Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_IDEAS.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/IDEAS 3.0.0/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/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: "" <> buildModelFMU(IDEAS.Airflow.Multizone.Examples.ChimneyShaftWithVolume,fileNamePrefix="IDEAS_IDEAS_Airflow_Multizone_Examples_ChimneyShaftWithVolume",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.Airflow.Multizone.Examples.ChimneyShaftWithVolume,fileNamePrefix="IDEAS_IDEAS_Airflow_Multizone_Examples_ChimneyShaftWithVolume",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001311/0.001311, allocations: 108 kB / 15.61 MB, free: 128 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001324/0.001324, allocations: 198.1 kB / 16.53 MB, free: 6.672 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.265/1.265, allocations: 222.9 MB / 240.2 MB, free: 4.41 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.7299/0.7299, allocations: 132.2 MB / 422.6 MB, free: 1.785 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001374/0.001374, allocations: 68.83 kB / 0.5019 GB, free: 8.676 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1478/0.1492, allocations: 80.2 MB / 0.5802 GB, free: 8.703 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Airflow.Multizone.Examples.ChimneyShaftWithVolume): time 0.4602/0.6095, allocations: 235.8 MB / 0.8105 GB, free: 6.801 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.01454/0.6241, allocations: 10.41 MB / 0.8207 GB, free: 12.38 MB / 0.6387 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002326/0.6264, allocations: 59.69 kB / 0.8207 GB, free: 12.32 MB / 0.6387 GB Notification: Performance of NFTyping.typeComponents: time 0.002723/0.6292, allocations: 1.193 MB / 0.8219 GB, free: 11.12 MB / 0.6387 GB Notification: Performance of NFTyping.typeBindings: time 0.008154/0.6374, allocations: 3.652 MB / 0.8255 GB, free: 7.453 MB / 0.6387 GB Notification: Performance of NFTyping.typeClassSections: time 0.004833/0.6422, allocations: 2.06 MB / 0.8275 GB, free: 5.402 MB / 0.6387 GB Notification: Performance of NFFlatten.flatten: time 0.005186/0.6474, allocations: 4.457 MB / 0.8318 GB, free: 0.9336 MB / 0.6387 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002135/0.6496, allocations: 1.586 MB / 0.8334 GB, free: 15.32 MB / 0.6544 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002735/0.6523, allocations: 1.584 MB / 0.8349 GB, free: 13.73 MB / 0.6544 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002831/0.6552, allocations: 1.498 MB / 0.8364 GB, free: 12.23 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.0005132/0.6557, allocations: 184 kB / 0.8365 GB, free: 12.05 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.006235/0.6619, allocations: 3.242 MB / 0.8397 GB, free: 8.801 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.0009082/0.6628, allocations: 0.6972 MB / 0.8404 GB, free: 8.102 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.00184/0.6647, allocations: 1.061 MB / 0.8414 GB, free: 7.035 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.006562/0.6713, allocations: 3.787 MB / 0.8451 GB, free: 3.238 MB / 0.6544 GB Notification: Performance of FrontEnd - DAE generated: time 4.439e-06/0.6713, allocations: 0 / 0.8451 GB, free: 3.238 MB / 0.6544 GB Notification: Performance of FrontEnd: time 1.463e-06/0.6713, allocations: 4 kB / 0.8451 GB, free: 3.234 MB / 0.6544 GB Notification: Performance of Transformations before backend: time 8.45e-05/0.6714, allocations: 0 / 0.8451 GB, free: 3.234 MB / 0.6544 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 0.005952/0.6773, allocations: 2.492 MB / 0.8476 GB, free: 0.6875 MB / 0.6544 GB Notification: Performance of prepare preOptimizeDAE: time 3.974e-05/0.6774, allocations: 8.031 kB / 0.8476 GB, free: 0.6797 MB / 0.6544 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0003484/0.6777, allocations: 198.6 kB / 0.8478 GB, free: 488 kB / 0.6544 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003364/0.6811, allocations: 0.5206 MB / 0.8483 GB, free: 15.95 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00209/0.6832, allocations: 1.232 MB / 0.8495 GB, free: 14.66 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.802e-05/0.6833, allocations: 106.6 kB / 0.8496 GB, free: 14.56 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002288/0.6835, allocations: 132 kB / 0.8497 GB, free: 14.43 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002735/0.6863, allocations: 1.666 MB / 0.8513 GB, free: 12.7 MB / 0.67 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.672e-05/0.6863, allocations: 4 kB / 0.8513 GB, free: 12.69 MB / 0.67 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001334/0.6865, allocations: 52 kB / 0.8514 GB, free: 12.64 MB / 0.67 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.736e-05/0.6866, allocations: 78.5 kB / 0.8515 GB, free: 12.56 MB / 0.67 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002523/0.6891, allocations: 1.439 MB / 0.8529 GB, free: 11.12 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 0.008165/0.6973, allocations: 7.02 MB / 0.8597 GB, free: 3.641 MB / 0.67 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001681/0.699, allocations: 1.184 MB / 0.8609 GB, free: 2.41 MB / 0.67 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.000872/0.6998, allocations: 0.6161 MB / 0.8615 GB, free: 1.797 MB / 0.67 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0007911/0.7006, allocations: 0.8594 MB / 0.8623 GB, free: 0.7539 MB / 0.67 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0009409/0.7016, allocations: 0.6064 MB / 0.8629 GB, free: 140 kB / 0.67 GB Notification: Performance of pre-optimization done (n=110): time 3.337e-06/0.7016, allocations: 0 / 0.8629 GB, free: 140 kB / 0.67 GB Notification: Performance of matching and sorting (n=110): time 0.266/0.9676, allocations: 1.566 MB / 0.8644 GB, free: 225.6 MB / 0.67 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.627e-05/0.9677, allocations: 90.05 kB / 0.8645 GB, free: 225.5 MB / 0.67 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001221/0.9689, allocations: 1.201 MB / 0.8657 GB, free: 225.3 MB / 0.67 GB Notification: Performance of collectPreVariables (initialization): time 6.811e-05/0.969, allocations: 48.14 kB / 0.8657 GB, free: 225.2 MB / 0.67 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004032/0.9694, allocations: 0.6777 MB / 0.8664 GB, free: 224.8 MB / 0.67 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002249/0.9696, allocations: 379.6 kB / 0.8668 GB, free: 224.6 MB / 0.67 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002403/0.9699, allocations: 177.3 kB / 0.8669 GB, free: 224.5 MB / 0.67 GB Notification: Performance of setup shared object (initialization): time 7.572e-05/0.97, allocations: 349.2 kB / 0.8673 GB, free: 224.2 MB / 0.67 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005931/0.9706, allocations: 425.6 kB / 0.8677 GB, free: 224 MB / 0.67 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006799/0.9712, allocations: 0.5666 MB / 0.8682 GB, free: 223.7 MB / 0.67 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001358/0.9726, allocations: 1.015 MB / 0.8692 GB, free: 223.2 MB / 0.67 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.218e-06/0.9726, allocations: 0 / 0.8692 GB, free: 223.2 MB / 0.67 GB Notification: Performance of matching and sorting (n=126) (initialization): time 0.00167/0.9743, allocations: 1.214 MB / 0.8704 GB, free: 222.7 MB / 0.67 GB Notification: Performance of prepare postOptimizeDAE: time 2.062e-05/0.9743, allocations: 12.31 kB / 0.8704 GB, free: 222.7 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.227e-06/0.9744, allocations: 0 / 0.8704 GB, free: 222.7 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.09e-05/0.9744, allocations: 8.656 kB / 0.8704 GB, free: 222.7 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008674/0.9753, allocations: 212.9 kB / 0.8706 GB, free: 222.7 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.393e-05/0.9753, allocations: 12.47 kB / 0.8706 GB, free: 222.7 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001111/0.9764, allocations: 102.4 kB / 0.8707 GB, free: 222.6 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.128e-05/0.9765, allocations: 39.95 kB / 0.8708 GB, free: 222.6 MB / 0.67 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00114/0.9776, allocations: 0.7326 MB / 0.8715 GB, free: 222.3 MB / 0.67 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.000653/0.9783, allocations: 0.5521 MB / 0.872 GB, free: 222 MB / 0.67 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001207/0.9795, allocations: 0.997 MB / 0.873 GB, free: 221.5 MB / 0.67 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.425e-06/0.9795, allocations: 0 / 0.873 GB, free: 221.5 MB / 0.67 GB Notification: Performance of matching and sorting (n=126) (initialization_lambda0): time 0.001671/0.9812, allocations: 1.186 MB / 0.8742 GB, free: 221 MB / 0.67 GB Notification: Performance of prepare postOptimizeDAE: time 1.361e-05/0.9812, allocations: 13.12 kB / 0.8742 GB, free: 221 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.412e-06/0.9812, allocations: 3.281 kB / 0.8742 GB, free: 221 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (initialization): time 8.797e-06/0.9812, allocations: 14.41 kB / 0.8742 GB, free: 221 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008004/0.9821, allocations: 208.3 kB / 0.8744 GB, free: 221 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.137e-05/0.9821, allocations: 13.22 kB / 0.8744 GB, free: 221 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009841/0.9831, allocations: 82.5 kB / 0.8745 GB, free: 220.9 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.441e-05/0.9831, allocations: 36.12 kB / 0.8745 GB, free: 220.9 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 0.0002583/0.9834, allocations: 237.9 kB / 0.8747 GB, free: 220.7 MB / 0.67 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001842/0.9836, allocations: 156.6 kB / 0.8749 GB, free: 220.6 MB / 0.67 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001926/0.9855, allocations: 1.234 MB / 0.8761 GB, free: 220.1 MB / 0.67 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.868e-06/0.9855, allocations: 15.16 kB / 0.8761 GB, free: 220.1 MB / 0.67 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.812e-06/0.9856, allocations: 0 / 0.8761 GB, free: 220.1 MB / 0.67 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001371/0.9869, allocations: 1.006 MB / 0.8771 GB, free: 219.7 MB / 0.67 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003882/0.9908, allocations: 3.157 MB / 0.8802 GB, free: 218.2 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.001e-06/0.9908, allocations: 3.094 kB / 0.8802 GB, free: 218.2 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009693/0.9918, allocations: 231.1 kB / 0.8804 GB, free: 218.1 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (simulation): time 6.832e-06/0.9918, allocations: 6.797 kB / 0.8804 GB, free: 218.1 MB / 0.67 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.372e-05/0.9919, allocations: 33.72 kB / 0.8804 GB, free: 218.1 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.811e-06/0.9919, allocations: 5.156 kB / 0.8804 GB, free: 218.1 MB / 0.67 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.048e-06/0.9919, allocations: 7 kB / 0.8804 GB, free: 218.1 MB / 0.67 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002326/0.9942, allocations: 1.993 MB / 0.8824 GB, free: 217.2 MB / 0.67 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004142/0.9947, allocations: 359.6 kB / 0.8827 GB, free: 216.9 MB / 0.67 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001678/0.9948, allocations: 30.66 kB / 0.8828 GB, free: 216.9 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000799/0.9957, allocations: 37.25 kB / 0.8828 GB, free: 216.9 MB / 0.67 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001374/0.9958, allocations: 69.16 kB / 0.8829 GB, free: 216.9 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.495e-05/0.9959, allocations: 40.92 kB / 0.8829 GB, free: 216.9 MB / 0.67 GB Notification: Performance of sorting global known variables: time 0.0008076/0.9967, allocations: 0.83 MB / 0.8837 GB, free: 216.5 MB / 0.67 GB Notification: Performance of sort global known variables: time 1.2e-07/0.9967, allocations: 0 / 0.8837 GB, free: 216.5 MB / 0.67 GB Notification: Performance of remove unused functions: time 0.001495/0.9982, allocations: 0.8349 MB / 0.8845 GB, free: 216.4 MB / 0.67 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 11 * Number of states: 9 (roo.dynBal.U,roo.dynBal.m,roo.dynBal.mXi[1],oriChiTop.mExc,oriBot.mExc,oriChiBot.mExc,sha.vol.dynBal.U,sha.vol.dynBal.m,sha.vol.dynBal.mXi[1]) * 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 0.003518/1.002, allocations: 3.028 MB / 0.8875 GB, free: 214.8 MB / 0.67 GB Notification: Performance of simCode: created initialization part: time 0.00289/1.005, allocations: 1.863 MB / 0.8893 GB, free: 214.3 MB / 0.67 GB Notification: Performance of simCode: created event and clocks part: time 3.757e-06/1.005, allocations: 2.656 kB / 0.8893 GB, free: 214.3 MB / 0.67 GB Notification: Performance of simCode: created simulation system equations: time 0.000682/1.005, allocations: 0.5638 MB / 0.8899 GB, free: 214.1 MB / 0.67 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003262/1.009, allocations: 0.874 MB / 0.8907 GB, free: 213.9 MB / 0.67 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01392/1.023, allocations: 11.99 MB / 0.9024 GB, free: 207.4 MB / 0.67 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007498/1.023, allocations: 1.37 MB / 0.9038 GB, free: 206.6 MB / 0.67 GB Notification: Performance of simCode: alias equations: time 0.001749/1.025, allocations: 446 kB / 0.9042 GB, free: 206.5 MB / 0.67 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006754/1.026, allocations: 0.6214 MB / 0.9048 GB, free: 206 MB / 0.67 GB Notification: Performance of SimCode: time 6.41e-07/1.026, allocations: 3.828 kB / 0.9048 GB, free: 206 MB / 0.67 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.07307/1.099, allocations: 42.37 MB / 0.9462 GB, free: 185.5 MB / 0.67 GB Notification: Performance of buildModelFMU: Generate platform static: time 7.773/8.872, allocations: 4.047 kB / 0.9462 GB, free: 185.5 MB / 0.67 GB (rm -f IDEAS_IDEAS.Airflow.Multizone.Examples.ChimneyShaftWithVolume.pipe ; mkfifo IDEAS_IDEAS.Airflow.Multizone.Examples.ChimneyShaftWithVolume.pipe ; head -c 1048576 < IDEAS_IDEAS.Airflow.Multizone.Examples.ChimneyShaftWithVolume.pipe >> ../files/IDEAS_IDEAS.Airflow.Multizone.Examples.ChimneyShaftWithVolume.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_IDEAS_IDEAS_Airflow_Multizone_Examples_ChimneyShaftWithVolume_fmu --startTime=0 --stopTime=3600 --timeout=50 --tolerance=1e-06 IDEAS_IDEAS_Airflow_Multizone_Examples_ChimneyShaftWithVolume.fmu > IDEAS_IDEAS.Airflow.Multizone.Examples.ChimneyShaftWithVolume.pipe 2>&1)