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Re: [sumo-dev] SSM Device: failing assertion
Thank you for the report, It's now being tracked here. https://github.com/eclipse/sumo/issues/4556
If you manage to get a small failing example scenario, please attach it to the ticket.

regards,
Jakob


2018-09-07 16:00 GMT+02:00 Mirko Barthauer <m.barthauer@xxxxxxxxxxx>:

Hello everyone,

I got into trouble using the SSM device with my custom network. SUMO (very recent development version) crashes shortly after the first vehicles have entered the network. After some debugging, I have come across this failing assertion:

Assertion failed: egoLane == egoConflictLane, file D:\SUMO\sumo-eclipse-github\sumo\src\microsim\devices\MSDevice_SSM.cpp, line 1702

Different cases with respect to egoLane, egoConflictLane, foeLane and foeConflictLane are handled. This one is not: egoLane != egoConflictLane && foeLane != foeConflictLane. My network looks like that (see the screenshot below, too):

  • both egoConflictLane and foeConflictLane reference the same internal lane (downstream vvl_0)
  • foeLane (-gneE22_0) is located upstream of egoLane (vvl_0)
  • egoLane is allowed for a special vehicle class

At the moment, I cannot reproduce the error in a small demo network. Maybe you have an idea about what leads to the assertion case.

Regards
Mirko


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