binary search: relaxing the condition wrt the array length (no condition is needed, actually)
binary search: relaxing the condition wrt the array length (no condition is needed, actually)

douglas-larocca/why3,jpdeplaix/why3,ssaavedra/why3,douglas-larocca/why3,jpdeplaix/why3,douglas-larocca/why3,jpdeplaix/why3,ssaavedra/why3,ssaavedra/why3