New Measure between Probe Issue

Brand: DELMIA 

Application : Assembly Evaluation

Level: 3DEXPERIENCE R2018x HotFix 11

Scenario:

Find the minimum distance between two cars on a conveyor using new measure between probe. The car physical product contains a shell (exterior body) and solid parts (Chassis). When using any geometry and selecting the high level physical product the minimum distance is only calculated between solid objects.

and using generic measure between command from the tools section of the action bar, the minimum distance between the shells are different.

Anybody encountered a similar issue ? 

Cannot share the 3Dxml due to confidentiality.