Running command: translateModel(Buildings.Experimental.DistrictHeatingCooling.Plants.Validation.Plant_T_ClosedLoop,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Experimental.DistrictHeatingCooling.Plants.Validation.Plant_T_ClosedLoop") Notification: Performance of loadModel(Buildings): time 3.642/3.642, allocations: 402 MB / 416.6 MB, free: 10.13 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 3.354e-05/3.371e-05, allocations: 4 kB / 0.5009 GB, free: 8.254 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2107/0.2108, allocations: 92.68 MB / 0.5915 GB, free: 11.4 MB / 0.4948 GB Notification: Performance of NFInst.instantiate(Buildings.Experimental.DistrictHeatingCooling.Plants.Validation.Plant_T_ClosedLoop): time 0.5829/0.7938, allocations: 50.48 MB / 0.6408 GB, free: 15.43 MB / 0.5261 GB Notification: Performance of NFInst.instExpressions: time 0.0353/0.8291, allocations: 15.3 MB / 0.6557 GB, free: 5.219 MB / 0.5261 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003666/0.8328, allocations: 102.9 kB / 0.6558 GB, free: 5.184 MB / 0.5261 GB Notification: Performance of NFTyping.typeComponents: time 0.004631/0.8375, allocations: 0.9301 MB / 0.6567 GB, free: 4.344 MB / 0.5261 GB Notification: Performance of NFTyping.typeBindings: time 0.01057/0.8481, allocations: 2.272 MB / 0.6589 GB, free: 2.277 MB / 0.5261 GB Notification: Performance of NFTyping.typeClassSections: time 0.01129/0.8594, allocations: 2.426 MB / 0.6613 GB, free: 0.5156 MB / 0.5261 GB Notification: Performance of NFFlatten.flatten: time 0.008115/0.8675, allocations: 2.452 MB / 0.6637 GB, free: 14.73 MB / 0.5417 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002495/0.8701, allocations: 1.062 MB / 0.6647 GB, free: 14.04 MB / 0.5417 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004942/0.875, allocations: 1.379 MB / 0.6661 GB, free: 13.2 MB / 0.5417 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002904/0.878, allocations: 0.8991 MB / 0.6669 GB, free: 12.72 MB / 0.5417 GB Notification: Performance of NFFlatten.collectFunctions: time 0.005716/0.8837, allocations: 1.406 MB / 0.6683 GB, free: 12.05 MB / 0.5417 GB Notification: Performance of NFPackage.collectConstants: time 0.0009159/0.8847, allocations: 94.06 kB / 0.6684 GB, free: 12.05 MB / 0.5417 GB Notification: Performance of NFScalarize.scalarize: time 0.000699/0.8854, allocations: 371.4 kB / 0.6688 GB, free: 11.8 MB / 0.5417 GB Notification: Performance of NFVerifyModel.verify: time 0.001213/0.8866, allocations: 199.7 kB / 0.669 GB, free: 11.8 MB / 0.5417 GB Notification: Performance of NFConvertDAE.convert: time 0.006742/0.8934, allocations: 2.656 MB / 0.6715 GB, free: 10.01 MB / 0.5417 GB Notification: Performance of FrontEnd - DAE generated: time 4.258e-06/0.8934, allocations: 0 / 0.6715 GB, free: 10.01 MB / 0.5417 GB Notification: Performance of FrontEnd: time 2.855e-06/0.8934, allocations: 0 / 0.6715 GB, free: 10.01 MB / 0.5417 GB Notification: Performance of Transformations before backend: time 6.941e-05/0.8935, allocations: 1.094 kB / 0.6715 GB, free: 10.01 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: 308 * Number of variables: 308 Notification: Performance of Generate backend data structure: time 0.007254/0.9008, allocations: 1.903 MB / 0.6734 GB, free: 8.574 MB / 0.5417 GB Notification: Performance of prepare preOptimizeDAE: time 5.893e-05/0.9009, allocations: 8.75 kB / 0.6734 GB, free: 8.574 MB / 0.5417 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.00939/0.9103, allocations: 0.7793 MB / 0.6742 GB, free: 8.238 MB / 0.5417 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007112/0.9174, allocations: 1.722 MB / 0.6759 GB, free: 6.902 MB / 0.5417 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0008786/0.9183, allocations: 165 kB / 0.676 GB, free: 6.836 MB / 0.5417 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004482/0.9188, allocations: 130.2 kB / 0.6761 GB, free: 6.793 MB / 0.5417 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.008123/0.9269, allocations: 1.692 MB / 0.6778 GB, free: 5.652 MB / 0.5417 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.657e-05/0.927, allocations: 11.17 kB / 0.6778 GB, free: 5.645 MB / 0.5417 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003025/0.9274, allocations: 52.78 kB / 0.6778 GB, free: 5.605 MB / 0.5417 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.544e-05/0.9274, allocations: 30.78 kB / 0.6779 GB, free: 5.605 MB / 0.5417 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.009967/0.9374, allocations: 1.535 MB / 0.6794 GB, free: 4.348 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 0.02773/0.9652, allocations: 9.136 MB / 0.6883 GB, free: 10.53 MB / 0.5573 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01162/0.9769, allocations: 1.336 MB / 0.6896 GB, free: 9.176 MB / 0.5573 GB Notification: Performance of preOpt evalFunc (simulation): time 0.00771/0.9846, allocations: 2.712 MB / 0.6923 GB, free: 6.23 MB / 0.5573 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.003554/0.9882, allocations: 0.7209 MB / 0.693 GB, free: 5.488 MB / 0.5573 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.001433/0.9897, allocations: 166.9 kB / 0.6931 GB, free: 5.324 MB / 0.5573 GB Notification: Performance of pre-optimization done (n=68): time 5.169e-06/0.9897, allocations: 4 kB / 0.6931 GB, free: 5.32 MB / 0.5573 GB Notification: Performance of matching and sorting (n=70): time 0.02461/1.014, allocations: 4.158 MB / 0.6972 GB, free: 1.074 MB / 0.5573 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001157/1.014, allocations: 166.8 kB / 0.6973 GB, free: 0.875 MB / 0.5573 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003124/1.018, allocations: 1.367 MB / 0.6987 GB, free: 15.47 MB / 0.573 GB Notification: Performance of collectPreVariables (initialization): time 0.0002905/1.018, allocations: 53.69 kB / 0.6987 GB, free: 15.41 MB / 0.573 GB Notification: Performance of collectInitialEqns (initialization): time 0.001146/1.019, allocations: 0.9002 MB / 0.6996 GB, free: 14.5 MB / 0.573 GB Notification: Performance of collectInitialBindings (initialization): time 0.0004402/1.02, allocations: 244.5 kB / 0.6998 GB, free: 14.26 MB / 0.573 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001165/1.02, allocations: 20 kB / 0.6999 GB, free: 14.24 MB / 0.573 GB Notification: Performance of setup shared object (initialization): time 0.0001791/1.02, allocations: 353.9 kB / 0.7002 GB, free: 13.89 MB / 0.573 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003049/1.023, allocations: 0.5803 MB / 0.7008 GB, free: 13.3 MB / 0.573 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003539/1.026, allocations: 1.031 MB / 0.7018 GB, free: 12.07 MB / 0.573 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003285/1.03, allocations: 0.6952 MB / 0.7024 GB, free: 11.37 MB / 0.573 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.373e-05/1.03, allocations: 4 kB / 0.7025 GB, free: 11.37 MB / 0.573 GB Notification: Performance of matching and sorting (n=139) (initialization): time 0.007768/1.038, allocations: 1.776 MB / 0.7042 GB, free: 9.574 MB / 0.573 GB Notification: Performance of prepare postOptimizeDAE: time 0.002162/1.04, allocations: 4.935 MB / 0.709 GB, free: 4.25 MB / 0.573 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.292e-05/1.04, allocations: 16 kB / 0.709 GB, free: 4.234 MB / 0.573 GB Notification: Performance of postOpt tearingSystem (initialization): time 4.659e-05/1.04, allocations: 16 kB / 0.709 GB, free: 4.219 MB / 0.573 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003183/1.043, allocations: 351.5 kB / 0.7094 GB, free: 3.875 MB / 0.573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.591e-05/1.043, allocations: 23.94 kB / 0.7094 GB, free: 3.852 MB / 0.573 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003337/1.047, allocations: 203.7 kB / 0.7096 GB, free: 3.652 MB / 0.573 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000253/1.047, allocations: 63.97 kB / 0.7096 GB, free: 3.59 MB / 0.573 GB Notification: Performance of prepare postOptimizeDAE: time 1.279e-05/1.047, allocations: 0 / 0.7096 GB, free: 3.59 MB / 0.573 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.007085/1.054, allocations: 1.58 MB / 0.7112 GB, free: 2.004 MB / 0.573 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.577e-05/1.054, allocations: 16.75 kB / 0.7112 GB, free: 1.988 MB / 0.573 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.112e-05/1.054, allocations: 20 kB / 0.7112 GB, free: 1.969 MB / 0.573 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00292/1.057, allocations: 347.5 kB / 0.7116 GB, free: 1.629 MB / 0.573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.595e-05/1.057, allocations: 27.92 kB / 0.7116 GB, free: 1.602 MB / 0.573 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003161/1.06, allocations: 191.8 kB / 0.7118 GB, free: 1.414 MB / 0.573 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000232/1.061, allocations: 67.91 kB / 0.7118 GB, free: 1.348 MB / 0.573 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 54 * Number of states: 0 () * Number of discrete variables: 5 ($whenCondition1,$PRE.pulse.T_start,pulse.T_start,$PRE.pulse.count,pulse.count) * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (135): * Single equations (assignments): 131 * Array equations: 2 * Algorithm blocks: 1 * Record equations: 1 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.001414/1.062, allocations: 425.2 kB / 0.7122 GB, free: 0.9219 MB / 0.573 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004795/1.062, allocations: 177.8 kB / 0.7124 GB, free: 0.7461 MB / 0.573 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.007596/1.07, allocations: 1.634 MB / 0.714 GB, free: 15.09 MB / 0.5886 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.006258/1.076, allocations: 1.481 MB / 0.7154 GB, free: 13.55 MB / 0.5886 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.558e-06/1.076, allocations: 0 / 0.7154 GB, free: 13.55 MB / 0.5886 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001342/1.078, allocations: 374.6 kB / 0.7158 GB, free: 13.16 MB / 0.5886 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004072/1.078, allocations: 20 kB / 0.7158 GB, free: 13.14 MB / 0.5886 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002565/1.081, allocations: 175.7 kB / 0.716 GB, free: 12.97 MB / 0.5886 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002211/1.081, allocations: 60.45 kB / 0.7161 GB, free: 12.91 MB / 0.5886 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 postOpt createDAEmodeBDAE (simulation): time 0.005768/1.087, allocations: 1.018 MB / 0.717 GB, free: 11.88 MB / 0.5886 GB Error: post-optimization module createDAEmodeBDAE (simulation) failed.