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121 commits

Author SHA1 Message Date
Nikolaj Bjorner c21a2fcf9f sat solver setup 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-08-26 09:40:42 -07:00
Nikolaj Bjorner 85cb0293f5 fix #4541 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-06-24 20:26:59 -07:00
Nikolaj Bjorner 5f9973d8c4 fix #4508 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-06-07 16:28:53 -07:00
Nikolaj Bjorner 95a78b2450
updates to seq and bug fixes (#4056) 
* na

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

* fix #4037

* nicer output for skolem functions

* more overhaul of seq, some bug fixes

* na

* added offset_eq file

* na

* fix #4044

* fix #4040

* fix #4045

* updated ignore

* new rewrites for indexof based on #4036

* add shortcuts

* updated ne solver for seq, fix #4025

* use pair vectors for equalities that are reduced by seq_rewriter

* use erase_and_swap

* remove unit-walk

* na

* add check for #3200

* nits

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

* name a type

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

* remove fp check

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

* remove unsound axiom instantiation for non-contains

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

* fix rewrites

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

* fix #4053

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

* fix #4052

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-22 13:18:55 -07:00
Nikolaj Bjorner 9d759a187e fix #3643 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-01 00:19:05 -07:00
Nikolaj Bjorner d9032890e4 finish fix for #3631 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-31 23:03:45 -07:00
Nikolaj Bjorner b92d8aa00e finish fix for #3631 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-31 22:59:31 -07:00
Nikolaj Bjorner 1d6fb6352f fix #3631 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-31 21:00:52 -07:00
Nikolaj Bjorner 35c59e3ca0 fix #3558 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-31 16:47:40 -07:00
Nikolaj Bjorner e2cab00b1b fix #3583 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-30 17:37:57 -07:00
Nikolaj Bjorner e1fb74edc5 add ite-finder, profile 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-05 16:46:50 -08:00
Nikolaj Bjorner d27a949ae9 add anf and aig simplifier modules, cut-set enumeration, aig_finder, hoist out xor_finder from ba_solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-05 16:46:49 -08:00
Nikolaj Bjorner 40a4326ad4 add anf 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-05 16:46:49 -08:00
Nikolaj Bjorner c15764e06d remove verbose=0 instances #2507 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-08-21 21:40:51 +08:00
Nikolaj Bjorner 2bd8d3b485 fixes for input4/5 #2416 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-07-28 10:28:01 +08:00
Nikolaj Bjorner 53aded3198 fix #2416 exposed bugs: unsat-core extraction in combination with chronological backracking, equivalence elimination in combination with PB constraints 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-07-25 18:55:44 -07:00
Nikolaj Bjorner 8a0d79251e make sorting of soft constraints the same across implementations of std::sort 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-07-25 11:32:49 -07:00
Nikolaj Bjorner ca25e482e5 temporarily disable elim_pure 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-07-24 19:01:23 -07:00
Nikolaj Bjorner 185b01dd35 fix #2416 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-07-23 19:01:49 -07:00
Nikolaj Bjorner a9a26e5f2e review comments by Elffers 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-07-21 06:52:02 -07:00
Nikolaj Bjorner d17248821a include chronological backtracking, two-phase sat, xor inprocessing, probsat, ddfw 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-06-13 08:45:21 -07:00
Nikolaj Bjorner 93ee05648e add shortcuts for unit assertions, conflicts 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-11 10:56:36 -08:00
Nikolaj Bjorner 412eee0dac throttle number of rounds of ba simplification 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-22 18:12:39 -08:00
Nikolaj Bjorner e623f1e9c9 restoring clause sizes after deletion 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-12 01:01:49 -08:00
Nikolaj Bjorner 2aa7ccc4a9 hide bit-vector dependencies under seq_util 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-12-03 08:45:17 -08:00
Nikolaj Bjorner ec36a9c495 fix user push/pop with ba constraints 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-11-22 12:40:23 -08:00
Nikolaj Bjorner 2a6fa4af39 deal with compiler warnings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-10-31 16:30:42 -05:00
Nikolaj Bjorner ccca063e54 Merge branch 'master' of https://github.com/Z3Prover/z3 into csp 2018-10-21 12:26:53 -07:00
Florian Pigorsch 326bf401b9 Fix some spelling errors (mostly in comments). 2018-10-20 17:07:41 +02:00
Nikolaj Bjorner e9d615e309 merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-10-14 15:16:22 -07:00
Bruce Mitchener cdfc19a885 Use nullptr. 2018-10-02 09:11:19 +07:00
Nikolaj Bjorner 445546b684 fix gc 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-10 17:20:40 -07:00
Nikolaj Bjorner f53b7aaca2 fix none-case 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-04 15:46:10 -07:00
Nikolaj Bjorner 9ad17296c2 update parameters 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-03 17:22:48 -07:00
Nikolaj Bjorner c8730daea7 fix memory leak, add strengthening 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-03 16:56:07 -07:00
Nikolaj Bjorner c39d7c8565 updated resolvents 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-03 11:17:50 -07:00
Nikolaj Bjorner 85e7b18451 fix name to divisible, guard under smtlib2_compliant as sugguested in #1757 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-01 18:22:10 -07:00
Nikolaj Bjorner 43807a7edc adding roundingSat strategy 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-08-31 20:25:49 -05:00
Nikolaj Bjorner fed977b492 fix #1782 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-08-02 10:08:16 -07:00
Nikolaj Bjorner 3ae0ea8246 add circuit and unate encoding besides sorting option 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-07-06 21:09:13 -07:00
Nikolaj Bjorner a0af3383db fixes to bdd 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-06-14 17:25:18 -07:00
Arie Gurfinkel bbd917a0e6 Remove dead comment 2018-06-14 16:08:52 -07:00
Nikolaj Bjorner 29c2672407 fix bugs exposed by Nuno's PB example 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-06-07 21:43:37 -07:00
Nikolaj Bjorner bfac44f7ed fix build errors 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-01 09:15:53 -07:00
Nikolaj Bjorner a91d7a7189 fix build errors 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-01 09:05:20 -07:00
Nikolaj Bjorner f525f43e43 merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-04-30 09:30:43 -07:00
Nikolaj Bjorner 563f337997 testing memory defragmentation, prefetch, delay ate 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-04-27 17:59:03 +02:00
Nikolaj Bjorner 4b71bfc95d mac build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-03-20 19:19:42 -07:00
Nikolaj Bjorner e7d43ed516 fix pb rewriter 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-03-12 11:22:05 -07:00
Nikolaj Bjorner 75ba65a18a working on propagation with undef main literal 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-02-20 01:46:35 -08:00