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updated with bug fixes

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2026-07-01 16:26:41 -07:00
parent 652402fa1f
commit 69444de05b
1 changed files with 21 additions and 2 deletions
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23
src/cmd_context/tptp_frontend.cpp
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@ -1011,6 +1011,10 @@ class tptp_parser {
// Table-driven prefix operator dispatch
auto op_it = m_ops.find(n);
if (op_it != m_ops.end() && !op_it->second.is_infix) {
if (args.empty()) {
while (accept(token_kind::at_tok))
args.push_back(parse_at_arg());
}
return op_it->second.builder(args);
}
@ -1491,6 +1495,10 @@ class tptp_parser {
// Table-driven prefix operator dispatch
auto op_it = m_ops.find(n);
if (op_it != m_ops.end() && !op_it->second.is_infix) {
if (args.empty()) {
while (accept(token_kind::at_tok))
args.push_back(parse_at_arg());
}
return op_it->second.builder(args);
}
@ -1808,8 +1816,19 @@ class tptp_parser {
expect(token_kind::rparen, "')'");
if (t.domain.empty() && is_ttype(t.range)) {
// Sort declaration: monomorphize to m_univ
m_sorts.insert_or_assign(name, m_univ);
// Sort declaration: give every declared type its own distinct uninterpreted
// sort. Collapsing all declared $tType sorts onto a single m_univ is unsound:
// a per-type constraint such as "![H:human]:H=jon" would then also constrain
// unrelated sorts (e.g. cats), turning satisfiable axiom sets into a spurious
// contradiction and reporting Theorem where the conjecture is CounterSatisfiable.
if (m_sorts.find(name) == m_sorts.end()) {
sort* s = m.mk_uninterpreted_sort(symbol(name));
m_pinned_sorts.push_back(s);
m_sorts.emplace(name, s);
}
// A prior *use* of the name (before its declaration) already created a fresh
// sort via parse_defined_sort; keep that same sort so uses and the declaration
// agree.
return;
}