Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Comax_Analytical_20160808.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/PhotoVoltaics 2.0.0/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 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/PhotoVoltaics_TGM 2.0.0/package.mo", uses=false) Using package PhotoVoltaics_TGM with version 2.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/PhotoVoltaics_TGM 2.0.0/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+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 PhotoVoltaics with version 2.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/PhotoVoltaics 2.0.0/package.mo) Running command: translateModel(PhotoVoltaics_TGM.TGM_Comax_Analytical_20160808,tolerance=1e-08,outputFormat="empty",numberOfIntervals=2880,variableFilter="",fileNamePrefix="PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Comax_Analytical_20160808") translateModel(PhotoVoltaics_TGM.TGM_Comax_Analytical_20160808,tolerance=1e-08,outputFormat="empty",numberOfIntervals=2880,variableFilter="",fileNamePrefix="PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Comax_Analytical_20160808") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/PhotoVoltaics 2.0.0/package.mo): time 0.03808/0.03808, allocations: 5.38 MB / 20.36 MB, free: 1.832 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0009491/0.0009492, allocations: 106.1 kB / 22.34 MB, free: 0.6016 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001391/0.001391, allocations: 182.2 kB / 24.42 MB, free: 1.969 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.339/1.339, allocations: 223.3 MB / 249.6 MB, free: 13.8 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/PhotoVoltaics_TGM 2.0.0/package.mo): time 0.008403/0.008403, allocations: 2.308 MB / 304.2 MB, free: 3.898 MB / 238.1 MB Warning: Ignoring unknown experiment annotation option: __Dymola_Algorithm = "Rkfix4" Notification: Performance of FrontEnd - loaded program: time 0.0004765/0.0004767, allocations: 12 kB / 368.2 MB, free: 10.59 MB / 302.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1094/0.1099, allocations: 52.2 MB / 420.4 MB, free: 6.336 MB / 350.1 MB Notification: Performance of NFInst.instantiate(PhotoVoltaics_TGM.TGM_Comax_Analytical_20160808): time 0.007897/0.1179, allocations: 5.888 MB / 426.3 MB, free: 432 kB / 350.1 MB Notification: Performance of NFInst.instExpressions: time 0.2186/0.3365, allocations: 2.869 MB / 429.2 MB, free: 35.5 MB / 350.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0008222/0.3374, allocations: 19.31 kB / 429.2 MB, free: 35.5 MB / 350.1 MB Notification: Performance of NFTyping.typeComponents: time 0.001035/0.3384, allocations: 367.1 kB / 429.6 MB, free: 35.39 MB / 350.1 MB Notification: Performance of NFTyping.typeBindings: time 0.001764/0.3402, allocations: 0.6689 MB / 430.2 MB, free: 35.23 MB / 350.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.001138/0.3413, allocations: 411.4 kB / 430.7 MB, free: 35.2 MB / 350.1 MB Notification: Performance of NFFlatten.flatten: time 0.001242/0.3426, allocations: 1.212 MB / 431.9 MB, free: 34.93 MB / 350.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.001876/0.3445, allocations: 1.237 MB / 433.1 MB, free: 34.68 MB / 350.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0005653/0.3451, allocations: 446.7 kB / 433.5 MB, free: 34.58 MB / 350.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.000694/0.3458, allocations: 0.5895 MB / 434.1 MB, free: 34.46 MB / 350.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0001067/0.3459, allocations: 57.5 kB / 434.2 MB, free: 34.46 MB / 350.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0007799/0.3467, allocations: 329 kB / 434.5 MB, free: 34.44 MB / 350.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0001568/0.3468, allocations: 197.2 kB / 434.7 MB, free: 34.4 MB / 350.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0002347/0.3471, allocations: 232.1 kB / 434.9 MB, free: 34.33 MB / 350.1 MB Notification: Performance of NFConvertDAE.convert: time 0.001226/0.3483, allocations: 1.285 MB / 436.2 MB, free: 34.23 MB / 350.