Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ThreeYears_usingTwoYearDataNegativeStart.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.ThreeYears_usingTwoYearDataNegativeStart,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ThreeYears_usingTwoYearDataNegativeStart") translateModel(Buildings.BoundaryConditions.WeatherData.Validation.ThreeYears_usingTwoYearDataNegativeStart,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ThreeYears_usingTwoYearDataNegativeStart") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0007972/0.0007972, allocations: 87.03 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 0.0007789/0.000779, 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 1.424/1.424, allocations: 205.4 MB / 222.1 MB, free: 5.656 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 1.595/1.595, allocations: 292.7 MB / 0.5499 GB, free: 14.57 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 0.0004788/0.0004788, allocations: 15.19 kB / 0.6737 GB, free: 26.1 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.231/0.2315, allocations: 116.3 MB / 0.7873 GB, free: 11.93 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.BoundaryConditions.WeatherData.Validation.ThreeYears_usingTwoYearDataNegativeStart): time 0.004788/0.2363, allocations: 3.455 MB / 0.7906 GB, free: 8.457 MB / 0.6075 GB Notification: Performance of NFInst.instExpressions: time 0.6261/0.8625, allocations: 136.4 MB / 0.9238 GB, free: 5.906 MB / 0.7169 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0006089/0.8631, allocations: 13.84 kB / 0.9239 GB, free: 5.906 MB / 0.7169 GB Notification: Performance of NFTyping.typeComponents: time 0.0004889/0.8636, allocations: 128.2 kB / 0.924 GB, free: 5.902 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 0.001219/0.8649, allocations: 333.2 kB / 0.9243 GB, free: 5.879 MB / 0.7169 GB Notification: Performance of NFTyping.typeClassSections: time 0.001635/0.8665, allocations: 0.5293 MB / 0.9248 GB, free: 5.855 MB / 0.7169 GB Notification: Performance of NFFlatten.flatten: time 0.001018/0.8675, allocations: 0.9073 MB / 0.9257 GB, free: 5.848 MB / 0.7169 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0005356/0.8681, allocations: 350.5 kB / 0.926 GB, free: 5.797 MB / 0.7169 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0003597/0.8684, allocations: 239.1 kB / 0.9263 GB, free: 5.797 MB / 0.7169 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0004479/0.8689, allocations: 267.2 kB / 0.9265 GB, free: 5.762 MB / 0.7169 GB Notification: Performance of NFPackage.collectConstants: time 6.227e-05/0.869, allocations: 16.84 kB / 0.9265 GB, free: 5.762 MB / 0.7169 GB Notification: Performance of NFFlatten.collectFunctions: time 0.000681/0.8696, allocations: 202.8 kB / 0.9267 GB, free: 5.746 MB / 0.7169 GB Notification: Performance of NFScalarize.scalarize: time 0.0001987/0.8699, allocations: 145.1 kB / 0.9269 GB, free: 5.715 MB / 0.7169 GB Notification: Performance of NFVerifyModel.verify: time 0.0001632/0.87, allocations: 156.2 kB / 0.927 GB, free: 5.656 MB / 0.7169 GB Notification: Performance of NFConvertDAE.convert: time 0.001304/0.8713, allocations: 0.865 MB / 0.9279 GB, free: 5.586 MB / 0.7169 GB Notification: Performance of FrontEnd - DAE generated: time 7.384e-06/0.8714, allocations: 4 kB / 0.9279 GB, free: 5.582 MB / 0.7169 GB Notification: Performance of FrontEnd: time 1.473e-06/0.8714, allocations: 0 / 0.9279 GB, free: 5.582 MB / 0.7169 GB Notification: Performance of Transformations before backend: time 1.129e-05/0.8714, allocations: 0 / 0.9279 GB, free: 5.582 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: 154 * Number of variables: 154 Notification: Performance of Generate backend data structure: time 0.002345/0.8737, allocations: 0.9902 MB / 0.9288 GB, free: 20.92 MB / 0.7325 GB Notification: Performance of prepare preOptimizeDAE: time 5.094e-05/0.8738, allocations: 7.875 kB / 0.9288 GB, free: 20.92 MB / 0.7325 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003072/0.8741, allocations: 102.3 kB / 0.9289 GB, free: 20.87 MB / 0.7325 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008783/0.875, allocations: 0.6242 MB / 0.9295 GB, free: 20.59 MB / 0.7325 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.881e-05/0.875, allocations: 44.31 kB / 0.9296 GB, free: 20.59 MB / 0.7325 GB Notification: Performance of preOpt expandDerOperator (simulation): time 6.59e-05/0.8751, allocations: 57.78 kB / 0.9296 GB, free: 20.59 MB / 0.7325 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001082/0.8762, allocations: 0.6953 MB / 0.9303 GB, free: 20.4 MB / 0.7325 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.631e-05/0.8762, allocations: 0 / 0.9303 GB, free: 20.4 MB / 0.7325 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.966e-05/0.8763, allocations: 37.55 kB / 0.9304 GB, free: 20.4 MB / 0.7325 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.774e-05/0.8763, allocations: 14.22 kB / 0.9304 GB, free: 20.4 MB / 0.7325 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001282/0.8776, allocations: 0.9137 MB / 0.9313 GB, free: 20.38 MB / 0.7325 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002816/0.8804, allocations: 2.342 MB / 0.9336 GB, free: 19.3 MB / 0.7325 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0007758/0.8812, allocations: 0.5831 MB / 0.9341 GB, free: 19.24 MB / 0.7325 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002934/0.8815, allocations: 227.7 kB / 0.9343 GB, free: 19.22 MB / 0.7325 GB Notification: Performance of preOpt evalFunc (simulation): time 6.796e-05/0.8816, allocations: 24.27 kB / 0.9344 GB, free: 19.22 MB / 0.7325 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.00056/0.8822, allocations: 352 kB / 0.9347 GB, free: 19.14 MB / 0.7325 GB Notification: Performance of pre-optimization done (n=61): time 2.565e-06/0.8822, allocations: 0 / 0.9347 GB, free: 19.14 MB / 0.7325 GB Notification: Performance of matching and sorting (n=61): time 0.001165/0.8834, allocations: 0.7 MB / 0.9354 GB, free: 19.05 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001242/0.8835, allocations: 240.1 kB / 0.9356 GB, free: 18.77 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008671/0.8844, allocations: 0.5761 MB / 0.9362 GB, free: 18.64 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 5.665e-05/0.8844, allocations: 41.95 kB / 0.9362 GB, free: 18.61 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002523/0.8847, allocations: 325.1 kB / 0.9365 GB, free: 18.46 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001399/0.8848, allocations: 200.1 kB / 0.9367 GB, free: 18.33 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 2.861e-05/0.8849, allocations: 16.41 kB / 0.9367 GB, free: 18.33 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 0.0001733/0.8851, allocations: 372.2 kB / 0.9371 GB, free: 18.02 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003393/0.8854, allocations: 188.5 kB / 0.9373 GB, free: 18.02 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000421/0.8858, allocations: 289.2 kB / 0.9375 GB, free: 17.95 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003913/0.8862, allocations: 227.6 kB / 0.9378 GB, free: 17.93 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.168e-06/0.8862, allocations: 0.7812 kB / 0.9378 GB, free: 17.93 MB / 0.7325 GB Notification: Performance of matching and sorting (n=76) (initialization): time 0.001044/0.8873, allocations: 0.595 MB / 0.9383 GB, free: 17.85 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 2.554e-05/0.8873, allocations: 5.656 kB / 0.9383 GB, free: 17.85 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.17e-05/0.8873, allocations: 4.922 kB / 0.9384 GB, free: 17.85 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.204e-05/0.8874, allocations: 11.55 kB / 0.9384 GB, free: 17.84 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005095/0.8879, allocations: 127.4 kB / 0.9385 GB, free: 17.84 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.196e-05/0.8879, allocations: 11.41 kB / 0.9385 GB, free: 17.83 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004752/0.8884, allocations: 78.03 kB / 0.9386 GB, free: 17.8 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.686e-05/0.8885, allocations: 33.69 kB / 0.9386 GB, free: 17.8 MB / 0.7325 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 6 * Number of states: 0 () * Number of discrete variables: 8 ($whenCondition2,$whenCondition1,$PRE.weaDat.conTimMin.tNext,weaDat.conTimMin.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTim.tNext,weaDat.conTimMin.canRepeatWeatherFile,weaDat.conTim.canRepeatWeatherFile) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (76): * Single equations (assignments): 76 * 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: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0003724/0.8888, allocations: 243.3 kB / 0.9388 GB, free: 17.68 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001099/0.8889, allocations: 73.72 kB / 0.9389 GB, free: 17.64 MB / 0.7325 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001383/0.8903, allocations: 0.7471 MB / 0.9396 GB, free: 17.54 MB / 0.7325 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.441e-05/0.8904, allocations: 15.38 kB / 0.9396 GB, free: 17.53 MB / 0.7325 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.22e-06/0.8904, allocations: 0.6875 kB / 0.9396 GB, free: 17.53 MB / 0.7325 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.385e-06/0.8904, allocations: 3.938 kB / 0.9397 GB, free: 17.53 MB / 0.7325 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001135/0.8915, allocations: 0.8866 MB / 0.9405 GB, free: 17.2 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.969e-06/0.8915, allocations: 0.5 kB / 0.9405 GB, free: 17.2 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004663/0.892, allocations: 115 kB / 0.9406 GB, free: 17.2 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.038e-05/0.892, allocations: 10.92 kB / 0.9406 GB, free: 17.19 MB / 0.7325 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.086e-05/0.8921, allocations: 20.11 kB / 0.9407 GB, free: 17.19 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 7.354e-06/0.8921, allocations: 6.781 kB / 0.9407 GB, free: 17.18 MB / 0.7325 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.493e-06/0.8921, allocations: 0.5312 kB / 0.9407 GB, free: 17.18 MB / 0.7325 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001093/0.8932, allocations: 0.6308 MB / 0.9413 GB, free: 17.06 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002831/0.8935, allocations: 251.2 kB / 0.9415 GB, free: 16.91 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.232e-05/0.8936, allocations: 19.42 kB / 0.9415 GB, free: 16.91 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003991/0.894, allocations: 58.17 kB / 0.9416 GB, free: 16.91 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001211/0.8941, allocations: 50.14 kB / 0.9416 GB, free: 16.9 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.704e-05/0.8942, allocations: 27.45 kB / 0.9417 GB, free: 16.9 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.000621/0.8948, allocations: 412 kB / 0.9421 GB, free: 16.81 MB / 0.7325 GB Notification: Performance of sort global known variables: time 1.41e-07/0.8948, allocations: 0 / 0.9421 GB, free: 16.81 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.0009446/0.8958, allocations: 227.3 kB / 0.9423 GB, free: 16.77 MB / 0.7325 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 2 * Number of states: 0 () * Number of discrete variables: 4 ($whenCondition2,$whenCondition1,weaDat.conTimMin.tNext,weaDat.conTim.tNext) * Number of discrete states: 2 (weaDat.conTimMin.tNext,weaDat.conTim.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (72): * Single equations (assignments): 70 * 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: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.001314/0.8971, allocations: 0.5499 MB / 0.9428 GB, free: 16.56 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.0009926/0.8981, allocations: 0.4961 MB / 0.9433 GB, free: 16.53 MB / 0.7325 GB Notification: Performance of simCode: created event and clocks part: time 4.429e-06/0.8981, allocations: 1.281 kB / 0.9433 GB, free: 16.53 MB / 0.7325 GB Notification: Performance of simCode: created simulation system equations: time 0.0004181/0.8986, allocations: 277.2 kB / 0.9436 GB, free: 16.51 MB / 0.7325 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0009723/0.8995, allocations: 230.5 kB / 0.9438 GB, free: 16.49 MB / 0.7325 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002428/0.902, allocations: 1.579 MB / 0.9453 GB, free: 15.71 MB / 0.7325 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006697/0.9027, allocations: 0.9536 MB / 0.9463 GB, free: 15 MB / 0.7325 GB Notification: Performance of simCode: alias equations: time 0.000814/0.9035, allocations: 238.8 kB / 0.9465 GB, free: 14.93 MB / 0.7325 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002033/0.9037, allocations: 88.84 kB / 0.9466 GB, free: 14.93 MB / 0.7325 GB Notification: Performance of SimCode: time 5e-07/0.9037, allocations: 4 kB / 0.9466 GB, free: 14.92 MB / 0.7325 GB Notification: Performance of Templates: time 0.02047/0.9242, allocations: 10.19 MB / 0.9565 GB, free: 12.89 MB / 0.7325 GB make -j1 -f Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ThreeYears_usingTwoYearDataNegativeStart.makefile Environment - environmentSimulation: (rm -f Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ThreeYears_usingTwoYearDataNegativeStart.pipe ; mkfifo Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ThreeYears_usingTwoYearDataNegativeStart.pipe ; head -c 1048576 < Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ThreeYears_usingTwoYearDataNegativeStart.pipe >> ../files/Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ThreeYears_usingTwoYearDataNegativeStart.sim & ./Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ThreeYears_usingTwoYearDataNegativeStart -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ThreeYears_usingTwoYearDataNegativeStart.pipe 2>&1) Environment - environmentSimulation: