NO
Nontermination proof succeeded
Found this recurrent set for cutpoint 7: 0 <= arg1 and arg1 <= 9 and 0 <= arg1P and arg1P <= 9 and 0 <= arg2 and 0 <= arg2P and 0 <= arg3 and 0 <= arg3P and arg1-arg3 <= 0 and 0 <= arg1+arg3 and arg1-arg3P <= 0 and 0 <= arg1+arg3P and arg1P-arg1 <= 0 and arg1-arg1P <= 0 and arg1P+arg1 <= 18 and 0 <= arg1P+arg1 and arg1P-arg2P <= 0 and 0 <= arg1P+arg2P and arg1P-arg3 <= 0 and 0 <= arg1P+arg3 and arg1P-arg3P <= 0 and 0 <= arg1P+arg3P and arg1-arg2 <= 0 and 0 <= arg2+arg1 and arg1P-arg2 <= 0 and 0 <= arg2+arg1P and arg2-arg2P <= 0 and arg2P-arg2 <= 0 and 0 <= arg2+arg2P and arg2-arg3 <= 0 and arg3-arg2 <= 0 and 0 <= arg2+arg3 and arg2-arg3P <= 0 and arg3P-arg2 <= 0 and 0 <= arg2+arg3P and arg1-arg2P <= 0 and 0 <= arg2P+arg1 and arg2P-arg3 <= 0 and arg3-arg2P <= 0 and 0 <= arg2P+arg3 and arg2P-arg3P <= 0 and arg3P-arg2P <= 0 and 0 <= arg2P+arg3P and arg3P-arg3 <= 0 and arg3-arg3P <= 0 and 0 <= arg3P+arg3 and -arg2+6 <= 0 and arg3-arg2 <= 0 and -arg3+arg2 <= 0
Errors: