Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Airflow.Multizone.Examples.ChimneyShaftWithVolume.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo", uses=false) Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: "" <> buildModelFMU(Buildings.Airflow.Multizone.Examples.ChimneyShaftWithVolume,fileNamePrefix="Buildings_11_Buildings_Airflow_Multizone_Examples_ChimneyShaftWithVolume",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Airflow.Multizone.Examples.ChimneyShaftWithVolume,fileNamePrefix="Buildings_11_Buildings_Airflow_Multizone_Examples_ChimneyShaftWithVolume",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001442/0.001442, allocations: 108 kB / 15.61 MB, free: 152 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001423/0.001423, allocations: 196.8 kB / 16.53 MB, free: 6.664 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.254/1.254, allocations: 222.9 MB / 240.2 MB, free: 4.398 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo): time 2.496/2.496, allocations: 469.8 MB / 0.7424 GB, free: 7.512 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001714/0.001714, allocations: 62.67 kB / 0.9087 GB, free: 34.32 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2333/0.235, allocations: 159.2 MB / 1.064 GB, free: 14.28 MB / 0.8262 GB Notification: Performance of NFInst.instantiate(Buildings.Airflow.Multizone.Examples.ChimneyShaftWithVolume): time 0.6291/0.8641, allocations: 235.9 MB / 1.294 GB, free: 4.445 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.01218/0.8763, allocations: 10.42 MB / 1.305 GB, free: 4.297 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001551/0.8779, allocations: 61.88 kB / 1.305 GB, free: 4.297 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.002054/0.88, allocations: 1.194 MB / 1.306 GB, free: 4.266 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.00621/0.8862, allocations: 3.658 MB / 1.309 GB, free: 4.113 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.003799/0.89, allocations: 2.056 MB / 1.311 GB, free: 4.059 MB / 0.9981 GB Notification: Performance of NFFlatten.flatten: time 0.003768/0.8938, allocations: 4.453 MB / 1.316 GB, free: 4.047 MB / 0.9981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001545/0.8954, allocations: 1.573 MB / 1.317 GB, free: 3.895 MB / 0.9981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001786/0.8972, allocations: 1.592 MB / 1.319 GB, free: 3.863 MB / 0.9981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001741/0.8989, allocations: 1.494 MB / 1.32 GB, free: 3.641 MB / 0.9981 GB Notification: Performance of NFPackage.collectConstants: time 0.0002465/0.8992, allocations: 184.2 kB / 1.32 GB, free: 3.641 MB / 0.9981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004871/0.904, allocations: 3.233 MB / 1.324 GB, free: 3.605 MB / 0.9981 GB Notification: Performance of NFScalarize.scalarize: time 0.0004957/0.9045, allocations: 0.7014 MB / 1.324 GB, free: 3.523 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 0.0009182/0.9055, allocations: 1.065 MB / 1.325 GB, free: 3.234 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.003461/0.9089, allocations: 3.783 MB / 1.329 GB, free: 2.793 MB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 3.326e-06/0.9089, allocations: 0 / 1.329 GB, free: 2.793 MB / 0.9981 GB Notification: Performance of FrontEnd: time 1.122e-06/0.909, allocations: 1.062 kB / 1.329 GB, free: 2.793 MB / 0.9981 GB Notification: Performance of Transformations before backend: time 1.671e-05/0.909, allocations: 0 / 1.329 GB, free: 2.793 MB / 0.9981 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 344 * Number of variables: 344 Notification: Performance of Generate backend data structure: time 0.003889/0.9129, allocations: 2.486 MB / 1.331 GB, free: 17.63 MB / 1.014 GB Notification: Performance of prepare preOptimizeDAE: time 3.133e-05/0.9129, allocations: 9.906 kB / 1.331 GB, free: 17.63 MB / 1.014 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.000209/0.9131, allocations: 202.4 kB / 1.332 GB, free: 17.59 MB / 1.014 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002758/0.9159, allocations: 0.5187 MB / 1.332 GB, free: 17.49 MB / 1.014 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001467/0.9174, allocations: 1.233 MB / 1.333 GB, free: 17.06 MB / 1.014 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.911e-05/0.9174, allocations: 101.3 kB / 1.333 GB, free: 17.05 MB / 1.014 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001597/0.9176, allocations: 139.5 kB / 1.334 GB, free: 17.05 MB / 1.014 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002021/0.9196, allocations: 1.672 MB / 1.335 GB, free: 16.85 MB / 1.014 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.849e-05/0.9197, allocations: 2.719 kB / 1.335 GB, free: 16.85 MB / 1.014 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001143/0.9198, allocations: 54.59 kB / 1.335 GB, free: 16.85 MB / 1.014 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.449e-05/0.9198, allocations: 74.73 kB / 1.335 GB, free: 16.85 MB / 1.014 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00194/0.9218, allocations: 1.447 MB / 1.337 GB, free: 16.83 MB / 1.014 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 0.006466/0.9283, allocations: 7.029 MB / 1.344 GB, free: 13.41 MB / 1.014 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001476/0.9297, allocations: 1.19 MB / 1.345 GB, free: 13.2 MB / 1.014 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0007193/0.9305, allocations: 0.615 MB / 1.345 GB, free: 13.05 MB / 1.014 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0008142/0.9313, allocations: 0.8659 MB / 1.346 GB, free: 12.1 MB / 1.014 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0007784/0.9321, allocations: 0.6072 MB / 1.347 GB, free: 11.85 MB / 1.014 GB Notification: Performance of pre-optimization done (n=110): time 2.414e-06/0.9321, allocations: 0 / 1.347 GB, free: 11.85 MB / 1.014 GB Notification: Performance of matching and sorting (n=110): time 0.00238/0.9345, allocations: 1.574 MB / 1.348 GB, free: 11.24 MB / 1.014 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.668e-05/0.9346, allocations: 90.7 kB / 1.348 GB, free: 11.14 MB / 1.014 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001174/0.9357, allocations: 1.198 MB / 1.35 GB, free: 10.68 MB / 1.014 GB Notification: Performance of collectPreVariables (initialization): time 8.075e-05/0.9358, allocations: 47.64 kB / 1.35 GB, free: 10.63 MB / 1.014 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004882/0.9363, allocations: 0.6745 MB / 1.35 GB, free: 10.11 MB / 1.014 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002989/0.9366, allocations: 388 kB / 1.351 GB, free: 9.809 MB / 1.014 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002544/0.9369, allocations: 179.3 kB / 1.351 GB, free: 9.723 MB / 1.014 GB Notification: Performance of setup shared object (initialization): time 0.0001373/0.937, allocations: 341 kB / 1.351 GB, free: 9.402 MB / 1.014 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006459/0.9377, allocations: 428.5 kB / 1.352 GB, free: 9.238 MB / 1.014 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007462/0.9384, allocations: 0.5606 MB / 1.352 GB, free: 8.953 MB / 1.014 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001422/0.9399, allocations: 1.013 MB / 1.353 GB, free: 8.449 MB / 1.014 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.046e-06/0.9399, allocations: 4 kB / 1.353 GB, free: 8.445 MB / 1.014 GB Notification: Performance of matching and sorting (n=126) (initialization): time 0.001744/0.9416, allocations: 1.218 MB / 1.354 GB, free: 7.949 MB / 1.014 GB Notification: Performance of prepare postOptimizeDAE: time 1.508e-05/0.9416, allocations: 10.75 kB / 1.354 GB, free: 7.945 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.113e-06/0.9417, allocations: 6.344 kB / 1.354 GB, free: 7.945 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.553e-05/0.9417, allocations: 6.656 kB / 1.354 GB, free: 7.945 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007995/0.9425, allocations: 220.6 kB / 1.355 GB, free: 7.934 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.017e-05/0.9425, allocations: 8.031 kB / 1.355 GB, free: 7.934 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009282/0.9434, allocations: 97.67 kB / 1.355 GB, free: 7.867 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.74e-05/0.9435, allocations: 36.62 kB / 1.355 GB, free: 7.859 MB / 1.014 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0009676/0.9445, allocations: 0.7384 MB / 1.355 GB, free: 7.504 MB / 1.014 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0007024/0.9452, allocations: 0.54 MB / 1.356 GB, free: 7.23 MB / 1.014 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001331/0.9465, allocations: 0.99 MB / 1.357 GB, free: 6.734 MB / 1.014 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.146e-06/0.9465, allocations: 3.875 kB / 1.357 GB, free: 6.734 MB / 1.014 GB Notification: Performance of matching and sorting (n=126) (initialization_lambda0): time 0.00164/0.9482, allocations: 1.195 MB / 1.358 GB, free: 6.234 MB / 1.014 GB Notification: Performance of prepare postOptimizeDAE: time 7.093e-06/0.9482, allocations: 4.938 kB / 1.358 GB, free: 6.234 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.548e-06/0.9482, allocations: 5.094 kB / 1.358 GB, free: 6.234 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (initialization): time 7.674e-06/0.9482, allocations: 9.312 kB / 1.358 GB, free: 6.23 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007637/0.949, allocations: 211.4 kB / 1.358 GB, free: 6.223 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.414e-06/0.949, allocations: 6.562 kB / 1.358 GB, free: 6.223 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008962/0.9499, allocations: 79.95 kB / 1.358 GB, free: 6.172 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.568e-05/0.95, allocations: 35.94 kB / 1.358 GB, free: 6.164 MB / 1.014 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 11 * Number of states: 0 () * Number of discrete variables: 5 ($PRE.mRoo_flow.nextTimeEvent,$whenCondition1,mRoo_flow.nextTimeEventScaled,$PRE.mRoo_flow.nextTimeEventScaled,mRoo_flow.nextTimeEvent) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (126): * Single equations (assignments): 126 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0002157/0.9502, allocations: 245.2 kB / 1.359 GB, free: 5.945 MB / 1.014 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001923/0.9504, allocations: 156.4 kB / 1.359 GB, free: 5.863 MB / 1.014 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001907/0.9523, allocations: 1.235 MB / 1.36 GB, free: 5.332 MB / 1.014 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.424e-06/0.9523, allocations: 10.91 kB / 1.36 GB, free: 5.332 MB / 1.014 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.649e-06/0.9523, allocations: 0 / 1.36 GB, free: 5.332 MB / 1.014 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001427/0.9538, allocations: 1.017 MB / 1.361 GB, free: 4.91 MB / 1.014 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003966/0.9578, allocations: 3.165 MB / 1.364 GB, free: 3.34 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.029e-06/0.9578, allocations: 6.625 kB / 1.364 GB, free: 3.336 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009394/0.9587, allocations: 235.9 kB / 1.364 GB, free: 3.324 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (simulation): time 5.31e-06/0.9587, allocations: 5.594 kB / 1.364 GB, free: 3.324 MB / 1.014 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.867e-05/0.9588, allocations: 25.67 kB / 1.364 GB, free: 3.312 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 7.664e-06/0.9588, allocations: 12.27 kB / 1.364 GB, free: 3.309 MB / 1.014 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.424e-06/0.9588, allocations: 5.938 kB / 1.364 GB, free: 3.309 MB / 1.014 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00246/0.9613, allocations: 