Running command: translateModel(OpenHPL.Tests.HPSimplePenstockResKP,tolerance=0.0001,outputFormat="empty",numberOfIntervals=10000,variableFilter="",fileNamePrefix="OpenHPL_OpenHPL.Tests.HPSimplePenstockResKP") Notification: Performance of loadModel(OpenHPL): time 2.158/2.158, allocations: 258 MB / 271.8 MB, free: 13.63 MB / 234.7 MB Notification: Performance of FrontEnd - loaded program: time 3.975e-05/4.01e-05, allocations: 8 kB / 335.7 MB, free: 2.031 MB / 266.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1022/0.1022, allocations: 60.24 MB / 396 MB, free: 5.656 MB / 330.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.469/0.5712, allocations: 101.4 MB / 497.3 MB, free: 14.63 MB / 410.7 MB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002772/0.5716, allocations: 95.33 kB / 497.4 MB, free: 14.58 MB / 410.7 MB [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/OpenHPL 1.1.1/Tests/HPSimplePenstockResKP.mo:42:3-43:73:writable] Error: Failed to instantiate equation connect(discharge.n, tail.n);. Error: Error occurred while flattening model OpenHPL.Tests.HPSimplePenstockResKP Notification: Performance of FrontEnd: time 1.138/1.709, allocations: 207.3 MB / 0.6882 GB, free: 95.32 MB / 0.4948 GB