Running command: translateModel(Buildings.Fluid.HeatExchangers.Examples.WetCoilCounterFlowMassFlow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Fluid.HeatExchangers.Examples.WetCoilCounterFlowMassFlow") Notification: Performance of loadModel(Buildings): time 3.753/3.753, allocations: 402 MB / 416.6 MB, free: 10.19 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 2.988e-05/3.002e-05, allocations: 4 kB / 0.5009 GB, free: 8.246 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2152/0.2153, allocations: 92.69 MB / 0.5915 GB, free: 11.37 MB / 0.4948 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Examples.WetCoilCounterFlowMassFlow): time 0.9421/1.157, allocations: 261.8 MB / 0.8472 GB, free: 8.496 MB / 0.7136 GB Notification: Performance of NFInst.instExpressions: time 0.03562/1.193, allocations: 16.69 MB / 0.8635 GB, free: 7.777 MB / 0.7292 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00352/1.197, allocations: 95.62 kB / 0.8636 GB, free: 7.684 MB / 0.7292 GB Notification: Performance of NFTyping.typeComponents: time 0.004735/1.201, allocations: 1.038 MB / 0.8646 GB, free: 6.641 MB / 0.7292 GB Notification: Performance of NFTyping.typeBindings: time 0.01147/1.213, allocations: 2.687 MB / 0.8672 GB, free: 3.945 MB / 0.7292 GB Notification: Performance of NFTyping.typeClassSections: time 0.007959/1.221, allocations: 1.75 MB / 0.8689 GB, free: 2.188 MB / 0.7292 GB Notification: Performance of NFFlatten.flatten: time 0.02211/1.243, allocations: 7.436 MB / 0.8762 GB, free: 10.74 MB / 0.7448 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009623/1.253, allocations: 4.146 MB / 0.8802 GB, free: 6.566 MB / 0.7448 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01229/1.265, allocations: 3.81 MB / 0.8839 GB, free: 2.746 MB / 0.7448 GB Notification: Performance of NFSimplifyModel.simplify: time 0.6309/1.896, allocations: 2.824 MB / 0.8867 GB, free: 79.82 MB / 0.7448 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01039/1.907, allocations: 1.963 MB / 0.8886 GB, free: 79.82 MB / 0.7448 GB Notification: Performance of NFPackage.collectConstants: time 0.002922/1.91, allocations: 238.3 kB / 0.8888 GB, free: 79.82 MB / 0.7448 GB Notification: Performance of NFScalarize.scalarize: time 0.003999/1.914, allocations: 1.451 MB / 0.8903 GB, free: 79.82 MB / 0.7448 GB Notification: Performance of NFVerifyModel.verify: time 0.005095/1.919, allocations: 0.6931 MB / 0.8909 GB, free: 79.82 MB / 0.7448 GB Notification: Performance of NFConvertDAE.convert: time 0.02129/1.94, allocations: 10.44 MB / 0.9011 GB, free: 79.25 MB / 0.7448 GB Notification: Performance of FrontEnd - DAE generated: time 4.739e-06/1.94, allocations: 1.844 kB / 0.9011 GB, free: 79.25 MB / 0.7448 GB Notification: Performance of FrontEnd: time 3.627e-06/1.94, allocations: 0 / 0.9011 GB, free: 79.25 MB / 0.7448 GB Notification: Performance of Transformations before backend: time 0.0004515/1.941, allocations: 0 / 0.9011 GB, free: 79.25 MB / 0.7448 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1251 * Number of variables: 1251 Notification: Performance of Generate backend data structure: time 0.02587/1.966, allocations: 5.527 MB / 0.9065 GB, free: 76.96 MB / 0.7448 GB Notification: Performance of prepare preOptimizeDAE: time 6.002e-05/1.967, allocations: 8.344 kB / 0.9065 GB, free: 76.96 MB / 0.7448 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.014/1.981, allocations: 1.389 MB / 0.9079 GB, free: 76.59 MB / 0.7448 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.02506/2.006, allocations: 6.538 MB / 0.9143 GB, free: 75.75 MB / 0.7448 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.00104/2.007, allocations: 0.7861 MB / 0.915 GB, free: 75.24 MB / 0.7448 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.003019/2.01, allocations: 496.5 kB / 0.9155 GB, free: 75.23 MB / 0.7448 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03124/2.041, allocations: 7.49 MB / 0.9228 GB, free: 74.15 MB / 0.7448 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.000271/2.041, allocations: 15.22 kB / 0.9228 GB, free: 74.14 MB / 0.7448 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002292/2.044, allocations: 204.3 kB / 0.923 GB, free: 74.14 MB / 0.7448 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003592/2.044, allocations: 233.7 kB / 0.9233 GB, free: 74.11 MB / 0.7448 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02519/2.069, allocations: 6.595 MB / 0.9297 GB, free: 72.85 MB / 0.7448 GB 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 0.05812/2.128, allocations: 25.8 MB / 0.9549 GB, free: 57.61 MB / 0.7448 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0135/2.141, allocations: 4.503 MB / 0.9593 GB, free: 56.58 MB / 0.7448 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001338/2.143, allocations: 0.5198 MB / 0.9598 GB, free: 56.07 MB / 0.7448 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01056/2.153, allocations: 2.854 MB / 0.9626 GB, free: 55.14 MB / 0.7448 GB Notification: Performance of pre-optimization done (n=343): time 8.405e-06/2.153, allocations: 0 / 0.9626 GB, free: 55.14 MB / 0.7448 GB Notification: Performance of matching and sorting (n=343): time 0.02586/2.179, allocations: 6.656 MB / 0.9691 GB, free: 53.54 MB / 0.7448 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001996/2.179, allocations: 0.6577 MB / 0.9697 GB, free: 52.79 MB / 0.7448 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01014/2.189, allocations: 3.755 MB / 0.9734 GB, free: 51.39 MB / 0.7448 GB Notification: Performance of collectPreVariables (initialization): time 0.001174/2.191, allocations: 95.7 kB / 0.9735 GB, free: 51.34 MB / 0.7448 GB Notification: Performance of collectInitialEqns (initialization): time 0.003685/2.194, allocations: 2.519 MB / 0.9759 GB, free: 49.85 MB / 0.7448 GB Notification: Performance of collectInitialBindings (initialization): time 0.002128/2.197, allocations: 1.185 MB / 0.9771 GB, free: 48.83 MB / 0.7448 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003875/2.197, allocations: 62.31 kB / 0.9772 GB, free: 48.82 MB / 0.7448 GB Notification: Performance of setup shared object (initialization): time 0.0002715/2.197, allocations: 449.7 kB / 0.9776 GB, free: 48.43 MB / 0.7448 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005309/2.203, allocations: 1.864 MB / 0.9794 GB, free: 47.2 MB / 0.7448 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006828/2.209, allocations: 2.729 MB / 0.9821 GB, free: 44.88 MB / 0.7448 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.006901/2.216, allocations: 2.43 MB / 0.9845 GB, free: 43.32 MB / 0.7448 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.113e-05/2.216, allocations: 4 kB / 0.9845 GB, free: 43.32 MB / 0.7448 GB Notification: Performance of matching and sorting (n=435) (initialization): time 0.01658/2.233, allocations: 5.213 MB / 0.9895 GB, free: 39.67 MB / 0.7448 GB Notification: Performance of prepare postOptimizeDAE: time 0.001433/2.235, allocations: 6.317 MB / 0.9957 GB, free: 32.96 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.49e-05/2.235, allocations: 12 kB / 0.9957 GB, free: 32.95 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (initialization): time 7.355e-05/2.235, allocations: 32 kB / 0.9958 GB, free: 32.92 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.03553/2.27, allocations: 2.406 MB / 0.9981 GB, free: 30.6 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0109/2.281, allocations: 7.903 MB / 1.006 GB, free: 22.62 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.009877/2.291, allocations: 0.6609 MB / 1.006 GB, free: 22.01 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001194/2.292, allocations: 164.9 kB / 1.007 GB, free: 21.88 MB / 0.7448 GB Notification: Performance of prepare postOptimizeDAE: time 1.746e-05/2.292, allocations: 4 kB / 1.007 GB, free: 21.87 MB / 0.7448 GB Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.00698/2.299, allocations: 2.219 MB / 1.009 GB, free: 20.5 MB / 0.7448 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated