Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries.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/BuildSysPro 3.5.0-master/package.mo", uses=false)
Using package BuildSysPro with version 3.5.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.5.0-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(BuildSysPro.IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries,fileNamePrefix="BuildSysPro_BuildSysPro_IBPSA_Fluid_FixedResistances_Validation_PressureDropsSeries",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(BuildSysPro.IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries,fileNamePrefix="BuildSysPro_BuildSysPro_IBPSA_Fluid_FixedResistances_Validation_PressureDropsSeries",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 0.001331/0.001331, allocations: 85.94 kB / 15.06 MB, free: 1.09 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001654/0.001655, allocations: 168.7 kB / 15.95 MB, free: 204 kB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.506/1.506, allocations: 223.3 MB / 240 MB, free: 5.395 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.5.0-master/package.mo): time 1.187/1.187, allocations: 143.4 MB / 434.5 MB, free: 13.66 MB / 350.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.0004609/0.000461, allocations: 8 kB / 0.5161 GB, free: 11.18 MB / 430.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.207/0.2075, allocations: 83.41 MB / 0.5975 GB, free: 7.719 MB / 0.4981 GB
Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries): time 0.567/0.7746, allocations: 146.7 MB / 0.7408 GB, free: 6.777 MB / 0.5606 GB
Notification: Performance of NFInst.instExpressions: time 0.003095/0.7778, allocations: 1.607 MB / 0.7423 GB, free: 5.656 MB / 0.5606 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0004405/0.7782, allocations: 12.94 kB / 0.7424 GB, free: 5.648 MB / 0.5606 GB
Notification: Performance of NFTyping.typeComponents: time 0.0005739/0.7788, allocations: 110.4 kB / 0.7425 GB, free: 5.586 MB / 0.5606 GB
Notification: Performance of NFTyping.typeBindings: time 0.001368/0.7802, allocations: 388.9 kB / 0.7428 GB, free: 5.375 MB / 0.5606 GB
Notification: Performance of NFTyping.typeClassSections: time 0.001337/0.7816, allocations: 362.6 kB / 0.7432 GB, free: 5.215 MB / 0.5606 GB
Notification: Performance of NFFlatten.flatten: time 0.003711/0.7853, allocations: 2.873 MB / 0.746 GB, free: 4.07 MB / 0.5606 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.001393/0.7867, allocations: 0.6903 MB / 0.7467 GB, free: 3.465 MB / 0.5606 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.001947/0.7886, allocations: 0.7896 MB / 0.7474 GB, free: 2.672 MB / 0.5606 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.001384/0.79, allocations: 0.6923 MB / 0.7481 GB, free: 1.977 MB / 0.5606 GB
Notification: Performance of NFPackage.collectConstants: time 0.0002359/0.7903, allocations: 39.94 kB / 0.7481 GB, free: 1.938 MB / 0.5606 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.001725/0.792, allocations: 0.5497 MB / 0.7487 GB, free: 1.387 MB / 0.5606 GB
Notification: Performance of NFScalarize.scalarize: time 0.0005751/0.7926, allocations: 283.6 kB / 0.749 GB, free: 1.109 MB / 0.5606 GB
Notification: Performance of NFVerifyModel.verify: time 0.0005934/0.7932, allocations: 229.1 kB / 0.7492 GB, free: 0.8789 MB / 0.5606 GB
Notification: Performance of NFConvertDAE.convert: time 0.001706/0.7949, allocations: 1.033 MB / 0.7502 GB, free: 15.84 MB / 0.5762 GB
Notification: Performance of FrontEnd - DAE generated: time 4.618e-06/0.795, allocations: 4 kB / 0.7502 GB, free: 15.84 MB / 0.5762 GB
Notification: Performance of FrontEnd: time 1.452e-06/0.795, allocations: 0 / 0.7502 GB, free: 15.84 MB / 0.5762 GB
Notification: Performance of Transformations before backend: time 4.231e-05/0.795, allocations: 0 / 0.7502 GB, free: 15.84 MB / 0.5762 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 122
 * Number of variables: 122
Notification: Performance of Generate backend data structure: time 0.001955/0.797, allocations: 1.225 MB / 0.7514 GB, free: 14.57 MB / 0.5762 GB
Notification: Performance of prepare preOptimizeDAE: time 4.135e-05/0.797, allocations: 9.531 kB / 0.7514 GB, free: 14.56 MB / 0.5762 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001118/0.7971, allocations: 94.52 kB / 0.7515 GB, free: 14.46 MB / 0.5762 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007186/0.7979, allocations: 182.5 kB / 0.7517 GB, free: 14.28 MB / 0.5762 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.001114/0.799, allocations: 0.7572 MB / 0.7524 GB, free: 13.48 MB / 0.5762 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.086e-05/0.799, allocations: 52.95 kB / 0.7524 GB, free: 13.42 MB / 0.5762 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 7.694e-05/0.7991, allocations: 56 kB / 0.7525 GB, free: 13.37 MB / 0.5762 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.001067/0.8002, allocations: 0.6822 MB / 0.7532 GB, free: 12.67 MB / 0.5762 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.585e-05/0.8002, allocations: 4.5 kB / 0.7532 GB, free: 12.67 MB / 0.5762 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.899e-05/0.8003, allocations: 24 kB / 0.7532 GB, free: 12.64 MB / 0.5762 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.456e-05/0.8003, allocations: 15.98 kB / 0.7532 GB, free: 12.63 MB / 0.5762 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008492/0.8012, allocations: 0.523 MB / 0.7537 GB, free: 12.1 MB / 0.5762 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 0.003254/0.8044, allocations: 3.252 MB / 0.7569 GB, free: 8.484 MB / 0.5762 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.00059/0.805, allocations: 393.6 kB / 0.7573 GB, free: 8.094 MB / 0.5762 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0003567/0.8054, allocations: 250.3 kB / 0.7575 GB, free: 7.848 MB / 0.5762 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002793/0.8057, allocations: 194.2 kB / 0.7577 GB, free: 7.621 MB / 0.5762 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.679e-05/0.8057, allocations: 35.12 kB / 0.7577 GB, free: 7.578 MB / 0.5762 GB
Notification: Performance of pre-optimization done (n=28): time 1.483e-06/0.8057, allocations: 4 kB / 0.7577 GB, free: 7.574 MB / 0.5762 GB
Notification: Performance of matching and sorting (n=28): time 0.004404/0.8101, allocations: 1.492 MB / 0.7592 GB, free: 6.066 MB / 0.5762 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 3.713e-05/0.8102, allocations: 63.3 kB / 0.7592 GB, free: 5.992 MB / 0.5762 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001275/0.8115, allocations: 1.061 MB / 0.7603 GB, free: 4.91 MB / 0.5762 GB
Notification: Performance of collectPreVariables (initialization): time 4.171e-05/0.8115, allocations: 33.7 kB / 0.7603 GB, free: 4.871 MB / 0.5762 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0003677/0.8119, allocations: 440.5 kB / 0.7607 GB, free: 4.438 MB / 0.5762 GB
Notification: Performance of collectInitialBindings (initialization): time 8.112e-05/0.812, allocations: 102.5 kB / 0.7608 GB, free: 4.336 MB / 0.5762 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 1.698e-05/0.812, allocations: 4 kB / 0.7608 GB, free: 4.332 MB / 0.5762 GB
Notification: Performance of setup shared object (initialization): time 0.0001367/0.8122, allocations: 322 kB / 0.7611 GB, free: 4.012 MB / 0.5762 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002449/0.8124, allocations: 139.9 kB / 0.7613 GB, free: 3.875 MB / 0.5762 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004013/0.8128, allocations: 328.4 kB / 0.7616 GB, free: 3.48 MB / 0.5762 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0002904/0.8131, allocations: 180.8 kB / 0.7618 GB, free: 3.305 MB / 0.5762 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.194e-06/0.8131, allocations: 0 / 0.7618 GB, free: 3.305 MB / 0.5762 GB
Notification: Performance of matching and sorting (n=28) (initialization): time 0.001725/0.8149, allocations: 0.7442 MB / 0.7625 GB, free: 2.551 MB / 0.5762 GB
Notification: Performance of prepare postOptimizeDAE: time 7.654e-05/0.815, allocations: 123.7 kB / 0.7626 GB, free: 2.414 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.222e-06/0.815, allocations: 0 / 0.7626 GB, free: 2.414 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.001345/0.8163, allocations: 324.4 kB / 0.7629 GB, free: 2.094 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001318/0.8165, allocations: 28.7 kB / 0.7629 GB, free: 2.066 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0009862/0.8175, allocations: 1.004 MB / 0.7639 GB, free: 1.039 MB / 0.5762 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004903/0.818, allocations: 75.73 kB / 0.764 GB, free: 0.9648 MB / 0.5762 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.625e-05/0.818, allocations: 12 kB / 0.764 GB, free: 0.9531 MB / 0.5762 GB
Notification: Performance of prepare postOptimizeDAE: time 7.905e-06/0.818, allocations: 8 kB / 0.764 GB, free: 0.9453 MB / 0.5762 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.0009933/0.819, allocations: 495 kB / 0.7645 GB, free: 472 kB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.328e-06/0.819, allocations: 3.953 kB / 0.7645 GB, free: 468 kB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0005007/0.8195, allocations: 200.7 kB / 0.7647 GB, free: 264 kB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001069/0.8197, allocations: 24.73 kB / 0.7647 GB, free: 240 kB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003526/0.8232, allocations: 3.039 MB / 0.7677 GB, free: 13.06 MB / 0.5919 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004652/0.8237, allocations: 75.69 kB / 0.7677 GB, free: 12.98 MB / 0.5919 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.349e-05/0.8237, allocations: 15.94 kB / 0.7678 GB, free: 12.97 MB / 0.5919 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 4
 * 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 (9):
 * Single equations (assignments): 8
 * 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: 1
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 0
 * Non-linear torn systems: 1 {1 19}
Notification: Performance of prepare postOptimizeDAE: time 0.0004583/0.8242, allocations: 444.8 kB / 0.7682 GB, free: 12.52 MB / 0.5919 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001229/0.8243, allocations: 94.83 kB / 0.7683 GB, free: 12.43 MB / 0.5919 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001229/0.8255, allocations: 0.7252 MB / 0.769 GB, free: 11.69 MB / 0.5919 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.06e-06/0.8256, allocations: 4 kB / 0.769 GB, free: 11.69 MB / 0.5919 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 4.318e-06/0.8256, allocations: 3.984 kB / 0.769 GB, free: 11.68 MB / 0.5919 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.697e-06/0.8256, allocations: 0 / 0.769 GB, free: 11.68 MB / 0.5919 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0022/0.8278, allocations: 1.501 MB / 0.7705 GB, free: 10.1 MB / 0.5919 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.799e-06/0.8278, allocations: 4 kB / 0.7705 GB, free: 10.1 MB / 0.5919 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001015/0.8279, allocations: 23.23 kB / 0.7705 GB, free: 10.08 MB / 0.5919 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0004439/0.8284, allocations: 232.8 kB / 0.7707 GB, free: 9.848 MB / 0.5919 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.059e-05/0.8284, allocations: 8 kB / 0.7707 GB, free: 9.84 MB / 0.5919 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0008842/0.8293, allocations: 0.9751 MB / 0.7717 GB, free: 8.84 MB / 0.5919 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.39e-06/0.8293, allocations: 7.984 kB / 0.7717 GB, free: 8.832 MB / 0.5919 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00111/0.8304, allocations: 0.8195 MB / 0.7725 GB, free: 7.973 MB / 0.5919 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0002654/0.8307, allocations: 219.8 kB / 0.7727 GB, free: 7.738 MB / 0.5919 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.182e-05/0.8308, allocations: 11.95 kB / 0.7727 GB, free: 7.727 MB / 0.5919 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004075/0.8312, allocations: 51.86 kB / 0.7727 GB, free: 7.676 MB / 0.5919 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 5.855e-05/0.8313, allocations: 19.97 kB / 0.7728 GB, free: 7.656 MB / 0.5919 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.869e-05/0.8313, allocations: 8 kB / 0.7728 GB, free: 7.648 MB / 0.5919 GB
Notification: Performance of sorting global known variables: time 0.0009604/0.8323, allocations: 0.7669 MB / 0.7735 GB, free: 6.871 MB / 0.5919 GB
Notification: Performance of sort global known variables: time 1.653e-06/0.8323, allocations: 3.938 kB / 0.7735 GB, free: 6.867 MB / 0.5919 GB
Notification: Performance of remove unused functions: time 0.0009771/0.8333, allocations: 407.2 kB / 0.7739 GB, free: 6.469 MB / 0.5919 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 8
 * 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 (9):
 * Single equations (assignments): 8
 * 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: 1
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 0
 * Non-linear torn systems: 1 {1 19}
Notification: Performance of Backend phase and start with SimCode phase: time 0.00169/0.835, allocations: 1.338 MB / 0.7752 GB, free: 5.086 MB / 0.5919 GB
Notification: Performance of simCode: created initialization part: time 0.0015/0.8365, allocations: 0.7399 MB / 0.7759 GB, free: 4.34 MB / 0.5919 GB
Notification: Performance of simCode: created event and clocks part: time 3.427e-06/0.8365, allocations: 0 / 0.7759 GB, free: 4.34 MB / 0.5919 GB
Notification: Performance of simCode: created simulation system equations: time 0.0004505/0.8369, allocations: 211.1 kB / 0.7761 GB, free: 4.133 MB / 0.5919 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002034/0.839, allocations: 492.8 kB / 0.7766 GB, free: 3.66 MB / 0.5919 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01174/0.8507, allocations: 6.195 MB / 0.7827 GB, free: 13.27 MB / 0.6075 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008239/0.8516, allocations: 1.181 MB / 0.7838 GB, free: 12.06 MB / 0.6075 GB
Notification: Performance of simCode: alias equations: time 0.0006984/0.8523, allocations: 203.3 kB / 0.784 GB, free: 11.86 MB / 0.6075 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004148/0.8527, allocations: 315.3 kB / 0.7843 GB, free: 11.55 MB / 0.6075 GB
Notification: Performance of SimCode: time 7.52e-07/0.8527, allocations: 4 kB / 0.7843 GB, free: 11.54 MB / 0.6075 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.0694/0.9221, allocations: 27.71 MB / 0.8114 GB, free: 368 kB / 0.6231 GB
Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0003454/0.9225, allocations: 277.5 kB / 0.8116 GB, free: 8 kB / 0.6231 GB
Notification: Performance of buildModelFMU: Generate platform static: time 2.77/3.692, allocations: 0 / 0.8116 GB, free: 8 kB / 0.6231 GB
(rm -f BuildSysPro_BuildSysPro.IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator  --tempDir=temp_BuildSysPro_BuildSysPro_IBPSA_Fluid_FixedResistances_Validation_PressureDropsSeries_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 BuildSysPro_BuildSysPro_IBPSA_Fluid_FixedResistances_Validation_PressureDropsSeries.fmu > BuildSysPro_BuildSysPro.IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries.pipe 2>&1)
Environment - environmentSimulation: