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fix pattern inference to deal with binders properly, pin sorts in tptp_frontend

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Nikolaj Bjorner 2026-07-08 15:29:05 -07:00
parent 965db51b5c
commit c56b2cbaa4
3 changed files with 22 additions and 40 deletions
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12
src/cmd_context/tptp_frontend.cpp
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@ -553,10 +553,9 @@ class tptp_parser {
// Multi-argument A * B > C is represented as Array(A, Array(B, C)) (curried).
sort* get_ho_sort(ptr_vector<sort> const& domain, sort* range) {
sort* s = range;
for (int i = (int)domain.size() - 1; i >= 0; --i) {
s = m_array.mk_array_sort(domain[i], s);
m_pinned_sorts.push_back(s);
}
for (unsigned i = domain.size(); i-- > 0; )
s = m_array.mk_array_sort(domain[i], s);
m_pinned_sorts.push_back(s);
return s;
}
@ -1535,7 +1534,7 @@ class tptp_parser {
// For function-style definitions, wrap value in lambdas
if (!param_vars.empty()) {
expr_ref result = value;
for (int i = (int)param_vars.size() - 1; i >= 0; --i) {
for (unsigned i = param_vars.size(); i-- > 0; ) {
expr_ref abs_body(m);
expr_abstract(m, 0, 1, (expr* const*)&param_vars[i], result, abs_body);
sort* s = param_vars[i]->get_sort();
@ -1976,7 +1975,7 @@ class tptp_parser {
// Create nested single-variable lambdas (curried) to match our curried array encoding.
// ^[X:A, Y:B] : body becomes ^[X:A] : (^[Y:B] : body) with sort Array(A, Array(B, body_sort))
expr_ref result = body;
for (int i = (int)vars.size() - 1; i >= 0; --i) {
for (unsigned i = vars.size(); i-- > 0; ) {
expr_ref abs_body(m);
expr_abstract(m, 0, 1, (expr* const*)&vars[i], result, abs_body);
sort* s = vars[i]->get_sort();
@ -2877,6 +2876,7 @@ expr_ref tptp_parser::parse_term() {
if (!m_array.is_array(e_sort)) {
sort* arg_sort = arg->get_sort();
sort* arr_sort = m_array.mk_array_sort(arg_sort, m_univ);
m_pinned_sorts.push_back(arr_sort);
e = coerce_arg(e, arr_sort);
} else {
sort* dom = get_array_domain(e_sort, 0);