Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.ElectricChillerParallel.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 7.0.3-maint.7.0.x/package.mo", uses=false) Using package Buildings with version 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.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.Applications.DataCenters.ChillerCooled.Equipment.Validation.ElectricChillerParallel,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.ElectricChillerParallel") translateModel(Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.ElectricChillerParallel,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.ElectricChillerParallel") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00117/0.00117, allocations: 99.94 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 0.001224/0.001224, 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 3.2.3+maint.om/package.mo): time 1.578/1.578, allocations: 205.4 MB / 222.1 MB, free: 5.66 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.528/1.528, allocations: 251.9 MB / 0.51 GB, free: 4.84 MB / 414.1 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 0.0005428/0.000543, allocations: 12 kB / 0.6241 GB, free: 1.16 MB / 0.5137 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.621/0.6215, allocations: 106.3 MB / 0.728 GB, free: 11.43 MB / 0.545 GB Notification: Performance of NFInst.instantiate(Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.ElectricChillerParallel): time 0.1008/0.7223, allocations: 97.01 MB / 0.8227 GB, free: 10.18 MB / 0.6387 GB Notification: Performance of NFInst.instExpressions: time 0.03203/0.7544, allocations: 18.95 MB / 0.8412 GB, free: 7.207 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.004565/0.7591, allocations: 79.38 kB / 0.8413 GB, free: 7.129 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.005659/0.7648, allocations: 1.388 MB / 0.8427 GB, free: 5.734 MB / 0.6544 GB Notification: Performance of NFTyping.typeBindings: time 0.01185/0.7766, allocations: 2.902 MB / 0.8455 GB, free: 2.828 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.01047/0.7871, allocations: 3.218 MB / 0.8486 GB, free: 15.66 MB / 0.67 GB Notification: Performance of NFFlatten.flatten: time 0.01353/0.8007, allocations: 5.563 MB / 0.8541 GB, free: 10.09 MB / 0.67 GB Notification: Performance of NFFlatten.resolveConnections: time 0.005813/0.8065, allocations: 3.002 MB / 0.857 GB, free: 7.047 MB / 0.67 GB Notification: Performance of NFEvalConstants.evaluate: time 0.008234/0.8148, allocations: 2.526 MB / 0.8595 GB, free: 4.512 MB / 0.67 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005326/0.8202, allocations: 1.941 MB / 0.8614 GB, free: 2.562 MB / 0.67 GB Notification: Performance of NFPackage.collectConstants: time 0.001058/0.8213, allocations: 144 kB / 0.8615 GB, free: 2.422 MB / 0.67 GB Notification: Performance of NFFlatten.collectFunctions: time 0.005467/0.8268, allocations: 1.155 MB / 0.8626 GB, free: 1.266 MB / 0.67 GB Notification: Performance of NFScalarize.scalarize: time 0.001245/0.828, allocations: 0.7276 MB / 0.8633 GB, free: 0.5352 MB / 0.67 GB Notification: Performance of NFVerifyModel.verify: time 0.001974/0.83, allocations: 0.8394 MB / 0.8642 GB, free: 15.68 MB / 0.6856 GB Notification: Performance of NFConvertDAE.convert: time 0.00803/0.8381, allocations: 5.459 MB / 0.8695 GB, free: 10.21 MB / 0.6856 GB Notification: Performance of FrontEnd - DAE generated: time 3.717e-06/0.8381, allocations: 0 / 0.8695 GB, free: 10.21 MB / 0.6856 GB Notification: Performance of FrontEnd: time 2.856e-06/0.8381, allocations: 0 / 0.8695 GB, free: 10.21 MB / 0.6856 GB Notification: Performance of Transformations before backend: time 0.0002106/0.8383, allocations: 0 / 0.8695 GB, free: 10.21 MB / 0.6856 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 508 * Number of variables: 508 Notification: Performance of Generate backend data structure: time 0.0103/0.8486, allocations: 4.124 MB / 0.8735 GB, free: 6.016 MB / 0.6856 GB Notification: Performance of prepare preOptimizeDAE: time 4.772e-05/0.8487, allocations: 12.03 kB / 0.8735 GB, free: 6.004 MB / 0.6856 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01135/0.8601, allocations: 2.055 MB / 0.8755 GB, free: 3.941 MB / 0.6856 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01417/0.8743, allocations: 4.494 MB / 0.8799 GB, free: 15.39 MB / 0.7012 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0006053/0.875, allocations: 331.2 kB / 0.8802 GB, free: 15.04 MB / 0.7012 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001279/0.8763, allocations: 227.8 kB / 0.8805 GB, free: 14.82 MB / 0.7012 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01151/0.8878, allocations: 3.802 MB / 0.8842 GB, free: 10.94 MB / 0.7012 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.771e-05/0.8879, allocations: 3.938 kB / 0.8842 GB, free: 10.93 MB / 0.7012 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000844/0.8888, allocations: 84 kB / 0.8843 GB, free: 10.85 MB / 0.7012 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.74e-05/0.8889, allocations: 52 kB / 0.8843 GB, free: 10.8 MB / 0.7012 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01127/0.9002, allocations: 4.082 MB / 0.8883 GB, free: 6.715 MB / 0.7012 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 0.03174/0.932, allocations: 14.55 MB / 0.9025 GB, free: 7.52 MB / 0.7169 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008012/0.94, allocations: 2.698 MB / 0.9051 GB, free: 4.789 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001088/0.9411, allocations: 1.256 MB / 0.9064 GB, free: 3.258 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.004826/0.946, allocations: 1.762 MB / 0.9081 GB, free: 1.484 MB / 0.7169 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.004213/0.9502, allocations: 0.7047 MB / 0.9088 GB, free: 0.7773 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=154): time 1.584e-05/0.9503, allocations: 0 / 0.9088 GB, free: 0.7773 MB / 0.7169 GB Notification: Performance of matching and sorting (n=154): time 0.559/1.509, allocations: 5.184 MB / 0.9138 GB, free: 169 MB / 0.7169 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.414e-05/1.509, allocations: 232.6 kB / 0.9141 GB, free: 168.8 MB / 0.7169 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.009283/1.519, allocations: 3.933 MB / 0.9179 GB, free: 167.4 MB / 0.7169 GB Notification: Performance of collectPreVariables (initialization): time 0.0007043/1.519, allocations: 63.22 kB / 0.918 GB, free: 167.4 MB / 0.7169 GB Notification: Performance of collectInitialEqns (initialization): time 0.001913/1.521, allocations: 1.592 MB / 0.9195 GB, free: 166.3 MB / 0.7169 GB Notification: Performance of collectInitialBindings (initialization): time 0.0007913/1.522, allocations: 0.532 MB / 0.92 GB, free: 166 MB / 0.7169 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001514/1.522, allocations: 34.97 kB / 0.9201 GB, free: 166 MB / 0.7169 GB Notification: Performance of setup shared object (initialization): time 0.0001371/1.522, allocations: 381.2 kB / 0.9204 GB, free: 165.6 MB / 0.7169 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003939/1.526, allocations: 1.596 MB / 0.922 GB, free: 165.2 MB / 0.7169 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.004145/1.531, allocations: 2.129 MB / 0.9241 GB, free: 164.2 MB / 0.7169 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003608/1.534, allocations: 1.766 MB / 0.9258 GB, free: 163.6 MB / 0.7169 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.356e-06/1.534, allocations: 6.75 kB / 0.9258 GB, free: 163.6 MB / 0.7169 GB Notification: Performance of matching and sorting (n=237) (initialization): time 0.00936/1.544, allocations: 4.272 MB / 0.93 GB, free: 162.2 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 0.00083/1.544, allocations: 3.797 MB / 0.9337 GB, free: 158.2 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.12e-05/1.544, allocations: 19.5 kB / 0.9337 GB, free: 158.2 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001016/1.546, allocations: 263.8 kB / 0.9339 GB, free: 158.1 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00292/1.548, allocations: 0.6429 MB / 0.9346 GB, free: 157.9 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001082/1.55, allocations: 1.376 MB / 0.9359 GB, free: 156.6 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004685/1.554, allocations: 408.5 kB / 0.9363 GB, free: 156.5 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000359/1.555, allocations: 126.5 kB / 0.9364 GB, free: 156.4 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 1.628e-05/1.555, allocations: 3 kB / 0.9364 GB, free: 156.4 MB / 0.7169 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.008154/1.563, allocations: 3.853 MB / 0.9402 GB, free: 154.6 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.331e-05/1.563, allocations: 11.25 kB / 0.9402 GB, free: 154.6 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004988/1.563, allocations: 183.3 kB / 0.9404 GB, free: 154.5 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002828/1.566, allocations: 0.6416 MB / 0.941 GB, free: 154 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002917/1.569, allocations: 3.701 MB / 0.9446 GB, free: 150 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004549/1.574, allocations: 400.3 kB / 0.945 GB, free: 149.7 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003486/1.574, allocations: 128.8 kB / 0.9451 GB, free: 149.6 MB / 0.7169 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 38 * Number of states: 0 () * Number of discrete variables: 6 ($whenCondition1,chiPar.on[2],$PRE.pulse.T_start,pulse.T_start,$PRE.pulse.count,pulse.count) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (218): * Single equations (assignments): 209 * Array equations: 4 * Algorithm blocks: 1 * Record equations: 2 * 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: 0 * Non-linear torn systems: 2 {3 4,3 4} Notification: Performance of prepare postOptimizeDAE: time 0.002906/1.577, allocations: 1.389 MB / 0.9465 GB, free: 148.2 MB / 0.7169 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00103/1.578, allocations: 359.5 kB / 0.9468 GB, free: 147.8 MB / 0.7169 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.008096/1.586, allocations: 3.847 MB / 0.9506 GB, free: 144 MB / 0.7169 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.766e-05/1.586, allocations: 19.98 kB / 0.9506 GB, free: 144 MB / 0.7169 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.363e-06/1.586, allocations: 2.812 kB / 0.9506 GB, free: 144 MB / 0.7169 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.005972/1.592, allocations: 3.197 MB / 0.9537 GB, free: 140.7 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 postOpt removeSimpleEquations (simulation): time 0.01401/1.606, allocations: 7.5 MB / 0.961 GB, free: 133.1 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.25e-05/1.606, allocations: 7.938 kB / 0.9611 GB, free: 133.1 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002238/1.609, allocations: 475.5 kB / 0.9615 GB, free: 132.7 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003255/1.609, allocations: 160.2 kB / 0.9617 GB, free: 132.5 MB / 0.7169 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001647/1.609, allocations: 59.95 kB / 0.9617 GB, free: 132.5 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.000736/1.61, allocations: 1.304 MB / 0.963 GB, free: 131.1 MB / 0.7169 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.705e-06/1.61, allocations: 8 kB / 0.963 GB, free: 131.1 MB / 0.7169 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01083/1.621, allocations: 5.778 MB / 0.9686 GB, free: 125.2 MB / 0.7169 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002841/1.624, allocations: 0.8355 MB / 0.9695 GB, free: 124.4 MB / 0.7169 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009455/1.624, allocations: 43.98 kB / 0.9695 GB, free: 124.3 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003211/1.628, allocations: 349.5 kB / 0.9698 GB, free: 124 MB / 0.7169 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002519/1.628, allocations: 125 kB / 0.97 GB, free: 123.9 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001874/1.628, allocations: 87.94 kB / 0.97 GB, free: 123.8 MB / 0.7169 GB Notification: Performance of sorting global known variables: time 0.004095/1.632, allocations: 2.783 MB / 0.9728 GB, free: 121 MB / 0.7169 GB Notification: Performance of sort global known variables: time 1.6e-07/1.632, allocations: 1.094 kB / 0.9728 GB, free: 121 MB / 0.7169 GB Notification: Performance of remove unused functions: time 0.005803/1.638, allocations: 1.735 MB / 0.9744 GB, free: 119.3 MB / 0.7169 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 9 * Number of states: 8 (chiPar.filter[1].x[1],chiPar.filter[1].x[2],chiPar.filter[2].x[1],chiPar.filter[2].x[2],chiPar.chi[1].vol1.dynBal.U,chiPar.chi[1].vol2.dynBal.U,chiPar.chi[2].vol1.dynBal.U,chiPar.chi[2].vol2.dynBal.U) * Number of discrete variables: 4 ($whenCondition1,chiPar.on[2],pulse.T_start,pulse.count) * Number of discrete states: 1 (pulse.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (162): * Single equations (assignments): 150 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 8 * When equations: 2 * 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: 0 * Non-linear torn systems: 2 {3 4,3 4} Notification: Performance of Backend phase and start with SimCode phase: time 0.001491/1.64, allocations: 0.6479 MB / 0.9751 GB, free: 118.7 MB / 0.7169 GB Notification: Performance of simCode: created initialization part: time 0.01201/1.652, allocations: 6.024 MB / 0.981 GB, free: 112.6 MB / 0.7169 GB Notification: Performance of simCode: created event and clocks part: time 1.103e-05/1.652, allocations: 0 / 0.981 GB, free: 112.6 MB / 0.7169 GB Notification: Performance of simCode: created simulation system equations: time 0.003513/1.655, allocations: 1.67 MB / 0.9826 GB, free: 111 MB / 0.7169 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0101/1.665, allocations: 2.09 MB / 0.9846 GB, free: 108.9 MB / 0.7169 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01408/1.679, allocations: 9.043 MB / 0.9935 GB, free: 99.83 MB / 0.7169 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002059/1.682, allocations: 2.978 MB / 0.9964 GB, free: 96.82 MB / 0.7169 GB Notification: Performance of simCode: alias equations: time 0.006637/1.688, allocations: 1.78 MB / 0.9981 GB, free: 95.07 MB / 0.7169 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001117/1.689, allocations: 319.2 kB / 0.9984 GB, free: 94.76 MB / 0.7169 GB Notification: Performance of SimCode: time 1.042e-06/1.689, allocations: 0 / 0.9984 GB, free: 94.76 MB / 0.7169 GB Notification: Performance of Templates: time 0.1152/1.805, allocations: 79.76 MB / 1.076 GB, free: 15.96 MB / 0.7169 GB make -j1 -f Buildings_maint.7.0.x_Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.ElectricChillerParallel.makefile Environment - environmentSimulation: (rm -f Buildings_maint.7.0.x_Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.ElectricChillerParallel.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.ElectricChillerParallel.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.ElectricChillerParallel.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.ElectricChillerParallel.sim & ./Buildings_maint.7.0.x_Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.ElectricChillerParallel -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_maint.7.0.x_Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.ElectricChillerParallel.pipe 2>&1) Environment - environmentSimulation: