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19200 commits 49 branches 53 tags 182 MiB
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2129 commits

Author SHA1 Message Date
Nikolaj Bjorner
9ca52a3361 fix bug in lexicographic handling in maxres: previous assumptions were not committed in corner cases 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-02 10:19:11 -08:00
Nikolaj Bjorner
c21b860d4e local updates 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-01 18:04:08 -08:00
Nikolaj Bjorner
9cfd412cd0 enable pb theory always as pb terms can be introduced during transformations. Issue #884 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-01 15:28:29 -08:00
Nikolaj Bjorner
256a0e2d82 move exchange par 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-01 12:12:26 -08:00
Nikolaj Bjorner
cfff592a7f Merge branch 'master' of https://github.com/z3prover/z3 into opt 2017-02-01 12:09:31 -08:00
Nikolaj Bjorner
becce1d043 local 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-01 12:09:16 -08:00
Nikolaj Bjorner
669c018242 updates on cardinality solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-02-01 07:43:43 -08:00
Nikolaj Bjorner
d889fcdca6 fix translation of <= 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-31 19:26:54 -08:00
Nikolaj Bjorner
7faa35ebdb fixing card 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-31 18:47:30 -08:00
Nikolaj Bjorner
f015e3e4cc fix bug in propagation of parameters to combined solvers 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-31 17:17:58 -08:00
Nikolaj Bjorner
bdfa84c6fe fix issues with running parallel solver: random strategy should not be a default on all solvers. Also reuse base solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-31 13:22:03 -08:00
Nikolaj Bjorner
ff72e3114b Merge branch 'opt' of https://github.com/nikolajbjorner/z3 into opt 2017-01-31 06:46:06 -08:00
Nikolaj Bjorner
9f461dbe7b local 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-31 06:46:01 -08:00
Nikolaj Bjorner
c12ee4ea1a memory allocate 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-31 06:45:19 -08:00
Nikolaj Bjorner
b4dd2f07b2 testing card_extension 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-30 21:53:26 -08:00
Nikolaj Bjorner
8b7bafbd9f updates 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-30 21:23:53 -08:00
Nikolaj Bjorner
1a95c33775 Merge branch 'opt' of https://github.com/nikolajbjorner/z3 into opt 2017-01-30 18:42:53 -08:00
Nikolaj Bjorner
685fb5d7c4 preparing for cardinality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-30 18:42:39 -08:00
Nikolaj Bjorner
1d1949e395 ensure that parallel threads are only invoked when thread count > 1 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-30 18:30:06 -08:00
Nikolaj Bjorner
32b5e54c8d working on card extension 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-30 17:22:06 -08:00
Nikolaj Bjorner
92e2d920fd working on card for sat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-30 14:03:27 -08:00
Nikolaj Bjorner
76bc4f0b38 refine parsat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-30 11:30:42 -08:00
Nikolaj Bjorner
a412a554eb merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-30 09:39:23 -08:00
Nikolaj Bjorner
37ee4c95c3 adding parallel threads 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-30 02:09:08 -08:00
Nikolaj Bjorner
0123b63f8a experimenting with cardinalities 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-27 16:12:46 -08:00
Nikolaj Bjorner
962979b09c rework sat.mus to use restart count for bounded minimization 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-26 13:28:40 -08:00
Nikolaj Bjorner
4782e19086 fix bug in sat-simplifier decreasing heap values of variables that are not in the heap 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-25 16:21:51 -08:00
Nikolaj Bjorner
873d975c77 fix bug in consequence extraction: the order of bcp is not fixed between restarts, so the order of unit literals may not be preserved. This is relatively rare, so we optimize for the case where we assume bcp preserves order (and maybe miss some consequences) 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-17 13:41:15 -08:00
Nikolaj Bjorner
7df803c131 Fix unsound handling of upper bounds in wmax, thanks to Patrick Trentin for report and careful repros #847 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-15 11:52:48 -08:00
Nikolaj Bjorner
bc6b3007de remove unused features related to weighted check-sat 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-13 20:53:22 -08:00
Nikolaj Bjorner
c69a86e647 fix bug in antecedent collection for consequence finding: once an antecedent is set, it should not be cleared 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-06 19:34:50 -05:00
Christoph M. Wintersteiger
cb75a55095 Fixed initialization order warning. 2017-01-03 13:41:08 +00:00
Nikolaj Bjorner
74d3de01b3 enable incremental consequence finding with restart timeout 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2017-01-02 10:07:02 -08:00
Nikolaj Bjorner
a4d5c4a00a make get_consequence call skip check-sat if a model is already there 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-30 18:05:19 -08:00
Nikolaj Bjorner
aaf6e67ec8 add restart.max parameter to control cancellation based on restart count 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-25 17:43:47 -08:00
Nikolaj Bjorner
df492e200f merge 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-21 10:04:02 -08:00
Nikolaj Bjorner
8d18fd075e remove sources for unused variable warnings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-21 09:54:45 -08:00
Nikolaj Bjorner
189d449cff fix generation of wcnf 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-18 14:49:45 -08:00
Nikolaj Bjorner
d9227b95ea blast distinct in incremental BV solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-29 15:45:23 -08:00
Christoph M. Wintersteiger
1799310155 Fixed iterator invalidation bug in SAT probing. Relates to #798. 2016-11-26 14:07:05 +00:00
Nikolaj Bjorner
ea601dd403 fix and coallesce clique functionality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-19 03:55:48 -08:00
Christoph M. Wintersteiger
bfaa9ddf63 Fixed potential SAT solver cleanup problem. Renamed functions for consistency. Relates to #570. 2016-11-14 17:42:21 +00:00
Christoph M. Wintersteiger
520e868add Fixed interruption cleanup bug in sat_solver. Relates to #570. 2016-11-14 17:42:20 +00:00
Christoph M. Wintersteiger
d099e26342 Fixed compiler warning 2016-11-14 17:42:20 +00:00
Christoph M. Wintersteiger
890142ef96 Fix cleanup/initialization of sat::simplifier. Relates to #570. 2016-11-14 17:42:20 +00:00
Nikolaj Bjorner
e0613b6737 fix crash reported in #784 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-12 08:58:03 -08:00
Nikolaj Bjorner
f61600d1d8 fixing unsat core extraction for tactics 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-02 14:14:55 +00:00
Nikolaj Bjorner
305e080239 enable unsat core extraction in nlsat_tactic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-01 17:57:28 +01:00
Nikolaj Bjorner
84172302a2 fix bug in mutex extraction, reported by Patrick Trentin 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-01 00:16:16 +01:00
Nikolaj Bjorner
ff75f88c4f fix memory abuse in internalization in inc-sat-solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-31 22:25:58 +01:00