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debug new propagation scheme

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2023-10-03 16:25:49 -07:00
parent 00ba064cd3
commit a88aa7ffa5
4 changed files with 12 additions and 5 deletions
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4
src/math/lp/lar_solver.cpp
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@ -1822,6 +1822,7 @@ namespace lp {
if (is_base(j) && column_is_fixed(j))
m_fixed_base_var_set.insert(j);
track_column_feasibility(j);
TRACE("lar_solver_feas", tout << "j = " << j << " became " << (this->column_is_feasible(j) ? "feas" : "non-feas") << ", and " << (this->column_is_bounded(j) ? "bounded" : "non-bounded") << " val = " << get_column_value(j) << std::endl;);
}
@ -2359,7 +2360,8 @@ namespace lp {
// dep is the reason for the new bound
void lar_solver::set_crossed_bounds_column_and_deps(unsigned j, bool lower_bound, u_dependency* dep) {
SASSERT(m_crossed_bounds_deps == nullptr && m_crossed_bounds_deps == nullptr);
if (m_crossed_bounds_column != null_lpvar) return; // already set
SASSERT(m_crossed_bounds_deps == nullptr);
set_status(lp_status::INFEASIBLE);
m_crossed_bounds_column = j;
const auto& ul = this->m_columns_to_ul_pairs()[j];