Running command: translateModel(Buildings.Fluid.HeatExchangers.Examples.WaterCooler_T,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Fluid.HeatExchangers.Examples.WaterCooler_T")
Notification: Performance of loadModel(Buildings): time 3.643/3.643, allocations: 402 MB / 416.6 MB, free: 10.2 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 2.965e-05/2.983e-05, allocations: 4 kB / 0.5009 GB, free: 8.266 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1994/0.1995, allocations: 92.69 MB / 0.5915 GB, free: 11.4 MB / 0.4948 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Examples.WaterCooler_T): time 0.5545/0.7541, allocations: 42.97 MB / 0.6334 GB, free: 4.598 MB / 0.5105 GB
Notification: Performance of NFInst.instExpressions: time 0.03394/0.7881, allocations: 14.37 MB / 0.6475 GB, free: 11.05 MB / 0.5261 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.00387/0.792, allocations: 103.4 kB / 0.6476 GB, free: 11.02 MB / 0.5261 GB
Notification: Performance of NFTyping.typeComponents: time 0.004895/0.797, allocations: 0.9426 MB / 0.6485 GB, free: 10.5 MB / 0.5261 GB
Notification: Performance of NFTyping.typeBindings: time 0.01027/0.8073, allocations: 2.084 MB / 0.6505 GB, free: 9.09 MB / 0.5261 GB
Notification: Performance of NFTyping.typeClassSections: time 0.01189/0.8192, allocations: 2.425 MB / 0.6529 GB, free: 7.434 MB / 0.5261 GB
Notification: Performance of NFFlatten.flatten: time 0.007468/0.8267, allocations: 2.187 MB / 0.655 GB, free: 5.848 MB / 0.5261 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.002772/0.8295, allocations: 1.007 MB / 0.656 GB, free: 5.195 MB / 0.5261 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004909/0.8344, allocations: 1.268 MB / 0.6572 GB, free: 4.43 MB / 0.5261 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.002946/0.8374, allocations: 0.8217 MB / 0.658 GB, free: 3.98 MB / 0.5261 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.005787/0.8433, allocations: 1.305 MB / 0.6593 GB, free: 3.348 MB / 0.5261 GB
Notification: Performance of NFPackage.collectConstants: time 0.001153/0.8445, allocations: 88.31 kB / 0.6594 GB, free: 3.348 MB / 0.5261 GB
Notification: Performance of NFScalarize.scalarize: time 0.0009381/0.8454, allocations: 365.7 kB / 0.6597 GB, free: 3.105 MB / 0.5261 GB
Notification: Performance of NFVerifyModel.verify: time 0.001218/0.8467, allocations: 177.8 kB / 0.6599 GB, free: 3.105 MB / 0.5261 GB
Notification: Performance of NFConvertDAE.convert: time 0.006151/0.8528, allocations: 2.367 MB / 0.6622 GB, free: 1.531 MB / 0.5261 GB
Notification: Performance of FrontEnd - DAE generated: time 4.388e-06/0.8529, allocations: 0 / 0.6622 GB, free: 1.531 MB / 0.5261 GB
Notification: Performance of FrontEnd: time 2.545e-06/0.8529, allocations: 5.156 kB / 0.6622 GB, free: 1.527 MB / 0.5261 GB
Notification: Performance of Transformations before backend: time 0.000103/0.853, allocations: 0 / 0.6622 GB, free: 1.527 MB / 0.5261 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 290
 * Number of variables: 290
Notification: Performance of Generate backend data structure: time 0.005681/0.8587, allocations: 1.889 MB / 0.6641 GB, free: 88 kB / 0.5261 GB
Notification: Performance of prepare preOptimizeDAE: time 5.53e-05/0.8588, allocations: 12.88 kB / 0.6641 GB, free: 84 kB / 0.5261 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004146/0.8629, allocations: 485.7 kB / 0.6645 GB, free: 15.87 MB / 0.5417 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005451/0.8684, allocations: 1.529 MB / 0.666 GB, free: 14.71 MB / 0.5417 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007324/0.8692, allocations: 164.8 kB / 0.6662 GB, free: 14.64 MB / 0.5417 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0005062/0.8698, allocations: 123.2 kB / 0.6663 GB, free: 14.61 MB / 0.5417 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.005439/0.8752, allocations: 1.426 MB / 0.6677 GB, free: 13.63 MB / 0.5417 GB
Notification: Performance of preOpt findStateOrder (simulation): time 5.195e-05/0.8753, allocations: 2.531 kB / 0.6677 GB, free: 13.63 MB / 0.5417 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002059/0.8756, allocations: 55.92 kB / 0.6678 GB, free: 13.59 MB / 0.5417 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.41e-05/0.8756, allocations: 30.16 kB / 0.6678 GB, free: 13.59 MB / 0.5417 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.005772/0.8814, allocations: 1.152 MB / 0.6689 GB, free: 13.04 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 0.0166/0.8981, allocations: 7.453 MB / 0.6762 GB, free: 6.285 MB / 0.5417 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.005103/0.9032, allocations: 1.433 MB / 0.6776 GB, free: 5.242 MB / 0.5417 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.006677/0.9099, allocations: 2.542 MB / 0.6801 GB, free: 2.656 MB / 0.5417 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.002269/0.9123, allocations: 0.5057 MB / 0.6806 GB, free: 2.133 MB / 0.5417 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.0009901/0.9133, allocations: 91.25 kB / 0.6807 GB, free: 2.043 MB / 0.5417 GB
Notification: Performance of pre-optimization done (n=63): time 4.238e-06/0.9133, allocations: 0 / 0.6807 GB, free: 2.043 MB / 0.5417 GB
Notification: Performance of matching and sorting (n=63): time 0.006851/0.9202, allocations: 1.327 MB / 0.682 GB, free: 0.6875 MB / 0.5417 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 9.655e-05/0.9203, allocations: 141 kB / 0.6821 GB, free: 0.5195 MB / 0.5417 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003259/0.9236, allocations: 1.282 MB / 0.6833 GB, free: 15.23 MB / 0.5573 GB
Notification: Performance of collectPreVariables (initialization): time 0.0002349/0.9239, allocations: 45.7 kB / 0.6834 GB, free: 15.18 MB / 0.5573 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001213/0.9251, allocations: 0.8956 MB / 0.6843 GB, free: 14.28 MB / 0.5573 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0004044/0.9255, allocations: 224.8 kB / 0.6845 GB, free: 14.06 MB / 0.5573 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 9.341e-05/0.9256, allocations: 20 kB / 0.6845 GB, free: 14.04 MB / 0.5573 GB
Notification: Performance of setup shared object (initialization): time 0.0002095/0.9259, allocations: 345.9 kB / 0.6848 GB, free: 13.7 MB / 0.5573 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.001864/0.9277, allocations: 398.1 kB / 0.6852 GB, free: 13.3 MB / 0.5573 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.002257/0.93, allocations: 0.7767 MB / 0.686 GB, free: 12.36 MB / 0.5573 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.00208/0.9321, allocations: 0.5302 MB / 0.6865 GB, free: 11.81 MB / 0.5573 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.181e-05/0.9322, allocations: 4 kB / 0.6865 GB, free: 11.81 MB / 0.5573 GB
Notification: Performance of matching and sorting (n=128) (initialization): time 0.005268/0.9375, allocations: 1.358 MB / 0.6878 GB, free: 10.43 MB / 0.5573 GB
Notification: Performance of prepare postOptimizeDAE: time 0.002041/0.9395, allocations: 4.217 MB / 0.6919 GB, free: 5.848 MB / 0.5573 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.934e-05/0.9396, allocations: 12 kB / 0.6919 GB, free: 5.836 MB / 0.5573 GB
Notification: Performance of postOpt tearingSystem (initialization): time 4.422e-05/0.9397, allocations: 16 kB / 0.692 GB, free: 5.82 MB / 0.5573 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002506/0.9422, allocations: 287.6 kB / 0.6922 GB, free: 5.539 MB / 0.5573 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0005515/0.9428, allocations: 0.6211 MB / 0.6928 GB, free: 4.895 MB / 0.5573 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002546/0.9453, allocations: 139.8 kB / 0.693 GB, free: 4.758 MB / 0.5573 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002127/0.9456, allocations: 51.98 kB / 0.693 GB, free: 4.707 MB / 0.5573 GB
Notification: Performance of prepare postOptimizeDAE: time 1.527e-05/0.9456, allocations: 5.094 kB / 0.693 GB, free: 4.703 MB / 0.5573 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.004363/0.95, allocations: 1.179 MB / 0.6942 GB, free: 3.512 MB / 0.5573 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.058e-05/0.9501, allocations: 24.05 kB / 0.6942 GB, free: 3.488 MB / 0.5573 GB
Notification: Performance of postOpt tearingSystem (initialization): time 2.77e-05/0.9501, allocations: 16 kB / 0.6942 GB, free: 3.473 MB / 0.5573 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002181/0.9523, allocations: 283.6 kB / 0.6945 GB, free: 3.195 MB / 0.5573 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0004965/0.9528, allocations: 0.6094 MB / 0.6951 GB, free: 2.562 MB / 0.5573 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002334/0.9552, allocations: 135.9 kB / 0.6952 GB, free: 2.43 MB / 0.5573 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001875/0.9554, allocations: 59.94 kB / 0.6953 GB, free: 2.371 MB / 0.5573 GB
Warning: Assuming fixed start value for the following 1 variables:
         vol.dynBal.m:VARIABLE(min = max(0.0, 0.0) start = vol.V * vol.rho_start unit = "kg" fixed = true stateSelect=StateSelect.prefer protected = true )  "Mass of fluid" type: Real
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 46
 * Number of states: 0 ()
 * Number of discrete variables: 6 ($whenCondition1,$PRE.TSet.T_start,TSet.T_start,$PRE.TSet.count,TSet.count,conPI.I.trigger_internal)
 * Number of discrete states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (124):
 * Single equations (assignments): 118
 * Array equations: 2
 * Algorithm blocks: 2
 * Record equations: 1
 * When equations: 0
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 1
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details:
 * Constant Jacobian: 0
 * Linear Jacobian (size,density): 0
 * Non-linear Jacobian: 1 {1}
 * Without analytic Jacobian: 0
Notification: Performance of prepare postOptimizeDAE: time 0.001246/0.9566, allocations: 419.4 kB / 0.6957 GB, free: 1.953 MB / 0.5573 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004563/0.9571, allocations: 161.9 kB / 0.6958 GB, free: 1.793 MB / 0.5573 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00502/0.9621, allocations: 1.198 MB / 0.697 GB, free: 0.5742 MB / 0.5573 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.00388/0.9661, allocations: 1.038 MB / 0.698 GB, free: 15.48 MB / 0.573 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.525e-06/0.9661, allocations: 0 / 0.698 GB, free: 15.48 MB / 0.573 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.00116/0.9673, allocations: 330.7 kB / 0.6983 GB, free: 15.13 MB / 0.573 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003318/0.9676, allocations: 16 kB / 0.6983 GB, free: 15.12 MB / 0.573 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001795/0.9694, allocations: 119.8 kB / 0.6984 GB, free: 15 MB / 0.573 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002164/0.9697, allocations: 56.56 kB / 0.6985 GB, free: 14.95 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 0.003828/0.9735, allocations: 0.7058 MB / 0.6992 GB, free: 14.24 MB / 0.573 GB
Error: post-optimization module createDAEmodeBDAE (simulation) failed.