Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildingSystems_BuildingSystems.Utilities.Math.Functions.Examples.SmoothHeavisideDerivatives.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: "" <> buildModelFMU(BuildingSystems.Utilities.Math.Functions.Examples.SmoothHeavisideDerivatives,fileNamePrefix="BuildingSystems_BuildingSystems_Utilities_Math_Functions_Examples_SmoothHeavisideDerivatives",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildingSystems.Utilities.Math.Functions.Examples.SmoothHeavisideDerivatives,fileNamePrefix="BuildingSystems_BuildingSystems_Utilities_Math_Functions_Examples_SmoothHeavisideDerivatives",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 0.0009246/0.0009248, allocations: 99.55 kB / 15.05 MB, free: 1.105 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001011/0.001011, allocations: 177.3 kB / 15.94 MB, free: 228 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.51/1.51, allocations: 223.2 MB / 239.9 MB, free: 5.477 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.001702/0.001702, allocations: 254.8 kB / 291.2 MB, free: 2.039 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 1.015/1.015, allocations: 144.6 MB / 487 MB, free: 7.18 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0005732/0.0005735, allocations: 14.78 kB / 0.5684 GB, free: 38.3 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2125/0.2131, allocations: 83.09 MB / 0.6495 GB, free: 3.48 MB / 446.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Utilities.Math.Functions.Examples.SmoothHeavisideDerivatives): time 0.0007942/0.214, allocations: 313.8 kB / 0.6498 GB, free: 3.176 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.001325/0.2153, allocations: 1.071 MB / 0.6509 GB, free: 2.09 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 2.825e-05/0.2153, allocations: 0 / 0.6509 GB, free: 2.09 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 1.147e-05/0.2154, allocations: 0.5938 kB / 0.6509 GB, free: 2.09 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0002319/0.2156, allocations: 22.31 kB / 0.6509 GB, free: 2.07 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 3.417e-06/0.2156, allocations: 4 kB / 0.6509 GB, free: 2.066 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 3.464e-05/0.2157, allocations: 0 / 0.6509 GB, free: 2.066 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 4.695e-05/0.2157, allocations: 0 / 0.6509 GB, free: 2.066 MB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 1.498e-05/0.2157, allocations: 0 / 0.6509 GB, free: 2.066 MB / 446.1 MB Notification: Performance of NFSimplifyModel.simplify: time 2.858e-05/0.2158, allocations: 4 kB / 0.6509 GB, free: 2.062 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 7.054e-06/0.2158, allocations: 0 / 0.6509 GB, free: 2.062 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0001326/0.2159, allocations: 29.75 kB / 0.6509 GB, free: 2.035 MB / 446.1 MB Notification: Performance of NFScalarize.scalarize: time 4.138e-06/0.2159, allocations: 0 / 0.6509 GB, free: 2.035 MB / 446.1 MB Notification: Performance of NFVerifyModel.verify: time 1.904e-05/0.2159, allocations: 25.7 kB / 0.651 GB, free: 2.004 MB / 446.1 MB Notification: Performance of NFConvertDAE.convert: time 5.913e-05/0.216, allocations: 7.984 kB / 0.651 GB, free: 1.996 MB / 446.1 MB Notification: Performance of FrontEnd - DAE generated: time 3.126e-06/0.216, allocations: 0 / 0.651 GB, free: 1.996 MB / 446.1 MB Notification: Performance of FrontEnd: time 2.034e-06/0.216, allocations: 0.5938 kB / 0.651 GB, free: 1.996 MB / 446.1 MB Notification: Performance of Transformations before backend: time 6.081e-06/0.216, allocations: 0 / 0.651 GB, free: 1.996 MB / 446.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 3 * Number of variables: 3 Notification: Performance of Generate backend data structure: time 0.0002557/0.2163, allocations: 317.8 kB / 0.6513 GB, free: 1.641 MB / 446.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.247e-05/0.2164, allocations: 8.031 kB / 0.6513 GB, free: 1.633 MB / 446.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 3.495e-05/0.2164, allocations: 30.56 kB / 0.6513 GB, free: 1.594 MB / 446.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 1.852e-05/0.2164, allocations: 4 kB / 0.6513 GB, free: 1.59 MB / 446.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0001068/0.2165, allocations: 163.1 kB / 0.6515 GB, free: 1.391 MB / 446.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.1e-05/0.2165, allocations: 4.859 kB / 0.6515 GB, free: 1.387 MB / 446.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 1.956e-05/0.2166, allocations: 3.906 kB / 0.6515 GB, free: 1.383 MB / 446.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 9.247e-05/0.2167, allocations: 38.19 kB / 0.6515 GB, free: 1.34 MB / 446.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.029e-05/0.2167, allocations: 1.5 kB / 0.6515 GB, free: 1.34 MB / 446.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.655e-06/0.2167, allocations: 0 / 0.6515 GB, free: 1.34 MB / 446.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.335e-05/0.2167, allocations: 4 kB / 0.6515 GB, free: 1.336 MB / 446.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 3.519e-05/0.2168, allocations: 8 kB / 0.6515 GB, free: 1.328 MB / 446.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0001385/0.2169, allocations: 146.3 kB / 0.6517 GB, free: 1.137 MB / 446.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0002491/0.2172, allocations: 44.02 kB / 0.6517 GB, free: 1.086 MB / 446.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0001296/0.2173, allocations: 90.06 kB / 0.6518 GB, free: 0.9805 MB / 446.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.538e-05/0.2173, allocations: 42.59 kB / 0.6518 GB, free: 0.9297 MB / 446.1 MB Notification: Performance of pre-optimization done (n=3): time 1.022e-06/0.2173, allocations: 1.531 kB / 0.6518 GB, free: 0.9297 MB / 446.1 MB Notification: Performance of matching and sorting (n=5): time 0.003944/0.2213, allocations: 0.5608 MB / 0.6524 GB, free: 396 kB / 446.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 3.839e-05/0.2213, allocations: 59.39 kB / 0.6524 GB, free: 324 kB / 446.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 3.629e-05/0.2214, allocations: 97.8 kB / 0.6525 GB, free: 216 kB / 446.1 MB Notification: Performance of collectPreVariables (initialization): time 1.943e-05/0.2214, allocations: 25.7 kB / 0.6526 GB, free: 184 kB / 446.1 MB Notification: Performance of collectInitialEqns (initialization): time 3.441e-05/0.2215, allocations: 84.14 kB / 0.6526 GB, free: 96 kB / 446.1 MB Notification: Performance of collectInitialBindings (initialization): time 3.903e-05/0.2215, allocations: 12.03 kB / 0.6527 GB, free: 84 kB / 446.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 1.149e-05/0.2215, allocations: 4 kB / 0.6527 GB, free: 80 kB / 446.1 MB Notification: Performance of setup shared object (initialization): time 0.0001189/0.2216, allocations: 314.8 kB / 0.653 GB, free: 15.76 MB / 462.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005484/0.2222, allocations: 79.95 kB / 0.653 GB, free: 15.68 MB / 462.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005549/0.2228, allocations: 106.5 kB / 0.6531 GB, free: 15.57 MB / 462.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005502/0.2233, allocations: 79.95 kB / 0.6532 GB, free: 15.49 MB / 462.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.202e-06/0.2233, allocations: 4 kB / 0.6532 GB, free: 15.49 MB / 462.1 MB Notification: Performance of matching and sorting (n=5) (initialization): time 0.00117/0.2245, allocations: 221.5 kB / 0.6534 GB, free: 15.27 MB / 462.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.692e-05/0.2245, allocations: 4 kB / 0.6534 GB, free: 15.26 MB / 462.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.96e-06/0.2245, allocations: 0 / 0.6534 GB, free: 15.26 MB / 462.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.358e-05/0.2246, allocations: 0 / 0.6534 GB, free: 15.26 MB / 462.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003752/0.2249, allocations: 55.94 kB / 0.6535 GB, free: 15.21 MB / 462.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.343e-06/0.225, allocations: 3.984 kB / 0.6535 GB, free: 15.2 MB / 462.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003142/0.2253, allocations: 39.98 kB / 0.6535 GB, free: 15.16 MB / 462.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.499e-05/0.2253, allocations: 4 kB / 0.6535 GB, free: 15.16 MB / 462.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 3 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (5): * Single equations (assignments): 5 * 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 8.779e-05/0.2254, allocations: 109.8 kB / 0.6536 GB, free: 15.04 MB / 462.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 1.59e-05/0.2254, allocations: 3.953 kB / 0.6536 GB, free: 15.04 MB / 462.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001273/0.2267, allocations: 241.1 kB / 0.6539 GB, free: 14.8 MB / 462.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.977e-06/0.2267, allocations: 0 / 0.6539 GB, free: 14.8 MB / 462.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.661e-06/0.2267, allocations: 0 / 0.6539 GB, free: 14.8 MB / 462.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.462e-06/0.2267, allocations: 0 / 0.6539 GB, free: 14.8 MB / 462.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001444/0.2282, allocations: 454.4 kB / 0.6543 GB, free: 14.3 MB / 462.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.863e-06/0.2282, allocations: 0 / 0.6543 GB, free: 14.3 MB / 462.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003549/0.2286, allocations: 51.97 kB / 0.6544 GB, free: 14.25 MB / 462.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 4.007e-06/0.2286, allocations: 0 / 0.6544 GB, free: 14.25 MB / 462.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.279e-05/0.2286, allocations: 4 kB / 0.6544 GB, free: 14.25 MB / 462.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.893e-06/0.2286, allocations: 4 kB / 0.6544 GB, free: 14.24 MB / 462.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.639e-06/0.2286, allocations: 3.938 kB / 0.6544 GB, free: 14.24 MB / 462.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001166/0.2298, allocations: 311.7 kB / 0.6547 GB, free: 13.92 MB / 462.1 MB Notification: Performance of postOpt removeConstants (simulation): time 3.928e-05/0.2298, allocations: 81.02 kB / 0.6547 GB, free: 13.82 MB / 462.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.285e-05/0.2299, allocations: 0 / 0.6547 GB, free: 13.82 MB / 462.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003453/0.2302, allocations: 43.97 kB / 0.6548 GB, free: 13.78 MB / 462.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 1.547e-05/0.2302, allocations: 0 / 0.6548 GB, free: 13.78 MB / 462.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.187e-05/0.2303, allocations: 4 kB / 0.6548 GB, free: 13.77 MB / 462.1 MB Notification: Performance of sorting global known variables: time 2.394e-05/0.2303, allocations: 79.28 kB / 0.6549 GB, free: 13.7 MB / 462.1 MB Notification: Performance of sort global known variables: time 1e-07/0.2303, allocations: 4 kB / 0.6549 GB, free: 13.69 MB / 462.1 MB Notification: Performance of remove unused functions: time 0.0002467/0.2305, allocations: 8 kB / 0.6549 GB, free: 13.68 MB / 462.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (5): * Single equations (assignments): 5 * 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 Backend phase and start with SimCode phase: time 0.001488/0.232, allocations: 0.8451 MB / 0.6557 GB, free: 12.81 MB / 462.1 MB Notification: Performance of simCode: created initialization part: time 0.001151/0.2332, allocations: 176 kB / 0.6559 GB, free: 12.64 MB / 462.1 MB Notification: Performance of simCode: created event and clocks part: time 3.015e-06/0.2332, allocations: 0 / 0.6559 GB, free: 12.64 MB / 462.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0005433/0.2338, allocations: 88.02 kB / 0.656 GB, free: 12.55 MB / 462.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0001322/0.2339, allocations: 5.875 kB / 0.656 GB, free: 12.55 MB / 462.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001193/0.2351, allocations: 252.3 kB / 0.6562 GB, free: 12.26 MB / 462.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002092/0.2353, allocations: 0.677 MB / 0.6569 GB, free: 11.55 MB / 462.1 MB Notification: Performance of simCode: alias equations: time 0.0002229/0.2356, allocations: 28 kB / 0.6569 GB, free: 11.53 MB / 462.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 6.544e-05/0.2356, allocations: 11.44 kB / 0.6569 GB, free: 11.52 MB / 462.1 MB Notification: Performance of SimCode: time 2.5e-07/0.2356, allocations: 0 / 0.6569 GB, free: 11.52 MB / 462.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.01012/0.2458, allocations: 1.441 MB / 0.6583 GB, free: 10.27 MB / 462.1 MB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002047/0.246, allocations: 214.2 kB / 0.6585 GB, free: 10.03 MB / 462.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 1.708/1.954, allocations: 0 / 0.6585 GB, free: 10.03 MB / 462.1 MB (rm -f BuildingSystems_BuildingSystems.Utilities.Math.Functions.Examples.SmoothHeavisideDerivatives.pipe ; mkfifo BuildingSystems_BuildingSystems.Utilities.Math.Functions.Examples.SmoothHeavisideDerivatives.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Utilities.Math.Functions.Examples.SmoothHeavisideDerivatives.pipe >> ../files/BuildingSystems_BuildingSystems.Utilities.Math.Functions.Examples.SmoothHeavisideDerivatives.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_BuildingSystems_BuildingSystems_Utilities_Math_Functions_Examples_SmoothHeavisideDerivatives_fmu --startTime=-1 --stopTime=1 --timeout=50 --tolerance=1e-06 BuildingSystems_BuildingSystems_Utilities_Math_Functions_Examples_SmoothHeavisideDerivatives.fmu > BuildingSystems_BuildingSystems.Utilities.Math.Functions.Examples.SmoothHeavisideDerivatives.pipe 2>&1) Environment - environmentSimulation: