Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildingSystems_BuildingSystems.Media.Antifreeze.Validation.PropyleneGlycolWater.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.Media.Antifreeze.Validation.PropyleneGlycolWater,fileNamePrefix="BuildingSystems_BuildingSystems_Media_Antifreeze_Validation_PropyleneGlycolWater",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildingSystems.Media.Antifreeze.Validation.PropyleneGlycolWater,fileNamePrefix="BuildingSystems_BuildingSystems_Media_Antifreeze_Validation_PropyleneGlycolWater",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 0.0008517/0.0008517, allocations: 99.86 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 0.0008879/0.000888, 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 1.246/1.246, allocations: 223.2 MB / 239.9 MB, free: 5.441 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.001751/0.001751, allocations: 265.8 kB / 291.2 MB, free: 2.012 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 0.7515/0.7515, allocations: 144.6 MB / 487 MB, free: 7.16 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0003888/0.0003888, allocations: 14.3 kB / 0.5684 GB, free: 38.25 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1548/0.1552, allocations: 83.09 MB / 0.6495 GB, free: 3.492 MB / 446.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Media.Antifreeze.Validation.PropyleneGlycolWater): time 0.001007/0.1562, allocations: 1.059 MB / 0.6506 GB, free: 2.422 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.002467/0.1587, allocations: 2.565 MB / 0.6531 GB, free: 15.86 MB / 462.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 2.236e-05/0.1587, allocations: 0.6562 kB / 0.6531 GB, free: 15.86 MB / 462.1 MB Notification: Performance of NFTyping.typeComponents: time 5.438e-05/0.1588, allocations: 11.98 kB / 0.6531 GB, free: 15.84 MB / 462.1 MB Notification: Performance of NFTyping.typeBindings: time 3.96e-05/0.1588, allocations: 16.66 kB / 0.6531 GB, free: 15.83 MB / 462.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0003274/0.1592, allocations: 165.3 kB / 0.6532 GB, free: 15.67 MB / 462.1 MB Notification: Performance of NFFlatten.flatten: time 0.000137/0.1593, allocations: 153.2 kB / 0.6534 GB, free: 15.52 MB / 462.1 MB Notification: Performance of NFFlatten.resolveConnections: time 2.586e-05/0.1593, allocations: 4 kB / 0.6534 GB, free: 15.52 MB / 462.1 MB Notification: Performance of NFEvalConstants.evaluate: time 5.992e-05/0.1594, allocations: 79.86 kB / 0.6535 GB, free: 15.44 MB / 462.1 MB Notification: Performance of NFSimplifyModel.simplify: time 8.773e-05/0.1595, allocations: 99.83 kB / 0.6536 GB, free: 15.34 MB / 462.1 MB Notification: Performance of NFPackage.collectConstants: time 2.084e-05/0.1595, allocations: 8.719 kB / 0.6536 GB, free: 15.33 MB / 462.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0003101/0.1599, allocations: 169.2 kB / 0.6537 GB, free: 15.17 MB / 462.1 MB Notification: Performance of NFScalarize.scalarize: time 6.443e-05/0.1599, allocations: 73.86 kB / 0.6538 GB, free: 15.1 MB / 462.1 MB Notification: Performance of NFVerifyModel.verify: time 3.942e-05/0.16, allocations: 57.58 kB / 0.6539 GB, free: 15.04 MB / 462.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0002087/0.1602, allocations: 187.9 kB / 0.654 GB, free: 14.85 MB / 462.1 MB Notification: Performance of FrontEnd - DAE generated: time 1.483e-06/0.1602, allocations: 0 / 0.654 GB, free: 14.85 MB / 462.1 MB Notification: Performance of FrontEnd: time 1.333e-06/0.1602, allocations: 0 / 0.654 GB, free: 14.85 MB / 462.1 MB Notification: Performance of Transformations before backend: time 5.37e-06/0.1602, allocations: 1.312 kB / 0.654 GB, free: 14.85 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: 37 * Number of variables: 37 Notification: Performance of Generate backend data structure: time 0.0006224/0.1608, allocations: 0.5244 MB / 0.6546 GB, free: 14.29 MB / 462.1 MB Notification: Performance of prepare preOptimizeDAE: time 2.718e-05/0.1609, allocations: 12.03 kB / 0.6546 GB, free: 14.27 MB / 462.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 3.925e-05/0.1609, allocations: 46.55 kB / 0.6546 GB, free: 14.22 MB / 462.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 7.604e-05/0.161, allocations: 15.81 kB / 0.6546 GB, free: 14.2 MB / 462.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002094/0.1612, allocations: 259.3 kB / 0.6549 GB, free: 13.91 MB / 462.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.653e-05/0.1613, allocations: 25.77 kB / 0.6549 GB, free: 13.89 MB / 462.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 2.328e-05/0.1613, allocations: 12 kB / 0.6549 GB, free: 13.88 MB / 462.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0005694/0.1619, allocations: 318.2 kB / 0.6552 GB, free: 13.56 MB / 462.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 5.47e-06/0.1619, allocations: 0 / 0.6552 GB, free: 13.56 MB / 462.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.836e-05/0.1619, allocations: 9.094 kB / 0.6552 GB, free: 13.55 MB / 462.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.982e-06/0.1619, allocations: 4 kB / 0.6552 GB, free: 13.55 MB / 462.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001317/0.1632, allocations: 0.8076 MB / 0.656 GB, free: 12.74 MB / 462.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0002799/0.1635, allocations: 309.1 kB / 0.6563 GB, free: 12.39 MB / 462.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001578/0.1651, allocations: 0.7736 MB / 0.6571 GB, free: 11.61 MB / 462.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0003008/0.1654, allocations: 392.3 kB / 0.6574 GB, free: 11.15 MB / 462.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.966e-05/0.1655, allocations: 34.56 kB / 0.6575 GB, free: 11.11 MB / 462.1 MB Notification: Performance of pre-optimization done (n=37): time 1.333e-06/0.1655, allocations: 4 kB / 0.6575 GB, free: 11.1 MB / 462.1 MB Notification: Performance of matching and sorting (n=37): time 0.001474/0.1669, allocations: 0.7354 MB / 0.6582 GB, free: 10.36 MB / 462.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 2.529e-05/0.167, allocations: 59.39 kB / 0.6583 GB, free: 10.29 MB / 462.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 7.442e-05/0.1671, allocations: 129.5 kB / 0.6584 GB, free: 10.16 MB / 462.1 MB Notification: Performance of collectPreVariables (initialization): time 2.192e-05/0.1671, allocations: 29.7 kB / 0.6584 GB, free: 10.12 MB / 462.1 MB Notification: Performance of collectInitialEqns (initialization): time 3.203e-05/0.1671, allocations: 92.78 kB / 0.6585 GB, free: 10.03 MB / 462.1 MB Notification: Performance of collectInitialBindings (initialization): time 7.899e-05/0.1672, allocations: 130.1 kB / 0.6586 GB, free: 9.898 MB / 462.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 1.414e-05/0.1672, allocations: 4 kB / 0.6586 GB, free: 9.895 MB / 462.1 MB Notification: Performance of setup shared object (initialization): time 8.816e-05/0.1673, allocations: 330.8 kB / 0.6589 GB, free: 9.562 MB / 462.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004597/0.1678, allocations: 223.8 kB / 0.6591 GB, free: 9.344 MB / 462.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004534/0.1682, allocations: 223.8 kB / 0.6594 GB, free: 9.125 MB / 462.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0004246/0.1687, allocations: 209.5 kB / 0.6596 GB, free: 8.922 MB / 462.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.534e-06/0.1687, allocations: 3.953 kB / 0.6596 GB, free: 8.918 MB / 462.1 MB Notification: Performance of matching and sorting (n=37) (initialization): time 0.0009905/0.1697, allocations: 0.5123 MB / 0.6601 GB, free: 8.398 MB / 462.1 MB Notification: Performance of prepare postOptimizeDAE: time 8.887e-06/0.1697, allocations: 4 kB / 0.6601 GB, free: 8.395 MB / 462.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.956e-06/0.1697, allocations: 0 / 0.6601 GB, free: 8.395 MB / 462.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 9.458e-06/0.1697, allocations: 4 kB / 0.6601 GB, free: 8.391 MB / 462.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003441/0.1701, allocations: 111.9 kB / 0.6602 GB, free: 8.281 MB / 462.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.378e-06/0.1701, allocations: 0 / 0.6602 GB, free: 8.281 MB / 462.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001882/0.1703, allocations: 63.73 kB / 0.6602 GB, free: 8.219 MB / 462.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.523e-05/0.1703, allocations: 19.98 kB / 0.6603 GB, free: 8.199 MB / 462.1 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 (37): * Single equations (assignments): 37 * 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 9.832e-05/0.1704, allocations: 137.8 kB / 0.6604 GB, free: 8.055 MB / 462.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 2.827e-05/0.1704, allocations: 23.75 kB / 0.6604 GB, free: 8.031 MB / 462.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001099/0.1715, allocations: 0.5707 MB / 0.661 GB, free: 7.461 MB / 462.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.679e-06/0.1716, allocations: 7.984 kB / 0.661 GB, free: 7.453 MB / 462.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.206e-06/0.1716, allocations: 0 / 0.661 GB, free: 7.453 MB / 462.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.066e-06/0.1716, allocations: 0 / 0.661 GB, free: 7.453 MB / 462.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0002549/0.1718, allocations: 309.3 kB / 0.6613 GB, free: 7.102 MB / 462.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.232e-06/0.1718, allocations: 4 kB / 0.6613 GB, free: 7.098 MB / 462.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003409/0.1722, allocations: 119.8 kB / 0.6614 GB, free: 6.98 MB / 462.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 2.354e-06/0.1722, allocations: 0 / 0.6614 GB, free: 6.98 MB / 462.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.99e-05/0.1722, allocations: 11.98 kB / 0.6614 GB, free: 6.969 MB / 462.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.956e-06/0.1722, allocations: 4 kB / 0.6614 GB, free: 6.965 MB / 462.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.11e-07/0.1722, allocations: 0 / 0.6614 GB, free: 6.965 MB / 462.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0009943/0.1732, allocations: 0.5436 MB / 0.6619 GB, free: 6.402 MB / 462.1 MB Notification: Performance of postOpt removeConstants (simulation): time 4.171e-05/0.1733, allocations: 96.84 kB / 0.662 GB, free: 6.289 MB / 462.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.137e-05/0.1733, allocations: 11.95 kB / 0.662 GB, free: 6.277 MB / 462.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001812/0.1735, allocations: 51.97 kB / 0.6621 GB, free: 6.227 MB / 462.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001823/0.1737, allocations: 119.7 kB / 0.6622 GB, free: 6.109 MB / 462.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.486e-05/0.1737, allocations: 19.98 kB / 0.6622 GB, free: 6.09 MB / 462.1 MB Notification: Performance of sorting global known variables: time 4.494e-05/0.1738, allocations: 95.27 kB / 0.6623 GB, free: 5.996 MB / 462.1 MB Notification: Performance of sort global known variables: time 2.805e-06/0.1738, allocations: 4 kB / 0.6623 GB, free: 5.992 MB / 462.1 MB Notification: Performance of remove unused functions: time 0.0003111/0.1741, allocations: 123.8 kB / 0.6624 GB, free: 5.871 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 (37): * Single equations (assignments): 37 * 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 0.001383/0.1755, allocations: 1.17 MB / 0.6636 GB, free: 4.672 MB / 462.1 MB Notification: Performance of simCode: created initialization part: time 0.0009928/0.1765, allocations: 0.5149 MB / 0.6641 GB, free: 4.156 MB / 462.1 MB Notification: Performance of simCode: created event and clocks part: time 1.402e-06/0.1765, allocations: 0 / 0.6641 GB, free: 4.156 MB / 462.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0005115/0.177, allocations: 295.4 kB / 0.6644 GB, free: 3.867 MB / 462.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0002878/0.1773, allocations: 71.88 kB / 0.6644 GB, free: 3.797 MB / 462.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002351/0.1797, allocations: 1.59 MB / 0.666 GB, free: 2.16 MB / 462.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002122/0.1799, allocations: 0.737 MB / 0.6667 GB, free: 1.395 MB / 462.1 MB Notification: Performance of simCode: alias equations: time 0.0003684/0.1803, allocations: 181.9 kB / 0.6669 GB, free: 1.242 MB / 462.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001013/0.1804, allocations: 67.39 kB / 0.6669 GB, free: 1.18 MB / 462.1 MB Notification: Performance of SimCode: time 2.41e-07/0.1804, allocations: 0 / 0.6669 GB, free: 1.18 MB / 462.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 1.348/1.529, allocations: 6.641 MB / 0.6734 GB, free: 10.79 MB / 478.1 MB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001637/1.529, allocations: 207.1 kB / 0.6736 GB, free: 10.54 MB / 478.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 2.008/3.537, allocations: 0 / 0.6736 GB, free: 10.54 MB / 478.1 MB (rm -f BuildingSystems_BuildingSystems.Media.Antifreeze.Validation.PropyleneGlycolWater.pipe ; mkfifo BuildingSystems_BuildingSystems.Media.Antifreeze.Validation.PropyleneGlycolWater.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Media.Antifreeze.Validation.PropyleneGlycolWater.pipe >> ../files/BuildingSystems_BuildingSystems.Media.Antifreeze.Validation.PropyleneGlycolWater.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_BuildingSystems_BuildingSystems_Media_Antifreeze_Validation_PropyleneGlycolWater_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 BuildingSystems_BuildingSystems_Media_Antifreeze_Validation_PropyleneGlycolWater.fmu > BuildingSystems_BuildingSystems.Media.Antifreeze.Validation.PropyleneGlycolWater.pipe 2>&1) Environment - environmentSimulation: