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 2.278/2.278, allocations: 258 MB / 265.1 MB, free: 5.477 MB / 218.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.253e-05/3.235e-05, allocations: 4 kB / 327.7 MB, free: 10.01 MB / 266.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1063/0.1064, allocations: 60.25 MB / 387.9 MB, free: 13.67 MB / 330.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 0.4511/0.5575, allocations: 100.7 MB / 488.6 MB, free: 6.535 MB / 378.7 MB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002169/0.5578, allocations: 86.83 kB / 488.6 MB, free: 6.523 MB / 378.7 MB
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/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 1.083/1.641, allocations: 205.7 MB / 0.6781 GB, free: 124.7 MB / 0.5105 GB