Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.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 3.2.3+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false)
Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo)
Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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(Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume")
translateModel(Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0009191/0.0009194, allocations: 91.61 kB / 15.06 MB, free: 1.098 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0009961/0.0009963, allocations: 172.7 kB / 15.95 MB, free: 208 kB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.406/1.406, allocations: 205.4 MB / 222.1 MB, free: 5.887 MB / 174.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.627/1.627, allocations: 292.7 MB / 0.5499 GB, free: 14.57 MB / 462.1 MB
Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Performance of FrontEnd - loaded program: time 0.0004957/0.0004961, allocations: 12.59 kB / 0.6737 GB, free: 26.39 MB / 0.5294 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2155/0.216, allocations: 116.3 MB / 0.7873 GB, free: 11.96 MB / 0.6075 GB
Notification: Performance of NFInst.instantiate(Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume): time 0.5956/0.8117, allocations: 152.2 MB / 0.9359 GB, free: 6.23 MB / 0.7169 GB
Notification: Performance of NFInst.instExpressions: time 0.01253/0.8243, allocations: 8.169 MB / 0.9439 GB, free: 6.039 MB / 0.7169 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002069/0.8264, allocations: 35.5 kB / 0.9439 GB, free: 6.039 MB / 0.7169 GB
Notification: Performance of NFTyping.typeComponents: time 0.001622/0.828, allocations: 0.5046 MB / 0.9444 GB, free: 6.023 MB / 0.7169 GB
Notification: Performance of NFTyping.typeBindings: time 0.003906/0.8319, allocations: 1.219 MB / 0.9456 GB, free: 5.961 MB / 0.7169 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002985/0.8349, allocations: 0.9319 MB / 0.9465 GB, free: 5.938 MB / 0.7169 GB
Notification: Performance of NFFlatten.flatten: time 0.004324/0.8393, allocations: 3.094 MB / 0.9495 GB, free: 5.93 MB / 0.7169 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.001123/0.8404, allocations: 0.7181 MB / 0.9502 GB, free: 5.844 MB / 0.7169 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.001568/0.842, allocations: 0.8481 MB / 0.9511 GB, free: 5.84 MB / 0.7169 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.00119/0.8432, allocations: 0.9239 MB / 0.952 GB, free: 5.836 MB / 0.7169 GB
Notification: Performance of NFPackage.collectConstants: time 0.0001111/0.8433, allocations: 43.66 kB / 0.952 GB, free: 5.836 MB / 0.7169 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002237/0.8455, allocations: 0.8302 MB / 0.9528 GB, free: 5.809 MB / 0.7169 GB
Notification: Performance of NFScalarize.scalarize: time 0.0002306/0.8458, allocations: 213.2 kB / 0.953 GB, free: 5.809 MB / 0.7169 GB
Notification: Performance of NFVerifyModel.verify: time 0.0005799/0.8464, allocations: 243.2 kB / 0.9533 GB, free: 21.78 MB / 0.7325 GB
Notification: Performance of NFConvertDAE.convert: time 0.001397/0.8478, allocations: 1.224 MB / 0.9545 GB, free: 21.66 MB / 0.7325 GB
Notification: Performance of FrontEnd - DAE generated: time 3.136e-06/0.8478, allocations: 0 / 0.9545 GB, free: 21.66 MB / 0.7325 GB
Notification: Performance of FrontEnd: time 1.443e-06/0.8478, allocations: 1.5 kB / 0.9545 GB, free: 21.66 MB / 0.7325 GB
Notification: Performance of Transformations before backend: time 1.264e-05/0.8478, allocations: 0 / 0.9545 GB, free: 21.66 MB / 0.7325 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 0.002154/0.85, allocations: 1.38 MB / 0.9558 GB, free: 20.85 MB / 0.7325 GB
Notification: Performance of prepare preOptimizeDAE: time 3.502e-05/0.85, allocations: 13.38 kB / 0.9558 GB, free: 20.84 MB / 0.7325 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002575/0.8503, allocations: 138.8 kB / 0.956 GB, free: 20.77 MB / 0.7325 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.001224/0.8515, allocations: 0.8158 MB / 0.9568 GB, free: 20.47 MB / 0.7325 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.027e-05/0.8516, allocations: 65.09 kB / 0.9568 GB, free: 20.46 MB / 0.7325 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001/0.8517, allocations: 76.09 kB / 0.9569 GB, free: 20.46 MB / 0.7325 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.001289/0.853, allocations: 0.8673 MB / 0.9577 GB, free: 20.3 MB / 0.7325 GB
Notification: Performance of preOpt findStateOrder (simulation): time 2.41e-05/0.853, allocations: 5.281 kB / 0.9577 GB, free: 20.3 MB / 0.7325 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.171e-05/0.8531, allocations: 33.78 kB / 0.9578 GB, free: 20.3 MB / 0.7325 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.033e-05/0.8531, allocations: 18.88 kB / 0.9578 GB, free: 20.3 MB / 0.7325 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001111/0.8542, allocations: 0.6331 MB / 0.9584 GB, free: 20.29 MB / 0.7325 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 0.004204/0.8585, allocations: 3.973 MB / 0.9623 GB, free: 18.11 MB / 0.7325 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.001015/0.8595, allocations: 0.572 MB / 0.9628 GB, free: 18.08 MB / 0.7325 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.000459/0.86, allocations: 298.1 kB / 0.9631 GB, free: 18.07 MB / 0.7325 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.00128/0.8612, allocations: 1.243 MB / 0.9643 GB, free: 16.66 MB / 0.7325 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0006087/0.8619, allocations: 330.3 kB / 0.9647 GB, free: 16.6 MB / 0.7325 GB
Notification: Performance of pre-optimization done (n=63): time 2.644e-06/0.8619, allocations: 0 / 0.9647 GB, free: 16.6 MB / 0.7325 GB
Notification: Performance of matching and sorting (n=63): time 0.002527/0.8644, allocations: 1.156 MB / 0.9658 GB, free: 16.29 MB / 0.7325 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 5.592e-05/0.8645, allocations: 83.89 kB / 0.9659 GB, free: 16.19 MB / 0.7325 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001116/0.8656, allocations: 0.8621 MB / 0.9667 GB, free: 16.04 MB / 0.7325 GB
Notification: Performance of collectPreVariables (initialization): time 5.653e-05/0.8657, allocations: 36.58 kB / 0.9667 GB, free: 16.01 MB / 0.7325 GB
Notification: Performance of collectInitialEqns (initialization): time 0.000331/0.866, allocations: 469.3 kB / 0.9672 GB, free: 15.84 MB / 0.7325 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0001623/0.8662, allocations: 219.7 kB / 0.9674 GB, free: 15.7 MB / 0.7325 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 2.768e-05/0.8662, allocations: 12.47 kB / 0.9674 GB, free: 15.7 MB / 0.7325 GB
Notification: Performance of setup shared object (initialization): time 0.000125/0.8663, allocations: 326 kB / 0.9677 GB, free: 15.4 MB / 0.7325 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003507/0.8667, allocations: 207.4 kB / 0.9679 GB, free: 15.4 MB / 0.7325 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003733/0.8671, allocations: 319 kB / 0.9682 GB, free: 15.3 MB / 0.7325 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0003709/0.8675, allocations: 246.7 kB / 0.9685 GB, free: 15.29 MB / 0.7325 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.115e-06/0.8675, allocations: 0 / 0.9685 GB, free: 15.29 MB / 0.7325 GB
Notification: Performance of matching and sorting (n=75) (initialization): time 0.001048/0.8685, allocations: 0.7126 MB / 0.9692 GB, free: 15.18 MB / 0.7325 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0001041/0.8687, allocations: 166.1 kB / 0.9693 GB, free: 15.01 MB / 0.7325 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.778e-06/0.8687, allocations: 2.938 kB / 0.9693 GB, free: 15.01 MB / 0.7325 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.000531/0.8692, allocations: 105.4 kB / 0.9694 GB, free: 15 MB / 0.7325 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004236/0.8696, allocations: 116.5 kB / 0.9695 GB, free: 15 MB / 0.7325 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0005408/0.8702, allocations: 0.6619 MB / 0.9702 GB, free: 14.48 MB / 0.7325 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006655/0.8709, allocations: 95.5 kB / 0.9703 GB, free: 14.44 MB / 0.7325 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.443e-05/0.8709, allocations: 23.53 kB / 0.9703 GB, free: 14.44 MB / 0.7325 GB
Notification: Performance of prepare postOptimizeDAE: time 8.005e-06/0.8709, allocations: 4.547 kB / 0.9703 GB, free: 14.44 MB / 0.7325 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.0008543/0.8718, allocations: 0.5753 MB / 0.9709 GB, free: 14.41 MB / 0.7325 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.029e-06/0.8718, allocations: 7.219 kB / 0.9709 GB, free: 14.41 MB / 0.7325 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0003814/0.8722, allocations: 107.7 kB / 0.971 GB, free: 14.4 MB / 0.7325 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003616/0.8726, allocations: 115.3 kB / 0.9711 GB, free: 14.4 MB / 0.7325 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0004424/0.873, allocations: 0.6611 MB / 0.9717 GB, free: 13.87 MB / 0.7325 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005153/0.8736, allocations: 89.11 kB / 0.9718 GB, free: 13.84 MB / 0.7325 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.987e-05/0.8736, allocations: 32.31 kB / 0.9718 GB, free: 13.83 MB / 0.7325 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 0.0004921/0.8741, allocations: 327.1 kB / 0.9721 GB, free: 13.64 MB / 0.7325 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001422/0.8743, allocations: 99.19 kB / 0.9722 GB, free: 13.59 MB / 0.7325 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001663/0.8759, allocations: 0.9427 MB / 0.9732 GB, free: 13.48 MB / 0.7325 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.482e-05/0.876, allocations: 15.72 kB / 0.9732 GB, free: 13.48 MB / 0.7325 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 6.513e-06/0.876, allocations: 1.859 kB / 0.9732 GB, free: 13.48 MB / 0.7325 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001161/0.8772, allocations: 0.858 MB / 0.974 GB, free: 13.19 MB / 0.7325 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002467/0.8796, allocations: 1.856 MB / 0.9758 GB, free: 12.82 MB / 0.7325 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.564e-06/0.8797, allocations: 5.344 kB / 0.9758 GB, free: 12.82 MB / 0.7325 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00039/0.88, allocations: 102.9 kB / 0.9759 GB, free: 12.82 MB / 0.7325 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0005151/0.8806, allocations: 164.1 kB / 0.9761 GB, free: 12.8 MB / 0.7325 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.046e-05/0.8806, allocations: 17.91 kB / 0.9761 GB, free: 12.8 MB / 0.7325 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0009093/0.8815, allocations: 1.248 MB / 0.9773 GB, free: 11.75 MB / 0.7325 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.565e-06/0.8816, allocations: 3.953 kB / 0.9773 GB, free: 11.75 MB / 0.7325 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001878/0.8834, allocations: 1.279 MB / 0.9786 GB, free: 11.5 MB / 0.7325 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0004316/0.8839, allocations: 273 kB / 0.9788 GB, free: 11.35 MB / 0.7325 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001124/0.884, allocations: 21.2 kB / 0.9789 GB, free: 11.34 MB / 0.7325 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004857/0.8845, allocations: 59.39 kB / 0.9789 GB, free: 11.33 MB / 0.7325 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 8.799e-05/0.8846, allocations: 52.5 kB / 0.979 GB, free: 11.33 MB / 0.7325 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.004e-05/0.8847, allocations: 23.19 kB / 0.979 GB, free: 11.33 MB / 0.7325 GB
Notification: Performance of sorting global known variables: time 0.0006046/0.8853, allocations: 0.5966 MB / 0.9796 GB, free: 11.22 MB / 0.7325 GB
Notification: Performance of sort global known variables: time 1.3e-07/0.8853, allocations: 0 / 0.9796 GB, free: 11.22 MB / 0.7325 GB
Notification: Performance of remove unused functions: time 0.001317/0.8866, allocations: 0.5469 MB / 0.9801 GB, free: 11.14 MB / 0.7325 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 0.001259/0.8879, allocations: 0.7102 MB / 0.9808 GB, free: 10.86 MB / 0.7325 GB
Notification: Performance of simCode: created initialization part: time 0.001541/0.8894, allocations: 0.9196 MB / 0.9817 GB, free: 10.83 MB / 0.7325 GB
Notification: Performance of simCode: created event and clocks part: time 3.576e-06/0.8894, allocations: 3.5 kB / 0.9817 GB, free: 10.83 MB / 0.7325 GB
Notification: Performance of simCode: created simulation system equations: time 0.0006257/0.8901, allocations: 389.8 kB / 0.9821 GB, free: 10.82 MB / 0.7325 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00186/0.8919, allocations: 430.5 kB / 0.9825 GB, free: 10.78 MB / 0.7325 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003395/0.8953, allocations: 2.521 MB / 0.9849 GB, free: 9.422 MB / 0.7325 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006267/0.896, allocations: 1.073 MB / 0.986 GB, free: 8.566 MB / 0.7325 GB
Notification: Performance of simCode: alias equations: time 0.0009458/0.8969, allocations: 212 kB / 0.9862 GB, free: 8.461 MB / 0.7325 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002002/0.8971, allocations: 83.91 kB / 0.9863 GB, free: 8.445 MB / 0.7325 GB
Notification: Performance of SimCode: time 1.503e-06/0.8972, allocations: 0 / 0.9863 GB, free: 8.445 MB / 0.7325 GB
Notification: Performance of Templates: time 0.03086/0.928, allocations: 19.38 MB / 1.005 GB, free: 14.84 MB / 0.7481 GB
make -j1 -f Buildings_8_Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume.makefile
Environment - environmentSimulation:
(rm -f Buildings_8_Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume.pipe ; mkfifo Buildings_8_Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume.pipe ; head -c 1048576 < Buildings_8_Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume.pipe >> ../files/Buildings_8_Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume.sim & ./Buildings_8_Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume  -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume.pipe 2>&1)
Environment - environmentSimulation: