Running command: translateModel(Buildings.Fluid.HeatExchangers.Examples.WetCoilCounterFlowMassFlow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_6.0.0_Buildings.Fluid.HeatExchangers.Examples.WetCoilCounterFlowMassFlow") Notification: Performance of loadModel(Buildings): time 4.24/4.24, allocations: 431.3 MB / 445.8 MB, free: 5.438 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 3.746e-05/3.737e-05, allocations: 4 kB / 0.5354 GB, free: 14.84 MB / 458.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6404/0.6405, allocations: 98.7 MB / 0.6318 GB, free: 11.97 MB / 0.5105 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Examples.WetCoilCounterFlowMassFlow): time 0.9483/1.589, allocations: 210.1 MB / 0.837 GB, free: 3.383 MB / 0.6667 GB Notification: Performance of NFInst.instExpressions: time 0.03048/1.619, allocations: 17.25 MB / 0.8538 GB, free: 3.086 MB / 0.6667 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00385/1.623, allocations: 100.9 kB / 0.8539 GB, free: 3.086 MB / 0.6667 GB Notification: Performance of NFTyping.typeComponents: time 0.004569/1.628, allocations: 1.045 MB / 0.8549 GB, free: 3.074 MB / 0.6667 GB Notification: Performance of NFTyping.typeBindings: time 0.01209/1.64, allocations: 2.874 MB / 0.8577 GB, free: 3.004 MB / 0.6667 GB Notification: Performance of NFTyping.typeClassSections: time 0.008496/1.649, allocations: 1.966 MB / 0.8597 GB, free: 2.914 MB / 0.6667 GB Notification: Performance of NFFlatten.flatten: time 0.01976/1.668, allocations: 7.42 MB / 0.8669 GB, free: 2.871 MB / 0.6667 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008746/1.677, allocations: 4.16 MB / 0.871 GB, free: 2.41 MB / 0.6667 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01085/1.688, allocations: 3.804 MB / 0.8747 GB, free: 1.914 MB / 0.6667 GB Notification: Performance of NFSimplifyModel.simplify: time 0.007393/1.696, allocations: 2.783 MB / 0.8774 GB, free: 1.418 MB / 0.6667 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01032/1.706, allocations: 2.229 MB / 0.8796 GB, free: 1.008 MB / 0.6667 GB Notification: Performance of NFPackage.collectConstants: time 0.002502/1.708, allocations: 237.1 kB / 0.8798 GB, free: 1.008 MB / 0.6667 GB Notification: Performance of NFScalarize.scalarize: time 0.003131/1.712, allocations: 1.377 MB / 0.8811 GB, free: 0.6602 MB / 0.6667 GB Notification: Performance of NFVerifyModel.verify: time 0.004069/1.716, allocations: 0.6657 MB / 0.8818 GB, free: 0.6602 MB / 0.6667 GB Notification: Performance of NFConvertDAE.convert: time 0.01943/1.735, allocations: 10.75 MB / 0.8923 GB, free: 10.68 MB / 0.6823 GB Notification: Performance of FrontEnd - DAE generated: time 4.238e-06/1.735, allocations: 0 / 0.8923 GB, free: 10.68 MB / 0.6823 GB Notification: Performance of FrontEnd: time 2.755e-06/1.735, allocations: 4 kB / 0.8923 GB, free: 10.68 MB / 0.6823 GB Notification: Performance of Transformations before backend: time 0.0003863/1.736, allocations: 0 / 0.8923 GB, free: 10.68 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: 1197 * Number of variables: 1197 Notification: Performance of Generate backend data structure: time 0.02119/1.757, allocations: 5.503 MB / 0.8977 GB, free: 7.543 MB / 0.6823 GB Notification: Performance of prepare preOptimizeDAE: time 4.971e-05/1.757, allocations: 12.23 kB / 0.8977 GB, free: 7.539 MB / 0.6823 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01305/1.77, allocations: 1.43 MB / 0.8991 GB, free: 6.941 MB / 0.6823 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01893/1.789, allocations: 5.894 MB / 0.9048 GB, free: 4.422 MB / 0.6823 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0009595/1.79, allocations: 0.7782 MB / 0.9056 GB, free: 3.691 MB / 0.6823 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002327/1.792, allocations: 493.9 kB / 0.9061 GB, free: 3.363 MB / 0.6823 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02445/1.817, allocations: 6.951 MB / 0.9129 GB, free: 14.5 MB / 0.698 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002238/1.817, allocations: 6.625 kB / 0.9129 GB, free: 14.5 MB / 0.698 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001543/1.819, allocations: 198 kB / 0.913 GB, free: 14.45 MB / 0.698 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003673/1.819, allocations: 218.5 kB / 0.9133 GB, free: 14.24 MB / 0.698 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02201/1.841, allocations: 6.221 MB / 0.9193 GB, free: 10.07 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 0.07948/1.921, allocations: 26.65 MB / 0.9454 GB, free: 4.93 MB / 0.7136 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01108/1.932, allocations: 4.685 MB / 0.9499 GB, free: 1.617 MB / 0.7136 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001885/1.934, allocations: 0.8432 MB / 0.9508 GB, free: 0.6289 MB / 0.7136 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.007665/1.941, allocations: 2.396 MB / 0.9531 GB, free: 14.92 MB / 0.7292 GB Notification: Performance of pre-optimization done (n=324): time 8.546e-06/1.941, allocations: 0 / 0.9531 GB, free: 14.92 MB / 0.7292 GB Notification: Performance of matching and sorting (n=324): time 0.02746/1.969, allocations: 6.015 MB / 0.959 GB, free: 10.61 MB / 0.7292 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0003273/1.969, allocations: 375.6 kB / 0.9593 GB, free: 10.16 MB / 0.7292 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01776/1.987, allocations: 4.217 MB / 0.9635 GB, free: 6.164 MB / 0.7292 GB Notification: Performance of collectPreVariables (initialization): time 0.001215/1.988, allocations: 99.11 kB / 0.9635 GB, free: 6.066 MB / 0.7292 GB Notification: Performance of collectInitialEqns (initialization): time 0.005961/1.994, allocations: 2.455 MB / 0.9659 GB, free: 3.594 MB / 0.7292 GB Notification: Performance of collectInitialBindings (initialization): time 0.002874/1.997, allocations: 1.106 MB / 0.967 GB, free: 2.496 MB / 0.7292 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006886/1.998, allocations: 68 kB / 0.9671 GB, free: 2.43 MB / 0.7292 GB Notification: Performance of setup shared object (initialization): time 0.0006188/1.999, allocations: 449.2 kB / 0.9675 GB, free: 1.984 MB / 0.7292 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.008293/2.007, allocations: 1.888 MB / 0.9694 GB, free: 96 kB / 0.7292 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01001/2.017, allocations: 2.703 MB / 0.972 GB, free: 13.14 MB / 0.7448 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01004/2.027, allocations: 2.439 MB / 0.9744 GB, free: 10.69 MB / 0.7448 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.737e-05/2.027, allocations: 4 kB / 0.9744 GB, free: 10.69 MB / 0.7448 GB Notification: Performance of matching and sorting (n=439) (initialization): time 0.01932/2.047, allocations: 5.182 MB / 0.9794 GB, free: 5.527 MB / 0.7448 GB Notification: Performance of prepare postOptimizeDAE: time 0.002208/2.049, allocations: 4.854 MB / 0.9842 GB, free: 268 kB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.09e-05/2.049, allocations: 8 kB / 0.9842 GB, free: 260 kB / 0.7448 GB Notification: Performance of postOpt tearingSystem (initialization): time 7.754e-05/2.049, allocations: 28 kB / 0.9842 GB, free: 232 kB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.009267/2.058, allocations: 0.9205 MB / 0.9851 GB, free: 15.35 MB / 0.7605 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002213/2.061, allocations: 2.481 MB / 0.9875 GB, free: 12.79 MB / 0.7605 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.009377/2.07, allocations: 0.7483 MB / 0.9883 GB, free: 12.04 MB / 0.7605 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001011/2.071, allocations: 128 kB / 0.9884 GB, free: 11.91 MB / 0.7605 GB Notification: Performance of prepare postOptimizeDAE: time 1.78e-05/2.071, allocations: 7.984 kB / 0.9884 GB, free: 11.91 MB / 0.7605 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 0.007539/2.079, allocations: 2.325 MB / 0.9907 GB, free: 9.586 MB / 0.7605 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated