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 2.227/2.227, allocations: 257 MB / 269.2 MB, free: 11.75 MB / 218.7 MB
Notification: Performance of FrontEnd - loaded program: time 5.267e-05/5.279e-05, allocations: 4 kB / 332 MB, free: 12.77 MB / 282.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3183/0.3184, allocations: 59.98 MB / 392 MB, free: 4.605 MB / 314.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 0.1463/0.4647, allocations: 101.2 MB / 493.2 MB, free: 15.25 MB / 426.7 MB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002672/0.4651, allocations: 83.95 kB / 493.3 MB, free: 15.17 MB / 426.7 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 1.079/1.544, allocations: 206.9 MB / 0.6838 GB, free: 14.66 MB / 490.7 MB