Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/./OMCompiler/build/lib/omlibrary/ --ompython_omhome=/usr ModelicaTest_3.2.2_cpp_ModelicaTest.Fluid.TestPipesAndValves.BranchingPipes2.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.TestPipesAndValves.BranchingPipes2,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|pipe1.mediums.1..h|pipe1.mediums.1..p|pipe2.mediums.1..h|pipe2.mediums.1..p|pipe3.mediums.1..h|pipe3.mediums.1..p|valveOpening1.a|valveOpening1.b|valveOpening1.last|valveOpening1.nextEvent|valveOpening2.a|valveOpening2.b|valveOpening2.last|valveOpening2.nextEvent",fileNamePrefix="ModelicaTest_3.2.2_cpp_ModelicaTest.Fluid.TestPipesAndValves.BranchingPipes2") Notification: Performance of loadModel(ModelicaTest): time 2.539/2.539, allocations: 234.9 MB / 251.1 MB, free: 9.551 MB / 202.7 MB Notification: Performance of FrontEnd - loaded program: time 0.0004509/0.0004512, allocations: 12 kB / 315 MB, free: 9.602 MB / 266.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3715/0.372, allocations: 54.87 MB / 369.8 MB, free: 10.71 MB / 298.7 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Fluid.TestPipesAndValves.BranchingPipes2): time 0.1492/0.5213, allocations: 77.64 MB / 447.5 MB, free: 12.88 MB / 378.7 MB Notification: Performance of NFInst.instExpressions: time 0.443/0.9643, allocations: 31.2 MB / 478.7 MB, free: 6.699 MB / 394.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.003819/0.9682, allocations: 98.97 kB / 478.8 MB, free: 6.699 MB / 394.7 MB Notification: Performance of NFTyping.typeComponents: time 0.005797/0.9741, allocations: 1.15 MB / 479.9 MB, free: 6.695 MB / 394.7 MB Notification: Performance of NFTyping.typeBindings: time 0.02683/1.001, allocations: 6.06 MB / 486 MB, free: 6.621 MB / 394.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.02862/1.03, allocations: 6.808 MB / 492.8 MB, free: 6.508 MB / 394.7 MB Notification: Performance of NFFlatten.flatten: time 0.01082/1.04, allocations: 4.404 MB / 497.2 MB, free: 6.504 MB / 394.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.00314/1.044, allocations: 1.229 MB / 498.4 MB, free: 6.387 MB / 394.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.007371/1.051, allocations: 2.016 MB / 0.4887 GB, free: 6.383 MB / 394.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.04673/1.098, allocations: 18.25 MB / 0.5065 GB, free: 1.141 MB / 394.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0008242/1.099, allocations: 108 kB / 0.5066 GB, free: 1.035 MB / 394.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.03094/1.13, allocations: 9.455 MB / 0.5159 GB, free: 9.641 MB / 410.7 MB Notification: Performance of NFScalarize.scalarize: time 0.00195/1.132, allocations: 0.699 MB / 0.5165 GB, free: 9.188 MB / 410.7 MB Notification: Performance of NFVerifyModel.verify: time 0.001516/1.133, allocations: 490.8 kB / 0.517 GB, free: 8.91 MB / 410.7 MB Notification: Performance of NFConvertDAE.convert: time 0.0189/1.152, allocations: 6.081 MB / 0.5229 GB, free: 3.742 MB / 410.7 MB Notification: Performance of FrontEnd - DAE generated: time 4.519e-06/1.152, allocations: 0 / 0.5229 GB, free: 3.742 MB / 410.7 MB Notification: Performance of FrontEnd: time 2.766e-06/1.152, allocations: 0 / 0.5229 GB, free: 3.742 MB / 410.7 MB Notification: Performance of Transformations before backend: time 5.111e-05/1.152, allocations: 0 / 0.5229 GB, free: 3.742 MB / 410.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 467 * Number of variables: 467 Notification: Performance of Generate backend data structure: time 0.01541/1.168, allocations: 3.492 MB / 0.5264 GB, free: 460 kB / 410.7 MB Notification: Performance of prepare preOptimizeDAE: time 5.416e-05/1.168, allocations: 12.03 kB / 0.5264 GB, free: 448 kB / 410.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006962/1.175, allocations: 0.7511 MB / 0.5271 GB, free: 15.74 MB / 426.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004523/1.179, allocations: 1.502 MB / 0.5286 GB, free: 14.58 MB / 426.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.00023/1.18, allocations: 161.1 kB / 0.5287 GB, free: 14.49 MB / 426.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004827/1.18, allocations: 181.3 kB / 0.5289 GB, free: 14.37 MB / 426.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01132/1.191, allocations: 3.233 MB / 0.532 GB, free: 11.86 MB / 426.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 7.887e-05/1.192, allocations: 6.906 kB / 0.5321 GB, free: 11.86 MB / 426.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003393/1.192, allocations: 73.88 kB / 0.5321 GB, free: 11.84 MB / 426.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003931/1.192, allocations: 178.3 kB / 0.5323 GB, free: 11.69 MB / 426.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01288/1.205, allocations: 3.13 MB / 0.5354 GB, free: 9.461 MB / 426.7 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 0.02807/1.233, allocations: 13.57 MB / 0.5486 GB, free: 12.96 MB / 442.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.008225/1.242, allocations: 2.03 MB / 0.5506 GB, free: 11.49 MB / 442.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.06571/1.307, allocations: 19.05 MB / 0.5692 GB, free: 6.586 MB / 458.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.006651/1.314, allocations: 1.571 MB / 0.5707 GB, free: 5.363 MB / 458.7 MB Notification: Performance of preOpt simplifyInStream (simulation): time 0.001413/1.316, allocations: 169.5 kB / 0.5709 GB, free: 5.227 MB / 458.7 MB Notification: Performance of pre-optimization done (n=155): time 7.293e-06/1.316, allocations: 0 / 0.5709 GB, free: 5.227 MB / 458.7 MB Notification: Performance of matching and sorting (n=167): time 0.03965/1.355, allocations: 8.308 MB / 0.579 GB, free: 14.75 MB / 474.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001461/1.356, allocations: 183.2 kB / 0.5792 GB, free: 14.54 MB / 474.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00331/1.359, allocations: 1.406 MB / 0.5806 GB, free: 13.47 MB / 474.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0005616/1.36, allocations: 56.64 kB / 0.5806 GB, free: 13.43 MB / 474.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.001003/1.361, allocations: 0.8534 MB / 0.5814 GB, free: 12.86 MB / 474.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.00106/1.362, allocations: 0.5545 MB / 0.582 GB, free: 12.39 MB / 474.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001983/1.362, allocations: 40.41 kB / 0.582 GB, free: 12.38 MB / 474.7 MB Notification: Performance of setup shared object (initialization): time 0.0002821/1.362, allocations: 390 kB / 0.5824 GB, free: 12.02 MB / 474.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003475/1.366, allocations: 1.006 MB / 0.5834 GB, free: 11.34 MB / 474.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.004216/1.37, allocations: 1.486 MB / 0.5848 GB, free: 10.07 MB / 474.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.004312/1.374, allocations: 1.256 MB / 0.5861 GB, free: 9.254 MB / 474.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.441e-05/1.374, allocations: 4 kB / 0.5861 GB, free: 9.25 MB / 474.7 MB Notification: Performance of matching and sorting (n=245) (initialization): time 0.01135/1.386, allocations: 3.024 MB / 0.589 GB, free: 7.129 MB / 474.7 MB Notification: Performance of prepare postOptimizeDAE: time 0.0005766/1.386, allocations: 0.5278 MB / 0.5895 GB, free: 6.469 MB / 474.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.967e-05/1.386, allocations: 12 kB / 0.5895 GB, free: 6.457 MB / 474.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.004662/1.391, allocations: 0.5422 MB / 0.5901 GB, free: 5.98 MB / 474.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003937/1.395, allocations: 464.6 kB / 0.5905 GB, free: 5.57 MB / 474.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00334/1.398, allocations: 2.699 MB / 0.5931 GB, free: 3.008 MB / 474.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004162/1.403, allocations: 254.2 kB / 0.5934 GB, free: 2.789 MB / 474.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005248/1.403, allocations: 99.78 kB / 0.5935 GB, free: 2.711 MB / 474.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.765e-05/1.403, allocations: 4 kB / 0.5935 GB, free: 2.707 MB / 474.7 MB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.009649/1.413, allocations: 2.782 MB / 0.5962 GB, free: 0.8203 MB / 474.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.122e-05/1.413, allocations: 12 kB / 0.5962 GB, free: 0.8086 MB / 474.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.001163/1.414, allocations: 213.2 kB / 0.5964 GB, free: 0.6328 MB / 474.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00413/1.418, allocations: 482 kB / 0.5969 GB, free: 212 kB / 474.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002036/1.421, allocations: 1.877 MB / 0.5987 GB, free: 14.39 MB / 490.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00331/1.424, allocations: 253.6 kB / 0.599 GB, free: 14.17 MB / 490.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003907/1.424, allocations: 94.91 kB / 0.599 GB, free: 14.09 MB / 490.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 57 * Number of states: 0 () * Number of discrete variables: 29 (valveIncompressible1.state_b.phase,valveIncompressible1.state_a.phase,valveIncompressible.state_b.phase,valveIncompressible.state_a.phase,$whenCondition1,$whenCondition2,source.medium.phase,pipe1.statesFM[2].phase,sink.medium.phase,pipe2.statesFM[2].phase,pipe3.statesFM[2].phase,valveOpening1.a,valveOpening1.b,valveOpening1.last,$PRE.valveOpening1.nextEvent,valveOpening1.nextEvent,valveOpening1.nextEventScaled,valveOpening2.a,valveOpening2.b,valveOpening2.last,$PRE.valveOpening2.nextEvent,valveOpening2.nextEvent,valveOpening2.nextEventScaled,pipe3.state_a.phase,pipe2.state_a.phase,pipe1.state_a.phase,pipe3.state_b.phase,pipe2.state_b.phase,pipe1.state_b.phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (224): * Single equations (assignments): 218 * Array equations: 0 * Algorithm blocks: 2 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 4 {1 1,1 1,1 1,2 5} Notification: Performance of prepare postOptimizeDAE: time 0.002169/1.427, allocations: 0.7236 MB / 0.5997 GB, free: 13.56 MB / 490.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006523/1.427, allocations: 197.7 kB / 0.5999 GB, free: 13.37 MB / 490.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01814/1.445, allocations: 7.423 MB / 0.6072 GB, free: 8.32 MB / 490.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.01492/1.46, allocations: 6.5 MB / 0.6135 GB, free: 3.605 MB / 490.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.458e-05/1.46, allocations: 0 / 0.6135 GB, free: 3.605 MB / 490.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.002229/1.463, allocations: 0.6718 MB / 0.6142 GB, free: 2.91 MB / 490.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007922/1.463, allocations: 51.98 kB / 0.6142 GB, free: 2.859 MB / 490.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003011/1.467, allocations: 223.5 kB / 0.6145 GB, free: 2.641 MB / 490.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005013/1.467, allocations: 137.8 kB / 0.6146 GB, free: 2.504 MB / 490.7 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): pipe3.m_flows[1] + pipe2.m_flows[1] - pipe1.m_flows[2] = 0.0 2/2 (1): $cse12 = max(-pipe3.m_flows[1], 1e-07) 3/3 (1): pipe2.statesFM[1].h = ($cse12 * pipe3.mediums[1].h + $cse27 * pipe1.mediums[1].h) / ($cse12 + $cse27) 4/4 (16): $cse26 = Modelica.Media.Water.IF97_Utilities.waterBaseProp_ph(pipe1.mediums[1].p, pipe2.statesFM[1].h, 0, 0) 5/20 (1): pipe2.flowModel.rhos[1] = $cse26.rho 6/21 (1): $cse25 = ModelicaTest.Fluid.TestPipesAndValves.BranchingPipes2.pipe2.flowModel.WallFriction.massFlowRate_dp_staticHead(pipe2.flowModel.dps_fg[1], pipe2.flowModel.rhos[1], pipe2.statesFM[2].d, pipe2.flowModel.mu_nominal, pipe2.flowModel.mu_nominal, 10.0, pipe2.flowModel.diameters[1], pipe2.flowModel.g * pipe2.flowModel.dheights[1], 0.5 * (pipe2.flowModel.crossAreas[1] + pipe2.flowModel.crossAreas[2]), pipe2.roughnesses[1], pipe2.flowModel.dp_small, 4000.0) 7/22 (1): pipe2.m_flows[1] = $cse25 * pipe2.flowModel.nParallel 8/23 (1): $cse11 = max(-pipe2.m_flows[1], 1e-07) 9/24 (1): pipe3.statesFM[1].h = ($cse11 * pipe2.mediums[1].h + $cse27 * pipe1.mediums[1].h) / ($cse11 + $cse27) 10/25 (1): $cse27 = max(pipe1.m_flows[2], 1e-07) 11/26 (1): pipe3.m_flows[1] = $cse32 * pipe3.flowModel.nParallel 12/27 (1): $cse32 = ModelicaTest.Fluid.TestPipesAndValves.BranchingPipes2.pipe3.flowModel.WallFriction.massFlowRate_dp_staticHead(pipe3.flowModel.dps_fg[1], pipe3.flowModel.rhos[1], pipe3.statesFM[2].d, pipe3.flowModel.mu_nominal, pipe3.flowModel.mu_nominal, 10.0, pipe3.flowModel.diameters[1], pipe3.flowModel.g * pipe3.flowModel.dheights[1], 0.5 * (pipe3.flowModel.crossAreas[1] + pipe3.flowModel.crossAreas[2]), pipe3.roughnesses[1], pipe3.flowModel.dp_small, 4000.0) 13/28 (1): pipe3.flowModel.rhos[1] = $cse33.rho 14/29 (16): $cse33 = Modelica.Media.Water.IF97_Utilities.waterBaseProp_ph(pipe1.mediums[1].p, pipe3.statesFM[1].h, 0, 0) Variables: 1: $cse33.pt:VARIABLE(protected = true ) type: Real unreplaceable 2: $cse33.pd:VARIABLE(protected = true ) type: Real unreplaceable 3: $cse33.cv:VARIABLE(protected = true ) type: Real unreplaceable 4: $cse33.cp:VARIABLE(protected = true ) type: Real unreplaceable 5: $cse33.vp:VARIABLE(protected = true ) type: Real unreplaceable 6: pipe3.statesFM[1].h:VARIABLE(min = -10000000000.0 max = 10000000000.0 start = 100000.0 unit = "J/kg" nominal = 500000.0 ) "Specific enthalpy" type: Real [2] 7: $cse33.vt:VARIABLE(protected = true ) type: Real unreplaceable 8: $cse33.rho:VARIABLE(protected = true ) type: Real unreplaceable 9: $cse33.p:VARIABLE(protected = true ) type: Real unreplaceable 10: $cse33.dpT:VARIABLE(protected = true ) type: Real unreplaceable 11: $cse33.region:DISCRETE(protected = true ) type: Integer unreplaceable 12: $cse33.s:VARIABLE(protected = true ) type: Real unreplaceable 13: $cse33.h:VARIABLE(protected = true ) type: Real unreplaceable 14: $cse33.T:VARIABLE(protected = true ) type: Real unreplaceable 15: $cse33.x:VARIABLE(protected = true ) type: Real unreplaceable 16: $cse33.R:VARIABLE(protected = true ) type: Real unreplaceable 17: $cse33.phase:DISCRETE(protected = true ) type: Integer unreplaceable 18: pipe3.flowModel.rhos[1]:VARIABLE(min = 0.0 max = 100000.0 start = 150.0 unit = "kg/m3" nominal = 500.0 ) type: Real [2] 19: $cse32:VARIABLE(protected = true ) type: Real unreplaceable 20: pipe1.m_flows[2]:VARIABLE(min = -9.999999999999999e+59 max = 100000.0 start = 0.0 unit = "kg/s" ) "Mass flow rates of fluid across segment boundaries" type: Real [2] 21: $cse27:VARIABLE(protected = true ) type: Real unreplaceable 22: $cse11:VARIABLE(protected = true ) type: Real unreplaceable 23: pipe2.m_flows[1]:VARIABLE(min = -9.999999999999999e+59 max = 100000.0 start = 0.0 unit = "kg/s" ) "Mass flow rates of fluid across segment boundaries" type: Real [2] 24: $cse25:VARIABLE(protected = true ) type: Real unreplaceable 25: pipe2.flowModel.rhos[1]:VARIABLE(min = 0.0 max = 100000.0 start = 150.0 unit = "kg/m3" nominal = 500.0 ) type: Real [2] 26: $cse26.pd:VARIABLE(protected = true ) type: Real unreplaceable 27: $cse26.x:VARIABLE(protected = true ) type: Real unreplaceable 28: $cse26.pt:VARIABLE(protected = true ) type: Real unreplaceable 29: $cse26.p:VARIABLE(protected = true ) type: Real unreplaceable 30: $cse26.cv:VARIABLE(protected = true ) type: Real unreplaceable 31: $cse26.region:DISCRETE(protected = true ) type: Integer unreplaceable 32: $cse26.cp:VARIABLE(protected = true ) type: Real unreplaceable 33: $cse26.h:VARIABLE(protected = true ) type: Real unreplaceable 34: $cse26.vt:VARIABLE(protected = true ) type: Real unreplaceable 35: $cse26.T:VARIABLE(protected = true ) type: Real unreplaceable 36: $cse26.phase:DISCRETE(protected = true ) type: Integer unreplaceable 37: $cse26.R:VARIABLE(protected = true ) type: Real unreplaceable 38: $cse26.dpT:VARIABLE(protected = true ) type: Real unreplaceable 39: $cse26.rho:VARIABLE(protected = true ) type: Real unreplaceable 40: $cse26.s:VARIABLE(protected = true ) type: Real unreplaceable 41: $cse26.vp:VARIABLE(protected = true ) type: Real unreplaceable 42: pipe2.statesFM[1].h:VARIABLE(min = -10000000000.0 max = 10000000000.0 start = 100000.0 unit = "J/kg" nominal = 500000.0 ) "Specific enthalpy" type: Real [2] 43: $cse12:VARIABLE(protected = true ) type: Real unreplaceable 44: pipe3.m_flows[1]:VARIABLE(min = -9.999999999999999e+59 max = 100000.0 start = 0.0 unit = "kg/s" ) "Mass flow rates of fluid across segment boundaries" type: Real [2] [/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 0.00293/1.47, allocations: 1.224 MB / 0.6158 GB, free: 1.191 MB / 490.7 MB Error: post-optimization module createDAEmodeBDAE (simulation) failed.