Running command: translateModel(Buildings.Examples.Tutorial.SpaceCooling.System2,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_6.0.0_Buildings.Examples.Tutorial.SpaceCooling.System2")
Notification: Performance of loadModel(Buildings): time 4.541/4.541, allocations: 431.3 MB / 445.8 MB, free: 5.387 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.725e-05/3.721e-05, allocations: 4 kB / 0.5354 GB, free: 14.83 MB / 458.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.6408/0.6408, allocations: 98.71 MB / 0.6318 GB, free: 11.92 MB / 0.5105 GB
Notification: Performance of NFInst.instantiate(Buildings.Examples.Tutorial.SpaceCooling.System2): time 1.18/1.821, allocations: 289.8 MB / 0.9148 GB, free: 13.34 MB / 0.6823 GB
Notification: Performance of NFInst.instExpressions: time 0.08215/1.903, allocations: 36.79 MB / 0.9508 GB, free: 0.4922 MB / 0.698 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.008006/1.911, allocations: 211.1 kB / 0.951 GB, free: 292 kB / 0.698 GB
Notification: Performance of NFTyping.typeComponents: time 0.01148/1.923, allocations: 2.2 MB / 0.9531 GB, free: 14.07 MB / 0.7136 GB
Notification: Performance of NFTyping.typeBindings: time 0.03081/1.954, allocations: 6.453 MB / 0.9594 GB, free: 7.602 MB / 0.7136 GB
Notification: Performance of NFTyping.typeClassSections: time 0.02342/1.977, allocations: 4.755 MB / 0.964 GB, free: 2.836 MB / 0.7136 GB
Notification: Performance of NFFlatten.flatten: time 0.03959/2.017, allocations: 10.56 MB / 0.9744 GB, free: 8.254 MB / 0.7292 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0202/2.037, allocations: 6.177 MB / 0.9804 GB, free: 2.031 MB / 0.7292 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.02154/2.059, allocations: 6.058 MB / 0.9863 GB, free: 11.96 MB / 0.7448 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.01468/2.073, allocations: 4.123 MB / 0.9903 GB, free: 7.82 MB / 0.7448 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.0378/2.111, allocations: 4.111 MB / 0.9943 GB, free: 3.703 MB / 0.7448 GB
Notification: Performance of NFPackage.collectConstants: time 0.01726/2.129, allocations: 376 kB / 0.9947 GB, free: 3.336 MB / 0.7448 GB
Notification: Performance of NFScalarize.scalarize: time 0.006337/2.135, allocations: 2.106 MB / 0.9968 GB, free: 1.223 MB / 0.7448 GB
Notification: Performance of NFVerifyModel.verify: time 0.006446/2.141, allocations: 0.9492 MB / 0.9977 GB, free: 280 kB / 0.7448 GB
Notification: Performance of NFConvertDAE.convert: time 0.02881/2.17, allocations: 14.81 MB / 1.012 GB, free: 1.43 MB / 0.7605 GB
Notification: Performance of FrontEnd - DAE generated: time 5.18e-06/2.17, allocations: 0 / 1.012 GB, free: 1.43 MB / 0.7605 GB
Notification: Performance of FrontEnd: time 3.066e-06/2.17, allocations: 0 / 1.012 GB, free: 1.43 MB / 0.7605 GB
Notification: Performance of Transformations before backend: time 0.0006162/2.171, allocations: 4 kB / 1.012 GB, free: 1.426 MB / 0.7605 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 1755
 * Number of variables: 1755
Notification: Performance of Generate backend data structure: time 0.02958/2.201, allocations: 7.891 MB / 1.02 GB, free: 9.438 MB / 0.7761 GB
Notification: Performance of prepare preOptimizeDAE: time 4.799e-05/2.201, allocations: 8.031 kB / 1.02 GB, free: 9.43 MB / 0.7761 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02819/2.229, allocations: 2.868 MB / 1.023 GB, free: 6.547 MB / 0.7761 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.02633/2.255, allocations: 7.935 MB / 1.03 GB, free: 14.52 MB / 0.7917 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.002876/2.258, allocations: 1.135 MB / 1.032 GB, free: 13.29 MB / 0.7917 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.003075/2.261, allocations: 0.6952 MB / 1.032 GB, free: 12.59 MB / 0.7917 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.03968/2.301, allocations: 9.772 MB / 1.042 GB, free: 2.613 MB / 0.7917 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0002586/2.301, allocations: 19.84 kB / 1.042 GB, free: 2.594 MB / 0.7917 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00197/2.303, allocations: 284 kB / 1.042 GB, free: 2.316 MB / 0.7917 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004792/2.304, allocations: 309.3 kB / 1.042 GB, free: 2.012 MB / 0.7917 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03556/2.339, allocations: 9.428 MB / 1.052 GB, free: 8.566 MB / 0.8073 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 0.09863/2.438, allocations: 38.44 MB / 1.089 GB, free: 15.88 MB / 0.8542 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.02045/2.459, allocations: 6.607 MB / 1.096 GB, free: 9.117 MB / 0.8542 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.003256/2.462, allocations: 1.37 MB / 1.097 GB, free: 7.492 MB / 0.8542 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01285/2.475, allocations: 3.614 MB / 1.1 GB, free: 3.84 MB / 0.8542 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.004915/2.48, allocations: 388 kB / 1.101 GB, free: 3.457 MB / 0.8542 GB
Notification: Performance of pre-optimization done (n=470): time 1.498e-05/2.48, allocations: 4 kB / 1.101 GB, free: 3.453 MB / 0.8542 GB
Notification: Performance of matching and sorting (n=470): time 0.03866/2.518, allocations: 9.36 MB / 1.11 GB, free: 10.01 MB / 0.8698 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002969/2.519, allocations: 0.5313 MB / 1.11 GB, free: 9.363 MB / 0.8698 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01632/2.535, allocations: 5.839 MB / 1.116 GB, free: 3.547 MB / 0.8698 GB
Notification: Performance of collectPreVariables (initialization): time 0.00143/2.537, allocations: 129.7 kB / 1.116 GB, free: 3.414 MB / 0.8698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.00594/2.543, allocations: 3.65 MB / 1.12 GB, free: 15.74 MB / 0.8855 GB
Notification: Performance of collectInitialBindings (initialization): time 0.003172/2.546, allocations: 1.621 MB / 1.121 GB, free: 14.09 MB / 0.8855 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.000647/2.546, allocations: 100 kB / 1.122 GB, free: 14 MB / 0.8855 GB
Notification: Performance of setup shared object (initialization): time 0.0005075/2.547, allocations: 0.497 MB / 1.122 GB, free: 13.49 MB / 0.8855 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01113/2.558, allocations: 2.84 MB / 1.125 GB, free: 10.64 MB / 0.8855 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01299/2.571, allocations: 4.071 MB / 1.129 GB, free: 6.121 MB / 0.8855 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01244/2.584, allocations: 3.499 MB / 1.132 GB, free: 2.559 MB / 0.8855 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.209e-05/2.584, allocations: 4 kB / 1.132 GB, free: 2.555 MB / 0.8855 GB
Notification: Performance of matching and sorting (n=639) (initialization): time 1.139/3.723, allocations: 7.871 MB / 1.14 GB, free: 350.4 MB / 0.8855 GB
Notification: Performance of prepare postOptimizeDAE: time 0.002173/3.725, allocations: 9.241 MB / 1.149 GB, free: 340.4 MB / 0.8855 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001332/3.725, allocations: 20.09 kB / 1.149 GB, free: 340.4 MB / 0.8855 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.001472/3.727, allocations: 174.1 kB / 1.149 GB, free: 340.4 MB / 0.8855 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0135/3.74, allocations: 1.406 MB / 1.15 GB, free: 340.3 MB / 0.8855 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004977/3.745, allocations: 4.604 MB / 1.155 GB, free: 335.9 MB / 0.8855 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01432/3.76, allocations: 0.8824 MB / 1.156 GB, free: 335.8 MB / 0.8855 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001626/3.762, allocations: 214.9 kB / 1.156 GB, free: 335.8 MB / 0.8855 GB
Notification: Performance of prepare postOptimizeDAE: time 1.571e-05/3.762, allocations: 3.844 kB / 1.156 GB, free: 335.8 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 <failed> postOpt replaceHomotopyWithSimplified (initialization): time 0.01434/3.776, allocations: 3.432 MB / 1.159 GB, free: 334.3 MB / 0.8855 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated