Running command: translateModel(Buildings.Airflow.Multizone.Examples.NaturalVentilation,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Airflow.Multizone.Examples.NaturalVentilation") Notification: Performance of loadModel(Buildings): time 3.571/3.571, allocations: 402 MB / 416.6 MB, free: 10.12 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 3.206e-05/3.248e-05, allocations: 8 kB / 0.501 GB, free: 8.246 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1921/0.1922, allocations: 92.68 MB / 0.5915 GB, free: 11.39 MB / 0.4948 GB Notification: Performance of NFInst.instantiate(Buildings.Airflow.Multizone.Examples.NaturalVentilation): time 0.7508/0.943, allocations: 161.2 MB / 0.7489 GB, free: 13.57 MB / 0.6198 GB Notification: Performance of NFInst.instExpressions: time 0.01538/0.9584, allocations: 6.742 MB / 0.7555 GB, free: 6.812 MB / 0.6198 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001541/0.96, allocations: 43.81 kB / 0.7555 GB, free: 6.77 MB / 0.6198 GB Notification: Performance of NFTyping.typeComponents: time 0.002596/0.9626, allocations: 0.6064 MB / 0.7561 GB, free: 6.16 MB / 0.6198 GB Notification: Performance of NFTyping.typeBindings: time 0.007273/0.97, allocations: 1.823 MB / 0.7579 GB, free: 4.332 MB / 0.6198 GB Notification: Performance of NFTyping.typeClassSections: time 0.00384/0.9738, allocations: 0.8926 MB / 0.7588 GB, free: 3.438 MB / 0.6198 GB Notification: Performance of NFFlatten.flatten: time 0.004328/0.9782, allocations: 1.418 MB / 0.7602 GB, free: 2.016 MB / 0.6198 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001466/0.9797, allocations: 0.5924 MB / 0.7607 GB, free: 1.426 MB / 0.6198 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002418/0.9821, allocations: 0.7675 MB / 0.7615 GB, free: 0.6562 MB / 0.6198 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001631/0.9838, allocations: 0.5608 MB / 0.762 GB, free: 96 kB / 0.6198 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0038/0.9877, allocations: 0.7839 MB / 0.7628 GB, free: 15.31 MB / 0.6355 GB Notification: Performance of NFPackage.collectConstants: time 0.0006239/0.9884, allocations: 56 kB / 0.7629 GB, free: 15.25 MB / 0.6355 GB Notification: Performance of NFScalarize.scalarize: time 0.0007232/0.9891, allocations: 351 kB / 0.7632 GB, free: 14.91 MB / 0.6355 GB Notification: Performance of NFVerifyModel.verify: time 0.0006154/0.9897, allocations: 140 kB / 0.7633 GB, free: 14.77 MB / 0.6355 GB Notification: Performance of NFConvertDAE.convert: time 0.003658/0.9934, allocations: 1.497 MB / 0.7648 GB, free: 13.27 MB / 0.6355 GB Notification: Performance of FrontEnd - DAE generated: time 4.609e-06/0.9935, allocations: 0 / 0.7648 GB, free: 13.27 MB / 0.6355 GB Notification: Performance of FrontEnd: time 2.655e-06/0.9935, allocations: 0 / 0.7648 GB, free: 13.27 MB / 0.6355 GB Notification: Performance of Transformations before backend: time 5.879e-05/0.9935, allocations: 0 / 0.7648 GB, free: 13.27 MB / 0.6355 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 220 * Number of variables: 220 Notification: Performance of Generate backend data structure: time 0.004758/0.9983, allocations: 1.228 MB / 0.766 GB, free: 11.99 MB / 0.6355 GB Notification: Performance of prepare preOptimizeDAE: time 5.6e-05/0.9984, allocations: 8.031 kB / 0.766 GB, free: 11.98 MB / 0.6355 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003788/1.002, allocations: 350.2 kB / 0.7663 GB, free: 11.64 MB / 0.6355 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002402/1.005, allocations: 0.7934 MB / 0.7671 GB, free: 10.8 MB / 0.6355 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.971e-05/1.005, allocations: 69.98 kB / 0.7672 GB, free: 10.74 MB / 0.6355 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002453/1.005, allocations: 88 kB / 0.7672 GB, free: 10.65 MB / 0.6355 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003082/1.008, allocations: 1.056 MB / 0.7683 GB, free: 9.566 MB / 0.6355 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.152e-05/1.008, allocations: 4 kB / 0.7683 GB, free: 9.562 MB / 0.6355 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001528/1.008, allocations: 36 kB / 0.7683 GB, free: 9.527 MB / 0.6355 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.103e-05/1.008, allocations: 41.98 kB / 0.7684 GB, free: 9.488 MB / 0.6355 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002862/1.011, allocations: 0.9017 MB / 0.7692 GB, free: 8.586 MB / 0.6355 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 0.008536/1.02, allocations: 4.151 MB / 0.7733 GB, free: 4.09 MB / 0.6355 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001911/1.022, allocations: 0.6968 MB / 0.774 GB, free: 3.387 MB / 0.6355 GB Notification: Performance of preOpt evalFunc (simulation): time 0.00107/1.023, allocations: 0.6733 MB / 0.7746 GB, free: 2.566 MB / 0.6355 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.851e-05/1.023, allocations: 51.2 kB / 0.7747 GB, free: 2.508 MB / 0.6355 GB Notification: Performance of pre-optimization done (n=72): time 3.887e-06/1.023, allocations: 0 / 0.7747 GB, free: 2.508 MB / 0.6355 GB Notification: Performance of matching and sorting (n=72): time 0.003555/1.027, allocations: 1.005 MB / 0.7757 GB, free: 1.496 MB / 0.6355 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.277e-05/1.027, allocations: 60.06 kB / 0.7757 GB, free: 1.426 MB / 0.6355 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001246/1.028, allocations: 0.5583 MB / 0.7763 GB, free: 0.8594 MB / 0.6355 GB Notification: Performance of collectPreVariables (initialization): time 0.0001807/1.028, allocations: 45.7 kB / 0.7763 GB, free: 0.8086 MB / 0.6355 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004748/1.029, allocations: 436.1 kB / 0.7767 GB, free: 384 kB / 0.6355 GB Notification: Performance of collectInitialBindings (initialization): time 0.0004081/1.029, allocations: 256.2 kB / 0.777 GB, free: 124 kB / 0.6355 GB Notification: Performance of simplifyInitialFunctions (initialization): time 5.786e-05/1.029, allocations: 12 kB / 0.777 GB, free: 112 kB / 0.6355 GB Notification: Performance of setup shared object (initialization): time 0.0001858/1.029, allocations: 334 kB / 0.7773 GB, free: 15.78 MB / 0.6511 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0008762/1.03, allocations: 277.9 kB / 0.7776 GB, free: 15.51 MB / 0.6511 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0009954/1.031, allocations: 370.2 kB / 0.7779 GB, free: 15.12 MB / 0.6511 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0009955/1.032, allocations: 339.1 kB / 0.7782 GB, free: 14.79 MB / 0.6511 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.291e-06/1.032, allocations: 0 / 0.7782 GB, free: 14.79 MB / 0.6511 GB Notification: Performance of matching and sorting (n=84) (initialization): time 0.002535/1.035, allocations: 0.7969 MB / 0.779 GB, free: 13.98 MB / 0.6511 GB Notification: Performance of prepare postOptimizeDAE: time 3.309e-05/1.035, allocations: 8 kB / 0.779 GB, free: 13.98 MB / 0.6511 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.034e-05/1.035, allocations: 0 / 0.779 GB, free: 13.98 MB / 0.6511 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.372e-05/1.035, allocations: 4 kB / 0.779 GB, free: 13.97 MB / 0.6511 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001356/1.036, allocations: 148 kB / 0.7792 GB, free: 13.83 MB / 0.6511 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.38e-05/1.037, allocations: 15.86 kB / 0.7792 GB, free: 13.81 MB / 0.6511 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001677/1.038, allocations: 107.3 kB / 0.7793 GB, free: 13.71 MB / 0.6511 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001048/1.038, allocations: 20 kB / 0.7793 GB, free: 13.69 MB / 0.6511 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 7 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (84): * Single equations (assignments): 84 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0007945/1.039, allocations: 293.6 kB / 0.7796 GB, free: 13.39 MB / 0.6511 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003147/1.039, allocations: 90.95 kB / 0.7797 GB, free: 13.3 MB / 0.6511 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002527/1.042, allocations: 0.8103 MB / 0.7805 GB, free: 12.48 MB / 0.6511 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.002035/1.044, allocations: 0.8256 MB / 0.7813 GB, free: 11.6 MB / 0.6511 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.125e-06/1.044, allocations: 0 / 0.7813 GB, free: 11.6 MB / 0.6511 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0008241/1.045, allocations: 255.8 kB / 0.7815 GB, free: 11.33 MB / 0.6511 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002309/1.045, allocations: 16 kB / 0.7815 GB, free: 11.32 MB / 0.6511 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001553/1.047, allocations: 71.94 kB / 0.7816 GB, free: 11.25 MB / 0.6511 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000163/1.047, allocations: 44.59 kB / 0.7816 GB, free: 11.2 MB / 0.6511 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.0034/1.05, allocations: 0.9149 MB / 0.7825 GB, free: 10.28 MB / 0.6511 GB Notification: Performance of postOpt detectDAEmodeSparsePattern (simulation): time 0.003683/1.054, allocations: 1.418 MB / 0.7839 GB, free: 8.844 MB / 0.6511 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.001026/1.055, allocations: 357 kB / 0.7843 GB, free: 8.496 MB / 0.6511 GB Notification: Performance of sorting global known variables: time 0.0009707/1.056, allocations: 463 kB / 0.7847 GB, free: 8.051 MB / 0.6511 GB Notification: Performance of Backend: time 1.492e-06/1.056, allocations: 0 / 0.7847 GB, free: 8.051 MB / 0.6511 GB Notification: Performance of simCode: created initialization part: time 0.002817/1.059, allocations: 0.7655 MB / 0.7854 GB, free: 7.277 MB / 0.6511 GB Notification: Performance of SimCode: time 0.008344/1.067, allocations: 3.25 MB / 0.7886 GB, free: 3.984 MB / 0.6511 GB Notification: Performance of Templates: time 0.05746/1.125, allocations: 19.99 MB / 0.8081 GB, free: 180 kB / 0.6667 GB