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 2.237/2.237, allocations: 257 MB / 269.1 MB, free: 11.75 MB / 218.7 MB Notification: Performance of FrontEnd - loaded program: time 3.839e-05/3.848e-05, allocations: 7.938 kB / 332 MB, free: 12.77 MB / 282.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3489/0.349, allocations: 59.97 MB / 392 MB, free: 4.609 MB / 314.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.1503/0.4993, allocations: 102.5 MB / 494.5 MB, free: 13.93 MB / 426.7 MB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002704/0.4996, allocations: 83.95 kB / 494.6 MB, free: 13.85 MB / 426.7 MB [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/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 0.7163/1.216, allocations: 103.8 MB / 0.5844 GB, free: 86.79 MB / 458.7 MB