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https://github.com/Z3Prover/z3
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123 lines
3.5 KiB
C++
123 lines
3.5 KiB
C++
/*++
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Copyright (c) 2011 Microsoft Corporation
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Module Name:
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sat_config.cpp
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Abstract:
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SAT configuration options
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Author:
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Leonardo de Moura (leonardo) 2011-05-21.
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Revision History:
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--*/
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#include"sat_config.h"
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#include"sat_types.h"
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#include"sat_params.hpp"
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namespace sat {
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config::config(params_ref const & p):
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m_restart_max(0),
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m_always_true("always_true"),
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m_always_false("always_false"),
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m_caching("caching"),
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m_random("random"),
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m_geometric("geometric"),
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m_luby("luby"),
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m_dyn_psm("dyn_psm"),
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m_psm("psm"),
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m_glue("glue"),
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m_glue_psm("glue_psm"),
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m_psm_glue("psm_glue") {
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updt_params(p);
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}
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void config::updt_params(params_ref const & _p) {
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sat_params p(_p);
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m_max_memory = megabytes_to_bytes(p.max_memory());
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symbol s = p.restart();
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if (s == m_luby)
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m_restart = RS_LUBY;
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else if (s == m_geometric)
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m_restart = RS_GEOMETRIC;
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else
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throw sat_param_exception("invalid restart strategy");
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s = p.phase();
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if (s == m_always_false)
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m_phase = PS_ALWAYS_FALSE;
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else if (s == m_always_true)
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m_phase = PS_ALWAYS_TRUE;
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else if (s == m_caching)
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m_phase = PS_CACHING;
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else if (s == m_random)
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m_phase = PS_RANDOM;
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else
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throw sat_param_exception("invalid phase selection strategy");
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m_phase_caching_on = p.phase_caching_on();
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m_phase_caching_off = p.phase_caching_off();
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m_restart_initial = p.restart_initial();
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m_restart_factor = p.restart_factor();
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m_restart_max = p.restart_max();
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m_random_freq = p.random_freq();
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m_random_seed = p.random_seed();
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if (m_random_seed == 0)
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m_random_seed = _p.get_uint("random_seed", 0);
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m_burst_search = p.burst_search();
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m_max_conflicts = p.max_conflicts();
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m_num_parallel = p.parallel_threads();
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// These parameters are not exposed
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m_simplify_mult1 = _p.get_uint("simplify_mult1", 300);
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m_simplify_mult2 = _p.get_double("simplify_mult2", 1.5);
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m_simplify_max = _p.get_uint("simplify_max", 500000);
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// --------------------------------
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s = p.gc();
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if (s == m_dyn_psm) {
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m_gc_strategy = GC_DYN_PSM;
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m_gc_initial = p.gc_initial();
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m_gc_increment = p.gc_increment();
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m_gc_small_lbd = p.gc_small_lbd();
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m_gc_k = p.gc_k();
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if (m_gc_k > 255)
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m_gc_k = 255;
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}
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else {
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if (s == m_glue_psm)
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m_gc_strategy = GC_GLUE_PSM;
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else if (s == m_glue)
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m_gc_strategy = GC_GLUE;
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else if (s == m_psm)
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m_gc_strategy = GC_PSM;
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else if (s == m_psm_glue)
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m_gc_strategy = GC_PSM_GLUE;
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else
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throw sat_param_exception("invalid gc strategy");
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m_gc_initial = p.gc_initial();
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m_gc_increment = p.gc_increment();
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}
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m_minimize_lemmas = p.minimize_lemmas();
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m_core_minimize = p.core_minimize();
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m_core_minimize_partial = p.core_minimize_partial();
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m_dyn_sub_res = p.dyn_sub_res();
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}
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void config::collect_param_descrs(param_descrs & r) {
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sat_params::collect_param_descrs(r);
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}
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};
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