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 0.00953/0.00953, allocations: 100.8 kB / 15.87 MB, free: 5.871 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002561/0.002561, allocations: 195.9 kB / 16.79 MB, free: 5.816 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.494/1.494, allocations: 222.9 MB / 240.5 MB, free: 4.613 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.9489/0.9489, allocations: 135.1 MB / 425.8 MB, free: 11.82 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001209/0.001209, allocations: 59.5 kB / 0.5053 GB, free: 5.754 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1769/0.1781, allocations: 80.93 MB / 0.5843 GB, free: 4.988 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Airflow.Multizone.Examples.ChimneyShaftNoVolume): time 0.5299/0.7081, allocations: 165.2 MB / 0.7457 GB, free: 5.422 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.01462/0.7227, allocations: 8.94 MB / 0.7544 GB, free: 14.2 MB / 0.5762 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002517/0.7253, allocations: 34.53 kB / 0.7544 GB, free: 14.19 MB / 0.5762 GB Notification: Performance of NFTyping.typeComponents: time 0.002129/0.7275, allocations: 0.5562 MB / 0.755 GB, free: 13.76 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.004925/0.7324, allocations: 1.387 MB / 0.7563 GB, free: 12.68 MB / 0.5762 GB Notification: Performance of NFTyping.typeClassSections: time 0.003424/0.7359, allocations: 1.076 MB / 0.7574 GB, free: 11.89 MB / 0.5762 GB Notification: Performance of NFFlatten.flatten: time 0.004974/0.7409, allocations: 3.645 MB / 0.7609 GB, free: 8.477 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00152/0.7424, allocations: 0.8424 MB / 0.7618 GB, free: 7.617 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002038/0.7445, allocations: 0.8985 MB / 0.7626 GB, free: 6.715 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001614/0.7461, allocations: 1.008 MB / 0.7636 GB, free: 5.703 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.0001555/0.7463, allocations: 56 kB / 0.7637 GB, free: 5.648 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002705/0.749, allocations: 1.017 MB / 0.7647 GB, free: 4.629 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.000321/0.7493, allocations: 242.9 kB / 0.7649 GB, free: 4.391 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.0007641/0.7501, allocations: 0.575 MB / 0.7655 GB, free: 3.812 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.001946/0.752, allocations: 1.279 MB / 0.7667 GB, free: 2.531 MB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 4.869e-06/0.7521, allocations: 0 / 0.7667 GB, free: 2.531 MB / 0.5762 GB Notification: Performance of FrontEnd: time 1.012e-06/0.7521, allocations: 0 / 0.7667 GB, free: 2.531 MB / 0.5762 GB Notification: Performance of Transformations before backend: time 1.815e-05/0.7521, allocations: 0 / 0.7667 GB, free: 2.531 MB / 0.5762 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 0.003035/0.7551, allocations: 1.571 MB / 0.7683 GB, free: 0.9102 MB / 0.5762 GB Notification: Performance of prepare preOptimizeDAE: time 4.336e-05/0.7552, allocations: 8.031 kB / 0.7683 GB, free: 0.9023 MB / 0.5762 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003274/0.7555, allocations: 139.3 kB / 0.7684 GB, free: 0.7656 MB / 0.5762 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001381/0.7569, allocations: 0.8597 MB / 0.7692 GB, free: 15.86 MB / 0.5919 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.226e-05/0.757, allocations: 58 kB / 0.7693 GB, free: 15.8 MB / 0.5919 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001082/0.7571, allocations: 83.98 kB / 0.7694 GB, free: 15.72 MB / 0.5919 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001465/0.7586, allocations: 0.8655 MB / 0.7702 GB, free: 14.81 MB / 0.5919 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.767e-05/0.7586, allocations: 7.906 kB / 0.7702 GB, free: 14.8 MB / 0.5919 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.41e-05/0.7587, allocations: 32 kB / 0.7703 GB, free: 14.77 MB / 0.5919 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.651e-05/0.7587, allocations: 16 kB / 0.7703 GB, free: 14.75 MB / 0.5919 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001171/0.7599, allocations: 0.6362 MB / 0.7709 GB, free: 14.11 MB / 0.5919 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 0.004814/0.7647, allocations: 3.946 MB / 0.7747 GB, free: 9.914 MB / 0.5919 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00121/0.7659, allocations: 0.573 MB / 0.7753 GB, free: 9.336 MB / 0.5919 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005044/0.7664, allocations: 294.4 kB / 0.7756 GB, free: 9.047 MB / 0.5919 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001103/0.7676, allocations: 1.235 MB / 0.7768 GB, free: 7.535 MB / 0.5919 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0006587/0.7682, allocations: 331 kB / 0.7771 GB, free: 7.199 MB / 0.5919 GB Notification: Performance of pre-optimization done (n=63): time 6.312e-06/0.7683, allocations: 96 / 0.7771 GB, free: 7.199 MB / 0.5919 GB Notification: Performance of matching and sorting (n=63): time 0.002596/0.7709, allocations: 1.135 MB / 0.7782 GB, free: 6.016 MB / 0.5919 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.305e-05/0.7709, allocations: 85.66 kB / 0.7783 GB, free: 5.914 MB / 0.5919 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001119/0.7721, allocations: 0.8611 MB / 0.7791 GB, free: 5.027 MB / 0.5919 GB Notification: Performance of collectPreVariables (initialization): time 5.76e-05/0.7721, allocations: 45.64 kB / 0.7792 GB, free: 4.977 MB / 0.5919 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003905/0.7725, allocations: 468.2 kB / 0.7796 GB, free: 4.516 MB / 0.5919 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002049/0.7727, allocations: 216.8 kB / 0.7798 GB, free: 4.301 MB / 0.5919 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001921/0.7729, allocations: 114.2 kB / 0.7799 GB, free: 4.18 MB / 0.5919 GB Notification: Performance of setup shared object (initialization): time 0.0001329/0.7731, allocations: 334 kB / 0.7803 GB, free: 3.848 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004218/0.7735, allocations: 207.4 kB / 0.7805 GB, free: 3.645 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005185/0.774, allocations: 316.4 kB / 0.7808 GB, free: 3.305 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0009292/0.775, allocations: 0.5269 MB / 0.7813 GB, free: 2.746 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.051e-06/0.775, allocations: 5.188 kB / 0.7813 GB, free: 2.742 MB / 0.5919 GB Notification: Performance of matching and sorting (n=75) (initialization): time 0.001391/0.7764, allocations: 0.721 MB / 0.782 GB, free: 2.012 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 1.883e-05/0.7764, allocations: 4 kB / 0.782 GB, free: 2.008 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.061e-05/0.7764, allocations: 4 kB / 0.782 GB, free: 2.004 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006099/0.777, allocations: 113 kB / 0.7821 GB, free: 1.891 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004525/0.7775, allocations: 119.8 kB / 0.7822 GB, free: 1.773 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0006451/0.7782, allocations: 0.6538 MB / 0.7829 GB, free: 1.094 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006793/0.7789, allocations: 95.39 kB / 0.7829 GB, free: 1 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.979e-05/0.7789, allocations: 27.94 kB / 0.783 GB, free: 0.9727 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0006666/0.7796, allocations: 393.3 kB / 0.7833 GB, free: 0.5859 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0004548/0.7801, allocations: 307.8 kB / 0.7836 GB, free: 264 kB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0008252/0.7809, allocations: 0.5075 MB / 0.7841 GB, free: 15.71 MB / 0.6075 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.144e-06/0.7809, allocations: 0 / 0.7841 GB, free: 15.71 MB / 0.6075 GB Notification: Performance of matching and sorting (n=75) (initialization_lambda0): time 0.001274/0.7822, allocations: 0.686 MB / 0.7848 GB, free: 15.02 MB / 0.6075 GB Notification: Performance of prepare postOptimizeDAE: time 1.446e-05/0.7822, allocations: 8 kB / 0.7848 GB, free: 15.01 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.158e-06/0.7822, allocations: 0 / 0.7848 GB, free: 15.01 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005014/0.7827, allocations: 114.4 kB / 0.7849 GB, free: 14.9 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004168/0.7832, allocations: 111.8 kB / 0.785 GB, free: 14.79 MB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0005846/0.7838, allocations: 0.6655 MB / 0.7857 GB, free: 14.1 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006777/0.7844, allocations: 67.62 kB / 0.7857 GB, free: 14.03 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.423e-05/0.7845, allocations: 27.98 kB / 0.7858 GB, free: 14 MB / 0.6075 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 0.0002558/0.7848, allocations: 216.1 kB / 0.786 GB, free: 13.79 MB / 0.6075 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001637/0.7849, allocations: 103 kB / 0.7861 GB, free: 13.68 MB / 0.6075 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001887/0.7868, allocations: 0.9485 MB / 0.787 GB, free: 12.73 MB / 0.6075 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.737e-05/0.7869, allocations: 8 kB / 0.787 GB, free: 12.72 MB / 0.6075 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 9.227e-06/0.7869, allocations: 0 / 0.787 GB, free: 12.72 MB / 0.6075 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001287/0.7882, allocations: 0.8503 MB / 0.7878 GB, free: 11.81 MB / 0.6075 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003173/0.7914, allocations: 1.853 MB / 0.7896 GB, free: 9.895 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.015e-06/0.7914, allocations: 0.875 kB / 0.7896 GB, free: 9.895 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004471/0.7918, allocations: 99.89 kB / 0.7897 GB, free: 9.797 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.000681/0.7925, allocations: 161.6 kB / 0.7899 GB, free: 9.633 MB / 0.6075 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.445e-05/0.7926, allocations: 23.98 kB / 0.7899 GB, free: 9.609 MB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001047/0.7937, allocations: 1.253 MB / 0.7911 GB, free: 8.305 MB / 0.6075 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.408e-06/0.7937, allocations: 8.016 kB / 0.7912 GB, free: 8.297 MB / 0.6075 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002303/0.796, allocations: 1.284 MB / 0.7924 GB, free: 6.992 MB / 0.6075 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005055/0.7965, allocations: 251.6 kB / 0.7926 GB, free: 6.727 MB / 0.6075 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001866/0.7967, allocations: 16 kB / 0.7927 GB, free: 6.711 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006484/0.7974, allocations: 63.8 kB / 0.7927 GB, free: 6.648 MB / 0.6075 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000126/0.7975, allocations: 40.59 kB / 0.7928 GB, free: 6.605 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.192e-05/0.7976, allocations: 27.98 kB / 0.7928 GB, free: 6.578 MB / 0.6075 GB Notification: Performance of sorting global known variables: time 0.0009115/0.7985, allocations: 0.6013 MB / 0.7934 GB, free: 5.965 MB / 0.6075 GB Notification: Performance of sort global known variables: time 2.3e-07/0.7985, allocations: 0 / 0.7934 GB, free: 5.965 MB / 0.6075 GB Notification: Performance of remove unused functions: time 0.001659/0.8002, allocations: 0.5612 MB / 0.7939 GB, free: 5.402 MB / 0.6075 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 0.001781/0.8019, allocations: 0.7045 MB / 0.7946 GB, free: 4.879 MB / 0.6075 GB Notification: Performance of simCode: created initialization part: time 0.002112/0.8041, allocations: 0.9265 MB / 0.7955 GB, free: 3.953 MB / 0.6075 GB Notification: Performance of simCode: created event and clocks part: time 4.228e-06/0.8041, allocations: 4.062 kB / 0.7955 GB, free: 3.949 MB / 0.6075 GB Notification: Performance of simCode: created simulation system equations: time 0.000829/0.8049, allocations: 387.5 kB / 0.7959 GB, free: 3.57 MB / 0.6075 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002266/0.8072, allocations: 434.6 kB / 0.7963 GB, free: 3.152 MB / 0.6075 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004181/0.8114, allocations: 2.498 MB / 0.7987 GB, free: 0.6094 MB / 0.6075 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007695/0.8122, allocations: 1.065 MB / 0.7998 GB, free: 15.52 MB / 0.6231 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002926/0.8125, allocations: 99.28 kB / 0.7999 GB, free: 15.42 MB / 0.6231 GB Notification: Performance of SimCode: time 8.71e-07/0.8125, allocations: 4 kB / 0.7999 GB, free: 15.41 MB / 0.6231 GB Notification: Performance of Templates: time 0.03397/0.8465, allocations: 23.22 MB / 0.8226 GB, free: 8.309 MB / 0.6387 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)