Function foo

    line 8
    max(A, 0)
    O(n)
      line 87
      max(0, ( max(B, 0) × max(A, 0) + max(B, 0)))
      O(n^2)
        line 60
        max(0, (2 +  max(0, (2 + max(0, (B + B)))) × max(0, ( max(B, 0) × max(A, 0) + max(B, 0))) + max(A, 0)))
        O(n^3)
          line 35
          max(0, ( max(0, (A + max(0, (4 + max(A, 0) + max(0, (B + B)))))) × max(0, (2 +  max(0, (2 + max(0, (B + B)))) × max(0, ( max(B, 0) × max(A, 0) + max(B, 0))) + max(A, 0))) + max(A, 0)))
          O(n^4)

Total Bound: max(A, 0) + max(0, ( max(B, 0) × max(A, 0) + max(B, 0))) + max(0, ( max(0, (A + max(0, (4 + max(A, 0) + max(0, (B + B)))))) × max(0, (2 +  max(0, (2 + max(0, (B + B)))) × max(0, ( max(B, 0) × max(A, 0) + max(B, 0))) + max(A, 0))) + max(A, 0))) + max(0, (2 +  max(0, (2 + max(0, (B + B)))) × max(0, ( max(B, 0) × max(A, 0) + max(B, 0))) + max(A, 0)))
Total Complexity: O(n^4)