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 2.202/2.202, allocations: 256.4 MB / 268.5 MB, free: 12.25 MB / 218.7 MB Notification: Performance of FrontEnd - loaded program: time 5.288e-05/5.317e-05, allocations: 7.984 kB / 331.2 MB, free: 13.43 MB / 282.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3293/0.3294, allocations: 59.8 MB / 391 MB, free: 5.473 MB / 314.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.1481/0.4776, allocations: 101.1 MB / 492.2 MB, free: 192 kB / 410.7 MB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002711/0.4779, allocations: 87.95 kB / 492.3 MB, free: 104 kB / 410.7 MB [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/OpenHPL 1.0.2/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 1.055/1.533, allocations: 206.9 MB / 0.6827 GB, free: 208 kB / 474.7 MB