Running command: translateModel(Buildings.Fluid.HeatExchangers.Examples.WetCoilCounterFlowPControl,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Fluid.HeatExchangers.Examples.WetCoilCounterFlowPControl")
Notification: Performance of loadModel(Buildings): time 4.383/4.383, allocations: 458.9 MB / 473.4 MB, free: 11.81 MB / 378.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.461e-05/3.437e-05, allocations: 9.359 kB / 0.5697 GB, free: 9.832 MB / 458.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2363/0.2364, allocations: 106.2 MB / 0.6734 GB, free: 2.625 MB / 0.5417 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Examples.WetCoilCounterFlowPControl): time 1.046/1.283, allocations: 221.8 MB / 0.89 GB, free: 14.8 MB / 0.6823 GB
Notification: Performance of NFInst.instExpressions: time 0.04659/1.329, allocations: 21.78 MB / 0.9113 GB, free: 2.098 MB / 0.6823 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.004781/1.334, allocations: 122.4 kB / 0.9114 GB, free: 2.098 MB / 0.6823 GB
Notification: Performance of NFTyping.typeComponents: time 0.005938/1.34, allocations: 1.216 MB / 0.9126 GB, free: 1.25 MB / 0.6823 GB
Notification: Performance of NFTyping.typeBindings: time 0.01561/1.356, allocations: 3.414 MB / 0.9159 GB, free: 14.32 MB / 0.698 GB
Notification: Performance of NFTyping.typeClassSections: time 0.01438/1.37, allocations: 3.285 MB / 0.9191 GB, free: 11.96 MB / 0.698 GB
Notification: Performance of NFFlatten.flatten: time 0.02313/1.394, allocations: 7.961 MB / 0.9269 GB, free: 6.281 MB / 0.698 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.009966/1.404, allocations: 4.416 MB / 0.9312 GB, free: 3.613 MB / 0.698 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0136/1.417, allocations: 4.133 MB / 0.9353 GB, free: 15.47 MB / 0.7136 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.008222/1.425, allocations: 2.963 MB / 0.9382 GB, free: 12.5 MB / 0.7136 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.01203/1.438, allocations: 2.742 MB / 0.9408 GB, free: 9.75 MB / 0.7136 GB
Notification: Performance of NFPackage.collectConstants: time 0.002817/1.44, allocations: 264 kB / 0.9411 GB, free: 9.492 MB / 0.7136 GB
Notification: Performance of NFScalarize.scalarize: time 0.003632/1.444, allocations: 1.471 MB / 0.9425 GB, free: 8.016 MB / 0.7136 GB
Notification: Performance of NFVerifyModel.verify: time 0.004162/1.448, allocations: 0.707 MB / 0.9432 GB, free: 7.309 MB / 0.7136 GB
Notification: Performance of NFConvertDAE.convert: time 0.02106/1.469, allocations: 11.36 MB / 0.9543 GB, free: 11.93 MB / 0.7292 GB
Notification: Performance of FrontEnd - DAE generated: time 4.569e-06/1.469, allocations: 0 / 0.9543 GB, free: 11.93 MB / 0.7292 GB
Notification: Performance of FrontEnd: time 2.765e-06/1.469, allocations: 0 / 0.9543 GB, free: 11.93 MB / 0.7292 GB
Notification: Performance of Transformations before backend: time 0.0004154/1.47, allocations: 0 / 0.9543 GB, free: 11.93 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: 1252
 * Number of variables: 1252
Notification: Performance of Generate backend data structure: time 0.0224/1.492, allocations: 5.924 MB / 0.9601 GB, free: 5.922 MB / 0.7292 GB
Notification: Performance of prepare preOptimizeDAE: time 4.909e-05/1.492, allocations: 8.031 kB / 0.9601 GB, free: 5.914 MB / 0.7292 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01365/1.506, allocations: 1.533 MB / 0.9616 GB, free: 4.371 MB / 0.7292 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.02012/1.526, allocations: 6.143 MB / 0.9676 GB, free: 14.15 MB / 0.7448 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001132/1.527, allocations: 0.8026 MB / 0.9684 GB, free: 13.25 MB / 0.7448 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002785/1.53, allocations: 0.5076 MB / 0.9689 GB, free: 12.74 MB / 0.7448 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02314/1.553, allocations: 7.23 MB / 0.9759 GB, free: 5.348 MB / 0.7448 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.000161/1.554, allocations: 15.94 kB / 0.976 GB, free: 5.332 MB / 0.7448 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000938/1.555, allocations: 204 kB / 0.9762 GB, free: 5.133 MB / 0.7448 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003581/1.555, allocations: 225.5 kB / 0.9764 GB, free: 4.91 MB / 0.7448 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02089/1.576, allocations: 6.396 MB / 0.9826 GB, free: 14.5 MB / 0.7605 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 0.06577/1.642, allocations: 28.08 MB / 1.01 GB, free: 0.8047 MB / 0.7761 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01169/1.653, allocations: 5.026 MB / 1.015 GB, free: 11.6 MB / 0.7917 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.001604/1.655, allocations: 0.7611 MB / 1.016 GB, free: 10.69 MB / 0.7917 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.007325/1.662, allocations: 2.459 MB / 1.018 GB, free: 8.184 MB / 0.7917 GB
Notification: Performance of pre-optimization done (n=339): time 7.394e-06/1.662, allocations: 4 kB / 1.018 GB, free: 8.18 MB / 0.7917 GB
Notification: Performance of matching and sorting (n=339): time 0.02265/1.685, allocations: 6.599 MB / 1.025 GB, free: 1.492 MB / 0.7917 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002674/1.685, allocations: 440.1 kB / 1.025 GB, free: 0.9688 MB / 0.7917 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01307/1.699, allocations: 4.54 MB / 1.029 GB, free: 12.43 MB / 0.8073 GB
Notification: Performance of collectPreVariables (initialization): time 0.001127/1.7, allocations: 101.7 kB / 1.029 GB, free: 12.33 MB / 0.8073 GB
Notification: Performance of collectInitialEqns (initialization): time 0.004727/1.704, allocations: 2.655 MB / 1.032 GB, free: 9.648 MB / 0.8073 GB
Notification: Performance of collectInitialBindings (initialization): time 0.002407/1.707, allocations: 1.174 MB / 1.033 GB, free: 8.457 MB / 0.8073 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004452/1.707, allocations: 72 kB / 1.033 GB, free: 8.387 MB / 0.8073 GB
Notification: Performance of setup shared object (initialization): time 0.0004306/1.708, allocations: 457.7 kB / 1.034 GB, free: 7.934 MB / 0.8073 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006161/1.714, allocations: 1.967 MB / 1.036 GB, free: 5.965 MB / 0.8073 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007632/1.722, allocations: 2.873 MB / 1.038 GB, free: 2.789 MB / 0.8073 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007497/1.729, allocations: 2.51 MB / 1.041 GB, free: 268 kB / 0.8073 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.75e-05/1.729, allocations: 4 kB / 1.041 GB, free: 264 kB / 0.8073 GB
Notification: Performance of matching and sorting (n=466) (initialization): time 0.01837/1.748, allocations: 5.602 MB / 1.046 GB, free: 10.62 MB / 0.823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.002312/1.75, allocations: 5.456 MB / 1.052 GB, free: 4.621 MB / 0.823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.368e-05/1.75, allocations: 12 kB / 1.052 GB, free: 4.609 MB / 0.823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0008742/1.751, allocations: 204.7 kB / 1.052 GB, free: 4.406 MB / 0.823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008637/1.76, allocations: 0.9595 MB / 1.053 GB, free: 3.445 MB / 0.823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003374/1.763, allocations: 3.322 MB / 1.056 GB, free: 4 kB / 0.823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.009882/1.773, allocations: 0.7835 MB / 1.057 GB, free: 15.22 MB / 0.8386 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000951/1.774, allocations: 140 kB / 1.057 GB, free: 15.08 MB / 0.8386 GB
Notification: Performance of prepare postOptimizeDAE: time 1.457e-05/1.774, allocations: 8 kB / 1.057 GB, free: 15.07 MB / 0.8386 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 0.00785/1.782, allocations: 2.38 MB / 1.059 GB, free: 12.68 MB / 0.8386 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated