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2436943794
* Initial plan * Convert postfix to prefix increment in for loops Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com> * Fix member variable increment conversion bug Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com> * Update API generator to produce prefix increments Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com> --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
94 lines
2.7 KiB
C++
94 lines
2.7 KiB
C++
/*++
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Copyright (c) 2016 Microsoft Corporation
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Module Name:
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ackermannize_bv_tactic.cpp
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Abstract:
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Author:
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Mikolas Janota
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Revision History:
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--*/
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#include "ackermannization/ackermannize_bv_tactic.h"
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#include "tactic/tactical.h"
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#include "ackermannization/lackr.h"
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#include "model/model_smt2_pp.h"
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#include "ackermannization/ackermannize_bv_tactic_params.hpp"
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#include "ackermannization/ackermannize_bv_model_converter.h"
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class ackermannize_bv_tactic : public tactic {
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public:
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ackermannize_bv_tactic(ast_manager& m, params_ref const& p)
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: m(m), m_p(p)
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{
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updt_params(p);
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}
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char const* name() const override { return "ackermannize_bv"; }
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void operator()(goal_ref const & g, goal_ref_buffer & result) override {
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tactic_report report("ackermannize_bv", *g);
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fail_if_unsat_core_generation("ackermannize", g);
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fail_if_proof_generation("ackermannize", g);
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TRACE(goal, g->display(tout << "in\n"););
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ptr_vector<expr> flas;
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const unsigned sz = g->size();
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for (unsigned i = 0; i < sz; ++i) flas.push_back(g->form(i));
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lackr lackr(m, m_p, m_st, flas, nullptr);
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// mk result
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goal_ref resg(alloc(goal, *g, true));
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const bool success = lackr.mk_ackermann(resg, m_lemma_limit);
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if (!success) { // Just pass on the input unchanged
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TRACE(ackermannize, tout << "ackermannize not run due to limit" << std::endl;);
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result.reset();
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result.push_back(g.get());
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return;
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}
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result.push_back(resg.get());
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// report model
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if (g->models_enabled()) {
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resg->add(mk_ackermannize_bv_model_converter(m, lackr.get_info()));
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}
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resg->inc_depth();
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TRACE(goal, resg->display(tout << "out\n"););
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}
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void updt_params(params_ref const & _p) override {
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ackermannize_bv_tactic_params p(_p);
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m_lemma_limit = p.div0_ackermann_limit();
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}
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void collect_param_descrs(param_descrs & r) override {
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ackermannize_bv_tactic_params::collect_param_descrs(r);
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}
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void collect_statistics(statistics & st) const override {
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st.update("ackr-constraints", m_st.m_ackrs_sz);
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}
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void reset_statistics() override { m_st.reset(); }
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void cleanup() override { }
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tactic* translate(ast_manager& m) override {
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return alloc(ackermannize_bv_tactic, m, m_p);
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}
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private:
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ast_manager& m;
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params_ref m_p;
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lackr_stats m_st;
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double m_lemma_limit;
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};
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tactic * mk_ackermannize_bv_tactic(ast_manager & m, params_ref const & p) {
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return alloc(ackermannize_bv_tactic, m, p);
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}
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