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additional robustness check for incremental sat solver core when it recieves interpreted constants, added PB equality to interface and special handling of equalities to adddress performance gap documented in #755

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2016-10-25 20:32:13 -07:00
parent fefd00aa49
commit 461e88e34c
21 changed files with 430 additions and 84 deletions
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src/tactic/arith/bound_manager.h
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@ -36,6 +36,8 @@ private:
obj_map<expr, expr_dependency*> m_upper_deps;
ptr_vector<expr> m_bounded_vars;
bool is_disjunctive_bound(expr * f, expr_dependency * d);
bool is_equality_bound(expr * f, expr_dependency * d);
bool is_numeral(expr* v, rational& n, bool& is_int);
void insert_lower(expr * v, bool strict, numeral const & n, expr_dependency * d);
void insert_upper(expr * v, bool strict, numeral const & n, expr_dependency * d);
public: