1. add RemainedDownPredicates 2. fix core dump when _scan_ranges is empty 3. fix invalid memory access on vLiteral's debug_string() 4. enlarge mv test wait time
1. add RemainedDownPredicates 2. fix core dump when _scan_ranges is empty 3. fix invalid memory access on vLiteral's debug_string() 4. enlarge mv test wait time