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add parameter to control calling diophantine equations

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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Lev Nachmanson 2024-08-13 12:25:34 -10:00 committed by Lev Nachmanson
parent acd48b6a30
commit 097a25ebfe
4 changed files with 4 additions and 0 deletions
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1
src/math/lp/int_solver.cpp
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@ -195,6 +195,7 @@ namespace lp {
++m_number_of_calls;
if (r == lia_move::undef && m_patcher.should_apply()) r = m_patcher();
if (r == lia_move::undef && should_find_cube()) r = int_cube(*this)();
// if (r == lia_move::undef && should_solve_dioph_eq()) r = solve_dioph_eq();
if (r == lia_move::undef) lra.move_non_basic_columns_to_bounds();
if (r == lia_move::undef && should_hnf_cut()) r = hnf_cut();

1
src/math/lp/lp_settings.cpp
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@ -32,4 +32,5 @@ void lp::lp_settings::updt_params(params_ref const& _p) {
report_frequency = p.arith_rep_freq();
m_simplex_strategy = static_cast<lp::simplex_strategy_enum>(p.arith_simplex_strategy());
m_nlsat_delay = p.arith_nl_delay();
m_dioph_eq = p.arith_lp_dioph_eq();
}

1
src/math/lp/lp_settings.h
View file

@ -228,6 +228,7 @@ private:
bool m_enable_hnf = true;
bool m_print_external_var_name = false;
bool m_propagate_eqs = false;
bool m_dioph_eq = false;
public:
bool print_external_var_name() const { return m_print_external_var_name; }
bool propagate_eqs() const { return m_propagate_eqs;}

1
src/smt/params/smt_params_helper.pyg
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@ -57,6 +57,7 @@ def_module_params(module_name='smt',
('bv.solver', UINT, 0, 'bit-vector solver engine: 0 - bit-blasting, 1 - polysat, 2 - intblast, requires sat.smt=true'),
('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.dioph_eq', BOOL, True, 'use Diophantine equalities'),
('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'),