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fix #3688

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-02 09:59:16 -07:00
parent 8290cfadcc
commit 3eefd18c58
5 changed files with 38 additions and 46 deletions
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14
src/ast/macros/macro_manager.cpp
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@ -121,7 +121,8 @@ bool macro_manager::insert(func_decl * f, quantifier * q, proof * pr, expr_depen
m_macros.push_back(q);
if (m.proofs_enabled()) {
m_macro_prs.push_back(pr);
m_decl2macro_pr.insert(f, pr);
m_decl2macro_pr.insert(f, pr);
SASSERT(m.get_fact(pr) == q);
}
m_macro_deps.push_back(dep);
m_decl2macro_dep.insert(f, dep);
@ -274,8 +275,7 @@ struct macro_manager::macro_expander_cfg : public default_rewriter_cfg {
quantifier * q = nullptr;
func_decl * d = n->get_decl();
TRACE("macro_manager", tout << "trying to expand:\n" << mk_pp(n, m) << "\nd:\n" << d->get_name() << "\n";);
if (mm.m_decl2macro.find(d, q)) {
if (mm.m_decl2macro.find(d, q)) {
app * head = nullptr;
expr * def = nullptr;
bool revert = false;
@ -300,9 +300,7 @@ struct macro_manager::macro_expander_cfg : public default_rewriter_cfg {
if (m.proofs_enabled()) {
expr_ref instance = s(q->get_expr(), num, subst_args.c_ptr());
proof * qi_pr = m.mk_quant_inst(m.mk_or(m.mk_not(q), instance), num, subst_args.c_ptr());
proof * q_pr = nullptr;
mm.m_decl2macro_pr.find(d, q_pr);
SASSERT(q_pr);
proof * q_pr = mm.m_decl2macro_pr.find(d);
proof * prs[2] = { qi_pr, q_pr };
p = m.mk_unit_resolution(2, prs);
if (revert) p = m.mk_symmetry(p);
@ -352,6 +350,7 @@ void macro_manager::expand_macros(expr * n, proof * pr, expr_dependency * dep, e
old_pr = new_pr;
old_dep = new_dep;
change = true;
SASSERT(!new_pr || m.get_fact(new_pr) == r);
}
// apply th_rewrite to the result.
if (change) {
@ -360,6 +359,7 @@ void macro_manager::expand_macros(expr * n, proof * pr, expr_dependency * dep, e
expr_ref r1(r, m);
rw(r1, r, rw_pr);
new_pr = m.mk_modus_ponens(new_pr, rw_pr);
SASSERT(!new_pr || m.get_fact(new_pr) == r);
}
}
else {
@ -367,5 +367,7 @@ void macro_manager::expand_macros(expr * n, proof * pr, expr_dependency * dep, e
new_pr = pr;
new_dep = dep;
}
SASSERT(!new_pr || m.get_fact(new_pr) == r);
}