Running command: translateModel(Buildings.Fluid.HeatExchangers.Examples.DryCoilCounterFlowMassFlow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Fluid.HeatExchangers.Examples.DryCoilCounterFlowMassFlow")
Notification: Performance of loadModel(Buildings): time 4.391/4.391, allocations: 458.9 MB / 473.5 MB, free: 11.88 MB / 378.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.559e-05/3.566e-05, allocations: 8.984 kB / 0.5697 GB, free: 9.809 MB / 458.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2844/0.2844, allocations: 106.2 MB / 0.6734 GB, free: 2.637 MB / 0.5417 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Examples.DryCoilCounterFlowMassFlow): time 0.9678/1.252, allocations: 208.8 MB / 0.8774 GB, free: 2.535 MB / 0.6667 GB
Notification: Performance of NFInst.instExpressions: time 0.0353/1.288, allocations: 16.52 MB / 0.8935 GB, free: 14.48 MB / 0.6823 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.004479/1.292, allocations: 95.97 kB / 0.8936 GB, free: 14.48 MB / 0.6823 GB
Notification: Performance of NFTyping.typeComponents: time 0.005275/1.298, allocations: 1.012 MB / 0.8946 GB, free: 13.99 MB / 0.6823 GB
Notification: Performance of NFTyping.typeBindings: time 0.01318/1.311, allocations: 2.733 MB / 0.8973 GB, free: 11.92 MB / 0.6823 GB
Notification: Performance of NFTyping.typeClassSections: time 0.009716/1.321, allocations: 1.959 MB / 0.8992 GB, free: 10.5 MB / 0.6823 GB
Notification: Performance of NFFlatten.flatten: time 0.02066/1.341, allocations: 6.815 MB / 0.9058 GB, free: 5.906 MB / 0.6823 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.008578/1.35, allocations: 3.569 MB / 0.9093 GB, free: 3.938 MB / 0.6823 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.01177/1.362, allocations: 3.669 MB / 0.9129 GB, free: 2.289 MB / 0.6823 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.007542/1.369, allocations: 2.581 MB / 0.9154 GB, free: 1.336 MB / 0.6823 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.01028/1.38, allocations: 2.019 MB / 0.9174 GB, free: 0.5234 MB / 0.6823 GB
Notification: Performance of NFPackage.collectConstants: time 0.002437/1.382, allocations: 224.5 kB / 0.9176 GB, free: 0.5234 MB / 0.6823 GB
Notification: Performance of NFScalarize.scalarize: time 0.003372/1.386, allocations: 1.309 MB / 0.9189 GB, free: 15.81 MB / 0.698 GB
Notification: Performance of NFVerifyModel.verify: time 0.003934/1.389, allocations: 0.6224 MB / 0.9195 GB, free: 15.69 MB / 0.698 GB
Notification: Performance of NFConvertDAE.convert: time 0.01863/1.408, allocations: 9.628 MB / 0.9289 GB, free: 6.035 MB / 0.698 GB
Notification: Performance of FrontEnd - DAE generated: time 4.599e-06/1.408, allocations: 0 / 0.9289 GB, free: 6.035 MB / 0.698 GB
Notification: Performance of FrontEnd: time 3.326e-06/1.408, allocations: 0 / 0.9289 GB, free: 6.035 MB / 0.698 GB
Notification: Performance of Transformations before backend: time 0.0003624/1.409, allocations: 0 / 0.9289 GB, free: 6.035 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: 1029
 * Number of variables: 1029
Notification: Performance of Generate backend data structure: time 0.02/1.429, allocations: 5.001 MB / 0.9338 GB, free: 0.957 MB / 0.698 GB
Notification: Performance of prepare preOptimizeDAE: time 5.147e-05/1.429, allocations: 8.031 kB / 0.9338 GB, free: 0.9492 MB / 0.698 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01174/1.44, allocations: 1.257 MB / 0.935 GB, free: 15.68 MB / 0.7136 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.01941/1.46, allocations: 5.463 MB / 0.9403 GB, free: 10.16 MB / 0.7136 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0009508/1.461, allocations: 0.7262 MB / 0.9411 GB, free: 9.336 MB / 0.7136 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002093/1.463, allocations: 423.9 kB / 0.9415 GB, free: 8.922 MB / 0.7136 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02275/1.486, allocations: 6.055 MB / 0.9474 GB, free: 2.734 MB / 0.7136 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0002148/1.486, allocations: 19.84 kB / 0.9474 GB, free: 2.715 MB / 0.7136 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001424/1.488, allocations: 171.9 kB / 0.9476 GB, free: 2.547 MB / 0.7136 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003504/1.488, allocations: 191.8 kB / 0.9477 GB, free: 2.359 MB / 0.7136 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01896/1.507, allocations: 5.386 MB / 0.953 GB, free: 12.97 MB / 0.7292 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 0.05913/1.566, allocations: 24.06 MB / 0.9765 GB, free: 3.445 MB / 0.7448 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01047/1.577, allocations: 4.306 MB / 0.9807 GB, free: 14.99 MB / 0.7605 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.001769/1.578, allocations: 0.836 MB / 0.9815 GB, free: 13.98 MB / 0.7605 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.006445/1.585, allocations: 2.164 MB / 0.9836 GB, free: 11.76 MB / 0.7605 GB
Notification: Performance of pre-optimization done (n=292): time 7.574e-06/1.585, allocations: 0 / 0.9836 GB, free: 11.76 MB / 0.7605 GB
Notification: Performance of matching and sorting (n=292): time 0.01692/1.602, allocations: 5.387 MB / 0.9889 GB, free: 6.273 MB / 0.7605 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002467/1.602, allocations: 372.4 kB / 0.9892 GB, free: 5.828 MB / 0.7605 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01156/1.614, allocations: 3.871 MB / 0.993 GB, free: 1.941 MB / 0.7605 GB
Notification: Performance of collectPreVariables (initialization): time 0.0009517/1.615, allocations: 89.83 kB / 0.9931 GB, free: 1.848 MB / 0.7605 GB
Notification: Performance of collectInitialEqns (initialization): time 0.003976/1.619, allocations: 2.163 MB / 0.9952 GB, free: 15.67 MB / 0.7761 GB
Notification: Performance of collectInitialBindings (initialization): time 0.002134/1.621, allocations: 1.005 MB / 0.9962 GB, free: 14.65 MB / 0.7761 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003859/1.621, allocations: 63.98 kB / 0.9963 GB, free: 14.59 MB / 0.7761 GB
Notification: Performance of setup shared object (initialization): time 0.0004367/1.622, allocations: 432.5 kB / 0.9967 GB, free: 14.16 MB / 0.7761 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005178/1.627, allocations: 1.673 MB / 0.9983 GB, free: 12.48 MB / 0.7761 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006509/1.634, allocations: 2.432 MB / 1.001 GB, free: 9.793 MB / 0.7761 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.006553/1.64, allocations: 2.165 MB / 1.003 GB, free: 7.598 MB / 0.7761 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.712e-05/1.64, allocations: 7.953 kB / 1.003 GB, free: 7.59 MB / 0.7761 GB
Notification: Performance of matching and sorting (n=399) (initialization): time 0.01629/1.657, allocations: 4.68 MB / 1.007 GB, free: 2.859 MB / 0.7761 GB
Notification: Performance of prepare postOptimizeDAE: time 0.002233/1.659, allocations: 4.373 MB / 1.012 GB, free: 14.21 MB / 0.7917 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.59e-05/1.659, allocations: 12 kB / 1.012 GB, free: 14.2 MB / 0.7917 GB
Notification: Performance of postOpt tearingSystem (initialization): time 6.925e-05/1.659, allocations: 27.94 kB / 1.012 GB, free: 14.17 MB / 0.7917 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007993/1.667, allocations: 0.8385 MB / 1.013 GB, free: 13.33 MB / 0.7917 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002345/1.67, allocations: 2.477 MB / 1.015 GB, free: 10.76 MB / 0.7917 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.008732/1.678, allocations: 0.6741 MB / 1.016 GB, free: 10.08 MB / 0.7917 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009611/1.679, allocations: 124 kB / 1.016 GB, free: 9.961 MB / 0.7917 GB
Notification: Performance of prepare postOptimizeDAE: time 1.886e-05/1.679, allocations: 4 kB / 1.016 GB, free: 9.957 MB / 0.7917 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 0.007378/1.687, allocations: 2.101 MB / 1.018 GB, free: 7.828 MB / 0.7917 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated