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https://github.com/Z3Prover/z3
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Merge branch 'master' of https://github.com/Z3Prover/z3
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commit
bd0bd6052a
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@ -570,11 +570,11 @@ namespace opt {
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m_opt_solver = alloc(opt_solver, m, m_params, m_fm);
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m_opt_solver->set_logic(m_logic);
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m_solver = m_opt_solver.get();
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m_opt_solver->ensure_pb();
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if (opt_params(m_params).priority() == symbol("pareto") ||
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(opt_params(m_params).priority() == symbol("lex") && m_objectives.size() > 1)) {
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m_opt_solver->ensure_pb();
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}
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//if (opt_params(m_params).priority() == symbol("pareto") ||
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// (opt_params(m_params).priority() == symbol("lex") && m_objectives.size() > 1)) {
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//}
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}
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void context::setup_arith_solver() {
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@ -154,7 +154,6 @@ namespace sat {
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if (!m_subsumption && !m_elim_blocked_clauses && !m_resolution)
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return;
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initialize();
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CASSERT("sat_solver", s.check_invariant());
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@ -84,7 +84,7 @@ namespace sat {
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VERIFY(v == mk_var(ext, dvar));
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}
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}
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unsigned sz = src.scope_lvl() == 0 ? src.m_trail.size() : src.m_scopes[0].m_trail_lim;
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unsigned sz = src.init_trail_size();
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for (unsigned i = 0; i < sz; ++i) {
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assign(src.m_trail[i], justification());
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}
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@ -774,7 +774,6 @@ namespace sat {
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restart();
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simplify_problem();
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exchange_par();
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if (check_inconsistent()) return l_false;
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gc();
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@ -890,9 +889,8 @@ namespace sat {
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*/
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void solver::exchange_par() {
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if (m_par && scope_lvl() == 0) {
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unsigned sz = scope_lvl() == 0 ? m_trail.size() : m_scopes[0].m_trail_lim;
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unsigned sz = init_trail_size();
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unsigned num_in = 0, num_out = 0;
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SASSERT(scope_lvl() == 0); // parallel with assumptions is TBD
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literal_vector in, out;
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for (unsigned i = m_par_limit_out; i < sz; ++i) {
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literal lit = m_trail[i];
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@ -2544,6 +2542,7 @@ namespace sat {
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void solver::pop_reinit(unsigned num_scopes) {
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pop(num_scopes);
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exchange_par();
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reinit_assumptions();
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}
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@ -2863,7 +2862,7 @@ namespace sat {
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}
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void solver::display_units(std::ostream & out) const {
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unsigned end = scope_lvl() == 0 ? m_trail.size() : m_scopes[0].m_trail_lim;
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unsigned end = init_trail_size();
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for (unsigned i = 0; i < end; i++) {
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out << m_trail[i] << " ";
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}
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@ -223,6 +223,7 @@ namespace sat {
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lbool value(bool_var v) const { return static_cast<lbool>(m_assignment[literal(v, false).index()]); }
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unsigned lvl(bool_var v) const { return m_level[v]; }
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unsigned lvl(literal l) const { return m_level[l.var()]; }
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unsigned init_trail_size() const { return scope_lvl() == 0 ? m_trail.size() : m_scopes[0].m_trail_lim; }
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void assign(literal l, justification j) {
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TRACE("sat_assign", tout << l << " previous value: " << value(l) << "\n";);
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switch (value(l)) {
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@ -98,13 +98,20 @@ tactic * mk_tactic_for_logic(ast_manager & m, params_ref const & p, symbol const
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return mk_default_tactic(m, p);
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}
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static solver* mk_solver_for_logic(ast_manager & m, params_ref const & p, symbol const& logic) {
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bv_rewriter rw(m);
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if (logic == "QF_BV" && rw.hi_div0())
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return mk_inc_sat_solver(m, p);
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static solver* mk_special_solver_for_logic(ast_manager & m, params_ref const & p, symbol const& logic) {
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if (logic == "QF_FD")
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return mk_fd_solver(m, p);
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return mk_smt_solver(m, p, logic);
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return 0;
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}
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static solver* mk_solver_for_logic(ast_manager & m, params_ref const & p, symbol const& logic) {
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bv_rewriter rw(m);
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solver* s = mk_special_solver_for_logic(m, p, logic);
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if (!s && logic == "QF_BV" && rw.hi_div0())
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s = mk_inc_sat_solver(m, p);
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if (!s)
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s = mk_smt_solver(m, p, logic);
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return s;
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}
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class smt_strategic_solver_factory : public solver_factory {
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@ -119,6 +126,8 @@ public:
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l = m_logic;
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else
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l = logic;
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solver* s = mk_special_solver_for_logic(m, p, l);
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if (s) return s;
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tactic * t = mk_tactic_for_logic(m, p, l);
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return mk_combined_solver(mk_tactic2solver(m, t, p, proofs_enabled, models_enabled, unsat_core_enabled, l),
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mk_solver_for_logic(m, p, l),
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