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make dio less aggressive, allow other cuts

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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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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5
src/smt/params/smt_params_helper.pyg
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@ -58,8 +58,9 @@ def_module_params(module_name='smt',
('arith.random_initial_value', BOOL, False, 'use random initial values in the simplex-based procedure for linear arithmetic'),
('arith.solver', UINT, 6, 'arithmetic solver: 0 - no solver, 1 - bellman-ford based solver (diff. logic only), 2 - simplex based solver, 3 - floyd-warshall based solver (diff. logic only) and no theory combination 4 - utvpi, 5 - infinitary lra, 6 - lra solver'),
('arith.lp.dio_eqs', BOOL, True, 'use Diophantine equalities'),
('arith.lp.dio_cut_from_proof_period', UINT, 3, 'Period of creating a cut from proof in dioph equations'),
('arith.lp.dio_cuts', BOOL, True, 'use cuts from Diophantine equalities conflics instead of Gomory cuts, only works when dioph_eq is true'),
('arith.lp.dio_branch_from_proof_period', UINT, 100, 'Period of creating a branch instead of a cut'),
('arith.lp.dio_cuts_enable_gomory', BOOL, True, 'enable Gomory cuts together with Diophantine cuts, only relevant when dioph_eq is true'),
('arith.lp.dio_cuts_enable_hnf', BOOL, True, 'enable hnf cuts together with Diophantine cuts, only relevant when dioph_eq is true'),
('arith.nl', BOOL, True, '(incomplete) nonlinear arithmetic support based on Groebner basis and interval propagation, relevant only if smt.arith.solver=2'),
('arith.nl.nra', BOOL, True, 'call nra_solver when incremental linearization does not produce a lemma, this option is ignored when arith.nl=false, relevant only if smt.arith.solver=6'),
('arith.nl.branching', BOOL, True, 'branching on integer variables in non linear clusters'),