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36 commits

Author SHA1 Message Date
Nikolaj Bjorner
e0a41a18c3 add validation to aig_simplifier, start BIG-based masking
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-01-11 20:47:38 -08:00
Nikolaj Bjorner
a18d2a606b aig-simplifier: add root tracking, make incremental, split files
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-01-09 08:56:21 -08:00
Nikolaj Bjorner
63fc62fbe4 na
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-01-05 21:51:34 -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
2bee9a062f merge more from csp
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-06-12 20:24:37 -07:00
Nikolaj Bjorner
4c799c144a fix gc to not remove ternary clauses that are on assignment trail. This addresses issue with drat proofs that don't pass drat-trim due to deletion during gc, but use in conflicts
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-02-22 11:14:20 +01:00
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
e01a668da0 coordinate drat with clause removal
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-01-16 02:29:33 -08:00
Nikolaj Bjorner
6e60926cc3 fix drat output for elim_eqs
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-01-10 15:25:10 -08:00
Nikolaj Bjorner
528dc8a3f8 disable bdd variable elimination
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-03-31 17:05:22 -07:00
Nikolaj Bjorner
64954cc551 fix pbge and reduce_tr
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-03-13 09:07:58 -07:00
Nikolaj Bjorner
4c1379e8c9 bug fixes
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-02-19 21:49:03 -08:00
Nikolaj Bjorner
2739342aba fix updates to cce
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-01-30 23:41:04 -08:00
Miguel Angelo Da Terra Neves
2bb2ea59e9 merge
Signed-off-by: Miguel Angelo Da Terra Neves <t-mineve@microsoft.com>
2017-12-15 09:51:17 -08:00
Nikolaj Bjorner
6b258578f9 fix uninitialized variable m_gc_burst in config, have cuber accept and receive optional vector of variables indicating splits and global autarky as output
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-12-14 02:38:45 -08:00
Nikolaj Bjorner
209d31346b fix crash regression
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-12-13 18:03:25 -08:00
Nikolaj Bjorner
aeabdb4aae add checks for flipping externals / assumptions in model converter, fix scc converter bug
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-12-13 14:06:35 -08:00
Nikolaj Bjorner
b98c864d76 fixes to inprocessing code
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-12-01 18:06:26 -08:00
Nikolaj Bjorner
427b5ef002 set eliminated to false on literals used in clauses
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-11-30 11:20:19 -08:00
Nikolaj Bjorner
62e3906957 add options to perform transitive reduction and add hyper binary clauses
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-11-27 10:53:22 -08:00
Nikolaj Bjorner
ee6cfb8eef updates to simplifier
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-10-23 01:00:06 -04:00
Nikolaj Bjorner
8b32c15ac9 use clause structure for nary
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-10-10 11:49:31 -07:00
Nikolaj Bjorner
a0cd6e0fca adding outline for parallel tactic
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-10-09 16:47:23 -07:00
Nikolaj Bjorner
f85c02600f remove verificaiton code
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-10-08 16:07:58 -07:00
Nikolaj Bjorner
10e4235b4c bug fixes
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-10-08 14:35:31 -07:00
Nikolaj Bjorner
d6327d69d2 bug fixes
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-09-29 15:35:11 -07:00
Nikolaj Bjorner
651587ce01 merge with master branch
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-09-19 09:39:22 -07:00
Nikolaj Bjorner
b19f94ae5b make include paths uniformly use path relative to src. #534
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-07-31 13:24:11 -07:00
Nikolaj Bjorner
66f0de6785 added in-processing features to card/pb
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-06-25 16:26:47 -07:00
Nikolaj Bjorner
f253b20820 local changes
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-15 09:34:11 -07:00
Nikolaj Bjorner
8205b45839 initial integration of opt
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-04-27 19:13:00 -07:00
Nikolaj Bjorner
e47e8c67c0 introducing scoped detacth/attach of clauses to enforce basic sat solver invariants. Part of investigating #939:
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-03-22 14:12:47 -07:00
Nikolaj Bjorner
42deeb3498 testing lookahead
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-02-12 11:49:07 -08:00
Nikolaj Bjorner
8b4f3ac6f0 fix drat checker
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-02-10 18:04:54 -05:00
nikolajbjorner
0d9f949ab2 Fix memory smash on double free of clauses
Signed-off-by: nikolajbjorner <nbjorner@microsoft.com>
2015-02-23 10:28:32 -08:00
Leonardo de Moura
c66b9ab615 Reorganizing the code
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-10-20 15:30:42 -07:00
Renamed from lib/sat_elim_eqs.cpp (Browse further)