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 2.247/2.247, allocations: 257 MB / 269.1 MB, free: 11.77 MB / 218.7 MB Notification: Performance of FrontEnd - loaded program: time 4.272e-05/4.282e-05, allocations: 12 kB / 332 MB, free: 12.79 MB / 282.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3157/0.3158, allocations: 59.97 MB / 392 MB, free: 4.629 MB / 314.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.1431/0.4589, allocations: 96.22 MB / 488.2 MB, free: 4.266 MB / 410.7 MB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002692/0.4592, allocations: 87.89 kB / 488.3 MB, free: 4.18 MB / 410.7 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 0.06895/0.5282, allocations: 15.49 MB / 0.492 GB, free: 4.652 MB / 426.7 MB