Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr IDEAS_IDEAS.Fluid.Actuators.Valves.Simplified.Examples.ThreeWayValveSwitch.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.Actuators.Valves.Simplified.Examples.ThreeWayValveSwitch,fileNamePrefix="IDEAS_IDEAS_Fluid_Actuators_Valves_Simplified_Examples_ThreeWayValveSwitch",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.Fluid.Actuators.Valves.Simplified.Examples.ThreeWayValveSwitch,fileNamePrefix="IDEAS_IDEAS_Fluid_Actuators_Valves_Simplified_Examples_ThreeWayValveSwitch",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 0.0009191/0.0009191, allocations: 84.38 kB / 15.06 MB, free: 1.09 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0009552/0.0009553, allocations: 168.7 kB / 15.95 MB, free: 204 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.412/1.412, allocations: 223.3 MB / 240 MB, free: 5.391 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.7492/0.7492, allocations: 132.3 MB / 423.4 MB, free: 2.07 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0003284/0.0003284, allocations: 8.688 kB / 0.5035 GB, free: 4.121 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4952/0.4955, allocations: 81.58 MB / 0.5832 GB, free: 3.977 MB / 430.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Actuators.Valves.Simplified.Examples.ThreeWayValveSwitch): time 0.05089/0.5464, allocations: 49.83 MB / 0.6318 GB, free: 14.14 MB / 478.1 MB Notification: Performance of NFInst.instExpressions: time 0.01899/0.5654, allocations: 12.98 MB / 0.6445 GB, free: 1.574 MB / 478.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.003084/0.5686, allocations: 63.56 kB / 0.6446 GB, free: 1.512 MB / 478.1 MB Notification: Performance of NFTyping.typeComponents: time 0.00257/0.5712, allocations: 0.6405 MB / 0.6452 GB, free: 0.8672 MB / 478.1 MB Notification: Performance of NFTyping.typeBindings: time 0.006105/0.5773, allocations: 1.787 MB / 0.6469 GB, free: 15.07 MB / 494.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.005408/0.5827, allocations: 1.483 MB / 0.6484 GB, free: 13.61 MB / 494.1 MB Notification: Performance of NFFlatten.flatten: time 0.008247/0.591, allocations: 5.054 MB / 0.6533 GB, free: 8.543 MB / 494.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.002345/0.5934, allocations: 1.141 MB / 0.6544 GB, free: 7.379 MB / 494.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003635/0.597, allocations: 1.455 MB / 0.6559 GB, free: 5.918 MB / 494.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.002225/0.5993, allocations: 1.182 MB / 0.657 GB, free: 4.73 MB / 494.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0002628/0.5995, allocations: 64 kB / 0.6571 GB, free: 4.668 MB / 494.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.002549/0.6021, allocations: 0.9868 MB / 0.658 GB, free: 3.68 MB / 494.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0004147/0.6025, allocations: 370.6 kB / 0.6584 GB, free: 3.316 MB / 494.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0005244/0.6031, allocations: 364.8 kB / 0.6587 GB, free: 2.953 MB / 494.1 MB Notification: Performance of NFConvertDAE.convert: time 0.002448/0.6055, allocations: 2.213 MB / 0.6609 GB, free: 0.7344 MB / 494.1 MB Notification: Performance of FrontEnd - DAE generated: time 4.799e-06/0.6055, allocations: 0 / 0.6609 GB, free: 0.7344 MB / 494.1 MB Notification: Performance of FrontEnd: time 1.453e-06/0.6056, allocations: 0 / 0.6609 GB, free: 0.7344 MB / 494.1 MB Notification: Performance of Transformations before backend: time 2.151e-05/0.6056, allocations: 4 kB / 0.6609 GB, free: 0.7305 MB / 494.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 253 * Number of variables: 253 Notification: Performance of Generate backend data structure: time 0.002923/0.6085, allocations: 1.87 MB / 0.6627 GB, free: 14.8 MB / 0.4981 GB Notification: Performance of prepare preOptimizeDAE: time 4.023e-05/0.6086, allocations: 12.03 kB / 0.6627 GB, free: 14.79 MB / 0.4981 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001802/0.6088, allocations: 160.2 kB / 0.6629 GB, free: 14.62 MB / 0.4981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001497/0.6103, allocations: 397.5 kB / 0.6633 GB, free: 14.23 MB / 0.4981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002373/0.6126, allocations: 1.412 MB / 0.6647 GB, free: 12.77 MB / 0.4981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003201/0.613, allocations: 149.9 kB / 0.6648 GB, free: 12.62 MB / 0.4981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001434/0.6131, allocations: 108 kB / 0.6649 GB, free: 12.52 MB / 0.4981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002155/0.6153, allocations: 1.226 MB / 0.6661 GB, free: 11.25 MB / 0.4981 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.422e-05/0.6153, allocations: 0 / 0.6661 GB, free: 11.25 MB / 0.4981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.44e-05/0.6154, allocations: 44 kB / 0.6661 GB, free: 11.21 MB / 0.4981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.98e-05/0.6155, allocations: 27.94 kB / 0.6662 GB, free: 11.18 MB / 0.4981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002192/0.6177, allocations: 1.046 MB / 0.6672 GB, free: 10.14 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 0.006574/0.6242, allocations: 5.164 MB / 0.6722 GB, free: 4.699 MB / 0.4981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001405/0.6257, allocations: 0.6902 MB / 0.6729 GB, free: 4.004 MB / 0.4981 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006699/0.6263, allocations: 338.4 kB / 0.6732 GB, free: 3.672 MB / 0.4981 GB Notification: Performance of preOpt evalFunc (simulation): time 0.00338/0.6297, allocations: 2.829 MB / 0.676 GB, free: 0.5 MB / 0.4981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0008593/0.6306, allocations: 453.7 kB / 0.6764 GB, free: 44 kB / 0.4981 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0003529/0.631, allocations: 75.28 kB / 0.6765 GB, free: 15.96 MB / 0.5137 GB Notification: Performance of pre-optimization done (n=57): time 1.974e-06/0.631, allocations: 0 / 0.6765 GB, free: 15.96 MB / 0.5137 GB Notification: Performance of matching and sorting (n=57): time 0.002233/0.6332, allocations: 1.032 MB / 0.6775 GB, free: 14.93 MB / 0.5137 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.088e-05/0.6333, allocations: 81.67 kB / 0.6776 GB, free: 14.83 MB / 0.5137 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001926/0.6352, allocations: 1.449 MB / 0.679 GB, free: 13.37 MB / 0.5137 GB Notification: Performance of collectPreVariables (initialization): time 6.836e-05/0.6353, allocations: 45.7 kB / 0.679 GB, free: 13.32 MB / 0.5137 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006205/0.6359, allocations: 0.7006 MB / 0.6797 GB, free: 12.61 MB / 0.5137 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001754/0.6361, allocations: 193.2 kB / 0.6799 GB, free: 12.42 MB / 0.5137 GB Notification: Performance of simplifyInitialFunctions (initialization): time 4.889e-05/0.6362, allocations: 16 kB / 0.6799 GB, free: 12.4 MB / 0.5137 GB Notification: Performance of setup shared object (initialization): time 0.0001356/0.6363, allocations: 349.7 kB / 0.6803 GB, free: 12.06 MB / 0.5137 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0008533/0.6372, allocations: 373.8 kB / 0.6806 GB, free: 11.69 MB / 0.5137 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001007/0.6382, allocations: 0.646 MB / 0.6812 GB, free: 10.93 MB / 0.5137 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0009244/0.6391, allocations: 468.6 kB / 0.6817 GB, free: 10.47 MB / 0.5137 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.21e-06/0.6392, allocations: 0 / 0.6817 GB, free: 10.47 MB / 0.5137 GB Notification: Performance of matching and sorting (n=107) (initialization): time 0.002545/0.6417, allocations: 1.2 MB / 0.6829 GB, free: 9.262 MB / 0.5137 GB Notification: Performance of prepare postOptimizeDAE: time 0.0002206/0.6419, allocations: 348.3 kB / 0.6832 GB, free: 8.805 MB / 0.5137 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.164e-05/0.642, allocations: 8 kB / 0.6832 GB, free: 8.797 MB / 0.5137 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.461e-05/0.642, allocations: 16 kB / 0.6832 GB, free: 8.781 MB / 0.5137 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000856/0.6428, allocations: 231.7 kB / 0.6834 GB, free: 8.555 MB / 0.5137 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.992e-05/0.6429, allocations: 19.92 kB / 0.6835 GB, free: 8.535 MB / 0.5137 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001241/0.6441, allocations: 164.4 kB / 0.6836 GB, free: 8.375 MB / 0.5137 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.787e-05/0.6442, allocations: 51.92 kB / 0.6837 GB, free: 8.324 MB / 0.5137 GB Notification: Performance of prepare postOptimizeDAE: time 7.163e-06/0.6443, allocations: 4 kB / 0.6837 GB, free: 8.32 MB / 0.5137 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.001965/0.6462, allocations: 0.9973 MB / 0.6846 GB, free: 7.316 MB / 0.5137 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.082e-05/0.6462, allocations: 12.03 kB / 0.6847 GB, free: 7.305 MB / 0.5137 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.626e-05/0.6463, allocations: 12 kB / 0.6847 GB, free: 7.293 MB / 0.5137 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007438/0.647, allocations: 211.7 kB / 0.6849 GB, free: 7.086 MB / 0.5137 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.959e-05/0.6471, allocations: 23.92 kB / 0.6849 GB, free: 7.062 MB / 0.5137 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001189/0.6482, allocations: 132.4 kB / 0.685 GB, free: 6.934 MB / 0.5137 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.718e-05/0.6483, allocations: 47.98 kB / 0.6851 GB, free: 6.887 MB / 0.5137 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 34 * Number of states: 0 () * Number of discrete variables: 6 ($whenCondition1,$PRE.pulse.T_start,pulse.T_start,$PRE.pulse.count,pulse.count,threeWayValveSwitch.switch) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (105): * Single equations (assignments): 103 * Array equations: 1 * Algorithm blocks: 1 * 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 0.0009486/0.6493, allocations: 432.8 kB / 0.6855 GB, free: 6.453 MB / 0.5137 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002229/0.6495, allocations: 154.1 kB / 0.6856 GB, free: 6.301 MB / 0.5137 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002524/0.6521, allocations: 1.242 MB / 0.6868 GB, free: 5.074 MB / 0.5137 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.246e-05/0.6521, allocations: 12 kB / 0.6868 GB, free: 5.062 MB / 0.5137 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.653e-06/0.6521, allocations: 0 / 0.6868 GB, free: 5.062 MB / 0.5137 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001675/0.6538, allocations: 0.9914 MB / 0.6878 GB, free: 4.027 MB / 0.5137 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 postOpt removeSimpleEquations (simulation): time 0.003926/0.6577, allocations: 2.477 MB / 0.6902 GB, free: 1.473 MB / 0.5137 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.312e-06/0.6577, allocations: 0 / 0.6902 GB, free: 1.473 MB / 0.5137 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006285/0.6584, allocations: 148 kB / 0.6904 GB, free: 1.328 MB / 0.5137 GB Notification: Performance of postOpt tearingSystem (simulation): time 9.909e-06/0.6584, allocations: 4 kB / 0.6904 GB, free: 1.324 MB / 0.5137 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.171e-05/0.6585, allocations: 19.98 kB / 0.6904 GB, free: 1.305 MB / 0.5137 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.416e-05/0.6585, allocations: 7.938 kB / 0.6904 GB, free: 1.297 MB / 0.5137 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.561e-06/0.6585, allocations: 7.938 kB / 0.6904 GB, free: 1.289 MB / 0.5137 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0027/0.6612, allocations: 1.601 MB / 0.692 GB, free: 15.65 MB / 0.5294 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005104/0.6617, allocations: 350.9 kB / 0.6923 GB, free: 15.29 MB / 0.5294 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001702/0.6619, allocations: 23.92 kB / 0.6923 GB, free: 15.26 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008561/0.6628, allocations: 99.91 kB / 0.6924 GB, free: 15.16 MB / 0.5294 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001091/0.6629, allocations: 56.44 kB / 0.6925 GB, free: 15.11 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.468e-05/0.663, allocations: 35.97 kB / 0.6925 GB, free: 15.07 MB / 0.5294 GB Notification: Performance of sorting global known variables: time 0.001444/0.6644, allocations: 0.9848 MB / 0.6935 GB, free: 14.09 MB / 0.5294 GB Notification: Performance of sort global known variables: time 4.01e-07/0.6644, allocations: 0 / 0.6935 GB, free: 14.09 MB / 0.5294 GB Notification: Performance of remove unused functions: time 0.002001/0.6664, allocations: 0.7877 MB / 0.6942 GB, free: 13.3 MB / 0.5294 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * Number of states: 4 (threeWayValveSwitch.vol.dynBal.U,T_mix.T,T_leg0.T,T_leg1.T) * Number of discrete variables: 4 ($whenCondition1,pulse.T_start,pulse.count,threeWayValveSwitch.switch) * Number of discrete states: 1 (pulse.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (75): * Single equations (assignments): 61 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 12 * When equations: 2 * 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 0.003996/0.6704, allocations: 2.546 MB / 0.6967 GB, free: 10.73 MB / 0.5294 GB Notification: Performance of simCode: created initialization part: time 0.003137/0.6736, allocations: 1.518 MB / 0.6982 GB, free: 9.199 MB / 0.5294 GB Notification: Performance of simCode: created event and clocks part: time 6.162e-06/0.6736, allocations: 9.438 kB / 0.6982 GB, free: 9.191 MB / 0.5294 GB Notification: Performance of simCode: created simulation system equations: time 0.0008789/0.6745, allocations: 459.4 kB / 0.6987 GB, free: 8.738 MB / 0.5294 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003513/0.678, allocations: 0.824 MB / 0.6995 GB, free: 7.938 MB / 0.5294 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0161/0.6941, allocations: 9.368 MB / 0.7086 GB, free: 14.11 MB / 0.545 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007963/0.695, allocations: 1.27 MB / 0.7099 GB, free: 12.82 MB / 0.545 GB Notification: Performance of simCode: alias equations: time 0.001603/0.6966, allocations: 406.9 kB / 0.7102 GB, free: 12.44 MB / 0.545 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000767/0.6973, allocations: 0.6279 MB / 0.7109 GB, free: 11.81 MB / 0.545 GB Notification: Performance of SimCode: time 9.22e-07/0.6974, allocations: 0 / 0.7109 GB, free: 11.81 MB / 0.545 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.07018/0.7675, allocations: 46.68 MB / 0.7564 GB, free: 13.76 MB / 0.5919 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001934/0.7678, allocations: 245.7 kB / 0.7567 GB, free: 13.51 MB / 0.5919 GB Notification: Performance of buildModelFMU: Generate platform static: time 2.878/3.645, allocations: 0 / 0.7567 GB, free: 13.51 MB / 0.5919 GB (rm -f IDEAS_IDEAS.Fluid.Actuators.Valves.Simplified.Examples.ThreeWayValveSwitch.pipe ; mkfifo IDEAS_IDEAS.Fluid.Actuators.Valves.Simplified.Examples.ThreeWayValveSwitch.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.Actuators.Valves.Simplified.Examples.ThreeWayValveSwitch.pipe >> ../files/IDEAS_IDEAS.Fluid.Actuators.Valves.Simplified.Examples.ThreeWayValveSwitch.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_IDEAS_IDEAS_Fluid_Actuators_Valves_Simplified_Examples_ThreeWayValveSwitch_fmu --startTime=0 --stopTime=100 --timeout=50 --tolerance=1e-06 IDEAS_IDEAS_Fluid_Actuators_Valves_Simplified_Examples_ThreeWayValveSwitch.fmu > IDEAS_IDEAS.Fluid.Actuators.Valves.Simplified.Examples.ThreeWayValveSwitch.pipe 2>&1) Environment - environmentSimulation: