Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_IDEAS.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/IDEAS 3.0.0/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/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(IDEAS.Airflow.Multizone.Examples.ChimneyShaftWithVolume,fileNamePrefix="IDEAS_IDEAS_Airflow_Multizone_Examples_ChimneyShaftWithVolume",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.Airflow.Multizone.Examples.ChimneyShaftWithVolume,fileNamePrefix="IDEAS_IDEAS_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 0.008639/0.008639, allocations: 102.2 kB / 15.73 MB, free: 5.551 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001956/0.001956, allocations: 196.6 kB / 16.67 MB, free: 5.477 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.514/1.514, allocations: 222.9 MB / 240.4 MB, free: 15.16 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.9749/0.9749, allocations: 132.2 MB / 422.7 MB, free: 6.586 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.003024/0.003024, allocations: 72.89 kB / 0.5809 GB, free: 23.98 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2476/0.2506, allocations: 80.2 MB / 0.6592 GB, free: 10.75 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(IDEAS.Airflow.Multizone.Examples.ChimneyShaftWithVolume): time 0.7823/1.033, allocations: 235.8 MB / 0.8895 GB, free: 10.22 MB / 0.6544 GB Notification: Performance of NFInst.instExpressions: time 0.01931/1.052, allocations: 10.4 MB / 0.8997 GB, free: 15.8 MB / 0.67 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003673/1.056, allocations: 67.62 kB / 0.8997 GB, free: 15.73 MB / 0.67 GB Notification: Performance of NFTyping.typeComponents: time 0.003799/1.06, allocations: 1.189 MB / 0.9009 GB, free: 14.54 MB / 0.67 GB Notification: Performance of NFTyping.typeBindings: time 0.01118/1.071, allocations: 3.652 MB / 0.9045 GB, free: 10.87 MB / 0.67 GB Notification: Performance of NFTyping.typeClassSections: time 0.006698/1.078, allocations: 2.076 MB / 0.9065 GB, free: 8.801 MB / 0.67 GB Notification: Performance of NFFlatten.flatten: time 0.008047/1.086, allocations: 4.436 MB / 0.9108 GB, free: 4.352 MB / 0.67 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002869/1.089, allocations: 1.585 MB / 0.9124 GB, free: 2.73 MB / 0.67 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003725/1.093, allocations: 1.592 MB / 0.9139 GB, free: 1.133 MB / 0.67 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003742/1.096, allocations: 1.503 MB / 0.9154 GB, free: 15.63 MB / 0.6856 GB Notification: Performance of NFPackage.collectConstants: time 0.0006108/1.097, allocations: 184 kB / 0.9156 GB, free: 15.45 MB / 0.6856 GB Notification: Performance of NFFlatten.collectFunctions: time 0.008322/1.105, allocations: 3.242 MB / 0.9187 GB, free: 12.2 MB / 0.6856 GB Notification: Performance of NFScalarize.scalarize: time 0.001309/1.107, allocations: 0.6934 MB / 0.9194 GB, free: 11.51 MB / 0.6856 GB Notification: Performance of NFVerifyModel.verify: time 0.001946/1.109, allocations: 1.065 MB / 0.9204 GB, free: 10.44 MB / 0.6856 GB Notification: Performance of NFConvertDAE.convert: time 0.01018/1.119, allocations: 3.843 MB / 0.9242 GB, free: 6.582 MB / 0.6856 GB Notification: Performance of FrontEnd - DAE generated: time 1.192e-05/1.119, allocations: 4 kB / 0.9242 GB, free: 6.578 MB / 0.6856 GB Notification: Performance of FrontEnd: time 3.046e-06/1.119, allocations: 0 / 0.9242 GB, free: 6.578 MB / 0.6856 GB Notification: Performance of Transformations before backend: time 8.093e-05/1.119, allocations: 0 / 0.9242 GB, free: 6.578 MB / 0.6856 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 0.006792/1.126, allocations: 2.549 MB / 0.9267 GB, free: 3.969 MB / 0.6856 GB Notification: Performance of prepare preOptimizeDAE: time 5.2e-05/1.126, allocations: 15.97 kB / 0.9267 GB, free: 3.953 MB / 0.6856 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.000293/1.126, allocations: 198.6 kB / 0.9269 GB, free: 3.75 MB / 0.6856 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003563/1.13, allocations: 0.5295 MB / 0.9274 GB, free: 3.219 MB / 0.6856 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002771/1.132, allocations: 1.3 MB / 0.9287 GB, free: 1.863 MB / 0.6856 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001025/1.133, allocations: 102.6 kB / 0.9288 GB, free: 1.762 MB / 0.6856 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002375/1.133, allocations: 143.9 kB / 0.9289 GB, free: 1.621 MB / 0.6856 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00316/1.136, allocations: 1.678 MB / 0.9306 GB, free: 15.87 MB / 0.7012 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.105e-05/1.136, allocations: 4 kB / 0.9306 GB, free: 15.87 MB / 0.7012 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001388/1.136, allocations: 55.94 kB / 0.9306 GB, free: 15.82 MB / 0.7012 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.221e-05/1.136, allocations: 66.58 kB / 0.9307 GB, free: 15.75 MB / 0.7012 