Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr HanserModelica_HanserModelica.SynchronousMachines.SMEE_LoadDump.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/Modelica 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/HanserModelica 2.0.0-master/package.mo", uses=false) Using package HanserModelica with version 2.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/HanserModelica 2.0.0-master/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 Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 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(HanserModelica.SynchronousMachines.SMEE_LoadDump,tolerance=1e-06,outputFormat="empty",numberOfIntervals=120000,variableFilter="",fileNamePrefix="HanserModelica_HanserModelica.SynchronousMachines.SMEE_LoadDump") translateModel(HanserModelica.SynchronousMachines.SMEE_LoadDump,tolerance=1e-06,outputFormat="empty",numberOfIntervals=120000,variableFilter="",fileNamePrefix="HanserModelica_HanserModelica.SynchronousMachines.SMEE_LoadDump") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00125/0.00125, allocations: 99.39 kB / 15.05 MB, free: 1.105 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.372/1.372, allocations: 223.2 MB / 238.9 MB, free: 5.586 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001585/0.001585, allocations: 181 kB / 290.2 MB, free: 2.281 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/HanserModelica 2.0.0-master/package.mo): time 0.03274/0.03274, allocations: 8.793 MB / 350.1 MB, free: 4.773 MB / 238.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0004025/0.0004026, allocations: 10.97 kB / 413.1 MB, free: 43.13 MB / 286.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1022/0.1026, allocations: 52.55 MB / 465.6 MB, free: 13.65 MB / 302.1 MB Notification: Performance of NFInst.instantiate(HanserModelica.SynchronousMachines.SMEE_LoadDump): time 0.01487/0.1175, allocations: 13.93 MB / 479.6 MB, free: 15.66 MB / 318.1 MB Notification: Performance of NFInst.instExpressions: time 0.01152/0.1291, allocations: 5.536 MB / 485.1 MB, free: 10.11 MB / 318.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.003265/0.1324, allocations: 91.62 kB / 485.2 MB, free: 10.02 MB / 318.1 MB Notification: Performance of NFTyping.typeComponents: time 0.003917/0.1363, allocations: 0.9676 MB / 486.2 MB, free: 9.047 MB / 318.1 MB Notification: Performance of NFTyping.typeBindings: time 0.005746/0.1421, allocations: 1.541 MB / 487.7 MB, free: 7.504 MB / 318.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.003258/0.1454, allocations: 0.8156 MB / 488.5 MB, free: 6.691 MB / 318.1 MB Notification: Performance of NFFlatten.flatten: time 0.00797/0.1533, allocations: 3.596 MB / 492.1 MB, free: 3.094 MB / 318.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.005974/0.1593, allocations: 2.773 MB / 494.9 MB, free: 276 kB / 318.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003668/0.163, allocations: 1.654 MB / 496.5 MB, free: 14.61 MB / 334.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.00403/0.1671, allocations: 1.961 MB / 498.5 MB, free: 12.64 MB / 334.1 MB Notification: Performance of NFPackage.collectConstants: time 0.00154/0.1687, allocations: 256 kB / 498.8 MB, free: 12.39 MB / 334.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.002207/0.1709, allocations: 443.6 kB / 499.2 MB, free: 11.96 MB / 334.1 MB Notification: Performance of NFScalarize.scalarize: time 0.002003/0.1729, allocations: 0.9967 MB / 0.4885 GB, free: 10.96 MB / 334.1 MB Notification: Performance of NFVerifyModel.verify: time 0.002131/0.1751, allocations: 0.9368 MB / 0.4894 GB, free: 10.01 MB / 334.1 MB Notification: Performance of NFConvertDAE.convert: time 0.00876/0.1839, allocations: 6.755 MB / 0.496 GB, free: 3.238 MB / 334.1 MB Notification: Performance of FrontEnd - DAE generated: time 2.926e-06/0.1839, allocations: 0 / 0.496 GB, free: 3.238 MB / 334.1 MB Notification: Performance of FrontEnd: time 2.514e-06/0.1839, allocations: 0 / 0.496 GB, free: 3.238 MB / 334.1 MB Notification: Performance of Transformations before backend: time 0.0002863/0.1842, allocations: 0 / 0.496 GB, free: 3.238 MB / 334.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1073 * Number of variables: 1073 Notification: Performance of Generate backend data structure: time 0.01436/0.1986, allocations: 4.876 MB / 0.5007 GB, free: 14.27 MB / 350.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.251e-05/0.1986, allocations: 12.03 kB / 0.5008 GB, free: 14.26 MB / 350.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005979/0.2046, allocations: 1.036 MB / 0.5018 GB, free: 13.21 MB / 350.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007415/0.2121, allocations: 2.944 MB / 0.5046 GB, free: 10.19 MB / 350.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0005327/0.2126, allocations: 482.5 kB / 0.5051 GB, free: 9.68 MB / 350.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001264/0.2139, allocations: 411.9 kB / 0.5055 GB, free: 9.277 MB / 350.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01129/0.2252, allocations: 5.328 MB / 0.5107 GB, free: 3.848 MB / 350.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 8.685e-05/0.2254, allocations: 7.938 kB / 0.5107 GB, free: 3.84 MB / 350.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004128/0.2258, allocations: 168 kB / 0.5109 GB, free: 3.676 MB / 350.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001728/0.226, allocations: 172.2 kB / 0.511 GB, free: 3.504 MB / 350.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.009169/0.2351, allocations: 4.549 MB / 0.5155 GB, free: 14.94 MB / 366.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.2512/0.4863, allocations: 17.89 MB / 0.5329 GB, free: 54.52 MB / 366.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.007622/0.494, allocations: 8.257 MB / 0.541 GB, free: 48.73 MB / 366.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.01034/0.5044, allocations: 4.681 MB / 0.5456 GB, free: 47.77 MB / 366.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.002077/0.5065, allocations: 1.327 MB / 0.5469 GB, free: 47.62 MB / 366.1 MB Notification: Performance of pre-optimization done (n=193): time 3.848e-06/0.5065, allocations: 0 / 0.5469 GB, free: 47.62 MB / 366.1 MB Notification: Performance of matching and sorting (n=226): time 0.0186/0.5252, allocations: 9.356 MB / 0.556 GB, free: 45.45 MB / 366.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001102/0.5253, allocations: 342.3 kB / 0.5563 GB, free: 45.07 MB / 366.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004501/0.5298, allocations: 2.45 MB / 0.5587 GB, free: 44.14 MB / 366.1 MB Notification: Performance of collectPreVariables (initialization): time 0.0002882/0.5301, allocations: 73.33 kB / 0.5588 GB, free: 44.07 MB / 366.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.00156/0.5317, allocations: 1.9 MB / 0.5607 GB, free: 42.64 MB / 366.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0007801/0.5325, allocations: 0.7605 MB / 0.5614 GB, free: 42 MB / 366.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000243/0.5327, allocations: 51.78 kB / 0.5614 GB, free: 41.96 MB / 366.1 MB Notification: Performance of setup shared object (initialization): time 0.0001767/0.5329, allocations: 414.9 kB / 0.5618 GB, free: 41.58 MB / 366.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001819/0.5348, allocations: 1.153 MB / 0.563 GB, free: 40.96 MB / 366.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002156/0.5369, allocations: 1.921 MB / 0.5648 GB, free: 39.38 MB / 366.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.002173/0.5391, allocations: 1.443 MB / 0.5663 GB, free: 38.6 MB / 366.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.804e-05/0.5391, allocations: 7.5 kB / 0.5663 GB, free: 38.6 MB / 366.1 MB Notification: Performance of matching and sorting (n=340) (initialization): time 0.00684/0.546, allocations: 4.287 MB / 0.5704 GB, free: 36.25 MB / 366.1 MB Notification: Performance of prepare postOptimizeDAE: time 0.001634/0.5476, allocations: 8.288 MB / 0.5785 GB, free: 27.24 MB / 366.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.104e-05/0.5477, allocations: 19.69 kB / 0.5786 GB, free: 27.24 MB / 366.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.002543/0.5503, allocations: 1.078 MB / 0.5796 GB, free: 26.68 MB / 366.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001916/0.5522, allocations: 488.6 kB / 0.5801 GB, free: 26.57 MB / 366.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01287/0.5651, allocations: 15.02 MB / 0.5947 GB, free: 12.81 MB / 366.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002805/0.5679, allocations: 171.9 kB / 0.5949 GB, free: 12.64 MB / 366.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000395/0.5683, allocations: 108.5 kB / 0.595 GB, free: 12.54 MB / 366.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.025e-05/0.5684, allocations: 4 kB / 0.595 GB, free: 12.53 MB / 366.1 MB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.006256/0.5746, allocations: 3.986 MB / 0.5989 GB, free: 8.5 MB / 366.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.213e-05/0.5747, allocations: 20 kB / 0.5989 GB, free: 8.48 MB / 366.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.002153/0.5769, allocations: 1.057 MB / 0.6 GB, free: 7.402 MB / 366.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001735/0.5786, allocations: 499.1 kB / 0.6004 GB, free: 6.918 MB / 366.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01498/0.5936, allocations: 15.01 MB / 0.6151 GB, free: 7.129 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002791/0.5965, allocations: 155.9 kB / 0.6152 GB, free: 6.977 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004845/0.597, allocations: 112 kB / 0.6153 GB, free: 6.867 MB / 382.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 89 * Number of states: 0 () * Number of discrete variables: 25 ($whenCondition1,$whenCondition4,$whenCondition3,$whenCondition2,$PRE.loadControl.pulseStart,loadControl.pulseStart,$PRE.switch.closerWithArc[1].off,switch.closerWithArc[1].off,$PRE.switch.closerWithArc[1].quenched,switch.closerWithArc[1].quenched,$PRE.switch.closerWithArc[1].tSwitch,switch.closerWithArc[1].tSwitch,$PRE.switch.closerWithArc[2].off,switch.closerWithArc[2].off,$PRE.switch.closerWithArc[2].quenched,switch.closerWithArc[2].quenched,$PRE.switch.closerWithArc[2].tSwitch,switch.closerWithArc[2].tSwitch,$PRE.switch.closerWithArc[3].off,switch.closerWithArc[3].off,$PRE.switch.closerWithArc[3].quenched,switch.closerWithArc[3].quenched,$PRE.switch.closerWithArc[3].tSwitch,switch.closerWithArc[3].tSwitch,voltageController.I.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (277): * Single equations (assignments): 270 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 1 * Torn equation systems: 6 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 1 {(2,100.0%)} * Non-linear Jacobian: 0 * Without analytic Jacobian: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 3 {(2,100.0%) 22,(3,100.0%) 26,(1,100.0%) 8} * Non-linear torn systems: 3 {1 1,1 1,1 1} Notification: Performance of prepare postOptimizeDAE: time 0.003194/0.6002, allocations: 1.344 MB / 0.6167 GB, free: 5.512 MB / 382.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009389/0.6011, allocations: 288.6 kB / 0.6169 GB, free: 5.227 MB / 382.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.007624/0.6088, allocations: 3.572 MB / 0.6204 GB, free: 1.629 MB / 382.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.101e-05/0.6088, allocations: 24 kB / 0.6204 GB, free: 1.605 MB / 382.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.063e-05/0.6088, allocations: 7.922 kB / 0.6205 GB, free: 1.598 MB / 382.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.341e-05/0.6089, allocations: 11.92 kB / 0.6205 GB, free: 1.586 MB / 382.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01418/0.6231, allocations: 7.516 MB / 0.6278 GB, free: 10.02 MB / 398.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.192e-05/0.6231, allocations: 11.98 kB / 0.6278 GB, free: 10.01 MB / 398.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00132/0.6244, allocations: 303.6 kB / 0.6281 GB, free: 9.711 MB / 398.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.002703/0.6271, allocations: 1.126 MB / 0.6292 GB, free: 8.574 MB / 398.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001928/0.6274, allocations: 59.97 kB / 0.6293 GB, free: 8.516 MB / 398.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01506/0.6424, allocations: 12.64 MB / 0.6416 GB, free: 11.35 MB / 414.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.901e-06/0.6425, allocations: 4 kB / 0.6416 GB, free: 11.34 MB / 414.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.008721/0.6512, allocations: 5.09 MB / 0.6466 GB, free: 6.172 MB / 414.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.002141/0.6534, allocations: 0.6146 MB / 0.6472 GB, free: 5.535 MB / 414.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001063/0.6545, allocations: 64.06 kB / 0.6472 GB, free: 5.473 MB / 414.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002107/0.6566, allocations: 127.8 kB / 0.6474 GB, free: 5.348 MB / 414.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005419/0.6572, allocations: 254 kB / 0.6476 GB, free: 5.102 MB / 414.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001516/0.6573, allocations: 59.98 kB / 0.6477 GB, free: 5.043 MB / 414.1 MB Notification: Performance of sorting global known variables: time 0.003353/0.6607, allocations: 1.67 MB / 0.6493 GB, free: 3.363 MB / 414.1 MB Notification: Performance of sort global known variables: time 1.71e-07/0.6607, allocations: 0 / 0.6493 GB, free: 3.363 MB / 414.1 MB Notification: Performance of remove unused functions: time 0.00794/0.6686, allocations: 1.499 MB / 0.6508 GB, free: 1.867 MB / 414.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * Number of states: 8 (smee.stator.core.Phi.re,smee.stator.core.Phi.im,smee.excitation.electroMagneticConverter.Phi.re,speed.phi,speed.w,voltageController.I.y,loadInductor.inductor[2].i,loadInductor.inductor[3].i) * Number of discrete variables: 14 ($whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,loadControl.pulseStart,switch.closerWithArc[1].off,switch.closerWithArc[1].quenched,switch.closerWithArc[1].tSwitch,switch.closerWithArc[2].off,switch.closerWithArc[2].quenched,switch.closerWithArc[2].tSwitch,switch.closerWithArc[3].off,switch.closerWithArc[3].quenched,switch.closerWithArc[3].tSwitch) * Number of discrete states: 6 (switch.closerWithArc[2].off,switch.closerWithArc[2].quenched,switch.closerWithArc[1].off,switch.closerWithArc[1].quenched,switch.closerWithArc[3].off,switch.closerWithArc[3].quenched) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (160): * Single equations (assignments): 152 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 4 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 4 {4 60,1 1,1 1,1 1} Notification: Performance of Backend phase and start with SimCode phase: time 0.0006677/0.6693, allocations: 193.1 kB / 0.6509 GB, free: 1.664 MB / 414.1 MB Notification: Performance of simCode: created initialization part: time 0.01358/0.6829, allocations: 6.847 MB / 0.6576 GB, free: 10.62 MB / 430.1 MB Notification: Performance of simCode: created event and clocks part: time 1.222e-05/0.683, allocations: 4 kB / 0.6576 GB, free: 10.62 MB / 430.1 MB Notification: Performance of simCode: created simulation system equations: time 0.00411/0.6871, allocations: 2.3 MB / 0.6599 GB, free: 8.273 MB / 430.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003835/0.691, allocations: 0.6283 MB / 0.6605 GB, free: 7.656 MB / 430.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01796/0.709, allocations: 9.484 MB / 0.6698 GB, free: 14.13 MB / 446.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00377/0.7128, allocations: 2.923 MB / 0.6726 GB, free: 11.18 MB / 446.1 MB Notification: Performance of simCode: alias equations: time 0.003083/0.7159, allocations: 0.7141 MB / 0.6733 GB, free: 10.46 MB / 446.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007004/0.7166, allocations: 175.4 kB / 0.6735 GB, free: 10.29 MB / 446.1 MB Notification: Performance of SimCode: time 7.71e-07/0.7166, allocations: 0 / 0.6735 GB, free: 10.29 MB / 446.1 MB Notification: Performance of Templates: time 0.3008/1.017, allocations: 49.56 MB / 0.7219 GB, free: 130.3 MB / 462.1 MB make -j1 -f HanserModelica_HanserModelica.SynchronousMachines.SMEE_LoadDump.makefile Environment - environmentSimulation: (rm -f HanserModelica_HanserModelica.SynchronousMachines.SMEE_LoadDump.pipe ; mkfifo HanserModelica_HanserModelica.SynchronousMachines.SMEE_LoadDump.pipe ; head -c 1048576 < HanserModelica_HanserModelica.SynchronousMachines.SMEE_LoadDump.pipe >> ../files/HanserModelica_HanserModelica.SynchronousMachines.SMEE_LoadDump.sim & ./HanserModelica_HanserModelica.SynchronousMachines.SMEE_LoadDump -abortSlowSimulation -alarm=480 -lv LOG_STATS > HanserModelica_HanserModelica.SynchronousMachines.SMEE_LoadDump.pipe 2>&1) Environment - environmentSimulation: