Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildingSystems_BuildingSystems.Technologies.Photovoltaics.Examples.PVModuleSimpleMPP.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/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/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: translateModel(BuildingSystems.Technologies.Photovoltaics.Examples.PVModuleSimpleMPP,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Technologies.Photovoltaics.Examples.PVModuleSimpleMPP") translateModel(BuildingSystems.Technologies.Photovoltaics.Examples.PVModuleSimpleMPP,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Technologies.Photovoltaics.Examples.PVModuleSimpleMPP") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008177/0.0008178, allocations: 103.1 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 0.0008401/0.0008401, allocations: 173.3 kB / 15.95 MB, free: 212 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.162/1.162, allocations: 223.2 MB / 239.9 MB, free: 5.43 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.00163/0.00163, allocations: 270.9 kB / 291.2 MB, free: 1.992 MB / 238.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:5:3-5:34:writable] Warning: Got element f_alp that was not referenced in the package.order file. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:6:3-6:35:writable] Warning: Elements in the package.mo-file need to be in the same relative order as the package.order file. Got element named f_lay but it was already added because it was not the next element in the list at that time. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:6:3-6:35:writable] Warning: Got element f_lay that was not referenced in the package.order file. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:7:3-7:37:writable] Warning: Elements in the package.mo-file need to be in the same relative order as the package.order file. Got element named f_loss but it was already added because it was not the next element in the list at that time. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:7:3-7:37:writable] Warning: Got element f_loss that was not referenced in the package.order file. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:8:3-8:33:writable] Warning: Elements in the package.mo-file need to be in the same relative order as the package.order file. Got element named f_pv but it was already added because it was not the next element in the list at that time. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:8:3-8:33:writable] Warning: Got element f_pv that was not referenced in the package.order file. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:2:1-34:14:writable] Warning: f_pv was referenced in the package.order file, but was not found in package.mo, f_pv/package.mo or f_pv.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.722/0.722, allocations: 144.6 MB / 487 MB, free: 7.164 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0003502/0.0003502, allocations: 18.31 kB / 0.5683 GB, free: 38.33 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1171/0.1175, allocations: 83.08 MB / 0.6494 GB, free: 3.605 MB / 446.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Technologies.Photovoltaics.Examples.PVModuleSimpleMPP): time 0.003183/0.1207, allocations: 3.073 MB / 0.6524 GB, free: 0.5195 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.003571/0.1243, allocations: 3.105 MB / 0.6555 GB, free: 13.42 MB / 462.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001684/0.1245, allocations: 8.688 kB / 0.6555 GB, free: 13.41 MB / 462.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0002736/0.1247, allocations: 99.31 kB / 0.6556 GB, free: 13.31 MB / 462.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0006895/0.1254, allocations: 405.8 kB / 0.6559 GB, free: 12.92 MB / 462.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0004836/0.1259, allocations: 260 kB / 0.6562 GB, free: 12.67 MB / 462.1 MB Notification: Performance of NFFlatten.flatten: time 0.00043/0.1264, allocations: 452.2 kB / 0.6566 GB, free: 12.23 MB / 462.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0002063/0.1266, allocations: 155.9 kB / 0.6568 GB, free: 12.07 MB / 462.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0002508/0.1268, allocations: 243 kB / 0.657 GB, free: 11.84 MB / 462.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0003189/0.1272, allocations: 247.7 kB / 0.6572 GB, free: 11.59 MB / 462.1 MB Notification: Performance of NFPackage.collectConstants: time 4.72e-05/0.1272, allocations: 25.69 kB / 0.6573 GB, free: 11.57 MB / 462.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0005861/0.1278, allocations: 439.4 kB / 0.6577 GB, free: 11.14 MB / 462.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0001206/0.128, allocations: 119.5 kB / 0.6578 GB, free: 11.02 MB / 462.1 MB Notification: Performance of NFVerifyModel.verify: time 9.448e-05/0.1281, allocations: 130 kB / 0.6579 GB, free: 10.89 MB / 462.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0006721/0.1287, allocations: 0.7757 MB / 0.6587 GB, free: 10.11 MB / 462.1 MB Notification: Performance of FrontEnd - DAE generated: time 1.894e-06/0.1287, allocations: 0.875 kB / 0.6587 GB, free: 10.11 MB / 462.1 MB Notification: Performance of FrontEnd: time 1.213e-06/0.1288, allocations: 4 kB / 0.6587 GB, free: 10.11 MB / 462.1 MB Notification: Performance of Transformations before backend: time 6.292e-06/0.1288, allocations: 0.75 kB / 0.6587 GB, free: 10.11 MB / 462.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 116 * Number of variables: 116 Notification: Performance of Generate backend data structure: time 0.0014/0.1302, allocations: 0.8711 MB / 0.6595 GB, free: 9.191 MB / 462.1 MB Notification: Performance of prepare preOptimizeDAE: time 2.685e-05/0.1302, allocations: 8.031 kB / 0.6595 GB, free: 9.184 MB / 462.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003166/0.1334, allocations: 0.6413 MB / 0.6602 GB, free: 8.547 MB / 462.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001189/0.1346, allocations: 0.6147 MB / 0.6608 GB, free: 7.891 MB / 462.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001038/0.1347, allocations: 122.1 kB / 0.6609 GB, free: 7.754 MB / 462.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 7.501e-05/0.1348, allocations: 44 kB / 0.6609 GB, free: 7.711 MB / 462.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001296/0.1361, allocations: 0.6869 MB / 0.6616 GB, free: 7.004 MB / 462.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.089e-05/0.1361, allocations: 0 / 0.6616 GB, free: 7.004 MB / 462.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.119e-05/0.1362, allocations: 20 kB / 0.6616 GB, free: 6.984 MB / 462.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.928e-06/0.1362, allocations: 12 kB / 0.6616 GB, free: 6.973 MB / 462.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00176/0.1379, allocations: 0.765 MB / 0.6624 GB, free: 6.211 MB / 462.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002868/0.1408, allocations: 1.806 MB / 0.6641 GB, free: 4.348 MB / 462.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.002538/0.1434, allocations: 0.8605 MB / 0.665 GB, free: 3.477 MB / 462.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.001469/0.1449, allocations: 1.765 MB / 0.6667 GB, free: 1.324 MB / 462.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0009209/0.1458, allocations: 442.7 kB / 0.6671 GB, free: 0.8828 MB / 462.1 MB Notification: Performance of pre-optimization done (n=55): time 2.014e-06/0.1458, allocations: 4 kB / 0.6671 GB, free: 0.8789 MB / 462.1 MB Notification: Performance of matching and sorting (n=55): time 0.005873/0.1517, allocations: 1.64 MB / 0.6687 GB, free: 15.21 MB / 478.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 5.75e-05/0.1518, allocations: 115.4 kB / 0.6688 GB, free: 15.08 MB / 478.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004174/0.1522, allocations: 409.9 kB / 0.6692 GB, free: 14.67 MB / 478.1 MB Notification: Performance of collectPreVariables (initialization): time 5.206e-05/0.1522, allocations: 33.7 kB / 0.6693 GB, free: 14.63 MB / 478.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0001662/0.1524, allocations: 276.7 kB / 0.6695 GB, free: 14.36 MB / 478.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001306/0.1525, allocations: 185.3 kB / 0.6697 GB, free: 14.17 MB / 478.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 3.825e-05/0.1526, allocations: 12 kB / 0.6697 GB, free: 14.16 MB / 478.1 MB Notification: Performance of setup shared object (initialization): time 0.000112/0.1527, allocations: 354.8 kB / 0.6701 GB, free: 13.8 MB / 478.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007799/0.1535, allocations: 313.1 kB / 0.6704 GB, free: 13.5 MB / 478.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008758/0.1544, allocations: 449.5 kB / 0.6708 GB, free: 13.01 MB / 478.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008034/0.1552, allocations: 326 kB / 0.6711 GB, free: 12.69 MB / 478.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.775e-06/0.1552, allocations: 3.938 kB / 0.6711 GB, free: 12.68 MB / 478.1 MB Notification: Performance of matching and sorting (n=71) (initialization): time 0.003209/0.1584, allocations: 1.061 MB / 0.6721 GB, free: 11.61 MB / 478.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.805e-05/0.1585, allocations: 13.66 kB / 0.6721 GB, free: 11.6 MB / 478.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.787e-06/0.1585, allocations: 8 kB / 0.6722 GB, free: 11.59 MB / 478.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006517/0.1591, allocations: 141.1 kB / 0.6723 GB, free: 11.45 MB / 478.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000724/0.1599, allocations: 163.7 kB / 0.6724 GB, free: 11.29 MB / 478.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004224/0.1641, allocations: 2.043 MB / 0.6744 GB, free: 9.105 MB / 478.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006621/0.1648, allocations: 104.8 kB / 0.6745 GB, free: 9.004 MB / 478.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.695e-05/0.1648, allocations: 31.97 kB / 0.6746 GB, free: 8.973 MB / 478.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 15 * Number of states: 0 () * Number of discrete variables: 4 ($whenCondition1,$PRE.weatherData.weatherData.conTim.tNext,weatherData.weatherData.conTim.tNext,radiation.outsidePolarCircle) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (70): * Single equations (assignments): 69 * 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 0.0002608/0.1651, allocations: 210.6 kB / 0.6748 GB, free: 8.762 MB / 478.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.372e-05/0.1652, allocations: 55.33 kB / 0.6748 GB, free: 8.707 MB / 478.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002998/0.1682, allocations: 1.067 MB / 0.6759 GB, free: 7.629 MB / 478.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.755e-06/0.1682, allocations: 8 kB / 0.6759 GB, free: 7.621 MB / 478.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.174e-06/0.1682, allocations: 3.938 kB / 0.6759 GB, free: 7.617 MB / 478.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.005e-06/0.1682, allocations: 7.984 kB / 0.6759 GB, free: 7.609 MB / 478.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0007013/0.169, allocations: 0.7116 MB / 0.6766 GB, free: 6.848 MB / 478.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.406e-06/0.169, allocations: 0 / 0.6766 GB, free: 6.848 MB / 478.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006728/0.1696, allocations: 135.8 kB / 0.6767 GB, free: 6.715 MB / 478.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0006789/0.1703, allocations: 128.7 kB / 0.6768 GB, free: 6.586 MB / 478.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.006e-05/0.1704, allocations: 19.98 kB / 0.6769 GB, free: 6.566 MB / 478.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002871/0.1733, allocations: 1.821 MB / 0.6786 GB, free: 4.598 MB / 478.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.132e-06/0.1733, allocations: 0 / 0.6786 GB, free: 4.598 MB / 478.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002602/0.1759, allocations: 0.9542 MB / 0.6796 GB, free: 3.625 MB / 478.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0002626/0.1762, allocations: 212.2 kB / 0.6798 GB, free: 3.398 MB / 478.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 8.41e-05/0.1763, allocations: 12 kB / 0.6798 GB, free: 3.387 MB / 478.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005342/0.1768, allocations: 71.89 kB / 0.6798 GB, free: 3.316 MB / 478.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.865e-05/0.1769, allocations: 48.48 kB / 0.6799 GB, free: 3.27 MB / 478.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.195e-05/0.177, allocations: 27.98 kB / 0.6799 GB, free: 3.242 MB / 478.1 MB Notification: Performance of sorting global known variables: time 0.0002683/0.1772, allocations: 283.1 kB / 0.6802 GB, free: 2.969 MB / 478.1 MB Notification: Performance of sort global known variables: time 1.81e-07/0.1772, allocations: 4 kB / 0.6802 GB, free: 2.965 MB / 478.1 MB Notification: Performance of remove unused functions: time 0.0006588/0.1779, allocations: 239.6 kB / 0.6804 GB, free: 2.73 MB / 478.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 2 ($whenCondition1,weatherData.weatherData.conTim.tNext) * Number of discrete states: 1 (weatherData.weatherData.conTim.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (66): * Single equations (assignments): 64 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 1 * 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 3} Notification: Performance of Backend phase and start with SimCode phase: time 0.00103/0.1789, allocations: 0.4902 MB / 0.6809 GB, free: 2.379 MB / 478.1 MB Notification: Performance of simCode: created initialization part: time 0.001889/0.1808, allocations: 0.8658 MB / 0.6817 GB, free: 1.5 MB / 478.1 MB Notification: Performance of simCode: created event and clocks part: time 2.574e-06/0.1809, allocations: 0 / 0.6817 GB, free: 1.5 MB / 478.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0009552/0.1818, allocations: 0.5251 MB / 0.6823 GB, free: 0.9609 MB / 478.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.000277/0.1821, allocations: 57.88 kB / 0.6823 GB, free: 0.9023 MB / 478.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002014/0.1841, allocations: 1.516 MB / 0.6838 GB, free: 15.36 MB / 494.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003618/0.1845, allocations: 0.9008 MB / 0.6847 GB, free: 14.43 MB / 494.1 MB Notification: Performance of simCode: alias equations: time 0.000629/0.1851, allocations: 152.4 kB / 0.6848 GB, free: 14.28 MB / 494.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001987/0.1853, allocations: 67.38 kB / 0.6849 GB, free: 14.21 MB / 494.1 MB Notification: Performance of SimCode: time 2.41e-07/0.1854, allocations: 0 / 0.6849 GB, free: 14.21 MB / 494.1 MB Notification: Performance of Templates: time 0.0139/0.1993, allocations: 9.696 MB / 0.6943 GB, free: 4.574 MB / 494.1 MB make -j1 -f BuildingSystems_BuildingSystems.Technologies.Photovoltaics.Examples.PVModuleSimpleMPP.makefile Environment - environmentSimulation: (rm -f BuildingSystems_BuildingSystems.Technologies.Photovoltaics.Examples.PVModuleSimpleMPP.pipe ; mkfifo BuildingSystems_BuildingSystems.Technologies.Photovoltaics.Examples.PVModuleSimpleMPP.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Technologies.Photovoltaics.Examples.PVModuleSimpleMPP.pipe >> ../files/BuildingSystems_BuildingSystems.Technologies.Photovoltaics.Examples.PVModuleSimpleMPP.sim & ./BuildingSystems_BuildingSystems.Technologies.Photovoltaics.Examples.PVModuleSimpleMPP -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.Technologies.Photovoltaics.Examples.PVModuleSimpleMPP.pipe 2>&1) Environment - environmentSimulation: