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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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12
src/sat/sat_solver.cpp
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@ -3053,6 +3053,12 @@ namespace sat {
return r;
}
// -----------------------
//
// Extraction of mutexes
//
// -----------------------
lbool solver::find_mutexes(literal_vector const& lits, vector<literal_vector> & mutexes) {
literal_vector ps(lits);
m_user_bin_clauses.reset();
@ -3111,6 +3117,12 @@ namespace sat {
}
}
// -----------------------
//
// Consequence generation.
//
// -----------------------
lbool solver::get_consequences(literal_vector const& asms, bool_var_vector const& vars, vector<literal_vector>& conseq) {
literal_vector lits;
lbool is_sat = check(asms.size(), asms.c_ptr());