Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/./OMCompiler/build/lib/omlibrary/ --ompython_omhome=/usr ModelicaTest_3.2.2_cpp_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpDefaultLV.conf.json Using package ModelicaServices with version 3.2.2 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/ModelicaServices 3.2.2/package.mo) Using package Complex with version 3.2.2 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Complex 3.2.2.mo) Using package Modelica with version 3.2.2 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Modelica 3.2.2/package.mo) Using package ModelicaTest with version 3.2.2 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/ModelicaTest 3.2.2/package.mo) Running command: translateModel(ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpDefaultLV,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|Source.ports.1..m_flow|Source.ports.1..p|Source.ports.1..h_outflow|Sink.ports.1..m_flow|Sink.ports.1..p|Sink.ports.1..h_outflow|pump.port_b.m_flow|pump.port_b.p|pump.port_b.h_outflow|valveOpening.y|Valve.port_b.m_flow|Valve.port_b.p|Valve.port_b.h_outflow|downstreamPressure.y",fileNamePrefix="ModelicaTest_3.2.2_cpp_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpDefaultLV") Notification: Performance of loadModel(ModelicaTest): time 2.491/2.491, allocations: 234.9 MB / 251.1 MB, free: 9.555 MB / 202.7 MB Notification: Performance of FrontEnd - loaded program: time 0.000623/0.0006233, allocations: 12 kB / 315 MB, free: 9.602 MB / 266.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3894/0.3901, allocations: 54.87 MB / 369.8 MB, free: 10.73 MB / 298.7 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpDefaultLV): time 0.06695/0.4571, allocations: 34.86 MB / 404.7 MB, free: 7.773 MB / 330.7 MB Notification: Performance of NFInst.instExpressions: time 0.03065/0.4879, allocations: 13.93 MB / 418.6 MB, free: 9.809 MB / 346.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001241/0.4892, allocations: 27.75 kB / 418.6 MB, free: 9.781 MB / 346.7 MB Notification: Performance of NFTyping.typeComponents: time 0.002068/0.4913, allocations: 382.2 kB / 419 MB, free: 9.406 MB / 346.7 MB Notification: Performance of NFTyping.typeBindings: time 0.01922/0.5106, allocations: 3.861 MB / 422.9 MB, free: 5.535 MB / 346.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.009129/0.5198, allocations: 1.843 MB / 424.7 MB, free: 3.688 MB / 346.7 MB Notification: Performance of NFFlatten.flatten: time 0.003042/0.5229, allocations: 1.032 MB / 425.8 MB, free: 2.652 MB / 346.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.001108/0.524, allocations: 345.2 kB / 426.1 MB, free: 2.301 MB / 346.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.002518/0.5266, allocations: 0.6151 MB / 426.7 MB, free: 1.684 MB / 346.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.01072/0.5374, allocations: 3.516 MB / 430.2 MB, free: 14.16 MB / 362.7 MB Notification: Performance of NFPackage.collectConstants: time 0.000292/0.5377, allocations: 28 kB / 430.2 MB, free: 14.14 MB / 362.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.02353/0.5613, allocations: 7.394 MB / 437.6 MB, free: 6.734 MB / 362.7 MB Notification: Performance of NFScalarize.scalarize: time 0.000424/0.5618, allocations: 135.5 kB / 437.8 MB, free: 6.602 MB / 362.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0004042/0.5622, allocations: 165.4 kB / 437.9 MB, free: 6.434 MB / 362.7 MB Notification: Performance of NFConvertDAE.convert: time 0.0113/0.5735, allocations: 3.434 MB / 441.4 MB, free: 2.992 MB / 362.7 MB Notification: Performance of FrontEnd - DAE generated: time 5.771e-06/0.5736, allocations: 0 / 441.4 MB, free: 2.992 MB / 362.7 MB Notification: Performance of FrontEnd: time 3.326e-06/0.5736, allocations: 0 / 441.4 MB, free: 2.992 MB / 362.7 MB Notification: Performance of Transformations before backend: time 3.443e-05/0.5737, allocations: 0 / 441.4 MB, free: 2.992 MB / 362.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 137 * Number of variables: 137 Notification: Performance of Generate backend data structure: time 0.006185/0.5799, allocations: 1.458 MB / 442.8 MB, free: 1.484 MB / 362.7 MB Notification: Performance of prepare preOptimizeDAE: time 6.209e-05/0.58, allocations: 12.03 kB / 442.8 MB, free: 1.473 MB / 362.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.00327/0.5832, allocations: 298.9 kB / 443.1 MB, free: 1.18 MB / 362.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001554/0.5849, allocations: 0.4927 MB / 443.6 MB, free: 0.6484 MB / 362.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 9.866e-05/0.585, allocations: 49.25 kB / 443.7 MB, free: 0.6016 MB / 362.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001392/0.5852, allocations: 60 kB / 443.7 MB, free: 0.543 MB / 362.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00421/0.5894, allocations: 0.9478 MB / 444.7 MB, free: 15.53 MB / 378.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 3.469e-05/0.5895, allocations: 11.92 kB / 444.7 MB, free: 15.52 MB / 378.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001324/0.5897, allocations: 27.98 kB / 444.7 MB, free: 15.49 MB / 378.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.942e-05/0.5897, allocations: 24.94 kB / 444.7 MB, free: 15.47 MB / 378.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004519/0.5943, allocations: 0.8779 MB / 445.6 MB, free: 14.59 MB / 378.7 MB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.009078/0.6034, allocations: 4.655 MB / 450.3 MB, free: 9.504 MB / 378.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.004202/0.6077, allocations: 0.7739 MB / 451 MB, free: 8.723 MB / 378.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.07841/0.6862, allocations: 21.65 MB / 472.7 MB, free: 420 kB / 394.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.289e-05/0.6863, allocations: 34.56 kB / 472.7 MB, free: 376 kB / 394.7 MB Notification: Performance of pre-optimization done (n=43): time 4.438e-06/0.6863, allocations: 0 / 472.7 MB, free: 376 kB / 394.7 MB Notification: Performance of matching and sorting (n=58): time 0.3586/1.045, allocations: 3.048 MB / 475.8 MB, free: 96.17 MB / 394.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 6.929e-05/1.045, allocations: 112 kB / 475.9 MB, free: 96.04 MB / 394.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008672/1.046, allocations: 431.6 kB / 476.3 MB, free: 95.83 MB / 394.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0001796/1.046, allocations: 36.77 kB / 476.3 MB, free: 95.79 MB / 394.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0002975/1.046, allocations: 376.9 kB / 476.7 MB, free: 95.47 MB / 394.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0003089/1.047, allocations: 198.9 kB / 476.9 MB, free: 95.32 MB / 394.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 6.66e-05/1.047, allocations: 11.59 kB / 476.9 MB, free: 95.32 MB / 394.7 MB Notification: Performance of setup shared object (initialization): time 0.0001086/1.047, allocations: 337.3 kB / 477.2 MB, free: 94.99 MB / 394.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001558/1.049, allocations: 326.4 kB / 477.6 MB, free: 94.89 MB / 394.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001733/1.05, allocations: 0.5186 MB / 478.1 MB, free: 94.55 MB / 394.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001717/1.052, allocations: 372.5 kB / 478.4 MB, free: 94.43 MB / 394.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.084e-05/1.052, allocations: 2.219 kB / 478.4 MB, free: 94.43 MB / 394.7 MB Notification: Performance of matching and sorting (n=85) (initialization): time 0.006195/1.058, allocations: 1.169 MB / 479.6 MB, free: 94.03 MB / 394.7 MB Notification: Performance of prepare postOptimizeDAE: time 0.0001987/1.059, allocations: 277.9 kB / 479.9 MB, free: 93.7 MB / 394.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.835e-05/1.059, allocations: 7.562 kB / 479.9 MB, free: 93.7 MB / 394.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.005695/1.064, allocations: 0.5504 MB / 480.4 MB, free: 93.62 MB / 394.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001015/1.065, allocations: 145 kB / 480.6 MB, free: 93.6 MB / 394.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003406/1.069, allocations: 1.56 MB / 482.1 MB, free: 92.38 MB / 394.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001492/1.07, allocations: 96.56 kB / 482.2 MB, free: 92.35 MB / 394.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001673/1.071, allocations: 35.36 kB / 482.3 MB, free: 92.35 MB / 394.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.895e-05/1.071, allocations: 7.156 kB / 482.3 MB, free: 92.35 MB / 394.7 MB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.006019/1.077, allocations: 1.026 MB / 483.3 MB, free: 92 MB / 394.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.293e-05/1.077, allocations: 3.938 kB / 483.3 MB, free: 92 MB / 394.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.00496/1.082, allocations: 442.3 kB / 483.7 MB, free: 91.91 MB / 394.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001264/1.083, allocations: 150.6 kB / 483.9 MB, free: 91.89 MB / 394.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00354/1.087, allocations: 1.497 MB / 485.4 MB, free: 90.67 MB / 394.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001519/1.088, allocations: 88.09 kB / 485.5 MB, free: 90.65 MB / 394.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001527/1.089, allocations: 34.53 kB / 485.5 MB, free: 90.64 MB / 394.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 27 * Number of states: 0 () * Number of discrete variables: 6 (Source.medium.phase,Sink.medium.phase,pump.heatTransfer.states[1].phase,Valve.state_b.phase,Valve.state_a.phase,pump.monitoring.state_in.phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (63): * Single equations (assignments): 61 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 2 {2 9,3 10} Notification: Performance of prepare postOptimizeDAE: time 0.0008121/1.089, allocations: 299.1 kB / 485.8 MB, free: 90.38 MB / 394.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002997/1.09, allocations: 59 kB / 485.9 MB, free: 90.36 MB / 394.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01109/1.101, allocations: 3.449 MB / 489.3 MB, free: 88.59 MB / 394.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.357e-05/1.101, allocations: 3.984 kB / 489.3 MB, free: 88.59 MB / 394.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.225e-06/1.101, allocations: 3.844 kB / 489.3 MB, free: 88.59 MB / 394.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0008763/1.102, allocations: 319.6 kB / 489.6 MB, free: 88.31 MB / 394.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002767/1.102, allocations: 14.94 kB / 489.6 MB, free: 88.3 MB / 394.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001747/1.104, allocations: 108.9 kB / 489.7 MB, free: 88.25 MB / 394.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003348/1.104, allocations: 63.03 kB / 489.8 MB, free: 88.21 MB / 394.7 MB [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/DAEMode.mo:522:7-524:90:writable] Error: Internal error DAEMode.traverserStrongComponents failed on equation: 1/1 (1): pump.heatTransfer.states[1].phase = if pump.medium.h < $cse9.h or pump.medium.h > $cse10.h or pump.medium.p > 22064000.0 then 1 else 2 2/2 (16): $cse11 = Modelica.Media.Water.IF97_Utilities.waterBaseProp_ph(pump.medium.p, pump.medium.h, pump.heatTransfer.states[1].phase, 0) 3/18 (1): pump.rho = $cse11.rho 4/19 (1): pump.Hb_flow = smooth(0, pump.m_flow * (if pump.m_flow > 0.0 then Source.ports[1].h_outflow else pump.medium.h)) + smooth(0, (-pump.m_flow) * (if (-pump.m_flow) > 0.0 then Sink.ports[1].h_outflow else pump.medium.h)) 5/20 (1): pump.m_flow = valveOpening.k * Valve.k * Valve.dp 6/21 (1): Valve.dp = pump.medium.p - Sink.ports[1].p 7/22 (13): $cse9 = Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.boilingcurve_p(pump.medium.p) 8/35 (13): $cse10 = Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.dewcurve_p(pump.medium.p) 9/48 (1): pump.dp_pump = -100000.0 + pump.medium.p 10/49 (1): pump.head = pump.dp_pump / (pump.rho * pump.g) 11/50 (1): pump.V_flow = pump.m_flow / pump.rho 12/51 (1): pump.V_flow_single = pump.V_flow / /*Real*/(pump.nParallel) 13/52 (1): $cse18 = ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpDefaultLV.pump.flowCharacteristic(pump.V_flow_single * pump.N_nominal / pump.N, {0.0, 0.001, 0.0015}, {100.0, 50.0, 0.0}) 14/53 (1): pump.head = (pump.N / pump.N_nominal) ^ 2.0 * $cse18 15/54 (1): pump.eta = ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpDefaultLV.pump.efficiencyCharacteristic(pump.V_flow_single * pump.N_nominal / pump.N, 0.8) 16/55 (1): pump.W_single = pump.dp_pump * pump.V_flow_single / pump.eta 17/56 (1): -pump.Hb_flow = pump.W_single * /*Real*/(pump.nParallel) Variables: 1: pump.Hb_flow:DUMMY_STATE(unit = "W" stateSelect=StateSelect.never ) "Enthalpy flow across boundaries or energy source/sink" type: Real 2: pump.W_single:DUMMY_STATE(unit = "W" stateSelect=StateSelect.never ) "Power Consumption (single pump)" type: Real 3: pump.eta:DUMMY_STATE(stateSelect=StateSelect.never ) "Global Efficiency" type: Real 4: pump.head:DUMMY_STATE(min = 0.0 unit = "m" stateSelect=StateSelect.never ) "Pump head" type: Real 5: $cse18:VARIABLE(protected = true ) type: Real unreplaceable 6: pump.V_flow_single:DUMMY_STATE(start = pump.m_flow_start / (pump.rho_nominal * /*Real*/(pump.nParallel)) unit = "m3/s" stateSelect=StateSelect.never ) "Volume flow rate (single pump)" type: Real 7: pump.V_flow:DUMMY_STATE(unit = "m3/s" stateSelect=StateSelect.never ) "Volume flow rate (total)" type: Real 8: pump.rho:DUMMY_STATE(min = 0.0 max = 100000.0 start = 150.0 unit = "kg/m3" nominal = 500.0 stateSelect=StateSelect.never ) type: Real 9: pump.dp_pump:DUMMY_STATE(unit = "Pa" stateSelect=StateSelect.never ) "Pressure increase" type: Real 10: $cse10.cp:VARIABLE(protected = true ) type: Real unreplaceable 11: $cse10.dpT:VARIABLE(protected = true ) type: Real unreplaceable 12: $cse10.cv:VARIABLE(protected = true ) type: Real unreplaceable 13: $cse10.vt:VARIABLE(protected = true ) type: Real unreplaceable 14: $cse10.R:VARIABLE(protected = true ) type: Real unreplaceable 15: $cse10.pt:VARIABLE(protected = true ) type: Real unreplaceable 16: $cse10.d:VARIABLE(protected = true ) type: Real unreplaceable 17: $cse10.pd:VARIABLE(protected = true ) type: Real unreplaceable 18: $cse10.s:VARIABLE(protected = true ) type: Real unreplaceable 19: $cse10.h:VARIABLE(protected = true ) type: Real unreplaceable 20: $cse10.vp:VARIABLE(protected = true ) type: Real unreplaceable 21: $cse10.T:VARIABLE(protected = true ) type: Real unreplaceable 22: $cse10.region3boundary:DISCRETE(protected = true ) type: Boolean unreplaceable 23: $cse9.vp:VARIABLE(protected = true ) type: Real unreplaceable 24: $cse9.cp:VARIABLE(protected = true ) type: Real unreplaceable 25: $cse9.cv:VARIABLE(protected = true ) type: Real unreplaceable 26: $cse9.d:VARIABLE(protected = true ) type: Real unreplaceable 27: $cse9.region3boundary:DISCRETE(protected = true ) type: Boolean unreplaceable 28: $cse9.dpT:VARIABLE(protected = true ) type: Real unreplaceable 29: $cse9.R:VARIABLE(protected = true ) type: Real unreplaceable 30: $cse9.h:VARIABLE(protected = true ) type: Real unreplaceable 31: $cse9.s:VARIABLE(protected = true ) type: Real unreplaceable 32: $cse9.pt:VARIABLE(protected = true ) type: Real unreplaceable 33: $cse9.pd:VARIABLE(protected = true ) type: Real unreplaceable 34: $cse9.T:VARIABLE(protected = true ) type: Real unreplaceable 35: $cse9.vt:VARIABLE(protected = true ) type: Real unreplaceable 36: pump.medium.p:DUMMY_STATE(flow=false min = 611.657 max = 100000000.0 start = pump.p_start unit = "Pa" nominal = 100000.0 stateSelect=StateSelect.prefer ) "Absolute pressure of medium" type: Real 37: Valve.dp:DUMMY_STATE(start = Valve.dp_start unit = "Pa" stateSelect=StateSelect.never ) "Pressure difference between port_a and port_b (= port_a.p - port_b.p)" type: Real 38: pump.m_flow:DUMMY_STATE(min = -9.999999999999999e+59 max = 100000.0 start = pump.m_flow_start unit = "kg/s" stateSelect=StateSelect.never ) "Mass flow rate (total)" type: Real 39: $cse11.dpT:VARIABLE(protected = true ) type: Real unreplaceable 40: $cse11.cp:VARIABLE(protected = true ) type: Real unreplaceable 41: $cse11.rho:VARIABLE(protected = true ) type: Real unreplaceable 42: $cse11.R:VARIABLE(protected = true ) type: Real unreplaceable 43: $cse11.x:VARIABLE(protected = true ) type: Real unreplaceable 44: $cse11.vt:VARIABLE(protected = true ) type: Real unreplaceable 45: $cse11.pt:VARIABLE(protected = true ) type: Real unreplaceable 46: pump.medium.h:DUMMY_STATE(flow=false min = -10000000000.0 max = 10000000000.0 start = pump.h_start unit = "J/kg" nominal = 500000.0 stateSelect=StateSelect.prefer ) "Specific enthalpy of medium" type: Real 47: $cse11.h:VARIABLE(protected = true ) type: Real unreplaceable 48: $cse11.s:VARIABLE(protected = true ) type: Real unreplaceable 49: $cse11.region:DISCRETE(protected = true ) type: Integer unreplaceable 50: $cse11.vp:VARIABLE(protected = true ) type: Real unreplaceable 51: $cse11.pd:VARIABLE(protected = true ) type: Real unreplaceable 52: $cse11.T:VARIABLE(protected = true ) type: Real unreplaceable 53: $cse11.p:VARIABLE(protected = true ) type: Real unreplaceable 54: $cse11.phase:DISCRETE(protected = true ) type: Integer unreplaceable 55: $cse11.cv:VARIABLE(protected = true ) type: Real unreplaceable 56: pump.heatTransfer.states[1].phase:DISCRETE(min = 0 max = 2 final = true ) "Phase of the fluid: 1 for 1-phase, 2 for two-phase, 0 for not known, e.g., interactive use" type: Integer [1] [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/BackendDAEUtil.mo:9703:5-9704:77:writable] Error: Internal error BackendDAEUtil.traverseEqSystemStrongComponents failed with function: omc_DAEMode_traverserStrongComponents Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.002426/1.107, allocations: 1.231 MB / 491 MB, free: 86.94 MB / 394.7 MB Error: post-optimization module createDAEmodeBDAE (simulation) failed.