Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr IDEAS_IDEAS.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Examples.InternalHEXOneUTube.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/IDEAS 3.0.0/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/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(IDEAS.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Examples.InternalHEXOneUTube,fileNamePrefix="IDEAS_IDEAS_Fluid_Geothermal_Borefields_BaseClasses_Boreholes_BaseClasses_Examples_InternalHEXOneUTube",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Examples.InternalHEXOneUTube,fileNamePrefix="IDEAS_IDEAS_Fluid_Geothermal_Borefields_BaseClasses_Boreholes_BaseClasses_Examples_InternalHEXOneUTube",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 0.001255/0.001255, allocations: 99 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 0.001377/0.001378, 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 1.936/1.936, allocations: 223.2 MB / 239.9 MB, free: 5.434 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 1.089/1.089, allocations: 132.2 MB / 423.2 MB, free: 2.191 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0004647/0.0004648, allocations: 12.5 kB / 0.5033 GB, free: 4.145 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.5421/0.5426, allocations: 81.58 MB / 0.583 GB, free: 4.012 MB / 430.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Examples.InternalHEXOneUTube): time 0.08201/0.6246, allocations: 54.49 MB / 0.6362 GB, free: 9.934 MB / 478.1 MB Notification: Performance of NFInst.instExpressions: time 0.02813/0.6528, allocations: 14.42 MB / 0.6503 GB, free: 11.49 MB / 494.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.003006/0.6559, allocations: 55.62 kB / 0.6504 GB, free: 11.43 MB / 494.1 MB Notification: Performance of NFTyping.typeComponents: time 0.00453/0.6604, allocations: 1.077 MB / 0.6514 GB, free: 10.35 MB / 494.1 MB Notification: Performance of NFTyping.typeBindings: time 0.00883/0.6693, allocations: 2.254 MB / 0.6536 GB, free: 8.094 MB / 494.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.01076/0.6801, allocations: 2.691 MB / 0.6562 GB, free: 5.465 MB / 494.1 MB Notification: Performance of NFFlatten.flatten: time 0.006848/0.6869, allocations: 2.646 MB / 0.6588 GB, free: 2.816 MB / 494.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.002472/0.6894, allocations: 1.077 MB / 0.6599 GB, free: 1.719 MB / 494.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003404/0.6928, allocations: 1.195 MB / 0.661 GB, free: 0.5195 MB / 494.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.002187/0.695, allocations: 0.8712 MB / 0.6619 GB, free: 15.64 MB / 0.4981 GB Notification: Performance of NFPackage.collectConstants: time 0.0003949/0.6955, allocations: 76 kB / 0.662 GB, free: 15.57 MB / 0.4981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.006491/0.702, allocations: 1.923 MB / 0.6638 GB, free: 13.64 MB / 0.4981 GB Notification: Performance of NFScalarize.scalarize: time 0.0006904/0.7027, allocations: 338.7 kB / 0.6642 GB, free: 13.31 MB / 0.4981 GB Notification: Performance of NFVerifyModel.verify: time 0.001084/0.7038, allocations: 408.8 kB / 0.6646 GB, free: 12.91 MB / 0.4981 GB Notification: Performance of NFConvertDAE.convert: time 0.00698/0.7108, allocations: 3.195 MB / 0.6677 GB, free: 9.703 MB / 0.4981 GB Notification: Performance of FrontEnd - DAE generated: time 4.067e-06/0.7108, allocations: 0 / 0.6677 GB, free: 9.703 MB / 0.4981 GB Notification: Performance of FrontEnd: time 2.695e-06/0.7108, allocations: 0 / 0.6677 GB, free: 9.703 MB / 0.4981 GB Notification: Performance of Transformations before backend: time 9.764e-05/0.7109, allocations: 0 / 0.6677 GB, free: 9.703 MB / 0.4981 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 264 * Number of variables: 264 Notification: Performance of Generate backend data structure: time 0.00576/0.7167, allocations: 2.047 MB / 0.6697 GB, free: 7.598 MB / 0.4981 GB Notification: Performance of prepare preOptimizeDAE: time 5.388e-05/0.7167, allocations: 8.031 kB / 0.6697 GB, free: 7.59 MB / 0.4981 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0004728/0.7172, allocations: 168.5 kB / 0.6698 GB, free: 7.414 MB / 0.4981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007701/0.718, allocations: 209.6 kB / 0.67 GB, free: 7.207 MB / 0.4981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003947/0.722, allocations: 1.415 MB / 0.6714 GB, free: 5.738 MB / 0.4981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001003/0.7221, allocations: 82.08 kB / 0.6715 GB, free: 5.656 MB / 0.4981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002469/0.7223, allocations: 108 kB / 0.6716 GB, free: 5.551 MB / 0.4981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002716/0.7251, allocations: 1.104 MB / 0.6727 GB, free: 4.387 MB / 0.4981 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.794e-05/0.7251, allocations: 0 / 0.6727 GB, free: 4.387 MB / 0.4981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001387/0.7253, allocations: 44 kB / 0.6727 GB, free: 4.344 MB / 0.4981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001089/0.7254, allocations: 24 kB / 0.6728 GB, free: 4.32 MB / 0.4981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002187/0.7276, allocations: 0.8277 MB / 0.6736 GB, free: 3.484 MB / 0.4981 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 0.01156/0.7392, allocations: 6.843 MB / 0.6802 GB, free: 11.95 MB / 0.5137 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001325/0.7405, allocations: 0.7393 MB / 0.681 GB, free: 11.16 MB / 0.5137 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001473/0.742, allocations: 1.271 MB / 0.6822 GB, free: 9.609 MB / 0.5137 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.828e-05/0.7421, allocations: 39.22 kB / 0.6822 GB, free: 9.562 MB / 0.5137 GB Notification: Performance of pre-optimization done (n=72): time 3.276e-06/0.7421, allocations: 0 / 0.6822 GB, free: 9.562 MB / 0.5137 GB Notification: Performance of matching and sorting (n=72): time 0.002987/0.7451, allocations: 1.17 MB / 0.6834 GB, free: 8.348 MB / 0.5137 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.013e-05/0.7451, allocations: 89.7 kB / 0.6835 GB, free: 8.242 MB / 0.5137 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003063/0.7482, allocations: 1.543 MB / 0.685 GB, free: 6.691 MB / 0.5137 GB Notification: Performance of collectPreVariables (initialization): time 8.536e-05/0.7483, allocations: 37.7 kB / 0.685 GB, free: 6.648 MB / 0.5137 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007948/0.7491, allocations: 0.7092 MB / 0.6857 GB, free: 5.93 MB / 0.5137 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003061/0.7494, allocations: 256.3 kB / 0.6859 GB, free: 5.676 MB / 0.5137 GB Notification: Performance of simplifyInitialFunctions (initialization): time 5.71e-05/0.7495, allocations: 16 kB / 0.686 GB, free: 5.66 MB / 0.5137 GB Notification: Performance of setup shared object (initialization): time 0.0001875/0.7497, allocations: 345.9 kB / 0.6863 GB, free: 5.316 MB / 0.5137 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006945/0.7504, allocations: 273.9 kB / 0.6866 GB, free: 5.047 MB / 0.5137 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000909/0.7513, allocations: 478.6 kB / 0.687 GB, free: 4.516 MB / 0.5137 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008408/0.7522, allocations: 358.8 kB / 0.6874 GB, free: 4.168 MB / 0.5137 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.909e-06/0.7522, allocations: 4 kB / 0.6874 GB, free: 4.164 MB / 0.5137 GB Notification: Performance of matching and sorting (n=116) (initialization): time 0.002427/0.7546, allocations: 1.009 MB / 0.6883 GB, free: 3.137 MB / 0.5137 GB Notification: Performance of prepare postOptimizeDAE: time 0.0007361/0.7554, allocations: 1.35 MB / 0.6897 GB, free: 1.668 MB / 0.5137 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.871e-05/0.7554, allocations: 4 kB / 0.6897 GB, free: 1.664 MB / 0.5137 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0003778/0.7558, allocations: 77.67 kB / 0.6897 GB, free: 1.582 MB / 0.5137 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001008/0.7568, allocations: 191.7 kB / 0.6899 GB, free: 1.395 MB / 0.5137 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003327/0.7602, allocations: 2.994 MB / 0.6928 GB, free: 14.13 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001547/0.7617, allocations: 150.8 kB / 0.693 GB, free: 13.98 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001323/0.7619, allocations: 39.98 kB / 0.693 GB, free: 13.94 MB / 0.5294 GB Notification: Performance of prepare postOptimizeDAE: time 9.798e-06/0.7619, allocations: 4 kB / 0.693 GB, free: 13.94 MB / 0.5294 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.002046/0.764, allocations: 0.8449 MB / 0.6939 GB, free: 13.09 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.479e-05/0.764, allocations: 8 kB / 0.6939 GB, free: 13.08 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0002075/0.7642, allocations: 61.69 kB / 0.6939 GB, free: 13.02 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009621/0.7652, allocations: 191.7 kB / 0.6941 GB, free: 12.83 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003089/0.7683, allocations: 2.971 MB / 0.697 GB, free: 9.594 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001553/0.7699, allocations: 147 kB / 0.6971 GB, free: 9.449 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001265/0.77, allocations: 36 kB / 0.6972 GB, free: 9.414 MB / 0.5294 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 15 * 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 (107): * Single equations (assignments): 104 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 1 * When equations: 0 * 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: 2 {(1,100.0%) 3,(1,100.0%) 3} * Non-linear torn systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.001076/0.7711, allocations: 456.8 kB / 0.6976 GB, free: 8.957 MB / 0.5294 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000429/0.7716, allocations: 158 kB / 0.6978 GB, free: 8.801 MB / 0.5294 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002629/0.7742, allocations: 1.047 MB / 0.6988 GB, free: 7.75 MB / 0.5294 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.596e-05/0.7742, allocations: 15.98 kB / 0.6988 GB, free: 7.734 MB / 0.5294 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.212e-06/0.7743, allocations: 4 kB / 0.6988 GB, free: 7.73 MB / 0.5294 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.00157/0.7758, allocations: 0.7771 MB / 0.6996 GB, free: 6.914 MB / 0.5294 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005593/0.7815, allocations: 2.711 MB / 0.7022 GB, free: 4.051 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.07e-05/0.7815, allocations: 4 kB / 0.7022 GB, free: 4.047 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000742/0.7822, allocations: 132.3 kB / 0.7023 GB, free: 3.918 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003019/0.7826, allocations: 85.88 kB / 0.7024 GB, free: 3.828 MB / 0.5294 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.571e-05/0.7826, allocations: 20 kB / 0.7024 GB, free: 3.809 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.003182/0.7858, allocations: 2.994 MB / 0.7054 GB, free: 0.5469 MB / 0.5294 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.707e-06/0.7859, allocations: 7.938 kB / 0.7054 GB, free: 0.5391 MB / 0.5294 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003343/0.7892, allocations: 1.629 MB / 0.707 GB, free: 14.71 MB / 0.545 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001337/0.7906, allocations: 402.6 kB / 0.7074 GB, free: 14.3 MB / 0.545 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004819/0.7911, allocations: 19.95 kB / 0.7074 GB, free: 14.28 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001316/0.7924, allocations: 59.86 kB / 0.7074 GB, free: 14.22 MB / 0.545 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001381/0.7925, allocations: 60.48 kB / 0.7075 GB, free: 14.16 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001153/0.7927, allocations: 31.92 kB / 0.7075 GB, free: 14.13 MB / 0.545 GB Notification: Performance of sorting global known variables: time 0.00281/0.7955, allocations: 1.088 MB / 0.7086 GB, free: 13.05 MB / 0.545 GB Notification: Performance of sort global known variables: time 2.5e-07/0.7955, allocations: 0 / 0.7086 GB, free: 13.05 MB / 0.545 GB Notification: Performance of remove unused functions: time 0.005762/0.8013, allocations: 1.1 MB / 0.7097 GB, free: 11.95 MB / 0.545 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 15 * Number of states: 6 (intHex.vol1.dynBal.U,intHex.vol2.dynBal.U,intHex.intResUTub.capFil1.T,intHex.intResUTub.capFil2.T,senTem.T,senTem1.T) * 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 (72): * Single equations (assignments): 63 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 7 * When equations: 0 * 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: 2 {(1,100.0%) 3,(1,100.0%) 3} * Non-linear torn systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.00714/0.8084, allocations: 3.758 MB / 0.7133 GB, free: 8.074 MB / 0.545 GB Notification: Performance of simCode: created initialization part: time 0.003939/0.8124, allocations: 1.688 MB / 0.715 GB, free: 6.32 MB / 0.545 GB Notification: Performance of simCode: created event and clocks part: time 1.259e-05/0.8124, allocations: 3.938 kB / 0.715 GB, free: 6.316 MB / 0.545 GB Notification: Performance of simCode: created simulation system equations: time 0.001155/0.8136, allocations: 0.5952 MB / 0.7156 GB, free: 5.695 MB / 0.545 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005905/0.8195, allocations: 0.7948 MB / 0.7163 GB, free: 4.922 MB / 0.545 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01291/0.8325, allocations: 6.715 MB / 0.7229 GB, free: 14.01 MB / 0.5606 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001749/0.8343, allocations: 1.305 MB / 0.7242 GB, free: 12.68 MB / 0.5606 GB Notification: Performance of simCode: alias equations: time 0.002523/0.8368, allocations: 378.3 kB / 0.7245 GB, free: 12.33 MB / 0.5606 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001465/0.8383, allocations: 0.6125 MB / 0.7251 GB, free: 11.72 MB / 0.5606 GB Notification: Performance of SimCode: time 1.453e-06/0.8383, allocations: 0 / 0.7251 GB, free: 11.72 MB / 0.5606 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1468/0.9851, allocations: 51.66 MB / 0.7756 GB, free: 8.754 MB / 0.6075 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.000355/0.9855, allocations: 286.8 kB / 0.7758 GB, free: 8.395 MB / 0.6075 GB Notification: Performance of buildModelFMU: Generate platform static: time 4.832/5.817, allocations: 0 / 0.7758 GB, free: 8.395 MB / 0.6075 GB (rm -f IDEAS_IDEAS.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Examples.InternalHEXOneUTube.pipe ; mkfifo IDEAS_IDEAS.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Examples.InternalHEXOneUTube.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Examples.InternalHEXOneUTube.pipe >> ../files/IDEAS_IDEAS.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Examples.InternalHEXOneUTube.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_IDEAS_IDEAS_Fluid_Geothermal_Borefields_BaseClasses_Boreholes_BaseClasses_Examples_InternalHEXOneUTube_fmu --startTime=0 --stopTime=100000 --timeout=50 --tolerance=1e-06 IDEAS_IDEAS_Fluid_Geothermal_Borefields_BaseClasses_Boreholes_BaseClasses_Examples_InternalHEXOneUTube.fmu > IDEAS_IDEAS.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Examples.InternalHEXOneUTube.pipe 2>&1) Environment - environmentSimulation: