NO
Nontermination proof succeeded
Found this recurrent set for cutpoint 6: 2 <= arg1 and 2 <= arg1P and 2 <= arg2 and 2 <= arg2P and 2 <= arg3 and 2 <= arg3P and 0 <= arg4 and 0 <= arg4P and arg1-arg2 <= 0 and arg2-arg1 <= 0 and 4 <= arg1+arg2 and arg1-arg3 <= 0 and arg3-arg1 <= 0 and 4 <= arg1+arg3 and arg4P-arg1 <= -2 and 2 <= arg1+arg4P and arg1P-arg1 <= 0 and arg1-arg1P <= 0 and 4 <= arg1P+arg1 and arg1P-arg2 <= 0 and arg2-arg1P <= 0 and 4 <= arg1P+arg2 and arg1P-arg2P <= 0 and arg2P-arg1P <= 0 and 4 <= arg1P+arg2P and arg1P-arg3 <= 0 and arg3-arg1P <= 0 and 4 <= arg1P+arg3 and arg1P-arg3P <= 0 and arg3P-arg1P <= 0 and 4 <= arg1P+arg3P and arg4P-arg1P <= -2 and 2 <= arg1P+arg4P and arg2-arg3 <= 0 and arg3-arg2 <= 0 and 4 <= arg2+arg3 and arg4P-arg2 <= -2 and 2 <= arg2+arg4P and arg2P-arg1 <= 0 and arg1-arg2P <= 0 and 4 <= arg2P+arg1 and arg2P-arg2 <= 0 and arg2-arg2P <= 0 and 4 <= arg2P+arg2 and arg2P-arg3 <= 0 and arg3-arg2P <= 0 and 4 <= arg2P+arg3 and arg2P-arg3P <= 0 and arg3P-arg2P <= 0 and 4 <= arg2P+arg3P and arg4P-arg2P <= -2 and 2 <= arg2P+arg4P and arg4P-arg3 <= -2 and 2 <= arg3+arg4P and arg3P-arg1 <= 0 and arg1-arg3P <= 0 and 4 <= arg3P+arg1 and arg3P-arg2 <= 0 and arg2-arg3P <= 0 and 4 <= arg3P+arg2 and arg3P-arg3 <= 0 and arg3-arg3P <= 0 and 4 <= arg3P+arg3 and arg4P-arg3P <= -2 and 2 <= arg3P+arg4P and arg4-arg1 <= -2 and 2 <= arg4+arg1 and arg4-arg1P <= -2 and 2 <= arg4+arg1P and arg4-arg2 <= -2 and 2 <= arg4+arg2 and arg4-arg2P <= -2 and 2 <= arg4+arg2P and arg4-arg3 <= -2 and 2 <= arg4+arg3 and arg4-arg3P <= -2 and 2 <= arg4+arg3P and arg4-arg4P <= 0 and arg4P-arg4 <= 0 and 0 <= arg4+arg4P and -arg2+1 <= 0 and -arg1+2 <= 0 and arg3-arg2 <= 0 and arg4-arg2 <= 0 and -arg3+arg2 <= 0 and -arg4 <= 0
Errors: