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Fix unsound handling of upper bounds in wmax, thanks to Patrick Trentin for report and careful repros #847

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-01-15 11:52:48 -08:00
parent bc6b3007de
commit 7df803c131
5 changed files with 44 additions and 47 deletions
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6
src/sat/sat_solver.h
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@ -184,11 +184,9 @@ namespace sat {
void mk_bin_clause(literal l1, literal l2, bool learned);
bool propagate_bin_clause(literal l1, literal l2);
clause * mk_ter_clause(literal * lits, bool learned);
void attach_ter_clause(clause & c, bool & reinit);
void attach_ter_clause(clause & c) { bool reinit; attach_ter_clause(c, reinit); }
bool attach_ter_clause(clause & c);
clause * mk_nary_clause(unsigned num_lits, literal * lits, bool learned);
void attach_nary_clause(clause & c, bool & reinit);
void attach_nary_clause(clause & c) { bool reinit; attach_nary_clause(c, reinit); }
bool attach_nary_clause(clause & c);
void attach_clause(clause & c, bool & reinit);
void attach_clause(clause & c) { bool reinit; attach_clause(c, reinit); }
unsigned select_watch_lit(clause const & cls, unsigned starting_at) const;