Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor.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.WeatherData.Validation.ReaderTMY3HDirNor,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor") translateModel(Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0009963/0.0009962, allocations: 98.03 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 0.006953/0.006953, allocations: 169.1 kB / 16.26 MB, free: 6.652 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.483/1.483, allocations: 205.4 MB / 222.4 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 1.728/1.728, 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 0.0005561/0.0005563, allocations: 13.78 kB / 0.6743 GB, free: 25.82 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2755/0.2761, allocations: 116.3 MB / 0.7879 GB, free: 11.59 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor): time 0.004363/0.2805, allocations: 3.792 MB / 0.7916 GB, free: 7.777 MB / 0.6075 GB Notification: Performance of NFInst.instExpressions: time 0.7037/0.9842, allocations: 146.3 MB / 0.9344 GB, free: 1.508 MB / 0.7169 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0008734/0.9851, allocations: 18.75 kB / 0.9345 GB, free: 1.5 MB / 0.7169 GB Notification: Performance of NFTyping.typeComponents: time 0.0005509/0.9857, allocations: 129.5 kB / 0.9346 GB, free: 1.445 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 0.001247/0.9869, allocations: 369.2 kB / 0.9349 GB, free: 1.348 MB / 0.7169 GB Notification: Performance of NFTyping.typeClassSections: time 0.001795/0.9887, allocations: 0.6727 MB / 0.9356 GB, free: 1.285 MB / 0.7169 GB Notification: Performance of NFFlatten.flatten: time 0.001172/0.9899, allocations: 1.112 MB / 0.9367 GB, free: 1.137 MB / 0.7169 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0008022/0.9907, allocations: 0.5135 MB / 0.9372 GB, free: 1.016 MB / 0.7169 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0004714/0.9912, allocations: 317.8 kB / 0.9375 GB, free: 0.9922 MB / 0.7169 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0004455/0.9916, allocations: 332.9 kB / 0.9378 GB, free: 0.9844 MB / 0.7169 GB Notification: Performance of NFPackage.collectConstants: time 7.219e-05/0.9917, allocations: 24.84 kB / 0.9378 GB, free: 0.9844 MB / 0.7169 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001387/0.9931, allocations: 0.6797 MB / 0.9385 GB, free: 0.9531 MB / 0.7169 GB Notification: Performance of NFScalarize.scalarize: time 0.0002292/0.9934, allocations: 169.8 kB / 0.9387 GB, free: 0.9492 MB / 0.7169 GB Notification: Performance of NFVerifyModel.verify: time 0.0005062/0.9939, allocations: 398.7 kB / 0.939 GB, free: 16.91 MB / 0.7325 GB Notification: Performance of NFConvertDAE.convert: time 0.001723/0.9956, allocations: 1.457 MB / 0.9405 GB, free: 16.81 MB / 0.7325 GB Notification: Performance of FrontEnd - DAE generated: time 4.449e-06/0.9956, allocations: 0 / 0.9405 GB, free: 16.81 MB / 0.7325 GB Notification: Performance of FrontEnd: time 2.655e-06/0.9956, allocations: 0 / 0.9405 GB, free: 16.81 MB / 0.7325 GB Notification: Performance of Transformations before backend: time 1.36e-05/0.9956, allocations: 0 / 0.9405 GB, free: 16.81 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: 174 * Number of variables: 174 Notification: Performance of Generate backend data structure: time 0.002028/0.9977, allocations: 1.132 MB / 0.9416 GB, free: 16.08 MB / 0.7325 GB Notification: Performance of prepare preOptimizeDAE: time 4.527e-05/0.9977, allocations: 9.25 kB / 0.9416 GB, free: 16.08 MB / 0.7325 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001195/0.9989, allocations: 208.5 kB / 0.9418 GB, free: 16.02 MB / 0.7325 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001037/1, allocations: 0.697 MB / 0.9424 GB, free: 15.7 MB / 0.7325 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.242e-05/1, allocations: 51.28 kB / 0.9425 GB, free: 15.7 MB / 0.7325 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001262/1, allocations: 71.22 kB / 0.9426 GB, free: 15.7 MB / 0.7325 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00169/1.002, allocations: 0.8299 MB / 0.9434 GB, free: 15.53 MB / 0.7325 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.033e-05/1.002, allocations: 2.531 kB / 0.9434 GB, free: 15.53 MB / 0.7325 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.301e-05/1.002, allocations: 29.41 kB / 0.9434 GB, free: 15.53 MB / 0.7325 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.727e-05/1.002, allocations: 17.66 kB / 0.9434 GB, free: 15.53 MB / 0.7325 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002074/1.004, allocations: 1.086 MB / 0.9445 GB, free: 15.52 MB / 0.7325 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.004413/1.009, allocations: 2.383 MB / 0.9468 GB, free: 14.64 MB / 0.7325 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001524/1.01, allocations: 0.7576 MB / 0.9476 GB, free: 14.59 MB / 0.7325 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006677/1.011, allocations: 308.3 kB / 0.9478 GB, free: 14.59 MB / 0.7325 GB Notification: Performance of preOpt evalFunc (simulation): time 8.437e-05/1.011, allocations: 34.97 kB / 0.9479 GB, free: 14.59 MB / 0.7325 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.000973/1.012, allocations: 475.2 kB / 0.9483 GB, free: 14.5 MB / 0.7325 GB Notification: Performance of pre-optimization done (n=73): time 6.041e-06/1.012, allocations: 4 kB / 0.9483 GB, free: 14.5 MB / 0.7325 GB Notification: Performance of matching and sorting (n=73): time 0.003504/1.015, allocations: 1.194 MB / 0.9495 GB, free: 14.29 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001025/1.016, allocations: 189.8 kB / 0.9497 GB, free: 14.07 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008178/1.016, allocations: 0.5894 MB / 0.9503 GB, free: 13.94 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 6.694e-05/1.016, allocations: 44.64 kB / 0.9503 GB, free: 13.9 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002715/1.017, allocations: 350.8 kB / 0.9506 GB, free: 13.74 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002012/1.017, allocations: 243.2 kB / 0.9509 GB, free: 13.59 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 9.776e-05/1.017, allocations: 59.94 kB / 0.9509 GB, free: 13.57 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 0.0001851/1.017, allocations: 385 kB / 0.9513 GB, free: 13.25 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006227/1.018, allocations: 270.6 kB / 0.9515 GB, free: 13.25 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007406/1.019, allocations: 374.8 kB / 0.9519 GB, free: 13.2 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001334/1.02, allocations: 0.6278 MB / 0.9525 GB, free: 13.13 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.567e-06/1.02, allocations: 0.9062 kB / 0.9525 GB, free: 13.13 MB / 0.7325 GB Notification: Performance of matching and sorting (n=87) (initialization): time 0.002153/1.022, allocations: 0.8613 MB / 0.9534 GB, free: 13.01 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 2.336e-05/1.022, allocations: 5.031 kB / 0.9534 GB, free: 13.01 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.906e-06/1.022, allocations: 1.375 kB / 0.9534 GB, free: 13.01 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006016/1.023, allocations: 86.16 kB / 0.9535 GB, free: 13 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007149/1.023, allocations: 161.2 kB / 0.9536 GB, free: 12.99 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002004/1.025, allocations: 1.536 MB / 0.9551 GB, free: 11.68 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007102/1.026, allocations: 97.38 kB / 0.9552 GB, free: 11.65 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.637e-05/1.026, allocations: 38.97 kB / 0.9552 GB, free: 11.65 MB / 0.7325 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 5 * Number of states: 0 () * Number of discrete variables: 8 (weaDatInpCon.conTim.canRepeatWeatherFile,weaDatInpCon.conTimMin.canRepeatWeatherFile,weaDatInpCon.conTim.tNext,$PRE.weaDatInpCon.conTim.tNext,weaDatInpCon.conTimMin.tNext,$PRE.weaDatInpCon.conTimMin.tNext,$whenCondition1,$whenCondition2) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (85): * Single equations (assignments): 84 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 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): 1 system {(1,2)} Notification: Performance of prepare postOptimizeDAE: time 0.0004012/1.027, allocations: 251.6 kB / 0.9555 GB, free: 11.52 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000138/1.027, allocations: 75.81 kB / 0.9555 GB, free: 11.48 MB / 0.7325 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002684/1.03, allocations: 1.124 MB / 0.9566 GB, free: 11.33 MB / 0.7325 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.204e-05/1.03, allocations: 13.69 kB / 0.9567 GB, free: 11.32 MB / 0.7325 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.178e-06/1.03, allocations: 2.484 kB / 0.9567 GB, free: 11.32 MB / 0.7325 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.738e-06/1.03, allocations: 2.531 kB / 0.9567 GB, free: 11.32 MB / 0.7325 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001058/1.031, allocations: 0.8374 MB / 0.9575 GB, free: 11.1 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.649e-06/1.031, allocations: 5.188 kB / 0.9575 GB, free: 11.1 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000636/1.031, allocations: 162.4 kB / 0.9576 GB, free: 11.09 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.000493/1.032, allocations: 83.95 kB / 0.9577 GB, free: 11.08 MB / 0.7325 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.126e-05/1.032, allocations: 23.83 kB / 0.9577 GB, free: 11.08 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001782/1.034, allocations: 1.56 MB / 0.9593 GB, free: 9.77 MB / 0.7325 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.162e-06/1.034, allocations: 0 / 0.9593 GB, free: 9.77 MB / 0.7325 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002054/1.036, allocations: 0.92 MB / 0.9602 GB, free: 9.613 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003535/1.036, allocations: 277.4 kB / 0.9604 GB, free: 9.461 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001023/1.036, allocations: 21.56 kB / 0.9604 GB, free: 9.457 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000572/1.037, allocations: 82.39 kB / 0.9605 GB, free: 9.449 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001347/1.037, allocations: 63.97 kB / 0.9606 GB, free: 9.449 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.519e-05/1.037, allocations: 36.75 kB / 0.9606 GB, free: 9.441 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.0005452/1.038, allocations: 425.8 kB / 0.961 GB, free: 9.352 MB / 0.7325 GB Notification: Performance of sort global known variables: time 1.6e-07/1.038, allocations: 0 / 0.961 GB, free: 9.352 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.0008727/1.038, allocations: 281.6 kB / 0.9613 GB, free: 9.309 MB / 0.7325 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 4 ($whenCondition2,$whenCondition1,weaDatInpCon.conTimMin.tNext,weaDatInpCon.conTim.tNext) * Number of discrete states: 2 (weaDatInpCon.conTimMin.tNext,weaDatInpCon.conTim.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (87): * Single equations (assignments): 84 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 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): 1 system {(1,3)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001294/1.04, allocations: 0.5688 MB / 0.9619 GB, free: 9.086 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.001733/1.042, allocations: 0.8339 MB / 0.9627 GB, free: 8.938 MB / 0.7325 GB Notification: Performance of simCode: created event and clocks part: time 3.727e-06/1.042, allocations: 1.219 kB / 0.9627 GB, free: 8.938 MB / 0.7325 GB Notification: Performance of simCode: created simulation system equations: time 0.0009456/1.042, allocations: 0.526 MB / 0.9632 GB, free: 8.801 MB / 0.7325 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001179/1.044, allocations: 261.9 kB / 0.9634 GB, free: 8.75 MB / 0.7325 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003759/1.047, allocations: 2.068 MB / 0.9655 GB, free: 7.594 MB / 0.7325 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004967/1.048, allocations: 0.9871 MB / 0.9664 GB, free: 6.781 MB / 0.7325 GB Notification: Performance of simCode: alias equations: time 0.0007954/1.049, allocations: 266.7 kB / 0.9667 GB, free: 6.645 MB / 0.7325 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002425/1.049, allocations: 102.3 kB / 0.9668 GB, free: 6.621 MB / 0.7325 GB Notification: Performance of SimCode: time 4.01e-07/1.049, allocations: 4 kB / 0.9668 GB, free: 6.617 MB / 0.7325 GB Notification: Performance of Templates: time 0.02136/1.07, allocations: 13.49 MB / 0.9799 GB, free: 15.89 MB / 0.7481 GB make -j1 -f Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor.makefile Environment - environmentSimulation: (rm -f Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor.pipe ; mkfifo Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor.pipe ; head -c 1048576 < Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor.pipe >> ../files/Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor.sim & ./Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor.pipe 2>&1) Environment - environmentSimulation: