Running command: translateModel(OpenHPL.Tests.HPElasticKPPenstockCompres,tolerance=0.0001,outputFormat="empty",numberOfIntervals=10000,variableFilter="",fileNamePrefix="OpenHPL_OpenHPL.Tests.HPElasticKPPenstockCompres")
Notification: Performance of loadModel(OpenHPL): time 2.339/2.339, allocations: 258 MB / 265.1 MB, free: 5.477 MB / 218.7 MB
Notification: Performance of FrontEnd - loaded program: time 2.453e-05/2.472e-05, allocations: 8 kB / 327.7 MB, free: 10.02 MB / 266.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1239/0.1239, allocations: 60.25 MB / 387.9 MB, free: 13.67 MB / 330.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 0.4261/0.5501, allocations: 102 MB / 489.9 MB, free: 6.133 MB / 378.7 MB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002295/0.5504, allocations: 89.05 kB / 490 MB, free: 6.121 MB / 378.7 MB
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OMCompiler/build/lib/omlibrary/OpenHPL 1.1.1/Tests/HPElasticKPPenstockCompres.mo:41:3-42:97:writable] Error: Failed to instantiate equation 
connect(discharge.n, tail.n);.
Error: Error occurred while flattening model OpenHPL.Tests.HPElasticKPPenstockCompres
Notification: Performance of FrontEnd: time 0.4739/1.024, allocations: 103.1 MB / 0.5792 GB, free: 14.09 MB / 474.7 MB