Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Fluid.Examples.Performance.Example1v2.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.Fluid.Examples.Performance.Example1v2,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Fluid.Examples.Performance.Example1v2") translateModel(Buildings.Fluid.Examples.Performance.Example1v2,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Fluid.Examples.Performance.Example1v2") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008207/0.0008206, allocations: 91.84 kB / 15.36 MB, free: 0.7383 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.007147/0.007147, allocations: 169.3 kB / 16.26 MB, free: 6.676 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.454/1.454, allocations: 205.4 MB / 222.4 MB, free: 5.566 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 1.547/1.547, allocations: 252 MB / 0.5105 GB, free: 4.664 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 0.0005746/0.0005746, allocations: 19.94 kB / 0.6249 GB, free: 0.7383 MB / 0.5137 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.5087/0.5092, allocations: 106.3 MB / 0.7287 GB, free: 11.29 MB / 0.545 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.Performance.Example1v2): time 0.06775/0.577, allocations: 78.9 MB / 0.8058 GB, free: 12.12 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.03147/0.6085, allocations: 22.52 MB / 0.8278 GB, free: 5.555 MB / 0.6387 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.004812/0.6134, allocations: 95.31 kB / 0.8278 GB, free: 5.461 MB / 0.6387 GB Notification: Performance of NFTyping.typeComponents: time 0.003685/0.6171, allocations: 0.9715 MB / 0.8288 GB, free: 4.484 MB / 0.6387 GB Notification: Performance of NFTyping.typeBindings: time 0.008429/0.6255, allocations: 2.558 MB / 0.8313 GB, free: 1.918 MB / 0.6387 GB Notification: Performance of NFTyping.typeClassSections: time 0.006008/0.6316, allocations: 2.148 MB / 0.8334 GB, free: 15.79 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.03504/0.6666, allocations: 35.84 MB / 0.8684 GB, free: 11.86 MB / 0.6856 GB Notification: Performance of NFFlatten.resolveConnections: time 0.02199/0.6887, allocations: 14.92 MB / 0.883 GB, free: 12.83 MB / 0.7012 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01901/0.7077, allocations: 9.14 MB / 0.8919 GB, free: 3.66 MB / 0.7012 GB Notification: Performance of NFSimplifyModel.simplify: time 0.02016/0.7279, allocations: 11.27 MB / 0.9029 GB, free: 8.348 MB / 0.7169 GB Notification: Performance of NFPackage.collectConstants: time 0.004312/0.7322, allocations: 0.8047 MB / 0.9037 GB, free: 7.543 MB / 0.7169 GB Notification: Performance of NFFlatten.collectFunctions: time 0.009507/0.7418, allocations: 2.064 MB / 0.9057 GB, free: 5.477 MB / 0.7169 GB Notification: Performance of NFScalarize.scalarize: time 0.007182/0.749, allocations: 3.017 MB / 0.9086 GB, free: 2.449 MB / 0.7169 GB Notification: Performance of NFVerifyModel.verify: time 0.4313/1.18, allocations: 5.753 MB / 0.9143 GB, free: 40.33 MB / 0.7169 GB Notification: Performance of NFConvertDAE.convert: time 0.03083/1.211, allocations: 17.49 MB / 0.9313 GB, free: 39.98 MB / 0.7169 GB Notification: Performance of FrontEnd - DAE generated: time 6.292e-06/1.211, allocations: 2.406 kB / 0.9313 GB, free: 39.98 MB / 0.7169 GB Notification: Performance of FrontEnd: time 2.375e-06/1.211, allocations: 0 / 0.9313 GB, free: 39.98 MB / 0.7169 GB Notification: Performance of Transformations before backend: time 0.0006871/1.212, allocations: 3.844 kB / 0.9313 GB, free: 39.98 MB / 0.7169 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1418 * Number of variables: 1418 Notification: Performance of Generate backend data structure: time 0.03661/1.249, allocations: 12.87 MB / 0.9439 GB, free: 35.91 MB / 0.7169 GB Notification: Performance of prepare preOptimizeDAE: time 4.089e-05/1.249, allocations: 13.75 kB / 0.9439 GB, free: 35.91 MB / 0.7169 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.008799/1.257, allocations: 1.267 MB / 0.9452 GB, free: 35.39 MB / 0.7169 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01883/1.276, allocations: 9.846 MB / 0.9548 GB, free: 33.93 MB / 0.7169 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003904/1.277, allocations: 443.2 kB / 0.9552 GB, free: 33.92 MB / 0.7169 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.004489/1.281, allocations: 0.5751 MB / 0.9558 GB, free: 33.92 MB / 0.7169 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02959/1.311, allocations: 14.63 MB / 0.9701 GB, free: 31.95 MB / 0.7169 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001664/1.311, allocations: 22.56 kB / 0.9701 GB, free: 31.94 MB / 0.7169 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001704/1.313, allocations: 241.7 kB / 0.9703 GB, free: 31.94 MB / 0.7169 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.187e-05/1.313, allocations: 138.1 kB / 0.9704 GB, free: 31.94 MB / 0.7169 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02744/1.34, allocations: 19.79 MB / 0.9898 GB, free: 28.59 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 preOpt removeSimpleEquations (simulation): time 0.1103/1.451, allocations: 66.09 MB / 1.054 GB, free: 0.9531 MB / 0.7481 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01531/1.466, allocations: 9.205 MB / 1.063 GB, free: 7.738 MB / 0.7637 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01333/1.479, allocations: 8.608 MB / 1.072 GB, free: 15.14 MB / 0.7794 GB Notification: Performance of preOpt evalFunc (simulation): time 0.05909/1.538, allocations: 30.62 MB / 1.102 GB, free: 252 kB / 0.795 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01036/1.549, allocations: 7.651 MB / 1.109 GB, free: 8.551 MB / 0.8106 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0311/1.58, allocations: 11.78 MB / 1.121 GB, free: 12.9 MB / 0.8262 GB Notification: Performance of pre-optimization done (n=300): time 2.587e-05/1.58, allocations: 3.984 kB / 1.121 GB, free: 12.89 MB / 0.8262 GB Notification: Performance of matching and sorting (n=300): time 0.05265/1.633, allocations: 23.88 MB / 1.144 GB, free: 4.918 MB / 0.8419 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.71e-05/1.633, allocations: 85.75 kB / 1.144 GB, free: 4.82 MB / 0.8419 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01288/1.646, allocations: 7.889 MB / 1.152 GB, free: 12.95 MB / 0.8575 GB Notification: Performance of collectPreVariables (initialization): time 0.002133/1.648, allocations: 97.7 kB / 1.152 GB, free: 12.84 MB / 0.8575 GB Notification: Performance of collectInitialEqns (initialization): time 0.003898/1.652, allocations: 4 MB / 1.156 GB, free: 8.836 MB / 0.8575 GB Notification: Performance of collectInitialBindings (initialization): time 0.003052/1.655, allocations: 1.076 MB / 1.157 GB, free: 7.766 MB / 0.8575 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001478/1.656, allocations: 387.3 kB / 1.157 GB, free: 7.383 MB / 0.8575 GB Notification: Performance of setup shared object (initialization): time 9.503e-05/1.656, allocations: 301.1 kB / 1.157 GB, free: 7.086 MB / 0.8575 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01019/1.667, allocations: 6.531 MB / 1.164 GB, free: 0.543 MB / 0.8575 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01296/1.68, allocations: 8.342 MB / 1.172 GB, free: 7.391 MB / 0.8731 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.02562/1.705, allocations: 15.27 MB / 1.187 GB, free: 7.617 MB / 0.8887 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.131e-05/1.705, allocations: 12 kB / 1.187 GB, free: 7.605 MB / 0.8887 GB Notification: Performance of matching and sorting (n=579) (initialization): time 0.03587/1.741, allocations: 17.7 MB / 1.204 GB, free: 6.168 MB / 0.9044 GB Notification: Performance of prepare postOptimizeDAE: time 0.001024/1.742, allocations: 1.558 MB / 1.206 GB, free: 3.953 MB / 0.9044 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.203e-05/1.742, allocations: 48 kB / 1.206 GB, free: 3.906 MB / 0.9044 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.06949/1.812, allocations: 11.4 MB / 1.217 GB, free: 8.547 MB / 0.92 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.009534/1.821, allocations: 1.553 MB / 1.218 GB, free: 7.059 MB / 0.92 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.008723/1.83, allocations: 6.464 MB / 1.225 GB, free: 424 kB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01273/1.843, allocations: 0.524 MB / 1.225 GB, free: 15.89 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.003136/1.846, allocations: 0.5382 MB / 1.226 GB, free: 15.36 MB / 0.9356 GB Notification: Performance of prepare postOptimizeDAE: time 1.459e-05/1.846, allocations: 10.19 kB / 1.226 GB, free: 15.35 MB / 0.9356 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.04256/1.889, allocations: 16.82 MB / 1.242 GB, free: 14.78 MB / 0.9512 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001289/1.889, allocations: 48.22 kB / 1.242 GB, free: 14.73 MB / 0.9512 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.06747/1.956, allocations: 10.93 MB / 1.253 GB, free: 3.828 MB / 0.9512 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.009287/1.966, allocations: 1.553 MB / 1.254 GB, free: 2.344 MB / 0.9512 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.4224/2.388, allocations: 10.37 MB / 1.264 GB, free: 373.2 MB / 0.9512 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0124/2.401, allocations: 0.502 MB / 1.265 GB, free: 373.2 MB / 0.9512 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.003412/2.404, allocations: 0.5307 MB / 1.265 GB, free: 373.2 MB / 0.9512 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 217 * Number of states: 0 () * Number of discrete variables: 8 (pulse.count,$PRE.pulse.count,pulse.T_start,$PRE.pulse.T_start,$whenCondition1,from_dp.y,nRes.y,allowFlowReversal.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (527): * Single equations (assignments): 521 * Array equations: 1 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 3 systems {(1,3), (20,21), (2,5)} Notification: Performance of prepare postOptimizeDAE: time 0.008889/2.413, allocations: 2.64 MB / 1.268 GB, free: 373 MB / 0.9512 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.003177/2.416, allocations: 0.7519 MB / 1.269 GB, free: 373 MB / 0.9512 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02685/2.443, allocations: 14.17 MB / 1.283 GB, free: 367.6 MB / 0.9512 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.576e-05/2.443, allocations: 33.84 kB / 1.283 GB, free: 367.6 MB / 0.9512 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 9.839e-06/2.443, allocations: 0 / 1.283 GB, free: 367.6 MB / 0.9512 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.01574/2.459, allocations: 10.77 MB / 1.293 GB, free: 362.8 MB / 0.9512 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 0.04229/2.501, allocations: 24.53 MB / 1.317 GB, free: 346.8 MB / 0.9512 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.025e-05/2.501, allocations: 0 / 1.317 GB, free: 346.8 MB / 0.9512 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.005526/2.507, allocations: 0.6921 MB / 1.318 GB, free: 346.1 MB / 0.9512 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.06457/2.571, allocations: 10.26 MB / 1.328 GB, free: 336.1 MB / 0.9512 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.001342/2.573, allocations: 99.94 kB / 1.328 GB, free: 336 MB / 0.9512 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004359/2.577, allocations: 4.706 MB / 1.333 GB, free: 331.1 MB / 0.9512 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.964e-06/2.577, allocations: 0 / 1.333 GB, free: 331.1 MB / 0.9512 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02513/2.602, allocations: 19.3 MB / 1.351 GB, free: 312.1 MB / 0.9512 GB Notification: Performance of postOpt removeConstants (simulation): time 0.005836/2.608, allocations: 1.934 MB / 1.353 GB, free: 310.3 MB / 0.9512 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.002424/2.611, allocations: 71.98 kB / 1.353 GB, free: 310.2 MB / 0.9512 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.007526/2.618, allocations: 386.5 kB / 1.354 GB, free: 309.8 MB / 0.9512 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001151/2.619, allocations: 214.4 kB / 1.354 GB, free: 309.6 MB / 0.9512 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0007187/2.62, allocations: 159.9 kB / 1.354 GB, free: 309.5 MB / 0.9512 GB Notification: Performance of sorting global known variables: time 0.009439/2.63, allocations: 5.436 MB / 1.359 GB, free: 304.1 MB / 0.9512 GB Notification: Performance of sort global known variables: time 7.01e-07/2.63, allocations: 0 / 1.359 GB, free: 304.1 MB / 0.9512 GB Notification: Performance of remove unused functions: time 0.02049/2.65, allocations: 4.848 MB / 1.364 GB, free: 299.4 MB / 0.9512 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 22 (pump.vol.dynBal.U,hea.outCon.T,vol[1].dynBal.U,vol[2].dynBal.U,vol[3].dynBal.U,vol[4].dynBal.U,vol[5].dynBal.U,vol[6].dynBal.U,vol[7].dynBal.U,vol[8].dynBal.U,vol[9].dynBal.U,vol[10].dynBal.U,vol[11].dynBal.U,vol[12].dynBal.U,vol[13].dynBal.U,vol[14].dynBal.U,vol[15].dynBal.U,vol[16].dynBal.U,vol[17].dynBal.U,vol[18].dynBal.U,vol[19].dynBal.U,vol[20].dynBal.U) * Number of discrete variables: 3 ($whenCondition1,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 (304): * Single equations (assignments): 294 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 3 systems {(1,3), (2,5), (20,21)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002116/2.652, allocations: 0.5709 MB / 1.365 GB, free: 298.9 MB / 0.9512 GB Notification: Performance of simCode: created initialization part: time 0.03151/2.684, allocations: 24 MB / 1.388 GB, free: 274.9 MB / 0.9512 GB Notification: Performance of simCode: created event and clocks part: time 8.716e-06/2.684, allocations: 8.188 kB / 1.388 GB, free: 274.9 MB / 0.9512 GB Notification: Performance of simCode: created simulation system equations: time 0.008448/2.692, allocations: 6.396 MB / 1.394 GB, free: 268.4 MB / 0.9512 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.02491/2.717, allocations: 4.669 MB / 1.399 GB, free: 263.9 MB / 0.9512 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03012/2.747, allocations: 23.67 MB / 1.422 GB, free: 240.2 MB / 0.9512 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003983/2.751, allocations: 5.201 MB / 1.427 GB, free: 234.9 MB / 0.9512 GB Notification: Performance of simCode: alias equations: time 0.01891/2.77, allocations: 4.96 MB / 1.432 GB, free: 230 MB / 0.9512 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.005565/2.776, allocations: 0.9047 MB / 1.433 GB, free: 229.1 MB / 0.9512 GB Notification: Performance of SimCode: time 8.02e-07/2.776, allocations: 0 / 1.433 GB, free: 229.1 MB / 0.9512 GB Notification: Performance of Templates: time 0.2597/3.036, allocations: 217.3 MB / 1.645 GB, free: 13.21 MB / 0.9512 GB make -j1 -f Buildings_maint.7.0.x_Buildings.Fluid.Examples.Performance.Example1v2.makefile Environment - environmentSimulation: (rm -f Buildings_maint.7.0.x_Buildings.Fluid.Examples.Performance.Example1v2.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Fluid.Examples.Performance.Example1v2.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Fluid.Examples.Performance.Example1v2.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Fluid.Examples.Performance.Example1v2.sim & ./Buildings_maint.7.0.x_Buildings.Fluid.Examples.Performance.Example1v2 -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_maint.7.0.x_Buildings.Fluid.Examples.Performance.Example1v2.pipe 2>&1) Environment - environmentSimulation: