Running command: translateModel(Buildings.Airflow.Multizone.Examples.OneOpenDoor,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Airflow.Multizone.Examples.OneOpenDoor") Notification: Performance of loadModel(Buildings): time 3.642/3.642, allocations: 402 MB / 416.6 MB, free: 10.18 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 3.223e-05/3.227e-05, allocations: 4 kB / 0.5009 GB, free: 8.234 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1884/0.1884, allocations: 92.69 MB / 0.5915 GB, free: 11.37 MB / 0.4948 GB Notification: Performance of NFInst.instantiate(Buildings.Airflow.Multizone.Examples.OneOpenDoor): time 0.7246/0.9131, allocations: 136 MB / 0.7243 GB, free: 6.445 MB / 0.5886 GB Notification: Performance of NFInst.instExpressions: time 0.01561/0.9287, allocations: 6.746 MB / 0.7309 GB, free: 15.68 MB / 0.6042 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001694/0.9305, allocations: 43.81 kB / 0.7309 GB, free: 15.64 MB / 0.6042 GB Notification: Performance of NFTyping.typeComponents: time 0.002327/0.9328, allocations: 0.5091 MB / 0.7314 GB, free: 15.13 MB / 0.6042 GB Notification: Performance of NFTyping.typeBindings: time 0.005543/0.9384, allocations: 1.351 MB / 0.7327 GB, free: 13.77 MB / 0.6042 GB Notification: Performance of NFTyping.typeClassSections: time 0.003818/0.9423, allocations: 0.8504 MB / 0.7336 GB, free: 12.92 MB / 0.6042 GB Notification: Performance of NFFlatten.flatten: time 0.004902/0.9472, allocations: 1.933 MB / 0.7354 GB, free: 10.98 MB / 0.6042 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001925/0.9491, allocations: 0.8861 MB / 0.7363 GB, free: 10.1 MB / 0.6042 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003249/0.9524, allocations: 1.095 MB / 0.7374 GB, free: 9.004 MB / 0.6042 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002871/0.9554, allocations: 1.048 MB / 0.7384 GB, free: 7.953 MB / 0.6042 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003924/0.9593, allocations: 0.8663 MB / 0.7392 GB, free: 7.086 MB / 0.6042 GB Notification: Performance of NFPackage.collectConstants: time 0.0008306/0.9602, allocations: 96 kB / 0.7393 GB, free: 6.992 MB / 0.6042 GB Notification: Performance of NFScalarize.scalarize: time 0.0008607/0.9611, allocations: 454.7 kB / 0.7398 GB, free: 6.547 MB / 0.6042 GB Notification: Performance of NFVerifyModel.verify: time 0.0009404/0.9621, allocations: 180 kB / 0.7399 GB, free: 6.371 MB / 0.6042 GB Notification: Performance of NFConvertDAE.convert: time 0.004145/0.9662, allocations: 1.873 MB / 0.7418 GB, free: 4.496 MB / 0.6042 GB Notification: Performance of FrontEnd - DAE generated: time 5.681e-06/0.9663, allocations: 4 kB / 0.7418 GB, free: 4.492 MB / 0.6042 GB Notification: Performance of FrontEnd: time 3.426e-06/0.9663, allocations: 0 / 0.7418 GB, free: 4.492 MB / 0.6042 GB Notification: Performance of Transformations before backend: time 7.487e-05/0.9664, allocations: 0 / 0.7418 GB, free: 4.492 MB / 0.6042 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 363 * Number of variables: 363 Notification: Performance of Generate backend data structure: time 0.007077/0.9735, allocations: 1.819 MB / 0.7435 GB, free: 2.621 MB / 0.6042 GB Notification: Performance of prepare preOptimizeDAE: time 5.278e-05/0.9735, allocations: 8.031 kB / 0.7436 GB, free: 2.613 MB / 0.6042 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0009447/0.9745, allocations: 182 kB / 0.7437 GB, free: 2.434 MB / 0.6042 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00288/0.9774, allocations: 0.9229 MB / 0.7446 GB, free: 1.469 MB / 0.6042 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001425/0.9776, allocations: 106.9 kB / 0.7447 GB, free: 1.363 MB / 0.6042 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004813/0.9781, allocations: 147.8 kB / 0.7449 GB, free: 1.219 MB / 0.6042 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.005736/0.9838, allocations: 1.842 MB / 0.7467 GB, free: 15.34 MB / 0.6198 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.65e-05/0.9839, allocations: 4 kB / 0.7467 GB, free: 15.33 MB / 0.6198 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002534/0.9842, allocations: 60 kB / 0.7467 GB, free: 15.27 MB / 0.6198 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.855e-05/0.9842, allocations: 36 kB / 0.7468 GB, free: 15.24 MB / 0.6198 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00717/0.9914, allocations: 2.279 MB / 0.749 GB, free: 12.95 MB / 0.6198 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 0.01576/1.007, allocations: 5.982 MB / 0.7548 GB, free: 6.598 MB / 0.6198 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008732/1.016, allocations: 2.635 MB / 0.7574 GB, free: 3.953 MB / 0.6198 GB Notification: Performance of preOpt evalFunc (simulation): time 0.002541/1.019, allocations: 1.655 MB / 0.759 GB, free: 1.949 MB / 0.6198 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.601e-05/1.019, allocations: 55.52 kB / 0.7591 GB, free: 1.891 MB / 0.6198 GB Notification: Performance of pre-optimization done (n=215): time 6.001e-06/1.019, allocations: 0 / 0.7591 GB, free: 1.891 MB / 0.6198 GB Notification: Performance of matching and sorting (n=215): time 0.01108/1.03, allocations: 3.212 MB / 0.7622 GB, free: 14.63 MB / 0.6355 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.382e-05/1.03, allocations: 73.41 kB / 0.7623 GB, free: 14.55 MB / 0.6355 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00107/1.031, allocations: 0.5034 MB / 0.7628 GB, free: 14.04 MB / 0.6355 GB Notification: Performance of collectPreVariables (initialization): time 0.0004401/1.031, allocations: 61.7 kB / 0.7628 GB, free: 13.97 MB / 0.6355 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004763/1.032, allocations: 445.8 kB / 0.7633 GB, free: 13.53 MB / 0.6355 GB Notification: Performance of collectInitialBindings (initialization): time 0.001218/1.033, allocations: 0.716 MB / 0.764 GB, free: 12.8 MB / 0.6355 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002142/1.033, allocations: 40 kB / 0.764 GB, free: 12.76 MB / 0.6355 GB Notification: Performance of setup shared object (initialization): time 0.0003367/1.034, allocations: 422.7 kB / 0.7644 GB, free: 12.34 MB / 0.6355 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002936/1.037, allocations: 0.8472 MB / 0.7652 GB, free: 11.49 MB / 0.6355 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003163/1.04, allocations: 1.05 MB / 0.7663 GB, free: 10.4 MB / 0.6355 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003212/1.043, allocations: 1.025 MB / 0.7673 GB, free: 9.379 MB / 0.6355 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.167e-05/1.043, allocations: 0 / 0.7673 GB, free: 9.379 MB / 0.6355 GB Notification: Performance of matching and sorting (n=239) (initialization): time 0.00723/1.051, allocations: 2.285 MB / 0.7695 GB, free: 7.086 MB / 0.6355 GB Notification: Performance of prepare postOptimizeDAE: time 3.033e-05/1.051, allocations: 8.062 kB / 0.7695 GB, free: 7.078 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.845e-05/1.051, allocations: 4 kB / 0.7695 GB, free: 7.074 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (initialization): time 4.334e-05/1.051, allocations: 15.95 kB / 0.7695 GB, free: 7.059 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003925/1.055, allocations: 407.4 kB / 0.7699 GB, free: 6.66 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.949e-05/1.055, allocations: 12 kB / 0.7699 GB, free: 6.648 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002443/1.057, allocations: 206.3 kB / 0.7701 GB, free: 6.445 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003824/1.058, allocations: 75.92 kB / 0.7702 GB, free: 6.371 MB / 0.6355 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 16 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (239): * Single equations (assignments): 239 * 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 0.001229/1.059, allocations: 397.3 kB / 0.7706 GB, free: 5.973 MB / 0.6355 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004534/1.059, allocations: 126.5 kB / 0.7707 GB, free: 5.848 MB / 0.6355 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.009494/1.069, allocations: 2.766 MB / 0.7734 GB, free: 3.055 MB / 0.6355 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.007351/1.076, allocations: 2.37 MB / 0.7757 GB, free: 0.6328 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.59e-05/1.076, allocations: 0 / 0.7757 GB, free: 0.6328 MB / 0.6355 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001545/1.078, allocations: 478.6 kB / 0.7762 GB, free: 148 kB / 0.6355 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004214/1.078, allocations: 40 kB / 0.7762 GB, free: 108 kB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002141/1.08, allocations: 107.8 kB / 0.7763 GB, free: 0 / 0.6355 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005527/1.081, allocations: 145.8 kB / 0.7764 GB, free: 15.86 MB / 0.6511 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. Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.006563/1.088, allocations: 1.512 MB / 0.7779 GB, free: 14.34 MB / 0.6511 GB Error: post-optimization module createDAEmodeBDAE (simulation) failed.