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First partially working pdr strategy in spacer

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This commit is contained in:
Arie Gurfinkel 2018-06-05 16:12:45 -07:00
parent ab5f579d0b
commit 521392a8f1
5 changed files with 95 additions and 17 deletions
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6
src/muz/spacer/spacer_pdr.h
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@ -35,7 +35,7 @@ class model_node {
unsigned m_depth; //
bool m_closed; // whether the pob is derivable
public:
model_node(model_node* parent, pob_ref &pob);
model_node(model_node* parent, pob* pob);
void add_child(model_node &kid);
expr *post() const {return m_pob->post();}
@ -43,7 +43,7 @@ public:
unsigned orig_level() const { return m_orig_level; }
unsigned depth() const { return m_depth; }
void increase_level() { m_pob->inc_level(); }
const pob_ref &pob() const { return m_pob; }
pob_ref &pob() { return m_pob; }
ptr_vector<model_node> const& children() { return m_children; }
pred_transformer& pt() const { return m_pob->pt(); }
model_node* parent() const { return m_parent; }
@ -66,7 +66,7 @@ public:
void set_closed() {m_closed = true;}
void set_open();
void reset() {m_children.reset();}
void reset_children() {m_children.reset();}
/// queue