Running command: translateModel(Buildings.Experimental.DistrictHeatingCooling.SubStations.VaporCompression.Validation.HeatingCoolingHotwaterTimeSeries_dT,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Experimental.DistrictHeatingCooling.SubStations.VaporCompression.Validation.HeatingCoolingHotwaterTimeSeries_dT")
Notification: Performance of loadModel(Buildings): time 3.603/3.603, allocations: 402 MB / 416.6 MB, free: 10.23 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.06e-05/3.065e-05, allocations: 4 kB / 0.501 GB, free: 8.27 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1968/0.1969, allocations: 92.69 MB / 0.5915 GB, free: 11.41 MB / 0.4948 GB
Notification: Performance of NFInst.instantiate(Buildings.Experimental.DistrictHeatingCooling.SubStations.VaporCompression.Validation.HeatingCoolingHotwaterTimeSeries_dT): time 0.8157/1.013, allocations: 202.8 MB / 0.7895 GB, free: 3.484 MB / 0.6511 GB
Notification: Performance of NFInst.instExpressions: time 0.9277/1.94, allocations: 166.4 MB / 0.952 GB, free: 38.51 MB / 0.7448 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01442/1.955, allocations: 382 kB / 0.9524 GB, free: 38.51 MB / 0.7448 GB
Notification: Performance of NFTyping.typeComponents: time 0.01512/1.97, allocations: 3.148 MB / 0.9554 GB, free: 38.47 MB / 0.7448 GB
Notification: Performance of NFTyping.typeBindings: time 0.03946/2.009, allocations: 8.693 MB / 0.9639 GB, free: 38.29 MB / 0.7448 GB
Notification: Performance of NFTyping.typeClassSections: time 0.0266/2.036, allocations: 5.922 MB / 0.9697 GB, free: 36.63 MB / 0.7448 GB
Notification: Performance of NFFlatten.flatten: time 0.06197/2.098, allocations: 16.74 MB / 0.9861 GB, free: 34.32 MB / 0.7448 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01503/2.113, allocations: 4.334 MB / 0.9903 GB, free: 32.88 MB / 0.7448 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.03876/2.152, allocations: 12.5 MB / 1.003 GB, free: 31.05 MB / 0.7448 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.01094/2.163, allocations: 3.255 MB / 1.006 GB, free: 29.92 MB / 0.7448 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.01503/2.178, allocations: 2.594 MB / 1.008 GB, free: 29.43 MB / 0.7448 GB
Notification: Performance of NFPackage.collectConstants: time 0.003772/2.182, allocations: 257.2 kB / 1.008 GB, free: 29.43 MB / 0.7448 GB
Notification: Performance of NFScalarize.scalarize: time 0.00357/2.185, allocations: 1.317 MB / 1.01 GB, free: 28.85 MB / 0.7448 GB
Notification: Performance of NFVerifyModel.verify: time 0.005358/2.191, allocations: 0.7203 MB / 1.01 GB, free: 28.85 MB / 0.7448 GB
Notification: Performance of NFConvertDAE.convert: time 0.02041/2.211, allocations: 10.89 MB / 1.021 GB, free: 22.67 MB / 0.7448 GB
Notification: Performance of FrontEnd - DAE generated: time 4.288e-06/2.211, allocations: 0 / 1.021 GB, free: 22.67 MB / 0.7448 GB
Notification: Performance of FrontEnd: time 3.997e-06/2.211, allocations: 0 / 1.021 GB, free: 22.67 MB / 0.7448 GB
Notification: Performance of Transformations before backend: time 0.0004678/2.212, allocations: 3.938 kB / 1.021 GB, free: 22.67 MB / 0.7448 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 1278
 * Number of variables: 1278
Notification: Performance of Generate backend data structure: time 0.01716/2.229, allocations: 6.086 MB / 1.027 GB, free: 17.82 MB / 0.7448 GB
Notification: Performance of prepare preOptimizeDAE: time 5.461e-05/2.229, allocations: 8.031 kB / 1.027 GB, free: 17.81 MB / 0.7448 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02018/2.249, allocations: 2.37 MB / 1.029 GB, free: 15.45 MB / 0.7448 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.02057/2.27, allocations: 6.841 MB / 1.036 GB, free: 11.19 MB / 0.7448 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.003839/2.274, allocations: 0.7841 MB / 1.037 GB, free: 10.57 MB / 0.7448 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001959/2.276, allocations: 0.5029 MB / 1.037 GB, free: 10.23 MB / 0.7448 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02621/2.302, allocations: 6.603 MB / 1.044 GB, free: 5.27 MB / 0.7448 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0002118/2.302, allocations: 19.81 kB / 1.044 GB, free: 5.25 MB / 0.7448 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001373/2.304, allocations: 223.3 kB / 1.044 GB, free: 5.191 MB / 0.7448 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001679/2.304, allocations: 143.6 kB / 1.044 GB, free: 5.055 MB / 0.7448 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02771/2.331, allocations: 6.14 MB / 1.05 GB, free: 0.7109 MB / 0.7448 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 0.07184/2.403, allocations: 31.86 MB / 1.081 GB, free: 6.297 MB / 0.7761 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.03013/2.434, allocations: 4.803 MB / 1.086 GB, free: 2.699 MB / 0.7761 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.02628/2.46, allocations: 9.399 MB / 1.095 GB, free: 11.43 MB / 0.7917 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01316/2.473, allocations: 2.483 MB / 1.098 GB, free: 9.484 MB / 0.7917 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.003855/2.477, allocations: 409.6 kB / 1.098 GB, free: 9.129 MB / 0.7917 GB
Notification: Performance of pre-optimization done (n=276): time 1.924e-05/2.477, allocations: 0 / 1.098 GB, free: 9.129 MB / 0.7917 GB
Notification: Performance of matching and sorting (n=280): time 0.1217/2.599, allocations: 22.23 MB / 1.12 GB, free: 5.32 MB / 0.8073 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0003506/2.599, allocations: 0.5417 MB / 1.12 GB, free: 4.656 MB / 0.8073 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01476/2.614, allocations: 5.172 MB / 1.125 GB, free: 1.047 MB / 0.8073 GB
Notification: Performance of collectPreVariables (initialization): time 0.001062/2.615, allocations: 99.39 kB / 1.125 GB, free: 0.9922 MB / 0.8073 GB
Notification: Performance of collectInitialEqns (initialization): time 0.005508/2.621, allocations: 3.34 MB / 1.129 GB, free: 14.09 MB / 0.823 GB
Notification: Performance of collectInitialBindings (initialization): time 0.002083/2.623, allocations: 0.9547 MB / 1.129 GB, free: 13.14 MB / 0.823 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005072/2.623, allocations: 76 kB / 1.13 GB, free: 13.07 MB / 0.823 GB
Notification: Performance of setup shared object (initialization): time 0.0003711/2.624, allocations: 454.3 kB / 1.13 GB, free: 12.62 MB / 0.823 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.00989/2.634, allocations: 1.858 MB / 1.132 GB, free: 10.76 MB / 0.823 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01191/2.645, allocations: 3.384 MB / 1.135 GB, free: 6.707 MB / 0.823 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01091/2.656, allocations: 2.271 MB / 1.137 GB, free: 4.402 MB / 0.823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.735e-05/2.656, allocations: 8 kB / 1.137 GB, free: 4.395 MB / 0.823 GB
Notification: Performance of matching and sorting (n=496) (initialization): time 0.05017/2.707, allocations: 6.78 MB / 1.144 GB, free: 13.54 MB / 0.8386 GB
Notification: Performance of prepare postOptimizeDAE: time 0.01315/2.72, allocations: 19.76 MB / 1.163 GB, free: 8.113 MB / 0.8542 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001899/2.72, allocations: 36.14 kB / 1.163 GB, free: 8.078 MB / 0.8542 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.008056/2.728, allocations: 0.9548 MB / 1.164 GB, free: 7.113 MB / 0.8542 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01126/2.739, allocations: 0.9867 MB / 1.165 GB, free: 6.125 MB / 0.8542 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.007978/2.747, allocations: 2.796 MB / 1.168 GB, free: 3.25 MB / 0.8542 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01201/2.76, allocations: 0.6004 MB / 1.169 GB, free: 2.648 MB / 0.8542 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001345/2.761, allocations: 219.9 kB / 1.169 GB, free: 2.434 MB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 1.859e-05/2.761, allocations: 4 kB / 1.169 GB, free: 2.43 MB / 0.8542 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.03264/2.794, allocations: 6.054 MB / 1.175 GB, free: 12.32 MB / 0.8698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001129/2.794, allocations: 36 kB / 1.175 GB, free: 12.28 MB / 0.8698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.005406/2.799, allocations: 0.9512 MB / 1.176 GB, free: 11.32 MB / 0.8698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008112/2.807, allocations: 0.9555 MB / 1.177 GB, free: 10.36 MB / 0.8698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.007659/2.815, allocations: 2.789 MB / 1.179 GB, free: 7.496 MB / 0.8698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01082/2.826, allocations: 0.5655 MB / 1.18 GB, free: 6.93 MB / 0.8698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001227/2.827, allocations: 211.9 kB / 1.18 GB, free: 6.723 MB / 0.8698 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 175
 * Number of states: 0 ()
 * Number of discrete variables: 11 ($whenCondition1,$PRE.subSta.loa.nextTimeEvent,$whenCondition3,$whenCondition2,subSta.loa.nextTimeEvent,$PRE.subSta.loa.nextTimeEventScaled,subSta.loa.nextTimeEventScaled,$PRE.weaDat.conTim1.tStart,weaDat.conTim1.tStart,$PRE.weaDat.conTim.tStart,weaDat.conTim.tStart)
 * Number of discrete states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (456):
 * Single equations (assignments): 447
 * Array equations: 3
 * Algorithm blocks: 3
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 0
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 0
 * Non-linear torn systems: 3 {1 11,1 11,1 11}
Notification: Performance of prepare postOptimizeDAE: time 0.006081/2.833, allocations: 1.503 MB / 1.181 GB, free: 5.211 MB / 0.8698 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.002399/2.836, allocations: 0.6443 MB / 1.182 GB, free: 4.559 MB / 0.8698 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.03424/2.87, allocations: 6.116 MB / 1.188 GB, free: 14.46 MB / 0.8855 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.02909/2.899, allocations: 4.79 MB / 1.193 GB, free: 9.566 MB / 0.8855 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.7e-05/2.899, allocations: 0 / 1.193 GB, free: 9.566 MB / 0.8855 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.00785/2.907, allocations: 1.308 MB / 1.194 GB, free: 8.23 MB / 0.8855 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.003563/2.911, allocations: 56 kB / 1.194 GB, free: 8.176 MB / 0.8855 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.01607/2.927, allocations: 0.5655 MB / 1.195 GB, free: 7.609 MB / 0.8855 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001135/2.928, allocations: 198 kB / 1.195 GB, free: 7.414 MB / 0.8855 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 0.03813/2.966, allocations: 4.272 MB / 1.199 GB, free: 3.16 MB / 0.8855 GB
Error: post-optimization module createDAEmodeBDAE (simulation) failed.