0 init 1 set check 1 2 set compactint 1 3 set compactmin 1 4 set elimint 1 5 set phase 0 6 set reduceint 0 7 add -3 8 add 2 9 add 1 10 add 0 11 add 2 12 add 3 13 add 0 14 solve 0 15 add -2 16 add 0 17 solve 0