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12286 commits 23 branches 48 tags 157 MiB
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2678 commits

Author SHA1 Message Date
Lev Nachmanson 8eaa2bfb02 sort nla_expr 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 97ef190f4f full recursion on horner, not finished 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 73e63e1ad9 fix a bug in nla_intervals 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 8258e2a8fd generate lemmas from nla_intervals 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 6a6cb3822c before getting explanations for monomials upper and low bounds 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 9c18ede687 hook up nla_solver it lp bound propagation 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 33cbd29ed0 mv util/lp to math/lp 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson b6513b8e2d fix the merge 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson df5f3f9722 debug tangent lemmas 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson e49dbbe465 fix ordered lemma 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 54ba889b7b debug order lemma, introduce sign for factors 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 218e155603 fix feasibility tracking in lar_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Nikolaj Bjorner e234bede4c fixes (#96) 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson b32f2703d4 fix in emonomials 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 8cdf754990 debug emons 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson be5170fc3b hook up more lp_params 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson c9f2f6f110 Forgotten file 2020-01-28 10:04:21 -08:00
Lev Nachmanson a323eaf1c8 add some nla statistics generate not more than one pl lemma an a rm monomial 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 09152013b3 var_eqs compiles but broken 2020-01-28 10:04:21 -08:00
Lev Nachmanson 0dcebde060 replace s() to lp() it theory_lra 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 1abb109faf move the indices housekeeping from theory_lra to lar_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 76e1aeb2bb move the indices housekeeping from theory_lra to lar_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 63e62ec1bb stronger lemmas to avoid branching 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson b2943c34f1 create class lemma 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 34137cfa0a a bug fix in internalize_atom, by NB 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev 9aca3bc239 change the signature of nla_solver::check() to accept lemma and explanation as vectors 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev 0d5ca4edfe more efficient sign lemma 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev 3192db64a1 Nikolaj's changes is mk_eq 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev f3f9372eac fixes after the rebase 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev 54f447d118 change the signature of int_solver::check by adding explanation* parameter 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev 23a7e5e302 a bug fix for handling infeasibilities created in add_var_bound() 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev 2993453798 remove explanation.reset() and fixes in add_var_bound() 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 1d51c5689e roll back add_var api 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev 4fa38b5aa2 process conflicts immediately aftep add_var_bound() 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev c9be7b89c1 change the add_var_bound() signature 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev 1c8f28c2e9 check m.canceled() more often 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev efeeabe127 check the lar_solver status more often 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson c95f2a5bc6 Nikolaj's fix for constants 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev ca5666cabd add diagnostics for registering vars in lar_solver 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev 025e4b90ca add a constant to the context trail 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev fde1cd23d5 small changes 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson c1e0c79a69 integrating Nikolaj's changes 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 1ed9639898 Nikolaj's changes 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev ee2aed38e8 switch pos ( sign) when creating literals for EQ and NE 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Nikolaj Bjorner 545bfff827 take coefficient into account (#87) 
* take coefficient into account

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

* take coefficient into account

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-28 10:04:21 -08:00
Lev a82316a172 rebase with z3prover 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev d301a9c403 rebase with z3prover 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev 96aaa8638e rename niil to nla 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev 56ae577c97 rename the files 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev c09c944922 rebase with upstream 
Signed-off-by: Lev <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00