Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr MagLev_MagLev.Examples.Continuous.VoltageFed.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 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/MagLev 2.1.0-main/package.mo", uses=false) Using package MagLev with version 2.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/MagLev 2.1.0-main/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) Running command: "" <> buildModelFMU(MagLev.Examples.Continuous.VoltageFed,fileNamePrefix="MagLev_MagLev_Examples_Continuous_VoltageFed",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(MagLev.Examples.Continuous.VoltageFed,fileNamePrefix="MagLev_MagLev_Examples_Continuous_VoltageFed",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001038/0.001037, allocations: 92.16 kB / 15.06 MB, free: 1.098 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00114/0.00114, allocations: 172.7 kB / 15.95 MB, free: 208 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.474/1.474, allocations: 223.2 MB / 240 MB, free: 5.238 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/MagLev 2.1.0-main/package.mo): time 0.155/0.155, allocations: 3.917 MB / 295 MB, free: 4.258 MB / 238.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0003481/0.0003482, allocations: 7.984 kB / 356.9 MB, free: 3.168 MB / 286.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1054/0.1058, allocations: 51.37 MB / 408.3 MB, free: 15.75 MB / 350.1 MB Notification: Performance of NFInst.instantiate(MagLev.Examples.Continuous.VoltageFed): time 0.006131/0.1119, allocations: 5.045 MB / 413.4 MB, free: 10.69 MB / 350.1 MB Notification: Performance of NFInst.instExpressions: time 0.004207/0.1162, allocations: 2.069 MB / 415.4 MB, free: 8.613 MB / 350.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0009534/0.1172, allocations: 16 kB / 415.4 MB, free: 8.598 MB / 350.1 MB Notification: Performance of NFTyping.typeComponents: time 0.00117/0.1183, allocations: 246.4 kB / 415.7 MB, free: 8.355 MB / 350.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0008469/0.1192, allocations: 226.3 kB / 415.9 MB, free: 8.133 MB / 350.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/Math/Random.mo:1057:5-1146:31:writable] Warning: Pure function ‘Modelica.Math.Random.Utilities.initializeImpureRandom‘ contains a call to impure function ‘Modelica.Math.Random.Utilities.initializeImpureRandom.setInternalState‘. Notification: Performance of NFTyping.typeClassSections: time 0.0009058/0.1201, allocations: 279.6 kB / 416.2 MB, free: 7.859 MB / 350.1 MB Notification: Performance of NFFlatten.flatten: time 0.001554/0.1217, allocations: 1.137 MB / 417.3 MB, free: 6.715 MB / 350.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0008793/0.1226, allocations: 485.5 kB / 417.8 MB, free: 6.223 MB / 350.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.000476/0.1231, allocations: 354.3 kB / 418.1 MB, free: 5.875 MB / 350.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0005674/0.1236, allocations: 429.8 kB / 418.6 MB, free: 5.453 MB / 350.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0001113/0.1238, allocations: 56 kB / 418.6 MB, free: 5.398 MB / 350.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0003199/0.1241, allocations: 147.9 kB / 418.8 MB, free: 5.254 MB / 350.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0001541/0.1243, allocations: 175.1 kB / 418.9 MB, free: 5.082 MB / 350.1 MB Notification: Performance of NFVerifyModel.verify: time 0.000352/0.1246, allocations: 225.1 kB / 419.1 MB, free: 4.855 MB / 350.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0009636/0.1256, allocations: 1.192 MB / 420.3 MB, free: 3.66 MB / 350.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.791e-06/0.1256, allocations: 0 / 420.3 MB, free: 3.66 MB / 350.1 MB Notification: Performance of FrontEnd: time 1.433e-06/0.1256, allocations: 0 / 420.3 MB, free: 3.66 MB / 350.1 MB Notification: Performance of Transformations before backend: time 1.54e-05/0.1256, allocations: 0 / 420.3 MB, free: 3.66 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: 222 * Number of variables: 222 Notification: Performance of Generate backend data structure: time 0.002229/0.1279, allocations: 1.258 MB / 421.6 MB, free: 2.348 MB / 350.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.07e-05/0.1279, allocations: 8.031 kB / 421.6 MB, free: 2.34 MB / 350.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001626/0.1281, allocations: 139.5 kB / 421.7 MB, free: 2.195 MB / 350.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003202/0.1284, allocations: 134.6 kB / 421.9 MB, free: 2.062 MB / 350.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0009584/0.1294, allocations: 0.6434 MB / 422.5 MB, free: 1.379 MB / 350.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.537e-05/0.1294, allocations: 66 kB / 422.6 MB, free: 1.312 MB / 350.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001255/0.1296, allocations: 99.89 kB / 422.7 MB, free: 1.215 MB / 350.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001533/0.1311, allocations: 0.8571 MB / 423.5 MB, free: 352 kB / 350.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.135e-05/0.1311, allocations: 0 / 423.5 MB, free: 352 kB / 350.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.827e-05/0.1312, allocations: 36 kB / 423.6 MB, free: 316 kB / 350.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.809e-05/0.1312, allocations: 20 kB / 423.6 MB, free: 296 kB / 350.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.1923/0.3236, allocations: 0.5708 MB / 424.2 MB, free: 45.61 MB / 350.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.005684/0.3293, allocations: 3.361 MB / 427.5 MB, free: 44.66 MB / 350.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0006237/0.33, allocations: 0.4891 MB / 428 MB, free: 44.45 MB / 350.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002509/0.3302, allocations: 165.2 kB / 428.2 MB, free: 44.43 MB / 350.1 MB Notification: Performance of preOpt evalFunc (simulation): time 3.423e-05/0.3303, allocations: 6.328 kB / 428.2 MB, free: 44.43 MB / 350.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0006358/0.3309, allocations: 259.6 kB / 428.4 MB, free: 44.36 MB / 350.1 MB Notification: Performance of pre-optimization done (n=37): time 2.114e-06/0.3309, allocations: 0 / 428.4 MB, free: 44.36 MB / 350.1 MB Notification: Performance of matching and sorting (n=37): time 0.001008/0.3319, allocations: 0.537 MB / 429 MB, free: 44.28 MB / 350.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 6.446e-05/0.332, allocations: 119 kB / 429.1 MB, free: 44.15 MB / 350.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008082/0.3328, allocations: 0.772 MB / 429.9 MB, free: 44.02 MB / 350.1 MB Notification: Performance of collectPreVariables (initialization): time 3.972e-05/0.3329, allocations: 42.86 kB / 429.9 MB, free: 43.98 MB / 350.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0004508/0.3333, allocations: 496.5 kB / 430.4 MB, free: 43.76 MB / 350.1 MB Notification: Performance of collectInitialBindings (initialization): time 9.886e-05/0.3334, allocations: 134.7 kB / 430.5 MB, free: 43.68 MB / 350.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 2.767e-05/0.3335, allocations: 9 kB / 430.5 MB, free: 43.68 MB / 350.1 MB Notification: Performance of setup shared object (initialization): time 6.457e-05/0.3335, allocations: 333.6 kB / 430.9 MB, free: 43.38 MB / 350.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003205/0.3339, allocations: 192.4 kB / 431 MB, free: 43.38 MB / 350.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003471/0.3342, allocations: 356 kB / 431.4 MB, free: 43.19 MB / 350.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003437/0.3346, allocations: 238 kB / 431.6 MB, free: 43.09 MB / 350.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.97e-06/0.3346, allocations: 3.406 kB / 431.6 MB, free: 43.09 MB / 350.1 MB Notification: Performance of matching and sorting (n=75) (initialization): time 0.001094/0.3357, allocations: 0.6579 MB / 432.3 MB, free: 42.79 MB / 350.1 MB Notification: Performance of prepare postOptimizeDAE: time 0.0001146/0.3358, allocations: 229.3 kB / 432.5 MB, free: 42.53 MB / 350.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.216e-05/0.3358, allocations: 7.188 kB / 432.5 MB, free: 42.52 MB / 350.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 2.522e-05/0.3359, allocations: 9.5 kB / 432.5 MB, free: 42.52 MB / 350.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005321/0.3364, allocations: 138.8 kB / 432.7 MB, free: 42.51 MB / 350.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.895e-05/0.3364, allocations: 10.08 kB / 432.7 MB, free: 42.51 MB / 350.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004128/0.3369, allocations: 76.19 kB / 432.7 MB, free: 42.47 MB / 350.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.106e-05/0.3369, allocations: 28.12 kB / 432.8 MB, free: 42.46 MB / 350.1 MB Notification: Performance of prepare postOptimizeDAE: time 7.434e-06/0.3369, allocations: 7.25 kB / 432.8 MB, free: 42.46 MB / 350.1 MB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.0006911/0.3376, allocations: 0.5282 MB / 433.3 MB, free: 42.23 MB / 350.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.442e-06/0.3376, allocations: 5.438 kB / 433.3 MB, free: 42.23 MB / 350.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 8.255e-06/0.3376, allocations: 9.531 kB / 433.3 MB, free: 42.23 MB / 350.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005124/0.3382, allocations: 134.5 kB / 433.4 MB, free: 42.22 MB / 350.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.755e-06/0.3382, allocations: 6.219 kB / 433.5 MB, free: 42.22 MB / 350.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003212/0.3385, allocations: 66.05 kB / 433.5 MB, free: 42.18 MB / 350.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.245e-05/0.3386, allocations: 23.38 kB / 433.5 MB, free: 42.17 MB / 350.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 20 * Number of states: 0 () * Number of discrete variables: 18 ($whenCondition1,$PRE.coil.hallSensor.uniformNoise.state[1],coil.hallSensor.uniformNoise.state[1],$PRE.coil.hallSensor.uniformNoise.state[2],coil.hallSensor.uniformNoise.state[2],$PRE.coil.hallSensor.uniformNoise.state[3],coil.hallSensor.uniformNoise.state[3],$PRE.coil.hallSensor.uniformNoise.state[4],coil.hallSensor.uniformNoise.state[4],$PRE.coil.hallSensor.uniformNoise.r,coil.hallSensor.uniformNoise.r,$PRE.coil.hallSensor.uniformNoise.r_raw,coil.hallSensor.uniformNoise.r_raw,coil.hallSensor.globalSeed.id_impure,coil.hallSensor.uniformNoise.localSeed,coil.hallSensor.uniformNoise.actualGlobalSeed,coil.hallSensor.globalSeed.seed,converter.hBridge.integrator.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (72): * Single equations (assignments): 71 * Array equations: 1 * 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 0.0003498/0.3389, allocations: 339.5 kB / 433.9 MB, free: 41.89 MB / 350.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.127e-05/0.339, allocations: 73.12 kB / 433.9 MB, free: 41.85 MB / 350.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.000114/0.3391, allocations: 76.03 kB / 434 MB, free: 41.8 MB / 350.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.44e-06/0.3391, allocations: 7.703 kB / 434 MB, free: 41.8 MB / 350.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.655e-06/0.3391, allocations: 0 / 434 MB, free: 41.8 MB / 350.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.183e-06/0.3392, allocations: 3.188 kB / 434 MB, free: 41.8 MB / 350.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001836/0.341, allocations: 1.307 MB / 435.3 MB, free: 41.13 MB / 350.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.325e-06/0.341, allocations: 0 / 435.3 MB, free: 41.13 MB / 350.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003154/0.3413, allocations: 66.28 kB / 435.4 MB, free: 41.12 MB / 350.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 4.389e-06/0.3413, allocations: 7.047 kB / 435.4 MB, free: 41.12 MB / 350.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.745e-05/0.3414, allocations: 11.94 kB / 435.4 MB, free: 41.11 MB / 350.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.046e-06/0.3414, allocations: 3.219 kB / 435.4 MB, free: 41.11 MB / 350.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.223e-06/0.3414, allocations: 0 / 435.4 MB, free: 41.11 MB / 350.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0009638/0.3424, allocations: 0.6958 MB / 436.1 MB, free: 40.75 MB / 350.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0001246/0.3425, allocations: 162.3 kB / 436.3 MB, free: 40.6 MB / 350.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 8.982e-05/0.3426, allocations: 17.86 kB / 436.3 MB, free: 40.59 MB / 350.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003208/0.3429, allocations: 31.25 kB / 436.3 MB, free: 40.58 MB / 350.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.016e-05/0.343, allocations: 22.52 kB / 436.3 MB, free: 40.58 MB / 350.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.19e-05/0.343, allocations: 14.17 kB / 436.4 MB, free: 40.57 MB / 350.1 MB Notification: Performance of sorting global known variables: time 0.0005307/0.3436, allocations: 0.5277 MB / 436.9 MB, free: 40.34 MB / 350.1 MB Notification: Performance of sort global known variables: time 1.4e-07/0.3436, allocations: 0 / 436.9 MB, free: 40.34 MB / 350.1 MB Notification: Performance of remove unused functions: time 0.0009578/0.3445, allocations: 406 kB / 437.3 MB, free: 40.23 MB / 350.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 2 * Number of states: 11 (coil.inductor.i,converter.hBridge.integrator.y,converter.firstOrder.y,adda.hold1.y,adda.sample2.y,e2d.dt1.x,e2d.sample1.y,e2d.sample2.y,magnet.d,magnet.d_der,adda.sample1.y) * Number of discrete variables: 7 ($whenCondition1,coil.hallSensor.uniformNoise.state[1],coil.hallSensor.uniformNoise.state[2],coil.hallSensor.uniformNoise.state[3],coil.hallSensor.uniformNoise.state[4],coil.hallSensor.uniformNoise.r,coil.hallSensor.uniformNoise.r_raw) * Number of discrete states: 4 (coil.hallSensor.uniformNoise.state[1],coil.hallSensor.uniformNoise.state[2],coil.hallSensor.uniformNoise.state[3],coil.hallSensor.uniformNoise.state[4]) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (33): * Single equations (assignments): 31 * 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 0.001281/0.3459, allocations: 1.353 MB / 438.6 MB, free: 39.32 MB / 350.1 MB Notification: Performance of simCode: created initialization part: time 0.00112/0.347, allocations: 0.702 MB / 439.3 MB, free: 39.07 MB / 350.1 MB Notification: Performance of simCode: created event and clocks part: time 3.466e-06/0.347, allocations: 3.094 kB / 439.3 MB, free: 39.07 MB / 350.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0002414/0.3473, allocations: 174.5 kB / 439.5 MB, free: 39.01 MB / 350.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0007103/0.348, allocations: 133.5 kB / 439.6 MB, free: 38.96 MB / 350.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00754/0.3555, allocations: 5.225 MB / 444.9 MB, free: 36.11 MB / 350.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003977/0.356, allocations: 0.9858 MB / 445.9 MB, free: 35.39 MB / 350.1 MB Notification: Performance of simCode: alias equations: time 0.0004118/0.3565, allocations: 106.7 kB / 446 MB, free: 35.38 MB / 350.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003636/0.3568, allocations: 355.5 kB / 446.3 MB, free: 35.1 MB / 350.1 MB Notification: Performance of SimCode: time 5.21e-07/0.3568, allocations: 0 / 446.3 MB, free: 35.1 MB / 350.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.04634/0.4032, allocations: 15.08 MB / 461.4 MB, free: 34.09 MB / 350.1 MB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001775/0.4034, allocations: 201.6 kB / 461.6 MB, free: 33.86 MB / 350.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 2.131/2.534, allocations: 3.938 kB / 461.6 MB, free: 33.85 MB / 350.1 MB (rm -f MagLev_MagLev.Examples.Continuous.VoltageFed.pipe ; mkfifo MagLev_MagLev.Examples.Continuous.VoltageFed.pipe ; head -c 1048576 < MagLev_MagLev.Examples.Continuous.VoltageFed.pipe >> ../files/MagLev_MagLev.Examples.Continuous.VoltageFed.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_MagLev_MagLev_Examples_Continuous_VoltageFed_fmu --startTime=0 --stopTime=0.1 --timeout=50 --tolerance=1e-06 MagLev_MagLev_Examples_Continuous_VoltageFed.fmu > MagLev_MagLev.Examples.Continuous.VoltageFed.pipe 2>&1) Environment - environmentSimulation: