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Code Activity
10621 commits 43 branches 51 tags 169 MiB
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341 commits

Author SHA1 Message Date
Nikolaj Bjorner
7399f78dfd disable model compression for regressions 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-03-03 12:40:59 -08:00
Nikolaj Bjorner
73060ecaec remove debug code 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-22 13:57:09 +01:00
Nikolaj Bjorner
bceff4b3fa Merge branch 'master' of https://github.com/z3prover/z3 2019-02-22 11:17:03 +01:00
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
Nuno Lopes
6598aedbb2 fix VS build, take 2 2019-02-21 15:52:52 +00:00
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
7fb2c6a908 turn off model validation unless specified by parameter 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-18 15:55:24 +01:00
Nikolaj Bjorner
c1402ad70f tone down verbosity of integrity checking 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-16 20:39:15 -08:00
Nikolaj Bjorner
39f73fa595 ensure that activity works for sat solver from cold state 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-15 16:56:55 -08:00
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
5fe40a25dc revise local search 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-11 13:14:20 -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
24dfdfe9bc disable fixes for #2128 and related as it breaks model evaluation time in regressions, set longer delay for inprocessing in sat solver, report stats 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-09 16:06:02 -08:00
Nikolaj Bjorner
d04e72819a abstract solver API 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-06 19:42:01 +01:00
Nikolaj Bjorner
08ce6f7ac1 working on binary drat format 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-30 08:54:59 -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
f2e636c598 record simplified input clauses as lemmas 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-16 16:37:21 -08:00
Nikolaj Bjorner
247980c5a2 don't assign already assigned literals 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-16 11:41:32 -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
3298486136 don't reach max conflicts if state is inconsistent 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-15 08:40:38 -08:00
Nikolaj Bjorner
5328454c77 const 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-15 08:37:23 -08:00
Nikolaj Bjorner
161c83795f remember inconsistent states when cloning 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-15 08:34:55 -08:00
Nikolaj Bjorner
f238460597 neatify statistics 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-14 16:45:04 -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
f835a3c2b2 revert assumption tracking choice in unit literals inferred from binary clauses 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-12 11:08:35 -08:00
Nikolaj Bjorner
e4d6aa07dc use vectors instead of hash-tables in dimacs serialization to avoid hash-table contention 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-12 11:05:00 -08:00
Nikolaj Bjorner
3c96b51e97 lvl -> _lvl 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-12 00:40:36 -08:00
Nikolaj Bjorner
0b8dbf2854 fixing drat proofs 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-12 00:30:21 -08:00
Nikolaj Bjorner
836f156d54 fix drat for units learned from binary clause resolution 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-12 00:12:20 -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
Bruce Mitchener
44bc00f13d Fix typos. 2018-12-23 21:58:57 -05:00
Nikolaj Bjorner
b0b6394c6c fixing #1971 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-12-21 17:10:37 -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
4d0bc8c8b3 ignore propagation on units 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-11-11 15:10:44 -08:00
Nikolaj Bjorner
719bc5cd5d merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-10-30 17:23:31 -05:00
Nikolaj Bjorner
3c1c3d5987 fix #1908 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-10-30 14:15:29 -05:00
Nikolaj Bjorner
ccca063e54 Merge branch 'master' of https://github.com/Z3Prover/z3 into csp 2018-10-21 12:26:53 -07:00
Michał Janiszewski
cfd0486582 Catch exceptions by const-reference 
Exceptions caught by value incur needless cost in C++, most of them can
be caught by const-reference, especially as nearly none are actually
used. This could allow compiler generate a slightly more efficient code.
 2018-10-16 19:16:07 +02:00
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
e9d615e309 merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-10-14 15:16:22 -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
Nikolaj Bjorner
46cdefac4d fix memory leak when cuber isn't run to completion. Found by Daniel Selsam 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-10-03 10:57:02 -07:00
Nikolaj Bjorner
9d0aa4d02d update empty cube case for sat/undef cases 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-10-01 20:22:02 -07:00
Bruce Mitchener
cdfc19a885 Use nullptr. 2018-10-02 09:11:19 +07:00
Nikolaj Bjorner
08c58ae614 make the unsat/sat verdicts from cubing produce empty clause and models respectively 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-10-01 15:52:22 -07:00
Nikolaj Bjorner
13abf5c6a6 n/a 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-09-06 17:49:52 -07:00
Nikolaj Bjorner
fed977b492 fix #1782 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2018-08-02 10:08:16 -07:00