Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_y.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo", uses=false) 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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 3.0.0/package.mo", uses=false) Using package Buildings with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 3.0.0/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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) Using package Modelica_StateGraph2 with version 2.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo) Running command: translateModel(Buildings.Fluid.Movers.Validation.SpeedControlled_y,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_y") translateModel(Buildings.Fluid.Movers.Validation.SpeedControlled_y,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_y") [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:257:38-257:110:writable] Warning: The file was not encoded in UTF-8: "

An important practical aspect of state machines is the abilit...". Defaulting to 7-bit ASCII with unknown characters replaced by '?'. To change encoding when loading a file: loadFile(encoding="ISO-XXXX-YY"). To change it in a package: add a file package.encoding at the top-level. Note: The Modelica Language Specification only allows files encoded in UTF-8. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:761:36-761:108:writable] Warning: The file was not encoded in UTF-8: "

The Modelica_StateGraph2 library is described in detail in (O...". Defaulting to 7-bit ASCII with unknown characters replaced by '?'. To change encoding when loading a file: loadFile(encoding="ISO-XXXX-YY"). To change it in a package: add a file package.encoding at the top-level. Note: The Modelica Language Specification only allows files encoded in UTF-8. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:1435:36-1435:108:writable] Warning: The file was not encoded in UTF-8: "

Main Authors:

SCode: time 0.4085/0.4092, allocations: 82.21 MB / 0.5935 GB, free: 21.43 MB / 446.1 MB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.Validation.SpeedControlled_y): time 0.6486/1.058, allocations: 295.7 MB / 0.8822 GB, free: 5.43 MB / 0.5919 GB Notification: Performance of NFInst.instExpressions: time 0.03503/1.093, allocations: 21.13 MB / 0.9029 GB, free: 1.324 MB / 0.6075 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002888/1.096, allocations: 75.44 kB / 0.9029 GB, free: 1.25 MB / 0.6075 GB Notification: Performance of NFTyping.typeComponents: time 0.003639/1.1, allocations: 0.9317 MB / 0.9038 GB, free: 320 kB / 0.6075 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/Fluid/Sources.mo:734:36-735:54:writable] Warning: 'each' used when modifying non-array element m_flow. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/Fluid/Sources.mo:732:36-733:54:writable] Warning: 'each' used when modifying non-array element m_flow. Notification: Performance of NFTyping.typeBindings: time 0.0102/1.11, allocations: 3.063 MB / 0.9068 GB, free: 13.23 MB / 0.6231 GB Notification: Performance of NFTyping.typeClassSections: time 0.006244/1.116, allocations: 2.026 MB / 0.9088 GB, free: 11.23 MB / 0.6231 GB Notification: Performance of NFFlatten.flatten: time 0.009606/1.126, allocations: 7.002 MB / 0.9156 GB, free: 4.211 MB / 0.6231 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003084/1.129, allocations: 1.603 MB / 0.9172 GB, free: 2.578 MB / 0.6231 GB Notification: Performance of NFEvalConstants.evaluate: time 0.006506/1.135, allocations: 2.56 MB / 0.9197 GB, free: 8 kB / 0.6231 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004177/1.14, allocations: 2.094 MB / 0.9218 GB, free: 13.91 MB / 0.6387 GB Notification: Performance of NFPackage.collectConstants: time 0.0007543/1.14, allocations: 136 kB / 0.9219 GB, free: 13.77 MB / 0.6387 GB Notification: Performance of NFFlatten.collectFunctions: time 0.006182/1.147, allocations: 2.144 MB / 0.924 GB, free: 11.62 MB / 0.6387 GB Notification: Performance of NFScalarize.scalarize: time 0.001603/1.148, allocations: 0.8567 MB / 0.9248 GB, free: 10.77 MB / 0.6387 GB Notification: Performance of NFVerifyModel.verify: time 0.001356/1.15, allocations: 0.5433 MB / 0.9253 GB, free: 10.21 MB / 0.6387 GB Notification: Performance of NFConvertDAE.convert: time 0.007052/1.157, allocations: 4.439 MB / 0.9297 GB, free: 5.766 MB / 0.6387 GB Notification: Performance of FrontEnd - DAE generated: time 5.36e-06/1.157, allocations: 0 / 0.9297 GB, free: 5.766 MB / 0.6387 GB Notification: Performance of FrontEnd: time 2.194e-06/1.157, allocations: 0 / 0.9297 GB, free: 5.766 MB / 0.6387 GB Notification: Performance of Transformations before backend: time 0.0001141/1.157, allocations: 0 / 0.9297 GB, free: 5.766 MB / 0.6387 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 360 * Number of variables: 360 Notification: Performance of Generate backend data structure: time 0.008585/1.165, allocations: 3.194 MB / 0.9328 GB, free: 2.496 MB / 0.6387 GB Notification: Performance of prepare preOptimizeDAE: time 5.02e-05/1.165, allocations: 12.03 kB / 0.9328 GB, free: 2.484 MB / 0.6387 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005511/1.171, allocations: 0.8632 MB / 0.9337 GB, free: 1.617 MB / 0.6387 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005535/1.177, allocations: 2.472 MB / 0.9361 GB, free: 15.07 MB / 0.6544 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000115/1.177, allocations: 114.8 kB / 0.9362 GB, free: 14.95 MB / 0.6544 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002525/1.177, allocations: 148 kB / 0.9363 GB, free: 14.81 MB / 0.6544 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004013/1.181, allocations: 1.88 MB / 0.9382 GB, free: 12.88 MB / 0.6544 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.041e-05/1.181, allocations: 8 kB / 0.9382 GB, free: 12.87 MB / 0.6544 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001398/1.181, allocations: 56 kB / 0.9382 GB, free: 12.81 MB / 0.6544 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.769e-05/1.181, allocations: 50.77 kB / 0.9383 GB, free: 12.76 MB / 0.6544 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003663/1.185, allocations: 1.521 MB / 0.9397 GB, free: 11.23 MB / 0.6544 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0121/1.197, allocations: 8.025 MB / 0.9476 GB, free: 2.605 MB / 0.6544 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003012/1.2, allocations: 1.082 MB / 0.9486 GB, free: 1.52 MB / 0.6544 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001138/1.201, allocations: 0.5454 MB / 0.9492 GB, free: 0.9727 MB / 0.6544 GB Notification: Performance of preOpt evalFunc (simulation): time 6.2e-05/1.201, allocations: 16.95 kB / 0.9492 GB, free: 0.957 MB / 0.6544 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.056e-05/1.201, allocations: 47.2 kB / 0.9492 GB, free: 0.8984 MB / 0.6544 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.001128/1.202, allocations: 142.9 kB / 0.9494 GB, free: 0.7578 MB / 0.6544 GB Notification: Performance of pre-optimization done (n=78): time 2.995e-06/1.202, allocations: 3.938 kB / 0.9494 GB, free: 0.7539 MB / 0.6544 GB Notification: Performance of matching and sorting (n=78): time 0.005768/1.208, allocations: 1.824 MB / 0.9512 GB, free: 14.9 MB / 0.67 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.435e-05/1.208, allocations: 60.06 kB / 0.9512 GB, free: 14.83 MB / 0.67 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003027/1.211, allocations: 1.891 MB / 0.9531 GB, free: 12.91 MB / 0.67 GB Notification: Performance of collectPreVariables (initialization): time 0.0002946/1.212, allocations: 45.7 kB / 0.9531 GB, free: 12.86 MB / 0.67 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009212/1.213, allocations: 1.015 MB / 0.9541 GB, free: 11.83 MB / 0.67 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003145/1.213, allocations: 268.1 kB / 0.9544 GB, free: 11.57 MB / 0.67 GB Notification: Performance of simplifyInitialFunctions (initialization): time 8.189e-05/1.213, allocations: 16 kB / 0.9544 GB, free: 11.55 MB / 0.67 GB Notification: Performance of setup shared object (initialization): time 0.0001663/1.213, allocations: 357.9 kB / 0.9547 GB, free: 11.2 MB / 0.67 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001418/1.215, allocations: 0.6503 MB / 0.9553 GB, free: 10.54 MB / 0.67 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001867/1.216, allocations: 0.9739 MB / 0.9563 GB, free: 9.438 MB / 0.67 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001427/1.218, allocations: 0.8301 MB / 0.9571 GB, free: 8.594 MB / 0.67 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.535e-06/1.218, allocations: 4 kB / 0.9571 GB, free: 8.59 MB / 0.67 GB Notification: Performance of matching and sorting (n=147) (initialization): time 0.004198/1.222, allocations: 2.022 MB / 0.9591 GB, free: 6.543 MB / 0.67 GB Notification: Performance of prepare postOptimizeDAE: time 0.0002806/1.222, allocations: 375.7 kB / 0.9594 GB, free: 6.074 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.487e-05/1.222, allocations: 8 kB / 0.9594 GB, free: 6.066 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005466/1.223, allocations: 128.8 kB / 0.9596 GB, free: 5.938 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002162/1.225, allocations: 379.4 kB / 0.9599 GB, free: 5.566 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004152/1.229, allocations: 3.48 MB / 0.9633 GB, free: 1.797 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002544/1.232, allocations: 195.6 kB / 0.9635 GB, free: 1.605 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001961/1.232, allocations: 87.95 kB / 0.9636 GB, free: 1.52 MB / 0.67 GB Notification: Performance of prepare postOptimizeDAE: time 9.949e-06/1.232, allocations: 6.344 kB / 0.9636 GB, free: 1.516 MB / 0.67 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.003837/1.236, allocations: 2.245 MB / 0.9658 GB, free: 15.25 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.056e-05/1.236, allocations: 4 kB / 0.9658 GB, free: 15.25 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006142/1.237, allocations: 216.8 kB / 0.966 GB, free: 15.04 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008131/1.237, allocations: 211.7 kB / 0.9662 GB, free: 14.83 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0006318/1.238, allocations: 0.7553 MB / 0.967 GB, free: 14.05 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001697/1.24, allocations: 183.6 kB / 0.9671 GB, free: 13.87 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001345/1.24, allocations: 79.97 kB / 0.9672 GB, free: 13.79 MB / 0.6856 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 27 * 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 (106): * Single equations (assignments): 101 * Array equations: 0 * Algorithm blocks: 2 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 2 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 0 * Non-linear Jacobian: 2 {1,1} * Without analytic Jacobian: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 1 {1 7} Notification: Performance of prepare postOptimizeDAE: time 0.00115/1.241, allocations: 0.6022 MB / 0.9678 GB, free: 13.18 MB / 0.6856 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003002/1.241, allocations: 201.5 kB / 0.968 GB, free: 12.98 MB / 0.6856 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002767/1.244, allocations: 1.214 MB / 0.9692 GB, free: 11.75 MB / 0.6856 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.111e-05/1.244, allocations: 11.95 kB / 0.9692 GB, free: 11.73 MB / 0.6856 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.45e-06/1.244, allocations: 3.984 kB / 0.9692 GB, free: 11.73 MB / 0.6856 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.002118/1.246, allocations: 1.02 MB / 0.9702 GB, free: 10.68 MB / 0.6856 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005087/1.251, allocations: 2.824 MB / 0.9729 GB, free: 7.77 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.378e-06/1.251, allocations: 0 / 0.9729 GB, free: 7.77 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001973/1.253, allocations: 347.5 kB / 0.9733 GB, free: 7.43 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003609/1.254, allocations: 112.8 kB / 0.9734 GB, free: 7.316 MB / 0.6856 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.288e-05/1.254, allocations: 27.98 kB / 0.9734 GB, free: 7.289 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.003687/1.258, allocations: 3.421 MB / 0.9767 GB, free: 3.582 MB / 0.6856 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.633e-06/1.258, allocations: 4.031 kB / 0.9767 GB, free: 3.578 MB / 0.6856 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00372/1.261, allocations: 1.778 MB / 0.9785 GB, free: 1.77 MB / 0.6856 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0007367/1.262, allocations: 374.4 kB / 0.9788 GB, free: 1.383 MB / 0.6856 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002189/1.262, allocations: 19.95 kB / 0.9789 GB, free: 1.363 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001136/1.263, allocations: 139.6 kB / 0.979 GB, free: 1.227 MB / 0.6856 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001332/1.264, allocations: 48.59 kB / 0.979 GB, free: 1.18 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.455e-05/1.264, allocations: 35.97 kB / 0.9791 GB, free: 1.145 MB / 0.6856 GB Notification: Performance of sorting global known variables: time 0.001771/1.265, allocations: 1.276 MB / 0.9803 GB, free: 15.85 MB / 0.7012 GB Notification: Performance of sort global known variables: time 2.01e-07/1.265, allocations: 4 kB / 0.9803 GB, free: 15.85 MB / 0.7012 GB Notification: Performance of remove unused functions: time 0.002885/1.268, allocations: 1.072 MB / 0.9814 GB, free: 14.77 MB / 0.7012 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 3 (floMacDyn.vol.dynBal.U,floMacDyn.vol.dynBal.m,floMacDyn.vol.dynBal.mXi[1]) * 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 (73): * Single equations (assignments): 70 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 2 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 0 * Non-linear Jacobian: 2 {1,1} * Without analytic Jacobian: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 1 {1 7} Notification: Performance of Backend phase and start with SimCode phase: time 0.001007/1.269, allocations: 412.4 kB / 0.9818 GB, free: 14.38 MB / 0.7012 GB Notification: Performance of simCode: created initialization part: time 0.007035/1.276, allocations: 4.008 MB / 0.9857 GB, free: 10.33 MB / 0.7012 GB Notification: Performance of simCode: created event and clocks part: time 5.039e-06/1.276, allocations: 4.25 kB / 0.9857 GB, free: 10.32 MB / 0.7012 GB Notification: Performance of simCode: created simulation system equations: time 0.002802/1.279, allocations: 0.7336 MB / 0.9864 GB, free: 9.594 MB / 0.7012 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004597/1.284, allocations: 1.081 MB / 0.9875 GB, free: 8.543 MB / 0.7012 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00732/1.291, allocations: 4.373 MB / 0.9917 GB, free: 4.129 MB / 0.7012 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001388/1.293, allocations: 1.601 MB / 0.9933 GB, free: 2.496 MB / 0.7012 GB Notification: Performance of simCode: alias equations: time 0.002429/1.295, allocations: 477.1 kB / 0.9937 GB, free: 2.027 MB / 0.7012 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003935/1.296, allocations: 151.4 kB / 0.9939 GB, free: 1.879 MB / 0.7012 GB Notification: Performance of SimCode: time 2.194e-06/1.296, allocations: 0 / 0.9939 GB, free: 1.879 MB / 0.7012 GB Notification: Performance of Templates: time 0.08038/1.376, allocations: 47.09 MB / 1.04 GB, free: 3.125 MB / 0.7481 GB make -j1 -f Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_y.makefile Environment - environmentSimulation: (rm -f Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_y.pipe ; mkfifo Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_y.pipe ; head -c 1048576 < Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_y.pipe >> ../files/Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_y.sim & ./Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_y -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_y.pipe 2>&1) Environment - environmentSimulation: