#include "find3.h" size_type find3(const value_type* a, size_type n, value_type v) { /*@ loop invariant bound: 0 <= i <= n; loop invariant not_found: Find(a, i, v) == i; loop assigns i; loop variant n-i; */ for (size_type i = 0u; i < n; i++) { if (a[i] == v) { //@ assert found: Find(a, n, v) == i; return i; } } return n; }