Cancelled processes does not appear in the Manage Processes: Process Instances view. We can only see “All running processes” and “Error and Failed Processes”.
To check the cancelled or successful BPM processes follow the steps below
Go to NetWeaver Administrator. Availability and Performance Tab. Choose BPM System Overview
Clicking on number next to Cancelled will take you to a list of cancelled BPM Processes
Similarly you can check the status of Successful BPM messages and its Context Data.