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002761/1.139, allocations: 1.443 MB / 0.9321 GB, free: 14.3 MB / 0.7012 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 0.01096/1.15, allocations: 6.986 MB / 0.9389 GB, free: 6.855 MB / 0.7012 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002093/1.152, allocations: 1.177 MB / 0.9401 GB, free: 5.637 MB / 0.7012 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00102/1.153, allocations: 0.6123 MB / 0.9407 GB, free: 5.023 MB / 0.7012 GB Notification: Performance of preOpt evalFunc (simulation): time 0.00104/1.154, allocations: 0.8555 MB / 0.9415 GB, free: 3.984 MB / 0.7012 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001201/1.155, allocations: 0.6219 MB / 0.9421 GB, free: 3.344 MB / 0.7012 GB Notification: Performance of pre-optimization done (n=110): time 7.294e-06/1.155, allocations: 0 / 0.9421 GB, free: 3.344 MB / 0.7012 GB Notification: Performance of matching and sorting (n=110): time 0.003573/1.159, allocations: 1.577 MB / 0.9436 GB, free: 1.766 MB / 0.7012 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.034e-05/1.159, allocations: 86.11 kB / 0.9437 GB, free: 1.664 MB / 0.7012 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002042/1.161, allocations: 1.19 MB / 0.9449 GB, free: 464 kB / 0.7012 GB Notification: Performance of collectPreVariables (initialization): time 0.0001286/1.161, allocations: 53.69 kB / 0.9449 GB, free: 404 kB / 0.7012 GB Notification: Performance of collectInitialEqns (initialization): time 0.0008048/1.162, allocations: 0.6827 MB / 0.9456 GB, free: 15.71 MB / 0.7169 GB Notification: Performance of collectInitialBindings (initialization): time 0.0004856/1.163, allocations: 404.5 kB / 0.946 GB, free: 15.31 MB / 0.7169 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003402/1.163, allocations: 178.6 kB / 0.9462 GB, free: 15.12 MB / 0.7169 GB Notification: Performance of setup shared object (initialization): time 0.0001828/1.163, allocations: 341.9 kB / 0.9465 GB, free: 14.79 MB / 0.7169 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0008325/1.164, allocations: 432.6 kB / 0.9469 GB, free: 14.36 MB / 0.7169 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0009857/1.165, allocations: 0.5651 MB / 0.9474 GB, free: 13.75 MB / 0.7169 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001785/1.167, allocations: 1.013 MB / 0.9484 GB, free: 12.71 MB / 0.7169 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.539e-06/1.167, allocations: 0 / 0.9484 GB, free: 12.71 MB / 0.7169 GB Notification: Performance of matching and sorting (n=126) (initialization): time 0.002477/1.169, allocations: 1.223 MB / 0.9496 GB, free: 11.48 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 2.736e-05/1.169, allocations: 7.938 kB / 0.9496 GB, free: 11.47 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.927e-05/1.169, allocations: 4 kB / 0.9496 GB, free: 11.46 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.031e-05/1.169, allocations: 8 kB / 0.9496 GB, free: 11.46 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000998/1.17, allocations: 211.7 kB / 0.9498 GB, free: 11.25 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.686e-05/1.17, allocations: 11.94 kB / 0.9499 GB, free: 11.24 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001313/1.172, allocations: 103.6 kB / 0.95 GB, free: 11.14 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.912e-05/1.172, allocations: 36 kB / 0.95 GB, free: 11.1 MB / 0.7169 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00142/1.173, allocations: 0.7361 MB / 0.9507 GB, free: 10.36 MB / 0.7169 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0008776/1.174, allocations: 0.5535 MB / 0.9513 GB, free: 9.766 MB / 0.7169 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001666/1.176, allocations: 0.9893 MB / 0.9522 GB, free: 8.746 MB / 0.7169 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.961e-06/1.176, allocations: 11.88 kB / 0.9522 GB, free: 8.734 MB / 0.7169 GB Notification: Performance of matching and sorting (n=126) (initialization_lambda0): time 0.002408/1.178, allocations: 1.193 MB / 0.9534 GB, free: 7.531 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 1.916e-05/1.178, allocations: 8 kB / 0.9534 GB, free: 7.523 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.788e-06/1.178, allocations: 3.938 kB / 0.9534 GB, free: 7.52 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.621e-05/1.178, allocations: 11.98 kB / 0.9534 GB, free: 7.508 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009437/1.179, allocations: 215.7 kB / 0.9536 GB, free: 7.297 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.272e-05/1.179, allocations: 4 kB / 0.9536 GB, free: 7.293 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001253/1.181, allocations: 85.3 kB / 0.9537 GB, free: 7.211 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.273e-05/1.181, allocations: 36 kB / 0.9537 GB, free: 7.176 MB / 0.7169 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 0.0003717/1.181, allocations: 240.2 kB / 0.954 GB, free: 6.934 MB / 0.7169 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002902/1.181, allocations: 159 kB / 0.9541 GB, free: 6.777 MB / 0.7169 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002506/1.184, allocations: 1.246 MB / 0.9553 GB, free: 5.527 MB / 0.7169 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.339e-05/1.184, allocations: 8 kB / 0.9553 GB, free: 5.52 MB / 0.7169 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.653e-06/1.184, allocations: 7.938 kB / 0.9554 GB, free: 5.512 MB / 0.7169 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001745/1.186, allocations: 1.007 MB / 0.9563 GB, free: 4.492 MB / 0.7169 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00541/1.191, allocations: 3.159 MB / 0.9594 GB, free: 1.211 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.432e-06/1.191, allocations: 0 / 0.9594 GB, free: 1.211 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001119/1.192, allocations: 239.8 kB / 0.9597 GB, free: 0.9766 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.267e-05/1.192, allocations: 8 kB / 0.9597 GB, free: 0.9688 MB / 0.7169 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.767e-05/1.192, allocations: 24.31 kB / 0.9597 GB, free: 0.9453 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.465e-05/1.192, allocations: 19.92 kB / 0.9597 GB, free: 0.9258 MB / 0.7169 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.061e-06/1.192, allocations: 4 kB / 0.9597 GB, free: 0.9219 MB / 0.7169 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003304/1.196, allocations: 1.992 MB / 0.9617 GB, free: 14.88 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0006893/1.196, allocations: 363.8 kB / 0.962 GB, free: 14.51 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001843/1.197, allocations: 24 kB / 0.962 GB, free: 14.48 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008402/1.197, allocations: 47.91 kB / 0.9621 GB, free: 14.44 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001803/1.198, allocations: 72.94 kB / 0.9621 GB, free: 14.37 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.214e-05/1.198, allocations: 35.98 kB / 0.9622 GB, free: 14.33 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.001207/1.199, allocations: 0.8297 MB / 0.963 GB, free: 13.5 MB / 0.7325 GB Notification: Performance of sort global known variables: time 1.6e-07/1.199, allocations: 0 / 0.963 GB, free: 13.5 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.001933/1.201, allocations: 0.8382 MB / 0.9638 GB, free: 12.66 MB / 0.7325 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 11 * Number of states: 9 (roo.dynBal.U,roo.dynBal.m,roo.dynBal.mXi[1],oriChiTop.mExc,oriBot.mExc,oriChiBot.mExc,sha.vol.dynBal.U,sha.vol.dynBal.m,sha.vol.dynBal.mXi[1]) * 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 0.005454/1.206, allocations: 3.041 MB / 0.9668 GB, free: 9.762 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.003106/1.209, allocations: 1.62 MB / 0.9684 GB, free: 8.145 MB / 0.7325 GB Notification: Performance of simCode: created event and clocks part: time 6.582e-06/1.209, allocations: 0 / 0.9684 GB, free: 8.145 MB / 0.7325 GB Notification: Performance of simCode: created simulation system equations: time 0.0009836/1.21, allocations: 0.5681 MB / 0.9689 GB, free: 7.578 MB / 0.7325 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004132/1.215, allocations: 0.8736 MB / 0.9698 GB, free: 6.742 MB / 0.7325 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01829/1.233, allocations: 11.16 MB / 0.9807 GB, free: 11.33 MB / 0.7481 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001316/1.234, allocations: 1.368 MB / 0.982 GB, free: 9.934 MB / 0.7481 GB Notification: Performance of simCode: alias equations: time 0.001999/1.236, allocations: 455.6 kB / 0.9824 GB, free: 9.484 MB / 0.7481 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001061/1.237, allocations: 0.6242 MB / 0.983 GB, free: 8.859 MB / 0.7481 GB Notification: Performance of SimCode: time 1.163e-06/1.237, allocations: 0 / 0.983 GB, free: 8.859 MB / 0.7481 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1014/1.339, allocations: 42.76 MB / 1.025 GB, free: 14.44 MB / 0.795 GB Notification: Performance of buildModelFMU: Generate platform static: time 11.02/12.36, allocations: 14.75 kB / 1.025 GB, free: 14.43 MB / 0.795 GB (rm -f IDEAS_IDEAS.Airflow.Multizone.Examples.ChimneyShaftWithVolume.pipe ; mkfifo IDEAS_IDEAS.Airflow.Multizone.Examples.ChimneyShaftWithVolume.pipe ; head -c 1048576 < IDEAS_IDEAS.Airflow.Multizone.Examples.ChimneyShaftWithVolume.pipe >> ../files/IDEAS_IDEAS.Airflow.Multizone.Examples.ChimneyShaftWithVolume.sim & python3 -m fmpy simulate --output-file IDEAS_IDEAS.Airflow.Multizone.Examples.ChimneyShaftWithVolume_res.csv --start-time 0 --stop-time 3600 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 1.44 IDEAS_IDEAS_Airflow_Multizone_Examples_ChimneyShaftWithVolume.fmu > IDEAS_IDEAS.Airflow.Multizone.Examples.ChimneyShaftWithVolume.pipe 2>&1)