Running command: translateModel(OpenHPL.Tests.HPSimplePenstockPowerControl,tolerance=0.0001,outputFormat="empty",numberOfIntervals=10000,variableFilter="",fileNamePrefix="OpenHPL_OpenHPL.Tests.HPSimplePenstockPowerControl")
Notification: Performance of loadModel(OpenHPL): time 2.214/2.214, allocations: 256.4 MB / 268.5 MB, free: 12.26 MB / 218.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.444e-05/3.461e-05, allocations: 4 kB / 331.2 MB, free: 13.45 MB / 282.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3186/0.3187, allocations: 59.81 MB / 391 MB, free: 5.465 MB / 314.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 0.1439/0.4626, allocations: 97.38 MB / 488.4 MB, free: 3.949 MB / 410.7 MB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002915/0.4629, allocations: 83.95 kB / 488.5 MB, free: 3.867 MB / 410.7 MB
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/OpenHPL 1.0.2/Tests/HPSimplePenstockPowerControl.mo:47:3-48:73:writable] Error: Failed to instantiate equation 
connect(discharge.n, tail.n);.
Error: Error occurred while flattening model OpenHPL.Tests.HPSimplePenstockPowerControl
Notification: Performance of FrontEnd: time 0.06683/0.5298, allocations: 14.67 MB / 0.4914 GB, free: 5.164 MB / 426.7 MB