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15 commits

Author SHA1 Message Date
Christoph M. Wintersteiger
5716eaafed whitespace 2016-10-24 12:50:05 +01:00
Nikolaj Bjorner
77b245b3d8 fix proof production to avoid crash. Issue #733
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-09-17 17:29:19 -07:00
Nikolaj Bjorner
c746d46d80 add validation code, fix bugs in consequence finder
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-09-01 16:21:23 +08:00
Nikolaj Bjorner
491b3b34aa tune consequence finding. Factor solver pretty-printing as SMT-LIB into top-level
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-08-03 11:14:29 -07:00
Nikolaj Bjorner
7346098895 fix unsat core extraction code in smt_context
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-07-30 11:22:34 -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
ce8862d415 fix bug in conflict clause generation in seq-branch-variable
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2016-02-26 18:15:45 -08:00
Nikolaj Bjorner
fc592fc856 fix for #291. The root issue is that the set of antecedents is recycled as a fixed object between routines. Antecedents that were already allocated for a Gomory cut got reset by the internalizer. This causes unsound bounds axioms to be created
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-11-05 15:08:42 -08:00
Nikolaj Bjorner
d00d6a3506 enable Boolean propagation in AUFBV to fix inefficiency (bit-blasting destroys simplifications that are possible by simple Boolean propagation). Fixes issue #194
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-08-25 13:21:33 -07:00
Nikolaj Bjorner
911ffc370a separate MaxSMT functionality to enable using this independently (and incrementally) of overall context
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-02-16 09:11:28 +01:00
Nikolaj Bjorner
8141dadc89 break on small cores
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2015-02-08 10:22:06 +01:00
Nikolaj Bjorner
b80302cfb0 generalize guard in conflict resolution to handle non-equality binary predicates
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2014-01-13 13:41:47 -08:00
Leonardo de Moura
ffb7e26c75 removed front-end-params
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-12-02 10:05:29 -08:00
Leonardo de Moura
288a96610f ported VCC trace streams
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-12-02 09:08:47 -08:00
Leonardo de Moura
add684d8e9 checkpoint
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-10-21 13:32:12 -07:00
Renamed from lib/smt_conflict_resolution.cpp (Browse further)