Running command: translateModel(OpenHPL.Tests.HPSimplePenstockPowerControl,tolerance=0.0001,outputFormat="empty",numberOfIntervals=10000,variableFilter="",fileNamePrefix="OpenHPL_OpenHPL.Tests.HPSimplePenstockPowerControl")
Notification: Performance of loadModel(OpenHPL): time 2.187/2.187, allocations: 258 MB / 271.8 MB, free: 13.64 MB / 234.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.843e-05/3.852e-05, allocations: 7.984 kB / 335.7 MB, free: 2.066 MB / 266.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.104/0.104, allocations: 60.25 MB / 396 MB, free: 5.688 MB / 330.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 0.4297/0.5338, allocations: 97.6 MB / 493.6 MB, free: 2.309 MB / 394.7 MB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002758/0.5341, allocations: 95.27 kB / 493.7 MB, free: 2.258 MB / 394.7 MB
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/OpenHPL 1.1.1/Tests/HPSimplePenstockPowerControl.mo:47:3-48:73:writable] Error: Failed to instantiate equation 
connect(discharge.n, tail.n);.
Error: Error occurred while flattening model OpenHPL.Tests.HPSimplePenstockPowerControl
Notification: Performance of FrontEnd: time 0.08119/0.6153, allocations: 14.74 MB / 0.4965 GB, free: 5.379 MB / 410.7 MB