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40 commits

Author SHA1 Message Date
Nikolaj Bjorner
c513f3ca09 merge with master
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-03-25 14:57:01 -07:00
Bruce Mitchener
76eb7b9ede Use nullptr. 2018-02-12 14:05:55 +07:00
Nikolaj Bjorner
8fb7fb9f98 add missing caching of PB/cardinality constraints, increase limit for compiling cardinalities to circuits
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-02-11 19:27:00 -08:00
Nikolaj Bjorner
4695ca16c8 perf improvements
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-02-10 11:43:33 -08:00
Nikolaj Bjorner
10894069b0 fix compiler error reported by Luca
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-02-07 13:19:40 -08:00
Nikolaj Bjorner
354c16454a fix bug in translation of pbeq into sat
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-02-03 22:19:25 -08:00
Nikolaj Bjorner
7b8101c502 fix bugs related to model-converter
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-01-17 12:25:24 -08:00
Nikolaj Bjorner
7afbf8165e snapshot
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-12-12 01:36:44 -08:00
Nikolaj Bjorner
1101c927c9 prepare for transitive reduction / hyper-binary clause addition
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-11-22 13:46:02 -08:00
Nikolaj Bjorner
da5c8c0667 update pb rewriter to be non-full on assertions
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-09-29 08:00:01 -07:00
Nikolaj Bjorner
ced2029ae9 local changes
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-09-25 16:37:15 -07:00
Nikolaj Bjorner
edb3569599 updates to sorting networks
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-09-23 22:36:19 -05:00
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
5752830f71 bug fixes
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-06-22 15:01:12 -07:00
Nikolaj Bjorner
7d245be4e1 enable exposing internal solver state on interrupted solvers
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-30 17:33:27 -07:00
Nikolaj Bjorner
77b2a015a2 rewrite pb
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-22 17:47:46 -07:00
Nikolaj Bjorner
f9f0b2221d bug fixes
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-22 14:27:34 -07:00
Nikolaj Bjorner
71eb7e81b5 bug fixes
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-22 12:52:53 -07:00
Nikolaj Bjorner
d1fec7c029 bug fixes
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-21 15:39:05 -07:00
Nikolaj Bjorner
c49550ff2d enable pb solver
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-05-07 18:03:38 -07:00
Nikolaj Bjorner
aedabfff7a disable newer pb encoding
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-04-27 11:24:30 -07:00
Nikolaj Bjorner
41e1b9f3fe gt encoding of pb constraints
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-04-16 12:07:16 +09:00
Nikolaj Bjorner
5f5819f029 fix xor handling, and defaults for cardinality
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-03-09 22:44:41 +01:00
Nikolaj Bjorner
b0a47ca897 disable pb sorting
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-03-02 08:11:38 -08:00
Nikolaj Bjorner
122a12c980 fix build on downlevel compilers
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-02-21 09:12:10 -08:00
Nikolaj Bjorner
98c5a779b4 add xor parity solver feature
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-02-20 16:55:00 -08:00
Nikolaj Bjorner
dc588b54f7 add sorting-based pb encoding in the style of minisat+
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-02-19 11:31:34 -08:00
Nikolaj Bjorner
b6b6035cfb tuning and fixing drat checker
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-02-07 16:50:39 -08:00
Nikolaj Bjorner
e9e0293d1a local updates
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-02-02 10:19:51 -08:00
Nikolaj Bjorner
7faa35ebdb fixing card
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-01-31 18:47:30 -08:00
Nikolaj Bjorner
8b7bafbd9f updates
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2017-01-30 21:23:53 -08:00
Nikolaj Bjorner
ff75f88c4f fix memory abuse in internalization in inc-sat-solver
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-10-31 22:25:58 +01:00
Nikolaj Bjorner
24fc19ed58 speed up consequence finding by avoiding local search whenver assumption level is reached during the initial phase
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-10-27 08:15:39 -07:00
Nikolaj Bjorner
da4289fadc fix unit tests for pb
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-10-25 20:47:48 -07:00
Christoph M. Wintersteiger
8c5c564d6c fixed initialization order warning in pb2bv_rewriter 2016-10-25 14:31:29 +01:00
Nikolaj Bjorner
fefd00aa49 fix sign of constant in pb constraint
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-10-24 20:28:56 -07:00
Nikolaj Bjorner
b82b53dc34 add handling of pseudo-boolean inequalities that use if-expressions over Booleans and arihmetic instead of built-in PB predicates
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-10-24 17:41:52 -07:00
Nikolaj Bjorner
6cf54a226e a more efficient encoding for pseudo-Boolean inequality constraints into bit-vectors
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-10-24 08:25:02 -07:00
Nikolaj Bjorner
3778048eb4 add bounded-int and pb2bv solvers to fd_solver, use sorting networks for pb2bv rewriter when applicable, hoist to pb2bv_rewriter module and remove it from the pb2bv_tactic
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-10-23 20:31:59 -07:00