mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-22 08:35:31 +00:00
Code Activity
12560 commits 23 branches 48 tags 157 MiB
Commit graph

12560 commits

This branch
This branch
All branches
Author SHA1 Message Date
Lev Nachmanson
6bc5400c5d add deps from fixed vars 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
e17214c1c2 return the minimal dependencies for the case of a fixed to zero var in pdd_expr() 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
379a1927e6 fix a bug in nexvar() 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
f0b530b0e4 experiment with substituting zeros in Horner&Grobner 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
45c0f2225c allow unlimited number of Grobner calls 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
b577544830 make grobner quota a parameter 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
06203d227e cleanup the grobner config init 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
f2884088cc add quota to Grobner 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
7ad95aa5d2 Nikolaj fixes pdd_manager::reduce() to work with the changed order 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
00e1049ff2 move some grobner settings to pdd_solver.m_config 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
bb6511b425 add parameters to control grobner's explosure 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
7a2dc6e69e disable pdd_solver::invariant() 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
d9af0b1a01 Nikolaj implemented lm_lt on dd::pdd 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
d6a246777a Nikolaj implemented lm_lt on dd::pdd 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
d1e9998332 add a config parameter to grobner 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
cca19ef1a7 unit tests for dd_pdd ordering 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
61da9a8aeb test the new order on pdd 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
ec1b14a2f0 fix a bug in gt_on_powers_mul_same_degree() 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
35efc91aff fix a bug in gt_on_powers_mul_same_degree() 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
2b7393778e apply hardcoded thresholds 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
976f10c613 rebase with Z3Prover 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
a83425bec6 clean up a trace statement 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
11995e58f4 clean up a trace statement 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
20af3dd675 add options to substitute vars in Horner and Grobner 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
8596fb2ae6 cleaner code in add row to gb 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
ca9ed38ff5 add dependencies only for fixed variablse in add_row_to_pdd_grobner() 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
8ed22c77aa merge changes from no_deps_gb branch 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
a67f0bbb46 fix in the interval calculations 
Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
496a8c17aa remove nex grobner 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
2334ed5b66 disable nex grobner 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
f4165fe5cf avoid a warning and rebase with Z3Prover 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
d310ae9060 rebase with Z3Prover 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Nikolaj Bjorner
7eac995824 misc fixes to grobner state (#109) 
* fixes to use list bookkeeping

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

* fix reset logic

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

* fix non-termination bug in simplifier

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

* missing reset of values

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

* add configuration to throttle memory usage

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

* fix misc. invariant violations

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

* multiple linear constraints seem to be violated

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-28 10:04:21 -08:00
Nikolaj Bjorner
a9a602c1aa memory throttling (#108) 
* fixes to use list bookkeeping

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

* fix reset logic

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

* fix non-termination bug in simplifier

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

* missing reset of values

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

* add configuration to throttle memory usage

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
361964f173 fix arith errors add_row for nex grobner 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Nikolaj Bjorner
c5187902ad reset also m_values (#107) 
* fixes to use list bookkeeping

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

* fix reset logic

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

* fix non-termination bug in simplifier

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

* missing reset of values

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
e8f29b3144 fix init for nex_grobner() 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
c6e5d434b2 create scalars for fixed variables in rows for grobner 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
279bcb733d expose grobner statistics 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
83fa083def expose grobner statistics 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Nikolaj Bjorner
f212ba97de non-termination fix (#106) 
* fixes to use list bookkeeping

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

* fix reset logic

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

* fix non-termination bug in simplifier

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-28 10:04:21 -08:00
Nikolaj Bjorner
014e5158c0 fix reset (#105) 
* fixes to use list bookkeeping

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

* fix reset logic

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
9ae9877353 update stats in check_pdd_eq() 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
407c8a60db reverse the order of vars for pdd_grobner, use pdd_grobner.reset() 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
b5364b787c set level2var for m_pdd_manager of pdd_grobner 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
c152660911 add a call m_pdd_manager.set_level2var() 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
0bb29bca69 change core::get_var_weight() to return unsigned, remove some warnings from test/lp/lp.cpp 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
1cc5935953 call m_pdd_grobner.reset() 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
a922328358 integrate with Z3Prover 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson
b9f74db14c hook up pdd_grobner 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00