Running command: translateModel(Buildings.Fluid.HeatExchangers.Examples.DryCoilCounterFlowPControl,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Fluid.HeatExchangers.Examples.DryCoilCounterFlowPControl")
Notification: Performance of loadModel(Buildings): time 3.825/3.825, allocations: 402 MB / 416.6 MB, free: 10.21 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.286e-05/3.302e-05, allocations: 4 kB / 0.5009 GB, free: 8.262 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2003/0.2004, allocations: 92.69 MB / 0.5915 GB, free: 11.4 MB / 0.4948 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Examples.DryCoilCounterFlowPControl): time 0.86/1.06, allocations: 218.7 MB / 0.8051 GB, free: 3.832 MB / 0.6667 GB
Notification: Performance of NFInst.instExpressions: time 0.04389/1.104, allocations: 20.28 MB / 0.8249 GB, free: 15.5 MB / 0.698 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.003855/1.108, allocations: 119.4 kB / 0.825 GB, free: 15.38 MB / 0.698 GB
Notification: Performance of NFTyping.typeComponents: time 0.005459/1.114, allocations: 1.162 MB / 0.8261 GB, free: 14.21 MB / 0.698 GB
Notification: Performance of NFTyping.typeBindings: time 0.01301/1.127, allocations: 3.08 MB / 0.8291 GB, free: 11.12 MB / 0.698 GB
Notification: Performance of NFTyping.typeClassSections: time 0.01243/1.139, allocations: 2.846 MB / 0.8319 GB, free: 8.273 MB / 0.698 GB
Notification: Performance of NFFlatten.flatten: time 0.02185/1.161, allocations: 7.241 MB / 0.839 GB, free: 1.023 MB / 0.698 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.008895/1.17, allocations: 3.783 MB / 0.8427 GB, free: 13.22 MB / 0.7136 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.01232/1.183, allocations: 3.962 MB / 0.8465 GB, free: 9.246 MB / 0.7136 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.007931/1.191, allocations: 2.827 MB / 0.8493 GB, free: 6.41 MB / 0.7136 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.01166/1.202, allocations: 2.321 MB / 0.8516 GB, free: 4.086 MB / 0.7136 GB
Notification: Performance of NFPackage.collectConstants: time 0.002865/1.205, allocations: 252 kB / 0.8518 GB, free: 3.84 MB / 0.7136 GB
Notification: Performance of NFScalarize.scalarize: time 0.003707/1.209, allocations: 1.425 MB / 0.8532 GB, free: 2.41 MB / 0.7136 GB
Notification: Performance of NFVerifyModel.verify: time 0.004204/1.213, allocations: 0.6914 MB / 0.8539 GB, free: 1.719 MB / 0.7136 GB
Notification: Performance of NFConvertDAE.convert: time 0.01983/1.233, allocations: 9.963 MB / 0.8636 GB, free: 7.734 MB / 0.7292 GB
Notification: Performance of FrontEnd - DAE generated: time 5.11e-06/1.233, allocations: 0 / 0.8636 GB, free: 7.734 MB / 0.7292 GB
Notification: Performance of FrontEnd: time 3.296e-06/1.233, allocations: 0 / 0.8636 GB, free: 7.734 MB / 0.7292 GB
Notification: Performance of Transformations before backend: time 0.0003818/1.234, allocations: 0 / 0.8636 GB, free: 7.734 MB / 0.7292 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 1139
 * Number of variables: 1139
Notification: Performance of Generate backend data structure: time 0.02183/1.255, allocations: 5.469 MB / 0.8689 GB, free: 2.18 MB / 0.7292 GB
Notification: Performance of prepare preOptimizeDAE: time 6.524e-05/1.255, allocations: 16.02 kB / 0.869 GB, free: 2.164 MB / 0.7292 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01203/1.268, allocations: 1.303 MB / 0.8702 GB, free: 0.8516 MB / 0.7292 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.01975/1.287, allocations: 5.7 MB / 0.8758 GB, free: 11.07 MB / 0.7448 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001031/1.288, allocations: 0.7587 MB / 0.8765 GB, free: 10.21 MB / 0.7448 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002208/1.291, allocations: 479.8 kB / 0.877 GB, free: 9.738 MB / 0.7448 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02947/1.32, allocations: 7.155 MB / 0.884 GB, free: 2.355 MB / 0.7448 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0002308/1.32, allocations: 11.94 kB / 0.884 GB, free: 2.344 MB / 0.7448 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001484/1.322, allocations: 188 kB / 0.8842 GB, free: 2.16 MB / 0.7448 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003761/1.322, allocations: 216.5 kB / 0.8844 GB, free: 1.945 MB / 0.7448 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.5595/1.882, allocations: 6.281 MB / 0.8905 GB, free: 248.1 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 0.06145/1.943, allocations: 25.47 MB / 0.9154 GB, free: 231 MB / 0.7448 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01785/1.961, allocations: 4.974 MB / 0.9202 GB, free: 228.9 MB / 0.7448 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.001275/1.963, allocations: 436.6 kB / 0.9207 GB, free: 228.6 MB / 0.7448 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01311/1.976, allocations: 2.904 MB / 0.9235 GB, free: 227.5 MB / 0.7448 GB
Notification: Performance of pre-optimization done (n=317): time 1.142e-05/1.976, allocations: 1.094 kB / 0.9235 GB, free: 227.5 MB / 0.7448 GB
Notification: Performance of matching and sorting (n=317): time 0.03279/2.009, allocations: 6.929 MB / 0.9303 GB, free: 224.1 MB / 0.7448 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002091/2.009, allocations: 0.7021 MB / 0.9309 GB, free: 223.3 MB / 0.7448 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0108/2.02, allocations: 4.049 MB / 0.9349 GB, free: 221.2 MB / 0.7448 GB
Notification: Performance of collectPreVariables (initialization): time 0.001033/2.021, allocations: 96.88 kB / 0.935 GB, free: 221.2 MB / 0.7448 GB
Notification: Performance of collectInitialEqns (initialization): time 0.003386/2.024, allocations: 2.462 MB / 0.9374 GB, free: 219.1 MB / 0.7448 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001894/2.026, allocations: 1.11 MB / 0.9385 GB, free: 218.1 MB / 0.7448 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004019/2.027, allocations: 67.7 kB / 0.9385 GB, free: 218.1 MB / 0.7448 GB
Notification: Performance of setup shared object (initialization): time 0.0002776/2.027, allocations: 459.7 kB / 0.939 GB, free: 217.6 MB / 0.7448 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006191/2.033, allocations: 2.007 MB / 0.9409 GB, free: 216.6 MB / 0.7448 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007146/2.04, allocations: 2.998 MB / 0.9439 GB, free: 214.5 MB / 0.7448 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.006972/2.047, allocations: 2.53 MB / 0.9463 GB, free: 213.1 MB / 0.7448 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.616e-05/2.047, allocations: 6.484 kB / 0.9463 GB, free: 213.1 MB / 0.7448 GB
Notification: Performance of matching and sorting (n=452) (initialization): time 0.02068/2.068, allocations: 5.664 MB / 0.9519 GB, free: 210.3 MB / 0.7448 GB
Notification: Performance of prepare postOptimizeDAE: time 0.001234/2.069, allocations: 6.23 MB / 0.958 GB, free: 203.6 MB / 0.7448 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.292e-05/2.069, allocations: 14.19 kB / 0.958 GB, free: 203.6 MB / 0.7448 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0007756/2.07, allocations: 162.1 kB / 0.9581 GB, free: 203.6 MB / 0.7448 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.04798/2.118, allocations: 3.206 MB / 0.9613 GB, free: 201.2 MB / 0.7448 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01581/2.134, allocations: 8.295 MB / 0.9694 GB, free: 192.6 MB / 0.7448 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01344/2.148, allocations: 0.8022 MB / 0.9701 GB, free: 191.8 MB / 0.7448 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009155/2.149, allocations: 144 kB / 0.9703 GB, free: 191.7 MB / 0.7448 GB
Notification: Performance of prepare postOptimizeDAE: time 1.833e-05/2.149, allocations: 5.562 kB / 0.9703 GB, free: 191.7 MB / 0.7448 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.
Notification: Performance of <failed> postOpt replaceHomotopyWithSimplified (initialization): time 0.00795/2.157, allocations: 2.202 MB / 0.9724 GB, free: 189.5 MB / 0.7448 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated