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89 lines
2.8 KiB
C++
89 lines
2.8 KiB
C++
/*++
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Copyright (c) 2012 Microsoft Corporation
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Module Name:
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qflra_tactic.cpp
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Abstract:
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Tactic for QF_LRA
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Author:
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Leonardo (leonardo) 2012-02-26
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Notes:
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--*/
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#include "tactic/tactical.h"
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#include "tactic/core/simplify_tactic.h"
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#include "tactic/core/propagate_values_tactic.h"
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#include "tactic/core/solve_eqs_tactic.h"
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#include "tactic/core/elim_uncnstr_tactic.h"
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#include "tactic/arith/recover_01_tactic.h"
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#include "tactic/core/ctx_simplify_tactic.h"
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#include "tactic/arith/probe_arith.h"
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#include "tactic/smtlogics/smt_tactic.h"
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tactic * mk_qflra_tactic(ast_manager & m, params_ref const & p) {
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params_ref pivot_p;
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pivot_p.set_bool("arith.greatest_error_pivot", true);
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params_ref main_p = p;
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main_p.set_bool("elim_and", true);
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main_p.set_bool("som", true);
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main_p.set_bool("blast_distinct", true);
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params_ref ctx_simp_p;
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ctx_simp_p.set_uint("max_depth", 30);
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ctx_simp_p.set_uint("max_steps", 5000000);
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params_ref lhs_p;
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lhs_p.set_bool("arith_lhs", true);
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lhs_p.set_bool("eq2ineq", true);
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params_ref elim_to_real_p;
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elim_to_real_p.set_bool("elim_to_real", true);
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#if 0
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tactic * mip =
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and_then(fail_if(mk_produce_proofs_probe()),
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fail_if(mk_produce_unsat_cores_probe()),
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using_params(and_then(and_then(mk_simplify_tactic(m),
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mk_recover_01_tactic(m),
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using_params(mk_simplify_tactic(m), elim_to_real_p),
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mk_propagate_values_tactic(m)),
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using_params(mk_ctx_simplify_tactic(m), ctx_simp_p),
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mk_elim_uncnstr_tactic(m),
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mk_solve_eqs_tactic(m),
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using_params(mk_simplify_tactic(m), lhs_p),
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using_params(mk_simplify_tactic(m), elim_to_real_p)
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),
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main_p),
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fail_if(mk_not(mk_is_mip_probe())),
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try_for(mk_mip_tactic(m), 30000),
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mk_fail_if_undecided_tactic());
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#endif
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// return using_params(or_else(mip,
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// using_params(mk_smt_tactic(m), pivot_p)),
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// p);
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#if 0
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params_ref simplex_0, simplex_1, simplex_2;
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simplex_0.set_uint("lp.simplex_strategy", 0);
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simplex_1.set_uint("lp.simplex_strategy", 1);
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simplex_2.set_uint("lp.simplex_strategy", 2);
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return par(using_params(mk_smt_tactic(), simplex_0),
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using_params(mk_smt_tactic(), simplex_1),
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using_params(mk_smt_tactic(), simplex_2));
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#else
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return using_params(using_params(mk_smt_tactic(m), pivot_p), p);
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#endif
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}
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