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 2.292/2.292, allocations: 257 MB / 269.1 MB, free: 11.77 MB / 218.7 MB Notification: Performance of FrontEnd - loaded program: time 5.712e-05/5.723e-05, allocations: 12 kB / 332 MB, free: 12.79 MB / 282.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.336/0.3361, allocations: 59.97 MB / 392 MB, free: 4.621 MB / 314.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.1496/0.4857, allocations: 102.5 MB / 494.5 MB, free: 13.96 MB / 426.7 MB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002576/0.486, allocations: 91.95 kB / 494.6 MB, free: 13.87 MB / 426.7 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 0.08062/0.5667, allocations: 17.39 MB / 0.5 GB, free: 12.43 MB / 442.7 MB