Running command: translateModel(OpenHPL.Tests.HPSimplePenstock,tolerance=0.0001,outputFormat="empty",numberOfIntervals=10000,variableFilter="",fileNamePrefix="OpenHPL_OpenHPL.Tests.HPSimplePenstock")
Notification: Performance of loadModel(OpenHPL): time 2.429/2.429, allocations: 258 MB / 265.1 MB, free: 5.469 MB / 218.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.15e-05/3.165e-05, allocations: 8 kB / 327.7 MB, free: 9.992 MB / 266.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1089/0.109, allocations: 60.24 MB / 387.9 MB, free: 13.67 MB / 330.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 0.4268/0.5358, allocations: 95.68 MB / 483.6 MB, free: 7.828 MB / 378.7 MB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003435/0.5362, allocations: 83.92 kB / 483.7 MB, free: 7.816 MB / 378.7 MB
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OMCompiler/build/lib/omlibrary/OpenHPL 1.1.1/Tests/HPSimplePenstock.mo:51:3-52:85:writable] Error: Failed to instantiate equation 
connect(discharge.p, pipe2.n);.
Error: Error occurred while flattening model OpenHPL.Tests.HPSimplePenstock
Notification: Performance of FrontEnd: time 0.09633/0.6326, allocations: 15.23 MB / 498.9 MB, free: 2.602 MB / 378.7 MB