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 2.342/2.342, allocations: 258 MB / 265.1 MB, free: 5.473 MB / 218.7 MB
Notification: Performance of FrontEnd - loaded program: time 2.567e-05/2.579e-05, allocations: 4.5 kB / 327.7 MB, free: 10 MB / 266.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1075/0.1075, allocations: 60.25 MB / 387.9 MB, free: 13.66 MB / 330.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 0.4346/0.5421, allocations: 102.2 MB / 490.1 MB, free: 6.137 MB / 378.7 MB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002371/0.5424, allocations: 90.92 kB / 490.2 MB, free: 6.125 MB / 378.7 MB
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OMCompiler/build/lib/omlibrary/OpenHPL 1.1.1/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 1.171/1.713, allocations: 193.4 MB / 0.6675 GB, free: 128.7 MB / 0.5105 GB