Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildingSystems_BuildingSystems.Utilities.Math.Functions.Examples.Polynomial.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.Polynomial,fileNamePrefix="BuildingSystems_BuildingSystems_Utilities_Math_Functions_Examples_Polynomial",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildingSystems.Utilities.Math.Functions.Examples.Polynomial,fileNamePrefix="BuildingSystems_BuildingSystems_Utilities_Math_Functions_Examples_Polynomial",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 0.0007714/0.0007713, allocations: 90.75 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 0.0008299/0.00083, allocations: 172.7 kB / 15.95 MB, free: 208 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.305/1.305, allocations: 223.2 MB / 240 MB, free: 5.363 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.001677/0.001677, allocations: 278.1 kB / 291.3 MB, free: 1.918 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 0.7719/0.7719, allocations: 144.7 MB / 487.2 MB, free: 7.148 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0004118/0.0004119, allocations: 18.11 kB / 0.5686 GB, free: 38.4 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.158/0.1584, allocations: 83.1 MB / 0.6497 GB, free: 3.453 MB / 446.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Utilities.Math.Functions.Examples.Polynomial): time 0.0007079/0.1592, allocations: 299.7 kB / 0.65 GB, free: 3.16 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.0001888/0.1594, allocations: 33.28 kB / 0.6501 GB, free: 3.129 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 1.214e-05/0.1594, allocations: 0 / 0.6501 GB, free: 3.129 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 1.169e-05/0.1594, allocations: 3.938 kB / 0.6501 GB, free: 3.125 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 5.63e-06/0.1594, allocations: 0.9062 kB / 0.6501 GB, free: 3.125 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0002268/0.1596, allocations: 10.14 kB / 0.6501 GB, free: 3.117 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 3.719e-05/0.1597, allocations: 4 kB / 0.6501 GB, free: 3.113 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 3.886e-05/0.1597, allocations: 0 / 0.6501 GB, free: 3.113 MB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 1.26e-05/0.1598, allocations: 0 / 0.6501 GB, free: 3.113 MB / 446.1 MB Notification: Performance of NFSimplifyModel.simplify: time 4.458e-05/0.1598, allocations: 4 kB / 0.6501 GB, free: 3.109 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 8.856e-06/0.1598, allocations: 0 / 0.6501 GB, free: 3.109 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 7.689e-05/0.1599, allocations: 18.23 kB / 0.6501 GB, free: 3.094 MB / 446.1 MB Notification: Performance of NFScalarize.scalarize: time 1.164e-05/0.1599, allocations: 7.969 kB / 0.6501 GB, free: 3.086 MB / 446.1 MB Notification: Performance of NFVerifyModel.verify: time 2.389e-05/0.16, allocations: 25.7 kB / 0.6501 GB, free: 3.055 MB / 446.1 MB Notification: Performance of NFConvertDAE.convert: time 5.918e-05/0.16, allocations: 11.98 kB / 0.6501 GB, free: 3.043 MB / 446.1 MB Notification: Performance of FrontEnd - DAE generated: time 4.959e-06/0.16, allocations: 3.938 kB / 0.6501 GB, free: 3.039 MB / 446.1 MB Notification: Performance of FrontEnd: time 3.086e-06/0.16, allocations: 0 / 0.6501 GB, free: 3.039 MB / 446.1 MB Notification: Performance of Transformations before backend: time 4.408e-06/0.16, allocations: 4.5 kB / 0.6501 GB, free: 3.035 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: 1 * Number of variables: 1 Notification: Performance of Generate backend data structure: time 0.0003545/0.1604, allocations: 312 kB / 0.6504 GB, free: 2.684 MB / 446.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.922e-05/0.1605, allocations: 8.562 kB / 0.6504 GB, free: 2.676 MB / 446.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 2.94e-05/0.1605, allocations: 30.56 kB / 0.6505 GB, free: 2.637 MB / 446.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 1.879e-05/0.1605, allocations: 0.75 kB / 0.6505 GB, free: 2.637 MB / 446.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0001612/0.1607, allocations: 167.1 kB / 0.6506 GB, free: 2.434 MB / 446.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.32e-05/0.1607, allocations: 5.141 kB / 0.6506 GB, free: 2.43 MB / 446.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 1.084e-05/0.1607, allocations: 3.938 kB / 0.6506 GB, free: 2.426 MB / 446.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 8.087e-05/0.1608, allocations: 26.42 kB / 0.6507 GB, free: 2.395 MB / 446.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 8.436e-06/0.1608, allocations: 1.25 kB / 0.6507 GB, free: 2.395 MB / 446.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.666e-06/0.1608, allocations: 4 kB / 0.6507 GB, free: 2.391 MB / 446.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.038e-06/0.1608, allocations: 0 / 0.6507 GB, free: 2.391 MB / 446.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 2.022e-05/0.1609, allocations: 0 / 0.6507 GB, free: 2.391 MB / 446.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0001717/0.161, allocations: 158.3 kB / 0.6508 GB, free: 2.188 MB / 446.1 MB Notification: Performance of preOpt comSubExp (simulation): time 3.531e-05/0.1611, allocations: 23.69 kB / 0.6509 GB, free: 2.156 MB / 446.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 1.942e-05/0.1611, allocations: 5.391 kB / 0.6509 GB, free: 2.148 MB / 446.1 MB Notification: Performance of preOpt evalFunc (simulation): time 3.965e-05/0.1612, allocations: 4.688 kB / 0.6509 GB, free: 2.145 MB / 446.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.069e-05/0.1612, allocations: 31.91 kB / 0.6509 GB, free: 2.105 MB / 446.1 MB Notification: Performance of pre-optimization done (n=1): time 1.002e-06/0.1612, allocations: 0 / 0.6509 GB, free: 2.105 MB / 446.1 MB Notification: Performance of matching and sorting (n=1): time 0.0001237/0.1613, allocations: 38.95 kB / 0.6509 GB, free: 2.062 MB / 446.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 4.51e-05/0.1614, allocations: 51.41 kB / 0.651 GB, free: 2 MB / 446.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 3.333e-05/0.1614, allocations: 89.86 kB / 0.6511 GB, free: 1.902 MB / 446.1 MB Notification: Performance of collectPreVariables (initialization): time 1.397e-05/0.1614, allocations: 34.28 kB / 0.6511 GB, free: 1.863 MB / 446.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.000108/0.1615, allocations: 81.64 kB / 0.6512 GB, free: 1.781 MB / 446.1 MB Notification: Performance of collectInitialBindings (initialization): time 2.401e-05/0.1616, allocations: 3.906 kB / 0.6512 GB, free: 1.777 MB / 446.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 2.054e-06/0.1616, allocations: 0 / 0.6512 GB, free: 1.777 MB / 446.1 MB Notification: Performance of setup shared object (initialization): time 0.0001066/0.1617, allocations: 311.5 kB / 0.6515 GB, free: 1.465 MB / 446.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 7.815e-06/0.1617, allocations: 0 / 0.6515 GB, free: 1.465 MB / 446.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 7.904e-06/0.1617, allocations: 8.75 kB / 0.6515 GB, free: 1.457 MB / 446.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 1.725e-05/0.1617, allocations: 1.031 kB / 0.6515 GB, free: 1.457 MB / 446.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.794e-06/0.1618, allocations: 0 / 0.6515 GB, free: 1.457 MB / 446.1 MB Notification: Performance of matching and sorting (n=1) (initialization): time 5.314e-05/0.1618, allocations: 35.19 kB / 0.6515 GB, free: 1.418 MB / 446.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.528e-05/0.1618, allocations: 8 kB / 0.6515 GB, free: 1.41 MB / 446.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.889e-06/0.1618, allocations: 7.922 kB / 0.6515 GB, free: 1.402 MB / 446.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.393e-05/0.1619, allocations: 0 / 0.6515 GB, free: 1.402 MB / 446.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 4.53e-05/0.1619, allocations: 0.875 kB / 0.6515 GB, free: 1.402 MB / 446.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.207e-06/0.1619, allocations: 4 kB / 0.6515 GB, free: 1.398 MB / 446.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 1.511e-05/0.1619, allocations: 0.7188 kB / 0.6515 GB, free: 1.398 MB / 446.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.219e-05/0.162, allocations: 0 / 0.6515 GB, free: 1.398 MB / 446.1 MB Notification: Model statistics after passing the back-end for initialization: * 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 initialization (1): * Single equations (assignments): 1 * 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 0.0001536/0.1621, allocations: 108 kB / 0.6516 GB, free: 1.285 MB / 446.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.787e-06/0.1621, allocations: 12.64 kB / 0.6517 GB, free: 1.273 MB / 446.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 9.457e-05/0.1622, allocations: 43.28 kB / 0.6517 GB, free: 1.23 MB / 446.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.006e-06/0.1623, allocations: 0 / 0.6517 GB, free: 1.23 MB / 446.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.037e-06/0.1623, allocations: 3.938 kB / 0.6517 GB, free: 1.227 MB / 446.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.775e-06/0.1623, allocations: 0 / 0.6517 GB, free: 1.227 MB / 446.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0001721/0.1625, allocations: 146.3 kB / 0.6518 GB, free: 1.035 MB / 446.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.445e-06/0.1625, allocations: 3.984 kB / 0.6518 GB, free: 1.031 MB / 446.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 1.483e-05/0.1625, allocations: 1.906 kB / 0.6518 GB, free: 1.031 MB / 446.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 3.797e-06/0.1625, allocations: 0 / 0.6518 GB, free: 1.031 MB / 446.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.042e-05/0.1625, allocations: 11.89 kB / 0.6519 GB, free: 1.02 MB / 446.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 9.32e-07/0.1625, allocations: 0 / 0.6519 GB, free: 1.02 MB / 446.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.92e-07/0.1625, allocations: 0 / 0.6519 GB, free: 1.02 MB / 446.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 6.765e-05/0.1626, allocations: 58.44 kB / 0.6519 GB, free: 0.9453 MB / 446.1 MB Notification: Performance of postOpt removeConstants (simulation): time 3.075e-05/0.1626, allocations: 82.5 kB / 0.652 GB, free: 0.8477 MB / 446.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 1.048e-05/0.1627, allocations: 4 kB / 0.652 GB, free: 0.8438 MB / 446.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 1.227e-05/0.1627, allocations: 3.953 kB / 0.652 GB, free: 0.8398 MB / 446.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 1.199e-05/0.1627, allocations: 0.9062 kB / 0.652 GB, free: 0.8398 MB / 446.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.196e-06/0.1628, allocations: 0 / 0.652 GB, free: 0.8398 MB / 446.1 MB Notification: Performance of sorting global known variables: time 2.721e-05/0.1628, allocations: 77.97 kB / 0.6521 GB, free: 0.7656 MB / 446.1 MB Notification: Performance of sort global known variables: time 1e-07/0.1628, allocations: 0 / 0.6521 GB, free: 0.7656 MB / 446.1 MB Notification: Performance of remove unused functions: time 0.0001971/0.163, allocations: 8 kB / 0.6521 GB, free: 0.7578 MB / 446.1 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 (1): * Single equations (assignments): 1 * 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 0.0004834/0.1635, allocations: 0.5947 MB / 0.6527 GB, free: 136 kB / 446.1 MB Notification: Performance of simCode: created initialization part: time 5.915e-05/0.1636, allocations: 4 kB / 0.6527 GB, free: 132 kB / 446.1 MB Notification: Performance of simCode: created event and clocks part: time 3.333e-05/0.1636, allocations: 9.719 kB / 0.6527 GB, free: 124 kB / 446.1 MB Notification: Performance of simCode: created simulation system equations: time 8.205e-06/0.1636, allocations: 4 kB / 0.6527 GB, free: 120 kB / 446.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0001319/0.1637, allocations: 6.016 kB / 0.6527 GB, free: 116 kB / 446.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0002984/0.1641, allocations: 105 kB / 0.6528 GB, free: 15.97 MB / 462.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002385/0.1643, allocations: 0.678 MB / 0.6534 GB, free: 15.27 MB / 462.1 MB Notification: Performance of simCode: alias equations: time 2.66e-05/0.1643, allocations: 8.438 kB / 0.6535 GB, free: 15.26 MB / 462.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 2.241e-05/0.1644, allocations: 11.42 kB / 0.6535 GB, free: 15.25 MB / 462.1 MB Notification: Performance of SimCode: time 2.41e-07/0.1644, allocations: 0 / 0.6535 GB, free: 15.25 MB / 462.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.01146/0.1758, allocations: 0.8362 MB / 0.6543 GB, free: 14.56 MB / 462.1 MB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001969/0.1761, allocations: 210.5 kB / 0.6545 GB, free: 14.31 MB / 462.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 1.6/1.776, allocations: 0 / 0.6545 GB, free: 14.31 MB / 462.1 MB (rm -f BuildingSystems_BuildingSystems.Utilities.Math.Functions.Examples.Polynomial.pipe ; mkfifo BuildingSystems_BuildingSystems.Utilities.Math.Functions.Examples.Polynomial.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Utilities.Math.Functions.Examples.Polynomial.pipe >> ../files/BuildingSystems_BuildingSystems.Utilities.Math.Functions.Examples.Polynomial.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_BuildingSystems_BuildingSystems_Utilities_Math_Functions_Examples_Polynomial_fmu --startTime=0 --stopTime=4 --timeout=50 --tolerance=1e-06 BuildingSystems_BuildingSystems_Utilities_Math_Functions_Examples_Polynomial.fmu > BuildingSystems_BuildingSystems.Utilities.Math.Functions.Examples.Polynomial.pipe 2>&1) Environment - environmentSimulation: