BPMN Process with swimlane created from business-central has been distorted while opening in JBDS

Description of problem:
I have create BPMN Process which contains swimlane using business-central. And tried to open the same process via JBDS but it got distorted. And if same process is being created without swimlane than it's working fine.

Version-Release number of selected component (if applicable):
BPM Suite 6.2.0

How reproducible:

Steps to Reproduce:
1. Create a business process using swimlane.
2. Save the process and try to open it in JBDS 8 / JBDS 9
3. After opening the process, the arrows got distorted.

Actual results:
The process, which is being created using Business Central, is getting distorted while trying to open in JBDS.

Expected results:
The process should not be distorted and it should be opened with the same format as it is being saved in business-central.

Additional info:
If the swimlane has been removed than the process is not get distorted. I have added sample business process which was created in business central.