Nikolaj Bjorner
|
21cda27f5e
|
fix quadratic behavior of extract_assumptions
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2017-05-02 15:57:31 -07:00 |
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Nikolaj Bjorner
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ed0b2be618
|
fix bug in tracking levels of variables: levels are not cleared, only truth assignment
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2017-05-02 14:10:07 -07:00 |
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Nikolaj Bjorner
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f9105edb14
|
revert to native chunker
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2017-05-01 15:22:52 -07:00 |
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Nikolaj Bjorner
|
d14f2af5ae
|
deal with subtraction that manages to sneak in. Issue #996
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2017-05-01 15:22:06 -07:00 |
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Nikolaj Bjorner
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d6e2e1f28f
|
Merge branch 'master' of https://github.com/Z3Prover/z3
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2017-04-30 11:28:26 -07:00 |
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Nikolaj Bjorner
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aff02ca905
|
include 'stopwatch.h' to avoid ODR warnings, #994
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2017-04-30 11:28:11 -07:00 |
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Nikolaj Bjorner
|
5fcbf55216
|
Merge branch 'master' of https://github.com/Z3Prover/z3
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2017-04-30 10:23:05 -07:00 |
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Nikolaj Bjorner
|
2c208e1d10
|
Sat update
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2017-04-30 10:23:00 -07:00 |
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Nikolaj Bjorner
|
fa868e058e
|
fix bound bug #991
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2017-04-29 17:39:02 -07:00 |
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Nikolaj Bjorner
|
8032217fd1
|
tuning and fixing consequence finding, adding dimacs evaluation
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2017-04-26 13:53:37 -07:00 |
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Nikolaj Bjorner
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dedc130e98
|
Merge branch 'master' of https://github.com/Z3Prover/z3
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2017-04-25 10:30:16 -07:00 |
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Nikolaj Bjorner
|
34acaa8f56
|
update license for space/quotes per #982
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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2017-04-24 13:34:10 -07:00 |
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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>
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2017-04-07 21:22:38 -07:00 |
|
Christoph M. Wintersteiger
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0399e5e2d3
|
Fixed variable initialization warning
|
2017-03-24 14:49:24 +00:00 |
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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 |
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Nikolaj Bjorner
|
bd0bd6052a
|
Merge branch 'master' of https://github.com/Z3Prover/z3
|
2017-02-02 10:19:21 -08:00 |
|
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
|
256a0e2d82
|
move exchange par
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
|
2017-02-01 12:12:26 -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
|
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
|
76bc4f0b38
|
refine parsat
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
|
2017-01-30 11:30:42 -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
|
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 |
|
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
|
189d449cff
|
fix generation of wcnf
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
|
2016-12-18 14:49:45 -08:00 |
|
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
|
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
|
3714e520be
|
fix performance bottlnecks: gc of literals walk through potentially huge watch-lists, avoid user-push/pop around calls to solver2tactic
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
|
2016-10-28 08:27:11 -07:00 |
|
Nikolaj Bjorner
|
ca309341c3
|
fixing cancellation code paths for inc_sat_solver
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
|
2016-10-27 22:07:46 -07:00 |
|
Nikolaj Bjorner
|
24fc19ed58
|
speed up consequence finding by avoiding local search whenver assumption level is reached during the initial phase
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
|
2016-10-27 08:15:39 -07:00 |
|
Nikolaj Bjorner
|
4bd83724dd
|
remove conflict on false disequality, introduced regression
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
|
2016-10-26 19:15:05 -07:00 |
|
Nikolaj Bjorner
|
e4d2c5867a
|
remove dead (and incorrect) code
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
|
2016-10-24 15:52:47 -07:00 |
|
Nikolaj Bjorner
|
d060359f01
|
add fd solver for finite domain queries
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
|
2016-10-18 22:34:34 -04:00 |
|
Nikolaj Bjorner
|
aec59e4ff7
|
add consequence finding to inc-sat-solver
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
|
2016-10-16 15:43:28 -04:00 |
|
Nikolaj Bjorner
|
8d2b70a5e2
|
better encodings for at-most-1, #755
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
|
2016-10-10 23:46:03 -07:00 |
|
Nikolaj Bjorner
|
619cce0a52
|
add mutex preprocessing to maxsat, add parsing functions to C++ API
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
|
2016-10-07 12:42:08 -07:00 |
|
Nikolaj Bjorner
|
f2b5c11d1c
|
add option for prettier proof printing, Issue #706
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
|
2016-08-20 03:52:45 -07:00 |
|
Nikolaj Bjorner
|
96e157e201
|
fix warnings for unused variables
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
|
2016-05-17 13:54:22 -07:00 |
|
Nikolaj Bjorner
|
00f3a1fe81
|
fix memory leak in SAT solver exposed by regression tests
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
|
2016-01-06 11:47:45 -08:00 |
|
Nikolaj Bjorner
|
aec5a38b14
|
fix memory leak in SAT solver exposed by regression tests
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
|
2016-01-06 11:44:55 -08:00 |
|
Nikolaj Bjorner
|
baee4225a7
|
reworking cancellation
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
|
2015-12-11 16:21:24 -08:00 |
|
Nikolaj Bjorner
|
9b3e242990
|
adding rlimit resource limit facility to provide platform and architecture independent method for canceling activities
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
|
2015-09-28 13:37:59 -07:00 |
|