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simplify purified expressions

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This commit is contained in:
Nikolaj Bjorner 2022-10-21 03:47:57 -07:00
parent 842e8057bc
commit 31914d8ecf
1 changed files with 4 additions and 2 deletions
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6
src/qe/mbp/mbp_term_graph.cpp
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@ -24,6 +24,7 @@ Notes:
#include "ast/ast_util.h" #include "ast/ast_util.h"
#include "ast/for_each_expr.h" #include "ast/for_each_expr.h"
#include "ast/occurs.h" #include "ast/occurs.h"
#include "ast/rewriter/th_rewriter.h"
#include "model/model_evaluator.h" #include "model/model_evaluator.h"
#include "qe/mbp/mbp_term_graph.h" #include "qe/mbp/mbp_term_graph.h"
@ -583,6 +584,7 @@ namespace mbp {
ast_manager &m; ast_manager &m;
u_map<expr*> m_term2app; u_map<expr*> m_term2app;
u_map<expr*> m_root2rep; u_map<expr*> m_root2rep;
th_rewriter m_rewriter;
model_ref m_model; model_ref m_model;
expr_ref_vector m_pinned; // tracks expr in the maps expr_ref_vector m_pinned; // tracks expr in the maps
@ -609,7 +611,7 @@ namespace mbp {
} }
TRACE("qe_verbose", tout << *ch << " -> " << mk_pp(e, m) << "\n";); TRACE("qe_verbose", tout << *ch << " -> " << mk_pp(e, m) << "\n";);
} }
expr* pure = m.mk_app(a->get_decl(), kids.size(), kids.data()); expr_ref pure = m_rewriter.mk_app(a->get_decl(), kids.size(), kids.data());
m_pinned.push_back(pure); m_pinned.push_back(pure);
add_term2app(t, pure); add_term2app(t, pure);
return pure; return pure;
@ -940,7 +942,7 @@ namespace mbp {
} }
public: public:
projector(term_graph &tg) : m_tg(tg), m(m_tg.m), m_pinned(m) {} projector(term_graph &tg) : m_tg(tg), m(m_tg.m), m_rewriter(m), m_pinned(m) {}
void add_term2app(term const& t, expr* a) { void add_term2app(term const& t, expr* a) {
m_term2app.insert(t.get_id(), a); m_term2app.insert(t.get_id(), a);