Running command: translateModel(OpenHPL.Tests.HPSimplePenstockFrancisGener,tolerance=0.0001,outputFormat="empty",numberOfIntervals=10000,variableFilter="",fileNamePrefix="OpenHPL_OpenHPL.Tests.HPSimplePenstockFrancisGener") Notification: Performance of loadModel(OpenHPL): time 2.194/2.194, allocations: 258 MB / 271.8 MB, free: 13.56 MB / 234.7 MB Notification: Performance of FrontEnd - loaded program: time 3.74e-05/3.749e-05, allocations: 4 kB / 335.7 MB, free: 2.039 MB / 266.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1036/0.1036, allocations: 60.25 MB / 396 MB, free: 5.668 MB / 330.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.4149/0.5186, allocations: 102.7 MB / 498.6 MB, free: 13.34 MB / 410.7 MB Notification: Performance of FrontEnd - mkProgramGraph: time 0.00027/0.5189, allocations: 88.77 kB / 498.7 MB, free: 13.3 MB / 410.7 MB [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/OpenHPL 1.1.1/Tests/HPSimplePenstockFrancisGener.mo:65:3-66:73:writable] Error: Failed to instantiate equation connect(discharge.n, tail.n);. Error: Error occurred while flattening model OpenHPL.Tests.HPSimplePenstockFrancisGener Notification: Performance of FrontEnd: time 0.08429/0.6032, allocations: 17.52 MB / 0.5041 GB, free: 13.51 MB / 426.7 MB