Running command: translateModel(Buildings.Fluid.HeatExchangers.Examples.DryCoilCounterFlowMassFlow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Fluid.HeatExchangers.Examples.DryCoilCounterFlowMassFlow") Notification: Performance of loadModel(Buildings): time 3.737/3.737, allocations: 402 MB / 416.6 MB, free: 10.11 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 3.258e-05/3.286e-05, allocations: 4 kB / 0.501 GB, free: 8.227 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.204/0.204, allocations: 92.68 MB / 0.5915 GB, free: 11.37 MB / 0.4948 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Examples.DryCoilCounterFlowMassFlow): time 0.8469/1.051, allocations: 207.9 MB / 0.7945 GB, free: 14.55 MB / 0.6667 GB Notification: Performance of NFInst.instExpressions: time 0.03427/1.085, allocations: 15.86 MB / 0.81 GB, free: 14.65 MB / 0.6823 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003313/1.089, allocations: 91.56 kB / 0.81 GB, free: 14.56 MB / 0.6823 GB Notification: Performance of NFTyping.typeComponents: time 0.004553/1.093, allocations: 0.9911 MB / 0.811 GB, free: 13.57 MB / 0.6823 GB Notification: Performance of NFTyping.typeBindings: time 0.0109/1.104, allocations: 2.555 MB / 0.8135 GB, free: 11 MB / 0.6823 GB Notification: Performance of NFTyping.typeClassSections: time 0.007917/1.112, allocations: 1.668 MB / 0.8151 GB, free: 9.332 MB / 0.6823 GB Notification: Performance of NFFlatten.flatten: time 0.02015/1.132, allocations: 6.741 MB / 0.8217 GB, free: 2.582 MB / 0.6823 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008442/1.141, allocations: 3.556 MB / 0.8252 GB, free: 15 MB / 0.698 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0113/1.152, allocations: 3.67 MB / 0.8288 GB, free: 11.32 MB / 0.698 GB Notification: Performance of NFSimplifyModel.simplify: time 0.007224/1.159, allocations: 2.636 MB / 0.8313 GB, free: 8.68 MB / 0.698 GB Notification: Performance of NFFlatten.collectFunctions: time 0.009359/1.169, allocations: 1.806 MB / 0.8331 GB, free: 6.871 MB / 0.698 GB Notification: Performance of NFPackage.collectConstants: time 0.002544/1.171, allocations: 224 kB / 0.8333 GB, free: 6.652 MB / 0.698 GB Notification: Performance of NFScalarize.scalarize: time 0.003478/1.175, allocations: 1.355 MB / 0.8347 GB, free: 5.293 MB / 0.698 GB Notification: Performance of NFVerifyModel.verify: time 0.003982/1.179, allocations: 0.6523 MB / 0.8353 GB, free: 4.641 MB / 0.698 GB Notification: Performance of NFConvertDAE.convert: time 0.01777/1.197, allocations: 9.39 MB / 0.8445 GB, free: 11.23 MB / 0.7136 GB Notification: Performance of FrontEnd - DAE generated: time 6.021e-06/1.197, allocations: 0 / 0.8445 GB, free: 11.23 MB / 0.7136 GB Notification: Performance of FrontEnd: time 4.138e-06/1.197, allocations: 0 / 0.8445 GB, free: 11.23 MB / 0.7136 GB Notification: Performance of Transformations before backend: time 0.0004472/1.197, allocations: 0 / 0.8445 GB, free: 11.23 MB / 0.7136 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1083 * Number of variables: 1083 Notification: Performance of Generate backend data structure: time 0.02067/1.218, allocations: 5.079 MB / 0.8494 GB, free: 6.07 MB / 0.7136 GB Notification: Performance of prepare preOptimizeDAE: time 6.112e-05/1.218, allocations: 8.031 kB / 0.8494 GB, free: 6.062 MB / 0.7136 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01105/1.229, allocations: 1.218 MB / 0.8506 GB, free: 4.836 MB / 0.7136 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01775/1.247, allocations: 5.408 MB / 0.8559 GB, free: 15.36 MB / 0.7292 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0009392/1.248, allocations: 0.7385 MB / 0.8566 GB, free: 14.53 MB / 0.7292 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001969/1.25, allocations: 447.8 kB / 0.857 GB, free: 14.09 MB / 0.7292 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02517/1.275, allocations: 6.747 MB / 0.8636 GB, free: 7.145 MB / 0.7292 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.000173/1.275, allocations: 7.938 kB / 0.8636 GB, free: 7.137 MB / 0.7292 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0009285/1.276, allocations: 180 kB / 0.8638 GB, free: 6.961 MB / 0.7292 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003529/1.277, allocations: 211.9 kB / 0.864 GB, free: 6.75 MB / 0.7292 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02209/1.299, allocations: 5.964 MB / 0.8698 GB, free: 0.7617 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 0.5677/1.867, allocations: 24.13 MB / 0.8934 GB, free: 239.9 MB / 0.7448 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01464/1.881, allocations: 4.628 MB / 0.8979 GB, free: 238.6 MB / 0.7448 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001402/1.883, allocations: 0.5118 MB / 0.8984 GB, free: 238.1 MB / 0.7448 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01102/1.894, allocations: 2.749 MB / 0.9011 GB, free: 237.1 MB / 0.7448 GB Notification: Performance of pre-optimization done (n=308): time 1.045e-05/1.894, allocations: 0 / 0.9011 GB, free: 237.1 MB / 0.7448 GB Notification: Performance of matching and sorting (n=308): time 0.02712/1.921, allocations: 6.31 MB / 0.9073 GB, free: 235 MB / 0.7448 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002269/1.921, allocations: 0.6501 MB / 0.9079 GB, free: 234.2 MB / 0.7448 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01144/1.933, allocations: 3.733 MB / 0.9115 GB, free: 233 MB / 0.7448 GB Notification: Performance of collectPreVariables (initialization): time 0.001001/1.934, allocations: 96.58 kB / 0.9116 GB, free: 232.9 MB / 0.7448 GB Notification: Performance of collectInitialEqns (initialization): time 0.003464/1.937, allocations: 2.219 MB / 0.9138 GB, free: 231.4 MB / 0.7448 GB Notification: Performance of collectInitialBindings (initialization): time 0.001996/1.939, allocations: 1.063 MB / 0.9148 GB, free: 230.6 MB / 0.7448 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003992/1.94, allocations: 66.84 kB / 0.9149 GB, free: 230.5 MB / 0.7448 GB Notification: Performance of setup shared object (initialization): time 0.0003517/1.94, allocations: 443.3 kB / 0.9153 GB, free: 230.2 MB / 0.7448 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006169/1.946, allocations: 1.895 MB / 0.9172 GB, free: 229.5 MB / 0.7448 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007638/1.954, allocations: 2.774 MB / 0.9199 GB, free: 228 MB / 0.7448 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.006988/1.961, allocations: 2.419 MB / 0.9223 GB, free: 227 MB / 0.7448 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.065e-05/1.961, allocations: 7.469 kB / 0.9223 GB, free: 227 MB / 0.7448 GB Notification: Performance of matching and sorting (n=427) (initialization): time 0.01818/1.979, allocations: 5.187 MB / 0.9273 GB, free: 225 MB / 0.7448 GB Notification: Performance of prepare postOptimizeDAE: time 0.001157/1.981, allocations: 5.395 MB / 0.9326 GB, free: 219.4 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.973e-05/1.981, allocations: 15.12 kB / 0.9326 GB, free: 219.4 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001118/1.981, allocations: 27.94 kB / 0.9326 GB, free: 219.4 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.04199/2.023, allocations: 3.386 MB / 0.9359 GB, free: 218.8 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01259/2.035, allocations: 8.336 MB / 0.9441 GB, free: 211 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.009379/2.045, allocations: 0.7258 MB / 0.9448 GB, free: 210.6 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009378/2.046, allocations: 138 kB / 0.9449 GB, free: 210.6 MB / 0.7448 GB Notification: Performance of prepare postOptimizeDAE: time 1.568e-05/2.046, allocations: 3.844 kB / 0.9449 GB, free: 210.6 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 0.006331/2.052, allocations: 2.155 MB / 0.947 GB, free: 209.4 MB / 0.7448 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated