islands.adb:19:20: medium: precondition might fail, cannot prove Visited_Array(i,j)/=true (e.g. when i = 1 and j = 1)[#0]
islands.adb:20:20: medium: precondition might fail, cannot prove Visited_Array(i,j)/=true (e.g. when i = 1 and j = 1)[#1]
islands.adb:21:20: medium: precondition might fail, cannot prove Visited_Array(i,j)/=true (e.g. when i = 1 and j = 1)[#2]
islands.adb:22:20: medium: precondition might fail, cannot prove Visited_Array(i,j)/=true (e.g. when i = 1 and j = 1)[#3]
islands.adb:40:31: medium: overflow check might fail[#6]
islands.ads:30:28: medium: array index check might fail (e.g. when i = 0)[#4]
islands.ads:30:30: medium: array index check might fail[#5]
islands.ads:35:14: medium: postcondition might fail, cannot prove Count_Islands'Result < (N * M)[#7]
