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13761 commits 43 branches 51 tags 169 MiB
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129 commits

Author SHA1 Message Date
Nikolaj Bjorner
1ecc6a21fa na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-10 11:21:15 -07:00
Nikolaj Bjorner
30de76b529 add occurs check to other nla_basic lemmas 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-09 20:50:27 -07:00
Nikolaj Bjorner
4890c3ce31 fix #4230 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-09 18:49:00 -07:00
Nikolaj Bjorner
fdc87f286f
na (#4254) 
* remove level of indirection for context and ast_manager in smt_theory

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

* add request by #4252

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

* move to def

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

* int

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

* fix #4251

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

* fix #4255

* fix #4257

* add code to debug #4246

* restore new solver as default

* na

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

* fix #4246

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-09 17:40:02 -07:00
Lev Nachmanson
a34c5a9450 bail out on big rational numbers in nla monotone lemmas 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-04 14:21:48 -07:00
Lev Nachmanson
8921ed56b5 fix a bug in Horner heuristic 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-23 15:58:53 -07:00
Lev Nachmanson
5208b64a6b expose only necessary methods of lar_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-16 12:58:39 -07:00
Nikolaj Bjorner
21a31fcd26 add missing fixed propagations on negated integer inequalities 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-11 02:28:38 -07:00
Lev Nachmanson
29a857e258 fix the build 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-06 17:31:56 -07:00
Lev Nachmanson
c846902285 simplify patch_blocker() 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-06 17:31:56 -07:00
Lev Nachmanson
e90ff4b992 fix the patch of real vars 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-06 17:31:56 -07:00
Nikolaj Bjorner
c2e5cd78c8 change lar_terms to use column indices 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-06 12:13:59 -07:00
Nikolaj Bjorner
fddbac0f52 use tv for interfacing on get_term 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-05 02:42:00 -07:00
Lev Nachmanson
55329ea935 more fixes in patching of monomials 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-02 14:47:06 -07:00
Lev Nachmanson
0dc5bad6e4 fix in patching of monics 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-01 12:58:34 -07:00
Lev Nachmanson
ec1f449d34 avoid patching vars in powers 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-01 12:31:32 -07:00
Lev Nachmanson
c4416f822e add an assert 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-01 10:44:15 -07:00
Nikolaj Bjorner
65b2037ba2 add code review comments, add assertions (disabled for now) 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-01 04:07:59 -07:00
Nikolaj Bjorner
cc394f0fe9 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-01 03:42:13 -07:00
Lev Nachmanson
c76adfaf19 exit on success of patching 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-03-31 17:17:54 -07:00
Lev Nachmanson
086149f3f8 patch real columns when they are factors 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-03-31 16:50:02 -07:00
Lev Nachmanson
3e845010dd replace v by j in lp printouts 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-03-30 15:59:03 -07:00
Lev Nachmanson
9be7bda69a fix a bug in column patching 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-03-29 15:03:46 -07:00
Lev Nachmanson
7a950dd667 patch reals 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-03-29 15:03:46 -07:00
Lev Nachmanson
f5b62015fc change the return type of ival.var() to tv 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-03-25 19:43:55 -07:00
Nikolaj Bjorner
50db22b2b2 fix #3407 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-25 19:43:55 -07:00
Lev Nachmanson
38eca3b66a fixes in order lemmas and printing terms 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-03-25 19:43:55 -07:00
Nikolaj Bjorner
8a665e25ed reverting signed mon_eq, try to rely on canonization state during add/pop 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-25 19:43:55 -07:00
Nikolaj Bjorner
cc74dd6373 emonics 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-25 19:43:55 -07:00
Nikolaj Bjorner
e50082b484 add tv 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-25 19:43:55 -07:00
Nikolaj Bjorner
b14f5aab83 fix #3393 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-25 19:43:55 -07:00
Lev Nachmanson
146489ff14 fix the signs for factorns in tangent lemma 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-03-25 19:43:55 -07:00
Nikolaj Bjorner
4c5c17c7d8 fixes for #3376 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-25 19:43:55 -07:00
Nikolaj Bjorner
46c6a5492e fix assertion in emonics, exposed by #3318 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-25 19:43:55 -07:00
Lev Nachmanson
a6941a3e75 accept terms indices in core::explain_coeff_upper_bound() 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-03-25 19:43:55 -07:00
Lev Nachmanson
687c487746 accept terms indices in core::explain_coeff_upper_bound() 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-03-25 19:43:55 -07:00
Nikolaj Bjorner
919f687df6 expose settings, not all of core 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-25 19:43:55 -07:00
Nikolaj Bjorner
56584922e9 if it isn't used, it isn't templatized 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-25 19:43:55 -07:00
Nikolaj Bjorner
e8c3324c3f reduce number of redundant arguments and pointers 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-25 19:43:55 -07:00
Nikolaj Bjorner
44d2f6da6c fix #3261 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-25 19:43:55 -07:00
Lev Nachmanson
8af245a410 use a simpler encoding for term indices 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-03-25 19:43:55 -07:00
Nikolaj Bjorner
c68d15f441 build of template 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-25 19:43:55 -07:00
Nikolaj Bjorner
1aaf6d879f use same interval manager in pdd_interval as caller 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-25 19:43:55 -07:00
Nikolaj Bjorner
abc4c5962b fix #3269 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-25 19:43:55 -07:00
Nikolaj Bjorner
a7158772ad move to scoped intervals for memory management 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-25 19:43:55 -07:00
Lev Nachmanson
906d52ca1c accept term indices as columns in some lar_solver queries 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-03-25 19:43:55 -07:00
Lev Nachmanson
846a9fc25f consistent 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-03-25 19:43:55 -07:00
Lev Nachmanson
66dd93a035 fix a bug in nla_intervals - add explanations when getting intervals from a term 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-03-25 19:43:55 -07:00
Lev Nachmanson
0db112ef8f Update nla_core.cpp 2020-03-25 19:43:55 -07:00
Lev Nachmanson
697fd37d26 relax the literal check in theory_lra 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-03-25 19:43:55 -07:00