Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildingSystems_BuildingSystems.Fluid.HeatExchangers.BaseClasses.Examples.HADryCoil.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.Fluid.HeatExchangers.BaseClasses.Examples.HADryCoil,fileNamePrefix="BuildingSystems_BuildingSystems_Fluid_HeatExchangers_BaseClasses_Examples_HADryCoil",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildingSystems.Fluid.HeatExchangers.BaseClasses.Examples.HADryCoil,fileNamePrefix="BuildingSystems_BuildingSystems_Fluid_HeatExchangers_BaseClasses_Examples_HADryCoil",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 0.001457/0.001464, allocations: 98.77 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 0.002167/0.002167, 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 2.13/2.13, allocations: 223.2 MB / 239.9 MB, free: 5.316 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002212/0.002212, allocations: 270.8 kB / 291.2 MB, free: 1.875 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 1.288/1.288, allocations: 144.6 MB / 487 MB, free: 7.168 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0005726/0.000573, allocations: 12.5 kB / 0.5684 GB, free: 38.42 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2919/0.2926, allocations: 83.09 MB / 0.6495 GB, free: 3.512 MB / 446.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.HeatExchangers.BaseClasses.Examples.HADryCoil): time 0.004435/0.2971, allocations: 1.708 MB / 0.6512 GB, free: 1.793 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.002887/0.3, allocations: 0.9718 MB / 0.6522 GB, free: 0.8203 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001693/0.3002, allocations: 0 / 0.6522 GB, free: 0.8203 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 6.833e-05/0.3003, allocations: 20.5 kB / 0.6522 GB, free: 0.8008 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0004653/0.3008, allocations: 86.12 kB / 0.6523 GB, free: 0.7188 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0006465/0.3015, allocations: 126.6 kB / 0.6524 GB, free: 0.5977 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 0.0004229/0.3019, allocations: 191.5 kB / 0.6526 GB, free: 420 kB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.00025/0.3022, allocations: 58.64 kB / 0.6526 GB, free: 364 kB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0002083/0.3024, allocations: 89.14 kB / 0.6527 GB, free: 276 kB / 446.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0003935/0.3028, allocations: 119.5 kB / 0.6528 GB, free: 156 kB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 4.448e-05/0.3029, allocations: 8 kB / 0.6528 GB, free: 148 kB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0007231/0.3036, allocations: 268.3 kB / 0.6531 GB, free: 15.88 MB / 462.1 MB Notification: Performance of NFScalarize.scalarize: time 6.693e-05/0.3037, allocations: 43.75 kB / 0.6531 GB, free: 15.84 MB / 462.1 MB Notification: Performance of NFVerifyModel.verify: time 8.2e-05/0.3038, allocations: 66.33 kB / 0.6532 GB, free: 15.77 MB / 462.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0004401/0.3043, allocations: 211.8 kB / 0.6534 GB, free: 15.56 MB / 462.1 MB Notification: Performance of FrontEnd - DAE generated: time 4.158e-06/0.3043, allocations: 0.7188 kB / 0.6534 GB, free: 15.56 MB / 462.1 MB Notification: Performance of FrontEnd: time 1.924e-06/0.3043, allocations: 0 / 0.6534 GB, free: 15.56 MB / 462.1 MB Notification: Performance of Transformations before backend: time 6.051e-06/0.3043, allocations: 1.031 kB / 0.6534 GB, free: 15.56 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: 34 * Number of variables: 34 Notification: Performance of Generate backend data structure: time 0.001732/0.3061, allocations: 0.61 MB / 0.654 GB, free: 14.91 MB / 462.1 MB Notification: Performance of prepare preOptimizeDAE: time 6.563e-05/0.3061, allocations: 15.97 kB / 0.654 GB, free: 14.89 MB / 462.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 9.32e-05/0.3063, allocations: 55.95 kB / 0.654 GB, free: 14.83 MB / 462.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0004172/0.3067, allocations: 39.61 kB / 0.6541 GB, free: 14.79 MB / 462.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0005516/0.3073, allocations: 262.4 kB / 0.6543 GB, free: 14.49 MB / 462.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.912e-05/0.3073, allocations: 12.97 kB / 0.6543 GB, free: 14.48 MB / 462.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 4.65e-05/0.3074, allocations: 12 kB / 0.6544 GB, free: 14.47 MB / 462.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001032/0.3084, allocations: 250.9 kB / 0.6546 GB, free: 14.21 MB / 462.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.369e-05/0.3085, allocations: 0 / 0.6546 GB, free: 14.21 MB / 462.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.465e-05/0.3085, allocations: 4.625 kB / 0.6546 GB, free: 14.2 MB / 462.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.516e-05/0.3085, allocations: 7.125 kB / 0.6546 GB, free: 14.2 MB / 462.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0014/0.31, allocations: 238.2 kB / 0.6548 GB, free: 13.97 MB / 462.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001953/0.3119, allocations: 0.9577 MB / 0.6558 GB, free: 12.94 MB / 462.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001521/0.3135, allocations: 257.2 kB / 0.656 GB, free: 12.67 MB / 462.1 MB Notification: Performance of preOpt evalFunc (simulation): time 4.252e-05/0.3135, allocations: 12.28 kB / 0.656 GB, free: 12.66 MB / 462.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.295e-05/0.3136, allocations: 38.55 kB / 0.6561 GB, free: 12.61 MB / 462.1 MB Notification: Performance of pre-optimization done (n=16): time 2.855e-06/0.3136, allocations: 0 / 0.6561 GB, free: 12.61 MB / 462.1 MB Notification: Performance of matching and sorting (n=16): time 0.002573/0.3162, allocations: 397.6 kB / 0.6564 GB, free: 12.22 MB / 462.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 8.018e-05/0.3163, allocations: 77.11 kB / 0.6565 GB, free: 12.12 MB / 462.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004917/0.3168, allocations: 267 kB / 0.6568 GB, free: 11.86 MB / 462.1 MB Notification: Performance of collectPreVariables (initialization): time 4.096e-05/0.3169, allocations: 29.7 kB / 0.6568 GB, free: 11.82 MB / 462.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0002067/0.3171, allocations: 164.2 kB / 0.657 GB, free: 11.66 MB / 462.1 MB Notification: Performance of collectInitialBindings (initialization): time 8.81e-05/0.3172, allocations: 55.2 kB / 0.657 GB, free: 11.61 MB / 462.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 1.74e-05/0.3172, allocations: 0 / 0.657 GB, free: 11.61 MB / 462.1 MB Notification: Performance of setup shared object (initialization): time 0.0004523/0.3177, allocations: 342.8 kB / 0.6573 GB, free: 11.26 MB / 462.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006627/0.3184, allocations: 111.9 kB / 0.6574 GB, free: 11.15 MB / 462.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006966/0.3191, allocations: 156 kB / 0.6576 GB, free: 10.98 MB / 462.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006571/0.3198, allocations: 128.1 kB / 0.6577 GB, free: 10.86 MB / 462.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.594e-06/0.3198, allocations: 7.938 kB / 0.6577 GB, free: 10.85 MB / 462.1 MB Notification: Performance of matching and sorting (n=23) (initialization): time 0.001433/0.3212, allocations: 329 kB / 0.658 GB, free: 10.52 MB / 462.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.135e-05/0.3213, allocations: 4 kB / 0.658 GB, free: 10.52 MB / 462.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.068e-05/0.3213, allocations: 4.094 kB / 0.658 GB, free: 10.51 MB / 462.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.702e-05/0.3213, allocations: 3.938 kB / 0.658 GB, free: 10.51 MB / 462.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005105/0.3218, allocations: 84 kB / 0.6581 GB, free: 10.43 MB / 462.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.147e-05/0.3219, allocations: 0 / 0.6581 GB, free: 10.43 MB / 462.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004421/0.3223, allocations: 55.81 kB / 0.6582 GB, free: 10.37 MB / 462.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.419e-05/0.3224, allocations: 11.98 kB / 0.6582 GB, free: 10.36 MB / 462.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 7 * 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 (23): * Single equations (assignments): 23 * 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 0.0002021/0.3226, allocations: 133.7 kB / 0.6583 GB, free: 10.22 MB / 462.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001903/0.3228, allocations: 27.66 kB / 0.6583 GB, free: 10.19 MB / 462.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001239/0.324, allocations: 339 kB / 0.6587 GB, free: 9.852 MB / 462.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.801e-06/0.3241, allocations: 4 kB / 0.6587 GB, free: 9.848 MB / 462.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.434e-06/0.3241, allocations: 0 / 0.6587 GB, free: 9.848 MB / 462.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.861e-06/0.3241, allocations: 4 kB / 0.6587 GB, free: 9.844 MB / 462.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0006403/0.3247, allocations: 301.3 kB / 0.659 GB, free: 9.5 MB / 462.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.407e-06/0.3248, allocations: 0 / 0.659 GB, free: 9.5 MB / 462.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004032/0.3252, allocations: 63.89 kB / 0.659 GB, free: 9.438 MB / 462.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 1.03e-05/0.3252, allocations: 3.984 kB / 0.659 GB, free: 9.434 MB / 462.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.135e-05/0.3252, allocations: 12 kB / 0.659 GB, free: 9.422 MB / 462.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.656e-06/0.3253, allocations: 0 / 0.659 GB, free: 9.422 MB / 462.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.805e-06/0.3253, allocations: 0 / 0.659 GB, free: 9.422 MB / 462.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001442/0.3267, allocations: 484.1 kB / 0.6595 GB, free: 8.926 MB / 462.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0001438/0.3269, allocations: 108.7 kB / 0.6596 GB, free: 8.801 MB / 462.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.456e-05/0.327, allocations: 4 kB / 0.6596 GB, free: 8.797 MB / 462.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004024/0.3274, allocations: 43.91 kB / 0.6597 GB, free: 8.754 MB / 462.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.664e-05/0.3275, allocations: 19.97 kB / 0.6597 GB, free: 8.734 MB / 462.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.304e-05/0.3275, allocations: 4 kB / 0.6597 GB, free: 8.73 MB / 462.1 MB Notification: Performance of sorting global known variables: time 0.0002509/0.3278, allocations: 190 kB / 0.6599 GB, free: 8.547 MB / 462.1 MB Notification: Performance of sort global known variables: time 1.41e-07/0.3278, allocations: 0 / 0.6599 GB, free: 8.547 MB / 462.1 MB Notification: Performance of remove unused functions: time 0.0004235/0.3282, allocations: 56.34 kB / 0.6599 GB, free: 8.492 MB / 462.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 2 * 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 (20): * Single equations (assignments): 20 * 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 0.001397/0.3296, allocations: 1.111 MB / 0.661 GB, free: 7.352 MB / 462.1 MB Notification: Performance of simCode: created initialization part: time 0.0008902/0.3305, allocations: 271.9 kB / 0.6613 GB, free: 7.086 MB / 462.1 MB Notification: Performance of simCode: created event and clocks part: time 3.005e-06/0.3305, allocations: 0 / 0.6613 GB, free: 7.086 MB / 462.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0004068/0.331, allocations: 139.9 kB / 0.6614 GB, free: 6.949 MB / 462.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.000588/0.3315, allocations: 73.67 kB / 0.6615 GB, free: 6.879 MB / 462.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001632/0.3332, allocations: 1.687 MB / 0.6631 GB, free: 5.113 MB / 462.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002963/0.3335, allocations: 0.7596 MB / 0.6638 GB, free: 4.328 MB / 462.1 MB Notification: Performance of simCode: alias equations: time 0.00016/0.3337, allocations: 34.5 kB / 0.6639 GB, free: 4.297 MB / 462.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001374/0.3338, allocations: 79.41 kB / 0.664 GB, free: 4.219 MB / 462.1 MB Notification: Performance of SimCode: time 1.203e-06/0.3338, allocations: 0 / 0.664 GB, free: 4.219 MB / 462.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.0275/0.3613, allocations: 5.752 MB / 0.6696 GB, free: 14.72 MB / 478.1 MB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0005886/0.362, allocations: 199.3 kB / 0.6698 GB, free: 14.48 MB / 478.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 2.99/3.352, allocations: 1.562 kB / 0.6698 GB, free: 14.48 MB / 478.1 MB (rm -f BuildingSystems_BuildingSystems.Fluid.HeatExchangers.BaseClasses.Examples.HADryCoil.pipe ; mkfifo BuildingSystems_BuildingSystems.Fluid.HeatExchangers.BaseClasses.Examples.HADryCoil.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Fluid.HeatExchangers.BaseClasses.Examples.HADryCoil.pipe >> ../files/BuildingSystems_BuildingSystems.Fluid.HeatExchangers.BaseClasses.Examples.HADryCoil.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_BuildingSystems_BuildingSystems_Fluid_HeatExchangers_BaseClasses_Examples_HADryCoil_fmu --startTime=0 --stopTime=80 --timeout=50 --tolerance=1e-06 BuildingSystems_BuildingSystems_Fluid_HeatExchangers_BaseClasses_Examples_HADryCoil.fmu > BuildingSystems_BuildingSystems.Fluid.HeatExchangers.BaseClasses.Examples.HADryCoil.pipe 2>&1) Environment - environmentSimulation: