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6879 commits 43 branches 51 tags 169 MiB
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165 commits

Author SHA1 Message Date
Nikolaj Bjorner
2033e649b5 fix bugs related to use of lookahead equivalences and encoding of pb constraints 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-05-15 09:33:27 -07:00
Nikolaj Bjorner
b915f78281 merge with master 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-05-07 17:05:57 -07:00
Nikolaj Bjorner
21cda27f5e fix quadratic behavior of extract_assumptions 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-05-02 15:57:31 -07:00
Nikolaj Bjorner
ed0b2be618 fix bug in tracking levels of variables: levels are not cleared, only truth assignment 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-05-02 14:10:07 -07:00
Nikolaj Bjorner
f9105edb14 revert to native chunker 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-05-01 15:22:52 -07:00
Nikolaj Bjorner
d14f2af5ae deal with subtraction that manages to sneak in. Issue #996 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-05-01 15:22:06 -07:00
Nikolaj Bjorner
d6e2e1f28f Merge branch 'master' of https://github.com/Z3Prover/z3 2017-04-30 11:28:26 -07:00
Nikolaj Bjorner
aff02ca905 include 'stopwatch.h' to avoid ODR warnings, #994 2017-04-30 11:28:11 -07:00
Nikolaj Bjorner
5fcbf55216 Merge branch 'master' of https://github.com/Z3Prover/z3 2017-04-30 10:23:05 -07:00
Nikolaj Bjorner
2c208e1d10 Sat update 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-04-30 10:23:00 -07:00
Nikolaj Bjorner
fa868e058e fix bound bug #991 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-04-29 17:39:02 -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
8032217fd1 tuning and fixing consequence finding, adding dimacs evaluation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-04-26 13:53:37 -07:00
Nikolaj Bjorner
dedc130e98 Merge branch 'master' of https://github.com/Z3Prover/z3 2017-04-25 10:30:16 -07:00
Nikolaj Bjorner
34acaa8f56 update license for space/quotes per #982 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-04-24 13:34:10 -07:00
Nikolaj Bjorner
d052155f6e parallelizing ccc 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-04-23 14:46:46 -07:00
Nikolaj Bjorner
86a54dfec8 debugging ccc 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-04-21 08:18:25 -07:00
Nikolaj Bjorner
e65f106a83 ccc 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-04-19 08:59:49 -07:00
Nikolaj Bjorner
a3f4d58b00 use lookahead for simplification 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-04-18 16:58:56 -07:00
Nikolaj Bjorner
352f8b6cb9 fixing local search 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-04-17 13:04:57 -07:00
Nikolaj Bjorner
ec29a03c8f add facility to dispense with cancellation (not activated at this point). Address #961 by expanding recurisve function definitions that are not tautologies if the current model does not validate 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-04-07 21:22:38 -07:00
Nikolaj Bjorner
2afd45b3c2 working on lookahead 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-27 04:53:27 +02:00
Christoph M. Wintersteiger
0399e5e2d3 Fixed variable initialization warning 2017-03-24 14:49:24 +00:00
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
ac59e7b6d3 enable multiple local search threads 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-06 11:48:23 -08:00
Nikolaj Bjorner
cd4a2701db adding ability to ahve multiple local search threads 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-06 10:48:58 -08:00
Nikolaj Bjorner
fda5809c89 local search updates 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-05 14:40:58 -08:00
Nikolaj Bjorner
c6f943e4d6 updates to local search integration 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-02 11:23:06 -08:00
Nikolaj Bjorner
40df1949f5 tweaking local search 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-02 10:18:12 -08:00
Nikolaj Bjorner
2c7a978c16 debugging local 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-01 20:37:07 -08:00
Nikolaj Bjorner
59baaea219 integrating local search, supporting top-level inequalities 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-03-01 19:49:59 -08:00
Nikolaj Bjorner
fb4f6d654a add local search parameters and co-processor mode 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-27 23:35:50 -08:00
Nikolaj Bjorner
31c68b6e23 updates 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-27 23:19:58 -08:00
Nikolaj Bjorner
88e7c240b7 working on lookahead 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-27 10:59:59 -08:00
Nikolaj Bjorner
2885ca7714 tune cardinalities 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-19 11:35:31 -08:00
Nikolaj Bjorner
42deeb3498 testing lookahead 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-12 11:49:07 -08:00
Nikolaj Bjorner
690689424d fix parallel solving bugs 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-11 15:35:13 -05:00
Nikolaj Bjorner
8b4f3ac6f0 fix drat checker 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-10 18:04:54 -05:00
Nikolaj Bjorner
eaf845c2f4 updates 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-07 18:04:24 -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
54f2063c81 Merge branch 'opt' of https://github.com/nikolajbjorner/z3 into opt 2017-02-06 21:20:01 -08:00
Nikolaj Bjorner
61ade5e6cb tune cardinality solver for cache misses 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-06 20:57:08 -08:00
Nikolaj Bjorner
66089a7aef fix compiler errors and memory issue with drat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-06 16:09:46 -08:00
Nikolaj Bjorner
4831c45ad8 fix issues in par 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-06 13:38:07 -08:00
Nikolaj Bjorner
fe105d94a0 fixes to sat-par 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-06 12:00:35 -08:00
Nikolaj Bjorner
7aeaf11ee4 adding clause sharing to par mode 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-05 22:24:20 -08:00
Nikolaj Bjorner
15283e4e7c expose extension conflict resolution as plugin to sat solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-05 10:08:57 -08:00
Nikolaj Bjorner
5f70e4823d adding drat forward checking 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-03 22:41:40 -08:00
Nikolaj Bjorner
61341b8879 adding drat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-03 17:56:22 -08:00
Nikolaj Bjorner
0b711c5ef8 adding drat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-03 15:41:08 -08:00