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remove dead code

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2012-10-19 08:22:31 -07:00
parent b22fb74c5c
commit cadfb804c5
6 changed files with 37 additions and 187 deletions
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17
lib/pdr_util.h
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@ -194,10 +194,9 @@ class model_evaluator {
void reset();
void setup_model(model_ref& model);
void assign_value(expr* e, expr* v);
bool get_assignment(expr* e, expr*& var, expr*& val);
void collect(ptr_vector<expr> const& formulas, ptr_vector<expr>& tocollect);
void process_formula(app* e, ptr_vector<expr>& todo, ptr_vector<expr>& tocollect);
void prune_by_cone_of_influence(ptr_vector<expr> const & formulas, expr_ref_vector& model);
expr_ref_vector prune_by_cone_of_influence(ptr_vector<expr> const & formulas);
void eval_arith(app* e);
void eval_basic(app* e);
void eval_iff(app* e, expr* arg1, expr* arg2);
@ -230,7 +229,13 @@ protected:
public:
model_evaluator(ast_manager& m) : m(m), m_arith(m), m_bv(m), m_refs(m) {}
virtual void minimize_model(ptr_vector<expr> const & formulas, model_ref& mdl, expr_ref_vector& model);
/**
\brief extract equalities from model that suffice to satisfy formula.
\pre model satisfies formulas
*/
expr_ref_vector minimize_model(ptr_vector<expr> const & formulas, model_ref& mdl);
/**
\brief extract literals from formulas that satisfy formulas.
@ -239,12 +244,6 @@ public:
*/
expr_ref_vector minimize_literals(ptr_vector<expr> const & formulas, model_ref& mdl);
/**
\brief extract literals from formulas that satisfy formulas.
\pre model satisfies formulas
*/
expr_ref_vector minimize_literals(ptr_vector<expr> const & formulas, expr_ref_vector const & model);
// for_each_expr visitor.
void operator()(expr* e) {}