Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Fluid.Examples.FlowSystem.Simplified6.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: translateModel(Buildings.Fluid.Examples.FlowSystem.Simplified6,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.Examples.FlowSystem.Simplified6") translateModel(Buildings.Fluid.Examples.FlowSystem.Simplified6,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.Examples.FlowSystem.Simplified6") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008164/0.0008166, allocations: 98.19 kB / 15.36 MB, free: 0.7344 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.007209/0.00721, allocations: 171 kB / 16.27 MB, free: 6.332 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.425/1.425, allocations: 205.4 MB / 222.5 MB, free: 5.559 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 1.71/1.71, allocations: 292.7 MB / 0.5502 GB, free: 14.47 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 0.0005128/0.0005129, allocations: 13.09 kB / 0.6743 GB, free: 25.73 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2497/0.2503, allocations: 116.3 MB / 0.7879 GB, free: 11.59 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Simplified6): time 0.7581/1.008, allocations: 349.2 MB / 1.129 GB, free: 4.855 MB / 0.8262 GB Notification: Performance of NFInst.instExpressions: time 0.1094/1.118, allocations: 77.13 MB / 1.204 GB, free: 7.555 MB / 0.9044 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01787/1.136, allocations: 389.1 kB / 1.205 GB, free: 7.172 MB / 0.9044 GB Notification: Performance of NFTyping.typeComponents: time 0.01623/1.152, allocations: 3.855 MB / 1.208 GB, free: 3.297 MB / 0.9044 GB Notification: Performance of NFTyping.typeBindings: time 0.03477/1.187, allocations: 10.22 MB / 1.218 GB, free: 9.047 MB / 0.92 GB Notification: Performance of NFTyping.typeClassSections: time 0.01851/1.205, allocations: 7.143 MB / 1.225 GB, free: 1.965 MB / 0.92 GB Notification: Performance of NFFlatten.flatten: time 0.04488/1.25, allocations: 38.07 MB / 1.262 GB, free: 11.79 MB / 0.9669 GB Notification: Performance of NFFlatten.resolveConnections: time 0.6121/1.862, allocations: 13.98 MB / 1.276 GB, free: 32.51 MB / 0.9669 GB Notification: Performance of NFEvalConstants.evaluate: time 0.03203/1.894, allocations: 10.57 MB / 1.286 GB, free: 32.51 MB / 0.9669 GB Notification: Performance of NFSimplifyModel.simplify: time 0.02171/1.916, allocations: 9.414 MB / 1.296 GB, free: 31.68 MB / 0.9669 GB Notification: Performance of NFPackage.collectConstants: time 0.005387/1.922, allocations: 499.4 kB / 1.296 GB, free: 31.68 MB / 0.9669 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01741/1.939, allocations: 3.634 MB / 1.3 GB, free: 31.68 MB / 0.9669 GB Notification: Performance of NFScalarize.scalarize: time 0.008576/1.948, allocations: 2.955 MB / 1.303 GB, free: 31.13 MB / 0.9669 GB Notification: Performance of NFVerifyModel.verify: time 0.02502/1.973, allocations: 6.616 MB / 1.309 GB, free: 28.93 MB / 0.9669 GB Notification: Performance of NFConvertDAE.convert: time 0.03312/2.006, allocations: 18.29 MB / 1.327 GB, free: 26.54 MB / 0.9669 GB Notification: Performance of FrontEnd - DAE generated: time 6.522e-06/2.006, allocations: 3.844 kB / 1.327 GB, free: 26.54 MB / 0.9669 GB Notification: Performance of FrontEnd: time 2.625e-06/2.006, allocations: 0 / 1.327 GB, free: 26.54 MB / 0.9669 GB Notification: Performance of Transformations before backend: time 0.0009743/2.007, allocations: 0.8438 kB / 1.327 GB, free: 26.54 MB / 0.9669 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1521 * Number of variables: 1521 Notification: Performance of Generate backend data structure: time 0.0395/2.046, allocations: 13.64 MB / 1.34 GB, free: 20.67 MB / 0.9669 GB Notification: Performance of prepare preOptimizeDAE: time 4.726e-05/2.047, allocations: 12 kB / 1.34 GB, free: 20.67 MB / 0.9669 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01112/2.058, allocations: 2.215 MB / 1.342 GB, free: 19.86 MB / 0.9669 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.03185/2.09, allocations: 11.55 MB / 1.354 GB, free: 17.6 MB / 0.9669 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001891/2.092, allocations: 0.7848 MB / 1.354 GB, free: 17.56 MB / 0.9669 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.003512/2.095, allocations: 0.6764 MB / 1.355 GB, free: 17.56 MB / 0.9669 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02598/2.121, allocations: 9.001 MB / 1.364 GB, free: 16.48 MB / 0.9669 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0003878/2.121, allocations: 17.19 kB / 1.364 GB, free: 16.48 MB / 0.9669 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002752/2.124, allocations: 249.2 kB / 1.364 GB, free: 16.48 MB / 0.9669 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002124/2.124, allocations: 159.8 kB / 1.364 GB, free: 16.48 MB / 0.9669 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02076/2.145, allocations: 7.469 MB / 1.372 GB, free: 16.39 MB / 0.9669 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 0.08561/2.231, allocations: 50.43 MB / 1.421 GB, free: 15.84 MB / 0.9981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01139/2.242, allocations: 5.554 MB / 1.426 GB, free: 14.9 MB / 0.9981 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.007519/2.25, allocations: 3.956 MB / 1.43 GB, free: 14.29 MB / 0.9981 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 evalFunc (simulation): time 0.03992/2.29, allocations: 13.42 MB / 1.443 GB, free: 8.203 MB / 0.9981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.007855/2.298, allocations: 3.739 MB / 1.447 GB, free: 7.148 MB / 0.9981 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.01153/2.309, allocations: 1.863 MB / 1.449 GB, free: 6.406 MB / 0.9981 GB Notification: Performance of pre-optimization done (n=320): time 2.993e-05/2.309, allocations: 0 / 1.449 GB, free: 6.406 MB / 0.9981 GB Notification: Performance of matching and sorting (n=506): time 0.1964/2.506, allocations: 54.05 MB / 1.501 GB, free: 10.43 MB / 1.045 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.162e-05/2.506, allocations: 110.8 kB / 1.502 GB, free: 10.31 MB / 1.045 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02583/2.532, allocations: 12.6 MB / 1.514 GB, free: 1.055 MB / 1.045 GB Notification: Performance of collectPreVariables (initialization): time 0.002019/2.534, allocations: 167.3 kB / 1.514 GB, free: 0.9844 MB / 1.045 GB Notification: Performance of collectInitialEqns (initialization): time 0.007515/2.541, allocations: 6.156 MB / 1.52 GB, free: 12.73 MB / 1.061 GB Notification: Performance of collectInitialBindings (initialization): time 0.002778/2.544, allocations: 1.714 MB / 1.522 GB, free: 11.04 MB / 1.061 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00227/2.546, allocations: 0.6665 MB / 1.522 GB, free: 10.36 MB / 1.061 GB Notification: Performance of setup shared object (initialization): time 9.036e-05/2.547, allocations: 313 kB / 1.523 GB, free: 10.05 MB / 1.061 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01315/2.56, allocations: 5.864 MB / 1.528 GB, free: 4.188 MB / 1.061 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01547/2.575, allocations: 8.456 MB / 1.537 GB, free: 10.68 MB / 1.076 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.02691/2.602, allocations: 13.66 MB / 1.55 GB, free: 12.38 MB / 1.092 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.777e-05/2.602, allocations: 20 kB / 1.55 GB, free: 12.36 MB / 1.092 GB Notification: Performance of matching and sorting (n=953) (initialization): time 0.04862/2.651, allocations: 18.75 MB / 1.568 GB, free: 9.984 MB / 1.107 GB Notification: Performance of prepare postOptimizeDAE: time 0.001276/2.652, allocations: 1.935 MB / 1.57 GB, free: 7.238 MB / 1.107 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.718e-05/2.652, allocations: 63.98 kB / 1.57 GB, free: 7.176 MB / 1.107 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01615/2.668, allocations: 4.796 MB / 1.575 GB, free: 2.41 MB / 1.107 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01211/2.681, allocations: 2.04 MB / 1.577 GB, free: 472 kB / 1.107 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01702/2.698, allocations: 10.92 MB / 1.588 GB, free: 5.43 MB / 1.123 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01544/2.713, allocations: 1.206 MB / 1.589 GB, free: 4.223 MB / 1.123 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.002163/2.715, allocations: 471.7 kB / 1.589 GB, free: 3.762 MB / 1.123 GB Notification: Performance of prepare postOptimizeDAE: time 1.379e-05/2.715, allocations: 4 kB / 1.589 GB, free: 3.758 MB / 1.123 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.03946/2.755, allocations: 16.19 MB / 1.605 GB, free: 3.973 MB / 1.139 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001908/2.755, allocations: 60 kB / 1.605 GB, free: 3.914 MB / 1.139 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01309/2.768, allocations: 4.371 MB / 1.609 GB, free: 15.56 MB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01057/2.779, allocations: 2.015 MB / 1.611 GB, free: 13.64 MB / 1.154 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02512/2.804, allocations: 15.44 MB / 1.626 GB, free: 14.02 MB / 1.17 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01352/2.818, allocations: 1.198 MB / 1.628 GB, free: 12.82 MB / 1.17 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001724/2.819, allocations: 435.8 kB / 1.628 GB, free: 12.39 MB / 1.17 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 269 * Number of states: 0 () * Number of discrete variables: 10 ($whenCondition1,stepValve.count,$PRE.stepValve.count,stepValve.T_start,$PRE.stepValve.T_start,pumpHea.stage,stepPump.pulseStart,$PRE.stepPump.pulseStart,stepPump.y,$whenCondition2) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (748): * Single equations (assignments): 735 * Array equations: 4 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 6 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 6 systems {1, 1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(5,80), (7,78)} Notification: Performance of prepare postOptimizeDAE: time 0.007698/2.827, allocations: 3.106 MB / 1.631 GB, free: 9.367 MB / 1.17 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.003355/2.83, allocations: 1.188 MB / 1.632 GB, free: 8.164 MB / 1.17 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.03815/2.868, allocations: 14.99 MB / 1.647 GB, free: 9.219 MB / 1.186 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.461e-05/2.869, allocations: 63.98 kB / 1.647 GB, free: 9.156 MB / 1.186 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.437e-05/2.869, allocations: 0 / 1.647 GB, free: 9.156 MB / 1.186 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.03313/2.902, allocations: 12.35 MB / 1.659 GB, free: 12.81 MB / 1.201 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 0.06971/2.972, allocations: 26.36 MB / 1.685 GB, free: 2.406 MB / 1.217 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.117e-05/2.972, allocations: 8 kB / 1.685 GB, free: 2.398 MB / 1.217 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00674/2.978, allocations: 1.243 MB / 1.686 GB, free: 1.199 MB / 1.217 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01071/2.989, allocations: 3.291 MB / 1.689 GB, free: 13.91 MB / 1.232 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.001232/2.99, allocations: 171.9 kB / 1.689 GB, free: 13.74 MB / 1.232 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01143/3.002, allocations: 9.605 MB / 1.699 GB, free: 3.961 MB / 1.232 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.037e-06/3.002, allocations: 10.53 kB / 1.699 GB, free: 3.953 MB / 1.232 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.4645/3.466, allocations: 20.28 MB / 1.718 GB, free: 0.5673 GB / 1.232 GB Notification: Performance of postOpt removeConstants (simulation): time 0.007796/3.474, allocations: 2.295 MB / 1.721 GB, free: 0.5667 GB / 1.232 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.004281/3.478, allocations: 106.9 kB / 1.721 GB, free: 0.5667 GB / 1.232 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.01245/3.491, allocations: 1.036 MB / 1.722 GB, free: 0.5666 GB / 1.232 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.00156/3.493, allocations: 387.4 kB / 1.722 GB, free: 0.5665 GB / 1.232 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.001182/3.494, allocations: 240.4 kB / 1.722 GB, free: 0.5665 GB / 1.232 GB Notification: Performance of sorting global known variables: time 0.02076/3.514, allocations: 8.546 MB / 1.731 GB, free: 0.5638 GB / 1.232 GB Notification: Performance of sort global known variables: time 9.51e-07/3.514, allocations: 0 / 1.731 GB, free: 0.5638 GB / 1.232 GB Notification: Performance of remove unused functions: time 0.03123/3.546, allocations: 5.407 MB / 1.736 GB, free: 0.5634 GB / 1.232 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 28 * Number of states: 3 (valSouth.vol.dynBal.U,valNorth.vol.dynBal.U,heater.outCon.T) * Number of discrete variables: 7 ($whenCondition2,$whenCondition1,stepPump.y,stepPump.pulseStart,pumpHea.stage,stepValve.T_start,stepValve.count) * Number of discrete states: 1 (stepValve.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (441): * Single equations (assignments): 420 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 10 * When equations: 3 * If-equations: 0 * Equation systems (not torn): 5 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 5 systems {1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 3 systems {(9,78), (1,1), (8,77)} Notification: Performance of Backend phase and start with SimCode phase: time 0.00366/3.549, allocations: 1.301 MB / 1.737 GB, free: 0.5632 GB / 1.232 GB Notification: Performance of simCode: created initialization part: time 0.04627/3.596, allocations: 20.7 MB / 1.758 GB, free: 0.557 GB / 1.232 GB Notification: Performance of simCode: created event and clocks part: time 1.443e-05/3.596, allocations: 3.969 kB / 1.758 GB, free: 0.557 GB / 1.232 GB Notification: Performance of simCode: created simulation system equations: time 0.01359/3.609, allocations: 5.715 MB / 1.763 GB, free: 0.5554 GB / 1.232 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0554/3.665, allocations: 6.003 MB / 1.769 GB, free: 0.5543 GB / 1.232 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.05099/3.716, allocations: 29.38 MB / 1.798 GB, free: 0.5355 GB / 1.232 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.007216/3.723, allocations: 6.81 MB / 1.804 GB, free: 0.5302 GB / 1.232 GB Notification: Performance of simCode: alias equations: time 0.01661/3.74, allocations: 3.839 MB / 1.808 GB, free: 0.5265 GB / 1.232 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.003916/3.744, allocations: 0.9092 MB / 1.809 GB, free: 0.5256 GB / 1.232 GB Notification: Performance of SimCode: time 9.12e-07/3.744, allocations: 0 / 1.809 GB, free: 0.5256 GB / 1.232 GB Notification: Performance of Templates: time 0.3306/4.074, allocations: 256 MB / 2.059 GB, free: 284.1 MB / 1.232 GB make -j1 -f Buildings_8_Buildings.Fluid.Examples.FlowSystem.Simplified6.makefile Environment - environmentSimulation: (rm -f Buildings_8_Buildings.Fluid.Examples.FlowSystem.Simplified6.pipe ; mkfifo Buildings_8_Buildings.Fluid.Examples.FlowSystem.Simplified6.pipe ; head -c 1048576 < Buildings_8_Buildings.Fluid.Examples.FlowSystem.Simplified6.pipe >> ../files/Buildings_8_Buildings.Fluid.Examples.FlowSystem.Simplified6.sim & ./Buildings_8_Buildings.Fluid.Examples.FlowSystem.Simplified6 -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Fluid.Examples.FlowSystem.Simplified6.pipe 2>&1) Environment - environmentSimulation: