Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.BoundaryConditions.Validation.BESTEST.WD200.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.BoundaryConditions.Validation.BESTEST.WD200,tolerance=1e-06,outputFormat="empty",numberOfIntervals=70080,variableFilter="",fileNamePrefix="Buildings_8_Buildings.BoundaryConditions.Validation.BESTEST.WD200") translateModel(Buildings.BoundaryConditions.Validation.BESTEST.WD200,tolerance=1e-06,outputFormat="empty",numberOfIntervals=70080,variableFilter="",fileNamePrefix="Buildings_8_Buildings.BoundaryConditions.Validation.BESTEST.WD200") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008271/0.0008272, allocations: 86.64 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 0.001148/0.001149, 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 3.2.3+maint.om/package.mo): time 1.454/1.454, allocations: 205.4 MB / 222.1 MB, free: 5.648 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 1.708/1.708, allocations: 292.7 MB / 0.5499 GB, free: 14.56 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 0.0005285/0.0005285, allocations: 12.94 kB / 0.6737 GB, free: 26.28 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2421/0.2426, allocations: 116.3 MB / 0.7873 GB, free: 11.95 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.BoundaryConditions.Validation.BESTEST.WD200): time 0.0174/0.26, allocations: 16.11 MB / 0.803 GB, free: 11.8 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.6726/0.9327, allocations: 147.8 MB / 0.9473 GB, free: 1.395 MB / 0.7169 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.005959/0.9387, allocations: 73.69 kB / 0.9474 GB, free: 1.379 MB / 0.7169 GB Notification: Performance of NFTyping.typeComponents: time 0.003128/0.9419, allocations: 0.5377 MB / 0.9479 GB, free: 1.07 MB / 0.7169 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/BoundaryConditions/WeatherData/BaseClasses/getHeaderElementTMY3.mo:2:1-105:25:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘ contains a call to impure function ‘Modelica.Utilities.Streams.readLine‘. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/BoundaryConditions/WeatherData/BaseClasses/getLongitudeTMY3.mo:2:1-48:21:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getLongitudeTMY3‘ contains a call to impure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/BoundaryConditions/WeatherData/BaseClasses/getLatitudeTMY3.mo:2:1-48:20:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getLatitudeTMY3‘ contains a call to impure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/BoundaryConditions/WeatherData/BaseClasses/getTimeZoneTMY3.mo:2:1-47:20:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getTimeZoneTMY3‘ contains a call to impure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘. Notification: Performance of NFTyping.typeBindings: time 0.008479/0.9504, allocations: 1.317 MB / 0.9492 GB, free: 0.5898 MB / 0.7169 GB Notification: Performance of NFTyping.typeClassSections: time 0.01057/0.961, allocations: 2.475 MB / 0.9516 GB, free: 484 kB / 0.7169 GB Notification: Performance of NFFlatten.flatten: time 0.01557/0.9766, allocations: 8.139 MB / 0.9596 GB, free: 15.41 MB / 0.7325 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01402/0.9906, allocations: 6.881 MB / 0.9663 GB, free: 14.21 MB / 0.7325 GB Notification: Performance of NFEvalConstants.evaluate: time 0.007853/0.9985, allocations: 2.656 MB / 0.9689 GB, free: 13.37 MB / 0.7325 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006733/1.005, allocations: 3.182 MB / 0.972 GB, free: 12.02 MB / 0.7325 GB Notification: Performance of NFPackage.collectConstants: time 0.002366/1.008, allocations: 204.4 kB / 0.9722 GB, free: 12.02 MB / 0.7325 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003532/1.011, allocations: 0.5713 MB / 0.9727 GB, free: 11.92 MB / 0.7325 GB Notification: Performance of NFScalarize.scalarize: time 0.00133/1.013, allocations: 1.338 MB / 0.974 GB, free: 11.26 MB / 0.7325 GB Notification: Performance of NFVerifyModel.verify: time 0.002339/1.015, allocations: 1.67 MB / 0.9757 GB, free: 10.89 MB / 0.7325 GB Notification: Performance of NFConvertDAE.convert: time 0.01316/1.028, allocations: 12.68 MB / 0.9881 GB, free: 3.184 MB / 0.7325 GB Notification: Performance of FrontEnd - DAE generated: time 6.022e-06/1.028, allocations: 0 / 0.9881 GB, free: 3.184 MB / 0.7325 GB Notification: Performance of FrontEnd: time 2.004e-06/1.028, allocations: 0 / 0.9881 GB, free: 3.184 MB / 0.7325 GB Notification: Performance of Transformations before backend: time 0.0006256/1.029, allocations: 0 / 0.9881 GB, free: 3.184 MB / 0.7325 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2857 * Number of variables: 2857 Notification: Performance of Generate backend data structure: time 0.01942/1.048, allocations: 8.036 MB / 0.9959 GB, free: 14.42 MB / 0.7481 GB Notification: Performance of prepare preOptimizeDAE: time 4.126e-05/1.048, allocations: 8.25 kB / 0.9959 GB, free: 14.42 MB / 0.7481 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.04356/1.092, allocations: 7.526 MB / 1.003 GB, free: 11.21 MB / 0.7481 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01159/1.103, allocations: 4.644 MB / 1.008 GB, free: 9.32 MB / 0.7481 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007776/1.104, allocations: 0.8098 MB / 1.009 GB, free: 9.293 MB / 0.7481 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.003852/1.108, allocations: 1.057 MB / 1.01 GB, free: 9.289 MB / 0.7481 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04764/1.156, allocations: 14.12 MB / 1.023 GB, free: 3.68 MB / 0.7481 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0004201/1.156, allocations: 3.938 kB / 1.023 GB, free: 3.676 MB / 0.7481 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.003514/1.16, allocations: 455.4 kB / 1.024 GB, free: 3.582 MB / 0.7481 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003151/1.16, allocations: 272 kB / 1.024 GB, free: 3.316 MB / 0.7481 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04935/1.21, allocations: 15.88 MB / 1.04 GB, free: 7.844 MB / 0.7637 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.08123/1.291, allocations: 33.14 MB / 1.072 GB, free: 11.14 MB / 0.795 GB Notification: Performance of preOpt comSubExp (simulation): time 0.03124/1.322, allocations: 9.907 MB / 1.082 GB, free: 1.195 MB / 0.795 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01597/1.338, allocations: 4.99 MB / 1.087 GB, free: 12.19 MB / 0.8106 GB Notification: Performance of preOpt evalFunc (simulation): time 0.002104/1.34, allocations: 0.6807 MB / 1.087 GB, free: 11.48 MB / 0.8106 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01961/1.36, allocations: 5.714 MB / 1.093 GB, free: 5.691 MB / 0.8106 GB Notification: Performance of pre-optimization done (n=677): time 1.878e-05/1.36, allocations: 0 / 1.093 GB, free: 5.691 MB / 0.8106 GB Notification: Performance of matching and sorting (n=677): time 0.05258/1.413, allocations: 14.27 MB / 1.107 GB, free: 7.293 MB / 0.8262 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.00033/1.413, allocations: 356.1 kB / 1.107 GB, free: 6.875 MB / 0.8262 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00819/1.421, allocations: 3.147 MB / 1.11 GB, free: 3.746 MB / 0.8262 GB Notification: Performance of collectPreVariables (initialization): time 0.002374/1.424, allocations: 141.7 kB / 1.11 GB, free: 3.602 MB / 0.8262 GB Notification: Performance of collectInitialEqns (initialization): time 0.003777/1.427, allocations: 3.628 MB / 1.114 GB, free: 15.94 MB / 0.8419 GB Notification: Performance of collectInitialBindings (initialization): time 0.004314/1.432, allocations: 2.2 MB / 1.116 GB, free: 13.76 MB / 0.8419 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001939/1.434, allocations: 120 kB / 1.116 GB, free: 13.64 MB / 0.8419 GB Notification: Performance of setup shared object (initialization): time 0.0005502/1.434, allocations: 0.5305 MB / 1.117 GB, free: 13.1 MB / 0.8419 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01488/1.449, allocations: 4.197 MB / 1.121 GB, free: 8.898 MB / 0.8419 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01509/1.464, allocations: 4.747 MB / 1.125 GB, free: 4.07 MB / 0.8419 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01503/1.479, allocations: 4.382 MB / 1.13 GB, free: 15.66 MB / 0.8575 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.533e-05/1.479, allocations: 0 / 1.13 GB, free: 15.66 MB / 0.8575 GB Notification: Performance of matching and sorting (n=768) (initialization): time 0.03778/1.517, allocations: 10.27 MB / 1.14 GB, free: 5.309 MB / 0.8575 GB Notification: Performance of prepare postOptimizeDAE: time 4.409e-05/1.517, allocations: 8.344 kB / 1.14 GB, free: 5.301 MB / 0.8575 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.641e-05/1.517, allocations: 8 kB / 1.14 GB, free: 5.293 MB / 0.8575 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001049/1.518, allocations: 189.5 kB / 1.14 GB, free: 5.102 MB / 0.8575 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01258/1.531, allocations: 1.927 MB / 1.142 GB, free: 3.172 MB / 0.8575 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003816/1.535, allocations: 3.053 MB / 1.145 GB, free: 15.84 MB / 0.8731 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01007/1.545, allocations: 1.043 MB / 1.146 GB, free: 14.8 MB / 0.8731 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.002561/1.548, allocations: 323.6 kB / 1.146 GB, free: 14.48 MB / 0.8731 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 23 * Number of states: 0 () * Number of discrete variables: 16 ($whenCondition2,$whenCondition1,$PRE.weaDatTDryBulTDewPoinOpa.conTimMin.tNext,weaDatTDryBulTDewPoinOpa.conTimMin.tNext,$PRE.weaDatTDryBulTDewPoinOpa.conTim.tNext,weaDatTDryBulTDewPoinOpa.conTim.tNext,weaDatTDryBulTDewPoinOpa.conTimMin.canRepeatWeatherFile,weaDatTDryBulTDewPoinOpa.conTim.canRepeatWeatherFile,$whenCondition4,$whenCondition3,$PRE.weaDatHHorIR.conTimMin.tNext,weaDatHHorIR.conTimMin.tNext,$PRE.weaDatHHorIR.conTim.tNext,weaDatHHorIR.conTim.tNext,weaDatHHorIR.conTimMin.canRepeatWeatherFile,weaDatHHorIR.conTim.canRepeatWeatherFile) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (764): * Single equations (assignments): 762 * 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: 0 * Non-linear torn systems: 2 {1 2,1 2} Notification: Performance of prepare postOptimizeDAE: time 0.008411/1.556, allocations: 1.55 MB / 1.148 GB, free: 12.92 MB / 0.8731 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.003102/1.559, allocations: 497.7 kB / 1.148 GB, free: 12.43 MB / 0.8731 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.04734/1.606, allocations: 11.98 MB / 1.16 GB, free: 364 kB / 0.8731 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.0001007/1.607, allocations: 68 kB / 1.16 GB, free: 296 kB / 0.8731 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.004e-05/1.607, allocations: 4 kB / 1.16 GB, free: 292 kB / 0.8731 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0002534/1.607, allocations: 39.88 kB / 1.16 GB, free: 252 kB / 0.8731 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.06271/1.67, allocations: 21.29 MB / 1.181 GB, free: 10.93 MB / 0.9044 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.523e-05/1.67, allocations: 0 / 1.181 GB, free: 10.93 MB / 0.9044 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01199/1.682, allocations: 1.783 MB / 1.182 GB, free: 9.148 MB / 0.9044 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.001055/1.683, allocations: 185.5 kB / 1.183 GB, free: 8.961 MB / 0.9044 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.002261/1.685, allocations: 219.7 kB / 1.183 GB, free: 8.746 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.003525/1.689, allocations: 3.101 MB / 1.186 GB, free: 5.371 MB / 0.9044 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.415e-06/1.689, allocations: 4.031 kB / 1.186 GB, free: 5.367 MB / 0.9044 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.03663/1.725, allocations: 10.11 MB / 1.196 GB, free: 11.16 MB / 0.92 GB Notification: Performance of postOpt removeConstants (simulation): time 0.005293/1.731, allocations: 1.862 MB / 1.197 GB, free: 9.273 MB / 0.92 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.002725/1.733, allocations: 121.7 kB / 1.198 GB, free: 9.156 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.008973/1.742, allocations: 0.7336 MB / 1.198 GB, free: 8.422 MB / 0.92 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001526/1.744, allocations: 409.1 kB / 1.199 GB, free: 8.02 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.001644/1.746, allocations: 271.7 kB / 1.199 GB, free: 7.754 MB / 0.92 GB Notification: Performance of sorting global known variables: time 0.004803/1.75, allocations: 2.334 MB / 1.201 GB, free: 5.414 MB / 0.92 GB Notification: Performance of sort global known variables: time 3.21e-07/1.75, allocations: 0 / 1.201 GB, free: 5.414 MB / 0.92 GB Notification: Performance of remove unused functions: time 0.008422/1.759, allocations: 2.309 MB / 1.203 GB, free: 3.094 MB / 0.92 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 2 * Number of states: 0 () * Number of discrete variables: 8 ($whenCondition2,$whenCondition1,weaDatTDryBulTDewPoinOpa.conTimMin.tNext,weaDatTDryBulTDewPoinOpa.conTim.tNext,$whenCondition4,$whenCondition3,weaDatHHorIR.conTimMin.tNext,weaDatHHorIR.conTim.tNext) * Number of discrete states: 4 (weaDatHHorIR.conTim.tNext,weaDatHHorIR.conTimMin.tNext,weaDatTDryBulTDewPoinOpa.conTimMin.tNext,weaDatTDryBulTDewPoinOpa.conTim.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (718): * Single equations (assignments): 712 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 4 * 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 {1 3,1 3} Notification: Performance of Backend phase and start with SimCode phase: time 0.002912/1.762, allocations: 0.7496 MB / 1.204 GB, free: 2.539 MB / 0.92 GB Notification: Performance of simCode: created initialization part: time 0.0323/1.794, allocations: 10.21 MB / 1.214 GB, free: 8.258 MB / 0.9356 GB Notification: Performance of simCode: created event and clocks part: time 1.523e-05/1.794, allocations: 0 / 1.214 GB, free: 8.258 MB / 0.9356 GB Notification: Performance of simCode: created simulation system equations: time 0.01818/1.812, allocations: 5.508 MB / 1.22 GB, free: 2.719 MB / 0.9356 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.008359/1.821, allocations: 0.8436 MB / 1.22 GB, free: 1.883 MB / 0.9356 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.04227/1.863, allocations: 20.33 MB / 1.24 GB, free: 13.49 MB / 0.9669 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003591/1.867, allocations: 3.889 MB / 1.244 GB, free: 9.562 MB / 0.9669 GB Notification: Performance of simCode: alias equations: time 0.01386/1.881, allocations: 1.713 MB / 1.246 GB, free: 7.844 MB / 0.9669 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.003931/1.885, allocations: 0.7019 MB / 1.246 GB, free: 7.145 MB / 0.9669 GB Notification: Performance of SimCode: time 9.22e-07/1.885, allocations: 0 / 1.246 GB, free: 7.145 MB / 0.9669 GB Notification: Performance of Templates: time 0.5875/2.472, allocations: 84.7 MB / 1.329 GB, free: 347.6 MB / 0.9981 GB make -j1 -f Buildings_8_Buildings.BoundaryConditions.Validation.BESTEST.WD200.makefile Environment - environmentSimulation: (rm -f Buildings_8_Buildings.BoundaryConditions.Validation.BESTEST.WD200.pipe ; mkfifo Buildings_8_Buildings.BoundaryConditions.Validation.BESTEST.WD200.pipe ; head -c 1048576 < Buildings_8_Buildings.BoundaryConditions.Validation.BESTEST.WD200.pipe >> ../files/Buildings_8_Buildings.BoundaryConditions.Validation.BESTEST.WD200.sim & ./Buildings_8_Buildings.BoundaryConditions.Validation.BESTEST.WD200 -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.BoundaryConditions.Validation.BESTEST.WD200.pipe 2>&1) Environment - environmentSimulation: