Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Fluid.FixedResistances.Examples.Pipe.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: "" <> buildModelFMU(Buildings.Fluid.FixedResistances.Examples.Pipe,fileNamePrefix="Buildings_8_Buildings_Fluid_FixedResistances_Examples_Pipe",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.FixedResistances.Examples.Pipe,fileNamePrefix="Buildings_8_Buildings_Fluid_FixedResistances_Examples_Pipe",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 0.001223/0.001223, allocations: 92.16 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 0.001715/0.001715, 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 1.664/1.664, allocations: 205.4 MB / 222.1 MB, free: 5.531 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 1.843/1.843, allocations: 292.7 MB / 0.5499 GB, free: 14.56 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 0.0005963/0.0005966, allocations: 19 kB / 0.6738 GB, free: 26.04 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2241/0.2247, allocations: 116.3 MB / 0.7874 GB, free: 11.87 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.FixedResistances.Examples.Pipe): time 0.0477/0.2725, allocations: 42.37 MB / 0.8288 GB, free: 1.375 MB / 0.6387 GB Notification: Performance of NFInst.instExpressions: time 0.01633/0.2889, allocations: 10.66 MB / 0.8392 GB, free: 6.695 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002378/0.2913, allocations: 51.69 kB / 0.8392 GB, free: 6.645 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.002152/0.2935, allocations: 488.8 kB / 0.8397 GB, free: 6.164 MB / 0.6544 GB Notification: Performance of NFTyping.typeBindings: time 0.006973/0.3005, allocations: 1.733 MB / 0.8414 GB, free: 4.426 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.004169/0.3047, allocations: 1.125 MB / 0.8425 GB, free: 3.312 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.02749/0.3322, allocations: 24.7 MB / 0.8666 GB, free: 10.55 MB / 0.6856 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01065/0.3429, allocations: 6.398 MB / 0.8729 GB, free: 4.078 MB / 0.6856 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01314/0.356, allocations: 5.447 MB / 0.8782 GB, free: 14.61 MB / 0.7012 GB Notification: Performance of NFSimplifyModel.simplify: time 0.01455/0.3706, allocations: 5.313 MB / 0.8834 GB, free: 9.273 MB / 0.7012 GB Notification: Performance of NFPackage.collectConstants: time 0.002402/0.3731, allocations: 288 kB / 0.8836 GB, free: 8.992 MB / 0.7012 GB Notification: Performance of NFFlatten.collectFunctions: time 0.007193/0.3803, allocations: 1.088 MB / 0.8847 GB, free: 7.902 MB / 0.7012 GB Notification: Performance of NFScalarize.scalarize: time 0.004221/0.3846, allocations: 1.346 MB / 0.886 GB, free: 6.551 MB / 0.7012 GB Notification: Performance of NFVerifyModel.verify: time 0.00497/0.3896, allocations: 1.565 MB / 0.8875 GB, free: 4.977 MB / 0.7012 GB Notification: Performance of NFConvertDAE.convert: time 0.02049/0.4101, allocations: 10.19 MB / 0.8975 GB, free: 10.76 MB / 0.7169 GB Notification: Performance of FrontEnd - DAE generated: time 9.357e-06/0.4102, allocations: 0 / 0.8975 GB, free: 10.76 MB / 0.7169 GB Notification: Performance of FrontEnd: time 3.346e-06/0.4102, allocations: 4 kB / 0.8975 GB, free: 10.75 MB / 0.7169 GB Notification: Performance of Transformations before backend: time 0.0005243/0.4107, allocations: 0 / 0.8975 GB, free: 10.75 MB / 0.7169 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1302 * Number of variables: 1302 Notification: Performance of Generate backend data structure: time 0.03038/0.4411, allocations: 6.642 MB / 0.904 GB, free: 4.027 MB / 0.7169 GB Notification: Performance of prepare preOptimizeDAE: time 7.2e-05/0.4412, allocations: 8.031 kB / 0.904 GB, free: 4.02 MB / 0.7169 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.004208/0.4454, allocations: 0.7181 MB / 0.9047 GB, free: 3.293 MB / 0.7169 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.007715/0.4532, allocations: 0.8386 MB / 0.9055 GB, free: 2.445 MB / 0.7169 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.5252/0.9785, allocations: 7.435 MB / 0.9128 GB, free: 59.4 MB / 0.7169 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0005664/0.9791, allocations: 415.8 kB / 0.9132 GB, free: 59.36 MB / 0.7169 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002512/0.9816, allocations: 0.5144 MB / 0.9137 GB, free: 59.36 MB / 0.7169 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02126/1.003, allocations: 7.634 MB / 0.9211 GB, free: 58.5 MB / 0.7169 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001871/1.003, allocations: 20.17 kB / 0.9211 GB, free: 58.5 MB / 0.7169 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0009619/1.004, allocations: 226.5 kB / 0.9214 GB, free: 58.5 MB / 0.7169 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002079/1.004, allocations: 168.2 kB / 0.9215 GB, free: 58.5 MB / 0.7169 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01579/1.02, allocations: 6.039 MB / 0.9274 GB, free: 58.45 MB / 0.7169 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 0.0499/1.07, allocations: 29.25 MB / 0.956 GB, free: 45.75 MB / 0.7169 GB Notification: Performance of preOpt comSubExp (simulation): time 0.004664/1.075, allocations: 3.383 MB / 0.9593 GB, free: 45.04 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.002421/1.077, allocations: 1.959 MB / 0.9612 GB, free: 44.04 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001075/1.078, allocations: 0.9963 MB / 0.9622 GB, free: 42.96 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0001126/1.078, allocations: 76.81 kB / 0.9622 GB, free: 42.89 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=253): time 6.131e-06/1.078, allocations: 3.469 kB / 0.9622 GB, free: 42.89 MB / 0.7169 GB Notification: Performance of matching and sorting (n=253): time 0.009177/1.088, allocations: 4.678 MB / 0.9668 GB, free: 40.57 MB / 0.7169 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.516e-05/1.088, allocations: 77.31 kB / 0.9669 GB, free: 40.5 MB / 0.7169 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00909/1.097, allocations: 5.975 MB / 0.9727 GB, free: 37.47 MB / 0.7169 GB Notification: Performance of collectPreVariables (initialization): time 0.0008324/1.098, allocations: 86.92 kB / 0.9728 GB, free: 37.4 MB / 0.7169 GB Notification: Performance of collectInitialEqns (initialization): time 0.002443/1.1, allocations: 2.943 MB / 0.9757 GB, free: 34.85 MB / 0.7169 GB Notification: Performance of collectInitialBindings (initialization): time 0.00144/1.102, allocations: 0.8972 MB / 0.9766 GB, free: 34.08 MB / 0.7169 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001841/1.102, allocations: 66.41 kB / 0.9766 GB, free: 34.02 MB / 0.7169 GB Notification: Performance of setup shared object (initialization): time 0.0002032/1.102, allocations: 449.5 kB / 0.977 GB, free: 33.62 MB / 0.7169 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002499/1.104, allocations: 1.626 MB / 0.9786 GB, free: 32.78 MB / 0.7169 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002835/1.107, allocations: 2.668 MB / 0.9812 GB, free: 30.61 MB / 0.7169 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002759/1.11, allocations: 2.208 MB / 0.9834 GB, free: 28.68 MB / 0.7169 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.697e-05/1.11, allocations: 8 kB / 0.9834 GB, free: 28.67 MB / 0.7169 GB Notification: Performance of matching and sorting (n=436) (initialization): time 0.007426/1.118, allocations: 4.929 MB / 0.9882 GB, free: 23.88 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 0.0005773/1.118, allocations: 1.035 MB / 0.9892 GB, free: 22.41 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.348e-05/1.118, allocations: 32 kB / 0.9893 GB, free: 22.38 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 5.624e-05/1.118, allocations: 52 kB / 0.9893 GB, free: 22.33 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002635/1.121, allocations: 0.8179 MB / 0.9901 GB, free: 21.57 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0005178/1.121, allocations: 1.246 MB / 0.9913 GB, free: 20.29 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00734/1.129, allocations: 0.6162 MB / 0.9919 GB, free: 19.67 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003946/1.129, allocations: 160 kB / 0.9921 GB, free: 19.52 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 1.228e-05/1.129, allocations: 7.953 kB / 0.9921 GB, free: 19.51 MB / 0.7169 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.005998/1.135, allocations: 4.423 MB / 0.9964 GB, free: 15.25 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.957e-05/1.135, allocations: 32 kB / 0.9964 GB, free: 15.21 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.799e-05/1.135, allocations: 52 kB / 0.9965 GB, free: 15.16 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002322/1.138, allocations: 0.7829 MB / 0.9973 GB, free: 14.43 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.011e-05/1.138, allocations: 76.5 kB / 0.9973 GB, free: 14.37 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00502/1.143, allocations: 0.5467 MB / 0.9979 GB, free: 13.82 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004047/1.143, allocations: 160 kB / 0.998 GB, free: 13.66 MB / 0.7169 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 142 * 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 (436): * Single equations (assignments): 434 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 2 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 0 * Non-linear Jacobian: 2 {1,1} * Without analytic Jacobian: 0 Notification: Performance of prepare postOptimizeDAE: time 0.004355/1.148, allocations: 2.498 MB / 1 GB, free: 11.21 MB / 0.7169 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.002214/1.15, allocations: 0.5481 MB / 1.001 GB, free: 10.65 MB / 0.7169 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.006549/1.156, allocations: 3.893 MB / 1.005 GB, free: 6.711 MB / 0.7169 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.399e-05/1.156, allocations: 28 kB / 1.005 GB, free: 6.684 MB / 0.7169 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.215e-05/1.156, allocations: 4 kB / 1.005 GB, free: 6.68 MB / 0.7169 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.003426/1.16, allocations: 2.991 MB / 1.008 GB, free: 3.637 MB / 0.7169 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.02156/1.181, allocations: 9.708 MB / 1.017 GB, free: 9.895 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.254e-05/1.182, allocations: 0.875 kB / 1.017 GB, free: 9.895 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002496/1.184, allocations: 0.592 MB / 1.018 GB, free: 9.328 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (simulation): time 4.174e-05/1.184, allocations: 12 kB / 1.018 GB, free: 9.316 MB / 0.7325 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002839/1.184, allocations: 79.89 kB / 1.018 GB, free: 9.238 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0007585/1.185, allocations: 1.191 MB / 1.019 GB, free: 8.004 MB / 0.7325 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.825e-06/1.185, allocations: 0 / 1.019 GB, free: 8.004 MB / 0.7325 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0106/1.196, allocations: 5.637 MB / 1.025 GB, free: 2.27 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.005082/1.201, allocations: 1.302 MB / 1.026 GB, free: 0.9414 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.002288/1.203, allocations: 59.98 kB / 1.026 GB, free: 0.8828 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.005949/1.209, allocations: 397 kB / 1.026 GB, free: 0.4961 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005131/1.21, allocations: 145.8 kB / 1.026 GB, free: 360 kB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0007379/1.211, allocations: 150.2 kB / 1.027 GB, free: 212 kB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.009863/1.22, allocations: 4.211 MB / 1.031 GB, free: 12.03 MB / 0.7481 GB Notification: Performance of sort global known variables: time 8.52e-07/1.22, allocations: 0 / 1.031 GB, free: 12.03 MB / 0.7481 GB Notification: Performance of remove unused functions: time 0.01373/1.234, allocations: 3.225 MB / 1.034 GB, free: 8.812 MB / 0.7481 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 22 (pip.vol[1].dynBal.U,pip.vol[2].dynBal.U,pip.vol[3].dynBal.U,pip.vol[4].dynBal.U,pip.vol[5].dynBal.U,pip.vol[6].dynBal.U,pip.vol[7].dynBal.U,pip.vol[8].dynBal.U,pip.vol[9].dynBal.U,pip.vol[10].dynBal.U,pip1.vol[1].dynBal.U,pip1.vol[2].dynBal.U,pip1.vol[3].dynBal.U,pip1.vol[4].dynBal.U,pip1.vol[5].dynBal.U,pip1.vol[6].dynBal.U,pip1.vol[7].dynBal.U,pip1.vol[8].dynBal.U,pip1.vol[9].dynBal.U,pip1.vol[10].dynBal.U,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 (259): * Single equations (assignments): 251 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 6 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 2 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 0 * Non-linear Jacobian: 2 {1,1} * Without analytic Jacobian: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.01291/1.247, allocations: 6.557 MB / 1.04 GB, free: 2.219 MB / 0.7481 GB Notification: Performance of simCode: created initialization part: time 0.01264/1.26, allocations: 6.002 MB / 1.046 GB, free: 12.41 MB / 0.7637 GB Notification: Performance of simCode: created event and clocks part: time 1.789e-05/1.26, allocations: 7.078 kB / 1.046 GB, free: 12.41 MB / 0.7637 GB Notification: Performance of simCode: created simulation system equations: time 0.003262/1.263, allocations: 1.587 MB / 1.048 GB, free: 10.86 MB / 0.7637 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.02257/1.286, allocations: 3.928 MB / 1.051 GB, free: 7.004 MB / 0.7637 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.1745/1.46, allocations: 50.58 MB / 1.101 GB, free: 1.34 MB / 0.8106 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.005123/1.466, allocations: 4.517 MB / 1.105 GB, free: 12.8 MB / 0.8262 GB Notification: Performance of simCode: alias equations: time 0.009992/1.476, allocations: 2.857 MB / 1.108 GB, free: 9.941 MB / 0.8262 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.005276/1.481, allocations: 2.539 MB / 1.111 GB, free: 7.406 MB / 0.8262 GB Notification: Performance of SimCode: time 1.413e-06/1.481, allocations: 0 / 1.111 GB, free: 7.406 MB / 0.8262 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.7628/2.244, allocations: 182 MB / 1.288 GB, free: 336.4 MB / 0.9825 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001986/2.244, allocations: 250 kB / 1.288 GB, free: 336.1 MB / 0.9825 GB Notification: Performance of buildModelFMU: Generate platform static: time 7.306/9.55, allocations: 0 / 1.288 GB, free: 336.1 MB / 0.9825 GB (rm -f Buildings_8_Buildings.Fluid.FixedResistances.Examples.Pipe.pipe ; mkfifo Buildings_8_Buildings.Fluid.FixedResistances.Examples.Pipe.pipe ; head -c 1048576 < Buildings_8_Buildings.Fluid.FixedResistances.Examples.Pipe.pipe >> ../files/Buildings_8_Buildings.Fluid.FixedResistances.Examples.Pipe.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_Buildings_8_Buildings_Fluid_FixedResistances_Examples_Pipe_fmu --startTime=0 --stopTime=120 --timeout=50 --tolerance=1e-06 Buildings_8_Buildings_Fluid_FixedResistances_Examples_Pipe.fmu > Buildings_8_Buildings.Fluid.FixedResistances.Examples.Pipe.pipe 2>&1) Environment - environmentSimulation: