Running command: translateModel(Buildings.Fluid.HeatExchangers.Examples.DryCoilCounterFlowPControl,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Fluid.HeatExchangers.Examples.DryCoilCounterFlowPControl") Notification: Performance of loadModel(Buildings): time 4.387/4.387, allocations: 458.9 MB / 473.4 MB, free: 11.82 MB / 378.7 MB Notification: Performance of FrontEnd - loaded program: time 3.456e-05/3.482e-05, allocations: 8.25 kB / 0.5697 GB, free: 9.828 MB / 458.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2493/0.2493, allocations: 106.2 MB / 0.6734 GB, free: 2.641 MB / 0.5417 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Examples.DryCoilCounterFlowPControl): time 0.9916/1.241, allocations: 219.8 MB / 0.8881 GB, free: 15.37 MB / 0.6823 GB Notification: Performance of NFInst.instExpressions: time 0.04551/1.287, allocations: 20.95 MB / 0.9085 GB, free: 4.105 MB / 0.6823 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.004863/1.292, allocations: 117.8 kB / 0.9086 GB, free: 4.105 MB / 0.6823 GB Notification: Performance of NFTyping.typeComponents: time 0.006142/1.298, allocations: 1.176 MB / 0.9098 GB, free: 3.285 MB / 0.6823 GB Notification: Performance of NFTyping.typeBindings: time 0.01581/1.314, allocations: 3.26 MB / 0.913 GB, free: 0.4922 MB / 0.6823 GB Notification: Performance of NFTyping.typeClassSections: time 0.01455/1.328, allocations: 3.209 MB / 0.9161 GB, free: 14.2 MB / 0.698 GB Notification: Performance of NFFlatten.flatten: time 0.02249/1.351, allocations: 7.35 MB / 0.9233 GB, free: 9.195 MB / 0.698 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008543/1.359, allocations: 3.807 MB / 0.927 GB, free: 7.008 MB / 0.698 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0123/1.372, allocations: 3.985 MB / 0.9309 GB, free: 3.969 MB / 0.698 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00788/1.38, allocations: 2.768 MB / 0.9336 GB, free: 1.191 MB / 0.698 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0114/1.391, allocations: 2.528 MB / 0.9361 GB, free: 14.66 MB / 0.7136 GB Notification: Performance of NFPackage.collectConstants: time 0.002544/1.394, allocations: 252 kB / 0.9363 GB, free: 14.41 MB / 0.7136 GB Notification: Performance of NFScalarize.scalarize: time 0.003311/1.397, allocations: 1.382 MB / 0.9377 GB, free: 13.03 MB / 0.7136 GB Notification: Performance of NFVerifyModel.verify: time 0.003836/1.401, allocations: 0.6641 MB / 0.9383 GB, free: 12.36 MB / 0.7136 GB Notification: Performance of NFConvertDAE.convert: time 0.01913/1.42, allocations: 10.2 MB / 0.9483 GB, free: 2.145 MB / 0.7136 GB Notification: Performance of FrontEnd - DAE generated: time 5.13e-06/1.42, allocations: 0 / 0.9483 GB, free: 2.145 MB / 0.7136 GB Notification: Performance of FrontEnd: time 2.876e-06/1.42, allocations: 0 / 0.9483 GB, free: 2.145 MB / 0.7136 GB Notification: Performance of Transformations before backend: time 0.0003642/1.42, allocations: 0 / 0.9483 GB, free: 2.145 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: 1084 * Number of variables: 1084 Notification: Performance of Generate backend data structure: time 0.02087/1.441, allocations: 5.397 MB / 0.9535 GB, free: 12.66 MB / 0.7292 GB Notification: Performance of prepare preOptimizeDAE: time 5.379e-05/1.441, allocations: 12.03 kB / 0.9535 GB, free: 12.65 MB / 0.7292 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01208/1.454, allocations: 1.343 MB / 0.9549 GB, free: 11.3 MB / 0.7292 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01869/1.472, allocations: 5.752 MB / 0.9605 GB, free: 5.469 MB / 0.7292 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0008985/1.473, allocations: 0.7544 MB / 0.9612 GB, free: 4.613 MB / 0.7292 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001974/1.475, allocations: 455.8 kB / 0.9616 GB, free: 4.168 MB / 0.7292 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0209/1.496, allocations: 6.31 MB / 0.9678 GB, free: 13.68 MB / 0.7448 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001544/1.496, allocations: 4 kB / 0.9678 GB, free: 13.68 MB / 0.7448 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0009284/1.497, allocations: 180 kB / 0.968 GB, free: 13.5 MB / 0.7448 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003474/1.498, allocations: 208.1 kB / 0.9682 GB, free: 13.29 MB / 0.7448 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01925/1.517, allocations: 5.555 MB / 0.9736 GB, free: 7.719 MB / 0.7448 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 0.06005/1.577, allocations: 25.42 MB / 0.9984 GB, free: 12.7 MB / 0.7761 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01124/1.588, allocations: 4.59 MB / 1.003 GB, free: 7.926 MB / 0.7761 GB Notification: Performance of preOpt evalFunc (simulation): time 0.00161/1.59, allocations: 0.7491 MB / 1.004 GB, free: 7.027 MB / 0.7761 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.007254/1.597, allocations: 2.193 MB / 1.006 GB, free: 4.785 MB / 0.7761 GB Notification: Performance of pre-optimization done (n=305): time 7.945e-06/1.597, allocations: 4 kB / 1.006 GB, free: 4.781 MB / 0.7761 GB Notification: Performance of matching and sorting (n=305): time 0.02297/1.62, allocations: 5.853 MB / 1.012 GB, free: 14.83 MB / 0.7917 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002568/1.621, allocations: 431.9 kB / 1.012 GB, free: 14.32 MB / 0.7917 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01272/1.633, allocations: 4.179 MB / 1.016 GB, free: 10.14 MB / 0.7917 GB Notification: Performance of collectPreVariables (initialization): time 0.0009969/1.634, allocations: 97.69 kB / 1.016 GB, free: 10.04 MB / 0.7917 GB Notification: Performance of collectInitialEqns (initialization): time 0.004507/1.639, allocations: 2.396 MB / 1.018 GB, free: 7.617 MB / 0.7917 GB Notification: Performance of collectInitialBindings (initialization): time 0.002225/1.641, allocations: 1.063 MB / 1.019 GB, free: 6.539 MB / 0.7917 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004494/1.642, allocations: 64 kB / 1.02 GB, free: 6.477 MB / 0.7917 GB Notification: Performance of setup shared object (initialization): time 0.0004918/1.642, allocations: 441 kB / 1.02 GB, free: 6.039 MB / 0.7917 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005759/1.648, allocations: 1.744 MB / 1.022 GB, free: 4.293 MB / 0.7917 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007348/1.655, allocations: 2.601 MB / 1.024 GB, free: 1.398 MB / 0.7917 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.007303/1.663, allocations: 2.229 MB / 1.026 GB, free: 15.15 MB / 0.8073 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.591e-05/1.663, allocations: 4 kB / 1.026 GB, free: 15.14 MB / 0.8073 GB Notification: Performance of matching and sorting (n=426) (initialization): time 0.01793/1.681, allocations: 5.022 MB / 1.031 GB, free: 10.08 MB / 0.8073 GB Notification: Performance of prepare postOptimizeDAE: time 0.002317/1.683, allocations: 4.976 MB / 1.036 GB, free: 4.719 MB / 0.8073 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.752e-05/1.683, allocations: 12 kB / 1.036 GB, free: 4.707 MB / 0.8073 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0009316/1.684, allocations: 208.7 kB / 1.036 GB, free: 4.5 MB / 0.8073 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008024/1.692, allocations: 0.8658 MB / 1.037 GB, free: 3.633 MB / 0.8073 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003754/1.696, allocations: 3.318 MB / 1.04 GB, free: 200 kB / 0.8073 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.009654/1.706, allocations: 0.7275 MB / 1.041 GB, free: 15.47 MB / 0.823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001027/1.707, allocations: 132 kB / 1.041 GB, free: 15.34 MB / 0.823 GB Notification: Performance of prepare postOptimizeDAE: time 2.033e-05/1.707, allocations: 7.953 kB / 1.041 GB, free: 15.33 MB / 0.823 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 0.007914/1.715, allocations: 2.11 MB / 1.043 GB, free: 13.2 MB / 0.823 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated