Narrowing.c

contents

extern int __VERIFIER_nondet_int(void);

int foo(int i,int range,int up){
range = 20;
up = 0;
while (0 <= i && i <= range) {
        if (i == 0) {
            up = 1;
        }
        if (i == range) {
            up = 0;
        }
        if (up == 1) {
            i = i+1;
        }
        if (up == 0) {
            i = i-1;
        }
        if (i == range-2) {
            range = range-1;
        }
    }
return 0;
}

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