int main() {
int *buf[4];
buf[0] = malloc(sizeof(int)*4);
buf[1] = malloc(sizeof(int));
buf[2] = 0; // gets malloc'd
buf[3] = (int*) 0xdeadbeef; // boom
buf[0][0] = 10;
buf[0][1] = 42;
buf[1][0] = 20;
int i = klee_urange(0,4);
int new_size = 2 * sizeof(int) * klee_urange(0,2); // 0 or 8
// whee, party time, needs to:
// Fork if size == 0, in which case all buffers get free'd and
// we will crash in prints below.
// Fork if buf[s] == 0, in which case the buffer gets malloc'd (for s==2)
// Fork on other buffers (s in [0,1]) and do realloc
// for s==0 this is shrinking
// for s==1 this is growing
buf[i] = realloc(buf[i], new_size);
if (new_size == 0) {
assert(!buf[2]); // free(0) is a no-op
if (i==0) assert(!buf[0] && buf[1]);
if (i==1) assert(buf[0] && !buf[1]);
assert(i != 3); // we should have crashed on free of invalid
} else {
assert(new_size == sizeof(int)*2);
assert(buf[0][0] == 10);
assert(buf[0][1] == 42); // make sure copied
assert(buf[1][0] == 20);
if (i==1) { int x = buf[1][1]; } // should be safe
if (i==2) { int x = buf[2][0]; } // should be safe
assert(i != 3); // we should have crashed on realloc of invalid
}
return 0;
}
int main() {
int *buf[4];
int i,s,t;
for (i=0; i<4; i++)
buf[i] = make_int((i+1)*2);
s = klee_urange(0,4);
int x = *buf[s];
if (x == 4)
if (s!=1)
abort();
printf("x\n");
fflush(stdout);
return 0;
}
int main(int argc, char ** argv)
{
int a = klee_urange(0,3);
int b;
// fork states
switch(a) {
case 0:
b = -0;
break;
case 1:
b = -1;
break;
case 2:
b = -2;
break;
default:
assert(false && "Impossible switch target");
}
// test 80-bit external dispatch
long double d = powl((long double)-11.0, (long double)a);
// FIXME: Use CHECK-DAG: with FileCheck tool
// CHECK-DAG: powl(-11.0,0)=1.0
// CHECK-DAG: powl(-11.0,1)=-11.0
// CHECK-DAG: powl(-11.0,2)=121.0
printf("powl(-11.0,%d)=%Lf\n", a, d);
// test 80-bit fdiv
long double e = (long double) 1 / (long double) b;
// CHECK-DAG: 1/0=inf
// CHECK-DAG: 1/1-1=-1.0
// CHECK-DAG: 1/-2=-0.50
printf("1/%d=%Lf\n", b, e);
return 0;
}
