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make dio less aggressive, allow other cuts

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2025-02-03 13:12:58 -10:00 • committed by Lev Nachmanson
parent fee707842d
commit a19e10912f
5 changed files with 30 additions and 15 deletions
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14
src/math/lp/lp_settings.h
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@ -133,7 +133,7 @@ struct statistics {
unsigned m_dio_tighten_conflicts = 0;
unsigned m_dio_branch_iterations= 0;
unsigned m_dio_branching_depth = 0;
unsigned m_dio_cut_from_proofs = 0;
unsigned m_dio_branch_from_proofs = 0;
unsigned m_dio_branching_infeasibles = 0;
unsigned m_dio_rewrite_conflicts = 0;
unsigned m_dio_branching_sats = 0;
@ -174,7 +174,7 @@ struct statistics {
st.update("arith-dio-tighten-conflicts", m_dio_tighten_conflicts);
st.update("arith-dio-branch-iterations", m_dio_branch_iterations);
st.update("arith-dio-branch-depths", m_dio_branching_depth);
st.update("arith-dio-cut-from-proofs", m_dio_cut_from_proofs);
st.update("arith-dio-branch-from-proofs", m_dio_branch_from_proofs);
st.update("arith-dio-branching-infeasibles", m_dio_branching_infeasibles);
st.update("arith-dio-rewrite-conflicts", m_dio_rewrite_conflicts);
st.update("arith-dio-branching-sats", m_dio_branching_sats);
@ -249,8 +249,9 @@ private:
bool m_print_external_var_name = false;
bool m_propagate_eqs = false;
bool m_dio_eqs = false;
bool m_dio_cuts = false;
unsigned m_dio_cut_from_proof_period = 2;
bool m_dio_enable_gomory_cuts = true;
bool m_dio_enable_hnf_cuts = true;
unsigned m_dio_branch_from_proof_period = 100; // report rarely
public:
bool print_external_var_name() const { return m_print_external_var_name; }
@ -260,8 +261,9 @@ public:
unsigned random_next() { return m_rand(); }
unsigned random_next(unsigned u ) { return m_rand(u); }
bool dio_eqs() { return m_dio_eqs; }
bool dio_cuts() { return m_dio_eqs && m_dio_cuts; }
unsigned dio_cut_from_proof_period() { return m_dio_cut_from_proof_period; }
bool dio_enable_gomory_cuts() { return m_dio_eqs && m_dio_enable_gomory_cuts; }
bool dio_enable_hnf_cuts() { return m_dio_eqs && m_dio_enable_hnf_cuts; }
unsigned dio_branch_from_proof_period() { return m_dio_branch_from_proof_period; }
void set_random_seed(unsigned s) { m_rand.set_seed(s); }
bool bound_progation() const {