static void display_function(std::ostream & out, model_core const & md, func_decl * f, bool partial) {
ast_manager & m = md.get_manager();
func_interp * g = md.get_func_interp(f);
out << f->get_name() << " -> {\n";
unsigned num_entries = g->num_entries();
unsigned arity = g->get_arity();
char const * else_str = num_entries == 0 ? " " : " else -> ";
unsigned else_indent = static_cast<unsigned>(strlen(else_str));
for (unsigned i = 0; i < num_entries; i++) {
func_entry const * entry = g->get_entry(i);
out << " ";
for (unsigned j = 0; j < arity; j++) {
expr * arg = entry->get_arg(j);
out << mk_pp(arg, m);
out << " ";
}
out << "-> ";
out << mk_pp(entry->get_result(), m);
out << "\n";
}
if (partial) {
out << else_str << "#unspecified\n";
}
else {
expr * else_val = g->get_else();
out << else_str;
if (else_val)
out << mk_pp(else_val, m, else_indent);
else
out << "#unspecified";
out << "\n";
}
out << "}\n";
}
static void display_functions(std::ostream & out, model_core const & md) {
ast_manager & m = md.get_manager();
unsigned sz = md.get_num_functions();
for (unsigned i = 0; i < sz; i++) {
func_decl * f = md.get_function(i);
out << "(define (" << f->get_name();
unsigned arity = f->get_arity();
func_interp * fi = md.get_func_interp(f);
for (unsigned j = 0; j < arity; j++) {
out << " " << "x!" << j;
}
out << ")\n";
unsigned num_entries = fi->num_entries();
for (unsigned j = 0; j < num_entries; j++) {
func_entry const * curr = fi->get_entry(j);
out << " (if ";
if (arity > 1)
out << "(and ";
for (unsigned j = 0; j < arity; j++) {
out << "(= x!" << j << " " << mk_ismt2_pp(curr->get_arg(j), m) << ")";
if (j + 1 < arity)
out << " ";
}
if (arity > 1)
out << ")";
out << " " << mk_ismt2_pp(curr->get_result(), m) << "\n";
}
if (num_entries > 0)
out << " ";
if (fi->is_partial())
out << " #unspecified";
else {
pp_params const & params = get_pp_default_params();
out << " " << mk_ismt2_pp(fi->get_else(), m, params, 5, arity, "x");
}
for (unsigned j = 0; j < num_entries; j++)
out << ")";
out << ")\n";
}
}
void sort_fun_decls(ast_manager & m, model_core const & md, ptr_buffer<func_decl> & result) {
func_decl_set visited;
ptr_vector<func_decl> todo;
unsigned sz = md.get_num_functions();
for (unsigned i = 0; i < sz; i++) {
func_decl * f = md.get_function(i);
if (visited.contains(f))
continue;
visited.insert(f);
todo.push_back(f);
while (!todo.empty()) {
func_decl * curr = todo.back();
func_interp * curr_i = md.get_func_interp(curr);
SASSERT(curr_i != 0);
if (!curr_i->is_partial()) {
func_decl_set deps;
bool all_visited = true;
collect_func_decls(m, curr_i->get_else(), deps);
func_decl_set::iterator it2 = deps.begin();
func_decl_set::iterator end2 = deps.end();
for (; it2 != end2; ++it2) {
func_decl * d = *it2;
if (d->get_arity() > 0 && md.has_interpretation(d) && !visited.contains(d)) {
todo.push_back(d);
visited.insert(d);
all_visited = false;
}
}
if (!all_visited)
continue;
}
todo.pop_back();
result.push_back(curr);
}
}
}
static void pp_funs(std::ostream & out, ast_printer_context & ctx, model_core const & md, unsigned indent) {
ast_manager & m = ctx.get_ast_manager();
sbuffer<symbol> var_names;
ptr_buffer<format> f_var_names;
ptr_buffer<format> f_arg_decls;
ptr_buffer<format> f_entries;
ptr_buffer<format> f_entry_conds;
ptr_buffer<func_decl> func_decls;
sort_fun_decls(m, md, func_decls);
for (unsigned i = 0; i < func_decls.size(); i++) {
func_decl * f = func_decls[i];
func_interp * f_i = md.get_func_interp(f);
SASSERT(f->get_arity() == f_i->get_arity());
format_ref body(fm(m));
var_names.reset();
if (f_i->is_partial()) {
body = mk_string(m, "#unspecified");
for (unsigned j = 0; j < f->get_arity(); j++) {
std::stringstream strm;
strm << "x!" << (j+1);
var_names.push_back(symbol(strm.str().c_str()));
}
}
else {
ctx.pp(f_i->get_else(), f->get_arity(), "x", body, var_names);
}
TRACE("model_smt2_pp", for (unsigned i = 0; i < var_names.size(); i++) tout << var_names[i] << "\n";);
f_var_names.reset();
for (unsigned i = 0; i < f->get_arity(); i++)
f_var_names.push_back(mk_string(m, var_names[i].bare_str()));
f_arg_decls.reset();
for (unsigned i = 0; i < f->get_arity(); i++) {
format_ref f_domain(fm(m));
ctx.pp(f->get_domain(i), f_domain);
format * args[2] = { f_var_names[i], f_domain.get() };
f_arg_decls.push_back(mk_seq5<format**, f2f>(m, args, args+2, f2f()));
}
format * f_domain = mk_seq5(m, f_arg_decls.begin(), f_arg_decls.end(), f2f());
format_ref f_range(fm(m));
ctx.pp(f->get_range(), f_range);
if (f_i->num_entries() > 0) {
f_entries.reset();
for (unsigned i = 0; i < f_i->num_entries(); i++) {
func_entry const * e = f_i->get_entry(i);
f_entry_conds.reset();
for (unsigned j = 0; j < f->get_arity(); j++) {
format_ref f_arg(fm(m));
ctx.pp(e->get_arg(j), f_arg);
format * eq_args[2] = { f_var_names[j], f_arg.get() };
f_entry_conds.push_back(mk_seq1<format**, f2f>(m, eq_args, eq_args+2, f2f(), "="));
}
format * f_entry_cond;
SASSERT(!f_entry_conds.empty());
if (f_entry_conds.size() > 1)
f_entry_cond = mk_seq1(m, f_entry_conds.begin(), f_entry_conds.end(), f2f(), "and");
else
f_entry_cond = f_entry_conds[0];
format_ref f_result(fm(m));
ctx.pp(e->get_result(), f_result);
if (i > 0)
f_entries.push_back(mk_line_break(m));
f_entries.push_back(mk_group(m, mk_compose(m,
mk_string(m, "(ite "),
mk_indent(m, 5, f_entry_cond),
mk_indent(m, TAB_SZ, mk_compose(m,
mk_line_break(m),
f_result.get())))));
}
f_entries.push_back(mk_indent(m, TAB_SZ, mk_compose(m,
mk_line_break(m),
body.get())));
for (unsigned i = 0; i < f_i->num_entries(); i++)
f_entries.push_back(mk_string(m, ")"));
body = mk_compose(m, f_entries.size(), f_entries.c_ptr());
}
format_ref def(fm(m));
std::string fname;
if (is_smt2_quoted_symbol(f->get_name()))
fname = mk_smt2_quoted_symbol(f->get_name());
else
fname = f->get_name().str();
def = mk_indent(m, indent, mk_compose(m,
mk_compose(m,
mk_string(m, "(define-fun "),
mk_string(m, fname.c_str()),
mk_string(m, " "),
mk_compose(m,
f_domain,
mk_string(m, " "),
f_range)),
mk_indent(m, TAB_SZ, mk_compose(m,
mk_line_break(m),
body.get(),
mk_string(m, ")")))));
pp_indent(out, indent);
pp(out, def.get(), m);
out << "\n";
}
