Running command: translateModel(Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed")
Notification: Performance of loadModel(Buildings): time 3.737/3.737, allocations: 402 MB / 416.6 MB, free: 10.19 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.863e-05/3.879e-05, allocations: 7.938 kB / 0.5009 GB, free: 8.25 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2136/0.2136, allocations: 92.68 MB / 0.5915 GB, free: 11.39 MB / 0.4948 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed): time 0.5892/0.8029, allocations: 55.91 MB / 0.6461 GB, free: 11.7 MB / 0.5261 GB
Notification: Performance of NFInst.instExpressions: time 0.02499/0.8279, allocations: 11.39 MB / 0.6572 GB, free: 3.789 MB / 0.5261 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.00304/0.831, allocations: 89.84 kB / 0.6573 GB, free: 3.762 MB / 0.5261 GB
Notification: Performance of NFTyping.typeComponents: time 0.003817/0.8349, allocations: 0.7284 MB / 0.658 GB, free: 3.086 MB / 0.5261 GB
Notification: Performance of NFTyping.typeBindings: time 0.009696/0.8446, allocations: 1.978 MB / 0.6599 GB, free: 1.266 MB / 0.5261 GB
Notification: Performance of NFTyping.typeClassSections: time 0.006657/0.8513, allocations: 1.372 MB / 0.6612 GB, free: 216 kB / 0.5261 GB
Notification: Performance of NFFlatten.flatten: time 0.006849/0.8581, allocations: 2.097 MB / 0.6633 GB, free: 14.7 MB / 0.5417 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.002494/0.8607, allocations: 0.9076 MB / 0.6642 GB, free: 14.13 MB / 0.5417 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004163/0.8649, allocations: 1.151 MB / 0.6653 GB, free: 13.45 MB / 0.5417 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.002562/0.8675, allocations: 0.7835 MB / 0.6661 GB, free: 13.03 MB / 0.5417 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.005615/0.8732, allocations: 1.192 MB / 0.6672 GB, free: 12.53 MB / 0.5417 GB
Notification: Performance of NFPackage.collectConstants: time 0.001041/0.8743, allocations: 82.72 kB / 0.6673 GB, free: 12.53 MB / 0.5417 GB
Notification: Performance of NFScalarize.scalarize: time 0.0006292/0.8749, allocations: 283.2 kB / 0.6676 GB, free: 12.33 MB / 0.5417 GB
Notification: Performance of NFVerifyModel.verify: time 0.001288/0.8762, allocations: 184.3 kB / 0.6678 GB, free: 12.33 MB / 0.5417 GB
Notification: Performance of NFConvertDAE.convert: time 0.006612/0.8828, allocations: 2.528 MB / 0.6702 GB, free: 10.59 MB / 0.5417 GB
Notification: Performance of FrontEnd - DAE generated: time 4.849e-06/0.8829, allocations: 4 kB / 0.6702 GB, free: 10.58 MB / 0.5417 GB
Notification: Performance of FrontEnd: time 2.464e-06/0.8829, allocations: 0.9688 kB / 0.6702 GB, free: 10.58 MB / 0.5417 GB
Notification: Performance of Transformations before backend: time 9.026e-05/0.883, allocations: 0 / 0.6702 GB, free: 10.58 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: 312
 * Number of variables: 312
Notification: Performance of Generate backend data structure: time 0.005796/0.8888, allocations: 1.776 MB / 0.672 GB, free: 9.23 MB / 0.5417 GB
Notification: Performance of prepare preOptimizeDAE: time 5.096e-05/0.8889, allocations: 8.719 kB / 0.672 GB, free: 9.23 MB / 0.5417 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.009888/0.8988, allocations: 0.6995 MB / 0.6727 GB, free: 8.938 MB / 0.5417 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004441/0.9033, allocations: 1.456 MB / 0.6741 GB, free: 7.758 MB / 0.5417 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002121/0.9035, allocations: 142.7 kB / 0.6742 GB, free: 7.668 MB / 0.5417 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003493/0.9039, allocations: 125.8 kB / 0.6743 GB, free: 7.629 MB / 0.5417 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.007579/0.9115, allocations: 1.801 MB / 0.6761 GB, free: 6.426 MB / 0.5417 GB
Notification: Performance of preOpt findStateOrder (simulation): time 5.316e-05/0.9116, allocations: 3.938 kB / 0.6761 GB, free: 6.422 MB / 0.5417 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002393/0.9118, allocations: 54.97 kB / 0.6762 GB, free: 6.383 MB / 0.5417 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.166e-05/0.9119, allocations: 44.78 kB / 0.6762 GB, free: 6.375 MB / 0.5417 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.009714/0.9217, allocations: 1.607 MB / 0.6778 GB, free: 5.578 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 0.01746/0.9391, allocations: 7.846 MB / 0.6854 GB, free: 13.79 MB / 0.5573 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.004251/0.9434, allocations: 0.8091 MB / 0.6862 GB, free: 12.97 MB / 0.5573 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.00165/0.9451, allocations: 0.9459 MB / 0.6871 GB, free: 11.82 MB / 0.5573 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.003591/0.9487, allocations: 0.6787 MB / 0.6878 GB, free: 11.09 MB / 0.5573 GB
Notification: Performance of pre-optimization done (n=67): time 4.017e-06/0.9487, allocations: 0 / 0.6878 GB, free: 11.09 MB / 0.5573 GB
Notification: Performance of matching and sorting (n=71): time 0.04001/0.9888, allocations: 5.441 MB / 0.6931 GB, free: 5.531 MB / 0.5573 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002615/0.9891, allocations: 423.8 kB / 0.6935 GB, free: 5.02 MB / 0.5573 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0042/0.9933, allocations: 1.21 MB / 0.6947 GB, free: 3.801 MB / 0.5573 GB
Notification: Performance of collectPreVariables (initialization): time 0.0003163/0.9936, allocations: 49.7 kB / 0.6947 GB, free: 3.746 MB / 0.5573 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001236/0.9949, allocations: 0.757 MB / 0.6955 GB, free: 2.98 MB / 0.5573 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0005207/0.9954, allocations: 256.5 kB / 0.6957 GB, free: 2.727 MB / 0.5573 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001866/0.9956, allocations: 20 kB / 0.6958 GB, free: 2.707 MB / 0.5573 GB
Notification: Performance of setup shared object (initialization): time 0.0002011/0.9959, allocations: 345.9 kB / 0.6961 GB, free: 2.363 MB / 0.5573 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.004222/1, allocations: 0.5257 MB / 0.6966 GB, free: 1.84 MB / 0.5573 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.004843/1.005, allocations: 0.943 MB / 0.6975 GB, free: 0.7188 MB / 0.5573 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.004558/1.01, allocations: 0.641 MB / 0.6981 GB, free: 76 kB / 0.5573 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.322e-05/1.01, allocations: 4 kB / 0.6981 GB, free: 72 kB / 0.5573 GB
Notification: Performance of matching and sorting (n=137) (initialization): time 0.01471/1.024, allocations: 1.775 MB / 0.6999 GB, free: 14.27 MB / 0.573 GB
Notification: Performance of prepare postOptimizeDAE: time 0.001998/1.026, allocations: 3.92 MB / 0.7037 GB, free: 10.1 MB / 0.573 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.789e-05/1.026, allocations: 11.95 kB / 0.7037 GB, free: 10.09 MB / 0.573 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.002921/1.029, allocations: 353.8 kB / 0.7041 GB, free: 9.742 MB / 0.573 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003798/1.033, allocations: 291.5 kB / 0.7043 GB, free: 9.457 MB / 0.573 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002596/1.036, allocations: 0.9104 MB / 0.7052 GB, free: 8.523 MB / 0.573 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005562/1.041, allocations: 219.5 kB / 0.7054 GB, free: 8.309 MB / 0.573 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002546/1.042, allocations: 59.97 kB / 0.7055 GB, free: 8.25 MB / 0.573 GB
Notification: Performance of prepare postOptimizeDAE: time 1.543e-05/1.042, allocations: 4 kB / 0.7055 GB, free: 8.246 MB / 0.573 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.01066/1.052, allocations: 1.607 MB / 0.7071 GB, free: 6.625 MB / 0.573 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.284e-05/1.052, allocations: 12 kB / 0.7071 GB, free: 6.613 MB / 0.573 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.002058/1.055, allocations: 356.8 kB / 0.7074 GB, free: 6.262 MB / 0.573 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002813/1.057, allocations: 287.9 kB / 0.7077 GB, free: 5.98 MB / 0.573 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002663/1.06, allocations: 0.9105 MB / 0.7086 GB, free: 5.047 MB / 0.573 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00389/1.064, allocations: 195.6 kB / 0.7088 GB, free: 4.855 MB / 0.573 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002339/1.064, allocations: 63.97 kB / 0.7088 GB, free: 4.793 MB / 0.573 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 44
 * Number of states: 0 ()
 * Number of discrete variables: 7 ($whenCondition1,$PRE.heaPum.com.isOn,heaPum.com.isOn,$PRE.N.T_start,N.T_start,$PRE.N.count,N.count)
 * Number of discrete states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (118):
 * Single equations (assignments): 116
 * Array equations: 0
 * Algorithm blocks: 1
 * 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 {2 17}
Notification: Performance of prepare postOptimizeDAE: time 0.0011/1.065, allocations: 389.5 kB / 0.7092 GB, free: 4.402 MB / 0.573 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000431/1.066, allocations: 142.3 kB / 0.7093 GB, free: 4.262 MB / 0.573 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.006569/1.072, allocations: 1.233 MB / 0.7105 GB, free: 3.004 MB / 0.573 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.005766/1.078, allocations: 1.105 MB / 0.7116 GB, free: 1.859 MB / 0.573 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.093e-05/1.078, allocations: 0 / 0.7116 GB, free: 1.859 MB / 0.573 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001312/1.08, allocations: 371.1 kB / 0.712 GB, free: 1.477 MB / 0.573 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000386/1.08, allocations: 20 kB / 0.712 GB, free: 1.457 MB / 0.573 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002834/1.083, allocations: 151.7 kB / 0.7121 GB, free: 1.309 MB / 0.573 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002281/1.083, allocations: 68.42 kB / 0.7122 GB, free: 1.242 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 0.007625/1.091, allocations: 1.595 MB / 0.7138 GB, free: 15.63 MB / 0.5886 GB
Error: post-optimization module createDAEmodeBDAE (simulation) failed.