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.7e-06/0.3483, allocations: 0 / 436.2 MB, free: 34.23 MB / 350.1 MB Notification: Performance of FrontEnd: time 1.613e-06/0.3483, allocations: 0 / 436.2 MB, free: 34.23 MB / 350.1 MB Notification: Performance of Transformations before backend: time 2.073e-05/0.3484, allocations: 4.344 kB / 436.2 MB, free: 34.23 MB / 350.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 270 * Number of variables: 270 Notification: Performance of Generate backend data structure: time 0.003276/0.3516, allocations: 1.557 MB / 437.8 MB, free: 33.4 MB / 350.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.677e-05/0.3517, allocations: 9.656 kB / 437.8 MB, free: 33.4 MB / 350.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001877/0.3536, allocations: 371 kB / 438.1 MB, free: 33.34 MB / 350.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001462/0.355, allocations: 0.7417 MB / 438.9 MB, free: 33.01 MB / 350.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.613e-05/0.3551, allocations: 79.91 kB / 439 MB, free: 33.01 MB / 350.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001616/0.3553, allocations: 116 kB / 439.1 MB, free: 33 MB / 350.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001866/0.3572, allocations: 1.169 MB / 440.2 MB, free: 32.84 MB / 350.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 3.023e-05/0.3572, allocations: 3.125 kB / 440.2 MB, free: 32.84 MB / 350.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000113/0.3574, allocations: 42.06 kB / 440.3 MB, free: 32.84 MB / 350.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.962e-05/0.3574, allocations: 26.98 kB / 440.3 MB, free: 32.84 MB / 350.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001836/0.3592, allocations: 1.043 MB / 441.4 MB, free: 32.82 MB / 350.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0051/0.3643, allocations: 4.405 MB / 445.8 MB, free: 31.01 MB / 350.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.002347/0.3667, allocations: 1.777 MB / 447.5 MB, free: 29.91 MB / 350.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006519/0.3674, allocations: 362 kB / 447.9 MB, free: 29.89 MB / 350.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0001271/0.3675, allocations: 170.3 kB / 448.1 MB, free: 29.7 MB / 350.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0008716/0.3684, allocations: 0.561 MB / 448.6 MB, free: 29.49 MB / 350.1 MB Notification: Performance of pre-optimization done (n=79): time 2.084e-06/0.3684, allocations: 4 kB / 448.6 MB, free: 29.49 MB / 350.1 MB Notification: Performance of matching and sorting (n=79): time 0.005243/0.3737, allocations: 1.742 MB / 450.4 MB, free: 28.99 MB / 350.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 8.607e-05/0.3738, allocations: 281.7 kB / 450.6 MB, free: 28.68 MB / 350.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006697/0.3745, allocations: 0.5561 MB / 451.2 MB, free: 28.41 MB / 350.1 MB Notification: Performance of collectPreVariables (initialization): time 5.675e-05/0.3745, allocations: 41.02 kB / 451.2 MB, free: 28.36 MB / 350.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0003171/0.3749, allocations: 0.4887 MB / 451.7 MB, free: 27.98 MB / 350.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001728/0.375, allocations: 252.7 kB / 452 MB, free: 27.79 MB / 350.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 5.464e-05/0.3751, allocations: 19.03 kB / 452 MB, free: 27.77 MB / 350.1 MB Notification: Performance of setup shared object (initialization): time 0.0001049/0.3752, allocations: 383 kB / 452.4 MB, free: 27.43 MB / 350.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006573/0.3759, allocations: 329.3 kB / 452.7 MB, free: 27.32 MB / 350.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007401/0.3766, allocations: 0.562 MB / 453.2 MB, free: 26.92 MB / 350.1 MB Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: $PRE.irradiance.dayOfYear = PhotoVoltaics.Functions.dayOfTheYear(irradiance.startDay, irradiance.startMonth, irradiance.startYear) (/*Real*/(PhotoVoltaics.Functions.dayOfTheYear(irradiance.startDay, irradiance.startMonth, irradiance.startYear)) = PhotoVoltaics.Functions.dayOfTheYear(irradiance.startDay, irradiance.startMonth, irradiance.startYear)) Notification: Performance of analyzeInitialSystem (initialization): time 0.01413/0.3908, allocations: 2.811 MB / 456.1 MB, free: 26.25 MB / 350.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.116e-05/0.3908, allocations: 3.156 kB / 456.1 MB, free: 26.25 MB / 350.1 MB Notification: Performance of matching and sorting (n=133) (initialization): time 0.002324/0.3931, allocations: 1.212 MB / 457.3 MB, free: 25.71 MB / 350.1 MB Notification: Performance of prepare postOptimizeDAE: time 5.076e-05/0.3932, allocations: 89.77 kB / 457.4 MB, free: 25.62 MB / 350.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.373e-05/0.3932, allocations: 6.281 kB / 457.4 MB, free: 25.62 MB / 350.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0003962/0.3936, allocations: 85.64 kB / 457.4 MB, free: 25.61 MB / 350.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009556/0.3946, allocations: 266.2 kB / 457.7 MB, free: 25.58 MB / 350.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001109/0.3957, allocations: 1.465 MB / 459.2 MB, free: 24.17 MB / 350.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000858/0.3966, allocations: 124.3 kB / 459.3 MB, free: 24.1 MB / 350.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.383e-05/0.3967, allocations: 51.3 kB / 459.3 MB, free: 24.09 MB / 350.1 MB Warning: The initial conditions are over specified. The following 1 initial equations are redundant, so they are removed from the initialization sytem: $PRE.irradiance.dayOfYear = PhotoVoltaics.Functions.dayOfTheYear(irradiance.startDay, irradiance.startMonth, irradiance.startYear). Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 32 * Number of states: 0 () * Number of discrete variables: 27 ($PRE.writeCSV.firstTrigger,writeCSV.firstTrigger,$PRE.irradiance.year,irradiance.year,$PRE.mpTracker.signv,mpTracker.signv,$PRE.mpTracker.firstTrigger,mpTracker.firstTrigger,$PRE.mpTracker.counter,mpTracker.counter,$whenCondition4,writeCSV.sampleTrigger,$whenCondition1,mpTracker.sampleTrigger,$whenCondition2,$whenCondition3,$PRE.mpTracker.vRef,mpTracker.vRef,$PRE.irradiance.startDayOfYear,irradiance.startDayOfYear,$PRE.irradiance.dayOfYear,irradiance.dayOfYear,$PRE.irradiance.daysOfYear,irradiance.daysOfYear,irradiance.localDays,integrator.local_reset,converter.integrator.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (129): * Single equations (assignments): 125 * Array equations: 0 * Algorithm blocks: 3 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 1 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 0 * Non-linear Jacobian: 1 {2} * Without analytic Jacobian: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0005319/0.3972, allocations: 375.5 kB / 459.7 MB, free: 23.78 MB / 350.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001174/0.3973, allocations: 78.73 kB / 459.8 MB, free: 23.74 MB / 350.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002193/0.3995, allocations: 1.268 MB / 461.1 MB, free: 23.19 MB / 350.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.665e-06/0.3996, allocations: 9.562 kB / 461.1 MB, free: 23.19 MB / 350.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.787e-06/0.3996, allocations: 0.9375 kB / 461.1 MB, free: 23.19 MB / 350.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.006e-05/0.3996, allocations: 3.234 kB / 461.1 MB, free: 23.19 MB / 350.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005436/0.405, allocations: 2.587 MB / 463.7 MB, free: 22.07 MB / 350.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.54e-06/0.405, allocations: 0 / 463.7 MB, free: 22.07 MB / 350.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005117/0.4056, allocations: 135.1 kB / 463.8 MB, free: 22.05 MB / 350.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.000662/0.4062, allocations: 346 kB / 464.1 MB, free: 21.94 MB / 350.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.828e-05/0.4063, allocations: 30.19 kB / 464.2 MB, free: 21.93 MB / 350.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001032/0.4074, allocations: 0.8961 MB / 465.1 MB, free: 21.26 MB / 350.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.935e-06/0.4074, allocations: 3.094 kB / 465.1 MB, free: 21.26 MB / 350.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004951/0.4123, allocations: 1.958 MB / 467 MB, free: 20.44 MB / 350.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0004192/0.4128, allocations: 239.9 kB / 467.2 MB, free: 20.26 MB / 350.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000136/0.4129, allocations: 28.78 kB / 467.3 MB, free: 20.24 MB / 350.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005831/0.4135, allocations: 64.12 kB / 467.3 MB, free: 20.22 MB / 350.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001321/0.4136, allocations: 56.38 kB / 467.4 MB, free: 20.21 MB / 350.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.347e-05/0.4137, allocations: 40.81 kB / 467.4 MB, free: 20.2 MB / 350.1 MB Notification: Performance of sorting global known variables: time 0.0004365/0.4142, allocations: 388.2 kB / 467.8 MB, free: 20.02 MB / 350.1 MB Notification: Performance of sort global known variables: time 1.3e-07/0.4142, allocations: 4 kB / 467.8 MB, free: 20.02 MB / 350.1 MB Notification: Performance of remove unused functions: time 0.00102/0.4152, allocations: 345.8 kB / 468.2 MB, free: 19.93 MB / 350.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 3 (converter.integrator.y,integrator.y,voltageSource.pin_p.reference.gamma) * Number of discrete variables: 16 ($whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,mpTracker.firstTrigger,mpTracker.sampleTrigger,mpTracker.counter,mpTracker.signv,mpTracker.vRef,irradiance.startDayOfYear,irradiance.dayOfYear,irradiance.daysOfYear,irradiance.year,irradiance.localDays,writeCSV.sampleTrigger,writeCSV.firstTrigger) * Number of discrete states: 16 (irradiance.daysOfYear,irradiance.year,irradiance.startDayOfYear,$whenCondition3,irradiance.dayOfYear,$whenCondition2,mpTracker.signv,mpTracker.vRef,mpTracker.firstTrigger,mpTracker.counter,$whenCondition1,mpTracker.sampleTrigger,mpTracker.power,writeCSV.firstTrigger,$whenCondition4,writeCSV.sampleTrigger) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (80): * Single equations (assignments): 77 * Array equations: 0 * Algorithm blocks: 2 * 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 4} Notification: Performance of Backend phase and start with SimCode phase: time 0.000712/0.4159, allocations: 351.3 kB / 468.5 MB, free: 19.8 MB / 350.1 MB Notification: Performance of simCode: created initialization part: time 0.0021/0.418, allocations: 1.154 MB / 469.7 MB, free: 19.21 MB / 350.1 MB Notification: Performance of simCode: created event and clocks part: time 3.036e-06/0.418, allocations: 4.875 kB / 469.7 MB, free: 19.21 MB / 350.1 MB Notification: Performance of simCode: created simulation system equations: time 0.001047/0.4191, allocations: 0.6591 MB / 470.3 MB, free: 18.84 MB / 350.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0008314/0.4199, allocations: 136 kB / 470.4 MB, free: 18.79 MB / 350.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003471/0.4234, allocations: 2.23 MB / 472.7 MB, free: 17.45 MB / 350.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004368/0.4239, allocations: 1.019 MB / 473.7 MB, free: 16.73 MB / 350.1 MB Notification: Performance of simCode: alias equations: time 0.0005573/0.4244, allocations: 123 kB / 473.8 MB, free: 16.69 MB / 350.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002312/0.4247, allocations: 85.45 kB / 473.9 MB, free: 16.67 MB / 350.1 MB Notification: Performance of SimCode: time 3.91e-07/0.4247, allocations: 1.344 kB / 473.9 MB, free: 16.67 MB / 350.1 MB Notification: Performance of Templates: time 0.02113/0.4458, allocations: 11.68 MB / 485.6 MB, free: 14.21 MB / 350.1 MB make -j1 -f PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Comax_Analytical_20160808.makefile Environment - environmentSimulation: (rm -f PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Comax_Analytical_20160808.pipe ; mkfifo PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Comax_Analytical_20160808.pipe ; head -c 1048576 < PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Comax_Analytical_20160808.pipe >> ../files/PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Comax_Analytical_20160808.sim & ./PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Comax_Analytical_20160808 -abortSlowSimulation -alarm=480 -lv LOG_STATS > PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Comax_Analytical_20160808.pipe 2>&1) Environment - environmentSimulation: