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https://github.com/Z3Prover/z3
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Dump benchmarks in pool_solver
This commit is contained in:
Arie Gurfinkel
parent
b50da20531
commit
bebfac047e
1 changed files with 59 additions and 41 deletions
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@ -32,8 +32,11 @@ class pool_solver : public solver_na2as {
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expr_ref_vector m_flat;
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bool m_pushed;
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bool m_in_delayed_scope;
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bool m_dump_benchmarks;
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double m_dump_threshold;
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unsigned m_dump_counter;
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bool is_virtual() const { return !m.is_true(m_pred); }
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public:
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pool_solver(solver* b, solver_pool& pool, app_ref& pred):
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@ -47,10 +50,13 @@ public:
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m_flat(m),
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m_pushed(false),
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m_in_delayed_scope(false),
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m_dump_benchmarks(false),
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m_dump_threshold(5.0),
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m_dump_counter(0) {
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if (is_virtual()) {
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solver_na2as::assert_expr_core2(m.mk_true(), pred);
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}
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updt_params(m_base->get_params());
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}
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~pool_solver() override {
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@ -64,7 +70,11 @@ public:
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solver* base_solver() { return m_base.get(); }
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solver* translate(ast_manager& m, params_ref const& p) override { UNREACHABLE(); return nullptr; }
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void updt_params(params_ref const& p) override { solver::updt_params(p); m_base->updt_params(p); }
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void updt_params(params_ref const& p) override {
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solver::updt_params(p); m_base->updt_params(p);
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m_dump_benchmarks = solver::get_params().get_bool("dump_benchmarks", false);
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m_dump_threshold = solver::get_params().get_double("dump_threshold", 5.0);
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}
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void push_params() override {m_base->push_params();}
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void pop_params() override {m_base->pop_params();}
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@ -76,8 +86,8 @@ public:
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void get_unsat_core(ptr_vector<expr> & r) override {
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m_base->get_unsat_core(r);
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unsigned j = 0;
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for (unsigned i = 0; i < r.size(); ++i)
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if (m_pred != r[i])
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for (unsigned i = 0; i < r.size(); ++i)
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if (m_pred != r[i])
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r[j++] = r[i];
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r.shrink(j);
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}
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@ -132,8 +142,10 @@ public:
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}
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set_status(res);
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if (false /*m_dump_benchmarks && sw.get_seconds() >= m_pool.fparams().m_dump_min_time*/) {
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dump_benchmark(num_assumptions, assumptions, res, sw);
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if (m_dump_benchmarks && sw.get_seconds() >= m_dump_threshold) {
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expr_ref_vector cube(m, num_assumptions, assumptions);
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expr_ref_vector clause(m);
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dump_benchmark(cube, clause, res, sw.get_seconds());
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}
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return res;
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}
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@ -164,9 +176,9 @@ public:
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}
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set_status(res);
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// if (false /*m_dump_benchmarks && sw.get_seconds() >= m_pool.fparams().m_dump_min_time*/) {
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// dump_benchmark(num_assumptions, assumptions, res, sw);
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// }
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if (m_dump_benchmarks && sw.get_seconds() >= m_dump_threshold) {
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dump_benchmark(cube, clause, res, sw.get_seconds());
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}
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return res;
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}
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@ -179,9 +191,9 @@ public:
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m_pushed = true;
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m_in_delayed_scope = false;
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}
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if (!m_pushed) {
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m_in_delayed_scope = true;
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if (!m_pushed) {
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m_in_delayed_scope = true;
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}
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else {
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SASSERT(!m_in_delayed_scope);
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@ -196,24 +208,24 @@ public:
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SASSERT(!m_in_delayed_scope);
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m_base->pop(n);
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m_pushed = lvl - n > 0;
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}
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else {
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m_in_delayed_scope = lvl - n > 0;
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}
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else {
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m_in_delayed_scope = lvl - n > 0;
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}
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}
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void assert_expr_core(expr * e) override {
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SASSERT(!m_pushed || get_scope_level() > 0);
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if (m.is_true(e)) return;
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if (m.is_true(e)) return;
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if (m_in_delayed_scope) {
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internalize_assertions();
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m_base->push();
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m_pushed = true;
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m_in_delayed_scope = false;
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}
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if (m_pushed) {
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m_base->assert_expr(e);
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m_base->assert_expr(e);
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}
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else {
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m_flat.push_back(e);
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@ -221,7 +233,7 @@ public:
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m_assertions.append(m_flat);
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m_flat.reset();
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}
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}
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}
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void get_model_core(model_ref & _m) override { m_base->get_model_core(_m); }
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@ -235,7 +247,7 @@ public:
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void set_progress_callback(progress_callback * callback) override { m_base->set_progress_callback(callback); }
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expr_ref_vector cube(expr_ref_vector& vars, unsigned ) override { return expr_ref_vector(m); }
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ast_manager& get_manager() const override { return m_base->get_manager(); }
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void refresh(solver* new_base) {
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@ -253,42 +265,49 @@ public:
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private:
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void dump_benchmark(unsigned num_assumptions, expr * const * assumptions, lbool res, stopwatch& sw) {
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std::string file_name = mk_file_name();
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void dump_benchmark(const expr_ref_vector &cube, const expr_ref_vector &clause,
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lbool last_status, double last_time) {
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std::string file_name = mk_file_name();
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std::ofstream out(file_name);
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if (!out) {
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if (!out) {
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IF_VERBOSE(0, verbose_stream() << "could not open file " << file_name << " for output\n");
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return;
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}
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out << "(set-info :status " << lbool2status(res) << ")\n";
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m_base->display(out, num_assumptions, assumptions);
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out << "(check-sat";
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for (unsigned i = 0; i < num_assumptions; ++i) {
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out << " " << mk_pp(assumptions[i], m);
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out << "(set-info :status " << lbool2status(last_status) << ")\n";
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m_base->display(out, cube.size(), cube.c_ptr());
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if (!clause.empty()) {
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out << ";; extra clause\n";
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out << "(assert (or ";
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for (auto *lit : clause) out << mk_pp(lit, m) << " ";
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out << "))\n";
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}
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out << ")";
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out << "(check-sat";
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for (auto * lit : cube) out << " " << mk_pp(lit, m);
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out << ")\n";
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out << "(exit)\n";
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::statistics st;
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m_base->collect_statistics(st);
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st.update("time", sw.get_seconds());
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st.display_smt2(out);
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out.close();
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st.update("time", last_time);
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st.display_smt2(out);
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out.close();
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}
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char const* lbool2status(lbool r) const {
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switch (r) {
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case l_true: return "sat";
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case l_false: return "unsat";
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case l_undef: return "unknown";
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case l_undef: return "unknown";
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}
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return "?";
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}
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std::string mk_file_name() {
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std::stringstream file_name;
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file_name << "virt_solver";
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if (is_virtual()) file_name << "_" << m_pred->get_decl()->get_name();
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file_name << "pool_solver";
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if (is_virtual()) file_name << "_" << m_pred->get_decl()->get_name();
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file_name << "_" << (m_dump_counter++) << ".smt2";
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return file_name.str();
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}
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@ -317,12 +336,11 @@ ptr_vector<solver> solver_pool::get_base_solvers() const {
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void solver_pool::updt_params(const params_ref &p) {
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m_base_solver->updt_params(p);
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ptr_vector<solver> solvers = get_base_solvers();
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for (solver *s : solvers) s->updt_params(p);
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for (solver *s : m_solvers) s->updt_params(p);
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}
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void solver_pool::collect_statistics(statistics &st) const {
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ptr_vector<solver> solvers = get_base_solvers();
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for (solver* s : solvers) s->collect_statistics(st);
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for (solver* s : solvers) s->collect_statistics(st);
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st.update("time.pool_solver.smt.total", m_check_watch.get_seconds());
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st.update("time.pool_solver.smt.total.sat", m_check_sat_watch.get_seconds());
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st.update("time.pool_solver.smt.total.undef", m_check_undef_watch.get_seconds());
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@ -336,7 +354,7 @@ void solver_pool::reset_statistics() {
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#if 0
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ptr_vector<solver> solvers = get_base_solvers();
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for (solver* s : solvers) {
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s->reset_statistics();
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s->reset_statistics();
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}
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#endif
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m_stats.reset();
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@ -348,7 +366,7 @@ void solver_pool::reset_statistics() {
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/**
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\brief Create a fresh solver instance.
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The first num_pools solvers are independent and
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The first num_pools solvers are independent and
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use a fresh instance of the base solver.
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Subsequent solvers reuse the first num_polls base solvers, rotating
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among the first num_pools.
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@ -374,7 +392,7 @@ solver* solver_pool::mk_solver() {
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void solver_pool::reset_solver(solver* s) {
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pool_solver* ps = dynamic_cast<pool_solver*>(s);
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SASSERT(ps);
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if (ps) ps->reset();
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if (ps) ps->reset();
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}
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void solver_pool::refresh(solver* base_solver) {
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