Running command: translateModel(Buildings.Examples.Tutorial.SpaceCooling.System3,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Examples.Tutorial.SpaceCooling.System3")
Notification: Performance of loadModel(Buildings): time 3.788/3.788, allocations: 402 MB / 416.6 MB, free: 10.15 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 2.843e-05/2.862e-05, allocations: 0 / 0.5009 GB, free: 8.281 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2021/0.2022, allocations: 92.69 MB / 0.5915 GB, free: 11.42 MB / 0.4948 GB
Notification: Performance of NFInst.instantiate(Buildings.Examples.Tutorial.SpaceCooling.System3): time 1.738/1.94, allocations: 341.5 MB / 0.925 GB, free: 75.52 MB / 0.7448 GB
Notification: Performance of NFInst.instExpressions: time 0.08996/2.03, allocations: 36.44 MB / 0.9606 GB, free: 74.98 MB / 0.7448 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.007945/2.038, allocations: 218.3 kB / 0.9608 GB, free: 74.98 MB / 0.7448 GB
Notification: Performance of NFTyping.typeComponents: time 0.01002/2.048, allocations: 2.191 MB / 0.9629 GB, free: 74.96 MB / 0.7448 GB
Notification: Performance of NFTyping.typeBindings: time 0.02686/2.075, allocations: 6.227 MB / 0.969 GB, free: 73.72 MB / 0.7448 GB
Notification: Performance of NFTyping.typeClassSections: time 0.01944/2.095, allocations: 4.426 MB / 0.9733 GB, free: 72.35 MB / 0.7448 GB
Notification: Performance of NFFlatten.flatten: time 0.03036/2.125, allocations: 10.45 MB / 0.9835 GB, free: 70.99 MB / 0.7448 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01423/2.139, allocations: 6.071 MB / 0.9894 GB, free: 69.03 MB / 0.7448 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0187/2.158, allocations: 5.939 MB / 0.9952 GB, free: 68.22 MB / 0.7448 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.01261/2.171, allocations: 4.092 MB / 0.9992 GB, free: 67.49 MB / 0.7448 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.01979/2.191, allocations: 3.904 MB / 1.003 GB, free: 66.38 MB / 0.7448 GB
Notification: Performance of NFPackage.collectConstants: time 0.004811/2.195, allocations: 360 kB / 1.003 GB, free: 66.03 MB / 0.7448 GB
Notification: Performance of NFScalarize.scalarize: time 0.005148/2.201, allocations: 2.07 MB / 1.005 GB, free: 64.74 MB / 0.7448 GB
Notification: Performance of NFVerifyModel.verify: time 0.006383/2.207, allocations: 0.9531 MB / 1.006 GB, free: 63.79 MB / 0.7448 GB
Notification: Performance of NFConvertDAE.convert: time 0.02509/2.232, allocations: 14.19 MB / 1.02 GB, free: 51.7 MB / 0.7448 GB
Notification: Performance of FrontEnd - DAE generated: time 4.789e-06/2.232, allocations: 4 kB / 1.02 GB, free: 51.7 MB / 0.7448 GB
Notification: Performance of FrontEnd: time 3.366e-06/2.232, allocations: 4 kB / 1.02 GB, free: 51.69 MB / 0.7448 GB
Notification: Performance of Transformations before backend: time 0.0005809/2.233, allocations: 0 / 1.02 GB, free: 51.69 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: 1779
 * Number of variables: 1779
Notification: Performance of Generate backend data structure: time 0.0275/2.26, allocations: 7.857 MB / 1.028 GB, free: 44.42 MB / 0.7448 GB
Notification: Performance of prepare preOptimizeDAE: time 5.35e-05/2.26, allocations: 12.03 kB / 1.028 GB, free: 44.41 MB / 0.7448 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02702/2.287, allocations: 2.823 MB / 1.031 GB, free: 41.67 MB / 0.7448 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.02798/2.316, allocations: 8.44 MB / 1.039 GB, free: 36.13 MB / 0.7448 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.002682/2.318, allocations: 1.15 MB / 1.04 GB, free: 35.11 MB / 0.7448 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.003431/2.322, allocations: 0.6936 MB / 1.041 GB, free: 34.64 MB / 0.7448 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.03904/2.361, allocations: 10.12 MB / 1.051 GB, free: 27.43 MB / 0.7448 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0003514/2.361, allocations: 10.81 kB / 1.051 GB, free: 27.43 MB / 0.7448 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002687/2.364, allocations: 290.6 kB / 1.051 GB, free: 27.36 MB / 0.7448 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004279/2.364, allocations: 313.4 kB / 1.051 GB, free: 27.07 MB / 0.7448 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03822/2.403, allocations: 9.653 MB / 1.061 GB, free: 20.33 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 0.09416/2.497, allocations: 38.5 MB / 1.098 GB, free: 1.785 MB / 0.7605 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0256/2.522, allocations: 6.25 MB / 1.104 GB, free: 11.6 MB / 0.7761 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.003066/2.526, allocations: 1.045 MB / 1.105 GB, free: 10.39 MB / 0.7761 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01784/2.543, allocations: 3.96 MB / 1.109 GB, free: 6.387 MB / 0.7761 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.004814/2.548, allocations: 368.4 kB / 1.11 GB, free: 6.023 MB / 0.7761 GB
Notification: Performance of pre-optimization done (n=481): time 1.822e-05/2.548, allocations: 3.281 kB / 1.11 GB, free: 6.023 MB / 0.7761 GB
Notification: Performance of matching and sorting (n=490): time 0.1021/2.651, allocations: 22.73 MB / 1.132 GB, free: 15.13 MB / 0.8073 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0003509/2.651, allocations: 0.5604 MB / 1.132 GB, free: 14.45 MB / 0.8073 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01406/2.665, allocations: 5.055 MB / 1.137 GB, free: 9.402 MB / 0.8073 GB
Notification: Performance of collectPreVariables (initialization): time 0.001481/2.667, allocations: 128.3 kB / 1.137 GB, free: 9.273 MB / 0.8073 GB
Notification: Performance of collectInitialEqns (initialization): time 0.005821/2.672, allocations: 3.697 MB / 1.141 GB, free: 5.559 MB / 0.8073 GB
Notification: Performance of collectInitialBindings (initialization): time 0.003361/2.676, allocations: 1.681 MB / 1.143 GB, free: 3.891 MB / 0.8073 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009893/2.677, allocations: 99.83 kB / 1.143 GB, free: 3.797 MB / 0.8073 GB
Notification: Performance of setup shared object (initialization): time 0.0005958/2.677, allocations: 0.493 MB / 1.143 GB, free: 3.297 MB / 0.8073 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01165/2.689, allocations: 2.809 MB / 1.146 GB, free: 492 kB / 0.8073 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01324/2.702, allocations: 4.02 MB / 1.15 GB, free: 11.99 MB / 0.823 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01309/2.716, allocations: 3.464 MB / 1.153 GB, free: 8.484 MB / 0.823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.501e-05/2.716, allocations: 8 kB / 1.153 GB, free: 8.477 MB / 0.823 GB
Notification: Performance of matching and sorting (n=634) (initialization): time 0.03474/2.75, allocations: 8.113 MB / 1.161 GB, free: 380 kB / 0.823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.004924/2.755, allocations: 10.75 MB / 1.172 GB, free: 4.918 MB / 0.8386 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001301/2.756, allocations: 23.95 kB / 1.172 GB, free: 4.895 MB / 0.8386 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.003014/2.759, allocations: 455.1 kB / 1.172 GB, free: 4.438 MB / 0.8386 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.03237/2.791, allocations: 2.261 MB / 1.174 GB, free: 2.238 MB / 0.8386 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02275/2.814, allocations: 12.78 MB / 1.187 GB, free: 4.887 MB / 0.8542 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01324/2.827, allocations: 0.7918 MB / 1.188 GB, free: 4.094 MB / 0.8542 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001636/2.829, allocations: 255.9 kB / 1.188 GB, free: 3.844 MB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 1.647e-05/2.829, allocations: 4 kB / 1.188 GB, free: 3.84 MB / 0.8542 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 <failed> postOpt replaceHomotopyWithSimplified (initialization): time 0.01405/2.843, allocations: 3.319 MB / 1.191 GB, free: 0.5195 MB / 0.8542 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated