Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr IDEAS_IDEAS.ThermalZones.ReducedOrder.Validation.RoomWithLatentGain.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-master/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/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: translateModel(IDEAS.ThermalZones.ReducedOrder.Validation.RoomWithLatentGain,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.ThermalZones.ReducedOrder.Validation.RoomWithLatentGain") translateModel(IDEAS.ThermalZones.ReducedOrder.Validation.RoomWithLatentGain,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.ThermalZones.ReducedOrder.Validation.RoomWithLatentGain") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008496/0.0008497, 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/Complex 4.0.0+maint.om/package.mo): time 0.0008683/0.0008683, allocations: 177.3 kB / 15.94 MB, free: 228 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.26/1.26, allocations: 223.2 MB / 239.9 MB, free: 5.328 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.854/0.854, allocations: 135.2 MB / 426.2 MB, free: 14.34 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0002768/0.0002768, allocations: 14.75 kB / 0.5068 GB, free: 5.266 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1468/0.1471, allocations: 82.32 MB / 0.5872 GB, free: 3.129 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IDEAS.ThermalZones.ReducedOrder.Validation.RoomWithLatentGain): time 0.3962/0.5433, allocations: 167.4 MB / 0.7507 GB, free: 4.492 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.01335/0.5567, allocations: 9.568 MB / 0.76 GB, free: 11.55 MB / 0.5763 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00197/0.5587, allocations: 55.62 kB / 0.7601 GB, free: 11.5 MB / 0.5763 GB Notification: Performance of NFTyping.typeComponents: time 0.003755/0.5625, allocations: 2.77 MB / 0.7628 GB, free: 8.719 MB / 0.5763 GB Notification: Performance of NFTyping.typeBindings: time 0.006978/0.5695, allocations: 3.215 MB / 0.7659 GB, free: 5.496 MB / 0.5763 GB Notification: Performance of NFTyping.typeClassSections: time 0.004347/0.5739, allocations: 1.565 MB / 0.7674 GB, free: 3.973 MB / 0.5763 GB Notification: Performance of NFFlatten.flatten: time 0.004206/0.5781, allocations: 2.472 MB / 0.7698 GB, free: 1.5 MB / 0.5763 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001894/0.58, allocations: 1.564 MB / 0.7714 GB, free: 15.91 MB / 0.5919 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001682/0.5817, allocations: 1.285 MB / 0.7726 GB, free: 14.62 MB / 0.5919 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001692/0.5834, allocations: 1.636 MB / 0.7742 GB, free: 12.98 MB / 0.5919 GB Notification: Performance of NFPackage.collectConstants: time 0.0001598/0.5836, allocations: 68 kB / 0.7743 GB, free: 12.91 MB / 0.5919 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001782/0.5853, allocations: 0.7177 MB / 0.775 GB, free: 12.2 MB / 0.5919 GB Notification: Performance of NFScalarize.scalarize: time 0.000679/0.586, allocations: 0.7594 MB / 0.7757 GB, free: 11.43 MB / 0.5919 GB Notification: Performance of NFVerifyModel.verify: time 0.0004504/0.5865, allocations: 0.4922 MB / 0.7762 GB, free: 10.93 MB / 0.5919 GB Notification: Performance of NFConvertDAE.convert: time 0.00245/0.589, allocations: 2.608 MB / 0.7788 GB, free: 8.32 MB / 0.5919 GB Notification: Performance of FrontEnd - DAE generated: time 2.295e-06/0.589, allocations: 0 / 0.7788 GB, free: 8.32 MB / 0.5919 GB Notification: Performance of FrontEnd: time 1.583e-06/0.589, allocations: 4 kB / 0.7788 GB, free: 8.316 MB / 0.5919 GB Notification: Performance of Transformations before backend: time 3.486e-05/0.589, allocations: 4 kB / 0.7788 GB, free: 8.312 MB / 0.5919 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 314 * Number of variables: 314 Notification: Performance of Generate backend data structure: time 0.003989/0.593, allocations: 2.852 MB / 0.7815 GB, free: 5.402 MB / 0.5919 GB Notification: Performance of prepare preOptimizeDAE: time 3.507e-05/0.5931, allocations: 8.031 kB / 0.7816 GB, free: 5.395 MB / 0.5919 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001477/0.5945, allocations: 459.7 kB / 0.782 GB, free: 4.941 MB / 0.5919 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00221/0.5968, allocations: 1.435 MB / 0.7834 GB, free: 3.445 MB / 0.5919 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001588/0.5969, allocations: 144.2 kB / 0.7835 GB, free: 3.297 MB / 0.5919 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001856/0.5971, allocations: 136 kB / 0.7837 GB, free: 3.164 MB / 0.5919 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002295/0.5994, allocations: 1.5 MB / 0.7851 GB, free: 1.617 MB / 0.5919 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.81e-05/0.5995, allocations: 7.922 kB / 0.7851 GB, free: 1.609 MB / 0.5919 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001152/0.5996, allocations: 52 kB / 0.7852 GB, free: 1.559 MB / 0.5919 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.397e-05/0.5996, allocations: 42.44 kB / 0.7852 GB, free: 1.516 MB / 0.5919 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002012/0.6017, allocations: 1.263 MB / 0.7865 GB, free: 252 kB / 0.5919 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 0.008255/0.6099, allocations: 6.559 MB / 0.7929 GB, free: 9.262 MB / 0.6075 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002137/0.6121, allocations: 1.251 MB / 0.7941 GB, free: 7.984 MB / 0.6075 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002248/0.6123, allocations: 118.1 kB / 0.7942 GB, free: 7.852 MB / 0.6075 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001062/0.6134, allocations: 0.6727 MB / 0.7949 GB, free: 7.172 MB / 0.6075 GB Notification: Performance of pre-optimization done (n=114): time 3.326e-06/0.6134, allocations: 0 / 0.7949 GB, free: 7.172 MB / 0.6075 GB Notification: Performance of matching and sorting (n=114): time 0.004748/0.6182, allocations: 2.396 MB / 0.7972 GB, free: 4.727 MB / 0.6075 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.783e-05/0.6182, allocations: 64.39 kB / 0.7973 GB, free: 4.652 MB / 0.6075 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003986/0.6222, allocations: 4.015 MB / 0.8012 GB, free: 0.625 MB / 0.6075 GB Notification: Performance of collectPreVariables (initialization): time 0.0001529/0.6224, allocations: 57.69 kB / 0.8012 GB, free: 0.5625 MB / 0.6075 GB Notification: Performance of collectInitialEqns (initialization): time 0.001005/0.6234, allocations: 1.279 MB / 0.8025 GB, free: 15.27 MB / 0.6231 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003483/0.6238, allocations: 378.7 kB / 0.8028 GB, free: 14.9 MB / 0.6231 GB Notification: Performance of simplifyInitialFunctions (initialization): time 5.763e-05/0.6238, allocations: 24 kB / 0.8029 GB, free: 14.88 MB / 0.6231 GB Notification: Performance of setup shared object (initialization): time 0.0001462/0.624, allocations: 353.9 kB / 0.8032 GB, free: 14.52 MB / 0.6231 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0009323/0.6249, allocations: 0.5062 MB / 0.8037 GB, free: 14.02 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001052/0.626, allocations: 0.7573 MB / 0.8044 GB, free: 13.16 MB / 0.6231 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001002/0.627, allocations: 0.6144 MB / 0.805 GB, free: 12.55 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.865e-06/0.627, allocations: 4 kB / 0.805 GB, free: 12.55 MB / 0.6231 GB Notification: Performance of matching and sorting (n=156) (initialization): time 0.002956/0.63, allocations: 1.803 MB / 0.8068 GB, free: 10.73 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 2.188e-05/0.63, allocations: 9.875 kB / 0.8068 GB, free: 10.72 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.167e-05/0.63, allocations: 4 kB / 0.8068 GB, free: 10.72 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005804/0.6306, allocations: 233 kB / 0.807 GB, free: 10.49 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009031/0.6315, allocations: 247.6 kB / 0.8073 GB, free: 10.25 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00414/0.6357, allocations: 4.321 MB / 0.8115 GB, free: 5.66 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001404/0.6371, allocations: 195.6 kB / 0.8117 GB, free: 5.469 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.334e-05/0.6372, allocations: 48 kB / 0.8117 GB, free: 5.422 MB / 0.6231 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 27 * Number of states: 0 () * Number of discrete variables: 35 ($PRE.assEqu.nFai,assEqu.nFai,$whenCondition8,$whenCondition7,$PRE.intGai.nextTimeEvent,$whenCondition6,$PRE.reference.nextTimeEvent,$whenCondition5,$PRE.outdoorTemp.nextTimeEvent,$whenCondition4,$PRE.tableSolRadWindow.nextTimeEvent,$whenCondition3,$PRE.ventRate.nextTimeEvent,$whenCondition1,$whenCondition2,reference.nextTimeEvent,$PRE.reference.nextTimeEventScaled,reference.nextTimeEventScaled,$PRE.assEqu.satisfied,assEqu.satisfied,$PRE.mean.y_last,mean.y_last,intGai.nextTimeEvent,$PRE.intGai.nextTimeEventScaled,intGai.nextTimeEventScaled,outdoorTemp.nextTimeEvent,$PRE.outdoorTemp.nextTimeEventScaled,outdoorTemp.nextTimeEventScaled,tableSolRadWindow.nextTimeEvent,$PRE.tableSolRadWindow.nextTimeEventScaled,tableSolRadWindow.nextTimeEventScaled,greaterThreshold1.y,ventRate.nextTimeEvent,$PRE.ventRate.nextTimeEventScaled,ventRate.nextTimeEventScaled) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (138): * Single equations (assignments): 136 * Array equations: 0 * Algorithm blocks: 0 * 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: 2 {(2,100.0%) 14,(1,100.0%) 3} * Non-linear torn systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.001281/0.6385, allocations: 0.8024 MB / 0.8125 GB, free: 4.609 MB / 0.6231 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002978/0.6388, allocations: 284.4 kB / 0.8128 GB, free: 4.328 MB / 0.6231 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002657/0.6414, allocations: 1.659 MB / 0.8144 GB, free: 2.648 MB / 0.6231 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.883e-05/0.6415, allocations: 12 kB / 0.8144 GB, free: 2.637 MB / 0.6231 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.37e-06/0.6415, allocations: 64 / 0.8144 GB, free: 2.637 MB / 0.6231 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.002192/0.6437, allocations: 1.459 MB / 0.8158 GB, free: 1.121 MB / 0.6231 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 0.005467/0.6492, allocations: 3.684 MB / 0.8194 GB, free: 13.34 MB / 0.6388 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.478e-06/0.6492, allocations: 0 / 0.8194 GB, free: 13.34 MB / 0.6388 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007329/0.6499, allocations: 179.7 kB / 0.8196 GB, free: 13.16 MB / 0.6388 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004603/0.6504, allocations: 220.6 kB / 0.8198 GB, free: 12.94 MB / 0.6388 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.324e-05/0.6505, allocations: 27.98 kB / 0.8198 GB, free: 12.91 MB / 0.6388 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.003859/0.6543, allocations: 4.299 MB / 0.824 GB, free: 8.348 MB / 0.6388 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.437e-06/0.6544, allocations: 3.938 kB / 0.824 GB, free: 8.344 MB / 0.6388 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003523/0.6579, allocations: 2.541 MB / 0.8265 GB, free: 5.711 MB / 0.6388 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0007716/0.6587, allocations: 461.4 kB / 0.827 GB, free: 5.238 MB / 0.6388 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001973/0.6589, allocations: 24 kB / 0.827 GB, free: 5.215 MB / 0.6388 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008091/0.6597, allocations: 99.91 kB / 0.8271 GB, free: 5.117 MB / 0.6388 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001966/0.6599, allocations: 104.8 kB / 0.8272 GB, free: 5.016 MB / 0.6388 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.292e-05/0.66, allocations: 47.97 kB / 0.8272 GB, free: 4.969 MB / 0.6388 GB Notification: Performance of sorting global known variables: time 0.002908/0.6629, allocations: 2.912 MB / 0.8301 GB, free: 2.059 MB / 0.6388 GB Notification: Performance of sort global known variables: time 2.61e-07/0.6629, allocations: 0 / 0.8301 GB, free: 2.059 MB / 0.6388 GB Notification: Performance of remove unused functions: time 0.001422/0.6643, allocations: 0.5222 MB / 0.8306 GB, free: 1.535 MB / 0.6388 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * Number of states: 7 (thermalZoneTwoElements.volMoiAir.dynBal.U,thermalZoneTwoElements.volMoiAir.dynBal.m,thermalZoneTwoElements.volMoiAir.dynBal.mXi[1],thermalZoneTwoElements.extWallRC.thermCapExt[1].T,thermalZoneTwoElements.intWallRC.thermCapInt[1].T,assEqu.diff,mean.x) * Number of discrete variables: 22 ($whenCondition8,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,intGai.nextTimeEvent,intGai.nextTimeEventScaled,reference.nextTimeEvent,reference.nextTimeEventScaled,outdoorTemp.nextTimeEvent,outdoorTemp.nextTimeEventScaled,tableSolRadWindow.nextTimeEvent,tableSolRadWindow.nextTimeEventScaled,greaterThreshold1.y,ventRate.nextTimeEvent,ventRate.nextTimeEventScaled,assEqu.satisfied,assEqu.nFai,mean.y_last) * Number of discrete states: 13 (intGai.nextTimeEvent,reference.nextTimeEvent,outdoorTemp.nextTimeEvent,tableSolRadWindow.nextTimeEvent,ventRate.nextTimeEvent,mean.x,assEqu.satisfied,assEqu.nFai,ventRate.nextTimeEventScaled,tableSolRadWindow.nextTimeEventScaled,outdoorTemp.nextTimeEventScaled,reference.nextTimeEventScaled,intGai.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (96): * Single equations (assignments): 82 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 12 * 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: 2 {(2,100.0%) 14,(1,100.0%) 3} * Non-linear torn systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.00121/0.6655, allocations: 0.5993 MB / 0.8312 GB, free: 1.152 MB / 0.6388 GB Notification: Performance of simCode: created initialization part: time 0.002481/0.668, allocations: 1.553 MB / 0.8327 GB, free: 15.58 MB / 0.6544 GB Notification: Performance of simCode: created event and clocks part: time 2.855e-06/0.6681, allocations: 0 / 0.8327 GB, free: 15.58 MB / 0.6544 GB Notification: Performance of simCode: created simulation system equations: time 0.001294/0.6694, allocations: 0.9368 MB / 0.8336 GB, free: 14.61 MB / 0.6544 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0021/0.6715, allocations: 0.5408 MB / 0.8341 GB, free: 14.08 MB / 0.6544 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007655/0.6791, allocations: 6.444 MB / 0.8404 GB, free: 7.59 MB / 0.6544 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001531/0.6807, allocations: 1.969 MB / 0.8423 GB, free: 5.594 MB / 0.6544 GB Notification: Performance of simCode: alias equations: time 0.000955/0.6816, allocations: 323 kB / 0.8427 GB, free: 5.273 MB / 0.6544 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002624/0.6819, allocations: 115.3 kB / 0.8428 GB, free: 5.16 MB / 0.6544 GB Notification: Performance of SimCode: time 7.32e-07/0.6819, allocations: 0 / 0.8428 GB, free: 5.16 MB / 0.6544 GB Notification: Performance of Templates: time 0.2636/0.9456, allocations: 23.46 MB / 0.8657 GB, free: 213 MB / 0.67 GB make -j1 -f IDEAS_IDEAS.ThermalZones.ReducedOrder.Validation.RoomWithLatentGain.makefile Environment - environmentSimulation: (rm -f IDEAS_IDEAS.ThermalZones.ReducedOrder.Validation.RoomWithLatentGain.pipe ; mkfifo IDEAS_IDEAS.ThermalZones.ReducedOrder.Validation.RoomWithLatentGain.pipe ; head -c 1048576 < IDEAS_IDEAS.ThermalZones.ReducedOrder.Validation.RoomWithLatentGain.pipe >> ../files/IDEAS_IDEAS.ThermalZones.ReducedOrder.Validation.RoomWithLatentGain.sim & ./IDEAS_IDEAS.ThermalZones.ReducedOrder.Validation.RoomWithLatentGain -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_IDEAS.ThermalZones.ReducedOrder.Validation.RoomWithLatentGain.pipe 2>&1) Environment - environmentSimulation: