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Code Activity
12984 commits 65 branches 52 tags 179 MiB
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174 commits

Author SHA1 Message Date
Mathias Soeken
4d0519fe3c Initial NPN3 finder with MUX and MAJ finder. 2020-02-27 11:13:24 -08:00
Nikolaj Bjorner
dd3e77107e rename aig_simplifier to cut_simplifier 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-18 18:29:59 -08:00
Nikolaj Bjorner
d4d3971ecd add LUT finder 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-04 09:59:01 -08:00
Nuno Lopes
d79692b185 remove unused file & hide a few symbols 2020-01-31 17:13:28 +00:00
Nikolaj Bjorner
93d1091ad9 bcd 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-16 20:37:22 -08:00
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
ca243428f8 make cutset maintainance incremental, expose option for goal2sat to populate aig 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-01-08 16:39:49 -08:00
Nikolaj Bjorner
57846e50fa use variable id as level, separate cut-set updates, add missing reset in pdd 2020-01-08 02:15:45 -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
5dfe4a4b48 ensure relevancy isn't increased between calls 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-11-23 15:42:44 -08:00
Nikolaj Bjorner
604e6b2705 fix #2418, change types in sat_solver to avoid cast 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-07-24 11:52:28 -07:00
Nikolaj Bjorner
41ca956012 expose import model converter over Python, document it, add partial order axioms for lex, disable linear order axioms, prepare ground for re-adding clauses from reconstruction stack 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-07-18 13:45:13 -07:00
Nikolaj Bjorner
cd93cdd819 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-07-09 07:40:29 +01:00
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
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
3548057bd1 fix detection of arithmetic operations 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-20 14:00:05 +01:00
Nikolaj Bjorner
caa15ea04d enable cardinality constraints in nla2bv 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-19 18:17:07 +01:00
Nikolaj Bjorner
89bf2d4368 add API for setting variable activity 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-15 12:05:24 -08:00
Nikolaj Bjorner
eec1da5a15 move restart test to after propagation, clean up drat generation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-12 15:49:12 -08:00
Nikolaj Bjorner
6d893e0599 revise unit walk 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-11 13:16:17 -08:00
Nikolaj Bjorner
22783a4bcb import more from csp 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-11 13:09:28 -08:00
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
c9ffe7417c mark destructors virtual 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-07 07:55:17 +01:00
Nikolaj Bjorner
d04e72819a abstract solver API 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-06 19:42:01 +01:00
Nikolaj Bjorner
8d20310758 adding trail/levels 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-29 14:45:51 -08:00
Nikolaj Bjorner
58f5531cff fix #2114 introduced while working on #2095 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-29 08:18:03 -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
ed7cac8cc0 neatify logging 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-14 16:42:13 -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
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
3c1c3d5987 fix #1908 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-10-30 14:15:29 -05:00
Nikolaj Bjorner
5b51e69137 fix #1874 by removing nnf.skolemize option 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-10-14 18:17:34 -07:00
Nikolaj Bjorner
f5fea8ae30 add parameter to force sat-cleaning on initialization and on simplification phases 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-10-11 22:05:04 -07:00
Bruce Mitchener
489582f7fa Remove unused sat_par files. 
These look like they were replaced by `sat_parallel` files and
aren't currently built or used.
 2018-10-02 09:19:14 +07:00
Nikolaj Bjorner
1918395f0e fix bug in sat-solver where frozen clauses get re-attached 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-07-05 12:19:03 -07:00
Nikolaj Bjorner
2aedaf315a fix removal bug, tune all-interval usage 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-09 16:32:38 +01:00
Nikolaj Bjorner
13b54f379c fix ema 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-05 13:58:47 +02:00
Nikolaj Bjorner
43403fafcd adding ema 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-05-03 13:23:59 -07:00
Nikolaj Bjorner
f525f43e43 merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-04-30 09:30:43 -07:00
Nikolaj Bjorner
859c68c2ac merge with opt 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-04-30 08:27:54 -07:00
Nikolaj Bjorner
e940f53e9c n/a 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-04-30 07:57:33 -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
a954ab7d8d flip literals in ATEs produced using RI 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-04-06 08:38:01 -07:00
Nikolaj Bjorner
c513f3ca09 merge with master 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-03-25 14:57:01 -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
Bruce Mitchener
76eb7b9ede Use nullptr. 2018-02-12 14:05:55 +07:00
Nikolaj Bjorner
b2bd4dd3b4 fix #1471 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-02-05 18:54:14 -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
Nikolaj Bjorner
ede12553f2 fix learned annotation on ternary 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-01-30 03:31:28 -08:00