Running command: translateModel(Buildings.Fluid.HeatExchangers.Examples.AirHeater_u,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Fluid.HeatExchangers.Examples.AirHeater_u")
Notification: Performance of loadModel(Buildings): time 3.807/3.807, allocations: 402 MB / 416.6 MB, free: 10.11 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 4.203e-05/4.231e-05, allocations: 7.938 kB / 0.501 GB, free: 8.234 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2083/0.2084, allocations: 92.68 MB / 0.5915 GB, free: 11.38 MB / 0.4948 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Examples.AirHeater_u): time 0.8474/1.056, allocations: 205.2 MB / 0.7918 GB, free: 1.512 MB / 0.6511 GB
Notification: Performance of NFInst.instExpressions: time 0.03961/1.096, allocations: 17.14 MB / 0.8086 GB, free: 344 kB / 0.6667 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.003888/1.099, allocations: 107.5 kB / 0.8087 GB, free: 236 kB / 0.6667 GB
Notification: Performance of NFTyping.typeComponents: time 0.005689/1.105, allocations: 1.178 MB / 0.8098 GB, free: 15.05 MB / 0.6823 GB
Notification: Performance of NFTyping.typeBindings: time 0.01452/1.12, allocations: 3.38 MB / 0.8131 GB, free: 11.66 MB / 0.6823 GB
Notification: Performance of NFTyping.typeClassSections: time 0.01211/1.132, allocations: 2.791 MB / 0.8158 GB, free: 8.863 MB / 0.6823 GB
Notification: Performance of NFFlatten.flatten: time 0.008993/1.141, allocations: 2.851 MB / 0.8186 GB, free: 6.004 MB / 0.6823 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.003328/1.144, allocations: 1.343 MB / 0.8199 GB, free: 4.652 MB / 0.6823 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.006456/1.151, allocations: 1.819 MB / 0.8217 GB, free: 2.828 MB / 0.6823 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003515/1.154, allocations: 1.145 MB / 0.8228 GB, free: 1.68 MB / 0.6823 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.007799/1.162, allocations: 1.958 MB / 0.8247 GB, free: 15.72 MB / 0.698 GB
Notification: Performance of NFPackage.collectConstants: time 0.001515/1.164, allocations: 128 kB / 0.8249 GB, free: 15.59 MB / 0.698 GB
Notification: Performance of NFScalarize.scalarize: time 0.001762/1.166, allocations: 0.662 MB / 0.8255 GB, free: 14.93 MB / 0.698 GB
Notification: Performance of NFVerifyModel.verify: time 0.00145/1.167, allocations: 256 kB / 0.8257 GB, free: 14.68 MB / 0.698 GB
Notification: Performance of NFConvertDAE.convert: time 0.008709/1.176, allocations: 3.381 MB / 0.829 GB, free: 11.29 MB / 0.698 GB
Notification: Performance of FrontEnd - DAE generated: time 4.589e-06/1.176, allocations: 0 / 0.829 GB, free: 11.29 MB / 0.698 GB
Notification: Performance of FrontEnd: time 3.727e-06/1.176, allocations: 0 / 0.829 GB, free: 11.29 MB / 0.698 GB
Notification: Performance of Transformations before backend: time 0.0001412/1.176, allocations: 4 kB / 0.829 GB, free: 11.29 MB / 0.698 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 395
 * Number of variables: 395
Notification: Performance of Generate backend data structure: time 0.006957/1.183, allocations: 2.281 MB / 0.8313 GB, free: 8.938 MB / 0.698 GB
Notification: Performance of prepare preOptimizeDAE: time 5.358e-05/1.183, allocations: 8.031 kB / 0.8313 GB, free: 8.93 MB / 0.698 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.008056/1.191, allocations: 0.8085 MB / 0.8321 GB, free: 8.117 MB / 0.698 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006047/1.197, allocations: 1.784 MB / 0.8338 GB, free: 6.285 MB / 0.698 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007631/1.198, allocations: 195 kB / 0.834 GB, free: 6.094 MB / 0.698 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.000562/1.199, allocations: 168 kB / 0.8342 GB, free: 5.93 MB / 0.698 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.007069/1.206, allocations: 1.922 MB / 0.836 GB, free: 3.945 MB / 0.698 GB
Notification: Performance of preOpt findStateOrder (simulation): time 6.242e-05/1.206, allocations: 7.938 kB / 0.836 GB, free: 3.938 MB / 0.698 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002884/1.206, allocations: 67.98 kB / 0.8361 GB, free: 3.871 MB / 0.698 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001023/1.206, allocations: 59.03 kB / 0.8362 GB, free: 3.812 MB / 0.698 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.007005/1.213, allocations: 1.663 MB / 0.8378 GB, free: 2.145 MB / 0.698 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 0.01982/1.233, allocations: 8.473 MB / 0.8461 GB, free: 9.027 MB / 0.7136 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.005256/1.239, allocations: 1.801 MB / 0.8478 GB, free: 7.078 MB / 0.7136 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0007269/1.239, allocations: 155 kB / 0.848 GB, free: 6.91 MB / 0.7136 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.00342/1.243, allocations: 0.7733 MB / 0.8487 GB, free: 6.109 MB / 0.7136 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.001617/1.244, allocations: 123.1 kB / 0.8488 GB, free: 5.988 MB / 0.7136 GB
Notification: Performance of pre-optimization done (n=98): time 7.705e-06/1.244, allocations: 0 / 0.8488 GB, free: 5.988 MB / 0.7136 GB
Notification: Performance of matching and sorting (n=101): time 0.01693/1.261, allocations: 4.012 MB / 0.8528 GB, free: 1.891 MB / 0.7136 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.000135/1.262, allocations: 244.3 kB / 0.853 GB, free: 1.594 MB / 0.7136 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003093/1.265, allocations: 1.382 MB / 0.8543 GB, free: 180 kB / 0.7136 GB
Notification: Performance of collectPreVariables (initialization): time 0.0003327/1.265, allocations: 53.7 kB / 0.8544 GB, free: 120 kB / 0.7136 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001247/1.266, allocations: 1.006 MB / 0.8554 GB, free: 15.1 MB / 0.7292 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0005538/1.267, allocations: 354.9 kB / 0.8557 GB, free: 14.75 MB / 0.7292 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001182/1.267, allocations: 28 kB / 0.8557 GB, free: 14.72 MB / 0.7292 GB
Notification: Performance of setup shared object (initialization): time 0.0001738/1.267, allocations: 357.9 kB / 0.8561 GB, free: 14.36 MB / 0.7292 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.002285/1.27, allocations: 0.5686 MB / 0.8566 GB, free: 13.79 MB / 0.7292 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.00262/1.272, allocations: 0.9696 MB / 0.8576 GB, free: 12.66 MB / 0.7292 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 0.02473/1.297, allocations: 3.322 MB / 0.8608 GB, free: 9.309 MB / 0.7292 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.649e-05/1.297, allocations: 4 kB / 0.8608 GB, free: 9.305 MB / 0.7292 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