Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.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/BuildSysPro 3.6.0/package.mo", uses=false) Using package BuildSysPro with version 3.5.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/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: translateModel(BuildSysPro.IBPSA.Airflow.Multizone.Examples.ChimneyShaftWithVolume,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Airflow.Multizone.Examples.ChimneyShaftWithVolume") translateModel(BuildSysPro.IBPSA.Airflow.Multizone.Examples.ChimneyShaftWithVolume,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Airflow.Multizone.Examples.ChimneyShaftWithVolume") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001934/0.001934, allocations: 100.1 kB / 15.88 MB, free: 12 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001835/0.001836, allocations: 196 kB / 16.79 MB, free: 6.828 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.366/1.366, allocations: 222.9 MB / 240.5 MB, free: 4.629 MB / 190.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/Building/BuildingEnvelope/HeatTransfer/package.mo:2:1-40:17:writable] Warning: Soil_case_nappe was referenced in the package.order file, but was not found in package.mo, Soil_case_nappe/package.mo or Soil_case_nappe.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/package.mo): time 1.048/1.048, allocations: 143 MB / 433.7 MB, free: 11.73 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001418/0.001419, allocations: 71.89 kB / 0.5141 GB, free: 12.14 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1882/0.1896, allocations: 82.02 MB / 0.5942 GB, free: 10.07 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.Airflow.Multizone.Examples.ChimneyShaftWithVolume): time 0.6318/0.8214, allocations: 233.8 MB / 0.8226 GB, free: 3.812 MB / 0.6387 GB Notification: Performance of NFInst.instExpressions: time 0.01683/0.8383, allocations: 10.54 MB / 0.8329 GB, free: 9.246 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002968/0.8413, allocations: 55.69 kB / 0.8329 GB, free: 9.191 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.003248/0.8446, allocations: 1.026 MB / 0.8339 GB, free: 8.16 MB / 0.6544 GB Notification: Performance of NFTyping.typeBindings: time 0.009528/0.8542, allocations: 3.44 MB / 0.8373 GB, free: 4.707 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.005572/0.8598, allocations: 1.888 MB / 0.8391 GB, free: 2.828 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.007684/0.8675, allocations: 6.272 MB / 0.8453 GB, free: 12.54 MB / 0.67 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002342/0.8698, allocations: 1.336 MB / 0.8466 GB, free: 11.17 MB / 0.67 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003/0.8728, allocations: 1.385 MB / 0.8479 GB, free: 9.781 MB / 0.67 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004311/0.8772, allocations: 1.533 MB / 0.8494 GB, free: 8.246 MB / 0.67 GB Notification: Performance of NFPackage.collectConstants: time 0.0006643/0.8779, allocations: 96 kB / 0.8495 GB, free: 8.152 MB / 0.67 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00784/0.8857, allocations: 3.736 MB / 0.8531 GB, free: 4.406 MB / 0.67 GB Notification: Performance of NFScalarize.scalarize: time 0.001205/0.8869, allocations: 0.623 MB / 0.8538 GB, free: 3.781 MB / 0.67 GB Notification: Performance of NFVerifyModel.verify: time 0.002361/0.8893, allocations: 0.9677 MB / 0.8547 GB, free: 2.809 MB / 0.67 GB Notification: Performance of NFConvertDAE.convert: time 0.4715/1.361, allocations: 2.955 MB / 0.8576 GB, free: 13.91 MB / 0.67 GB Notification: Performance of FrontEnd - DAE generated: time 7.604e-06/1.361, allocations: 0.5625 kB / 0.8576 GB, free: 13.91 MB / 0.67 GB Notification: Performance of FrontEnd: time 2.364e-06/1.361, allocations: 0.625 kB / 0.8576 GB, free: 13.91 MB / 0.67 GB Notification: Performance of Transformations before backend: time 0.0001302/1.361, allocations: 0 / 0.8576 GB, free: 13.91 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: 344 * Number of variables: 344 Notification: Performance of Generate backend data structure: time 0.006193/1.367, allocations: 2.484 MB / 0.86 GB, free: 13.02 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 4.739e-05/1.367, allocations: 10.16 kB / 0.86 GB, free: 13.02 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003509/1.371, allocations: 0.5208 MB / 0.8605 GB, free: 12.92 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002111/1.373, allocations: 1.228 MB / 0.8617 GB, free: 12.5 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.429e-05/1.373, allocations: 104.4 kB / 0.8618 GB, free: 12.49 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002069/1.373, allocations: 136.5 kB / 0.862 GB, free: 12.49 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00282/1.376, allocations: 1.669 MB / 0.8636 GB, free: 12.29 MB / 0.67 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.847e-05/1.376, allocations: 10.73 kB / 0.8636 GB, free: 12.29 MB / 0.67 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001352/1.376, allocations: 58.06 kB / 0.8637 GB, free: 12.29 MB / 0.67 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.699e-05/1.376, allocations: 68.14 kB / 0.8637 GB, free: 12.29 MB / 0.67 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002513/1.379, allocations: 1.447 MB / 0.8651 GB, free: 12.27 MB / 0.67 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 0.008107/1.387, allocations: 6.965 MB / 0.8719 GB, free: 8.91 MB / 0.67 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001815/1.389, allocations: 1.191 MB / 0.8731 GB, free: 8.684 MB / 0.67 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008749/1.39, allocations: 0.615 MB / 0.8737 GB, free: 8.672 MB / 0.67 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0007397/1.39, allocations: 0.8592 MB / 0.8745 GB, free: 7.734 MB / 0.67 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001008/1.392, allocations: 0.6129 MB / 0.8751 GB, free: 7.676 MB / 0.67 GB Notification: Performance of pre-optimization done (n=110): time 3.156e-06/1.392, allocations: 2.344 kB / 0.8751 GB, free: 7.676 MB / 0.67 GB Notification: Performance of matching and sorting (n=110): time 0.003031/1.395, allocations: 1.578 MB / 0.8767 GB, free: 7.559 MB / 0.67 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.823e-05/1.395, allocations: 91.8 kB / 0.8768 GB, free: 7.461 MB / 0.67 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001514/1.396, allocations: 1.192 MB / 0.8779 GB, free: 7.297 MB / 0.67 GB Notification: Performance of collectPreVariables (initialization): time 8.417e-05/1.396, allocations: 47.92 kB / 0.878 GB, free: 7.266 MB / 0.67 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004868/1.397, allocations: 0.6752 MB / 0.8786 GB, free: 7.031 MB / 0.67 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003281/1.397, allocations: 381.9 kB / 0.879 GB, free: 6.785 MB / 0.67 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002839/1.397, allocations: 175.4 kB / 0.8792 GB, free: 6.77 MB / 0.67 GB Notification: Performance of setup shared object (initialization): time 8.439e-05/1.397, allocations: 343.6 kB / 0.8795 GB, free: 6.465 MB / 0.67 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007165/1.398, allocations: 433.1 kB / 0.8799 GB, free: 6.453 MB / 0.67 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008965/1.399, allocations: 0.555 MB / 0.8804 GB, free: 6.355 MB / 0.67 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001747/1.401, allocations: 1.014 MB / 0.8814 GB, free: 6.254 MB / 0.67 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.752e-06/1.401, allocations: 0.6875 kB / 0.8814 GB, free: 6.254 MB / 0.67 GB Notification: Performance of matching and sorting (n=126) (initialization): time 0.002425/1.403, allocations: 1.219 MB / 0.8826 GB, free: 6.137 MB / 0.67 GB Notification: Performance of prepare postOptimizeDAE: time 2.688e-05/1.403, allocations: 6.562 kB / 0.8826 GB, free: 6.137 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.244e-05/1.403, allocations: 5.562 kB / 0.8826 GB, free: 6.137 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.871e-05/1.403, allocations: 8.438 kB / 0.8826 GB, free: 6.137 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001015/1.404, allocations: 215.3 kB / 0.8829 GB, free: 6.137 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.96e-05/1.404, allocations: 10.53 kB / 0.8829 GB, free: 6.133 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001552/1.406, allocations: 186 kB / 0.883 GB, free: 6.07 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.86e-05/1.406, allocations: 37.58 kB / 0.8831 GB, free: 6.07 MB / 0.67 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001386/1.407, allocations: 0.7358 MB / 0.8838 GB, free: 5.988 MB / 0.67 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0008435/1.408, allocations: 0.5487 MB / 0.8843 GB, free: 5.887 MB / 0.67 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001626/1.41, allocations: 0.9888 MB / 0.8853 GB, free: 5.781 MB / 0.67 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.408e-06/1.41, allocations: 2.125 kB / 0.8853 GB, free: 5.781 MB / 0.67 GB Notification: Performance of matching and sorting (n=126) (initialization_lambda0): time 0.002268/1.412, allocations: 1.198 MB / 0.8865 GB, free: 5.648 MB / 0.67 GB Notification: Performance of prepare postOptimizeDAE: time 1.697e-05/1.412, allocations: 5.969 kB / 0.8865 GB, free: 5.648 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.337e-06/1.412, allocations: 5.359 kB / 0.8865 GB, free: 5.648 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.565e-05/1.412, allocations: 7.312 kB / 0.8865 GB, free: 5.648 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009522/1.413, allocations: 212.2 kB / 0.8867 GB, free: 5.648 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.758e-05/1.413, allocations: 7.469 kB / 0.8867 GB, free: 5.648 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00151/1.415, allocations: 165.6 kB / 0.8869 GB, free: 5.598 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.835e-05/1.415, allocations: 36.73 kB / 0.8869 GB, free: 5.598 MB / 0.67 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 0.0003303/1.415, allocations: 241.5 kB / 0.8871 GB, free: 5.414 MB / 0.67 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000245/1.416, allocations: 148.8 kB / 0.8873 GB, free: 5.34 MB / 0.67 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002364/1.418, allocations: 1.246 MB / 0.8885 GB, free: 5.25 MB / 0.67 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.287e-05/1.418, allocations: 16.94 kB / 0.8885 GB, free: 5.246 MB / 0.67 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.295e-06/1.418, allocations: 3.938 kB / 0.8885 GB, free: 5.242 MB / 0.67 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001727/1.42, allocations: 1.007 MB / 0.8895 GB, free: 5.16 MB / 0.67 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005765/1.425, allocations: 3.165 MB / 0.8926 GB, free: 4.543 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.957e-06/1.425, allocations: 3.219 kB / 0.8926 GB, free: 4.543 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001192/1.427, allocations: 230.9 kB / 0.8928 GB, free: 4.543 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.1e-05/1.427, allocations: 5.812 kB / 0.8928 GB, free: 4.543 MB / 0.67 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001066/1.427, allocations: 26.94 kB / 0.8928 GB, free: 4.543 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.532e-05/1.427, allocations: 8.875 kB / 0.8928 GB, free: 4.543 MB / 0.67 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.803e-06/1.427, allocations: 7.734 kB / 0.8928 GB, free: 4.543 MB / 0.67 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003376/1.43, allocations: 1.911 MB / 0.8947 GB, free: 4.203 MB / 0.67 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0008724/1.431, allocations: 355.4 kB / 0.895 GB, free: 4.023 MB / 0.67 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003643/1.431, allocations: 25.55 kB / 0.8951 GB, free: 4.023 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001446/1.433, allocations: 118.5 kB / 0.8952 GB, free: 4 MB / 0.67 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002386/1.433, allocations: 80.86 kB / 0.8953 GB, free: 3.992 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001137/1.433, allocations: 39.67 kB / 0.8953 GB, free: 3.992 MB / 0.67 GB Notification: Performance of sorting global known variables: time 0.002219/1.436, allocations: 0.8251 MB / 0.8961 GB, free: 19.88 MB / 0.6856 GB Notification: Performance of sort global known variables: time 6.01e-07/1.436, allocations: 0 / 0.8961 GB, free: 19.88 MB / 0.6856 GB Notification: Performance of remove unused functions: time 0.003863/1.439, allocations: 0.8327 MB / 0.8969 GB, free: 19.77 MB / 0.6856 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 0.001728/1.441, allocations: 0.5928 MB / 0.8975 GB, free: 19.62 MB / 0.6856 GB Notification: Performance of simCode: created initialization part: time 0.003671/1.445, allocations: 1.615 MB / 0.8991 GB, free: 19.6 MB / 0.6856 GB Notification: Performance of simCode: created event and clocks part: time 7.885e-06/1.445, allocations: 2.484 kB / 0.8991 GB, free: 19.6 MB / 0.6856 GB Notification: Performance of simCode: created simulation system equations: time 0.001153/1.446, allocations: 0.5639 MB / 0.8996 GB, free: 19.59 MB / 0.6856 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004978/1.451, allocations: 0.8312 MB / 0.9004 GB, free: 19.54 MB / 0.6856 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006928/1.458, allocations: 4.062 MB / 0.9044 GB, free: 17.4 MB / 0.6856 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001367/1.459, allocations: 1.368 MB / 0.9057 GB, free: 16.66 MB / 0.6856 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006232/1.46, allocations: 121.2 kB / 0.9059 GB, free: 16.65 MB / 0.6856 GB Notification: Performance of SimCode: time 1.403e-06/1.46, allocations: 0 / 0.9059 GB, free: 16.65 MB / 0.6856 GB Notification: Performance of Templates: time 0.04584/1.506, allocations: 25.37 MB / 0.9306 GB, free: 10.53 MB / 0.6856 GB make -j1 -f BuildSysPro_BuildSysPro.IBPSA.Airflow.Multizone.Examples.ChimneyShaftWithVolume.makefile (rm -f BuildSysPro_BuildSysPro.IBPSA.Airflow.Multizone.Examples.ChimneyShaftWithVolume.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.Airflow.Multizone.Examples.ChimneyShaftWithVolume.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.Airflow.Multizone.Examples.ChimneyShaftWithVolume.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.Airflow.Multizone.Examples.ChimneyShaftWithVolume.sim & ./BuildSysPro_BuildSysPro.IBPSA.Airflow.Multizone.Examples.ChimneyShaftWithVolume -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildSysPro_BuildSysPro.IBPSA.Airflow.Multizone.Examples.ChimneyShaftWithVolume.pipe 2>&1)