Does Celonis offer capabilities to simulate business processes performance? If a business process is found to be in-efficient, does Celonis offer capabilities to simulate an optimized version of the same process?

Yes Celonis does have a Process Simulation module for the following

• Process Simulation allows you to measure the impact of potential changes on your processes and assess their effect on operations.
• Simulation is powerful in assessing the combined impact of multiple changes in the process.

To learn more about Celonis Process Simulation, see the free online training https://academy.celonis.com/courses/celonis-process-simulation

You can also find more details for the same here

https://docs.celonis.com/en/process-simulation.html

https://docs.celonis.com/en/digital-twin-extraction

https://docs.celonis.com/en/scenario-simulation