Running command: translateModel(Buildings.Examples.Tutorial.SpaceCooling.System3,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_6.0.0_Buildings.Examples.Tutorial.SpaceCooling.System3")
Notification: Performance of loadModel(Buildings): time 4.307/4.307, allocations: 431.3 MB / 445.8 MB, free: 5.461 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.224e-05/3.216e-05, allocations: 4 kB / 0.5354 GB, free: 14.89 MB / 458.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.6258/0.6258, allocations: 98.7 MB / 0.6318 GB, free: 12.01 MB / 0.5105 GB
Notification: Performance of NFInst.instantiate(Buildings.Examples.Tutorial.SpaceCooling.System3): time 1.171/1.797, allocations: 290 MB / 0.9149 GB, free: 13.29 MB / 0.6823 GB
Notification: Performance of NFInst.instExpressions: time 0.1009/1.898, allocations: 36.8 MB / 0.9509 GB, free: 468 kB / 0.698 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.007583/1.906, allocations: 215.1 kB / 0.9511 GB, free: 252 kB / 0.698 GB
Notification: Performance of NFTyping.typeComponents: time 0.01039/1.916, allocations: 2.208 MB / 0.9532 GB, free: 14.03 MB / 0.7136 GB
Notification: Performance of NFTyping.typeBindings: time 0.02891/1.945, allocations: 6.461 MB / 0.9596 GB, free: 7.547 MB / 0.7136 GB
Notification: Performance of NFTyping.typeClassSections: time 0.02014/1.965, allocations: 4.764 MB / 0.9642 GB, free: 2.777 MB / 0.7136 GB
Notification: Performance of NFFlatten.flatten: time 0.03041/1.996, allocations: 10.58 MB / 0.9745 GB, free: 8.176 MB / 0.7292 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01553/2.011, allocations: 6.209 MB / 0.9806 GB, free: 1.922 MB / 0.7292 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.01885/2.03, allocations: 6.069 MB / 0.9865 GB, free: 11.84 MB / 0.7448 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0111/2.041, allocations: 4.139 MB / 0.9906 GB, free: 7.684 MB / 0.7448 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.01743/2.059, allocations: 4.1 MB / 0.9946 GB, free: 3.578 MB / 0.7448 GB
Notification: Performance of NFPackage.collectConstants: time 0.004095/2.063, allocations: 379.9 kB / 0.9949 GB, free: 3.207 MB / 0.7448 GB
Notification: Performance of NFScalarize.scalarize: time 0.005364/2.068, allocations: 2.11 MB / 0.997 GB, free: 1.09 MB / 0.7448 GB
Notification: Performance of NFVerifyModel.verify: time 0.005305/2.074, allocations: 0.9492 MB / 0.9979 GB, free: 144 kB / 0.7448 GB
Notification: Performance of NFConvertDAE.convert: time 0.02774/2.101, allocations: 14.83 MB / 1.012 GB, free: 1.27 MB / 0.7605 GB
Notification: Performance of FrontEnd - DAE generated: time 4.688e-06/2.101, allocations: 0 / 1.012 GB, free: 1.27 MB / 0.7605 GB
Notification: Performance of FrontEnd: time 2.845e-06/2.101, allocations: 4 kB / 1.012 GB, free: 1.266 MB / 0.7605 GB
Notification: Performance of Transformations before backend: time 0.0005774/2.102, allocations: 0 / 1.012 GB, free: 1.266 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: 1763
 * Number of variables: 1763
Notification: Performance of Generate backend data structure: time 0.02989/2.132, allocations: 7.937 MB / 1.02 GB, free: 9.23 MB / 0.7761 GB
Notification: Performance of prepare preOptimizeDAE: time 4.968e-05/2.132, allocations: 12.03 kB / 1.02 GB, free: 9.219 MB / 0.7761 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02805/2.16, allocations: 2.876 MB / 1.023 GB, free: 6.328 MB / 0.7761 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0264/2.186, allocations: 7.94 MB / 1.031 GB, free: 14.3 MB / 0.7917 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.002905/2.189, allocations: 1.15 MB / 1.032 GB, free: 13.05 MB / 0.7917 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.00317/2.193, allocations: 0.6951 MB / 1.033 GB, free: 12.35 MB / 0.7917 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.04193/2.235, allocations: 9.809 MB / 1.042 GB, free: 2.336 MB / 0.7917 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0003128/2.235, allocations: 7.938 kB / 1.042 GB, free: 2.328 MB / 0.7917 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002547/2.237, allocations: 284 kB / 1.042 GB, free: 2.051 MB / 0.7917 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004821/2.238, allocations: 313.4 kB / 1.043 GB, free: 1.742 MB / 0.7917 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03608/2.274, allocations: 9.444 MB / 1.052 GB, free: 8.281 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 0.09998/2.374, allocations: 38.59 MB / 1.09 GB, free: 15.44 MB / 0.8542 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.02212/2.396, allocations: 6.79 MB / 1.096 GB, free: 8.492 MB / 0.8542 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.003708/2.4, allocations: 1.366 MB / 1.098 GB, free: 6.867 MB / 0.8542 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01436/2.414, allocations: 3.656 MB / 1.101 GB, free: 3.184 MB / 0.8542 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.004692/2.419, allocations: 384.1 kB / 1.101 GB, free: 2.805 MB / 0.8542 GB
Notification: Performance of pre-optimization done (n=475): time 1.51e-05/2.419, allocations: 0 / 1.101 GB, free: 2.805 MB / 0.8542 GB
Notification: Performance of matching and sorting (n=482): time 0.07567/2.495, allocations: 17.3 MB / 1.118 GB, free: 1.398 MB / 0.8698 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002853/2.495, allocations: 492.7 kB / 1.119 GB, free: 0.8125 MB / 0.8698 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01678/2.512, allocations: 5.732 MB / 1.124 GB, free: 11.1 MB / 0.8855 GB
Notification: Performance of collectPreVariables (initialization): time 0.00155/2.514, allocations: 137.7 kB / 1.125 GB, free: 10.96 MB / 0.8855 GB
Notification: Performance of collectInitialEqns (initialization): time 0.006342/2.52, allocations: 3.629 MB / 1.128 GB, free: 7.301 MB / 0.8855 GB
Notification: Performance of collectInitialBindings (initialization): time 0.003349/2.523, allocations: 1.667 MB / 1.13 GB, free: 5.609 MB / 0.8855 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006716/2.524, allocations: 104 kB / 1.13 GB, free: 5.508 MB / 0.8855 GB
Notification: Performance of setup shared object (initialization): time 0.000545/2.525, allocations: 0.5127 MB / 1.13 GB, free: 4.988 MB / 0.8855 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01136/2.536, allocations: 2.883 MB / 1.133 GB, free: 2.098 MB / 0.8855 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 1.532/4.068, allocations: 4.112 MB / 1.137 GB, free: 139.8 MB / 0.8855 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01308/4.082, allocations: 3.542 MB / 1.141 GB, free: 139.6 MB / 0.8855 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.284e-05/4.082, allocations: 6.156 kB / 1.141 GB, free: 139.6 MB / 0.8855 GB
Notification: Performance of matching and sorting (n=650) (initialization): time 0.03181/4.114, allocations: 8.132 MB / 1.149 GB, free: 139.3 MB / 0.8855 GB
Notification: Performance of prepare postOptimizeDAE: time 0.001839/4.115, allocations: 9.309 MB / 1.158 GB, free: 129.7 MB / 0.8855 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001515/4.116, allocations: 19.47 kB / 1.158 GB, free: 129.7 MB / 0.8855 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.002619/4.118, allocations: 439.2 kB / 1.158 GB, free: 129.7 MB / 0.8855 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01249/4.131, allocations: 1.382 MB / 1.159 GB, free: 129.7 MB / 0.8855 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01204/4.143, allocations: 8.769 MB / 1.168 GB, free: 123.6 MB / 0.8855 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01431/4.157, allocations: 0.8999 MB / 1.169 GB, free: 123.5 MB / 0.8855 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001476/4.159, allocations: 218.1 kB / 1.169 GB, free: 123.5 MB / 0.8855 GB
Notification: Performance of prepare postOptimizeDAE: time 1.658e-05/4.159, allocations: 5.781 kB / 1.169 GB, free: 123.5 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 0.01324/4.172, allocations: 3.465 MB / 1.173 GB, free: 123.3 MB / 0.8855 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated