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Improve generation accounting (#10008) (#10009)

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Details in original PR: https://github.com/Z3Prover/z3/pull/10007

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
Co-authored-by: Can Cebeci <can.cebeci99@gmail.com>
Co-authored-by: Can Cebeci <t-cancebeci@microsoft.com>
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Nikolaj Bjorner 2026-07-08 15:43:41 -07:00 • committed by GitHub
parent c56b2cbaa4
commit 3f6a57e8a8
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12 changed files with 267 additions and 115 deletions
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10
src/smt/smt_quantifier.cpp
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@ -249,9 +249,7 @@ namespace smt {
trace_stream() << "\n";
} else {
std::ostream & out = trace_stream();
obj_hashtable<enode> already_visited;
// In the term produced by the quantifier instantiation the root of the equivalence class of the terms bound to the quantified variables
// is used. We need to make sure that all of these equalities appear in the log.
for (unsigned i = 0; i < num_bindings; ++i) {
@ -264,7 +262,6 @@ namespace smt {
log_justification_to_root(out, substituted, already_visited, m_context, m());
}
}
// At this point all relevant equalities for the match are logged.
out << "[new-match] " << f->get_data_hash() << " #" << q->get_id() << " #" << pat->get_id();
for (unsigned i = 0; i < num_bindings; ++i) {
@ -285,7 +282,7 @@ namespace smt {
out << "\n";
}
}
bool add_instance(quantifier * q, app * pat,
unsigned num_bindings,
enode * const * bindings,
@ -724,8 +721,9 @@ namespace smt {
}
enode* n = m_context->get_enode(e);
new_bindings.push_back(n);
if (n->get_generation() > max_gen)
max_gen = n->get_generation();
unsigned gen = m_context->get_generation(n);
if (gen > max_gen)
max_gen = gen;
}
TRACE(ho_matching,