1.911 MB / 1.366 GB, free: 2.391 MB / 1.014 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004595/0.9618, allocations: 353.6 kB / 1.367 GB, free: 2.141 MB / 1.014 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001728/0.9619, allocations: 24.94 kB / 1.367 GB, free: 2.125 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008154/0.9628, allocations: 45.25 kB / 1.367 GB, free: 2.102 MB / 1.014 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001314/0.9629, allocations: 71.23 kB / 1.367 GB, free: 2.09 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.526e-05/0.963, allocations: 43.97 kB / 1.367 GB, free: 2.078 MB / 1.014 GB Notification: Performance of sorting global known variables: time 0.0008368/0.9638, allocations: 0.8261 MB / 1.368 GB, free: 1.754 MB / 1.014 GB Notification: Performance of sort global known variables: time 5.91e-07/0.9638, allocations: 0 / 1.368 GB, free: 1.754 MB / 1.014 GB Notification: Performance of remove unused functions: time 0.001356/0.9652, allocations: 0.8382 MB / 1.368 GB, free: 1.586 MB / 1.014 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 11 * Number of states: 9 (roo.dynBal.medium.Xi[1],roo.dynBal.U,roo.dynBal.m,oriChiTop.mExc,oriBot.mExc,oriChiBot.mExc,sha.vol.dynBal.medium.Xi[1],sha.vol.dynBal.U,sha.vol.dynBal.m) * Number of discrete variables: 3 ($whenCondition1,mRoo_flow.nextTimeEvent,mRoo_flow.nextTimeEventScaled) * Number of discrete states: 2 (mRoo_flow.nextTimeEvent,mRoo_flow.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (110): * Single equations (assignments): 108 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.004412/0.9696, allocations: 2.938 MB / 1.371 GB, free: 15.85 MB / 1.029 GB Notification: Performance of simCode: created initialization part: time 0.003001/0.9726, allocations: 1.861 MB / 1.373 GB, free: 15.12 MB / 1.029 GB Notification: Performance of simCode: created event and clocks part: time 3.116e-06/0.9726, allocations: 0 / 1.373 GB, free: 15.12 MB / 1.029 GB Notification: Performance of simCode: created simulation system equations: time 0.0007733/0.9734, allocations: 0.5706 MB / 1.374 GB, free: 14.88 MB / 1.029 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003268/0.9767, allocations: 0.8661 MB / 1.374 GB, free: 14.43 MB / 1.029 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0141/0.9908, allocations: 12.03 MB / 1.386 GB, free: 6.082 MB / 1.029 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000972/0.9918, allocations: 1.368 MB / 1.388 GB, free: 4.684 MB / 1.029 GB Notification: Performance of simCode: alias equations: time 0.001533/0.9933, allocations: 459.5 kB / 1.388 GB, free: 4.23 MB / 1.029 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008232/0.9942, allocations: 0.6243 MB / 1.389 GB, free: 3.605 MB / 1.029 GB Notification: Performance of SimCode: time 5.51e-07/0.9942, allocations: 0 / 1.389 GB, free: 3.605 MB / 1.029 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 2.023/3.017, allocations: 42.32 MB / 1.43 GB, free: 9.852 MB / 1.076 GB Notification: Performance of buildModelFMU: Generate platform static: time 16.95/19.97, allocations: 5.344 kB / 1.43 GB, free: 9.848 MB / 1.076 GB (rm -f Buildings_11_Buildings.Airflow.Multizone.Examples.ChimneyShaftWithVolume.pipe ; mkfifo Buildings_11_Buildings.Airflow.Multizone.Examples.ChimneyShaftWithVolume.pipe ; head -c 1048576 < Buildings_11_Buildings.Airflow.Multizone.Examples.ChimneyShaftWithVolume.pipe >> ../files/Buildings_11_Buildings.Airflow.Multizone.Examples.ChimneyShaftWithVolume.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_11_Buildings.Airflow.Multizone.Examples.ChimneyShaftWithVolume_res.mat --tempDir=temp_Buildings_11_Buildings_Airflow_Multizone_Examples_ChimneyShaftWithVolume_fmu --startTime=0 --stopTime=3600 --timeout=400 --tolerance=1e-06 Buildings_11_Buildings_Airflow_Multizone_Examples_ChimneyShaftWithVolume.fmu > Buildings_11_Buildings.Airflow.Multizone.Examples.ChimneyShaftWithVolume.pipe 2>&1)