Running command: translateModel(Buildings.Fluid.HeatExchangers.Examples.AirHeater_u,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_6.0.0_Buildings.Fluid.HeatExchangers.Examples.AirHeater_u")
Notification: Performance of loadModel(Buildings): time 4.211/4.211, allocations: 431.3 MB / 445.8 MB, free: 5.398 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.866e-05/3.881e-05, allocations: 4 kB / 0.5354 GB, free: 14.82 MB / 458.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.618/0.6181, allocations: 98.71 MB / 0.6318 GB, free: 11.93 MB / 0.5105 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Examples.AirHeater_u): time 0.9471/1.565, allocations: 205.4 MB / 0.8323 GB, free: 3.414 MB / 0.6667 GB
Notification: Performance of NFInst.instExpressions: time 0.03345/1.599, allocations: 17.1 MB / 0.849 GB, free: 3.129 MB / 0.6667 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.003979/1.603, allocations: 103.7 kB / 0.8491 GB, free: 3.129 MB / 0.6667 GB
Notification: Performance of NFTyping.typeComponents: time 0.005197/1.608, allocations: 1.195 MB / 0.8503 GB, free: 3.113 MB / 0.6667 GB
Notification: Performance of NFTyping.typeBindings: time 0.01371/1.622, allocations: 3.38 MB / 0.8536 GB, free: 3.035 MB / 0.6667 GB
Notification: Performance of NFTyping.typeClassSections: time 0.01221/1.634, allocations: 3.026 MB / 0.8566 GB, free: 2.898 MB / 0.6667 GB
Notification: Performance of NFFlatten.flatten: time 0.007751/1.642, allocations: 2.752 MB / 0.8592 GB, free: 2.879 MB / 0.6667 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.003028/1.645, allocations: 1.326 MB / 0.8605 GB, free: 2.793 MB / 0.6667 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.005813/1.651, allocations: 1.797 MB / 0.8623 GB, free: 2.781 MB / 0.6667 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003341/1.654, allocations: 1.101 MB / 0.8634 GB, free: 2.773 MB / 0.6667 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.007844/1.662, allocations: 2.052 MB / 0.8654 GB, free: 2.754 MB / 0.6667 GB
Notification: Performance of NFPackage.collectConstants: time 0.001622/1.664, allocations: 130.7 kB / 0.8655 GB, free: 2.754 MB / 0.6667 GB
Notification: Performance of NFScalarize.scalarize: time 0.001565/1.665, allocations: 0.6544 MB / 0.8661 GB, free: 2.75 MB / 0.6667 GB
Notification: Performance of NFVerifyModel.verify: time 0.001506/1.667, allocations: 249.9 kB / 0.8664 GB, free: 2.75 MB / 0.6667 GB
Notification: Performance of NFConvertDAE.convert: time 0.007537/1.674, allocations: 3.392 MB / 0.8697 GB, free: 1.02 MB / 0.6667 GB
Notification: Performance of FrontEnd - DAE generated: time 4.028e-06/1.674, allocations: 0 / 0.8697 GB, free: 1.02 MB / 0.6667 GB
Notification: Performance of FrontEnd: time 3.617e-06/1.674, allocations: 7.984 kB / 0.8697 GB, free: 1.012 MB / 0.6667 GB
Notification: Performance of Transformations before backend: time 0.0001318/1.675, allocations: 0 / 0.8697 GB, free: 1.012 MB / 0.6667 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 382
 * Number of variables: 382
Notification: Performance of Generate backend data structure: time 0.006546/1.681, allocations: 2.272 MB / 0.8719 GB, free: 15.52 MB / 0.6823 GB
Notification: Performance of prepare preOptimizeDAE: time 4.448e-05/1.681, allocations: 8.344 kB / 0.8719 GB, free: 15.52 MB / 0.6823 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.008066/1.689, allocations: 0.8058 MB / 0.8727 GB, free: 15.2 MB / 0.6823 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007055/1.696, allocations: 1.784 MB / 0.8745 GB, free: 14.41 MB / 0.6823 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0008076/1.697, allocations: 194.3 kB / 0.8746 GB, free: 14.38 MB / 0.6823 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0008122/1.698, allocations: 163.9 kB / 0.8748 GB, free: 14.38 MB / 0.6823 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.006482/1.705, allocations: 1.871 MB / 0.8766 GB, free: 13.82 MB / 0.6823 GB
Notification: Performance of preOpt findStateOrder (simulation): time 6.052e-05/1.705, allocations: 0 / 0.8766 GB, free: 13.82 MB / 0.6823 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002593/1.705, allocations: 65.59 kB / 0.8767 GB, free: 13.82 MB / 0.6823 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.844e-05/1.705, allocations: 57.05 kB / 0.8767 GB, free: 13.81 MB / 0.6823 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.005694/1.711, allocations: 1.608 MB / 0.8783 GB, free: 13.54 MB / 0.6823 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 0.01864/1.73, allocations: 8.39 MB / 0.8865 GB, free: 8.184 MB / 0.6823 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.004522/1.734, allocations: 1.799 MB / 0.8883 GB, free: 7.23 MB / 0.6823 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0007126/1.735, allocations: 153.8 kB / 0.8884 GB, free: 7.113 MB / 0.6823 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.002538/1.737, allocations: 0.7006 MB / 0.8891 GB, free: 6.891 MB / 0.6823 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.001351/1.739, allocations: 120.1 kB / 0.8892 GB, free: 6.836 MB / 0.6823 GB
Notification: Performance of pre-optimization done (n=101): time 7.334e-06/1.739, allocations: 3.938 kB / 0.8892 GB, free: 6.832 MB / 0.6823 GB
Notification: Performance of matching and sorting (n=104): time 0.01536/1.754, allocations: 3.734 MB / 0.8929 GB, free: 5.617 MB / 0.6823 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 9.918e-05/1.754, allocations: 143.5 kB / 0.893 GB, free: 5.461 MB / 0.6823 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003267/1.758, allocations: 1.419 MB / 0.8944 GB, free: 5.043 MB / 0.6823 GB
Notification: Performance of collectPreVariables (initialization): time 0.0003813/1.758, allocations: 52.45 kB / 0.8944 GB, free: 5.012 MB / 0.6823 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001332/1.759, allocations: 0.9778 MB / 0.8954 GB, free: 4.578 MB / 0.6823 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0006817/1.76, allocations: 365.3 kB / 0.8957 GB, free: 4.32 MB / 0.6823 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001166/1.76, allocations: 23.84 kB / 0.8958 GB, free: 4.32 MB / 0.6823 GB
Notification: Performance of setup shared object (initialization): time 0.0001736/1.76, allocations: 360 kB / 0.8961 GB, free: 3.996 MB / 0.6823 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.002146/1.763, allocations: 0.5577 MB / 0.8966 GB, free: 3.902 MB / 0.6823 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.002531/1.765, allocations: 0.9221 MB / 0.8975 GB, free: 3.387 MB / 0.6823 GB
Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: vol.dynBal.medium.p = vol.dynBal.p_start (hea.vol.dynBal.p_start = vol.dynBal.p_start)
Notification: Performance of analyzeInitialSystem (initialization): time 0.02403/1.789, allocations: 3.327 MB / 0.9008 GB, free: 2.363 MB / 0.6823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.315e-05/1.789, allocations: 2.531 kB / 0.9008 GB, free: 2.363 MB / 0.6823 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: No system for the symbolic initialization was generated