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/* run.config*
OPT: -deterministic -val @VALUECONFIG@ -journal-disable -out -input -deps -slevel-function init:3,main1:3,f2:4,main2:4,f4:3,main5:3 -val-split-return-function f2:0,f3:-2:-4,f4:4,f5:-2,NON_EXISTING:4 -permissive -then -report
OPT: -deterministic -val @VALUECONFIG@ -journal-disable -out -input -deps -slevel 6 -val-split-return auto -val-split-return-function f7:0:3 -then -report
COMMENT: below command must fail, as -permissive is not set
OPT: -deterministic -val @VALUECONFIG@ -slevel-function NON_EXISTING:4
OPT: -deterministic -val @VALUECONFIG@ -journal-disable -out -input -deps -slevel 6 -val-split-return full
OPT: -deterministic -val @VALUECONFIG@ -journal-disable -out -input -deps -slevel 6 -val-split-return full -val-split-return-function f7:0:3 -val-split-return-function f2:full -then -val-split-return-function f2:auto
*/
/*@ assigns \result \from \nothing;
assigns *p \from \nothing;
ensures \result == 0 && \initialized(p) || \result == 1; */
int init(unsigned int *p);
unsigned int main1() {
unsigned int x;
int r = init(&x);
switch(r) {
case 0:
x = x /2 + 2;
break;
case 1:
x = 0;
break;
default:
//@ assert \false;
}
return x;
}
extern unsigned int i2;
unsigned int f2() {
if (!i2) {
i2 = 0;
return 0;
} else if (!(i2+1)) {
i2 = 5;
return 5;
} else {
i2 = 5;
return 7;
}
}
void main2() {
unsigned int r = f2();
Frama_C_show_each_f2(r, i2);
if (r == 0) {
//@ assert i2 == 0;
} else {
Frama_C_show_each_f2_2(r, i2);
//@ assert i2 != 0;
}
}
extern int i3;
int f3() {
int res1, res2;
if (i3) {
i3 = 0;
res1 = -2;
} else {
i3 = 5;
res1 = 7;
}
res2 = res1;
return res2;
}
void main3() {
int r = f3();
Frama_C_show_each_f3(r, i3);
if (r == -2) {
//@ assert i3 == 0;
} else {
//@ assert i3 != 0;
}
}
extern int i4;
int f4() {
if (i4) {
i4 = 0;
return 4;
} else {
i4 = 5;
return 7;
}
}
void main4() {
int r = f4();
Frama_C_show_each_f4(r, i4);
if (r == 4) {
//@ assert i4 == 0;
} else {
//@ assert i4 != 0;
}
}
extern int i5;
int f5() {
int res;
if (i5) {
i5 = 0;
res = -2;
} else {
i5 = 5;
res = 7;
}
return res;
}
void main5() {
int r = f5();
Frama_C_show_each_f5(r, i5);
if (r == -2) {
//@ assert i5 == 0;
} else {
//@ assert i5 != 0;
}
}
volatile v;
int f6() {
int i = v;
//@ assert -5 <= i <= 5;
return i;
}
void main6() {
if ((short)(f6())) {
}
}
volatile v;
int v7;
int* f7() {
if (v) { v7 = 0; return 0; }
else { v7 = 1; return &v; }
}
void main7() {
int* p = f7();
if (p == (void*)0) {
} else {
}
Frama_C_show_each_NULL(p, v7);
}
int* f8(int *p) {
if (v) {
*p = 4;
return p;
} else {
*p = -1;
return 0;
}
}
void main8() {
int x;
int * (*pf)(int *) = &f8;
int *p = (*pf)(&x);
Frama_C_show_each_then8(x, p);
}
void main() {
main1();
main2();
main3(); // not enough slevel in f3. One warning
main4(); // not enough slevel in main4. No warning
main5(); // no need for slevel, because we do not fuse on return instr
main6();
main7();
main8();
}
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