Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor.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.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor") translateModel(Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008952/0.0008952, allocations: 91.84 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 0.0009097/0.0009099, 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 1.397/1.397, allocations: 205.4 MB / 222.1 MB, free: 5.66 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 1.623/1.623, 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 0.0005043/0.0005043, allocations: 18.72 kB / 0.6737 GB, free: 26.06 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2248/0.2253, allocations: 116.3 MB / 0.7873 GB, free: 11.96 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor): time 0.004542/0.2299, allocations: 3.596 MB / 0.7908 GB, free: 8.344 MB / 0.6075 GB Notification: Performance of NFInst.instExpressions: time 0.6166/0.8466, allocations: 136.4 MB / 0.924 GB, free: 5.457 MB / 0.7169 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0007255/0.8474, allocations: 17.16 kB / 0.924 GB, free: 5.457 MB / 0.7169 GB Notification: Performance of NFTyping.typeComponents: time 0.0005266/0.8479, allocations: 131.1 kB / 0.9242 GB, free: 5.449 MB / 0.7169 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/BoundaryConditions/WeatherData/BaseClasses/getHeaderElementTMY3.mo:2:1-105:25:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘ contains a call to impure function ‘Modelica.Utilities.Streams.readLine‘. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/BoundaryConditions/WeatherData/BaseClasses/getLongitudeTMY3.mo:2:1-48:21:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getLongitudeTMY3‘ contains a call to impure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/BoundaryConditions/WeatherData/BaseClasses/getLatitudeTMY3.mo:2:1-48:20:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getLatitudeTMY3‘ contains a call to impure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/BoundaryConditions/WeatherData/BaseClasses/getTimeZoneTMY3.mo:2:1-47:20:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getTimeZoneTMY3‘ contains a call to impure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘. Notification: Performance of NFTyping.typeBindings: time 0.001481/0.8494, allocations: 352.1 kB / 0.9245 GB, free: 5.426 MB / 0.7169 GB Notification: Performance of NFTyping.typeClassSections: time 0.002144/0.8516, allocations: 0.5876 MB / 0.9251 GB, free: 5.402 MB / 0.7169 GB Notification: Performance of NFFlatten.flatten: time 0.001217/0.8528, allocations: 1.032 MB / 0.9261 GB, free: 5.398 MB / 0.7169 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0006642/0.8535, allocations: 402.8 kB / 0.9265 GB, free: 5.312 MB / 0.7169 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0005822/0.854, allocations: 296.9 kB / 0.9267 GB, free: 5.238 MB / 0.7169 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0004389/0.8545, allocations: 320.2 kB / 0.9271 GB, free: 5.156 MB / 0.7169 GB Notification: Performance of NFPackage.collectConstants: time 7.087e-05/0.8546, allocations: 26.62 kB / 0.9271 GB, free: 5.152 MB / 0.7169 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001492/0.8561, allocations: 0.649 MB / 0.9277 GB, free: 5.117 MB / 0.7169 GB Notification: Performance of NFScalarize.scalarize: time 0.000198/0.8563, allocations: 157.5 kB / 0.9279 GB, free: 5.082 MB / 0.7169 GB Notification: Performance of NFVerifyModel.verify: time 0.0004228/0.8567, allocations: 174.7 kB / 0.928 GB, free: 21.02 MB / 0.7325 GB Notification: Performance of NFConvertDAE.convert: time 0.001624/0.8583, allocations: 1.127 MB / 0.9291 GB, free: 20.93 MB / 0.7325 GB Notification: Performance of FrontEnd - DAE generated: time 6.682e-06/0.8584, allocations: 0 / 0.9291 GB, free: 20.93 MB / 0.7325 GB Notification: Performance of FrontEnd: time 3.476e-06/0.8584, allocations: 0 / 0.9291 GB, free: 20.93 MB / 0.7325 GB Notification: Performance of Transformations before backend: time 2.025e-05/0.8584, allocations: 2.625 kB / 0.9291 GB, free: 20.93 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: 174 * Number of variables: 174 Notification: Performance of Generate backend data structure: time 0.00216/0.8606, allocations: 1.144 MB / 0.9303 GB, free: 20.2 MB / 0.7325 GB Notification: Performance of prepare preOptimizeDAE: time 3.742e-05/0.8606, allocations: 9.281 kB / 0.9303 GB, free: 20.2 MB / 0.7325 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001024/0.8616, allocations: 211.1 kB / 0.9305 GB, free: 20.14 MB / 0.7325 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008887/0.8625, allocations: 0.6641 MB / 0.9311 GB, free: 19.84 MB / 0.7325 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.383e-05/0.8626, allocations: 56.42 kB / 0.9312 GB, free: 19.84 MB / 0.7325 GB Notification: Performance of preOpt expandDerOperator (simulation): time 8.089e-05/0.8627, allocations: 66.38 kB / 0.9312 GB, free: 19.84 MB / 0.7325 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001318/0.864, allocations: 0.8301 MB / 0.932 GB, free: 19.67 MB / 0.7325 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.958e-05/0.8641, allocations: 3.938 kB / 0.932 GB, free: 19.66 MB / 0.7325 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.85e-05/0.8641, allocations: 29 kB / 0.9321 GB, free: 19.66 MB / 0.7325 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.386e-05/0.8641, allocations: 17.56 kB / 0.9321 GB, free: 19.66 MB / 0.7325 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001639/0.8658, allocations: 1.084 MB / 0.9331 GB, free: 19.65 MB / 0.7325 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.00346/0.8693, allocations: 2.367 MB / 0.9355 GB, free: 18.79 MB / 0.7325 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001479/0.8708, allocations: 0.7475 MB / 0.9362 GB, free: 18.74 MB / 0.7325 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0007161/0.8715, allocations: 310.4 kB / 0.9365 GB, free: 18.73 MB / 0.7325 GB Notification: Performance of preOpt evalFunc (simulation): time 8.829e-05/0.8716, allocations: 28.44 kB / 0.9365 GB, free: 18.73 MB / 0.7325 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0009369/0.8725, allocations: 471.6 kB / 0.937 GB, free: 18.65 MB / 0.7325 GB Notification: Performance of pre-optimization done (n=73): time 2.655e-06/0.8725, allocations: 0.5 kB / 0.937 GB, free: 18.65 MB / 0.7325 GB Notification: Performance of matching and sorting (n=73): time 0.003188/0.8757, allocations: 1.186 MB / 0.9381 GB, free: 18.44 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001187/0.8759, allocations: 191.9 kB / 0.9383 GB, free: 18.22 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0009235/0.8768, allocations: 0.5797 MB / 0.9389 GB, free: 18.09 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 7.867e-05/0.8769, allocations: 44.86 kB / 0.9389 GB, free: 18.06 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002951/0.8772, allocations: 353.7 kB / 0.9392 GB, free: 17.89 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001932/0.8774, allocations: 237.3 kB / 0.9395 GB, free: 17.74 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 4.033e-05/0.8774, allocations: 13.12 kB / 0.9395 GB, free: 17.74 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 0.0001749/0.8776, allocations: 386.5 kB / 0.9399 GB, free: 17.43 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006777/0.8783, allocations: 269 kB / 0.9401 GB, free: 17.42 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007735/0.8791, allocations: 371.7 kB / 0.9405 GB, free: 17.36 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00073/0.8798, allocations: 309.1 kB / 0.9408 GB, free: 17.35 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.529e-06/0.8799, allocations: 0.5938 kB / 0.9408 GB, free: 17.35 MB / 0.7325 GB Notification: Performance of matching and sorting (n=87) (initialization): time 0.001956/0.8818, allocations: 0.8566 MB / 0.9416 GB, free: 17.23 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 2.277e-05/0.8818, allocations: 4.906 kB / 0.9416 GB, free: 17.23 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.137e-06/0.8819, allocations: 5.344 kB / 0.9416 GB, free: 17.23 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005055/0.8824, allocations: 86.36 kB / 0.9417 GB, free: 17.21 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000659/0.883, allocations: 167.2 kB / 0.9418 GB, free: 17.2 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00208/0.8851, allocations: 1.536 MB / 0.9433 GB, free: 15.9 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007503/0.8859, allocations: 91.73 kB / 0.9434 GB, free: 15.87 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.813e-05/0.886, allocations: 38.56 kB / 0.9435 GB, free: 15.87 MB / 0.7325 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 5 * Number of states: 0 () * Number of discrete variables: 8 ($whenCondition2,$whenCondition1,$PRE.weaDatInpCon.conTimMin.tNext,weaDatInpCon.conTimMin.tNext,$PRE.weaDatInpCon.conTim.tNext,weaDatInpCon.conTim.tNext,weaDatInpCon.conTimMin.canRepeatWeatherFile,weaDatInpCon.conTim.canRepeatWeatherFile) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (85): * Single equations (assignments): 84 * 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 0.0004718/0.8865, allocations: 250.4 kB / 0.9437 GB, free: 15.75 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001193/0.8866, allocations: 81.02 kB / 0.9438 GB, free: 15.7 MB / 0.7325 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002456/0.8891, allocations: 1.124 MB / 0.9449 GB, free: 15.54 MB / 0.7325 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.578e-06/0.8891, allocations: 8.625 kB / 0.9449 GB, free: 15.54 MB / 0.7325 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.227e-06/0.8891, allocations: 1.125 kB / 0.9449 GB, free: 15.54 MB / 0.7325 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.398e-06/0.8891, allocations: 3.188 kB / 0.9449 GB, free: 15.54 MB / 0.7325 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0009735/0.8901, allocations: 0.852 MB / 0.9457 GB, free: 15.3 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.038e-06/0.8901, allocations: 0.9688 kB / 0.9457 GB, free: 15.3 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006047/0.8907, allocations: 162.6 kB / 0.9459 GB, free: 15.29 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004417/0.8912, allocations: 87.14 kB / 0.946 GB, free: 15.28 MB / 0.7325 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.184e-05/0.8912, allocations: 24.28 kB / 0.946 GB, free: 15.28 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001648/0.8929, allocations: 1.55 MB / 0.9475 GB, free: 13.98 MB / 0.7325 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.615e-06/0.8929, allocations: 1.25 kB / 0.9475 GB, free: 13.98 MB / 0.7325 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001876/0.8948, allocations: 0.9213 MB / 0.9484 GB, free: 13.82 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003766/0.8952, allocations: 273 kB / 0.9487 GB, free: 13.67 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.927e-05/0.8953, allocations: 15.41 kB / 0.9487 GB, free: 13.67 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005267/0.8958, allocations: 81.39 kB / 0.9488 GB, free: 13.66 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001442/0.896, allocations: 63.56 kB / 0.9488 GB, free: 13.66 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.323e-05/0.8961, allocations: 38.86 kB / 0.9489 GB, free: 13.66 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.000609/0.8967, allocations: 418 kB / 0.9493 GB, free: 13.57 MB / 0.7325 GB Notification: Performance of sort global known variables: time 1.6e-07/0.8967, allocations: 0 / 0.9493 GB, free: 13.57 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.001066/0.8978, allocations: 273.8 kB / 0.9495 GB, free: 13.53 MB / 0.7325 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 4 ($whenCondition2,$whenCondition1,weaDatInpCon.conTimMin.tNext,weaDatInpCon.conTim.tNext) * Number of discrete states: 2 (weaDatInpCon.conTimMin.tNext,weaDatInpCon.conTim.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (87): * Single equations (assignments): 84 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * 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 0.001316/0.8991, allocations: 0.5768 MB / 0.9501 GB, free: 13.3 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.002084/0.9012, allocations: 0.8352 MB / 0.9509 GB, free: 13.15 MB / 0.7325 GB Notification: Performance of simCode: created event and clocks part: time 5.992e-06/0.9012, allocations: 1.281 kB / 0.9509 GB, free: 13.15 MB / 0.7325 GB Notification: Performance of simCode: created simulation system equations: time 0.001015/0.9022, allocations: 0.5168 MB / 0.9514 GB, free: 13.02 MB / 0.7325 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001218/0.9034, allocations: 249 kB / 0.9516 GB, free: 13 MB / 0.7325 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004009/0.9075, allocations: 2.016 MB / 0.9536 GB, free: 12.11 MB / 0.7325 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007016/0.9082, allocations: 0.9848 MB / 0.9546 GB, free: 11.4 MB / 0.7325 GB Notification: Performance of simCode: alias equations: time 0.001061/0.9093, allocations: 260 kB / 0.9548 GB, free: 11.32 MB / 0.7325 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002635/0.9095, allocations: 105.7 kB / 0.9549 GB, free: 11.31 MB / 0.7325 GB Notification: Performance of SimCode: time 8.72e-07/0.9095, allocations: 0 / 0.9549 GB, free: 11.31 MB / 0.7325 GB Notification: Performance of Templates: time 0.0234/0.933, allocations: 13.11 MB / 0.9677 GB, free: 6.375 MB / 0.7325 GB make -j1 -f Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor.makefile Environment - environmentSimulation: (rm -f Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor.pipe ; mkfifo Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor.pipe ; head -c 1048576 < Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor.pipe >> ../files/Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor.sim & ./Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor.pipe 2>&1) Environment - environmentSimulation: