Running command: translateModel(Buildings.Fluid.HeatExchangers.Examples.DryCoilCounterFlowPControl,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_6.0.0_Buildings.Fluid.HeatExchangers.Examples.DryCoilCounterFlowPControl") Notification: Performance of loadModel(Buildings): time 4.154/4.154, allocations: 431.3 MB / 445.8 MB, free: 7.32 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 3.164e-05/3.158e-05, allocations: 4 kB / 0.5354 GB, free: 1.285 MB / 442.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.658/0.6581, allocations: 98.7 MB / 0.6318 GB, free: 0.8281 MB / 0.4948 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Examples.DryCoilCounterFlowPControl): time 0.3835/1.042, allocations: 219 MB / 0.8457 GB, free: 5.297 MB / 0.7136 GB Notification: Performance of NFInst.instExpressions: time 0.6644/1.706, allocations: 20.86 MB / 0.866 GB, free: 23.74 MB / 0.7136 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.004954/1.711, allocations: 118.9 kB / 0.8661 GB, free: 23.74 MB / 0.7136 GB Notification: Performance of NFTyping.typeComponents: time 0.006444/1.718, allocations: 1.182 MB / 0.8673 GB, free: 23.73 MB / 0.7136 GB Notification: Performance of NFTyping.typeBindings: time 0.01699/1.735, allocations: 3.262 MB / 0.8705 GB, free: 23.65 MB / 0.7136 GB Notification: Performance of NFTyping.typeClassSections: time 0.01679/1.752, allocations: 3.155 MB / 0.8736 GB, free: 23.49 MB / 0.7136 GB Notification: Performance of NFFlatten.flatten: time 0.02367/1.775, allocations: 7.322 MB / 0.8807 GB, free: 23.46 MB / 0.7136 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01043/1.786, allocations: 3.802 MB / 0.8844 GB, free: 23.13 MB / 0.7136 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0158/1.802, allocations: 3.964 MB / 0.8883 GB, free: 23.11 MB / 0.7136 GB Notification: Performance of NFSimplifyModel.simplify: time 0.01007/1.812, allocations: 2.767 MB / 0.891 GB, free: 23.1 MB / 0.7136 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01468/1.826, allocations: 2.521 MB / 0.8935 GB, free: 23.07 MB / 0.7136 GB Notification: Performance of NFPackage.collectConstants: time 0.003368/1.83, allocations: 246.9 kB / 0.8937 GB, free: 23.07 MB / 0.7136 GB Notification: Performance of NFScalarize.scalarize: time 0.004278/1.834, allocations: 1.374 MB / 0.895 GB, free: 23.07 MB / 0.7136 GB Notification: Performance of NFVerifyModel.verify: time 0.005492/1.84, allocations: 0.665 MB / 0.8957 GB, free: 23.07 MB / 0.7136 GB Notification: Performance of NFConvertDAE.convert: time 0.02178/1.862, allocations: 10.16 MB / 0.9056 GB, free: 19.83 MB / 0.7136 GB Notification: Performance of FrontEnd - DAE generated: time 5.831e-06/1.862, allocations: 0 / 0.9056 GB, free: 19.83 MB / 0.7136 GB Notification: Performance of FrontEnd: time 4.709e-06/1.862, allocations: 0 / 0.9056 GB, free: 19.83 MB / 0.7136 GB Notification: Performance of Transformations before backend: time 0.0003919/1.862, allocations: 7.875 kB / 0.9056 GB, free: 19.82 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 0.02637/1.889, allocations: 5.391 MB / 0.9109 GB, free: 16.75 MB / 0.7136 GB Notification: Performance of prepare preOptimizeDAE: time 6.431e-05/1.889, allocations: 13.64 kB / 0.9109 GB, free: 16.75 MB / 0.7136 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.016/1.905, allocations: 1.337 MB / 0.9122 GB, free: 16.19 MB / 0.7136 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01704/1.922, allocations: 5.793 MB / 0.9179 GB, free: 14.29 MB / 0.7136 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0006798/1.922, allocations: 0.753 MB / 0.9186 GB, free: 13.77 MB / 0.7136 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001941/1.924, allocations: 457.9 kB / 0.919 GB, free: 13.76 MB / 0.7136 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01871/1.943, allocations: 6.284 MB / 0.9252 GB, free: 11.95 MB / 0.7136 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001773/1.943, allocations: 13.42 kB / 0.9252 GB, free: 11.94 MB / 0.7136 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000867/1.944, allocations: 179.4 kB / 0.9254 GB, free: 11.94 MB / 0.7136 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002836/1.945, allocations: 203.6 kB / 0.9255 GB, free: 11.91 MB / 0.7136 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01705/1.962, allocations: 5.551 MB / 0.931 GB, free: 10.88 MB / 0.7136 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 0.05796/2.02, allocations: 25.38 MB / 0.9557 GB, free: 8.387 MB / 0.7292 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01104/2.031, allocations: 4.613 MB / 0.9603 GB, free: 5.047 MB / 0.7292 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001713/2.032, allocations: 0.7481 MB / 0.961 GB, free: 4.168 MB / 0.7292 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.006932/2.039, allocations: 2.164 MB / 0.9631 GB, free: 2.621 MB / 0.7292 GB Notification: Performance of pre-optimization done (n=303): time 7.705e-06/2.04, allocations: 0 / 0.9631 GB, free: 2.621 MB / 0.7292 GB Notification: Performance of matching and sorting (n=303): time 0.0214/2.061, allocations: 5.773 MB / 0.9687 GB, free: 14.38 MB / 0.7448 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002742/2.061, allocations: 426.2 kB / 0.9691 GB, free: 13.87 MB / 0.7448 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01399/2.075, allocations: 4.186 MB / 0.9732 GB, free: 10.81 MB / 0.7448 GB Notification: Performance of collectPreVariables (initialization): time 0.00104/2.076, allocations: 103.8 kB / 0.9733 GB, free: 10.75 MB / 0.7448 GB Notification: Performance of collectInitialEqns (initialization): time 0.00451/2.081, allocations: 2.408 MB / 0.9757 GB, free: 9.398 MB / 0.7448 GB Notification: Performance of collectInitialBindings (initialization): time 0.002295/2.083, allocations: 1.056 MB / 0.9767 GB, free: 8.492 MB / 0.7448 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000436/2.084, allocations: 64.41 kB / 0.9768 GB, free: 8.48 MB / 0.7448 GB Notification: Performance of setup shared object (initialization): time 0.0004333/2.084, allocations: 442.2 kB / 0.9772 GB, free: 8.094 MB / 0.7448 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005575/2.09, allocations: 1.734 MB / 0.9789 GB, free: 6.953 MB / 0.7448 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007121/2.097, allocations: 2.593 MB / 0.9814 GB, free: 4.77 MB / 0.7448 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00683/2.104, allocations: 2.235 MB / 0.9836 GB, free: 3.363 MB / 0.7448 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.131e-05/2.104, allocations: 7.953 kB / 0.9836 GB, free: 3.355 MB / 0.7448 GB Notification: Performance of matching and sorting (n=426) (initialization): time 0.01778/2.122, allocations: 4.967 MB / 0.9885 GB, free: 15.87 MB / 0.7605 GB Notification: Performance of prepare postOptimizeDAE: time 0.002652/2.124, allocations: 4.984 MB / 0.9933 GB, free: 10.6 MB / 0.7605 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.796e-05/2.125, allocations: 12 kB / 0.9933 GB, free: 10.59 MB / 0.7605 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0008902/2.125, allocations: 210.3 kB / 0.9935 GB, free: 10.42 MB / 0.7605 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008033/2.134, allocations: 0.8626 MB / 0.9944 GB, free: 9.625 MB / 0.7605 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003612/2.137, allocations: 3.317 MB / 0.9976 GB, free: 6.371 MB / 0.7605 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.009666/2.147, allocations: 0.7346 MB / 0.9983 GB, free: 5.695 MB / 0.7605 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001066/2.148, allocations: 130.7 kB / 0.9985 GB, free: 5.594 MB / 0.7605 GB Notification: Performance of prepare postOptimizeDAE: time 1.747e-05/2.148, allocations: 4 kB / 0.9985 GB, free: 5.59 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 0.007419/2.155, allocations: 2.083 MB / 1.001 GB, free: 4.301 MB / 0.7605 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated