NO
Nontermination proof succeeded
Found this recurrent set for cutpoint 9: arg1 == 0 and arg1P == 0 and arg2 == 0 and arg2P == 0 and arg3 == 1 and arg3P == 1 and arg4 == 0 and arg4P == 0 and x45 == 0 and x46 == 0 and x47 == 1 and x48 == 0 and x49 == 0 and x50 == 0 and x53 == 0 and x55 == 1 and x56 == 0 and x57 == 0 and x58 == 0
Errors: