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Fix confusing tabs mixed in with spaces in C examples.
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@waywardmonkeys @NikolajBjorner
waywardmonkeys authored and NikolajBjorner committed Aug 13, 2019
1 parent 0093157 commit 0eafeb9
Showing 1 changed file with 56 additions and 56 deletions.
112 changes: 56 additions & 56 deletions examples/c/test_capi.c
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Original file line number Diff line number Diff line change
Expand Up @@ -215,13 +215,13 @@ void check(Z3_context ctx, Z3_solver s, Z3_lbool expected_result)
break;
case Z3_L_UNDEF:
printf("unknown\n");
m = Z3_solver_get_model(ctx, s);
if (m) Z3_model_inc_ref(ctx, m);
m = Z3_solver_get_model(ctx, s);
if (m) Z3_model_inc_ref(ctx, m);
printf("potential model:\n%s\n", Z3_model_to_string(ctx, m));
break;
case Z3_L_TRUE:
m = Z3_solver_get_model(ctx, s);
if (m) Z3_model_inc_ref(ctx, m);
m = Z3_solver_get_model(ctx, s);
if (m) Z3_model_inc_ref(ctx, m);
printf("sat\n%s\n", Z3_model_to_string(ctx, m));
break;
}
Expand Down Expand Up @@ -265,9 +265,9 @@ void prove(Z3_context ctx, Z3_solver s, Z3_ast f, bool is_valid)
printf("unknown\n");
m = Z3_solver_get_model(ctx, s);
if (m != 0) {
Z3_model_inc_ref(ctx, m);
Z3_model_inc_ref(ctx, m);
/* m should be viewed as a potential counterexample. */
printf("potential counterexample:\n%s\n", Z3_model_to_string(ctx, m));
printf("potential counterexample:\n%s\n", Z3_model_to_string(ctx, m));
}
if (is_valid) {
exitf("unexpected result");
Expand All @@ -278,7 +278,7 @@ void prove(Z3_context ctx, Z3_solver s, Z3_ast f, bool is_valid)
printf("invalid\n");
m = Z3_solver_get_model(ctx, s);
if (m) {
Z3_model_inc_ref(ctx, m);
Z3_model_inc_ref(ctx, m);
/* the model returned by Z3 is a counterexample */
printf("counterexample:\n%s\n", Z3_model_to_string(ctx, m));
}
Expand Down Expand Up @@ -498,25 +498,25 @@ void display_sort(Z3_context c, FILE * out, Z3_sort ty)
fprintf(out, "]");
break;
case Z3_DATATYPE_SORT:
if (Z3_get_datatype_sort_num_constructors(c, ty) != 1)
{
fprintf(out, "%s", Z3_sort_to_string(c,ty));
break;
}
{
unsigned num_fields = Z3_get_tuple_sort_num_fields(c, ty);
unsigned i;
fprintf(out, "(");
for (i = 0; i < num_fields; i++) {
Z3_func_decl field = Z3_get_tuple_sort_field_decl(c, ty, i);
if (i > 0) {
fprintf(out, ", ");
if (Z3_get_datatype_sort_num_constructors(c, ty) != 1)
{
fprintf(out, "%s", Z3_sort_to_string(c,ty));
break;
}
{
unsigned num_fields = Z3_get_tuple_sort_num_fields(c, ty);
unsigned i;
fprintf(out, "(");
for (i = 0; i < num_fields; i++) {
Z3_func_decl field = Z3_get_tuple_sort_field_decl(c, ty, i);
if (i > 0) {
fprintf(out, ", ");
}
display_sort(c, out, Z3_get_range(c, field));
}
display_sort(c, out, Z3_get_range(c, field));
fprintf(out, ")");
break;
}
fprintf(out, ")");
break;
}
default:
fprintf(out, "unknown[");
display_symbol(c, out, Z3_get_sort_name(c, ty));
Expand Down Expand Up @@ -587,7 +587,7 @@ void display_function_interpretations(Z3_context c, FILE * out, Z3_model m)

fdecl = Z3_model_get_func_decl(c, m, i);
finterp = Z3_model_get_func_interp(c, m, fdecl);
Z3_func_interp_inc_ref(c, finterp);
Z3_func_interp_inc_ref(c, finterp);
name = Z3_get_decl_name(c, fdecl);
display_symbol(c, out, name);
fprintf(out, " = {");
Expand All @@ -596,7 +596,7 @@ void display_function_interpretations(Z3_context c, FILE * out, Z3_model m)
for (j = 0; j < num_entries; j++) {
unsigned num_args, k;
Z3_func_entry fentry = Z3_func_interp_get_entry(c, finterp, j);
Z3_func_entry_inc_ref(c, fentry);
Z3_func_entry_inc_ref(c, fentry);
if (j > 0) {
fprintf(out, ", ");
}
Expand All @@ -611,7 +611,7 @@ void display_function_interpretations(Z3_context c, FILE * out, Z3_model m)
fprintf(out, "|->");
display_ast(c, out, Z3_func_entry_get_value(c, fentry));
fprintf(out, ")");
Z3_func_entry_dec_ref(c, fentry);
Z3_func_entry_dec_ref(c, fentry);
}
if (num_entries > 0) {
fprintf(out, ", ");
Expand All @@ -620,7 +620,7 @@ void display_function_interpretations(Z3_context c, FILE * out, Z3_model m)
func_else = Z3_func_interp_get_else(c, finterp);
display_ast(c, out, func_else);
fprintf(out, ")}\n");
Z3_func_interp_dec_ref(c, finterp);
Z3_func_interp_dec_ref(c, finterp);
}
}

Expand Down Expand Up @@ -667,13 +667,13 @@ void check2(Z3_context ctx, Z3_solver s, Z3_lbool expected_result)
printf("unknown\n");
printf("potential model:\n");
m = Z3_solver_get_model(ctx, s);
if (m) Z3_model_inc_ref(ctx, m);
if (m) Z3_model_inc_ref(ctx, m);
display_model(ctx, stdout, m);
break;
case Z3_L_TRUE:
printf("sat\n");
m = Z3_solver_get_model(ctx, s);
if (m) Z3_model_inc_ref(ctx, m);
if (m) Z3_model_inc_ref(ctx, m);
display_model(ctx, stdout, m);
break;
}
Expand Down Expand Up @@ -1245,7 +1245,7 @@ void array_example2()
/* context is satisfiable if n < 5 */
check2(ctx, s, n < 5 ? Z3_L_TRUE : Z3_L_FALSE);

del_solver(ctx, s);
del_solver(ctx, s);
Z3_del_context(ctx);
}
}
Expand Down Expand Up @@ -1281,7 +1281,7 @@ void array_example3()
display_sort(ctx, stdout, range);
printf("\n");

if (int_sort != domain || bool_sort != range) {
if (int_sort != domain || bool_sort != range) {
exitf("invalid array type");
}

Expand Down Expand Up @@ -1499,7 +1499,7 @@ void eval_example1()
Z3_ast args[2] = {x, y};
Z3_ast v;
m = Z3_solver_get_model(ctx, s);
if (m) Z3_model_inc_ref(ctx, m);
if (m) Z3_model_inc_ref(ctx, m);
printf("MODEL:\n%s", Z3_model_to_string(ctx, m));
x_plus_y = Z3_mk_add(ctx, 2, args);
printf("\nevaluating x+y\n");
Expand Down Expand Up @@ -1749,14 +1749,14 @@ void parser_example5() {
e = Z3_get_error_code(ctx);
if (e != Z3_OK) goto err;
unreachable();
del_solver(ctx, s);
del_solver(ctx, s);
Z3_del_context(ctx);
}
else {
err:
printf("Z3 error: %s.\n", Z3_get_error_msg(ctx, e));
if (ctx != NULL) {
del_solver(ctx, s);
del_solver(ctx, s);
Z3_del_context(ctx);
}
}
Expand Down Expand Up @@ -1909,14 +1909,14 @@ void list_example() {
x = mk_var(ctx, "x", int_ty);
y = mk_var(ctx, "y", int_ty);
l1 = mk_binary_app(ctx, cons_decl, x, nil);
l2 = mk_binary_app(ctx, cons_decl, y, nil);
l2 = mk_binary_app(ctx, cons_decl, y, nil);
prove(ctx, s, Z3_mk_implies(ctx, Z3_mk_eq(ctx,l1,l2), Z3_mk_eq(ctx, x, y)), true);

/* cons(x,u) = cons(x, v) => u = v */
u = mk_var(ctx, "u", int_list);
v = mk_var(ctx, "v", int_list);
l1 = mk_binary_app(ctx, cons_decl, x, u);
l2 = mk_binary_app(ctx, cons_decl, y, v);
l2 = mk_binary_app(ctx, cons_decl, y, v);
prove(ctx, s, Z3_mk_implies(ctx, Z3_mk_eq(ctx,l1,l2), Z3_mk_eq(ctx, u, v)), true);
prove(ctx, s, Z3_mk_implies(ctx, Z3_mk_eq(ctx,l1,l2), Z3_mk_eq(ctx, x, y)), true);

Expand Down Expand Up @@ -2266,21 +2266,21 @@ void unsat_core_and_proof_example() {

printf("\ncore:\n");
for (i = 0; i < Z3_ast_vector_size(ctx, core); ++i) {
printf("%s\n", Z3_ast_to_string(ctx, Z3_ast_vector_get(ctx, core, i)));
printf("%s\n", Z3_ast_to_string(ctx, Z3_ast_vector_get(ctx, core, i)));
}
printf("\n");
break;
case Z3_L_UNDEF:
printf("unknown\n");
printf("potential model:\n");
m = Z3_solver_get_model(ctx, s);
if (m) Z3_model_inc_ref(ctx, m);
m = Z3_solver_get_model(ctx, s);
if (m) Z3_model_inc_ref(ctx, m);
display_model(ctx, stdout, m);
break;
case Z3_L_TRUE:
printf("sat\n");
m = Z3_solver_get_model(ctx, s);
if (m) Z3_model_inc_ref(ctx, m);
m = Z3_solver_get_model(ctx, s);
if (m) Z3_model_inc_ref(ctx, m);
display_model(ctx, stdout, m);
break;
}
Expand All @@ -2300,7 +2300,7 @@ void unsat_core_and_proof_example() {
*/
typedef struct {
Z3_context m_context;
Z3_solver m_solver;
Z3_solver m_solver;
// IMPORTANT: the fields m_answer_literals, m_retracted and m_num_answer_literals must be saved/restored
// if push/pop operations are performed on m_context.
Z3_ast m_answer_literals[MAX_RETRACTABLE_ASSERTIONS];
Expand Down Expand Up @@ -2406,7 +2406,7 @@ Z3_lbool ext_check(Z3_ext_context ctx) {
// In this example, we display the core based on the assertion ids.
unsigned j;
for (j = 0; j < ctx->m_num_answer_literals; j++) {
if (Z3_ast_vector_get(ctx->m_context, core, i) == ctx->m_answer_literals[j]) {
if (Z3_ast_vector_get(ctx->m_context, core, i) == ctx->m_answer_literals[j]) {
printf("%d ", j);
break;
}
Expand Down Expand Up @@ -2449,7 +2449,7 @@ void incremental_example1() {
c4 = assert_retractable_cnstr(ext_ctx, Z3_mk_lt(ctx, y, one));

result = ext_check(ext_ctx);
if (result != Z3_L_FALSE)
if (result != Z3_L_FALSE)
exitf("bug in Z3");
printf("unsat\n");

Expand Down Expand Up @@ -2655,7 +2655,7 @@ void fpa_example() {
Z3_sort double_sort, rm_sort;
Z3_symbol s_rm, s_x, s_y, s_x_plus_y;
Z3_ast rm, x, y, n, x_plus_y, c1, c2, c3, c4, c5;
Z3_ast args[2], args2[2], and_args[3], args3[3];
Z3_ast args[2], args2[2], and_args[3], args3[3];

printf("\nFPA-example\n");
LOG_MSG("FPA-example");
Expand All @@ -2676,38 +2676,38 @@ void fpa_example() {
x = Z3_mk_const(ctx, s_x, double_sort);
y = Z3_mk_const(ctx, s_y, double_sort);
n = Z3_mk_fpa_numeral_double(ctx, 42.0, double_sort);

s_x_plus_y = Z3_mk_string_symbol(ctx, "x_plus_y");
x_plus_y = Z3_mk_const(ctx, s_x_plus_y, double_sort);
c1 = Z3_mk_eq(ctx, x_plus_y, Z3_mk_fpa_add(ctx, rm, x, y));

args[0] = c1;
args[1] = Z3_mk_eq(ctx, x_plus_y, n);
c2 = Z3_mk_and(ctx, 2, (Z3_ast*)&args);

args2[0] = c2;
args2[1] = Z3_mk_not(ctx, Z3_mk_eq(ctx, rm, Z3_mk_fpa_rtz(ctx)));
c3 = Z3_mk_and(ctx, 2, (Z3_ast*)&args2);

and_args[0] = Z3_mk_not(ctx, Z3_mk_fpa_is_zero(ctx, y));
and_args[1] = Z3_mk_not(ctx, Z3_mk_fpa_is_nan(ctx, y));
and_args[2] = Z3_mk_not(ctx, Z3_mk_fpa_is_infinite(ctx, y));
args3[0] = c3;
args3[1] = Z3_mk_and(ctx, 3, and_args);
c4 = Z3_mk_and(ctx, 2, (Z3_ast*)&args3);

printf("c4: %s\n", Z3_ast_to_string(ctx, c4));
Z3_solver_push(ctx, s);
Z3_solver_assert(ctx, s, c4);
check(ctx, s, Z3_L_TRUE);
Z3_solver_pop(ctx, s, 1);

// Show that the following are equal:
// (fp #b0 #b10000000001 #xc000000000000)
// ((_ to_fp 11 53) #x401c000000000000))
// ((_ to_fp 11 53) RTZ 1.75 2)))
// ((_ to_fp 11 53) RTZ 7.0)))

Z3_solver_push(ctx, s);
c1 = Z3_mk_fpa_fp(ctx,
Z3_mk_numeral(ctx, "0", Z3_mk_bv_sort(ctx, 1)),
Expand All @@ -2729,12 +2729,12 @@ void fpa_example() {
args3[1] = Z3_mk_eq(ctx, c1, c3);
args3[2] = Z3_mk_eq(ctx, c1, c4);
c5 = Z3_mk_and(ctx, 3, args3);

printf("c5: %s\n", Z3_ast_to_string(ctx, c5));
Z3_solver_assert(ctx, s, c5);
check(ctx, s, Z3_L_TRUE);
Z3_solver_pop(ctx, s, 1);

del_solver(ctx, s);
Z3_del_context(ctx);
}
Expand Down Expand Up @@ -2896,7 +2896,7 @@ void mk_model_example() {
}
}

{
{
// Evaluate c[0] + c[1] + c[2] under model
Z3_ast c0 = Z3_mk_select(ctx, cApp, zeroNumeral);
Z3_ast c1 = Z3_mk_select(ctx, cApp, oneNumeral);
Expand Down

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