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fix c example, remove more smtlib1 printing

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-11-28 18:14:24 -08:00
parent b8e5fc9f43
commit 2749e547cf
6 changed files with 15 additions and 190 deletions
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87
examples/c/test_capi.c
View file

@ -395,11 +395,10 @@ void assert_comm_axiom(Z3_context ctx, Z3_solver s, Z3_func_decl f)
t_name = Z3_mk_string_symbol(ctx, "T");
Z3_parse_smtlib_string(ctx,
"(benchmark comm :formula (forall (x T) (y T) (= (f x y) (f y x))))",
q = Z3_parse_smtlib2_string(ctx,
"(assert (forall ((x T) (y T)) (= (f x y) (f y x))))",
1, &t_name, &t,
1, &f_name, &f);
q = Z3_get_smtlib_formula(ctx, 0);
printf("assert axiom:\n%s\n", Z3_ast_to_string(ctx, q));
Z3_solver_assert(ctx, s, q);
}
@ -1632,35 +1631,6 @@ void error_code_example2() {
}
}
/**
\brief Demonstrates how to use the SMTLIB parser.
*/
void parser_example1()
{
Z3_context ctx = mk_context();
Z3_solver s = mk_solver(ctx);
unsigned i, num_formulas;
printf("\nparser_example1\n");
LOG_MSG("parser_example1");
Z3_parse_smtlib_string(ctx,
"(benchmark tst :extrafuns ((x Int) (y Int)) :formula (> x y) :formula (> x 0))",
0, 0, 0,
0, 0, 0);
num_formulas = Z3_get_smtlib_num_formulas(ctx);
for (i = 0; i < num_formulas; i++) {
Z3_ast f = Z3_get_smtlib_formula(ctx, i);
printf("formula %d: %s\n", i, Z3_ast_to_string(ctx, f));
Z3_solver_assert(ctx, s, f);
}
check(ctx, s, Z3_L_TRUE);
del_solver(ctx, s);
Z3_del_context(ctx);
}
/**
\brief Demonstrates how to initialize the parser symbol table.
@ -1690,12 +1660,11 @@ void parser_example2()
names[0] = Z3_mk_string_symbol(ctx, "a");
names[1] = Z3_mk_string_symbol(ctx, "b");
Z3_parse_smtlib_string(ctx,
"(benchmark tst :formula (> a b))",
f = Z3_parse_smtlib2_string(ctx,
"(assert (> a b))",
0, 0, 0,
/* 'x' and 'y' declarations are inserted as 'a' and 'b' into the parser symbol table. */
2, names, decls);
f = Z3_get_smtlib_formula(ctx, 0);
printf("formula: %s\n", Z3_ast_to_string(ctx, f));
Z3_solver_assert(ctx, s, f);
check(ctx, s, Z3_L_TRUE);
@ -1737,11 +1706,10 @@ void parser_example3()
assert_comm_axiom(ctx, s, g);
Z3_parse_smtlib_string(ctx,
"(benchmark tst :formula (forall (x Int) (y Int) (implies (= x y) (= (g x 0) (g 0 y)))))",
thm = Z3_parse_smtlib2_string(ctx,
"(assert (forall ((x Int) (y Int)) (=> (= x y) (= (g x 0) (g 0 y)))))",
0, 0, 0,
1, &g_name, &g);
thm = Z3_get_smtlib_formula(ctx, 0);
printf("formula: %s\n", Z3_ast_to_string(ctx, thm));
prove(ctx, s, thm, Z3_TRUE);
@ -1749,41 +1717,6 @@ void parser_example3()
Z3_del_context(ctx);
}
/**
\brief Display the declarations, assumptions and formulas in a SMT-LIB string.
*/
void parser_example4()
{
Z3_context ctx;
unsigned i, num_decls, num_assumptions, num_formulas;
printf("\nparser_example4\n");
LOG_MSG("parser_example4");
ctx = mk_context();
Z3_parse_smtlib_string(ctx,
"(benchmark tst :extrafuns ((x Int) (y Int)) :assumption (= x 20) :formula (> x y) :formula (> x 0))",
0, 0, 0,
0, 0, 0);
num_decls = Z3_get_smtlib_num_decls(ctx);
for (i = 0; i < num_decls; i++) {
Z3_func_decl d = Z3_get_smtlib_decl(ctx, i);
printf("declaration %d: %s\n", i, Z3_func_decl_to_string(ctx, d));
}
num_assumptions = Z3_get_smtlib_num_assumptions(ctx);
for (i = 0; i < num_assumptions; i++) {
Z3_ast a = Z3_get_smtlib_assumption(ctx, i);
printf("assumption %d: %s\n", i, Z3_ast_to_string(ctx, a));
}
num_formulas = Z3_get_smtlib_num_formulas(ctx);
for (i = 0; i < num_formulas; i++) {
Z3_ast f = Z3_get_smtlib_formula(ctx, i);
printf("formula %d: %s\n", i, Z3_ast_to_string(ctx, f));
}
Z3_del_context(ctx);
}
/**
\brief Demonstrates how to handle parser errors using Z3 error handling support.
*/
@ -1802,9 +1735,9 @@ void parser_example5() {
s = mk_solver(ctx);
Z3_del_config(cfg);
Z3_parse_smtlib_string(ctx,
Z3_parse_smtlib2_string(ctx,
/* the following string has a parsing error: missing parenthesis */
"(benchmark tst :extrafuns ((x Int (y Int)) :formula (> x y) :formula (> x 0))",
"(declare-const x Int) declare-const y Int) (assert (and (> x y) (> x 0)))",
0, 0, 0,
0, 0, 0);
e = Z3_get_error_code(ctx);
@ -1817,7 +1750,7 @@ void parser_example5() {
err:
printf("Z3 error: %s.\n", Z3_get_error_msg(ctx, e));
if (ctx != NULL) {
printf("Error message: '%s'.\n",Z3_get_smtlib_error(ctx));
printf("Error message: '%s'.\n",Z3_get_parser_error(ctx));
del_solver(ctx, s);
Z3_del_context(ctx);
}
@ -3065,10 +2998,8 @@ int main() {
two_contexts_example1();
error_code_example1();
error_code_example2();
parser_example1();
parser_example2();
parser_example3();
parser_example4();
parser_example5();
numeral_example();
ite_example();

7
src/api/api_ast.cpp
View file

@ -872,12 +872,7 @@ extern "C" {
for (unsigned i = 0; i < num_assumptions; ++i) {
pp.add_assumption(to_expr(assumptions[i]));
}
if (mk_c(c)->get_print_mode() == Z3_PRINT_SMTLIB2_COMPLIANT) {
pp.display_smt2(buffer, to_expr(formula));
}
else {
pp.display(buffer, to_expr(formula));
}
pp.display_smt2(buffer, to_expr(formula));
return mk_c(c)->mk_external_string(buffer.str());
Z3_CATCH_RETURN("");
}

106
src/ast/ast_smt_pp.cpp
View file

@ -340,8 +340,7 @@ class smt_printer {
}
void pp_arg(expr *arg, app *parent)
{
void pp_arg(expr *arg, app *parent) {
pp_marked_expr(arg);
}
@ -417,7 +416,7 @@ class smt_printer {
else if (m_simplify_implies && m_manager.is_implies(decl) && m_manager.is_implies(n->get_arg(1))) {
expr *curr = n;
expr *arg;
m_out << "(implies (and";
m_out << "(=> (and";
while (m_manager.is_implies(curr)) {
arg = to_app(curr)->get_arg(0);
@ -476,8 +475,7 @@ class smt_printer {
}
}
void print_no_lets(expr *e)
{
void print_no_lets(expr *e) {
smt_printer p(m_out, m_manager, m_qlists, m_renaming, m_logic, true, m_simplify_implies, m_indent, m_num_var_names, m_var_names);
p(e);
}
@ -894,15 +892,6 @@ ast_smt_pp::ast_smt_pp(ast_manager& m):
m_simplify_implies(true)
{}
#if 0
void ast_smt_pp::display_expr(std::ostream& strm, expr* n) {
ptr_vector<quantifier> ql; smt_renaming rn;
smt_printer p(strm, m_manager, ql, rn, m_logic, false, m_simplify_implies, 0);
p(n);
}
#endif
void ast_smt_pp::display_expr_smt2(std::ostream& strm, expr* n, unsigned indent, unsigned num_var_names, char const* const* var_names) {
ptr_vector<quantifier> ql;
smt_renaming rn;
@ -1022,92 +1011,3 @@ void ast_smt_pp::display_smt2(std::ostream& strm, expr* n) {
p(n);
}
}
void ast_smt_pp::display(std::ostream& strm, expr* n) {
ptr_vector<quantifier> ql;
decl_collector decls(m_manager);
smt_renaming rn;
for (unsigned i = 0; i < m_assumptions.size(); ++i) {
decls.visit(m_assumptions[i].get());
}
for (unsigned i = 0; i < m_assumptions_star.size(); ++i) {
decls.visit(m_assumptions_star[i].get());
}
decls.visit(n);
strm << "(benchmark ";
if (m_benchmark_name != symbol::null) {
strm << m_benchmark_name << "\n";
}
else {
strm << "unnamed\n";
}
if (m_source_info != symbol::null && m_source_info != symbol("")) {
strm << ":source { " << m_source_info << " }\n";
}
strm << ":status " << m_status << "\n";
if (m_category != symbol::null && m_category != symbol("")) {
strm << ":category { " << m_category << " }\n";
}
if (m_logic != symbol::null && m_logic != symbol("")) {
strm << ":logic " << m_logic << "\n";
}
if (m_attributes.size() > 0) {
strm << m_attributes.c_str();
}
ast_mark sort_mark;
for (unsigned i = 0; i < decls.get_num_sorts(); ++i) {
sort* s = decls.get_sorts()[i];
if (!(*m_is_declared)(s)) {
smt_printer p(strm, m_manager, ql, rn, m_logic, true, false, m_simplify_implies, 0);
p.pp_sort_decl(sort_mark, s);
}
}
for (unsigned i = 0; i < decls.get_num_decls(); ++i) {
func_decl* d = decls.get_func_decls()[i];
if (!(*m_is_declared)(d)) {
strm << ":extrafuns (";
smt_printer p(strm, m_manager, ql, rn, m_logic, true, false, m_simplify_implies, 0);
p(d);
strm << ")\n";
}
}
for (unsigned i = 0; i < decls.get_num_preds(); ++i) {
func_decl* d = decls.get_pred_decls()[i];
if (!(*m_is_declared)(d)) {
strm << ":extrapreds (";
smt_printer p(strm, m_manager, ql, rn, m_logic, true, false, m_simplify_implies, 0);
p.visit_pred(d);
strm << ")\n";
}
}
for (unsigned i = 0; i < m_assumptions.size(); ++i) {
expr * e = m_assumptions[i].get();
strm << ":assumption\n";
smt_printer p(strm, m_manager, ql, rn, m_logic, false, false, m_simplify_implies, 0);
p(e);
strm << "\n";
}
for (unsigned i = 0; i < m_assumptions_star.size(); ++i) {
strm << ":assumption-core\n";
smt_printer p(strm, m_manager, ql, rn, m_logic, false, false, m_simplify_implies, 0);
p(m_assumptions_star[i].get());
strm << "\n";
}
{
strm << ":formula\n";
smt_printer p(strm, m_manager, ql, rn, m_logic, false, false, m_simplify_implies, 0);
p(n);
strm << "\n";
}
strm << ")\n";
}

1
src/ast/ast_smt_pp.h
View file

@ -75,7 +75,6 @@ public:
void set_is_declared(is_declared* id) { m_is_declared = id; }
void display(std::ostream& strm, expr* n);
void display_smt2(std::ostream& strm, expr* n);
void display_expr_smt2(std::ostream& strm, expr* n, unsigned indent = 0, unsigned num_var_names = 0, char const* const* var_names = 0);
void display_ast_smt2(std::ostream& strm, ast* n, unsigned indent = 0, unsigned num_var_names = 0, char const* const* var_names = 0);

2
src/ast/proofs/proof_checker.cpp
View file

@ -1284,7 +1284,7 @@ void proof_checker::dump_proof(unsigned num_antecedents, expr * const * antecede
pp.add_assumption(antecedents[i]);
expr_ref n(m);
n = m.mk_not(consequent);
pp.display(out, n);
pp.display_smt2(out, n);
out.close();
m_proof_lemma_id++;
}

2
src/smt/theory_arith_pp.h
View file

@ -526,7 +526,7 @@ namespace smt {
}
}
}
pp.display(out, m.mk_true());
pp.display_smt2(out, m.mk_true());
}
template<typename Ext>