Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/./OMCompiler/build/lib/omlibrary/ --ompython_omhome=/usr ModelicaTest_3.2.1_cpp_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpDefaultLV.conf.json Using package ModelicaServices with version 3.2.1 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/ModelicaServices 3.2.1/package.mo) Using package Complex with version 3.2.1 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Complex 3.2.1.mo) Using package Modelica with version 3.2.1 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Modelica 3.2.1/package.mo) Using package ModelicaTest with version 3.2.1 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/ModelicaTest 3.2.1/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_3.2.1_cpp_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpDefaultLV") Notification: Performance of loadModel(ModelicaTest): time 1.801/1.801, allocations: 209.2 MB / 225.4 MB, free: 0.5352 MB / 186.7 MB Notification: Performance of FrontEnd - loaded program: time 0.000406/0.0004059, allocations: 8 kB / 283.1 MB, free: 9.68 MB / 234.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3248/0.3252, allocations: 48.7 MB / 331.8 MB, free: 6.496 MB / 266.7 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpDefaultLV): time 0.05127/0.3765, allocations: 34.59 MB / 366.4 MB, free: 11.88 MB / 298.7 MB Notification: Performance of NFInst.instExpressions: time 0.02592/0.4025, allocations: 13.8 MB / 380.2 MB, free: 14.04 MB / 314.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.000907/0.4034, allocations: 27.75 kB / 380.2 MB, free: 14.02 MB / 314.7 MB Notification: Performance of NFTyping.typeComponents: time 0.001497/0.405, allocations: 378.2 kB / 380.6 MB, free: 13.64 MB / 314.7 MB Notification: Performance of NFTyping.typeBindings: time 0.01566/0.4206, allocations: 3.826 MB / 384.4 MB, free: 9.809 MB / 314.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.007145/0.4278, allocations: 1.811 MB / 386.3 MB, free: 7.992 MB / 314.7 MB Notification: Performance of NFFlatten.flatten: time 0.002125/0.4299, allocations: 1.02 MB / 387.3 MB, free: 6.969 MB / 314.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0006778/0.4306, allocations: 349.2 kB / 387.6 MB, free: 6.609 MB / 314.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.001602/0.4323, allocations: 0.5996 MB / 388.2 MB, free: 6.008 MB / 314.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.00883/0.4411, allocations: 3.477 MB / 391.7 MB, free: 2.523 MB / 314.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0001578/0.4413, allocations: 32 kB / 391.7 MB, free: 2.492 MB / 314.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.02043/0.4617, allocations: 7.261 MB / 399 MB, free: 11.22 MB / 330.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0002839/0.4621, allocations: 127.5 kB / 399.1 MB, free: 11.1 MB / 330.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0002979/0.4624, allocations: 169.3 kB / 399.3 MB, free: 10.93 MB / 330.7 MB Notification: Performance of NFConvertDAE.convert: time 0.008967/0.4714, allocations: 3.387 MB / 402.7 MB, free: 7.531 MB / 330.7 MB Notification: Performance of FrontEnd - DAE generated: time 3.406e-06/0.4714, allocations: 0 / 402.7 MB, free: 7.531 MB / 330.7 MB Notification: Performance of FrontEnd: time 2.635e-06/0.4714, allocations: 4 kB / 402.7 MB, free: 7.527 MB / 330.7 MB Notification: Performance of Transformations before backend: time 9.428e-06/0.4715, allocations: 4 kB / 402.7 MB, free: 7.523 MB / 330.7 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 0.00483/0.4763, allocations: 1.43 MB / 404.1 MB, free: 6.043 MB / 330.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.569e-05/0.4764, allocations: 8.031 kB / 404.1 MB, free: 6.035 MB / 330.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002796/0.4792, allocations: 290.8 kB / 404.4 MB, free: 5.75 MB / 330.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001037/0.4802, allocations: 0.4927 MB / 404.9 MB, free: 5.215 MB / 330.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.526e-05/0.4803, allocations: 53.23 kB / 404.9 MB, free: 5.16 MB / 330.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001216/0.4804, allocations: 56 kB / 405 MB, free: 5.105 MB / 330.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003454/0.4839, allocations: 0.9594 MB / 406 MB, free: 4.09 MB / 330.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.256e-05/0.4839, allocations: 0 / 406 MB, free: 4.09 MB / 330.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.843e-05/0.4841, allocations: 24 kB / 406 MB, free: 4.066 MB / 330.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.05e-05/0.4841, allocations: 21 kB / 406 MB, free: 4.043 MB / 330.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00383/0.488, allocations: 0.8819 MB / 406.9 MB, free: 3.164 MB / 330.7 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 0.006965/0.4949, allocations: 4.655 MB / 411.5 MB, free: 14.08 MB / 346.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.00375/0.4987, allocations: 0.7641 MB / 412.3 MB, free: 13.3 MB / 346.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0684/0.5671, allocations: 21.57 MB / 433.9 MB, free: 5.066 MB / 362.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.723e-05/0.5672, allocations: 38.56 kB / 433.9 MB, free: 5.02 MB / 362.7 MB Notification: Performance of pre-optimization done (n=43): time 3.326e-06/0.5672, allocations: 0 / 433.9 MB, free: 5.02 MB / 362.7 MB Notification: Performance of matching and sorting (n=58): time 0.01714/0.5844, allocations: 3.056 MB / 437 MB, free: 1.891 MB / 362.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 6.531e-05/0.5845, allocations: 115.3 kB / 437.1 MB, free: 1.754 MB / 362.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006796/0.5852, allocations: 433.7 kB / 437.5 MB, free: 1.32 MB / 362.7 MB Notification: Performance of collectPreVariables (initialization): time 7.684e-05/0.5853, allocations: 37.7 kB / 437.5 MB, free: 1.277 MB / 362.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0002879/0.5856, allocations: 370.3 kB / 437.9 MB, free: 0.9102 MB / 362.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0002265/0.5858, allocations: 193.1 kB / 438.1 MB, free: 0.7188 MB / 362.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 6.536e-05/0.5859, allocations: 16 kB / 438.1 MB, free: 0.7031 MB / 362.7 MB Notification: Performance of setup shared object (initialization): time 0.0001451/0.586, allocations: 338.8 kB / 438.4 MB, free: 372 kB / 362.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001353/0.5874, allocations: 321.8 kB / 438.7 MB, free: 52 kB / 362.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001533/0.589, allocations: 0.5266 MB / 439.3 MB, free: 15.44 MB / 378.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001445/0.5904, allocations: 378 kB / 439.6 MB, free: 15.07 MB / 378.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.943e-06/0.5904, allocations: 4 kB / 439.6 MB, free: 15.07 MB / 378.7 MB Notification: Performance of matching and sorting (n=85) (initialization): time 0.005576/0.596, allocations: 1.164 MB / 440.8 MB, free: 13.89 MB / 378.7 MB Notification: Performance of prepare postOptimizeDAE: time 0.0001947/0.5962, allocations: 278.5 kB / 441.1 MB, free: 13.53 MB / 378.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.34e-05/0.5963, allocations: 4 kB / 441.1 MB, free: 13.53 MB / 378.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.005186/0.6015, allocations: 0.548 MB / 441.6 MB, free: 12.97 MB / 378.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009188/0.6024, allocations: 151.8 kB / 441.8 MB, free: 12.82 MB / 378.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00328/0.6057, allocations: 1.557 MB / 443.3 MB, free: 11.21 MB / 378.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001125/0.6068, allocations: 87.84 kB / 443.4 MB, free: 11.13 MB / 378.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001243/0.607, allocations: 39.98 kB / 443.5 MB, free: 11.09 MB / 378.7 MB Notification: Performance of prepare postOptimizeDAE: time 9.628e-06/0.607, allocations: 4 kB / 443.5 MB, free: 11.09 MB / 378.7 MB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.004185/0.6112, allocations: 1.03 MB / 444.5 MB, free: 10.05 MB / 378.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.037e-05/0.6112, allocations: 4.594 kB / 444.5 MB, free: 10.04 MB / 378.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0037/0.6149, allocations: 445.3 kB / 444.9 MB, free: 9.602 MB / 378.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009111/0.6158, allocations: 155.7 kB / 445.1 MB, free: 9.449 MB / 378.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002729/0.6186, allocations: 1.495 MB / 446.6 MB, free: 7.902 MB / 378.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009615/0.6196, allocations: 91.95 kB / 446.7 MB, free: 7.812 MB / 378.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.438e-05/0.6197, allocations: 28 kB / 446.7 MB, free: 7.785 MB / 378.7 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 0.0005218/0.6202, allocations: 292.9 kB / 447 MB, free: 7.488 MB / 378.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001815/0.6204, allocations: 63.3 kB / 447 MB, free: 7.426 MB / 378.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.007784/0.6282, allocations: 3.45 MB / 450.5 MB, free: 3.914 MB / 378.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.112e-05/0.6282, allocations: 0 / 450.5 MB, free: 3.914 MB / 378.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.474e-06/0.6283, allocations: 7.984 kB / 450.5 MB, free: 3.906 MB / 378.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.00057/0.6288, allocations: 318.8 kB / 450.8 MB, free: 3.574 MB / 378.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001664/0.629, allocations: 12 kB / 450.8 MB, free: 3.562 MB / 378.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001091/0.6301, allocations: 99.89 kB / 450.9 MB, free: 3.465 MB / 378.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001872/0.6303, allocations: 64.5 kB / 451 MB, free: 3.402 MB / 378.7 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 0.002016/0.6324, allocations: 1.231 MB / 452.2 MB, free: 1.93 MB / 378.7 MB Error: post-optimization module createDAEmodeBDAE (simulation) failed.