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/* run.config*
STDOPT: +" -then -main main2 -then -val-warn-copy-indeterminate=-main2"
STDOPT: +" -val-warn-copy-indeterminate=-@all"
*/
int w[10];
volatile int v;
struct s {
char c;
int i;
};
struct v {
int i1;
int i2;
};
void f(int i) {
}
void g(int i);
int main() {
if (v) {
int b;
int a = b; // completely indeterminate
Frama_C_show_each_unreached();
}
if (v) {
int b;
if (v)
b = 1;
int a = b; // possibly determinate
Frama_C_dump_each();
}
if (v) {
int c;
if (v) {
char* p = &c;
*p = 1;
}
int a = c; // completely indeterminate on some bits
Frama_C_show_each_unreached();
}
if (v) {
int c;
char* p;
if (v) {
p = &c;
*p = 1;
}
p = (char*)&c+1;
*p = 2;
p = (char*)&c+2;
*p = 3;
p = (char*)&c+3;
*p = 4;
int a = c; // possibly determinate
Frama_C_dump_each();
}
if (v) {
struct s s1, s2;
s1.c = 1;
s1.i = 5;
s2 = s1; // Never warn, this is a struct
Frama_C_show_each(s2);
}
if (v) {
struct v sv1, sv2;
sv1 = sv2; // Never warn, even though we probably should
Frama_C_show_each(sv1);
}
if (v) {
struct v sv1, sv2;
sv2.i1 = 1;
sv1 = sv2; // Never warn, even though we probably should
Frama_C_show_each(sv1);
}
if (v) {
int i = v;
//@ assert 0 <= i < 10;
int t[10], v[10];
t[i] = v[i];
Frama_C_show_each_unreached(); // completely indeterminate
}
if (v) {
int i = v;
//@ assert 0 <= i < 10;
int t[10], v[10];
v[1] = 1;
t[i] = v[i];
Frama_C_dump_each();// possibly determinate. t is only partially
// initialized as it was not initialized before the copy
}
if (v) {
int i = v;
//@ assert 0 <= i < 10;
int v[10];
v[1] = 12;
w[i] = v[i];
Frama_C_dump_each();// possibly determinate; w is completely initialized after
}
if (v) {
int a;
return a; // completely indeterminate
}
if (v) {
int a;
if (v)
a = 8;
return a; // possibly determinate
}
if (v) {
int a;
f(a); // completely indeterminate.
Frama_C_show_each_unreached();
}
if (v) {
int a;
g(a); // completely indeterminate. We also warn when the option is not active, as g has no body
Frama_C_show_each_unreached();
}
if (v) {
int a;
if (v)
a = 1;
f(a); // possibly determinate
Frama_C_dump_each();
}
if (v) {
int a;
if (v)
a = 1;
g(a); // possibly determinate. We also warn when the option is not active, as g has no body
Frama_C_dump_each();
}
return 0;
}
int main2() {
int x;
return x; // Test that option can be deactivated
}
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