Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_7.0.0_Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume.conf.json loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) Using package ModelicaServices with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Using package Modelica with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package Buildings with version 7.0.1 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo) Running command: translateModel(Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume") translateModel(Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume") Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.337/2.337, allocations: 255 MB / 269.9 MB, free: 9.652 MB / 218.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001282/0.001282, allocations: 192 kB / 329.5 MB, free: 1.176 MB / 250.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 2.355/2.355, allocations: 225.6 MB / 0.6001 GB, free: 2.254 MB / 426.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001022/0.001022, allocations: 102.2 kB / 0.7074 GB, free: 8.008 MB / 0.5261 GB Notification: Performance of FrontEnd - loaded program: time 0.0004707/0.0004708, allocations: 10.56 kB / 0.8242 GB, free: 124.4 MB / 0.5886 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1979/0.1984, allocations: 109.1 MB / 0.9308 GB, free: 25.16 MB / 0.5886 GB Notification: Performance of NFInst.instantiate(Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume): time 0.8243/1.023, allocations: 152.2 MB / 1.079 GB, free: 15.28 MB / 0.6667 GB Notification: Performance of NFInst.instExpressions: time 0.01698/1.04, allocations: 8.268 MB / 1.087 GB, free: 12.69 MB / 0.6667 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002133/1.042, allocations: 39.33 kB / 1.087 GB, free: 12.68 MB / 0.6667 GB Notification: Performance of NFTyping.typeComponents: time 0.002276/1.044, allocations: 0.4928 MB / 1.088 GB, free: 12.49 MB / 0.6667 GB Notification: Performance of NFTyping.typeBindings: time 0.005247/1.05, allocations: 1.218 MB / 1.089 GB, free: 11.94 MB / 0.6667 GB Notification: Performance of NFTyping.typeClassSections: time 0.004375/1.054, allocations: 0.9567 MB / 1.09 GB, free: 11.62 MB / 0.6667 GB Notification: Performance of NFFlatten.flatten: time 0.005498/1.059, allocations: 3.127 MB / 1.093 GB, free: 10.45 MB / 0.6667 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001761/1.061, allocations: 0.7534 MB / 1.094 GB, free: 10.16 MB / 0.6667 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002376/1.064, allocations: 0.8534 MB / 1.095 GB, free: 9.809 MB / 0.6667 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00231/1.066, allocations: 0.9271 MB / 1.096 GB, free: 9.379 MB / 0.6667 GB Notification: Performance of NFPackage.collectConstants: time 0.0002747/1.066, allocations: 44.5 kB / 1.096 GB, free: 9.379 MB / 0.6667 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003498/1.07, allocations: 0.8268 MB / 1.096 GB, free: 9.121 MB / 0.6667 GB Notification: Performance of NFScalarize.scalarize: time 0.0004409/1.07, allocations: 211.8 kB / 1.097 GB, free: 9.02 MB / 0.6667 GB Notification: Performance of NFVerifyModel.verify: time 0.0005661/1.071, allocations: 241.3 kB / 1.097 GB, free: 8.949 MB / 0.6667 GB Notification: Performance of NFConvertDAE.convert: time 0.002633/1.074, allocations: 1.221 MB / 1.098 GB, free: 8.27 MB / 0.6667 GB Notification: Performance of FrontEnd - DAE generated: time 7.143e-06/1.074, allocations: 0 / 1.098 GB, free: 8.27 MB / 0.6667 GB Notification: Performance of FrontEnd: time 2.404e-06/1.074, allocations: 0 / 1.098 GB, free: 8.27 MB / 0.6667 GB Notification: Performance of Transformations before backend: time 2.318e-05/1.074, allocations: 1.125 kB / 1.098 GB, free: 8.27 MB / 0.6667 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 0.003949/1.078, allocations: 1.378 MB / 1.099 GB, free: 7.297 MB / 0.6667 GB Notification: Performance of prepare preOptimizeDAE: time 4.318e-05/1.078, allocations: 13.84 kB / 1.099 GB, free: 7.293 MB / 0.6667 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0005009/1.078, allocations: 136.1 kB / 1.1 GB, free: 7.227 MB / 0.6667 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002241/1.08, allocations: 0.8119 MB / 1.1 GB, free: 6.734 MB / 0.6667 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.773e-05/1.081, allocations: 60.5 kB / 1.1 GB, free: 6.73 MB / 0.6667 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000184/1.081, allocations: 84.03 kB / 1.101 GB, free: 6.727 MB / 0.6667 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002247/1.083, allocations: 0.8701 MB / 1.101 GB, free: 6.41 MB / 0.6667 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.002e-05/1.083, allocations: 6.109 kB / 1.101 GB, free: 6.406 MB / 0.6667 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001098/1.083, allocations: 32.12 kB / 1.101 GB, free: 6.406 MB / 0.6667 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.675e-05/1.083, allocations: 19.69 kB / 1.101 GB, free: 6.406 MB / 0.6667 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001927/1.085, allocations: 0.6351 MB / 1.102 GB, free: 6.297 MB / 0.6667 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 0.007294/1.092, allocations: 3.957 MB / 1.106 GB, free: 3.504 MB / 0.6667 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00186/1.094, allocations: 0.5822 MB / 1.106 GB, free: 3.402 MB / 0.6667 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008195/1.095, allocations: 298 kB / 1.107 GB, free: 3.359 MB / 0.6667 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001376/1.097, allocations: 1.24 MB / 1.108 GB, free: 1.918 MB / 0.6667 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0009942/1.098, allocations: 330.2 kB / 1.108 GB, free: 1.805 MB / 0.6667 GB Notification: Performance of pre-optimization done (n=63): time 3.436e-06/1.098, allocations: 0 / 1.108 GB, free: 1.805 MB / 0.6667 GB Notification: Performance of matching and sorting (n=63): time 0.00433/1.102, allocations: 1.158 MB / 1.109 GB, free: 1.359 MB / 0.6667 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.186e-05/1.102, allocations: 86.42 kB / 1.11 GB, free: 1.266 MB / 0.6667 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001487/1.104, allocations: 0.8497 MB / 1.11 GB, free: 0.9922 MB / 0.6667 GB Notification: Performance of collectPreVariables (initialization): time 0.0001119/1.104, allocations: 36.86 kB / 1.11 GB, free: 0.9609 MB / 0.6667 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004448/1.104, allocations: 467.7 kB / 1.111 GB, free: 0.7461 MB / 0.6667 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002622/1.104, allocations: 216 kB / 1.111 GB, free: 0.5859 MB / 0.6667 GB Notification: Performance of simplifyInitialFunctions (initialization): time 4.592e-05/1.104, allocations: 11.41 kB / 1.111 GB, free: 0.5859 MB / 0.6667 GB Notification: Performance of setup shared object (initialization): time 0.0001264/1.105, allocations: 329.7 kB / 1.111 GB, free: 280 kB / 0.6667 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006709/1.105, allocations: 205.8 kB / 1.112 GB, free: 252 kB / 0.6667 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007481/1.106, allocations: 318.5 kB / 1.112 GB, free: 116 kB / 0.6667 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0007232/1.107, allocations: 243.5 kB / 1.112 GB, free: 88 kB / 0.6667 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.861e-06/1.107, allocations: 0 / 1.112 GB, free: 88 kB / 0.6667 GB Notification: Performance of matching and sorting (n=75) (initialization): time 0.002093/1.109, allocations: 0.718 MB / 1.113 GB, free: 15.9 MB / 0.6823 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001083/1.109, allocations: 154.2 kB / 1.113 GB, free: 15.73 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.04e-05/1.109, allocations: 2.938 kB / 1.113 GB, free: 15.73 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0008151/1.11, allocations: 110.1 kB / 1.113 GB, free: 15.7 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008621/1.111, allocations: 115.1 kB / 1.113 GB, free: 15.68 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007732/1.112, allocations: 0.6729 MB / 1.114 GB, free: 15.12 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001198/1.113, allocations: 88.34 kB / 1.114 GB, free: 15.08 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.97e-05/1.113, allocations: 33.3 kB / 1.114 GB, free: 15.07 MB / 0.6823 GB Notification: Performance of prepare postOptimizeDAE: time 1.011e-05/1.113, allocations: 5.781 kB / 1.114 GB, free: 15.07 MB / 0.6823 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.001627/1.115, allocations: 0.5655 MB / 1.114 GB, free: 14.89 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.474e-06/1.115, allocations: 2.656 kB / 1.114 GB, free: 14.89 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0007051/1.115, allocations: 112.7 kB / 1.115 GB, free: 14.84 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008032/1.116, allocations: 116.2 kB / 1.115 GB, free: 14.81 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007673/1.117, allocations: 0.6607 MB / 1.115 GB, free: 14.21 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001183/1.118, allocations: 80.09 kB / 1.115 GB, free: 14.16 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.044e-05/1.118, allocations: 31.3 kB / 1.115 GB, free: 14.15 MB / 0.6823 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 ($whenCondition1,$PRE.mRoo_flow.nextTimeEvent,mRoo_flow.nextTimeEvent,$PRE.mRoo_flow.nextTimeEventScaled,mRoo_flow.nextTimeEventScaled) * 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 (linear and non-linear blocks): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 1 {2 7} Notification: Performance of prepare postOptimizeDAE: time 0.0006956/1.119, allocations: 333.3 kB / 1.116 GB, free: 13.87 MB / 0.6823 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002284/1.119, allocations: 101.1 kB / 1.116 GB, free: 13.82 MB / 0.6823 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002864/1.122, allocations: 0.9456 MB / 1.117 GB, free: 13.28 MB / 0.6823 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.695e-05/1.122, allocations: 11.94 kB / 1.117 GB, free: 13.28 MB / 0.6823 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.03e-05/1.122, allocations: 3.984 kB / 1.117 GB, free: 13.27 MB / 0.6823 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.00204/1.124, allocations: 0.853 MB / 1.118 GB, free: 12.71 MB / 0.6823 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004673/1.129, allocations: 1.854 MB / 1.119 GB, free: 11.44 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.056e-05/1.129, allocations: 2.875 kB / 1.119 GB, free: 11.44 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0008896/1.13, allocations: 99.27 kB / 1.12 GB, free: 11.42 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0009558/1.131, allocations: 166.7 kB / 1.12 GB, free: 11.34 MB / 0.6823 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.066e-05/1.131, allocations: 18.94 kB / 1.12 GB, free: 11.32 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001223/1.132, allocations: 1.252 MB / 1.121 GB, free: 10.15 MB / 0.6823 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.685e-06/1.132, allocations: 2.594 kB / 1.121 GB, free: 10.15 MB / 0.6823 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003475/1.136, allocations: 1.278 MB / 1.122 GB, free: 9.41 MB / 0.6823 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0007256/1.136, allocations: 277.9 kB / 1.122 GB, free: 9.164 MB / 0.6823 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001957/1.137, allocations: 10.91 kB / 1.122 GB, free: 9.156 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001012/1.138, allocations: 60.52 kB / 1.123 GB, free: 9.129 MB / 0.6823 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001534/1.138, allocations: 54.86 kB / 1.123 GB, free: 9.094 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.716e-05/1.138, allocations: 27 kB / 1.123 GB, free: 9.086 MB / 0.6823 GB Notification: Performance of sorting global known variables: time 0.001102/1.139, allocations: 0.5937 MB / 1.123 GB, free: 8.742 MB / 0.6823 GB Notification: Performance of sort global known variables: time 1.413e-06/1.139, allocations: 0 / 1.123 GB, free: 8.742 MB / 0.6823 GB Notification: Performance of remove unused functions: time 0.001985/1.141, allocations: 0.5504 MB / 1.124 GB, free: 8.602 MB / 0.6823 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 (linear and non-linear blocks): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 2 {2 9,1 2} Notification: Performance of Backend phase and start with SimCode phase: time 0.002143/1.143, allocations: 0.7684 MB / 1.124 GB, free: 8.168 MB / 0.6823 GB Notification: Performance of simCode: created initialization part: time 0.002962/1.146, allocations: 0.9205 MB / 1.125 GB, free: 7.773 MB / 0.6823 GB Notification: Performance of simCode: created event and clocks part: time 4.879e-06/1.146, allocations: 0 / 1.125 GB, free: 7.773 MB / 0.6823 GB Notification: Performance of simCode: created simulation system equations: time 0.001198/1.147, allocations: 398.2 kB / 1.126 GB, free: 7.602 MB / 0.6823 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003736/1.151, allocations: 422.4 kB / 1.126 GB, free: 7.391 MB / 0.6823 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005449/1.157, allocations: 2.516 MB / 1.129 GB, free: 5.672 MB / 0.6823 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007791/1.157, allocations: 1.069 MB / 1.13 GB, free: 4.805 MB / 0.6823 GB Notification: Performance of simCode: alias equations: time 0.001442/1.159, allocations: 216.6 kB / 1.13 GB, free: 4.695 MB / 0.6823 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003165/1.159, allocations: 79.56 kB / 1.13 GB, free: 4.68 MB / 0.6823 GB Notification: Performance of SimCode: time 1.092e-06/1.159, allocations: 2.906 kB / 1.13 GB, free: 4.68 MB / 0.6823 GB Notification: Performance of Templates: time 0.05444/1.214, allocations: 19.38 MB / 1.149 GB, free: 3.086 MB / 0.698 GB make -j1 -f Buildings_7.0.0_Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume.makefile (rm -f Buildings_7.0.0_Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume.pipe ; mkfifo Buildings_7.0.0_Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume.pipe ; head -c 1048576 < Buildings_7.0.0_Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume.pipe >> ../files/Buildings_7.0.0_Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume.sim & ./Buildings_7.0.0_Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_7.0.0_Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume.pipe 2>&1)