Running command: translateModel(Buildings.Fluid.Chillers.Examples.Carnot_y,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Fluid.Chillers.Examples.Carnot_y")
Notification: Performance of loadModel(Buildings): time 3.842/3.842, allocations: 402 MB / 416.6 MB, free: 10.11 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 2.708e-05/2.711e-05, allocations: 4 kB / 0.501 GB, free: 8.234 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2022/0.2023, allocations: 92.68 MB / 0.5915 GB, free: 11.38 MB / 0.4948 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Chillers.Examples.Carnot_y): time 0.5802/0.7825, allocations: 60.09 MB / 0.6501 GB, free: 8.887 MB / 0.5261 GB
Notification: Performance of NFInst.instExpressions: time 0.02254/0.8051, allocations: 9.508 MB / 0.6594 GB, free: 1.953 MB / 0.5261 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.003296/0.8085, allocations: 66.5 kB / 0.6595 GB, free: 1.934 MB / 0.5261 GB
Notification: Performance of NFTyping.typeComponents: time 0.003651/0.8122, allocations: 0.6862 MB / 0.6602 GB, free: 1.297 MB / 0.5261 GB
Notification: Performance of NFTyping.typeBindings: time 0.009561/0.8218, allocations: 1.968 MB / 0.6621 GB, free: 15.48 MB / 0.5417 GB
Notification: Performance of NFTyping.typeClassSections: time 0.005787/0.8276, allocations: 0.9901 MB / 0.663 GB, free: 14.77 MB / 0.5417 GB
Notification: Performance of NFFlatten.flatten: time 0.007751/0.8354, allocations: 2.04 MB / 0.665 GB, free: 13.29 MB / 0.5417 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.002304/0.8378, allocations: 0.8176 MB / 0.6658 GB, free: 12.78 MB / 0.5417 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004148/0.842, allocations: 1.093 MB / 0.6669 GB, free: 12.14 MB / 0.5417 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.002817/0.8448, allocations: 0.7623 MB / 0.6676 GB, free: 11.73 MB / 0.5417 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.004278/0.8491, allocations: 0.7129 MB / 0.6683 GB, free: 11.43 MB / 0.5417 GB
Notification: Performance of NFPackage.collectConstants: time 0.0007303/0.8499, allocations: 58.19 kB / 0.6684 GB, free: 11.43 MB / 0.5417 GB
Notification: Performance of NFScalarize.scalarize: time 0.0005817/0.8505, allocations: 262.7 kB / 0.6686 GB, free: 11.24 MB / 0.5417 GB
Notification: Performance of NFVerifyModel.verify: time 0.001303/0.8518, allocations: 171.1 kB / 0.6688 GB, free: 11.24 MB / 0.5417 GB
Notification: Performance of NFConvertDAE.convert: time 0.00539/0.8572, allocations: 2.097 MB / 0.6709 GB, free: 9.77 MB / 0.5417 GB
Notification: Performance of FrontEnd - DAE generated: time 4.688e-06/0.8573, allocations: 0 / 0.6709 GB, free: 9.77 MB / 0.5417 GB
Notification: Performance of FrontEnd: time 3.957e-06/0.8573, allocations: 1.031 kB / 0.6709 GB, free: 9.77 MB / 0.5417 GB
Notification: Performance of Transformations before backend: time 8.086e-05/0.8574, allocations: 0 / 0.6709 GB, free: 9.77 MB / 0.5417 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 276
 * Number of variables: 276
Notification: Performance of Generate backend data structure: time 0.00501/0.8624, allocations: 1.586 MB / 0.6724 GB, free: 8.559 MB / 0.5417 GB
Notification: Performance of prepare preOptimizeDAE: time 5.537e-05/0.8625, allocations: 12.12 kB / 0.6724 GB, free: 8.555 MB / 0.5417 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002035/0.8646, allocations: 255.7 kB / 0.6727 GB, free: 8.441 MB / 0.5417 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004835/0.8694, allocations: 1.389 MB / 0.674 GB, free: 7.332 MB / 0.5417 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001232/0.8696, allocations: 85.33 kB / 0.6741 GB, free: 7.293 MB / 0.5417 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003127/0.8699, allocations: 117.4 kB / 0.6742 GB, free: 7.254 MB / 0.5417 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.005335/0.8753, allocations: 1.381 MB / 0.6756 GB, free: 6.297 MB / 0.5417 GB
Notification: Performance of preOpt findStateOrder (simulation): time 5.679e-05/0.8754, allocations: 5.594 kB / 0.6756 GB, free: 6.293 MB / 0.5417 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001856/0.8756, allocations: 58.42 kB / 0.6756 GB, free: 6.25 MB / 0.5417 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.454e-05/0.8757, allocations: 31.25 kB / 0.6757 GB, free: 6.25 MB / 0.5417 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004649/0.8803, allocations: 1.088 MB / 0.6767 GB, free: 5.719 MB / 0.5417 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 0.01197/0.8924, allocations: 6.738 MB / 0.6833 GB, free: 15.57 MB / 0.5573 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.003827/0.8962, allocations: 0.6907 MB / 0.684 GB, free: 15.2 MB / 0.5573 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003223/0.8966, allocations: 187.4 kB / 0.6842 GB, free: 15 MB / 0.5573 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.826e-05/0.8967, allocations: 48.2 kB / 0.6842 GB, free: 14.95 MB / 0.5573 GB
Notification: Performance of pre-optimization done (n=65): time 3.948e-06/0.8967, allocations: 0 / 0.6842 GB, free: 14.95 MB / 0.5573 GB
Notification: Performance of matching and sorting (n=69): time 0.02317/0.9199, allocations: 3.77 MB / 0.6879 GB, free: 11.09 MB / 0.5573 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 9.615e-05/0.92, allocations: 107.4 kB / 0.688 GB, free: 10.96 MB / 0.5573 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00272/0.9228, allocations: 1.139 MB / 0.6891 GB, free: 9.809 MB / 0.5573 GB
Notification: Performance of collectPreVariables (initialization): time 0.0002473/0.9231, allocations: 45.64 kB / 0.6891 GB, free: 9.758 MB / 0.5573 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0008982/0.924, allocations: 0.6722 MB / 0.6898 GB, free: 9.078 MB / 0.5573 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0003962/0.9244, allocations: 244.6 kB / 0.69 GB, free: 8.836 MB / 0.5573 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 7.525e-05/0.9245, allocations: 16 kB / 0.69 GB, free: 8.82 MB / 0.5573 GB
Notification: Performance of setup shared object (initialization): time 0.000198/0.9247, allocations: 345.9 kB / 0.6904 GB, free: 8.477 MB / 0.5573 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.001511/0.9262, allocations: 345.8 kB / 0.6907 GB, free: 8.141 MB / 0.5573 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.001939/0.9282, allocations: 0.677 MB / 0.6914 GB, free: 7.32 MB / 0.5573 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.001721/0.9299, allocations: 450 kB / 0.6918 GB, free: 6.879 MB / 0.5573 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.452e-05/0.9299, allocations: 3.953 kB / 0.6918 GB, free: 6.875 MB / 0.5573 GB
Notification: Performance of matching and sorting (n=112) (initialization): time 0.009738/0.9397, allocations: 1.598 MB / 0.6934 GB, free: 5.27 MB / 0.5573 GB
Notification: Performance of prepare postOptimizeDAE: time 0.001481/0.9412, allocations: 3.192 MB / 0.6965 GB, free: 1.879 MB / 0.5573 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.568e-05/0.9413, allocations: 12 kB / 0.6965 GB, free: 1.867 MB / 0.5573 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.001048/0.9423, allocations: 156.6 kB / 0.6966 GB, free: 1.711 MB / 0.5573 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001805/0.9442, allocations: 219.7 kB / 0.6968 GB, free: 1.496 MB / 0.5573 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001444/0.9456, allocations: 0.7161 MB / 0.6975 GB, free: 0.7539 MB / 0.5573 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002624/0.9483, allocations: 139.8 kB / 0.6977 GB, free: 0.6172 MB / 0.5573 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001473/0.9484, allocations: 43.98 kB / 0.6977 GB, free: 0.5742 MB / 0.5573 GB
Notification: Performance of prepare postOptimizeDAE: time 1.415e-05/0.9485, allocations: 4 kB / 0.6977 GB, free: 0.5703 MB / 0.5573 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.008833/0.9573, allocations: 1.404 MB / 0.6991 GB, free: 15.17 MB / 0.573 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.671e-05/0.9574, allocations: 8 kB / 0.6991 GB, free: 15.16 MB / 0.573 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0009074/0.9583, allocations: 148.8 kB / 0.6992 GB, free: 15.01 MB / 0.573 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001578/0.9599, allocations: 207.6 kB / 0.6994 GB, free: 14.81 MB / 0.573 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001325/0.9612, allocations: 0.7201 MB / 0.7001 GB, free: 14.06 MB / 0.573 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002431/0.9637, allocations: 135.7 kB / 0.7003 GB, free: 13.93 MB / 0.573 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000159/0.9639, allocations: 40.23 kB / 0.7003 GB, free: 13.89 MB / 0.573 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 36
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (103):
 * Single equations (assignments): 102
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 0
 * Torn equation systems: 1
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 0
 * Non-linear torn systems: 1 {1 9}
Notification: Performance of prepare postOptimizeDAE: time 0.0009835/0.9649, allocations: 369.4 kB / 0.7007 GB, free: 13.52 MB / 0.573 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004122/0.9653, allocations: 138.3 kB / 0.7008 GB, free: 13.38 MB / 0.573 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.009375/0.9747, allocations: 1.458 MB / 0.7022 GB, free: 11.9 MB / 0.573 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.008979/0.9837, allocations: 1.345 MB / 0.7035 GB, free: 10.52 MB / 0.573 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.821e-05/0.9838, allocations: 8 kB / 0.7035 GB, free: 10.51 MB / 0.573 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001268/0.9851, allocations: 331.2 kB / 0.7039 GB, free: 10.16 MB / 0.573 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003365/0.9854, allocations: 15.95 kB / 0.7039 GB, free: 10.15 MB / 0.573 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002044/0.9875, allocations: 111.7 kB / 0.704 GB, free: 10.04 MB / 0.573 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002056/0.9877, allocations: 52.52 kB / 0.704 GB, free: 9.988 MB / 0.573 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.
Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed!
Notification: Performance of <failed> postOpt createDAEmodeBDAE (simulation): time 0.005071/0.9928, allocations: 0.9836 MB / 0.705 GB, free: 8.992 MB / 0.573 GB
Error: post-optimization module createDAEmodeBDAE (simulation) failed.