Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_3.0.0_Buildings.HeatTransfer.Windows.Examples.SideFins.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo", uses=false) 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 3.0.0/package.mo", uses=false) Using package Buildings with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 3.0.0/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) Using package Modelica_StateGraph2 with version 2.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo) Running command: translateModel(Buildings.HeatTransfer.Windows.Examples.SideFins,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.HeatTransfer.Windows.Examples.SideFins") translateModel(Buildings.HeatTransfer.Windows.Examples.SideFins,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.HeatTransfer.Windows.Examples.SideFins") [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:257:38-257:110:writable] Warning: The file was not encoded in UTF-8: "

An important practical aspect of state machines is the abilit...". Defaulting to 7-bit ASCII with unknown characters replaced by '?'. To change encoding when loading a file: loadFile(encoding="ISO-XXXX-YY"). To change it in a package: add a file package.encoding at the top-level. Note: The Modelica Language Specification only allows files encoded in UTF-8. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:761:36-761:108:writable] Warning: The file was not encoded in UTF-8: "

The Modelica_StateGraph2 library is described in detail in (O...". Defaulting to 7-bit ASCII with unknown characters replaced by '?'. To change encoding when loading a file: loadFile(encoding="ISO-XXXX-YY"). To change it in a package: add a file package.encoding at the top-level. Note: The Modelica Language Specification only allows files encoded in UTF-8. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:1435:36-1435:108:writable] Warning: The file was not encoded in UTF-8: "

Main Authors:

SCode: time 0.5442/0.545, allocations: 82.2 MB / 0.5935 GB, free: 21.55 MB / 446.1 MB Notification: Performance of NFInst.instantiate(Buildings.HeatTransfer.Windows.Examples.SideFins): time 0.005281/0.5504, allocations: 4.138 MB / 0.5975 GB, free: 17.39 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.1592/0.7096, allocations: 136.4 MB / 0.7307 GB, free: 8.617 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001026/0.7107, allocations: 11.94 kB / 0.7308 GB, free: 8.605 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.0006935/0.7114, allocations: 99.19 kB / 0.7309 GB, free: 8.508 MB / 0.5606 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 3.0.0/BoundaryConditions/WeatherData/BaseClasses/getAbsolutePath.mo:7:3-16:19:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getAbsolutePath.loadResource‘ contains a call to impure function ‘Modelica.Utilities.Files.fullPathName‘. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 3.0.0/BoundaryConditions/WeatherData/BaseClasses/getAbsolutePath.mo:2:1-80:20:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getAbsolutePath‘ contains a call to impure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getAbsolutePath.loadResource‘. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 3.0.0/BoundaryConditions/WeatherData/BaseClasses/getHeaderElementTMY3.mo:2:1-92:25: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 3.0.0/BoundaryConditions/WeatherData/BaseClasses/getLongitudeTMY3.mo:2:1-47:21: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 3.0.0/BoundaryConditions/WeatherData/BaseClasses/getLatitudeTMY3.mo:2:1-47:20: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 3.0.0/BoundaryConditions/WeatherData/BaseClasses/getTimeZoneTMY3.mo:2:1-46:20: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 0.001942/0.7134, allocations: 455.3 kB / 0.7313 GB, free: 8.062 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.002087/0.7155, allocations: 0.5865 MB / 0.7319 GB, free: 7.484 MB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.002562/0.7181, allocations: 1.456 MB / 0.7333 GB, free: 6.02 MB / 0.5606 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001582/0.7197, allocations: 0.6019 MB / 0.7339 GB, free: 5.395 MB / 0.5606 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001607/0.7213, allocations: 430.1 kB / 0.7343 GB, free: 4.973 MB / 0.5606 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001042/0.7224, allocations: 493.7 kB / 0.7348 GB, free: 4.488 MB / 0.5606 GB Notification: Performance of NFPackage.collectConstants: time 0.0001233/0.7225, allocations: 32 kB / 0.7348 GB, free: 4.457 MB / 0.5606 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001165/0.7237, allocations: 423.6 kB / 0.7352 GB, free: 4.043 MB / 0.5606 GB Notification: Performance of NFScalarize.scalarize: time 0.0002581/0.7239, allocations: 251 kB / 0.7354 GB, free: 3.797 MB / 0.5606 GB Notification: Performance of NFVerifyModel.verify: time 0.000343/0.7243, allocations: 245 kB / 0.7357 GB, free: 3.551 MB / 0.5606 GB Notification: Performance of NFConvertDAE.convert: time 0.001587/0.7259, allocations: 1.512 MB / 0.7371 GB, free: 2.035 MB / 0.5606 GB Notification: Performance of FrontEnd - DAE generated: time 5.711e-06/0.7259, allocations: 0 / 0.7371 GB, free: 2.035 MB / 0.5606 GB Notification: Performance of FrontEnd: time 2.074e-06/0.7259, allocations: 3.938 kB / 0.7371 GB, free: 2.031 MB / 0.5606 GB Notification: Performance of Transformations before backend: time 1.367e-05/0.7259, allocations: 0 / 0.7371 GB, free: 2.031 MB / 0.5606 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 313 * Number of variables: 313 Notification: Performance of Generate backend data structure: time 0.002506/0.7284, allocations: 1.429 MB / 0.7385 GB, free: 0.5391 MB / 0.5606 GB Notification: Performance of prepare preOptimizeDAE: time 4.456e-05/0.7285, allocations: 8.031 kB / 0.7385 GB, free: 0.5312 MB / 0.5606 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.009001/0.7375, allocations: 1.684 MB / 0.7402 GB, free: 14.84 MB / 0.5762 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001718/0.7393, allocations: 0.8826 MB / 0.741 GB, free: 13.91 MB / 0.5762 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.832e-05/0.7394, allocations: 90.47 kB / 0.7411 GB, free: 13.82 MB / 0.5762 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001866/0.7395, allocations: 120 kB / 0.7412 GB, free: 13.71 MB / 0.5762 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00505/0.7446, allocations: 2.222 MB / 0.7434 GB, free: 11.43 MB / 0.5762 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.515e-05/0.7447, allocations: 0 / 0.7434 GB, free: 11.43 MB / 0.5762 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001492/0.7448, allocations: 48 kB / 0.7435 GB, free: 11.39 MB / 0.5762 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.68e-05/0.7448, allocations: 32 kB / 0.7435 GB, free: 11.36 MB / 0.5762 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0074/0.7523, allocations: 3.159 MB / 0.7466 GB, free: 8.188 MB / 0.5762 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.008491/0.7608, allocations: 4.642 MB / 0.7511 GB, free: 3.465 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007699/0.7685, allocations: 3.08 MB / 0.7541 GB, free: 392 kB / 0.5762 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.5595/1.328, allocations: 1.224 MB / 0.7553 GB, free: 24.66 MB / 0.5762 GB Notification: Performance of preOpt evalFunc (simulation): time 0.00105/1.329, allocations: 1.033 MB / 0.7563 GB, free: 23.54 MB / 0.5762 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.004152/1.333, allocations: 1.491 MB / 0.7578 GB, free: 23.46 MB / 0.5762 GB Notification: Performance of pre-optimization done (n=120): time 3.236e-06/1.333, allocations: 0.7188 kB / 0.7578 GB, free: 23.46 MB / 0.5762 GB Notification: Performance of matching and sorting (n=120): time 0.01078/1.344, allocations: 3.788 MB / 0.7615 GB, free: 23.29 MB / 0.5762 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.811e-05/1.344, allocations: 117 kB / 0.7616 GB, free: 23.17 MB / 0.5762 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001321/1.346, allocations: 0.6699 MB / 0.7622 GB, free: 23.04 MB / 0.5762 GB Notification: Performance of collectPreVariables (initialization): time 0.0001375/1.346, allocations: 50.84 kB / 0.7623 GB, free: 23 MB / 0.5762 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004467/1.346, allocations: 450.7 kB / 0.7627 GB, free: 22.83 MB / 0.5762 GB Notification: Performance of collectInitialBindings (initialization): time 0.0004197/1.347, allocations: 399.3 kB / 0.7631 GB, free: 22.57 MB / 0.5762 GB Notification: Performance of simplifyInitialFunctions (initialization): time 9.841e-05/1.347, allocations: 18.41 kB / 0.7631 GB, free: 22.57 MB / 0.5762 GB Notification: Performance of setup shared object (initialization): time 0.0001828/1.347, allocations: 394.7 kB / 0.7635 GB, free: 22.26 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003625/1.351, allocations: 1.126 MB / 0.7646 GB, free: 22.24 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003971/1.355, allocations: 1.238 MB / 0.7658 GB, free: 22.13 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.004023/1.359, allocations: 1.094 MB / 0.7669 GB, free: 22.09 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.228e-06/1.359, allocations: 0.5312 kB / 0.7669 GB, free: 22.09 MB / 0.5762 GB Notification: Performance of matching and sorting (n=128) (initialization): time 0.006928/1.366, allocations: 2.569 MB / 0.7694 GB, free: 21.93 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 3.67e-05/1.366, allocations: 6.719 kB / 0.7694 GB, free: 21.93 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.468e-05/1.366, allocations: 0 / 0.7694 GB, free: 21.93 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005529/1.366, allocations: 84.39 kB / 0.7695 GB, free: 21.92 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002441/1.369, allocations: 464.6 kB / 0.7699 GB, free: 21.91 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002145/1.371, allocations: 1.432 MB / 0.7713 GB, free: 20.62 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002084/1.373, allocations: 321.7 kB / 0.7716 GB, free: 20.56 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001669/1.373, allocations: 63.84 kB / 0.7717 GB, free: 20.56 MB / 0.5762 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 5 * Number of states: 0 () * Number of discrete variables: 6 ($whenCondition2,$whenCondition1,$PRE.weaDat.conTim1.tStart,weaDat.conTim1.tStart,$PRE.weaDat.conTim.tStart,weaDat.conTim.tStart) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (127): * Single equations (assignments): 126 * 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: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 1 {1 1} Notification: Performance of prepare postOptimizeDAE: time 0.0009601/1.374, allocations: 318.6 kB / 0.772 GB, free: 20.45 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002329/1.374, allocations: 101.7 kB / 0.7721 GB, free: 20.39 MB / 0.5762 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.007871/1.382, allocations: 2.979 MB / 0.775 GB, free: 20.17 MB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.652e-05/1.382, allocations: 14.64 kB / 0.775 GB, free: 20.17 MB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.52e-06/1.382, allocations: 1.781 kB / 0.775 GB, free: 20.17 MB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.686e-05/1.382, allocations: 6.094 kB / 0.775 GB, free: 20.17 MB / 0.5762 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01033/1.393, allocations: 4.742 MB / 0.7796 GB, free: 19.73 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.446e-06/1.393, allocations: 0 / 0.7796 GB, free: 19.73 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00222/1.395, allocations: 477.2 kB / 0.7801 GB, free: 19.71 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.000416/1.395, allocations: 75.62 kB / 0.7802 GB, free: 19.7 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000138/1.395, allocations: 47.64 kB / 0.7802 GB, free: 19.7 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001544/1.397, allocations: 1.484 MB / 0.7817 GB, free: 18.41 MB / 0.5762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.124e-06/1.397, allocations: 0 / 0.7817 GB, free: 18.41 MB / 0.5762 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.006971/1.404, allocations: 2.73 MB / 0.7843 GB, free: 18.12 MB / 0.5762 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0009169/1.405, allocations: 450.1 kB / 0.7848 GB, free: 17.96 MB / 0.5762 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001895/1.405, allocations: 30.22 kB / 0.7848 GB, free: 17.95 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001761/1.407, allocations: 290.2 kB / 0.7851 GB, free: 17.93 MB / 0.5762 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001993/1.407, allocations: 79.41 kB / 0.7851 GB, free: 17.93 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001378/1.407, allocations: 58.92 kB / 0.7852 GB, free: 17.93 MB / 0.5762 GB Notification: Performance of sorting global known variables: time 0.0007397/1.408, allocations: 493.2 kB / 0.7857 GB, free: 17.84 MB / 0.5762 GB Notification: Performance of sort global known variables: time 1.91e-07/1.408, allocations: 4 kB / 0.7857 GB, free: 17.84 MB / 0.5762 GB Notification: Performance of remove unused functions: time 0.00149/1.41, allocations: 444 kB / 0.7861 GB, free: 17.79 MB / 0.5762 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,weaDat.conTim1.tStart,weaDat.conTim.tStart) * Number of discrete states: 2 (weaDat.conTim.tStart,weaDat.conTim1.tStart) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (131): * Single equations (assignments): 128 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 1 {1 2} Notification: Performance of Backend phase and start with SimCode phase: time 0.001658/1.411, allocations: 0.6313 MB / 0.7867 GB, free: 17.61 MB / 0.5762 GB Notification: Performance of simCode: created initialization part: time 0.006929/1.418, allocations: 2.623 MB / 0.7893 GB, free: 17.44 MB / 0.5762 GB Notification: Performance of simCode: created event and clocks part: time 7.554e-06/1.418, allocations: 4 kB / 0.7893 GB, free: 17.43 MB / 0.5762 GB Notification: Performance of simCode: created simulation system equations: time 0.003616/1.422, allocations: 1.45 MB / 0.7907 GB, free: 17.29 MB / 0.5762 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001508/1.423, allocations: 242.9 kB / 0.7909 GB, free: 17.27 MB / 0.5762 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007435/1.431, allocations: 3.531 MB / 0.7944 GB, free: 16.02 MB / 0.5762 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006084/1.431, allocations: 1.128 MB / 0.7955 GB, free: 15.3 MB / 0.5762 GB Notification: Performance of simCode: alias equations: time 0.001963/1.433, allocations: 461.8 kB / 0.7959 GB, free: 15.17 MB / 0.5762 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000582/1.434, allocations: 151.1 kB / 0.7961 GB, free: 15.16 MB / 0.5762 GB Notification: Performance of SimCode: time 1.333e-06/1.434, allocations: 0 / 0.7961 GB, free: 15.16 MB / 0.5762 GB Notification: Performance of Templates: time 0.03139/1.465, allocations: 18.9 MB / 0.8145 GB, free: 3.812 MB / 0.5762 GB make -j1 -f Buildings_3.0.0_Buildings.HeatTransfer.Windows.Examples.SideFins.makefile Environment - environmentSimulation: (rm -f Buildings_3.0.0_Buildings.HeatTransfer.Windows.Examples.SideFins.pipe ; mkfifo Buildings_3.0.0_Buildings.HeatTransfer.Windows.Examples.SideFins.pipe ; head -c 1048576 < Buildings_3.0.0_Buildings.HeatTransfer.Windows.Examples.SideFins.pipe >> ../files/Buildings_3.0.0_Buildings.HeatTransfer.Windows.Examples.SideFins.sim & ./Buildings_3.0.0_Buildings.HeatTransfer.Windows.Examples.SideFins -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_3.0.0_Buildings.HeatTransfer.Windows.Examples.SideFins.pipe 2>&1) Environment - environmentSimulation: