Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildingSystems_BuildingSystems.Utilities.Math.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.Examples.ExponentialIntegralE1,fileNamePrefix="BuildingSystems_BuildingSystems_Utilities_Math_Examples_ExponentialIntegralE1",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildingSystems.Utilities.Math.Examples.ExponentialIntegralE1,fileNamePrefix="BuildingSystems_BuildingSystems_Utilities_Math_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 0.0008239/0.0008239, 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 0.0008218/0.0008219, 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 4.0.0+maint.om/package.mo): time 1.297/1.297, allocations: 223.2 MB / 240 MB, free: 5.43 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.001738/0.001738, allocations: 271 kB / 291.3 MB, free: 1.973 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 0.8168/0.8168, allocations: 144.7 MB / 487.2 MB, free: 7.113 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0004422/0.0004423, allocations: 14.84 kB / 0.5686 GB, free: 38.31 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1563/0.1567, allocations: 83.09 MB / 0.6497 GB, free: 3.43 MB / 446.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Utilities.Math.Examples.ExponentialIntegralE1): time 0.001653/0.1584, allocations: 1.139 MB / 0.6508 GB, free: 2.281 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.0004018/0.1588, allocations: 153.4 kB / 0.651 GB, free: 2.133 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 2.498e-05/0.1589, allocations: 0 / 0.651 GB, free: 2.133 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 1.784e-05/0.1589, allocations: 3.938 kB / 0.651 GB, free: 2.129 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 4.908e-05/0.159, allocations: 0.9688 kB / 0.651 GB, free: 2.129 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0002711/0.1592, allocations: 23.92 kB / 0.651 GB, free: 2.105 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 5.791e-05/0.1593, allocations: 27.86 kB / 0.651 GB, free: 2.078 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 8.091e-05/0.1594, allocations: 6.094 kB / 0.651 GB, free: 2.074 MB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 4.115e-05/0.1594, allocations: 7.969 kB / 0.651 GB, free: 2.066 MB / 446.1 MB Notification: Performance of NFSimplifyModel.simplify: time 3.867e-05/0.1595, allocations: 11.94 kB / 0.6511 GB, free: 2.055 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 1.092e-05/0.1595, allocations: 0 / 0.6511 GB, free: 2.055 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0001298/0.1596, allocations: 50.2 kB / 0.6511 GB, free: 2.008 MB / 446.1 MB Notification: Performance of NFScalarize.scalarize: time 1.033e-05/0.1597, allocations: 4 kB / 0.6511 GB, free: 2.004 MB / 446.1 MB Notification: Performance of NFVerifyModel.verify: time 2.655e-05/0.1597, allocations: 25.7 kB / 0.6511 GB, free: 1.973 MB / 446.1 MB Notification: Performance of NFConvertDAE.convert: time 9.451e-05/0.1598, allocations: 31.94 kB / 0.6512 GB, free: 1.941 MB / 446.1 MB Notification: Performance of FrontEnd - DAE generated: time 6.141e-06/0.1598, allocations: 0 / 0.6512 GB, free: 1.941 MB / 446.1 MB Notification: Performance of FrontEnd: time 1.633e-06/0.1598, allocations: 0 / 0.6512 GB, free: 1.941 MB / 446.1 MB Notification: Performance of Transformations before backend: time 3.857e-06/0.1598, allocations: 0.5 kB / 0.6512 GB, free: 1.941 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: 3 * Number of variables: 3 Notification: Performance of Generate backend data structure: time 0.0004764/0.1603, allocations: 345.1 kB / 0.6515 GB, free: 1.559 MB / 446.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.807e-05/0.1604, allocations: 8.031 kB / 0.6515 GB, free: 1.551 MB / 446.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 4.508e-05/0.1604, allocations: 31.75 kB / 0.6515 GB, free: 1.512 MB / 446.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 6.617e-05/0.1605, allocations: 4 kB / 0.6515 GB, free: 1.508 MB / 446.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0001509/0.1606, allocations: 167.3 kB / 0.6517 GB, free: 1.305 MB / 446.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.203e-05/0.1607, allocations: 4.672 kB / 0.6517 GB, free: 1.301 MB / 446.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 1.522e-05/0.1607, allocations: 11.92 kB / 0.6517 GB, free: 1.289 MB / 446.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.000185/0.1609, allocations: 51.59 kB / 0.6518 GB, free: 1.234 MB / 446.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.033e-05/0.1609, allocations: 0 / 0.6518 GB, free: 1.234 MB / 446.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.548e-06/0.1609, allocations: 0.5312 kB / 0.6518 GB, free: 1.234 MB / 446.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.931e-06/0.1609, allocations: 0.5938 kB / 0.6518 GB, free: 1.234 MB / 446.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0001699/0.1611, allocations: 46.39 kB / 0.6518 GB, free: 1.191 MB / 446.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0003729/0.1615, allocations: 250.3 kB / 0.652 GB, free: 0.8984 MB / 446.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0001273/0.1616, allocations: 52.61 kB / 0.6521 GB, free: 0.8398 MB / 446.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 8.765e-05/0.1617, allocations: 29.56 kB / 0.6521 GB, free: 0.8086 MB / 446.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.000177/0.1619, allocations: 85.84 kB / 0.6522 GB, free: 0.707 MB / 446.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.396e-05/0.1619, allocations: 31.59 kB / 0.6522 GB, free: 0.668 MB / 446.1 MB Notification: Performance of pre-optimization done (n=2): time 1.062e-06/0.1619, allocations: 0 / 0.6522 GB, free: 0.668 MB / 446.1 MB Notification: Performance of matching and sorting (n=2): time 0.0003383/0.1623, allocations: 101.4 kB / 0.6523 GB, free: 0.5664 MB / 446.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 3.879e-05/0.1623, allocations: 57.81 kB / 0.6524 GB, free: 0.5 MB / 446.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 7.725e-05/0.1624, allocations: 105.7 kB / 0.6525 GB, free: 396 kB / 446.1 MB Notification: Performance of collectPreVariables (initialization): time 1.37e-05/0.1624, allocations: 25.7 kB / 0.6525 GB, free: 364 kB / 446.1 MB Notification: Performance of collectInitialEqns (initialization): time 4.417e-05/0.1625, allocations: 84.14 kB / 0.6526 GB, free: 276 kB / 446.1 MB Notification: Performance of collectInitialBindings (initialization): time 1.394e-05/0.1625, allocations: 7.906 kB / 0.6526 GB, free: 268 kB / 446.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 2.955e-06/0.1625, allocations: 3.938 kB / 0.6526 GB, free: 264 kB / 446.1 MB Notification: Performance of setup shared object (initialization): time 0.0001298/0.1626, allocations: 315.4 kB / 0.6529 GB, free: 15.94 MB / 462.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 7.331e-05/0.1627, allocations: 21.95 kB / 0.6529 GB, free: 15.92 MB / 462.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 6.779e-05/0.1628, allocations: 25.53 kB / 0.6529 GB, free: 15.9 MB / 462.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 6.911e-05/0.1629, allocations: 21.39 kB / 0.653 GB, free: 15.88 MB / 462.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.352e-06/0.1629, allocations: 0 / 0.653 GB, free: 15.88 MB / 462.1 MB Notification: Performance of matching and sorting (n=2) (initialization): time 0.0001828/0.1631, allocations: 80.78 kB / 0.653 GB, free: 15.8 MB / 462.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.136e-05/0.1631, allocations: 4 kB / 0.653 GB, free: 15.79 MB / 462.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.797e-06/0.1631, allocations: 0 / 0.653 GB, free: 15.79 MB / 462.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.02e-05/0.1631, allocations: 0.625 kB / 0.653 GB, free: 15.79 MB / 462.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 6.902e-05/0.1632, allocations: 12.58 kB / 0.6531 GB, free: 15.78 MB / 462.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.537e-05/0.1632, allocations: 2.625 kB / 0.6531 GB, free: 15.78 MB / 462.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 4.159e-05/0.1633, allocations: 11.94 kB / 0.6531 GB, free: 15.77 MB / 462.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.218e-06/0.1633, allocations: 0 / 0.6531 GB, free: 15.77 MB / 462.1 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 (2): * Single equations (assignments): 2 * 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 6.933e-05/0.1634, allocations: 115.1 kB / 0.6532 GB, free: 15.65 MB / 462.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 3.246e-05/0.1634, allocations: 5.906 kB / 0.6532 GB, free: 15.64 MB / 462.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0002041/0.1636, allocations: 81.86 kB / 0.6533 GB, free: 15.56 MB / 462.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.542e-06/0.1636, allocations: 256 / 0.6533 GB, free: 15.56 MB / 462.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.667e-06/0.1636, allocations: 4 kB / 0.6533 GB, free: 15.56 MB / 462.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.225e-06/0.1636, allocations: 0 / 0.6533 GB, free: 15.56 MB / 462.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0001496/0.1638, allocations: 157.6 kB / 0.6534 GB, free: 15.36 MB / 462.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.62e-07/0.1638, allocations: 0 / 0.6534 GB, free: 15.36 MB / 462.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 5.46e-05/0.1639, allocations: 11.98 kB / 0.6534 GB, free: 15.34 MB / 462.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 1.603e-06/0.1639, allocations: 0 / 0.6534 GB, free: 15.34 MB / 462.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.628e-06/0.1639, allocations: 8 kB / 0.6534 GB, free: 15.34 MB / 462.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.012e-06/0.1639, allocations: 0 / 0.6534 GB, free: 15.34 MB / 462.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.164e-06/0.1639, allocations: 0 / 0.6534 GB, free: 15.34 MB / 462.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0002239/0.1641, allocations: 175.4 kB / 0.6536 GB, free: 15.15 MB / 462.1 MB Notification: Performance of postOpt removeConstants (simulation): time 3.952e-05/0.1642, allocations: 81.06 kB / 0.6537 GB, free: 15.05 MB / 462.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 1.256e-05/0.1642, allocations: 4 kB / 0.6537 GB, free: 15.05 MB / 462.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 7.597e-05/0.1643, allocations: 12.02 kB / 0.6537 GB, free: 15.04 MB / 462.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 2.954e-05/0.1643, allocations: 4 kB / 0.6537 GB, free: 15.03 MB / 462.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.107e-06/0.1643, allocations: 7.938 kB / 0.6537 GB, free: 15.02 MB / 462.1 MB Notification: Performance of sorting global known variables: time 3.333e-05/0.1644, allocations: 79.27 kB / 0.6538 GB, free: 14.95 MB / 462.1 MB Notification: Performance of sort global known variables: time 1.2e-07/0.1644, allocations: 0 / 0.6538 GB, free: 14.95 MB / 462.1 MB Notification: Performance of remove unused functions: time 0.0002228/0.1646, allocations: 12 kB / 0.6538 GB, free: 14.93 MB / 462.1 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 (2): * Single equations (assignments): 2 * 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 0.0005722/0.1652, allocations: 0.7241 MB / 0.6545 GB, free: 14.18 MB / 462.1 MB Notification: Performance of simCode: created initialization part: time 0.0001822/0.1654, allocations: 43.97 kB / 0.6545 GB, free: 14.14 MB / 462.1 MB Notification: Performance of simCode: created event and clocks part: time 1.933e-06/0.1654, allocations: 0 / 0.6545 GB, free: 14.14 MB / 462.1 MB Notification: Performance of simCode: created simulation system equations: time 8.19e-05/0.1655, allocations: 28.05 kB / 0.6546 GB, free: 14.11 MB / 462.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0002515/0.1657, allocations: 13.81 kB / 0.6546 GB, free: 14.1 MB / 462.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0003497/0.1661, allocations: 134.3 kB / 0.6547 GB, free: 13.93 MB / 462.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000225/0.1663, allocations: 0.6731 MB / 0.6554 GB, free: 13.23 MB / 462.1 MB Notification: Performance of simCode: alias equations: time 2.128e-05/0.1663, allocations: 0 / 0.6554 GB, free: 13.23 MB / 462.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 3.027e-05/0.1664, allocations: 19.42 kB / 0.6554 GB, free: 13.21 MB / 462.1 MB Notification: Performance of SimCode: time 2.81e-07/0.1664, allocations: 4.062 kB / 0.6554 GB, free: 13.2 MB / 462.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.01037/0.1768, allocations: 1.255 MB / 0.6566 GB, free: 12.11 MB / 462.1 MB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001965/0.177, allocations: 208.9 kB / 0.6568 GB, free: 11.86 MB / 462.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 1.609/1.786, allocations: 0 / 0.6568 GB, free: 11.86 MB / 462.1 MB (rm -f BuildingSystems_BuildingSystems.Utilities.Math.Examples.ExponentialIntegralE1.pipe ; mkfifo BuildingSystems_BuildingSystems.Utilities.Math.Examples.ExponentialIntegralE1.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Utilities.Math.Examples.ExponentialIntegralE1.pipe >> ../files/BuildingSystems_BuildingSystems.Utilities.Math.Examples.ExponentialIntegralE1.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_BuildingSystems_BuildingSystems_Utilities_Math_Examples_ExponentialIntegralE1_fmu --startTime=0.01 --stopTime=3 --timeout=50 --tolerance=1e-06 BuildingSystems_BuildingSystems_Utilities_Math_Examples_ExponentialIntegralE1.fmu > BuildingSystems_BuildingSystems.Utilities.Math.Examples.ExponentialIntegralE1.pipe 2>&1) Environment - environmentSimulation: