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850 commits

Author SHA1 Message Date
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
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
e623f1e9c9 restoring clause sizes after deletion
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-01-12 01:01:49 -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
63d480fd92 fix cnf check
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-01-11 21:17:39 -08:00
Nikolaj Bjorner
b8d18c6c6d speed-up handling of cnf input to inc_sat_solver
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-01-11 20:52:19 -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
b12c1b1cba set a throttle on ala
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-01-10 13:38:45 -08:00
Nikolaj Bjorner
59b0b56b42 add checkpoints to blocked clause elimination to handle timeouts, #2080
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-01-10 12:08:38 -08:00