Running command: translateModel(OpenHPL.Tests.HPSimplePenstockFrancisGener,tolerance=0.0001,outputFormat="empty",numberOfIntervals=10000,variableFilter="",fileNamePrefix="OpenHPL_OpenHPL.Tests.HPSimplePenstockFrancisGener")
Notification: Performance of loadModel(OpenHPL): time 2.254/2.254, allocations: 256.4 MB / 268.5 MB, free: 12.25 MB / 218.7 MB
Notification: Performance of FrontEnd - loaded program: time 4.375e-05/4.387e-05, allocations: 12 kB / 331.2 MB, free: 13.43 MB / 282.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3218/0.3218, allocations: 59.8 MB / 391 MB, free: 5.449 MB / 314.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 0.1496/0.4715, allocations: 102.4 MB / 493.5 MB, free: 14.85 MB / 426.7 MB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002477/0.4718, allocations: 87.94 kB / 493.6 MB, free: 14.77 MB / 426.7 MB
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/OpenHPL 1.0.2/Tests/HPSimplePenstockFrancisGener.mo:65:3-66:73:writable] Error: Failed to instantiate equation 
connect(discharge.n, tail.n);.
Error: Error occurred while flattening model OpenHPL.Tests.HPSimplePenstockFrancisGener
Notification: Performance of FrontEnd: time 0.08165/0.5535, allocations: 17.39 MB / 0.499 GB, free: 13.33 MB / 442.7 MB