Running command: translateModel(Buildings.Fluid.HeatExchangers.Examples.DryCoilCounterFlowMassFlow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_6.0.0_Buildings.Fluid.HeatExchangers.Examples.DryCoilCounterFlowMassFlow") Notification: Performance of loadModel(Buildings): time 4.14/4.14, allocations: 431.3 MB / 445.8 MB, free: 5.395 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 4.231e-05/4.227e-05, allocations: 4 kB / 0.5354 GB, free: 14.83 MB / 458.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6296/0.6297, allocations: 98.71 MB / 0.6318 GB, free: 11.91 MB / 0.5105 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Examples.DryCoilCounterFlowMassFlow): time 0.979/1.609, allocations: 208.1 MB / 0.835 GB, free: 3.398 MB / 0.6667 GB Notification: Performance of NFInst.instExpressions: time 0.02969/1.638, allocations: 16.42 MB / 0.8511 GB, free: 3.109 MB / 0.6667 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003746/1.642, allocations: 92.53 kB / 0.8512 GB, free: 3.109 MB / 0.6667 GB Notification: Performance of NFTyping.typeComponents: time 0.004426/1.647, allocations: 1.008 MB / 0.8521 GB, free: 3.098 MB / 0.6667 GB Notification: Performance of NFTyping.typeBindings: time 0.0115/1.658, allocations: 2.72 MB / 0.8548 GB, free: 3.039 MB / 0.6667 GB Notification: Performance of NFTyping.typeClassSections: time 0.008718/1.667, allocations: 1.893 MB / 0.8567 GB, free: 2.949 MB / 0.6667 GB Notification: Performance of NFFlatten.flatten: time 0.01926/1.686, allocations: 6.794 MB / 0.8633 GB, free: 2.91 MB / 0.6667 GB Notification: Performance of NFFlatten.resolveConnections: time 0.007766/1.694, allocations: 3.557 MB / 0.8668 GB, free: 2.586 MB / 0.6667 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01068/1.705, allocations: 3.655 MB / 0.8703 GB, free: 2.57 MB / 0.6667 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00864/1.714, allocations: 2.575 MB / 0.8728 GB, free: 2.133 MB / 0.6667 GB Notification: Performance of NFFlatten.collectFunctions: time 0.009582/1.723, allocations: 2.016 MB / 0.8748 GB, free: 1.762 MB / 0.6667 GB Notification: Performance of NFPackage.collectConstants: time 0.002322/1.726, allocations: 221.9 kB / 0.875 GB, free: 1.762 MB / 0.6667 GB Notification: Performance of NFScalarize.scalarize: time 0.002956/1.729, allocations: 1.297 MB / 0.8763 GB, free: 1.438 MB / 0.6667 GB Notification: Performance of NFVerifyModel.verify: time 0.003896/1.733, allocations: 0.6221 MB / 0.8769 GB, free: 1.438 MB / 0.6667 GB Notification: Performance of NFConvertDAE.convert: time 0.01714/1.75, allocations: 9.587 MB / 0.8863 GB, free: 12.12 MB / 0.6823 GB Notification: Performance of FrontEnd - DAE generated: time 5.109e-06/1.75, allocations: 0 / 0.8863 GB, free: 12.12 MB / 0.6823 GB Notification: Performance of FrontEnd: time 3.347e-06/1.75, allocations: 0 / 0.8863 GB, free: 12.12 MB / 0.6823 GB Notification: Performance of Transformations before backend: time 0.0003406/1.75, allocations: 4 kB / 0.8863 GB, free: 12.12 MB / 0.6823 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1029 * Number of variables: 1029 Notification: Performance of Generate backend data structure: time 0.01993/1.77, allocations: 4.994 MB / 0.8911 GB, free: 9.266 MB / 0.6823 GB Notification: Performance of prepare preOptimizeDAE: time 4.544e-05/1.77, allocations: 8.25 kB / 0.8911 GB, free: 9.266 MB / 0.6823 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01168/1.782, allocations: 1.257 MB / 0.8924 GB, free: 8.738 MB / 0.6823 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0174/1.799, allocations: 5.5 MB / 0.8977 GB, free: 6.988 MB / 0.6823 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0008402/1.8, allocations: 0.7242 MB / 0.8985 GB, free: 6.477 MB / 0.6823 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002105/1.802, allocations: 426.8 kB / 0.8989 GB, free: 6.465 MB / 0.6823 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02032/1.823, allocations: 6.034 MB / 0.9048 GB, free: 3.379 MB / 0.6823 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001647/1.823, allocations: 16.97 kB / 0.9048 GB, free: 3.367 MB / 0.6823 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000795/1.824, allocations: 163.2 kB / 0.9049 GB, free: 3.332 MB / 0.6823 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003414/1.824, allocations: 197.2 kB / 0.9051 GB, free: 3.148 MB / 0.6823 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01812/1.842, allocations: 5.373 MB / 0.9104 GB, free: 15.55 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 0.07572/1.918, allocations: 24.01 MB / 0.9338 GB, free: 12.18 MB / 0.7136 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01222/1.93, allocations: 4.268 MB / 0.938 GB, free: 9.105 MB / 0.7136 GB Notification: Performance of preOpt evalFunc (simulation): time 0.002574/1.933, allocations: 0.8385 MB / 0.9388 GB, free: 8.121 MB / 0.7136 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.009006/1.942, allocations: 2.12 MB / 0.9409 GB, free: 6.586 MB / 0.7136 GB Notification: Performance of pre-optimization done (n=290): time 6.843e-06/1.942, allocations: 3.938 kB / 0.9409 GB, free: 6.582 MB / 0.7136 GB Notification: Performance of matching and sorting (n=290): time 0.01756/1.96, allocations: 5.266 MB / 0.946 GB, free: 2.754 MB / 0.7136 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000281/1.96, allocations: 375.6 kB / 0.9464 GB, free: 2.309 MB / 0.7136 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01104/1.971, allocations: 3.866 MB / 0.9501 GB, free: 15.48 MB / 0.7292 GB Notification: Performance of collectPreVariables (initialization): time 0.0009055/1.972, allocations: 88.2 kB / 0.9502 GB, free: 15.43 MB / 0.7292 GB Notification: Performance of collectInitialEqns (initialization): time 0.003467/1.975, allocations: 2.198 MB / 0.9524 GB, free: 14.16 MB / 0.7292 GB Notification: Performance of collectInitialBindings (initialization): time 0.001963/1.977, allocations: 1.006 MB / 0.9534 GB, free: 13.3 MB / 0.7292 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003534/1.978, allocations: 61.88 kB / 0.9534 GB, free: 13.28 MB / 0.7292 GB Notification: Performance of setup shared object (initialization): time 0.0003521/1.978, allocations: 431.6 kB / 0.9538 GB, free: 12.9 MB / 0.7292 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004827/1.983, allocations: 1.656 MB / 0.9554 GB, free: 11.82 MB / 0.7292 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006227/1.989, allocations: 2.419 MB / 0.9578 GB, free: 9.824 MB / 0.7292 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.005972/1.995, allocations: 2.163 MB / 0.9599 GB, free: 8.438 MB / 0.7292 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.635e-05/1.995, allocations: 0 / 0.9599 GB, free: 8.438 MB / 0.7292 GB Notification: Performance of matching and sorting (n=399) (initialization): time 0.0145/2.01, allocations: 4.606 MB / 0.9644 GB, free: 3.844 MB / 0.7292 GB Notification: Performance of prepare postOptimizeDAE: time 0.00183/2.012, allocations: 4.395 MB / 0.9687 GB, free: 15.18 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.859e-05/2.012, allocations: 8 kB / 0.9687 GB, free: 15.18 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (initialization): time 6.467e-05/2.012, allocations: 28 kB / 0.9687 GB, free: 15.15 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007645/2.02, allocations: 0.8392 MB / 0.9696 GB, free: 14.35 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002091/2.022, allocations: 2.475 MB / 0.972 GB, free: 11.79 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.008538/2.03, allocations: 0.6708 MB / 0.9726 GB, free: 11.12 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008832/2.031, allocations: 127.9 kB / 0.9728 GB, free: 11 MB / 0.7448 GB Notification: Performance of prepare postOptimizeDAE: time 1.66e-05/2.031, allocations: 4 kB / 0.9728 GB, free: 10.99 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 postOpt replaceHomotopyWithSimplified (initialization): time 0.006624/2.038, allocations: 2.053 MB / 0.9748 GB, free: 8.938 MB / 0.7448 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated