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throttle dioph equalities

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2024-10-15 18:55:38 -07:00 • committed by Lev Nachmanson
parent 128d5b4fa0
commit 392c24a145
3 changed files with 14 additions and 6 deletions
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7
src/math/lp/dioph_eq.cpp
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@ -561,7 +561,7 @@ public:
return lia_move::conflict;
}
rewrite_eqs();
if (m_conflict_index != -1) {
if (m_conflict_index != UINT_MAX) {
lra.settings().stats().m_dio_conflicts++;
return lia_move::conflict;
}
@ -777,7 +777,7 @@ public:
unsigned h = -1;
auto it = m_f.begin();
while (it != m_f.end()) {
if (m_e_matrix.m_rows[m_eprime[*it].m_row_index].size() == 0)
if (m_e_matrix.m_rows[m_eprime[*it].m_row_index].size() == 0) {
if (m_eprime[*it].m_c.is_zero()) {
it = m_f.erase(it);
continue;
@ -785,10 +785,11 @@ public:
m_conflict_index = *it;
return;
}
}
h = *it;
break;
}
if (h == -1) return;
if (h == UINT_MAX) return;
auto& eprime_entry = m_eprime[h];
TRACE("dioph_eq", print_eprime_entry(h, tout););
auto [ahk, k, k_sign] = find_minimal_abs_coeff(eprime_entry.m_row_index);