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https://github.com/Z3Prover/z3
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#5454 again
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@ -120,9 +120,15 @@ namespace array {
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app* select = r.select->get_app();
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SASSERT(a.is_select(select));
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SASSERT(can_beta_reduce(r.n));
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TRACE("array", display(tout << "select-axiom: ", r) << "\n";);
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if (get_config().m_array_delay_exp_axiom && r.select->get_arg(0)->get_root() != r.n->get_root() && !r.is_delayed() && m_enable_delay) {
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bool should_delay =
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get_config().m_array_delay_exp_axiom &&
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r.select->get_arg(0)->get_root() != r.n->get_root() &&
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!r.is_delayed() && m_enable_delay;
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TRACE("array", display(tout << "select-axiom: " << (should_delay ? "delay " : ""), r) << "\n";);
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if (should_delay) {
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IF_VERBOSE(11, verbose_stream() << "delay: " << mk_bounded_pp(child, m) << " " << mk_bounded_pp(select, m) << "\n");
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ctx.push(reset_new(*this, idx));
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r.set_delayed();
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@ -176,8 +182,6 @@ namespace array {
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unsigned num_args = select->get_num_args();
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expr* arg = select->get_arg(0);
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if (false && arg != store && !can_beta_reduce(arg) && expr2enode(arg)->get_root() == expr2enode(store)->get_root())
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return false;
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bool has_diff = false;
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for (unsigned i = 1; i < num_args; i++)
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has_diff |= expr2enode(select->get_arg(i))->get_root() != expr2enode(store->get_arg(i))->get_root();
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@ -209,9 +213,6 @@ namespace array {
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tout << "select-store " << ctx.bpp(s2) << " " << ctx.bpp(s2->get_root()) << "\n";);
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if (s1->get_root() == s2->get_root())
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return new_prop;
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sat::literal sel_eq = sat::null_literal;
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auto init_sel_eq = [&]() {
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if (sel_eq != sat::null_literal)
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