Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.Airflow.Multizone.Examples.ChimneyShaftNoVolume.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-master/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/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: translateModel(IDEAS.Airflow.Multizone.Examples.ChimneyShaftNoVolume,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Airflow.Multizone.Examples.ChimneyShaftNoVolume") translateModel(IDEAS.Airflow.Multizone.Examples.ChimneyShaftNoVolume,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Airflow.Multizone.Examples.ChimneyShaftNoVolume") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001458/0.001458, allocations: 111.5 kB / 16.41 MB, free: 5.938 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001381/0.001381, allocations: 188.2 kB / 17.34 MB, free: 5.566 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.408/1.408, allocations: 222.9 MB / 241 MB, free: 15.21 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.8795/0.8795, allocations: 135.2 MB / 426.4 MB, free: 4.094 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001896/0.001896, allocations: 67.98 kB / 0.5863 GB, free: 21.68 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1875/0.1894, allocations: 80.93 MB / 0.6654 GB, free: 5.727 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(IDEAS.Airflow.Multizone.Examples.ChimneyShaftNoVolume): time 0.6356/0.825, allocations: 168 MB / 0.8294 GB, free: 15.45 MB / 0.6075 GB Notification: Performance of NFInst.instExpressions: time 0.01469/0.8397, allocations: 8.909 MB / 0.8381 GB, free: 8.203 MB / 0.6075 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002295/0.842, allocations: 47.22 kB / 0.8382 GB, free: 8.184 MB / 0.6075 GB Notification: Performance of NFTyping.typeComponents: time 0.002099/0.8441, allocations: 0.6488 MB / 0.8388 GB, free: 7.652 MB / 0.6075 GB Notification: Performance of NFTyping.typeBindings: time 0.005029/0.8491, allocations: 1.527 MB / 0.8403 GB, free: 6.453 MB / 0.6075 GB Notification: Performance of NFTyping.typeClassSections: time 0.003625/0.8527, allocations: 1.196 MB / 0.8415 GB, free: 5.543 MB / 0.6075 GB Notification: Performance of NFFlatten.flatten: time 0.004459/0.8572, allocations: 2.696 MB / 0.8441 GB, free: 3.977 MB / 0.6075 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001489/0.8587, allocations: 0.8143 MB / 0.8449 GB, free: 3.41 MB / 0.6075 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00276/0.8614, allocations: 1.027 MB / 0.8459 GB, free: 2.824 MB / 0.6075 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001643/0.8631, allocations: 1.005 MB / 0.8469 GB, free: 2.234 MB / 0.6075 GB Notification: Performance of NFPackage.collectConstants: time 0.0001574/0.8632, allocations: 93.88 kB / 0.847 GB, free: 2.234 MB / 0.6075 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002429/0.8656, allocations: 1.052 MB / 0.848 GB, free: 1.75 MB / 0.6075 GB Notification: Performance of NFScalarize.scalarize: time 0.0003201/0.866, allocations: 288.8 kB / 0.8483 GB, free: 1.523 MB / 0.6075 GB Notification: Performance of NFVerifyModel.verify: time 0.0007156/0.8667, allocations: 0.6032 MB / 0.8489 GB, free: 1.121 MB / 0.6075 GB Notification: Performance of NFConvertDAE.convert: time 0.0028/0.8695, allocations: 1.756 MB / 0.8506 GB, free: 15.97 MB / 0.6231 GB Notification: Performance of FrontEnd - DAE generated: time 3.807e-06/0.8695, allocations: 0 / 0.8506 GB, free: 15.97 MB / 0.6231 GB Notification: Performance of FrontEnd: time 1.593e-06/0.8695, allocations: 0 / 0.8506 GB, free: 15.97 MB / 0.6231 GB Notification: Performance of Transformations before backend: time 2.032e-05/0.8695, allocations: 2.625 kB / 0.8506 GB, free: 15.97 MB / 0.6231 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 195 * Number of variables: 195 Notification: Performance of Generate backend data structure: time 0.002843/0.8724, allocations: 1.611 MB / 0.8521 GB, free: 14.72 MB / 0.6231 GB Notification: Performance of prepare preOptimizeDAE: time 3.597e-05/0.8724, allocations: 8.953 kB / 0.8521 GB, free: 14.72 MB / 0.6231 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.000334/0.8727, allocations: 140.3 kB / 0.8523 GB, free: 14.65 MB / 0.6231 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001513/0.8742, allocations: 0.8971 MB / 0.8532 GB, free: 13.94 MB / 0.6231 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.203e-05/0.8743, allocations: 56.38 kB / 0.8532 GB, free: 13.91 MB / 0.6231 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001109/0.8744, allocations: 77.38 kB / 0.8533 GB, free: 13.89 MB / 0.6231 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001437/0.8758, allocations: 0.8706 MB / 0.8541 GB, free: 13.32 MB / 0.6231 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.531e-05/0.8759, allocations: 4 kB / 0.8541 GB, free: 13.31 MB / 0.6231 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.145e-05/0.8759, allocations: 31.56 kB / 0.8542 GB, free: 13.29 MB / 0.6231 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.602e-05/0.876, allocations: 20.47 kB / 0.8542 GB, free: 13.29 MB / 0.6231 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001112/0.8771, allocations: 0.6336 MB / 0.8548 GB, free: 12.97 MB / 0.6231 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 0.004865/0.8819, allocations: 3.974 MB / 0.8587 GB, free: 8.738 MB / 0.6231 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001175/0.8831, allocations: 0.5345 MB / 0.8592 GB, free: 8.195 MB / 0.6231 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004896/0.8836, allocations: 258.4 kB / 0.8595 GB, free: 7.941 MB / 0.6231 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001095/0.8847, allocations: 1.243 MB / 0.8607 GB, free: 6.422 MB / 0.6231 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0006373/0.8853, allocations: 335 kB / 0.861 GB, free: 6.086 MB / 0.6231 GB Notification: Performance of pre-optimization done (n=63): time 2.715e-06/0.8853, allocations: 4 kB / 0.861 GB, free: 6.082 MB / 0.6231 GB Notification: Performance of matching and sorting (n=63): time 0.002586/0.8879, allocations: 1.131 MB / 0.8621 GB, free: 4.902 MB / 0.6231 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.66e-05/0.888, allocations: 85.67 kB / 0.8622 GB, free: 4.801 MB / 0.6231 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001138/0.8891, allocations: 0.8767 MB / 0.863 GB, free: 3.898 MB / 0.6231 GB Notification: Performance of collectPreVariables (initialization): time 5.759e-05/0.8892, allocations: 37.7 kB / 0.8631 GB, free: 3.855 MB / 0.6231 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004268/0.8896, allocations: 468.8 kB / 0.8635 GB, free: 3.395 MB / 0.6231 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002161/0.8898, allocations: 234 kB / 0.8637 GB, free: 3.164 MB / 0.6231 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00019/0.89, allocations: 114.3 kB / 0.8639 GB, free: 3.047 MB / 0.6231 GB Notification: Performance of setup shared object (initialization): time 0.000151/0.8902, allocations: 330 kB / 0.8642 GB, free: 2.719 MB / 0.6231 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004263/0.8906, allocations: 211.4 kB / 0.8644 GB, free: 2.512 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005161/0.8911, allocations: 312.4 kB / 0.8647 GB, free: 2.172 MB / 0.6231 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.000954/0.8921, allocations: 0.5308 MB / 0.8652 GB, free: 1.605 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.781e-06/0.8921, allocations: 4 kB / 0.8652 GB, free: 1.602 MB / 0.6231 GB Notification: Performance of matching and sorting (n=75) (initialization): time 0.001372/0.8934, allocations: 0.7099 MB / 0.8659 GB, free: 0.8867 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 2.942e-05/0.8935, allocations: 8 kB / 0.8659 GB, free: 0.8789 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.155e-06/0.8935, allocations: 4.281 kB / 0.8659 GB, free: 0.875 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005877/0.8941, allocations: 108.8 kB / 0.866 GB, free: 0.7656 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004481/0.8945, allocations: 115.8 kB / 0.8661 GB, free: 0.6523 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.000669/0.8952, allocations: 0.6617 MB / 0.8668 GB, free: 15.96 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005346/0.8957, allocations: 71.53 kB / 0.8668 GB, free: 15.89 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.173e-05/0.8958, allocations: 27.98 kB / 0.8669 GB, free: 15.86 MB / 0.6387 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0006721/0.8964, allocations: 393.3 kB / 0.8672 GB, free: 15.48 MB / 0.6387 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.000466/0.8969, allocations: 296.4 kB / 0.8675 GB, free: 15.15 MB / 0.6387 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0008605/0.8978, allocations: 0.5113 MB / 0.868 GB, free: 14.61 MB / 0.6387 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.824e-06/0.8978, allocations: 0 / 0.868 GB, free: 14.61 MB / 0.6387 GB Notification: Performance of matching and sorting (n=75) (initialization_lambda0): time 0.001255/0.899, allocations: 0.6904 MB / 0.8687 GB, free: 13.9 MB / 0.6387 GB Notification: Performance of prepare postOptimizeDAE: time 1.117e-05/0.899, allocations: 4.281 kB / 0.8687 GB, free: 13.9 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.859e-06/0.899, allocations: 8 kB / 0.8687 GB, free: 13.89 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004608/0.8995, allocations: 108.8 kB / 0.8688 GB, free: 13.78 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004033/0.8999, allocations: 111.8 kB / 0.8689 GB, free: 13.67 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.000593/0.9005, allocations: 0.6655 MB / 0.8696 GB, free: 12.98 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004736/0.901, allocations: 48.91 kB / 0.8696 GB, free: 12.93 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.436e-05/0.901, allocations: 24 kB / 0.8696 GB, free: 12.91 MB / 0.6387 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 10 * 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 (67): * Single equations (assignments): 66 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(2,7)} Notification: Performance of prepare postOptimizeDAE: time 0.0002909/0.9013, allocations: 226 kB / 0.8698 GB, free: 12.68 MB / 0.6387 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001937/0.9015, allocations: 103.3 kB / 0.8699 GB, free: 12.58 MB / 0.6387 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002062/0.9036, allocations: 0.9382 MB / 0.8709 GB, free: 11.63 MB / 0.6387 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.559e-05/0.9036, allocations: 15.98 kB / 0.8709 GB, free: 11.62 MB / 0.6387 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.815e-06/0.9036, allocations: 0 / 0.8709 GB, free: 11.62 MB / 0.6387 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.00144/0.9051, allocations: 0.8387 MB / 0.8717 GB, free: 10.72 MB / 0.6387 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003625/0.9087, allocations: 1.85 MB / 0.8735 GB, free: 8.809 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.178e-06/0.9087, allocations: 3.938 kB / 0.8735 GB, free: 8.805 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004763/0.9092, allocations: 100.8 kB / 0.8736 GB, free: 8.707 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0006125/0.9098, allocations: 153.6 kB / 0.8737 GB, free: 8.551 MB / 0.6387 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.545e-05/0.9098, allocations: 27.92 kB / 0.8738 GB, free: 8.523 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001164/0.911, allocations: 1.241 MB / 0.875 GB, free: 7.23 MB / 0.6387 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.639e-06/0.911, allocations: 4.031 kB / 0.875 GB, free: 7.227 MB / 0.6387 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002407/0.9134, allocations: 1.277 MB / 0.8762 GB, free: 5.918 MB / 0.6387 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004525/0.9139, allocations: 260.3 kB / 0.8765 GB, free: 5.645 MB / 0.6387 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001405/0.914, allocations: 27.92 kB / 0.8765 GB, free: 5.617 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004387/0.9144, allocations: 19.98 kB / 0.8765 GB, free: 5.598 MB / 0.6387 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001221/0.9146, allocations: 48.59 kB / 0.8766 GB, free: 5.551 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.773e-05/0.9146, allocations: 23.98 kB / 0.8766 GB, free: 5.527 MB / 0.6387 GB Notification: Performance of sorting global known variables: time 0.0008551/0.9155, allocations: 0.613 MB / 0.8772 GB, free: 4.902 MB / 0.6387 GB Notification: Performance of sort global known variables: time 8e-08/0.9155, allocations: 4 kB / 0.8772 GB, free: 4.898 MB / 0.6387 GB Notification: Performance of remove unused functions: time 0.001512/0.917, allocations: 0.565 MB / 0.8777 GB, free: 4.332 MB / 0.6387 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 5 (roo.dynBal.U,roo.dynBal.m,oriChiTop.mExc,oriBot.mExc,oriChiBot.mExc) * 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 (62): * Single equations (assignments): 54 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(2,9), (1,2)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002198/0.9192, allocations: 0.71 MB / 0.8784 GB, free: 3.785 MB / 0.6387 GB Notification: Performance of simCode: created initialization part: time 0.002053/0.9212, allocations: 0.8793 MB / 0.8793 GB, free: 2.91 MB / 0.6387 GB Notification: Performance of simCode: created event and clocks part: time 3.827e-06/0.9212, allocations: 0 / 0.8793 GB, free: 2.91 MB / 0.6387 GB Notification: Performance of simCode: created simulation system equations: time 0.0007603/0.922, allocations: 363.5 kB / 0.8796 GB, free: 2.559 MB / 0.6387 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002104/0.9241, allocations: 461.9 kB / 0.8801 GB, free: 2.121 MB / 0.6387 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003714/0.9278, allocations: 2.116 MB / 0.8822 GB, free: 15.95 MB / 0.6544 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006984/0.9285, allocations: 1.072 MB / 0.8832 GB, free: 14.85 MB / 0.6544 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002757/0.9288, allocations: 83.41 kB / 0.8833 GB, free: 14.77 MB / 0.6544 GB Notification: Performance of SimCode: time 7.51e-07/0.9288, allocations: 0 / 0.8833 GB, free: 14.77 MB / 0.6544 GB Notification: Performance of Templates: time 0.03398/0.9628, allocations: 23.51 MB / 0.9062 GB, free: 7.352 MB / 0.67 GB make -j1 -f IDEAS_dev_IDEAS.Airflow.Multizone.Examples.ChimneyShaftNoVolume.makefile (rm -f IDEAS_dev_IDEAS.Airflow.Multizone.Examples.ChimneyShaftNoVolume.pipe ; mkfifo IDEAS_dev_IDEAS.Airflow.Multizone.Examples.ChimneyShaftNoVolume.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Airflow.Multizone.Examples.ChimneyShaftNoVolume.pipe >> ../files/IDEAS_dev_IDEAS.Airflow.Multizone.Examples.ChimneyShaftNoVolume.sim & ./IDEAS_dev_IDEAS.Airflow.Multizone.Examples.ChimneyShaftNoVolume -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_dev_IDEAS.Airflow.Multizone.Examples.ChimneyShaftNoVolume.pipe 2>&1)