Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr OpenIPSL_dev_OpenIPSL.Tests.Controls.PSAT.AVR.AVRTypeI_Test.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/Modelica 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/OpenIPSL 3.1.0-master/package.mo", uses=false) Using package OpenIPSL with version 3.1.0-dev (/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0-master/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 Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 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(OpenIPSL.Tests.Controls.PSAT.AVR.AVRTypeI_Test,fileNamePrefix="OpenIPSL_dev_OpenIPSL_Tests_Controls_PSAT_AVR_AVRTypeI_Test",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(OpenIPSL.Tests.Controls.PSAT.AVR.AVRTypeI_Test,fileNamePrefix="OpenIPSL_dev_OpenIPSL_Tests_Controls_PSAT_AVR_AVRTypeI_Test",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 0.0008829/0.0008829, allocations: 100.2 kB / 15.05 MB, free: 1.105 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.274/1.274, allocations: 223.2 MB / 238.9 MB, free: 5.664 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00111/0.001111, allocations: 185 kB / 290.2 MB, free: 2.348 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0-master/package.mo): time 0.4711/0.4711, allocations: 79.45 MB / 420.7 MB, free: 3.965 MB / 286.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0003854/0.0003855, allocations: 11.98 kB / 0.4891 GB, free: 5.512 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3683/0.3687, allocations: 69.51 MB / 0.557 GB, free: 37.66 MB / 430.1 MB Notification: Performance of NFInst.instantiate(OpenIPSL.Tests.Controls.PSAT.AVR.AVRTypeI_Test): time 0.005166/0.3739, allocations: 5.741 MB / 0.5626 GB, free: 37.25 MB / 430.1 MB Notification: Performance of NFInst.instExpressions: time 0.003864/0.3778, allocations: 2.011 MB / 0.5645 GB, free: 36.98 MB / 430.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0008243/0.3787, allocations: 12.56 kB / 0.5645 GB, free: 36.98 MB / 430.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0006733/0.3793, allocations: 171.4 kB / 0.5647 GB, free: 36.91 MB / 430.1 MB Notification: Performance of NFTyping.typeBindings: time 0.001754/0.3811, allocations: 0.6823 MB / 0.5654 GB, free: 36.83 MB / 430.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.001281/0.3824, allocations: 0.5728 MB / 0.5659 GB, free: 36.77 MB / 430.1 MB Notification: Performance of NFFlatten.flatten: time 0.001298/0.3837, allocations: 0.9959 MB / 0.5669 GB, free: 36.49 MB / 430.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0003597/0.3841, allocations: 276.7 kB / 0.5672 GB, free: 36.45 MB / 430.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0006005/0.3847, allocations: 0.5609 MB / 0.5677 GB, free: 36.3 MB / 430.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0006615/0.3854, allocations: 0.68 MB / 0.5684 GB, free: 36.12 MB / 430.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0001263/0.3855, allocations: 56.53 kB / 0.5684 GB, free: 36.12 MB / 430.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0004446/0.3859, allocations: 173.8 kB / 0.5686 GB, free: 36.11 MB / 430.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0002375/0.3862, allocations: 251.1 kB / 0.5688 GB, free: 36.04 MB / 430.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0002032/0.3864, allocations: 231.2 kB / 0.5691 GB, free: 35.96 MB / 430.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0009702/0.3874, allocations: 1.191 MB / 0.5702 GB, free: 35.61 MB / 430.1 MB Notification: Performance of FrontEnd - DAE generated: time 3.165e-06/0.3874, allocations: 5.219 kB / 0.5702 GB, free: 35.61 MB / 430.1 MB Notification: Performance of FrontEnd: time 1.943e-06/0.3874, allocations: 0 / 0.5702 GB, free: 35.61 MB / 430.1 MB Notification: Performance of Transformations before backend: time 1.664e-05/0.3874, allocations: 0 / 0.5702 GB, free: 35.61 MB / 430.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 198 * Number of variables: 198 Notification: Performance of Generate backend data structure: time 0.008094/0.3955, allocations: 2.574 MB / 0.5727 GB, free: 34.53 MB / 430.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.222e-05/0.3956, allocations: 13.12 kB / 0.5728 GB, free: 34.52 MB / 430.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0002494/0.3958, allocations: 132.6 kB / 0.5729 GB, free: 34.43 MB / 430.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004906/0.4008, allocations: 0.7902 MB / 0.5737 GB, free: 34.29 MB / 430.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001915/0.4027, allocations: 0.8433 MB / 0.5745 GB, free: 33.74 MB / 430.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000237/0.4029, allocations: 235.6 kB / 0.5747 GB, free: 33.55 MB / 430.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001948/0.4031, allocations: 88.25 kB / 0.5748 GB, free: 33.52 MB / 430.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002386/0.4055, allocations: 1.238 MB / 0.576 GB, free: 33.05 MB / 430.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.463e-05/0.4056, allocations: 2.406 kB / 0.576 GB, free: 33.05 MB / 430.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.326e-05/0.4057, allocations: 33.17 kB / 0.576 GB, free: 33.02 MB / 430.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.928e-05/0.4057, allocations: 21.02 kB / 0.5761 GB, free: 33.02 MB / 430.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002159/0.4079, allocations: 1.164 MB / 0.5772 GB, free: 32.66 MB / 430.1 MB 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 0.005945/0.4138, allocations: 3.889 MB / 0.581 GB, free: 30.45 MB / 430.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.00214/0.416, allocations: 1.583 MB / 0.5825 GB, free: 29.45 MB / 430.1 MB Notification: Performance of preOpt evalFunc (simulation): time 9.999e-05/0.4161, allocations: 23.5 kB / 0.5826 GB, free: 29.45 MB / 430.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.448e-05/0.4161, allocations: 42.31 kB / 0.5826 GB, free: 29.4 MB / 430.1 MB Notification: Performance of pre-optimization done (n=99): time 3.547e-06/0.4161, allocations: 4 kB / 0.5826 GB, free: 29.39 MB / 430.1 MB Notification: Performance of matching and sorting (n=99): time 0.02513/0.4413, allocations: 7.722 MB / 0.5901 GB, free: 27.93 MB / 430.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 6.866e-05/0.4414, allocations: 143.8 kB / 0.5903 GB, free: 27.77 MB / 430.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001758/0.4431, allocations: 1.009 MB / 0.5913 GB, free: 27.36 MB / 430.1 MB Notification: Performance of collectPreVariables (initialization): time 0.0002604/0.4434, allocations: 45.7 kB / 0.5913 GB, free: 27.31 MB / 430.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0003095/0.4437, allocations: 0.4961 MB / 0.5918 GB, free: 26.91 MB / 430.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0003304/0.4441, allocations: 360.9 kB / 0.5921 GB, free: 26.63 MB / 430.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 8.657e-05/0.4442, allocations: 25.47 kB / 0.5922 GB, free: 26.61 MB / 430.1 MB Notification: Performance of setup shared object (initialization): time 9.391e-05/0.4443, allocations: 354.6 kB / 0.5925 GB, free: 26.29 MB / 430.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001675/0.446, allocations: 0.8257 MB / 0.5933 GB, free: 25.99 MB / 430.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00174/0.4477, allocations: 0.9643 MB / 0.5942 GB, free: 25.58 MB / 430.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001782/0.4495, allocations: 0.9302 MB / 0.5952 GB, free: 25.15 MB / 430.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.911e-06/0.4495, allocations: 2.812 kB / 0.5952 GB, free: 25.15 MB / 430.1 MB Notification: Performance of matching and sorting (n=166) (initialization): time 0.01635/0.4659, allocations: 5.342 MB / 0.6004 GB, free: 23.89 MB / 430.1 MB Notification: Performance of prepare postOptimizeDAE: time 0.0002634/0.4662, allocations: 0.9401 MB / 0.6013 GB, free: 22.89 MB / 430.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.556e-05/0.4662, allocations: 2.188 kB / 0.6013 GB, free: 22.89 MB / 430.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.008041/0.4743, allocations: 2.186 MB / 0.6034 GB, free: 22.53 MB / 430.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001385/0.4757, allocations: 231.9 kB / 0.6037 GB, free: 22.51 MB / 430.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02477/0.5005, allocations: 11.35 MB / 0.6147 GB, free: 16.62 MB / 430.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00194/0.5024, allocations: 220.6 kB / 0.6149 GB, free: 16.43 MB / 430.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001477/0.5026, allocations: 43.8 kB / 0.615 GB, free: 16.39 MB / 430.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.199e-05/0.5026, allocations: 4 kB / 0.615 GB, free: 16.39 MB / 430.1 MB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.01395/0.5166, allocations: 5.185 MB / 0.6201 GB, free: 11.73 MB / 430.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.218e-05/0.5167, allocations: 5.125 kB / 0.6201 GB, free: 11.73 MB / 430.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.006758/0.5234, allocations: 2.191 MB / 0.6222 GB, free: 9.535 MB / 430.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001287/0.5248, allocations: 223.7 kB / 0.6224 GB, free: 9.316 MB / 430.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0221/0.5469, allocations: 11.34 MB / 0.6335 GB, free: 13.73 MB / 446.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002137/0.5491, allocations: 210.9 kB / 0.6337 GB, free: 13.52 MB / 446.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000125/0.5492, allocations: 43.98 kB / 0.6337 GB, free: 13.48 MB / 446.1 MB Warning: Assuming fixed start value for the following 2 variables: order6Type2_Inputs_Outputs.w:VARIABLE(flow=false start = 1.0 fixed = true ) "Rotor speed [pu]" type: Real order6Type2_Inputs_Outputs.e2d:VARIABLE(start = order6Type2_Inputs_Outputs.e2d0 unit = "1" fixed = true ) "d-axis sub-transient voltage" type: Real Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 10 * 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 (130): * Single equations (assignments): 126 * Array equations: 0 * Algorithm blocks: 2 * Record equations: 0 * 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: 1 {(1,100.0%) 1} * Non-linear torn systems: 1 {24 12} Notification: Performance of prepare postOptimizeDAE: time 0.0008516/0.5501, allocations: 366 kB / 0.6341 GB, free: 13.11 MB / 446.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002837/0.5504, allocations: 122.5 kB / 0.6342 GB, free: 12.98 MB / 446.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01435/0.5647, allocations: 4.961 MB / 0.639 GB, free: 8 MB / 446.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.467e-05/0.5648, allocations: 8 kB / 0.639 GB, free: 7.992 MB / 446.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.021e-06/0.5648, allocations: 4 kB / 0.6391 GB, free: 7.988 MB / 446.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.07e-05/0.5649, allocations: 3.984 kB / 0.6391 GB, free: 7.984 MB / 446.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01777/0.5826, allocations: 6.842 MB / 0.6457 GB, free: 0.9961 MB / 446.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.492e-05/0.5827, allocations: 0 / 0.6457 GB, free: 0.9961 MB / 446.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009455/0.5837, allocations: 124.4 kB / 0.6459 GB, free: 0.875 MB / 446.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.006343/0.59, allocations: 2.053 MB / 0.6479 GB, free: 14.82 MB / 462.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002601/0.5903, allocations: 17.25 kB / 0.6479 GB, free: 14.8 MB / 462.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01958/0.6099, allocations: 8.65 MB / 0.6563 GB, free: 6.02 MB / 462.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.627e-06/0.61, allocations: 0 / 0.6563 GB, free: 6.02 MB / 462.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01658/0.6265, allocations: 5.987 MB / 0.6622 GB, free: 15.99 MB / 478.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0005506/0.6271, allocations: 227.2 kB / 0.6624 GB, free: 15.75 MB / 478.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002399/0.6274, allocations: 20 kB / 0.6624 GB, free: 15.73 MB / 478.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001236/0.6286, allocations: 139.9 kB / 0.6625 GB, free: 15.6 MB / 478.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006089/0.6293, allocations: 204.6 kB / 0.6627 GB, free: 15.4 MB / 478.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.473e-05/0.6293, allocations: 20.94 kB / 0.6628 GB, free: 15.38 MB / 478.1 MB Notification: Performance of sorting global known variables: time 0.001073/0.6304, allocations: 0.6913 MB / 0.6634 GB, free: 14.68 MB / 478.1 MB Notification: Performance of sort global known variables: time 2.21e-07/0.6304, allocations: 0 / 0.6634 GB, free: 14.68 MB / 478.1 MB Notification: Performance of remove unused functions: time 0.002426/0.6329, allocations: 0.7607 MB / 0.6642 GB, free: 13.92 MB / 478.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 2 * Number of states: 10 (order6Type2_Inputs_Outputs.delta,order6Type2_Inputs_Outputs.w,order6Type2_Inputs_Outputs.e1q,order6Type2_Inputs_Outputs.e1d,order6Type2_Inputs_Outputs.e2q,order6Type2_Inputs_Outputs.e2d,aVRI.firstOrder.y,aVRI.firstOrder2.y,aVRI.transferFunction.x_scaled[1],aVRI.transferFunction.x_scaled[2]) * 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 (67): * Single equations (assignments): 65 * Array equations: 0 * Algorithm blocks: 1 * 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 {26 10} Notification: Performance of Backend phase and start with SimCode phase: time 0.01663/0.6495, allocations: 6.631 MB / 0.6706 GB, free: 7.234 MB / 478.1 MB Notification: Performance of simCode: created initialization part: time 0.01406/0.6636, allocations: 5.249 MB / 0.6758 GB, free: 1.891 MB / 478.1 MB Notification: Performance of simCode: created event and clocks part: time 8.596e-06/0.6637, allocations: 0 / 0.6758 GB, free: 1.891 MB / 478.1 MB Notification: Performance of simCode: created simulation system equations: time 0.00512/0.6688, allocations: 1.83 MB / 0.6776 GB, free: 48 kB / 478.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001071/0.6699, allocations: 100.7 kB / 0.6777 GB, free: 15.95 MB / 494.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006184/0.6761, allocations: 4.713 MB / 0.6823 GB, free: 11.19 MB / 494.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0009087/0.6771, allocations: 1.168 MB / 0.6834 GB, free: 9.992 MB / 494.1 MB Notification: Performance of simCode: alias equations: time 0.0006733/0.6778, allocations: 143 kB / 0.6835 GB, free: 9.855 MB / 494.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006204/0.6784, allocations: 476.1 kB / 0.684 GB, free: 9.391 MB / 494.1 MB Notification: Performance of SimCode: time 1.132e-06/0.6784, allocations: 0 / 0.684 GB, free: 9.391 MB / 494.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.06153/0.74, allocations: 39.06 MB / 0.7221 GB, free: 2.656 MB / 0.5137 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001615/0.7402, allocations: 212.4 kB / 0.7223 GB, free: 2.41 MB / 0.5137 GB Notification: Performance of buildModelFMU: Generate platform static: time 2.768/3.508, allocations: 0 / 0.7223 GB, free: 2.41 MB / 0.5137 GB (rm -f OpenIPSL_dev_OpenIPSL.Tests.Controls.PSAT.AVR.AVRTypeI_Test.pipe ; mkfifo OpenIPSL_dev_OpenIPSL.Tests.Controls.PSAT.AVR.AVRTypeI_Test.pipe ; head -c 1048576 < OpenIPSL_dev_OpenIPSL.Tests.Controls.PSAT.AVR.AVRTypeI_Test.pipe >> ../files/OpenIPSL_dev_OpenIPSL.Tests.Controls.PSAT.AVR.AVRTypeI_Test.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_OpenIPSL_dev_OpenIPSL_Tests_Controls_PSAT_AVR_AVRTypeI_Test_fmu --startTime=0 --stopTime=60 --timeout=50 --tolerance=1e-06 OpenIPSL_dev_OpenIPSL_Tests_Controls_PSAT_AVR_AVRTypeI_Test.fmu > OpenIPSL_dev_OpenIPSL.Tests.Controls.PSAT.AVR.AVRTypeI_Test.pipe 2>&1) Environment - environmentSimulation: