Running command: translateModel(Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.CoolingCoilHumidifyingHeating_OpenLoop,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.CoolingCoilHumidifyingHeating_OpenLoop") Notification: Performance of loadModel(Buildings): time 4.529/4.529, allocations: 458.9 MB / 473.4 MB, free: 11.86 MB / 378.7 MB Notification: Performance of FrontEnd - loaded program: time 3.889e-05/3.883e-05, allocations: 8.812 kB / 0.5697 GB, free: 9.801 MB / 458.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2275/0.2276, allocations: 106.2 MB / 0.6734 GB, free: 2.598 MB / 0.5417 GB Notification: Performance of NFInst.instantiate(Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.CoolingCoilHumidifyingHeating_OpenLoop): time 1.172/1.4, allocations: 324.5 MB / 0.9903 GB, free: 6.98 MB / 0.7605 GB Notification: Performance of NFInst.instExpressions: time 0.07748/1.477, allocations: 34.42 MB / 1.024 GB, free: 4.492 MB / 0.7917 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.007718/1.485, allocations: 202.9 kB / 1.024 GB, free: 4.293 MB / 0.7917 GB Notification: Performance of NFTyping.typeComponents: time 0.01028/1.495, allocations: 2.204 MB / 1.026 GB, free: 2.078 MB / 0.7917 GB Notification: Performance of NFTyping.typeBindings: time 0.02615/1.522, allocations: 5.974 MB / 1.032 GB, free: 12.09 MB / 0.8073 GB Notification: Performance of NFTyping.typeClassSections: time 0.02036/1.542, allocations: 4.716 MB / 1.037 GB, free: 7.375 MB / 0.8073 GB Notification: Performance of NFFlatten.flatten: time 0.031/1.573, allocations: 10.98 MB / 1.047 GB, free: 12.37 MB / 0.823 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01397/1.587, allocations: 5.878 MB / 1.053 GB, free: 6.461 MB / 0.823 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0194/1.607, allocations: 6.295 MB / 1.059 GB, free: 152 kB / 0.823 GB Notification: Performance of NFSimplifyModel.simplify: time 0.01083/1.617, allocations: 4.1 MB / 1.063 GB, free: 12.04 MB / 0.8386 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01722/1.635, allocations: 3.963 MB / 1.067 GB, free: 8.066 MB / 0.8386 GB Notification: Performance of NFPackage.collectConstants: time 0.004198/1.639, allocations: 392 kB / 1.068 GB, free: 7.684 MB / 0.8386 GB Notification: Performance of NFScalarize.scalarize: time 0.005315/1.644, allocations: 2.106 MB / 1.07 GB, free: 5.57 MB / 0.8386 GB Notification: Performance of NFVerifyModel.verify: time 0.005384/1.65, allocations: 0.9531 MB / 1.071 GB, free: 4.617 MB / 0.8386 GB Notification: Performance of NFConvertDAE.convert: time 0.03241/1.682, allocations: 18.25 MB / 1.088 GB, free: 2.324 MB / 0.8542 GB Notification: Performance of FrontEnd - DAE generated: time 4.859e-06/1.682, allocations: 0 / 1.088 GB, free: 2.324 MB / 0.8542 GB Notification: Performance of FrontEnd: time 2.855e-06/1.682, allocations: 0 / 1.088 GB, free: 2.324 MB / 0.8542 GB Notification: Performance of Transformations before backend: time 0.0006007/1.683, allocations: 0 / 1.088 GB, free: 2.324 MB / 0.8542 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1679 * Number of variables: 1679 Notification: Performance of Generate backend data structure: time 0.03738/1.72, allocations: 7.992 MB / 1.096 GB, free: 10.23 MB / 0.8698 GB Notification: Performance of prepare preOptimizeDAE: time 5.231e-05/1.72, allocations: 8.031 kB / 1.096 GB, free: 10.22 MB / 0.8698 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02299/1.743, allocations: 2.349 MB / 1.098 GB, free: 7.859 MB / 0.8698 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.03163/1.775, allocations: 9.465 MB / 1.108 GB, free: 14.3 MB / 0.8855 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001382/1.776, allocations: 0.9314 MB / 1.109 GB, free: 13.27 MB / 0.8855 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.003354/1.78, allocations: 0.6834 MB / 1.109 GB, free: 12.59 MB / 0.8855 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03734/1.817, allocations: 9.955 MB / 1.119 GB, free: 2.438 MB / 0.8855 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0003428/1.818, allocations: 7.906 kB / 1.119 GB, free: 2.43 MB / 0.8855 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002994/1.821, allocations: 272 kB / 1.119 GB, free: 2.164 MB / 0.8855 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000578/1.821, allocations: 316.7 kB / 1.12 GB, free: 1.852 MB / 0.8855 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03481/1.856, allocations: 9.259 MB / 1.129 GB, free: 8.57 MB / 0.9011 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 0.6914/2.548, allocations: 40.06 MB / 1.168 GB, free: 335.7 MB / 0.9167 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01998/2.568, allocations: 6.449 MB / 1.174 GB, free: 332.9 MB / 0.9167 GB Notification: Performance of preOpt evalFunc (simulation): time 0.003321/2.571, allocations: 1.699 MB / 1.176 GB, free: 331.1 MB / 0.9167 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01241/2.583, allocations: 3.636 MB / 1.179 GB, free: 329.7 MB / 0.9167 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.00557/2.589, allocations: 396.7 kB / 1.18 GB, free: 329.7 MB / 0.9167 GB Notification: Performance of pre-optimization done (n=479): time 2.205e-05/2.589, allocations: 0 / 1.18 GB, free: 329.7 MB / 0.9167 GB Notification: Performance of matching and sorting (n=482): time 0.07208/2.661, allocations: 18.16 MB / 1.197 GB, free: 321.4 MB / 0.9167 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001842/2.661, allocations: 469.7 kB / 1.198 GB, free: 320.9 MB / 0.9167 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01799/2.679, allocations: 6.134 MB / 1.204 GB, free: 318.4 MB / 0.9167 GB Notification: Performance of collectPreVariables (initialization): time 0.001497/2.681, allocations: 136.7 kB / 1.204 GB, free: 318.3 MB / 0.9167 GB Notification: Performance of collectInitialEqns (initialization): time 0.005525/2.687, allocations: 3.577 MB / 1.207 GB, free: 315.3 MB / 0.9167 GB Notification: Performance of collectInitialBindings (initialization): time 0.003032/2.69, allocations: 1.643 MB / 1.209 GB, free: 313.8 MB / 0.9167 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001202/2.691, allocations: 108 kB / 1.209 GB, free: 313.8 MB / 0.9167 GB Notification: Performance of setup shared object (initialization): time 0.0005827/2.692, allocations: 0.5108 MB / 1.21 GB, free: 313.3 MB / 0.9167 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.009557/2.701, allocations: 2.941 MB / 1.213 GB, free: 311.7 MB / 0.9167 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01114/2.712, allocations: 4.184 MB / 1.217 GB, free: 308.8 MB / 0.9167 GB Notification: The given system is mixed-determined. [index = 1] Notification: Performance of analyzeInitialSystem (initialization): time 0.9839/3.696, allocations: 73.26 MB / 1.288 GB, free: 239.5 MB / 0.9167 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.448e-05/3.696, allocations: 7.172 kB / 1.288 GB, free: 239.5 MB / 0.9167 GB Notification: Performance of matching and sorting (n=671) (initialization): time 0.02583/3.722, allocations: 7.995 MB / 1.296 GB, free: 231.5 MB / 0.9167 GB Notification: Performance of prepare postOptimizeDAE: time 0.00185/3.724, allocations: 9.368 MB / 1.305 GB, free: 221.3 MB / 0.9167 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.881e-05/3.724, allocations: 23.94 kB / 1.305 GB, free: 221.2 MB / 0.9167 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.00045/3.725, allocations: 100.8 kB / 1.305 GB, free: 221.1 MB / 0.9167 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01237/3.737, allocations: 1.357 MB / 1.307 GB, free: 219.8 MB / 0.9167 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003776/3.741, allocations: 4.854 MB / 1.311 GB, free: 214.7 MB / 0.9167 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01337/3.754, allocations: 0.8197 MB / 1.312 GB, free: 213.8 MB / 0.9167 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00155/3.756, allocations: 227.8 kB / 1.312 GB, free: 213.6 MB / 0.9167 GB Notification: Performance of prepare postOptimizeDAE: time 1.295e-05/3.756, allocations: 4 kB / 1.312 GB, free: 213.6 MB / 0.9167 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 0.01136/3.767, allocations: 3.523 MB / 1.316 GB, free: 210.1 MB / 0.9167 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated