Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildingSystems_BuildingSystems.Utilities.Math.Functions.Examples.ExponentialIntegralE1.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: "" <> buildModelFMU(BuildingSystems.Utilities.Math.Functions.Examples.ExponentialIntegralE1,fileNamePrefix="BuildingSystems_BuildingSystems_Utilities_Math_Functions_Examples_ExponentialIntegralE1",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildingSystems.Utilities.Math.Functions.Examples.ExponentialIntegralE1,fileNamePrefix="BuildingSystems_BuildingSystems_Utilities_Math_Functions_Examples_ExponentialIntegralE1",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 0.0008338/0.000834, allocations: 100.1 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 0.0008698/0.0008698, 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 1.156/1.156, allocations: 223.2 MB / 239.9 MB, free: 5.484 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.00165/0.00165, allocations: 262.9 kB / 291.2 MB, free: 2.035 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 0.782/0.782, allocations: 144.6 MB / 487 MB, free: 7.176 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0004386/0.0004388, allocations: 19 kB / 0.5684 GB, free: 38.21 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1256/0.1261, allocations: 83.08 MB / 0.6495 GB, free: 3.52 MB / 446.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Utilities.Math.Functions.Examples.ExponentialIntegralE1): time 0.0005375/0.1266, allocations: 307.7 kB / 0.6498 GB, free: 3.219 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.0002327/0.1269, allocations: 97.05 kB / 0.6499 GB, free: 3.125 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 7.735e-06/0.1269, allocations: 0.5 kB / 0.6499 GB, free: 3.125 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 7.324e-06/0.1269, allocations: 0.5312 kB / 0.6499 GB, free: 3.125 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 3.787e-06/0.1269, allocations: 0 / 0.6499 GB, free: 3.125 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0002106/0.1271, allocations: 24.44 kB / 0.65 GB, free: 3.102 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 2.582e-05/0.1272, allocations: 4.656 kB / 0.65 GB, free: 3.098 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 3.219e-05/0.1272, allocations: 0 / 0.65 GB, free: 3.098 MB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 1.045e-05/0.1272, allocations: 1.844 kB / 0.65 GB, free: 3.098 MB / 446.1 MB Notification: Performance of NFSimplifyModel.simplify: time 1.849e-05/0.1273, allocations: 3.938 kB / 0.65 GB, free: 3.094 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 6.021e-06/0.1273, allocations: 0 / 0.65 GB, free: 3.094 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0001245/0.1274, allocations: 39.95 kB / 0.65 GB, free: 3.055 MB / 446.1 MB Notification: Performance of NFScalarize.scalarize: time 4.809e-06/0.1274, allocations: 0 / 0.65 GB, free: 3.055 MB / 446.1 MB Notification: Performance of NFVerifyModel.verify: time 2.619e-05/0.1274, allocations: 26.89 kB / 0.65 GB, free: 3.023 MB / 446.1 MB Notification: Performance of NFConvertDAE.convert: time 5.988e-05/0.1275, allocations: 19.97 kB / 0.65 GB, free: 3.004 MB / 446.1 MB Notification: Performance of FrontEnd - DAE generated: time 2.023e-06/0.1275, allocations: 0 / 0.65 GB, free: 3.004 MB / 446.1 MB Notification: Performance of FrontEnd: time 1.583e-06/0.1275, allocations: 1.75 kB / 0.65 GB, free: 3.004 MB / 446.1 MB Notification: Performance of Transformations before backend: time 4.9e-06/0.1275, allocations: 0 / 0.65 GB, free: 3.004 MB / 446.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1 * Number of variables: 1 Notification: Performance of Generate backend data structure: time 0.0002033/0.1277, allocations: 315.4 kB / 0.6503 GB, free: 2.648 MB / 446.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.081e-05/0.1278, allocations: 8.031 kB / 0.6504 GB, free: 2.641 MB / 446.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 2.522e-05/0.1278, allocations: 31.53 kB / 0.6504 GB, free: 2.602 MB / 446.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 3.369e-05/0.1278, allocations: 3.984 kB / 0.6504 GB, free: 2.598 MB / 446.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 7.352e-05/0.1279, allocations: 159.8 kB / 0.6505 GB, free: 2.402 MB / 446.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 9.288e-06/0.1279, allocations: 7.891 kB / 0.6505 GB, free: 2.395 MB / 446.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 6.091e-06/0.1279, allocations: 1.25 kB / 0.6505 GB, free: 2.395 MB / 446.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 6.548e-05/0.128, allocations: 29.7 kB / 0.6506 GB, free: 2.359 MB / 446.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 4.568e-06/0.128, allocations: 0.6562 kB / 0.6506 GB, free: 2.359 MB / 446.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.61e-06/0.128, allocations: 0 / 0.6506 GB, free: 2.359 MB / 446.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.156e-06/0.128, allocations: 4.469 kB / 0.6506 GB, free: 2.355 MB / 446.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 1.59e-05/0.1281, allocations: 4.594 kB / 0.6506 GB, free: 2.352 MB / 446.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0001115/0.1282, allocations: 150.2 kB / 0.6507 GB, free: 2.156 MB / 446.1 MB Notification: Performance of preOpt comSubExp (simulation): time 3.111e-05/0.1282, allocations: 27.03 kB / 0.6508 GB, free: 2.121 MB / 446.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0001754/0.1284, allocations: 86.47 kB / 0.6508 GB, free: 2.02 MB / 446.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.114e-05/0.1284, allocations: 31.94 kB / 0.6509 GB, free: 1.98 MB / 446.1 MB Notification: Performance of pre-optimization done (n=1): time 9.72e-07/0.1284, allocations: 0 / 0.6509 GB, free: 1.98 MB / 446.1 MB Notification: Performance of matching and sorting (n=1): time 0.000103/0.1285, allocations: 37.7 kB / 0.6509 GB, free: 1.938 MB / 446.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 2.525e-05/0.1286, allocations: 52.16 kB / 0.651 GB, free: 1.875 MB / 446.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 3.349e-05/0.1286, allocations: 89.86 kB / 0.651 GB, free: 1.777 MB / 446.1 MB Notification: Performance of collectPreVariables (initialization): time 9.618e-06/0.1286, allocations: 26.3 kB / 0.6511 GB, free: 1.746 MB / 446.1 MB Notification: Performance of collectInitialEqns (initialization): time 2.103e-05/0.1287, allocations: 81.64 kB / 0.6511 GB, free: 1.664 MB / 446.1 MB Notification: Performance of collectInitialBindings (initialization): time 1.725e-05/0.1287, allocations: 3.906 kB / 0.6511 GB, free: 1.66 MB / 446.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 1.903e-06/0.1287, allocations: 0 / 0.6511 GB, free: 1.66 MB / 446.1 MB Notification: Performance of setup shared object (initialization): time 9.63e-05/0.1288, allocations: 315.5 kB / 0.6514 GB, free: 1.344 MB / 446.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 8.967e-06/0.1288, allocations: 8.688 kB / 0.6515 GB, free: 1.336 MB / 446.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 3.767e-06/0.1288, allocations: 0 / 0.6515 GB, free: 1.336 MB / 446.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 1.276e-05/0.1288, allocations: 5.031 kB / 0.6515 GB, free: 1.332 MB / 446.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.202e-06/0.1288, allocations: 0 / 0.6515 GB, free: 1.332 MB / 446.1 MB Notification: Performance of matching and sorting (n=1) (initialization): time 5.276e-05/0.1289, allocations: 35.23 kB / 0.6515 GB, free: 1.293 MB / 446.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.097e-05/0.1289, allocations: 7.953 kB / 0.6515 GB, free: 1.285 MB / 446.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.829e-06/0.1289, allocations: 4 kB / 0.6515 GB, free: 1.281 MB / 446.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 9.217e-06/0.1289, allocations: 0 / 0.6515 GB, free: 1.281 MB / 446.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 3.051e-05/0.129, allocations: 4.875 kB / 0.6515 GB, free: 1.277 MB / 446.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.757e-06/0.129, allocations: 0 / 0.6515 GB, free: 1.277 MB / 446.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 9.859e-06/0.129, allocations: 4.703 kB / 0.6515 GB, free: 1.273 MB / 446.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.198e-06/0.129, allocations: 0 / 0.6515 GB, free: 1.273 MB / 446.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 1 * 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 (1): * Single equations (assignments): 1 * 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: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 4.895e-05/0.1291, allocations: 108.3 kB / 0.6516 GB, free: 1.16 MB / 446.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 1.575e-05/0.1291, allocations: 0 / 0.6516 GB, free: 1.16 MB / 446.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 7.042e-05/0.1292, allocations: 44.72 kB / 0.6517 GB, free: 1.113 MB / 446.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.172e-06/0.1292, allocations: 4 kB / 0.6517 GB, free: 1.109 MB / 446.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.906e-06/0.1292, allocations: 0.625 kB / 0.6517 GB, free: 1.109 MB / 446.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.945e-06/0.1292, allocations: 3.984 kB / 0.6517 GB, free: 1.105 MB / 446.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 6.808e-05/0.1292, allocations: 147.6 kB / 0.6518 GB, free: 0.9141 MB / 446.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.41e-07/0.1293, allocations: 0 / 0.6518 GB, free: 0.9141 MB / 446.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 1.158e-05/0.1293, allocations: 4 kB / 0.6518 GB, free: 0.9102 MB / 446.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 1.413e-06/0.1293, allocations: 0 / 0.6518 GB, free: 0.9102 MB / 446.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.837e-06/0.1293, allocations: 0 / 0.6518 GB, free: 0.9102 MB / 446.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.557e-06/0.1293, allocations: 4.641 kB / 0.6518 GB, free: 0.9062 MB / 446.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.32e-07/0.1293, allocations: 3.938 kB / 0.6518 GB, free: 0.9023 MB / 446.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 7.134e-05/0.1294, allocations: 70.67 kB / 0.6519 GB, free: 0.8164 MB / 446.1 MB Notification: Performance of postOpt removeConstants (simulation): time 2.652e-05/0.1294, allocations: 78.52 kB / 0.652 GB, free: 0.7227 MB / 446.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.033e-06/0.1294, allocations: 3.938 kB / 0.652 GB, free: 0.7188 MB / 446.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 6.182e-06/0.1294, allocations: 0 / 0.652 GB, free: 0.7188 MB / 446.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.578e-06/0.1294, allocations: 4.859 kB / 0.652 GB, free: 0.7148 MB / 446.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.603e-06/0.1295, allocations: 0 / 0.652 GB, free: 0.7148 MB / 446.1 MB Notification: Performance of sorting global known variables: time 2.949e-05/0.1295, allocations: 81 kB / 0.652 GB, free: 0.6367 MB / 446.1 MB Notification: Performance of sort global known variables: time 9e-08/0.1295, allocations: 0 / 0.652 GB, free: 0.6367 MB / 446.1 MB Notification: Performance of remove unused functions: time 0.0001768/0.1297, allocations: 11.98 kB / 0.6521 GB, free: 0.625 MB / 446.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * 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 (1): * Single equations (assignments): 1 * 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: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.0003436/0.13, allocations: 0.6065 MB / 0.6527 GB, free: 15.99 MB / 462.1 MB Notification: Performance of simCode: created initialization part: time 4.482e-05/0.1301, allocations: 7.938 kB / 0.6527 GB, free: 15.98 MB / 462.1 MB Notification: Performance of simCode: created event and clocks part: time 1.493e-06/0.1301, allocations: 0 / 0.6527 GB, free: 15.98 MB / 462.1 MB Notification: Performance of simCode: created simulation system equations: time 6.492e-06/0.1301, allocations: 5.875 kB / 0.6527 GB, free: 15.98 MB / 462.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 7.3e-05/0.1302, allocations: 5.828 kB / 0.6527 GB, free: 15.98 MB / 462.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0002207/0.1304, allocations: 108.4 kB / 0.6528 GB, free: 15.83 MB / 462.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001845/0.1306, allocations: 0.6706 MB / 0.6534 GB, free: 15.13 MB / 462.1 MB Notification: Performance of simCode: alias equations: time 1.008e-05/0.1306, allocations: 4 kB / 0.6534 GB, free: 15.13 MB / 462.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 1.073e-05/0.1306, allocations: 7.438 kB / 0.6534 GB, free: 15.12 MB / 462.1 MB Notification: Performance of SimCode: time 2.21e-07/0.1306, allocations: 448 / 0.6534 GB, free: 15.12 MB / 462.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.6018/0.7325, allocations: 0.9672 MB / 0.6544 GB, free: 14.33 MB / 462.1 MB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002389/0.7327, allocations: 214.2 kB / 0.6546 GB, free: 14.09 MB / 462.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 3.076/3.809, allocations: 3.25 kB / 0.6546 GB, free: 14.09 MB / 462.1 MB (rm -f BuildingSystems_BuildingSystems.Utilities.Math.Functions.Examples.ExponentialIntegralE1.pipe ; mkfifo BuildingSystems_BuildingSystems.Utilities.Math.Functions.Examples.ExponentialIntegralE1.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Utilities.Math.Functions.Examples.ExponentialIntegralE1.pipe >> ../files/BuildingSystems_BuildingSystems.Utilities.Math.Functions.Examples.ExponentialIntegralE1.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_BuildingSystems_BuildingSystems_Utilities_Math_Functions_Examples_ExponentialIntegralE1_fmu --startTime=0.01 --stopTime=3 --timeout=50 --tolerance=1e-06 BuildingSystems_BuildingSystems_Utilities_Math_Functions_Examples_ExponentialIntegralE1.fmu > BuildingSystems_BuildingSystems.Utilities.Math.Functions.Examples.ExponentialIntegralE1.pipe 2>&1) Environment - environmentSimulation: