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remove legacy solve_eqs_tactic entirely

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also, bug fixes to elim_unconstrained (elim_uncnstr2) which is to replace legacy tactic for eliminating unconstrained constants.
This commit is contained in:
Nikolaj Bjorner 2022-11-14 18:57:16 -08:00
parent 3f2bbe5589
commit 6297c001ee
23 changed files with 56 additions and 1203 deletions
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15
src/ast/simplifiers/elim_unconstrained.h
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@ -23,9 +23,9 @@ Author:
class elim_unconstrained : public dependent_expr_simplifier {
struct node {
unsigned m_refcount;
expr* m_term;
expr* m_orig;
unsigned m_refcount = 0;
expr* m_term = nullptr;
expr* m_orig = nullptr;
ptr_vector<expr> m_parents;
};
struct var_lt {
@ -52,11 +52,12 @@ class elim_unconstrained : public dependent_expr_simplifier {
bool is_var_lt(int v1, int v2) const;
node& get_node(unsigned n) { return m_nodes[n]; }
node const& get_node(unsigned n) const { return m_nodes[n]; }
node& get_node(expr* t) { return m_nodes[m_root[t->get_id()]]; }
node const& get_node(expr* t) const { return m_nodes[m_root[t->get_id()]]; }
node& get_node(expr* t) { return m_nodes[root(t)]; }
unsigned root(expr* t) const { return m_root[t->get_id()]; }
node const& get_node(expr* t) const { return m_nodes[root(t)]; }
unsigned get_refcount(expr* t) const { return get_node(t).m_refcount; }
void inc_ref(expr* t) { ++get_node(t).m_refcount; if (is_uninterp_const(t)) m_heap.increased(t->get_id()); }
void dec_ref(expr* t) { --get_node(t).m_refcount; if (is_uninterp_const(t)) m_heap.decreased(t->get_id()); }
void inc_ref(expr* t) { ++get_node(t).m_refcount; if (is_uninterp_const(t)) m_heap.increased(root(t)); }
void dec_ref(expr* t) { --get_node(t).m_refcount; if (is_uninterp_const(t)) m_heap.decreased(root(t)); }
void gc(expr* t);
expr* get_parent(unsigned n) const;
void init_terms(expr_ref_vector const& terms);