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This commit is contained in:
Nikolaj Bjorner 2020-05-07 11:04:24 -07:00
parent 54f38d004b
commit e459cf4cc1
2 changed files with 29 additions and 0 deletions
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src/smt/smt_induction.h
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@ -60,12 +60,15 @@ namespace smt {
typedef svector<std::pair<expr*,expr*>> expr_pair_vector;
typedef std::pair<expr_ref_vector, expr_ref> cond_subst_t;
typedef vector<cond_subst_t> cond_substs_t;
typedef std::pair<enode*, unsigned> induction_position_t;
typedef svector<induction_position_t> induction_positions_t;
bool viable_induction_sort(sort* s);
bool viable_induction_parent(enode* p, enode* n);
bool viable_induction_children(enode* n);
bool viable_induction_term(enode* p , enode* n);
enode_vector induction_positions(enode* n);
induction_positions_t induction_positions2(enode* n);
void mk_hypothesis_substs(unsigned depth, expr* x, cond_substs_t& subst);
void mk_hypothesis_substs_rec(unsigned depth, sort* s, expr* y, expr_ref_vector& conds, cond_substs_t& subst);
void mk_hypothesis_lemma(expr_ref_vector const& conds, expr_pair_vector const& subst, literal alpha);