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 0.009383/0.009383, allocations: 100.8 kB / 15.73 MB, free: 6.047 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001453/0.001454, allocations: 188 kB / 16.67 MB, free: 5.977 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.485/1.485, allocations: 222.9 MB / 240.4 MB, free: 4.316 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 1.045/1.045, allocations: 135.1 MB / 425.7 MB, free: 11.98 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001177/0.001177, allocations: 59.91 kB / 0.5856 GB, free: 3.375 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4871/0.4883, allocations: 80.92 MB / 0.6646 GB, free: 7.598 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(IDEAS.Airflow.Multizone.Examples.ChimneyShaftNoVolume): time 0.1962/0.6845, allocations: 167.6 MB / 0.8283 GB, free: 9.488 MB / 0.6544 GB Notification: Performance of NFInst.instExpressions: time 0.01413/0.6987, allocations: 8.892 MB / 0.837 GB, free: 0.5742 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002128/0.7009, allocations: 43.75 kB / 0.837 GB, free: 0.5312 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.002339/0.7032, allocations: 0.6445 MB / 0.8376 GB, free: 15.88 MB / 0.67 GB Notification: Performance of NFTyping.typeBindings: time 0.00483/0.7082, allocations: 1.524 MB / 0.8391 GB, free: 14.35 MB / 0.67 GB Notification: Performance of NFTyping.typeClassSections: time 0.003521/0.7117, allocations: 1.193 MB / 0.8403 GB, free: 13.16 MB / 0.67 GB Notification: Performance of NFFlatten.flatten: time 0.004168/0.7159, allocations: 2.716 MB / 0.8429 GB, free: 10.44 MB / 0.67 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001838/0.7178, allocations: 0.9569 MB / 0.8439 GB, free: 9.465 MB / 0.67 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002764/0.7205, allocations: 1.033 MB / 0.8449 GB, free: 8.43 MB / 0.67 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001916/0.7225, allocations: 0.996 MB / 0.8458 GB, free: 7.43 MB / 0.67 GB Notification: Performance of NFPackage.collectConstants: time 0.000399/0.7229, allocations: 96 kB / 0.8459 GB, free: 7.336 MB / 0.67 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002819/0.7257, allocations: 1.045 MB / 0.847 GB, free: 6.289 MB / 0.67 GB Notification: Performance of NFScalarize.scalarize: time 0.0004778/0.7262, allocations: 286.9 kB / 0.8472 GB, free: 6.008 MB / 0.67 GB Notification: Performance of NFVerifyModel.verify: time 0.001133/0.7274, allocations: 0.6101 MB / 0.8478 GB, free: 5.395 MB / 0.67 GB Notification: Performance of NFConvertDAE.convert: time 0.003777/0.7311, allocations: 1.743 MB / 0.8495 GB, free: 3.648 MB / 0.67 GB Notification: Performance of FrontEnd - DAE generated: time 6.603e-06/0.7312, allocations: 4 kB / 0.8495 GB, free: 3.645 MB / 0.67 GB Notification: Performance of FrontEnd: time 1.343e-06/0.7312, allocations: 4 kB / 0.8495 GB, free: 3.641 MB / 0.67 GB Notification: Performance of Transformations before backend: time 6.484e-05/0.7312, allocations: 0 / 0.8495 GB, free: 3.641 MB / 0.67 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 0.00377/0.735, allocations: 1.555 MB / 0.8511 GB, free: 2.031 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 4.445e-05/0.7351, allocations: 19.95 kB / 0.8511 GB, free: 2.012 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0004736/0.7356, allocations: 135.3 kB / 0.8512 GB, free: 1.879 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001877/0.7374, allocations: 0.8786 MB / 0.8521 GB, free: 0.957 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.978e-05/0.7375, allocations: 62 kB / 0.8521 GB, free: 0.8984 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001505/0.7377, allocations: 79.91 kB / 0.8522 GB, free: 0.8203 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001682/0.7394, allocations: 0.8733 MB / 0.8531 GB, free: 15.9 MB / 0.6856 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.202e-05/0.7394, allocations: 7.938 kB / 0.8531 GB, free: 15.89 MB / 0.6856 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.358e-05/0.7395, allocations: 32 kB / 0.8531 GB, free: 15.86 MB / 0.6856 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.718e-05/0.7395, allocations: 16 kB / 0.8531 GB, free: 15.84 MB / 0.6856 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001282/0.7408, allocations: 0.6324 MB / 0.8537 GB, free: 15.21 MB / 0.6856 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 0.005492/0.7463, allocations: 3.954 MB / 0.8576 GB, free: 11 MB / 0.6856 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001221/0.7476, allocations: 0.5722 MB / 0.8581 GB, free: 10.42 MB / 0.6856 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005162/0.7481, allocations: 292 kB / 0.8584 GB, free: 10.14 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001094/0.7492, allocations: 1.247 MB / 0.8596 GB, free: 8.613 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0006436/0.7499, allocations: 323 kB / 0.8599 GB, free: 8.289 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=63): time 3.747e-06/0.7499, allocations: 0 / 0.8599 GB, free: 8.289 MB / 0.6856 GB Notification: Performance of matching and sorting (n=63): time 0.002593/0.7525, allocations: 1.138 MB / 0.8611 GB, free: 7.105 MB / 0.6856 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.953e-05/0.7526, allocations: 85.67 kB / 0.8611 GB, free: 7.004 MB / 0.6856 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001109/0.7537, allocations: 0.8689 MB / 0.862 GB, free: 6.109 MB / 0.6856 GB Notification: Performance of collectPreVariables (initialization): time 5.257e-05/0.7537, allocations: 41.7 kB / 0.862 GB, free: 6.062 MB / 0.6856 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003906/0.7541, allocations: 472.1 kB / 0.8625 GB, free: 5.598 MB / 0.6856 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002051/0.7543, allocations: 208.9 kB / 0.8627 GB, free: 5.391 MB / 0.6856 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001904/0.7545, allocations: 118.2 kB / 0.8628 GB, free: 5.27 MB / 0.6856 GB Notification: Performance of setup shared object (initialization): time 0.0001374/0.7547, allocations: 333.9 kB / 0.8631 GB, free: 4.938 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000401/0.7551, allocations: 219.4 kB / 0.8633 GB, free: 4.719 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004807/0.7556, allocations: 312.4 kB / 0.8636 GB, free: 4.387 MB / 0.6856 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008832/0.7565, allocations: 0.5347 MB / 0.8641 GB, free: 3.82 MB / 0.6856 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.847e-06/0.7565, allocations: 0 / 0.8641 GB, free: 3.82 MB / 0.6856 GB Notification: Performance of matching and sorting (n=75) (initialization): time 0.001351/0.7578, allocations: 0.7096 MB / 0.8648 GB, free: 3.102 MB / 0.6856 GB Notification: Performance of prepare postOptimizeDAE: time 2.215e-05/0.7579, allocations: 8 kB / 0.8648 GB, free: 3.094 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.277e-06/0.7579, allocations: 0 / 0.8648 GB, free: 3.094 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005865/0.7585, allocations: 116.8 kB / 0.865 GB, free: 2.977 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004435/0.7589, allocations: 111.9 kB / 0.8651 GB, free: 2.867 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0005919/0.7595, allocations: 0.6694 MB / 0.8657 GB, free: 2.172 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004999/0.76, allocations: 67.3 kB / 0.8658 GB, free: 2.105 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.817e-05/0.7601, allocations: 24 kB / 0.8658 GB, free: 2.082 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0006623/0.7608, allocations: 393.3 kB / 0.8662 GB, free: 1.691 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0005163/0.7613, allocations: 300.5 kB / 0.8665 GB, free: 1.367 MB / 0.6856 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0008548/0.7622, allocations: 0.5113 MB / 0.867 GB, free: 0.8281 MB / 0.6856 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.084e-06/0.7622, allocations: 0 / 0.867 GB, free: 0.8281 MB / 0.6856 GB Notification: Performance of matching and sorting (n=75) (initialization_lambda0): time 0.001291/0.7635, allocations: 0.6901 MB / 0.8676 GB, free: 128 kB / 0.6856 GB Notification: Performance of prepare postOptimizeDAE: time 1.706e-05/0.7635, allocations: 8 kB / 0.8676 GB, free: 120 kB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.948e-06/0.7635, allocations: 0 / 0.8676 GB, free: 120 kB / 0.6856 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004699/0.764, allocations: 108.8 kB / 0.8677 GB, free: 8 kB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.4488/1.213, allocations: 108 kB / 0.8678 GB, free: 192.3 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007131/1.214, allocations: 0.6644 MB / 0.8685 GB, free: 191.8 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007255/1.214, allocations: 48.91 kB / 0.8685 GB, free: 191.8 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.466e-05/1.214, allocations: 25.64 kB / 0.8686 GB, free: 191.8 MB / 0.6856 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 0.0002736/1.215, allocations: 222.2 kB / 0.8688 GB, free: 191.6 MB / 0.6856 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001912/1.215, allocations: 95.28 kB / 0.8689 GB, free: 191.6 MB / 0.6856 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00209/1.217, allocations: 0.9355 MB / 0.8698 GB, free: 191.5 MB / 0.6856 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.408e-05/1.217, allocations: 10.42 kB / 0.8698 GB, free: 191.5 MB / 0.6856 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.222e-06/1.217, allocations: 0 / 0.8698 GB, free: 191.5 MB / 0.6856 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001378/1.218, allocations: 0.8573 MB / 0.8706 GB, free: 191 MB / 0.6856 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003659/1.222, allocations: 1.856 MB / 0.8724 GB, free: 190.1 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.107e-05/1.222, allocations: 4.625 kB / 0.8724 GB, free: 190.1 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005376/1.223, allocations: 102.9 kB / 0.8725 GB, free: 190.1 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0006375/1.223, allocations: 149.4 kB / 0.8727 GB, free: 190.1 MB / 0.6856 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.482e-05/1.223, allocations: 16.5 kB / 0.8727 GB, free: 190.1 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0008659/1.224, allocations: 1.248 MB / 0.8739 GB, free: 188.9 MB / 0.6856 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.927e-06/1.224, allocations: 1.484 kB / 0.8739 GB, free: 188.9 MB / 0.6856 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002485/1.227, allocations: 1.277 MB / 0.8752 GB, free: 188.4 MB / 0.6856 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00046/1.227, allocations: 257.7 kB / 0.8754 GB, free: 188.2 MB / 0.6856 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001195/1.227, allocations: 14.45 kB / 0.8754 GB, free: 188.2 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004281/1.228, allocations: 32.3 kB / 0.8755 GB, free: 188.2 MB / 0.6856 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001459/1.228, allocations: 47.98 kB / 0.8755 GB, free: 188.2 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.218e-05/1.228, allocations: 29.89 kB / 0.8755 GB, free: 188.2 MB / 0.6856 GB Notification: Performance of sorting global known variables: time 0.001063/1.229, allocations: 0.606 MB / 0.8761 GB, free: 187.9 MB / 0.6856 GB Notification: Performance of sort global known variables: time 1.8e-07/1.229, allocations: 0 / 0.8761 GB, free: 187.9 MB / 0.6856 GB Notification: Performance of remove unused functions: time 0.002182/1.231, allocations: 0.5647 MB / 0.8767 GB, free: 187.8 MB / 0.6856 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 0.001842/1.233, allocations: 0.7116 MB / 0.8774 GB, free: 187.6 MB / 0.6856 GB Notification: Performance of simCode: created initialization part: time 0.002791/1.236, allocations: 0.9281 MB / 0.8783 GB, free: 187.3 MB / 0.6856 GB Notification: Performance of simCode: created event and clocks part: time 7.143e-06/1.236, allocations: 7 kB / 0.8783 GB, free: 187.3 MB / 0.6856 GB Notification: Performance of simCode: created simulation system equations: time 0.00113/1.237, allocations: 390.8 kB / 0.8787 GB, free: 187.2 MB / 0.6856 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002458/1.24, allocations: 454.1 kB / 0.8791 GB, free: 187.1 MB / 0.6856 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004231/1.244, allocations: 2.049 MB / 0.8811 GB, free: 186.1 MB / 0.6856 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006169/1.244, allocations: 1.072 MB / 0.8821 GB, free: 185.3 MB / 0.6856 GB Notification: Performance of simCode: alias equations: time 0.0008976/1.245, allocations: 211.9 kB / 0.8823 GB, free: 185.3 MB / 0.6856 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002259/1.246, allocations: 80.5 kB / 0.8824 GB, free: 185.3 MB / 0.6856 GB Notification: Performance of SimCode: time 1.473e-06/1.246, allocations: 0 / 0.8824 GB, free: 185.3 MB / 0.6856 GB Notification: Performance of Templates: time 0.04504/1.291, allocations: 21.16 MB / 0.9031 GB, free: 174.9 MB / 0.6856 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)