Running command: translateModel(OpenHPL.Tests.HPSimplePenstock,tolerance=0.0001,outputFormat="empty",numberOfIntervals=10000,variableFilter="",fileNamePrefix="OpenHPL_OpenHPL.Tests.HPSimplePenstock")
Notification: Performance of loadModel(OpenHPL): time 2.174/2.174, allocations: 258 MB / 271.8 MB, free: 13.64 MB / 234.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.684e-05/3.694e-05, allocations: 4 kB / 335.7 MB, free: 2.062 MB / 266.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1035/0.1036, allocations: 60.24 MB / 396 MB, free: 5.691 MB / 330.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 0.402/0.5056, allocations: 96.38 MB / 492.3 MB, free: 3.52 MB / 394.7 MB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002706/0.5059, allocations: 90.52 kB / 492.4 MB, free: 3.473 MB / 394.7 MB
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/OpenHPL 1.1.1/Tests/HPSimplePenstock.mo:51:3-52:85:writable] Error: Failed to instantiate equation 
connect(discharge.p, pipe2.n);.
Error: Error occurred while flattening model OpenHPL.Tests.HPSimplePenstock
Notification: Performance of FrontEnd: time 0.07051/0.5765, allocations: 15.57 MB / 0.4961 GB, free: 5.781 MB / 410.7 MB