023-07-10 12:19:32 -07:00
Lev Nachmanson
1840fd17da Merge branch 'master' of https://github.com/z3prover/z3 2023-07-10 12:06:06 -07:00
Lev Nachmanson
e091a2e775 remove the line with clang-format off 2023-07-10 12:05:59 -07:00
THE Spellchecker
dc0887db5a
Typo Fixes (#6803) 2023-07-09 11:56:10 -07:00
Nikolaj Bjorner
28a0c2d18f Merge branch 'master' of https://github.com/z3prover/z3 2023-07-07 17:23:08 -07:00
Nikolaj Bjorner
5806869ae4 fix #6792, add scaffolding for type variables 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-07-07 17:22:56 -07:00
Lev Nachmanson
56b5492752 remove dead code 2023-07-07 15:05:17 -07:00
Lev Nachmanson
0fceb80e0f edit tracing, add lar_solver::column_is_feasible() 2023-07-07 11:48:21 -07:00
Lev Nachmanson
ff875c936f add TRACE stmts, more efficient remove from inf_heap 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-07-06 16:45:22 -07:00
Lev Nachmanson
4e327babda remove dead code 2023-07-06 15:07:26 -07:00
Lev Nachmanson
1c907e8d09 add a comment 2023-07-05 09:14:57 -07:00
Lev Nachmanson
e360de6d71 improve tracing and a small fix in 
lp_core_solver_base::make_column_feasible
 2023-07-04 13:23:56 -07:00
Lev Nachmanson
75897b7a2e a small change in trace feas 2023-07-04 11:38:10 -07:00
Lev Nachmanson
5ed2a82893
set clang format off for lp files (#6795) 
* adding // clang-format off

* set clang-format off at the beginning of  lp files

* set clang-format off

* remove dead code
 2023-07-03 17:35:16 -07:00
Lev Nachmanson
61948fa1ff find minimal deltas in patching 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-07-01 07:48:07 -07:00
Lev Nachmanson
f5d9ffaca1 clean up and add clang-format off 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-06-30 11:57:42 -07:00
Lev Nachmanson
30a2ced9aa
patching merge (#6780) 
* patching merge

* fix the format and some warnings

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

* a fix in the delta calculation

* test patching

* try a new version of get_patching_deltas

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

* remove dead code from lp_tst and try optimizing patching

* add comments, replace VERIFY with lp_assert

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

* cleanup

---------

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-06-27 17:53:27 -07:00
Nikolaj Bjorner
b2c035ea3f missing negation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-06-26 18:46:03 -07:00
Nikolaj Bjorner
7221c84156 fix #6783 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2023-06-25 21:21:06 -07:00
Lev Nachmanson
32ec02778e
use heap to track infeasible columns. (#6771) 
* use heap to track infeasible columns

* fix the formatting

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

---------

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-06-19 13:50:14 -07:00
Lev Nachmanson
1006955215
get cached tv value (#6756) 2023-06-08 19:46:38 -07:00
Lev Nachmanson
f7ec5c5c64
fix sort_non_basis (#6755) 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2023-06-08 13:08:09 -07:00