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better encodings for at-most-1, #755

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-10-10 23:46:03 -07:00
parent 5d9820f3e2
commit 8d2b70a5e2
17 changed files with 232 additions and 253 deletions
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5
src/smt/smt_kernel.h
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@ -132,6 +132,11 @@ namespace smt {
lbool get_consequences(expr_ref_vector const& assumptions, expr_ref_vector const& vars,
expr_ref_vector& conseq, expr_ref_vector& unfixed);
/*
\brief find mutually exclusive variables.
*/
lbool find_mutexes(expr_ref_vector const& vars, vector<expr_ref_vector>& mutexes);
/**
\brief Return the model associated with the last check command.
*/