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add new polynomials from handle_nullified to m_todo

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2026-02-18 10:54:39 -10:00
parent df419c137d
commit d8f2b5ca01
4 changed files with 31 additions and 162 deletions
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8
src/nlsat/levelwise.cpp
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@ -1217,12 +1217,18 @@ namespace nlsat {
// Line 10/11: detect nullification + pick a non-zero coefficient witness per p.
m_witnesses.clear();
m_witnesses.reserve(m_level_ps.size());
for (unsigned i = 0; i < m_level_ps.size(); ++i) {
// Fixpoint loop: handle_nullified_poly may add more polynomials back at m_level
// via request_factorized. Drain them from m_todo into m_level_ps and
// compute witnesses for the new entries until no more appear.
for (unsigned i = 0; i < m_level_ps.size(); i++) {
polynomial_ref p(m_level_ps.get(i), m_pm);
polynomial_ref w = choose_nonzero_coeff(p, m_level);
if (!w)
handle_nullified_poly(p);
m_witnesses.push_back(w);
// Absorb any same-level polys that handle_nullified_poly added to m_todo
if (i + 1 == m_level_ps.size())
m_todo.extract_polys_at_level(m_level, m_level_ps);
}
}