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 2.356/2.356, allocations: 256.4 MB / 268.5 MB, free: 12.23 MB / 218.7 MB Notification: Performance of FrontEnd - loaded program: time 3.915e-05/3.927e-05, allocations: 7.984 kB / 331.2 MB, free: 13.41 MB / 282.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.315/0.315, allocations: 59.81 MB / 391 MB, free: 5.426 MB / 314.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.1467/0.4617, allocations: 96.16 MB / 487.2 MB, free: 5.133 MB / 410.7 MB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002788/0.4621, allocations: 79.95 kB / 487.3 MB, free: 5.055 MB / 410.7 MB [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/OpenHPL 1.0.2/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 0.06948/0.5316, allocations: 15.48 MB / 0.491 GB, free: 5.531 MB / 426.7 MB