Optimization Engine Inconsistency: Single vs. Multiple Vehicle Processing

I’d like to report an issue I’ve encountered with the optimization engine. I’ve noticed that the optimization results differ significantly when processing multiple orders for multiple vehicles compared to when processing a single vehicle with a list of tasks.

Here’s an example:

I input 30 vehicles and 700 orders. The engine generates several routes, including one with a single vehicle and a sequence of checkpoints. The estimated route duration is 18 hours.

I then submit only that specific route back into the engine with the exact same parameters. The result? An estimated time of 12 hours with a reordered sequence of checkpoints.

This discrepancy is concerning. Ideally, I’d like to avoid having to reprocess each individual route and trust the initial optimization results.

Is this a known issue? Are there any settings or configurations I can adjust to ensure consistency between the two optimization scenarios?

Any insights or assistance would be greatly appreciated.

Thanks!