Running command: translateModel(Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.CoolingCoilHumidifyingHeating_OpenLoop,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.CoolingCoilHumidifyingHeating_OpenLoop") Notification: Performance of loadModel(Buildings): time 3.519/3.519, allocations: 402 MB / 416.6 MB, free: 10.21 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 2.933e-05/2.943e-05, allocations: 4 kB / 0.501 GB, free: 8.25 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1883/0.1883, allocations: 92.69 MB / 0.5915 GB, free: 11.39 MB / 0.4948 GB Notification: Performance of NFInst.instantiate(Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.CoolingCoilHumidifyingHeating_OpenLoop): time 1.693/1.881, allocations: 374.9 MB / 0.9576 GB, free: 54.52 MB / 0.7448 GB Notification: Performance of NFInst.instExpressions: time 0.06308/1.944, allocations: 33.68 MB / 0.9905 GB, free: 53.14 MB / 0.7448 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0078/1.952, allocations: 204 kB / 0.9907 GB, free: 53.14 MB / 0.7448 GB Notification: Performance of NFTyping.typeComponents: time 0.009522/1.962, allocations: 2.184 MB / 0.9928 GB, free: 52.49 MB / 0.7448 GB Notification: Performance of NFTyping.typeBindings: time 0.02397/1.986, allocations: 5.775 MB / 0.9984 GB, free: 51.03 MB / 0.7448 GB Notification: Performance of NFTyping.typeClassSections: time 0.01819/2.004, allocations: 4.331 MB / 1.003 GB, free: 49.68 MB / 0.7448 GB Notification: Performance of NFFlatten.flatten: time 0.02942/2.033, allocations: 10.95 MB / 1.013 GB, free: 48.33 MB / 0.7448 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01334/2.047, allocations: 5.846 MB / 1.019 GB, free: 46.44 MB / 0.7448 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01906/2.066, allocations: 6.252 MB / 1.025 GB, free: 45.58 MB / 0.7448 GB Notification: Performance of NFSimplifyModel.simplify: time 0.01126/2.077, allocations: 4.131 MB / 1.029 GB, free: 43.25 MB / 0.7448 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01712/2.094, allocations: 3.697 MB / 1.033 GB, free: 40.46 MB / 0.7448 GB Notification: Performance of NFPackage.collectConstants: time 0.004152/2.098, allocations: 380 kB / 1.033 GB, free: 40.09 MB / 0.7448 GB Notification: Performance of NFScalarize.scalarize: time 0.004601/2.103, allocations: 2.136 MB / 1.035 GB, free: 38.77 MB / 0.7448 GB Notification: Performance of NFVerifyModel.verify: time 0.005754/2.109, allocations: 0.9766 MB / 1.036 GB, free: 37.79 MB / 0.7448 GB Notification: Performance of NFConvertDAE.convert: time 0.0254/2.134, allocations: 17.13 MB / 1.053 GB, free: 23.16 MB / 0.7448 GB Notification: Performance of FrontEnd - DAE generated: time 4.889e-06/2.134, allocations: 0 / 1.053 GB, free: 23.16 MB / 0.7448 GB Notification: Performance of FrontEnd: time 3.998e-06/2.134, allocations: 0 / 1.053 GB, free: 23.16 MB / 0.7448 GB Notification: Performance of Transformations before backend: time 0.0005207/2.135, allocations: 0 / 1.053 GB, free: 23.16 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: 1731 * Number of variables: 1731 Notification: Performance of Generate backend data structure: time 0.0338/2.169, allocations: 7.995 MB / 1.061 GB, free: 15.77 MB / 0.7448 GB Notification: Performance of prepare preOptimizeDAE: time 5.974e-05/2.169, allocations: 11.98 kB / 1.061 GB, free: 15.75 MB / 0.7448 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.03093/2.2, allocations: 2.3 MB / 1.063 GB, free: 13.53 MB / 0.7448 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04093/2.241, allocations: 10.26 MB / 1.073 GB, free: 7.543 MB / 0.7448 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001575/2.242, allocations: 0.9427 MB / 1.074 GB, free: 6.723 MB / 0.7448 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.004569/2.247, allocations: 0.6884 MB / 1.075 GB, free: 6.258 MB / 0.7448 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04602/2.293, allocations: 10.53 MB / 1.085 GB, free: 14.13 MB / 0.7605 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0003638/2.294, allocations: 17.8 kB / 1.085 GB, free: 14.12 MB / 0.7605 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002724/2.296, allocations: 281.8 kB / 1.085 GB, free: 13.85 MB / 0.7605 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007329/2.297, allocations: 325 kB / 1.085 GB, free: 13.53 MB / 0.7605 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04536/2.342, allocations: 9.63 MB / 1.095 GB, free: 3.922 MB / 0.7605 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 0.102/2.445, allocations: 40.73 MB / 1.135 GB, free: 9.66 MB / 0.8073 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02664/2.471, allocations: 6.862 MB / 1.141 GB, free: 2.781 MB / 0.8073 GB Notification: Performance of preOpt evalFunc (simulation): time 0.003388/2.475, allocations: 1.376 MB / 1.143 GB, free: 1.168 MB / 0.8073 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01737/2.492, allocations: 4.119 MB / 1.147 GB, free: 12.96 MB / 0.823 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.005339/2.497, allocations: 427.9 kB / 1.147 GB, free: 12.54 MB / 0.823 GB Notification: Performance of pre-optimization done (n=487): time 2.006e-05/2.498, allocations: 0 / 1.147 GB, free: 12.54 MB / 0.823 GB Notification: Performance of matching and sorting (n=490): time 0.1247/2.622, allocations: 31.07 MB / 1.177 GB, free: 13.14 MB / 0.8542 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0005786/2.623, allocations: 1.024 MB / 1.178 GB, free: 11.88 MB / 0.8542 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01771/2.641, allocations: 5.593 MB / 1.184 GB, free: 6.312 MB / 0.8542 GB Notification: Performance of collectPreVariables (initialization): time 0.001552/2.642, allocations: 143.8 kB / 1.184 GB, free: 6.168 MB / 0.8542 GB Notification: Performance of collectInitialEqns (initialization): time 0.006992/2.649, allocations: 3.728 MB / 1.188 GB, free: 2.426 MB / 0.8542 GB Notification: Performance of collectInitialBindings (initialization): time 0.003584/2.653, allocations: 1.676 MB / 1.189 GB, free: 0.7656 MB / 0.8542 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001332/2.654, allocations: 108 kB / 1.189 GB, free: 0.6602 MB / 0.8542 GB Notification: Performance of setup shared object (initialization): time 0.0007203/2.655, allocations: 0.509 MB / 1.19 GB, free: 152 kB / 0.8542 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01112/2.666, allocations: 2.899 MB / 1.193 GB, free: 13.24 MB / 0.8698 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0131/2.679, allocations: 4.195 MB / 1.197 GB, free: 8.559 MB / 0.8698 GB Notification: The given system is mixed-determined. [index = 1] Notification: Performance of analyzeInitialSystem (initialization): time 1.969/4.648, allocations: 72.83 MB / 1.268 GB, free: 358.9 MB / 0.8855 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.135e-05/4.648, allocations: 7.875 kB / 1.268 GB, free: 358.9 MB / 0.8855 GB Notification: Performance of matching and sorting (n=667) (initialization): time 0.02496/4.673, allocations: 8.007 MB / 1.276 GB, free: 354.3 MB / 0.8855 GB Notification: Performance of prepare postOptimizeDAE: time 0.002088/4.675, allocations: 11.16 MB / 1.287 GB, free: 342.2 MB / 0.8855 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001028/4.675, allocations: 27.98 kB / 1.287 GB, free: 342.2 MB / 0.8855 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004805/4.676, allocations: 104.3 kB / 1.287 GB, free: 342.1 MB / 0.8855 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.03866/4.714, allocations: 2.645 MB / 1.289 GB, free: 339.5 MB / 0.8855 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01306/4.728, allocations: 10.3 MB / 1.299 GB, free: 328.8 MB / 0.8855 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01263/4.74, allocations: 0.7306 MB / 1.3 GB, free: 328.1 MB / 0.8855 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00161/4.742, allocations: 263.9 kB / 1.3 GB, free: 327.8 MB / 0.8855 GB Notification: Performance of prepare postOptimizeDAE: time 1.396e-05/4.742, allocations: 4 kB / 1.3 GB, free: 327.8 MB / 0.8855 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 0.012/4.754, allocations: 3.419 MB / 1.304 GB, free: 324.3 MB / 0.8855 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated