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option to control array_der in qe_lite

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This commit is contained in:
Arie Gurfinkel 2017-07-31 14:19:16 -04:00
parent 7670b49ada
commit 331eec8a05
2 changed files with 13 additions and 7 deletions
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15
src/qe/qe_lite.cpp
View file

@ -2342,6 +2342,7 @@ private:
elim_star m_elim_star;
th_rewriter m_rewriter;
bool m_use_array_der;
bool has_unique_non_ground(expr_ref_vector const& fmls, unsigned& index) {
index = fmls.size();
if (index <= 1) {
@ -2359,13 +2360,14 @@ private:
}
public:
impl(ast_manager & m, params_ref const & p):
impl(ast_manager & m, params_ref const & p, bool use_array_der):
m(m),
m_der(m, p),
m_fm(m),
m_array_der(m),
m_elim_star(*this),
m_rewriter(m) {}
m_rewriter(m),
m_use_array_der(use_array_der) {}
void operator()(app_ref_vector& vars, expr_ref& fml) {
if (vars.empty()) {
@ -2445,14 +2447,15 @@ public:
m_array_der.set_is_variable_proc(is_var);
m_der(fmls);
m_fm(fmls);
m_array_der(fmls);
// AG: disalble m_array_der() since it interferes with other array handling
if (m_use_array_der) m_array_der(fmls);
TRACE("qe_lite", for (unsigned i = 0; i < fmls.size(); ++i) tout << mk_pp(fmls[i].get(), m) << "\n";);
}
};
qe_lite::qe_lite(ast_manager & m, params_ref const & p) {
m_impl = alloc(impl, m, p);
qe_lite::qe_lite(ast_manager & m, params_ref const & p, bool use_array_der) {
m_impl = alloc(impl, m, p, use_array_der);
}
qe_lite::~qe_lite() {
@ -2484,7 +2487,7 @@ class qe_lite_tactic : public tactic {
imp(ast_manager& m, params_ref const & p):
m(m),
m_qe(m, p)
m_qe(m, p, true)
{}
void checkpoint() {

5
src/qe/qe_lite.h
View file

@ -31,7 +31,10 @@ class qe_lite {
class impl;
impl * m_impl;
public:
qe_lite(ast_manager & m, params_ref const & p);
/**
use_array_der controls whether equalities over array reads are simplified
*/
qe_lite(ast_manager& m, params_ref const & p, bool use_array_der = true);
~qe_lite();