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fixes in branching

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2020-04-26 16:12:54 -07:00
parent 236edad8dc
commit 530f77281c
9 changed files with 20 additions and 40 deletions
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2
src/math/lp/int_cube.cpp
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@ -42,8 +42,8 @@ namespace lp {
if (st != lp_status::FEASIBLE && st != lp_status::OPTIMAL) {
TRACE("cube", tout << "cannot find a feasiblie solution";);
lra.pop();
lra.set_status(lp_status::OPTIMAL);
lra.move_non_basic_columns_to_bounds();
find_feasible_solution();
// it can happen that we found an integer solution here
return !lra.r_basis_has_inf_int()? lia_move::sat: lia_move::undef;
}