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15398 commits 49 branches 53 tags 182 MiB
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1411 commits

Author SHA1 Message Date
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
Nuno Lopes
2f33bafd5a stopwatches: fix a few places that would call start/stop multiple times 2019-02-21 14:59:31 +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
2138a5232f fix #2142 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-19 10:16:50 +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
0aafa8b7ce optimize binary output 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-18 15:52:42 +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
f84de9400e also deal with initializing boolean variables in smt context 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-15 17:58:26 -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
5cdfa7cd1c variations on unit-walk 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-13 17:43:15 -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
72b220e84a import improvements to lookahead 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-11 13:28:13 -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
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
d2d42f9810 fix #2127 fix #2128 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-09 08:23:22 -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
c6a7dc7b44 formatting 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-06 20:05:45 +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
6c464f8aec add assert_and_track to optimize for #2116 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-01 14:59:36 -08:00
Nikolaj Bjorner
e07f0c0284 tune generation of drat files, add helpful binary clause in lookahead simplification 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-01 13:35:54 -08:00
Nikolaj Bjorner
7fa9768c36 improving drat output perf 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-02-01 09:16:46 -08:00
Nikolaj Bjorner
1e90be62bc fix drat for lookahead, fixes for binary drat format 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-31 14:58:51 -08:00
Nikolaj Bjorner
35eb21bc35 fix extraction of trail 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-30 09:06:41 -08:00
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
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
d3d392da41 adding maxlex, delay mk_true() calls in goal2sat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-24 21:36:40 -08:00
Nikolaj Bjorner
ad81fee118 adding maxlex, throttle use of asymmetric literal addition 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-24 19:26:44 -08:00
Nikolaj Bjorner
8da1d6070b throttle big-reductions #2101 #2098 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-24 14:00:56 -08:00
Nikolaj Bjorner
498864c582 adding dump facility for cancelation #2095, easing dimacs in/out 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-24 12:21:23 -08:00
Nikolaj Bjorner
f7746e2284 address perf #2098 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-23 16:58:00 -08:00
Nikolaj Bjorner
412eee0dac throttle number of rounds of ba simplification 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-22 18:12:39 -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
65bd427e46 neatify statistics 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-14 16:48:48 -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
b11ec3bfbf merge sat_tactic from csp 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-14 15:17:42 -08:00
Nikolaj Bjorner
a686aa7f56 produce binary clauses for DRAT for units produced by probing 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-14 10:56:10 -08:00
Nikolaj Bjorner
dc5e4ca1c5 fix drat generation in asymmetric branch simplification 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2019-01-12 13:19:09 -08:00