Running command: translateModel(OpenHPL.Tests.HPSimplePenstockControl,tolerance=0.0001,outputFormat="empty",numberOfIntervals=10000,variableFilter="",fileNamePrefix="OpenHPL_OpenHPL.Tests.HPSimplePenstockControl")
[<interactive>:1:1-1:32:writable] Error: Class GC_set_max_heap_size not found in scope <global scope> (looking for a function or record).
Notification: Performance of loadModel(OpenHPL): time 2.048/2.048, allocations: 258 MB / 265 MB, free: 15.83 MB / 218.7 MB
Notification: Performance of FrontEnd - loaded program: time 1.216e-05/1.229e-05, allocations: 4 kB / 327.4 MB, free: 1.371 MB / 266.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2449/0.2449, allocations: 60.22 MB / 387.7 MB, free: 7.047 MB / 314.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 0.1475/0.3925, allocations: 98.92 MB / 486.6 MB, free: 4.68 MB / 410.7 MB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002783/0.3928, allocations: 87.95 kB / 486.7 MB, free: 4.594 MB / 410.7 MB
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OMCompiler/build/lib/omlibrary/OpenHPL 1.1.1/Tests/HPSimplePenstockControl.mo:50:3-51:61:writable] Error: Failed to instantiate equation 
connect(discharge.n, tail.n);.
Error: Error occurred while flattening model OpenHPL.Tests.HPSimplePenstockControl