Running command: translateModel(OpenHPL.Tests.HPElasticKPPenstock,tolerance=0.0001,outputFormat="empty",numberOfIntervals=10000,variableFilter="",fileNamePrefix="OpenHPL_OpenHPL.Tests.HPElasticKPPenstock")
Notification: Performance of loadModel(OpenHPL): time 2.275/2.275, allocations: 256.4 MB / 268.5 MB, free: 12.25 MB / 218.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.177e-05/3.192e-05, allocations: 4 kB / 331.2 MB, free: 13.43 MB / 282.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3199/0.3199, allocations: 59.8 MB / 391 MB, free: 5.461 MB / 314.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 0.152/0.472, allocations: 102.7 MB / 493.7 MB, free: 14.65 MB / 426.7 MB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002743/0.4723, allocations: 87.95 kB / 493.8 MB, free: 14.57 MB / 426.7 MB
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/OpenHPL 1.0.2/Tests/HPElasticKPPenstock.mo:41:3-42:97:writable] Error: Failed to instantiate equation 
connect(discharge.n, tail.n);.
Error: Error occurred while flattening model OpenHPL.Tests.HPElasticKPPenstock
Notification: Performance of FrontEnd: time 1.07/1.542, allocations: 194.6 MB / 0.6722 GB, free: 13.21 MB / 474.7 MB