Running command: translateModel(Buildings.Fluid.HeatPumps.Examples.Carnot_y,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Fluid.HeatPumps.Examples.Carnot_y")
Notification: Performance of loadModel(Buildings): time 3.908/3.908, allocations: 402 MB / 416.6 MB, free: 10.2 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.076e-05/3.08e-05, allocations: 4 kB / 0.5009 GB, free: 8.258 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1991/0.1991, allocations: 92.69 MB / 0.5915 GB, free: 11.38 MB / 0.4948 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatPumps.Examples.Carnot_y): time 0.618/0.8172, allocations: 60.11 MB / 0.6502 GB, free: 8.887 MB / 0.5261 GB
Notification: Performance of NFInst.instExpressions: time 0.03575/0.853, allocations: 11.45 MB / 0.6613 GB, free: 420 kB / 0.5261 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.003938/0.857, allocations: 66.62 kB / 0.6614 GB, free: 400 kB / 0.5261 GB
Notification: Performance of NFTyping.typeComponents: time 0.005282/0.8624, allocations: 0.6898 MB / 0.6621 GB, free: 15.75 MB / 0.5417 GB
Notification: Performance of NFTyping.typeBindings: time 0.01317/0.8756, allocations: 2.049 MB / 0.6641 GB, free: 13.86 MB / 0.5417 GB
Notification: Performance of NFTyping.typeClassSections: time 0.006771/0.8824, allocations: 0.9663 MB / 0.665 GB, free: 13.15 MB / 0.5417 GB
Notification: Performance of NFFlatten.flatten: time 0.008538/0.891, allocations: 2.046 MB / 0.667 GB, free: 11.67 MB / 0.5417 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.002702/0.8938, allocations: 0.822 MB / 0.6678 GB, free: 11.16 MB / 0.5417 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004959/0.8988, allocations: 1.117 MB / 0.6689 GB, free: 10.49 MB / 0.5417 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.00369/0.9025, allocations: 0.7744 MB / 0.6697 GB, free: 10.08 MB / 0.5417 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.005738/0.9083, allocations: 0.7089 MB / 0.6704 GB, free: 9.781 MB / 0.5417 GB
Notification: Performance of NFPackage.collectConstants: time 0.001032/0.9094, allocations: 59.78 kB / 0.6704 GB, free: 9.781 MB / 0.5417 GB
Notification: Performance of NFScalarize.scalarize: time 0.0007754/0.9102, allocations: 265.2 kB / 0.6707 GB, free: 9.59 MB / 0.5417 GB
Notification: Performance of NFVerifyModel.verify: time 0.001737/0.912, allocations: 172 kB / 0.6708 GB, free: 9.59 MB / 0.5417 GB
Notification: Performance of NFConvertDAE.convert: time 0.006816/0.9188, allocations: 2.095 MB / 0.6729 GB, free: 8.125 MB / 0.5417 GB
Notification: Performance of FrontEnd - DAE generated: time 4.107e-06/0.9189, allocations: 0 / 0.6729 GB, free: 8.125 MB / 0.5417 GB
Notification: Performance of FrontEnd: time 2.384e-06/0.9189, allocations: 0 / 0.6729 GB, free: 8.125 MB / 0.5417 GB
Notification: Performance of Transformations before backend: time 9.659e-05/0.919, allocations: 1.188 kB / 0.6729 GB, free: 8.125 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 0.0066/0.9256, allocations: 1.578 MB / 0.6744 GB, free: 6.922 MB / 0.5417 GB
Notification: Performance of prepare preOptimizeDAE: time 6.656e-05/0.9257, allocations: 13.47 kB / 0.6744 GB, free: 6.918 MB / 0.5417 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002732/0.9285, allocations: 263.6 kB / 0.6747 GB, free: 6.797 MB / 0.5417 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005892/0.9344, allocations: 1.394 MB / 0.6761 GB, free: 5.688 MB / 0.5417 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001542/0.9347, allocations: 94.72 kB / 0.6761 GB, free: 5.641 MB / 0.5417 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004035/0.9351, allocations: 120.2 kB / 0.6763 GB, free: 5.598 MB / 0.5417 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.006814/0.9419, allocations: 1.389 MB / 0.6776 GB, free: 4.633 MB / 0.5417 GB
Notification: Performance of preOpt findStateOrder (simulation): time 6.867e-05/0.942, allocations: 7.156 kB / 0.6776 GB, free: 4.629 MB / 0.5417 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002756/0.9423, allocations: 44.84 kB / 0.6777 GB, free: 4.598 MB / 0.5417 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001219/0.9425, allocations: 42.45 kB / 0.6777 GB, free: 4.586 MB / 0.5417 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.006033/0.9485, allocations: 1.096 MB / 0.6788 GB, free: 4.051 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 0.01707/0.9656, allocations: 6.715 MB / 0.6853 GB, free: 13.87 MB / 0.5573 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01669/0.9824, allocations: 0.7026 MB / 0.686 GB, free: 13.14 MB / 0.5573 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003791/0.9828, allocations: 182.7 kB / 0.6862 GB, free: 12.93 MB / 0.5573 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.318e-05/0.9829, allocations: 43.12 kB / 0.6862 GB, free: 12.88 MB / 0.5573 GB
Notification: Performance of pre-optimization done (n=65): time 5.009e-06/0.9829, allocations: 0 / 0.6862 GB, free: 12.88 MB / 0.5573 GB
Notification: Performance of matching and sorting (n=69): time 0.04732/1.03, allocations: 3.785 MB / 0.6899 GB, free: 8.996 MB / 0.5573 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 9.639e-05/1.03, allocations: 115.3 kB / 0.69 GB, free: 8.859 MB / 0.5573 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003919/1.034, allocations: 1.143 MB / 0.6912 GB, free: 7.707 MB / 0.5573 GB
Notification: Performance of collectPreVariables (initialization): time 0.0003305/1.035, allocations: 41.7 kB / 0.6912 GB, free: 7.66 MB / 0.5573 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001211/1.036, allocations: 0.6763 MB / 0.6919 GB, free: 6.977 MB / 0.5573 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0005606/1.037, allocations: 244.4 kB / 0.6921 GB, free: 6.734 MB / 0.5573 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.000108/1.037, allocations: 16 kB / 0.6921 GB, free: 6.719 MB / 0.5573 GB
Notification: Performance of setup shared object (initialization): time 0.0002308/1.037, allocations: 341.9 kB / 0.6924 GB, free: 6.379 MB / 0.5573 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.002255/1.039, allocations: 349.8 kB / 0.6928 GB, free: 6.039 MB / 0.5573 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.002742/1.042, allocations: 0.6817 MB / 0.6934 GB, free: 5.211 MB / 0.5573 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.002496/1.045, allocations: 445.9 kB / 0.6939 GB, free: 4.773 MB / 0.5573 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.371e-05/1.045, allocations: 4 kB / 0.6939 GB, free: 4.77 MB / 0.5573 GB
Notification: Performance of matching and sorting (n=112) (initialization): time 0.01365/1.058, allocations: 1.602 MB / 0.6954 GB, free: 3.16 MB / 0.5573 GB
Notification: Performance of prepare postOptimizeDAE: time 0.002037/1.06, allocations: 3.194 MB / 0.6985 GB, free: 15.77 MB / 0.573 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.479e-05/1.06, allocations: 15.95 kB / 0.6986 GB, free: 15.75 MB / 0.573 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.00138/1.062, allocations: 156.6 kB / 0.6987 GB, free: 15.6 MB / 0.573 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002414/1.064, allocations: 219.7 kB / 0.6989 GB, free: 15.38 MB / 0.573 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001947/1.066, allocations: 0.7201 MB / 0.6996 GB, free: 14.64 MB / 0.573 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003733/1.07, allocations: 139.8 kB / 0.6998 GB, free: 14.5 MB / 0.573 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003193/1.07, allocations: 43.98 kB / 0.6998 GB, free: 14.46 MB / 0.573 GB
Notification: Performance of prepare postOptimizeDAE: time 2.245e-05/1.07, allocations: 4 kB / 0.6998 GB, free: 14.45 MB / 0.573 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.009955/1.08, allocations: 1.404 MB / 0.7012 GB, free: 13.05 MB / 0.573 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.754e-05/1.081, allocations: 12.16 kB / 0.7012 GB, free: 13.04 MB / 0.573 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0008885/1.081, allocations: 152.7 kB / 0.7013 GB, free: 12.89 MB / 0.573 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001581/1.083, allocations: 211.7 kB / 0.7015 GB, free: 12.68 MB / 0.573 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001369/1.084, allocations: 0.724 MB / 0.7022 GB, free: 11.93 MB / 0.573 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002488/1.087, allocations: 135.7 kB / 0.7024 GB, free: 11.8 MB / 0.573 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001658/1.087, allocations: 43.98 kB / 0.7024 GB, free: 11.75 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 (102):
 * Single equations (assignments): 101
 * 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 10}
Notification: Performance of prepare postOptimizeDAE: time 0.001014/1.088, allocations: 365.5 kB / 0.7028 GB, free: 11.39 MB / 0.573 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005043/1.089, allocations: 142.3 kB / 0.7029 GB, free: 11.25 MB / 0.573 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.009298/1.098, allocations: 1.454 MB / 0.7043 GB, free: 9.758 MB / 0.573 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.01079/1.109, allocations: 1.357 MB / 0.7056 GB, free: 8.363 MB / 0.573 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.923e-05/1.109, allocations: 4.25 kB / 0.7056 GB, free: 8.359 MB / 0.573 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001593/1.111, allocations: 335.1 kB / 0.706 GB, free: 8.012 MB / 0.573 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004773/1.111, allocations: 20 kB / 0.706 GB, free: 7.992 MB / 0.573 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002963/1.114, allocations: 95.91 kB / 0.7061 GB, free: 7.898 MB / 0.573 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002908/1.114, allocations: 60.52 kB / 0.7061 GB, free: 7.84 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 0.007246/1.122, allocations: 0.9915 MB / 0.7071 GB, free: 6.836 MB / 0.573 GB
Error: post-optimization module createDAEmodeBDAE (simulation) failed.