mirror of
https://github.com/Z3Prover/z3
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f41134d1b6
- avoid more platform specific behavior when using m_mk_extract, - rename mk_eq in bool_rewriter to mk_eq_plain to distinguish it from mk_eq_rw - rework bv_lookahead to be more closely based on sls_engine, which has much better heuristic behavior than attempt 1.
61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
/*++
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Copyright (c) 2020 Microsoft Corporation
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Module Name:
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sls_bv_plugin.h
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Abstract:
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Theory plugin for bit-vector local search
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Author:
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Nikolaj Bjorner (nbjorner) 2024-07-06
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--*/
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#pragma once
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#include "ast/sls/sls_context.h"
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#include "ast/bv_decl_plugin.h"
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#include "ast/sls/sls_bv_terms.h"
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#include "ast/sls/sls_bv_eval.h"
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namespace sls {
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class bv_plugin : public plugin {
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bv_util bv;
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bv_terms m_terms;
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bv_eval m_eval;
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bv::sls_stats m_stats;
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bool m_initialized = false;
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std::ostream& trace_repair(bool down, expr* e);
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void trace();
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bool is_bv_predicate(expr* e);
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void log(expr* e, bool up_down, bool success);
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public:
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bv_plugin(context& ctx);
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~bv_plugin() override {}
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void register_term(expr* e) override;
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expr_ref get_value(expr* e) override;
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void start_propagation() override;
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void initialize() override;
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void propagate_literal(sat::literal lit) override;
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bool propagate() override;
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bool repair_down(app* e) override;
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void repair_up(app* e) override;
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void repair_literal(sat::literal lit) override;
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bool is_sat() override;
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void on_rescale() override {}
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void on_restart() override {}
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std::ostream& display(std::ostream& out) const override;
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bool set_value(expr* e, expr* v) override;
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void collect_statistics(statistics& st) const override;
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void reset_statistics() override {}
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};
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}
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