Running command: translateModel(Buildings.Fluid.HeatExchangers.Examples.WetCoilCounterFlowMassFlow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Fluid.HeatExchangers.Examples.WetCoilCounterFlowMassFlow") Notification: Performance of loadModel(Buildings): time 4.534/4.534, allocations: 458.9 MB / 473.4 MB, free: 11.78 MB / 378.7 MB Notification: Performance of FrontEnd - loaded program: time 3.785e-05/3.776e-05, allocations: 4.094 kB / 0.5697 GB, free: 9.805 MB / 458.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2523/0.2524, allocations: 106.2 MB / 0.6734 GB, free: 2.594 MB / 0.5417 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Examples.WetCoilCounterFlowMassFlow): time 0.9875/1.24, allocations: 210.8 MB / 0.8793 GB, free: 2.168 MB / 0.6667 GB Notification: Performance of NFInst.instExpressions: time 0.03388/1.274, allocations: 17.36 MB / 0.8963 GB, free: 12.87 MB / 0.6823 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003896/1.278, allocations: 103.2 kB / 0.8964 GB, free: 12.87 MB / 0.6823 GB Notification: Performance of NFTyping.typeComponents: time 0.005078/1.283, allocations: 1.042 MB / 0.8974 GB, free: 12.14 MB / 0.6823 GB Notification: Performance of NFTyping.typeBindings: time 0.01324/1.296, allocations: 2.871 MB / 0.9002 GB, free: 9.676 MB / 0.6823 GB Notification: Performance of NFTyping.typeClassSections: time 0.009422/1.306, allocations: 2.046 MB / 0.9022 GB, free: 8.176 MB / 0.6823 GB Notification: Performance of NFFlatten.flatten: time 0.01963/1.325, allocations: 7.441 MB / 0.9095 GB, free: 3.164 MB / 0.6823 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008015/1.333, allocations: 4.167 MB / 0.9135 GB, free: 0.8945 MB / 0.6823 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01059/1.344, allocations: 3.818 MB / 0.9173 GB, free: 15.2 MB / 0.698 GB Notification: Performance of NFSimplifyModel.simplify: time 0.007149/1.351, allocations: 2.792 MB / 0.92 GB, free: 14.05 MB / 0.698 GB Notification: Performance of NFFlatten.collectFunctions: time 0.009975/1.361, allocations: 2.225 MB / 0.9222 GB, free: 12.89 MB / 0.698 GB Notification: Performance of NFPackage.collectConstants: time 0.002464/1.364, allocations: 243.9 kB / 0.9224 GB, free: 12.65 MB / 0.698 GB Notification: Performance of NFScalarize.scalarize: time 0.003229/1.367, allocations: 1.401 MB / 0.9238 GB, free: 11.24 MB / 0.698 GB Notification: Performance of NFVerifyModel.verify: time 0.003912/1.371, allocations: 0.6719 MB / 0.9244 GB, free: 10.57 MB / 0.698 GB Notification: Performance of NFConvertDAE.convert: time 0.01945/1.391, allocations: 10.79 MB / 0.935 GB, free: 15.75 MB / 0.7136 GB Notification: Performance of FrontEnd - DAE generated: time 4.449e-06/1.391, allocations: 0 / 0.935 GB, free: 15.75 MB / 0.7136 GB Notification: Performance of FrontEnd: time 2.645e-06/1.391, allocations: 0 / 0.935 GB, free: 15.75 MB / 0.7136 GB Notification: Performance of Transformations before backend: time 0.0003444/1.391, allocations: 0 / 0.935 GB, free: 15.75 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: 1197 * Number of variables: 1197 Notification: Performance of Generate backend data structure: time 0.02468/1.416, allocations: 5.522 MB / 0.9403 GB, free: 10.14 MB / 0.7136 GB Notification: Performance of prepare preOptimizeDAE: time 6.956e-05/1.416, allocations: 8.031 kB / 0.9404 GB, free: 10.14 MB / 0.7136 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0133/1.429, allocations: 1.428 MB / 0.9417 GB, free: 8.699 MB / 0.7136 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01817/1.447, allocations: 5.866 MB / 0.9475 GB, free: 2.75 MB / 0.7136 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0008841/1.448, allocations: 0.778 MB / 0.9482 GB, free: 1.871 MB / 0.7136 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002149/1.45, allocations: 479.9 kB / 0.9487 GB, free: 1.402 MB / 0.7136 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02199/1.472, allocations: 6.986 MB / 0.9555 GB, free: 10.27 MB / 0.7292 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.000161/1.473, allocations: 11.95 kB / 0.9555 GB, free: 10.25 MB / 0.7292 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0009507/1.474, allocations: 196 kB / 0.9557 GB, free: 10.06 MB / 0.7292 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003782/1.474, allocations: 225 kB / 0.9559 GB, free: 9.84 MB / 0.7292 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02105/1.495, allocations: 6.223 MB / 0.962 GB, free: 3.602 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 0.06556/1.561, allocations: 26.71 MB / 0.9881 GB, free: 7.371 MB / 0.7605 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01071/1.571, allocations: 4.718 MB / 0.9927 GB, free: 2.508 MB / 0.7605 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001757/1.573, allocations: 0.844 MB / 0.9935 GB, free: 1.496 MB / 0.7605 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.00719/1.581, allocations: 2.443 MB / 0.9959 GB, free: 15 MB / 0.7761 GB Notification: Performance of pre-optimization done (n=326): time 9.227e-06/1.581, allocations: 7.922 kB / 0.9959 GB, free: 14.99 MB / 0.7761 GB Notification: Performance of matching and sorting (n=326): time 0.02028/1.601, allocations: 6.121 MB / 1.002 GB, free: 8.777 MB / 0.7761 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002699/1.601, allocations: 384.5 kB / 1.002 GB, free: 8.32 MB / 0.7761 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01234/1.614, allocations: 4.22 MB / 1.006 GB, free: 4.09 MB / 0.7761 GB Notification: Performance of collectPreVariables (initialization): time 0.001086/1.615, allocations: 101.7 kB / 1.006 GB, free: 3.984 MB / 0.7761 GB Notification: Performance of collectInitialEqns (initialization): time 0.004312/1.619, allocations: 2.434 MB / 1.009 GB, free: 1.531 MB / 0.7761 GB Notification: Performance of collectInitialBindings (initialization): time 0.002377/1.621, allocations: 1.117 MB / 1.01 GB, free: 408 kB / 0.7761 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004392/1.622, allocations: 64 kB / 1.01 GB, free: 344 kB / 0.7761 GB Notification: Performance of setup shared object (initialization): time 0.0004597/1.622, allocations: 461.2 kB / 1.01 GB, free: 15.88 MB / 0.7917 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00578/1.628, allocations: 1.9 MB / 1.012 GB, free: 13.98 MB / 0.7917 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007326/1.636, allocations: 2.698 MB / 1.015 GB, free: 11.02 MB / 0.7917 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.007376/1.643, allocations: 2.442 MB / 1.017 GB, free: 8.547 MB / 0.7917 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.799e-05/1.643, allocations: 4 kB / 1.017 GB, free: 8.543 MB / 0.7917 GB Notification: Performance of matching and sorting (n=439) (initialization): time 0.02006/1.663, allocations: 5.268 MB / 1.022 GB, free: 3.23 MB / 0.7917 GB Notification: Performance of prepare postOptimizeDAE: time 0.003313/1.666, allocations: 4.845 MB / 1.027 GB, free: 14.14 MB / 0.8073 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.797e-05/1.667, allocations: 8 kB / 1.027 GB, free: 14.14 MB / 0.8073 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.000107/1.667, allocations: 28 kB / 1.027 GB, free: 14.11 MB / 0.8073 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01211/1.679, allocations: 0.9244 MB / 1.028 GB, free: 13.18 MB / 0.8073 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003036/1.682, allocations: 2.481 MB / 1.031 GB, free: 10.61 MB / 0.8073 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01324/1.695, allocations: 0.7335 MB / 1.031 GB, free: 9.875 MB / 0.8073 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001282/1.697, allocations: 136 kB / 1.031 GB, free: 9.742 MB / 0.8073 GB Notification: Performance of prepare postOptimizeDAE: time 2.353e-05/1.697, allocations: 4 kB / 1.031 GB, free: 9.738 MB / 0.8073 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 0.01192/1.709, allocations: 2.363 MB / 1.034 GB, free: 7.352 MB / 0.8073 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated