Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildingSystems_BuildingSystems.Fluid.Sensors.Examples.TemperatureWetBulb.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/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-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(BuildingSystems.Fluid.Sensors.Examples.TemperatureWetBulb,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Sensors.Examples.TemperatureWetBulb") translateModel(BuildingSystems.Fluid.Sensors.Examples.TemperatureWetBulb,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Sensors.Examples.TemperatureWetBulb") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008145/0.0008146, allocations: 99.7 kB / 15.05 MB, free: 1.105 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0008551/0.0008552, allocations: 177.3 kB / 15.95 MB, free: 216 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.17/1.17, allocations: 223.2 MB / 239.9 MB, free: 5.426 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.00161/0.00161, allocations: 267.1 kB / 291.3 MB, free: 1.98 MB / 238.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:5:3-5:34:writable] Warning: Got element f_alp that was not referenced in the package.order file. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:6:3-6:35:writable] Warning: Elements in the package.mo-file need to be in the same relative order as the package.order file. Got element named f_lay but it was already added because it was not the next element in the list at that time. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:6:3-6:35:writable] Warning: Got element f_lay that was not referenced in the package.order file. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:7:3-7:37:writable] Warning: Elements in the package.mo-file need to be in the same relative order as the package.order file. Got element named f_loss but it was already added because it was not the next element in the list at that time. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:7:3-7:37:writable] Warning: Got element f_loss that was not referenced in the package.order file. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:8:3-8:33:writable] Warning: Elements in the package.mo-file need to be in the same relative order as the package.order file. Got element named f_pv but it was already added because it was not the next element in the list at that time. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:8:3-8:33:writable] Warning: Got element f_pv that was not referenced in the package.order file. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:2:1-34:14:writable] Warning: f_pv was referenced in the package.order file, but was not found in package.mo, f_pv/package.mo or f_pv.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.7283/0.7283, allocations: 144.6 MB / 487 MB, free: 7.148 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0003834/0.0003836, allocations: 18.81 kB / 0.5683 GB, free: 38.26 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1184/0.1188, allocations: 83.08 MB / 0.6494 GB, free: 3.551 MB / 446.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.Sensors.Examples.TemperatureWetBulb): time 0.3967/0.5155, allocations: 135.6 MB / 0.7819 GB, free: 2.25 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.003328/0.5188, allocations: 3.031 MB / 0.7848 GB, free: 2.207 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0002144/0.5191, allocations: 6.438 kB / 0.7848 GB, free: 2.207 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.0004963/0.5196, allocations: 160.8 kB / 0.785 GB, free: 2.207 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.0007465/0.5203, allocations: 354.6 kB / 0.7853 GB, free: 2.203 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.001065/0.5214, allocations: 469.6 kB / 0.7858 GB, free: 2.199 MB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.0004032/0.5218, allocations: 371 kB / 0.7861 GB, free: 2.199 MB / 0.5606 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0003024/0.5221, allocations: 188.7 kB / 0.7863 GB, free: 2.188 MB / 0.5606 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0006269/0.5228, allocations: 341.9 kB / 0.7866 GB, free: 2.188 MB / 0.5606 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001769/0.523, allocations: 133.8 kB / 0.7867 GB, free: 2.188 MB / 0.5606 GB Notification: Performance of NFPackage.collectConstants: time 2.734e-05/0.523, allocations: 11.78 kB / 0.7868 GB, free: 2.188 MB / 0.5606 GB Notification: Performance of NFFlatten.collectFunctions: time 0.000486/0.5235, allocations: 258.7 kB / 0.787 GB, free: 2.184 MB / 0.5606 GB Notification: Performance of NFScalarize.scalarize: time 9.187e-05/0.5236, allocations: 77.31 kB / 0.7871 GB, free: 2.184 MB / 0.5606 GB Notification: Performance of NFVerifyModel.verify: time 0.0001805/0.5238, allocations: 80.02 kB / 0.7872 GB, free: 18.15 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.0003993/0.5242, allocations: 308.5 kB / 0.7874 GB, free: 18.14 MB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 2.255e-06/0.5242, allocations: 2.734 kB / 0.7874 GB, free: 18.14 MB / 0.5762 GB Notification: Performance of FrontEnd: time 1.333e-06/0.5242, allocations: 5.219 kB / 0.7875 GB, free: 18.13 MB / 0.5762 GB Notification: Performance of Transformations before backend: time 5.23e-06/0.5242, allocations: 0 / 0.7875 GB, free: 18.13 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: 49 * Number of variables: 49 Notification: Performance of Generate backend data structure: time 0.0008236/0.525, allocations: 0.5873 MB / 0.788 GB, free: 17.68 MB / 0.5762 GB Notification: Performance of prepare preOptimizeDAE: time 3.001e-05/0.5251, allocations: 6.781 kB / 0.788 GB, free: 17.68 MB / 0.5762 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0004525/0.5255, allocations: 82.97 kB / 0.7881 GB, free: 17.66 MB / 0.5762 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003541/0.5259, allocations: 284.5 kB / 0.7884 GB, free: 17.43 MB / 0.5762 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.455e-05/0.5259, allocations: 15.39 kB / 0.7884 GB, free: 17.43 MB / 0.5762 GB Notification: Performance of preOpt expandDerOperator (simulation): time 3.383e-05/0.526, allocations: 21.78 kB / 0.7884 GB, free: 17.43 MB / 0.5762 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0005757/0.5265, allocations: 329.6 kB / 0.7887 GB, free: 17.35 MB / 0.5762 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.187e-06/0.5266, allocations: 0 / 0.7887 GB, free: 17.35 MB / 0.5762 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.675e-05/0.5266, allocations: 7.188 kB / 0.7887 GB, free: 17.35 MB / 0.5762 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.433e-06/0.5266, allocations: 5.594 kB / 0.7887 GB, free: 17.35 MB / 0.5762 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006215/0.5272, allocations: 286.2 kB / 0.789 GB, free: 17.34 MB / 0.5762 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 0.001433/0.5287, allocations: 1.246 MB / 0.7902 GB, free: 16.48 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0004576/0.5291, allocations: 211.4 kB / 0.7904 GB, free: 16.45 MB / 0.5762 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003844/0.5295, allocations: 141.4 kB / 0.7906 GB, free: 16.35 MB / 0.5762 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.102e-05/0.5296, allocations: 33.09 kB / 0.7906 GB, free: 16.31 MB / 0.5762 GB Notification: Performance of pre-optimization done (n=14): time 1.273e-06/0.5296, allocations: 0 / 0.7906 GB, free: 16.31 MB / 0.5762 GB Notification: Performance of matching and sorting (n=14): time 0.002142/0.5317, allocations: 0.621 MB / 0.7912 GB, free: 16.14 MB / 0.5762 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.094e-05/0.5318, allocations: 53.22 kB / 0.7913 GB, free: 16.08 MB / 0.5762 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002413/0.532, allocations: 253.5 kB / 0.7915 GB, free: 15.98 MB / 0.5762 GB Notification: Performance of collectPreVariables (initialization): time 2.624e-05/0.532, allocations: 34.52 kB / 0.7915 GB, free: 15.95 MB / 0.5762 GB Notification: Performance of collectInitialEqns (initialization): time 9.313e-05/0.5321, allocations: 166.4 kB / 0.7917 GB, free: 15.84 MB / 0.5762 GB Notification: Performance of collectInitialBindings (initialization): time 3.695e-05/0.5322, allocations: 51.61 kB / 0.7917 GB, free: 15.8 MB / 0.5762 GB Notification: Performance of simplifyInitialFunctions (initialization): time 1.102e-05/0.5322, allocations: 4.688 kB / 0.7917 GB, free: 15.8 MB / 0.5762 GB Notification: Performance of setup shared object (initialization): time 9.884e-05/0.5323, allocations: 331 kB / 0.7921 GB, free: 15.49 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002979/0.5326, allocations: 113 kB / 0.7922 GB, free: 15.49 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003175/0.5329, allocations: 158.6 kB / 0.7923 GB, free: 15.44 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003045/0.5332, allocations: 119.7 kB / 0.7924 GB, free: 15.43 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.264e-06/0.5332, allocations: 1.062 kB / 0.7924 GB, free: 15.43 MB / 0.5762 GB Notification: Performance of matching and sorting (n=18) (initialization): time 0.001112/0.5344, allocations: 381.2 kB / 0.7928 GB, free: 15.37 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 1.66e-05/0.5344, allocations: 13.03 kB / 0.7928 GB, free: 15.37 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.212e-06/0.5344, allocations: 2.031 kB / 0.7928 GB, free: 15.37 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005416/0.535, allocations: 88.19 kB / 0.7929 GB, free: 15.36 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002227/0.5352, allocations: 51.02 kB / 0.7929 GB, free: 15.36 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001792/0.537, allocations: 1.634 MB / 0.7945 GB, free: 14.05 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002488/0.5372, allocations: 51.48 kB / 0.7946 GB, free: 14.03 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.398e-05/0.5373, allocations: 6.625 kB / 0.7946 GB, free: 14.03 MB / 0.5762 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 6 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (16): * Single equations (assignments): 15 * 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 {1 2} Notification: Performance of prepare postOptimizeDAE: time 0.0001366/0.5374, allocations: 141.6 kB / 0.7947 GB, free: 13.92 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 4.626e-05/0.5375, allocations: 27.45 kB / 0.7948 GB, free: 13.9 MB / 0.5762 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001113/0.5386, allocations: 396.1 kB / 0.7951 GB, free: 13.85 MB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.978e-06/0.5386, allocations: 7.469 kB / 0.7951 GB, free: 13.84 MB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.683e-06/0.5386, allocations: 0.9688 kB / 0.7951 GB, free: 13.84 MB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.916e-06/0.5386, allocations: 0 / 0.7951 GB, free: 13.84 MB / 0.5762 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001936/0.5406, allocations: 0.9583 MB / 0.7961 GB, free: 13.39 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.086e-06/0.5406, allocations: 2.781 kB / 0.7961 GB, free: 13.39 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000192/0.5408, allocations: 49.64 kB / 0.7961 GB, free: 13.38 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004492/0.5412, allocations: 88.11 kB / 0.7962 GB, free: 13.37 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.698e-05/0.5413, allocations: 5.719 kB / 0.7962 GB, free: 13.37 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001684/0.5429, allocations: 1.641 MB / 0.7978 GB, free: 12.07 MB / 0.5762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.938e-06/0.543, allocations: 6.25 kB / 0.7978 GB, free: 12.07 MB / 0.5762 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001063/0.544, allocations: 0.5484 MB / 0.7984 GB, free: 11.78 MB / 0.5762 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001186/0.5442, allocations: 121.5 kB / 0.7985 GB, free: 11.67 MB / 0.5762 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.24e-05/0.5442, allocations: 2.5 kB / 0.7985 GB, free: 11.67 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002625/0.5445, allocations: 42.09 kB / 0.7985 GB, free: 11.66 MB / 0.5762 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.8e-05/0.5445, allocations: 25.56 kB / 0.7985 GB, free: 11.66 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.204e-05/0.5446, allocations: 5.844 kB / 0.7986 GB, free: 11.66 MB / 0.5762 GB Notification: Performance of sorting global known variables: time 0.0001496/0.5447, allocations: 183 kB / 0.7987 GB, free: 11.58 MB / 0.5762 GB Notification: Performance of sort global known variables: time 1.4e-07/0.5447, allocations: 0 / 0.7987 GB, free: 11.58 MB / 0.5762 GB Notification: Performance of remove unused functions: time 0.0004077/0.5451, allocations: 85.28 kB / 0.7988 GB, free: 11.57 MB / 0.5762 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 6 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (12): * Single equations (assignments): 11 * 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 {1 3} Notification: Performance of Backend phase and start with SimCode phase: time 0.00031/0.5455, allocations: 151.3 kB / 0.799 GB, free: 11.47 MB / 0.5762 GB Notification: Performance of simCode: created initialization part: time 0.0009337/0.5464, allocations: 395.6 kB / 0.7993 GB, free: 11.36 MB / 0.5762 GB Notification: Performance of simCode: created event and clocks part: time 2.314e-06/0.5464, allocations: 0 / 0.7993 GB, free: 11.36 MB / 0.5762 GB Notification: Performance of simCode: created simulation system equations: time 0.0005273/0.547, allocations: 273.5 kB / 0.7996 GB, free: 11.24 MB / 0.5762 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0005852/0.5475, allocations: 124.3 kB / 0.7997 GB, free: 11.22 MB / 0.5762 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00178/0.5493, allocations: 0.7139 MB / 0.8004 GB, free: 10.88 MB / 0.5762 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002833/0.5496, allocations: 0.778 MB / 0.8012 GB, free: 10.18 MB / 0.5762 GB Notification: Performance of simCode: alias equations: time 0.0001921/0.5498, allocations: 49.16 kB / 0.8012 GB, free: 10.17 MB / 0.5762 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 6.788e-05/0.5499, allocations: 23.28 kB / 0.8012 GB, free: 10.16 MB / 0.5762 GB Notification: Performance of SimCode: time 2.3e-07/0.5499, allocations: 0 / 0.8012 GB, free: 10.16 MB / 0.5762 GB Notification: Performance of Templates: time 0.008831/0.5587, allocations: 5.275 MB / 0.8064 GB, free: 9.82 MB / 0.5762 GB make -j1 -f BuildingSystems_BuildingSystems.Fluid.Sensors.Examples.TemperatureWetBulb.makefile Environment - environmentSimulation: (rm -f BuildingSystems_BuildingSystems.Fluid.Sensors.Examples.TemperatureWetBulb.pipe ; mkfifo BuildingSystems_BuildingSystems.Fluid.Sensors.Examples.TemperatureWetBulb.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Fluid.Sensors.Examples.TemperatureWetBulb.pipe >> ../files/BuildingSystems_BuildingSystems.Fluid.Sensors.Examples.TemperatureWetBulb.sim & ./BuildingSystems_BuildingSystems.Fluid.Sensors.Examples.TemperatureWetBulb -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.Fluid.Sensors.Examples.TemperatureWetBulb.pipe 2>&1) Environment - environmentSimulation: