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fallback to Gomory cuts and gcd conflicts if dio fails

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2025-04-21 17:10:32 -07:00
parent cc1bb0a255
commit a1673f2bdd
3 changed files with 7 additions and 19 deletions
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7
src/math/lp/dioph_eq.cpp
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@ -2038,8 +2038,13 @@ namespace lp {
if (ret != lia_move::undef)
return ret;
if (ret == lia_move::undef)
if (ret == lia_move::undef) {
lra.settings().dio_calls_period() *= 2;
if (lra.settings().dio_calls_period() >= 16) {
lra.settings().dio_enable_gomory_cuts() = true;
lra.settings().set_run_gcd_test(true);
}
}
return ret;
}