adjusted code to deal with changes in UnrollSymbol

2 jobs for rnn in 2 minutes and 52 seconds (queued for 10 minutes and 25 seconds)
Status Job ID Name Coverage
  Windows
passed #441892
Windows10
masterJobWindows

00:01:55

 
  Linux
failed #441893
BranchJobLinux

00:00:56

 
Name Stage Failure
failed
BranchJobLinux Linux
[ERROR]   location: class de.monticore.lang.monticar.cnnarch.generator.LayerSupportChecker
[ERROR] -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
ERROR: Job failed: exit code 1