Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Controls.OBC.CDL.Continuous.Validation.PIDInitialDerivativeOutput.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 3.2.3+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false)
Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/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)
Running command: "" <> buildModelFMU(Buildings.Controls.OBC.CDL.Continuous.Validation.PIDInitialDerivativeOutput,fileNamePrefix="Buildings_8_Buildings_Controls_OBC_CDL_Continuous_Validation_PIDInitialDerivativeOutput",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Controls.OBC.CDL.Continuous.Validation.PIDInitialDerivativeOutput,fileNamePrefix="Buildings_8_Buildings_Controls_OBC_CDL_Continuous_Validation_PIDInitialDerivativeOutput",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 0.0006895/0.0006895, allocations: 84.38 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 0.0007242/0.0007243, 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 3.2.3+maint.om/package.mo): time 1.117/1.117, allocations: 205.4 MB / 222.1 MB, free: 5.637 MB / 174.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.543/1.543, allocations: 292.7 MB / 0.5499 GB, free: 14.54 MB / 462.1 MB
Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Performance of FrontEnd - loaded program: time 0.0004939/0.0004939, allocations: 16.38 kB / 0.6739 GB, free: 26.05 MB / 0.5294 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2091/0.2096, allocations: 116.3 MB / 0.7874 GB, free: 11.83 MB / 0.6075 GB
Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.CDL.Continuous.Validation.PIDInitialDerivativeOutput): time 0.001624/0.2113, allocations: 1.377 MB / 0.7888 GB, free: 10.45 MB / 0.6075 GB
Notification: Performance of NFInst.instExpressions: time 0.001295/0.2126, allocations: 1.21 MB / 0.79 GB, free: 9.219 MB / 0.6075 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0001465/0.2128, allocations: 7.938 kB / 0.79 GB, free: 9.211 MB / 0.6075 GB
Notification: Performance of NFTyping.typeComponents: time 0.000148/0.2129, allocations: 43.58 kB / 0.79 GB, free: 9.168 MB / 0.6075 GB
Notification: Performance of NFTyping.typeBindings: time 0.0002028/0.2131, allocations: 51.62 kB / 0.7901 GB, free: 9.117 MB / 0.6075 GB
Notification: Performance of NFTyping.typeClassSections: time 0.0001888/0.2133, allocations: 103.8 kB / 0.7902 GB, free: 9.016 MB / 0.6075 GB
Notification: Performance of NFFlatten.flatten: time 0.0003528/0.2137, allocations: 413.1 kB / 0.7905 GB, free: 8.609 MB / 0.6075 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0002322/0.2139, allocations: 162 kB / 0.7907 GB, free: 8.445 MB / 0.6075 GB
Notification: Performance of NFEvalConstants.evaluate: time 9.859e-05/0.214, allocations: 103.4 kB / 0.7908 GB, free: 8.344 MB / 0.6075 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0001303/0.2142, allocations: 131.1 kB / 0.7909 GB, free: 8.215 MB / 0.6075 GB
Notification: Performance of NFPackage.collectConstants: time 3.044e-05/0.2142, allocations: 8 kB / 0.7909 GB, free: 8.207 MB / 0.6075 GB
Notification: Performance of NFFlatten.collectFunctions: time 2.612e-05/0.2142, allocations: 16 kB / 0.7909 GB, free: 8.191 MB / 0.6075 GB
Notification: Performance of NFScalarize.scalarize: time 5.061e-05/0.2143, allocations: 55.69 kB / 0.791 GB, free: 8.137 MB / 0.6075 GB
Notification: Performance of NFVerifyModel.verify: time 5.642e-05/0.2144, allocations: 77.52 kB / 0.7911 GB, free: 8.055 MB / 0.6075 GB
Notification: Performance of NFConvertDAE.convert: time 0.0002853/0.2147, allocations: 423.1 kB / 0.7915 GB, free: 7.641 MB / 0.6075 GB
Notification: Performance of FrontEnd - DAE generated: time 6.211e-06/0.2147, allocations: 0 / 0.7915 GB, free: 7.641 MB / 0.6075 GB
Notification: Performance of FrontEnd: time 1.253e-06/0.2147, allocations: 3.938 kB / 0.7915 GB, free: 7.637 MB / 0.6075 GB
Notification: Performance of Transformations before backend: time 4.909e-06/0.2147, allocations: 0 / 0.7915 GB, free: 7.637 MB / 0.6075 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 82
 * Number of variables: 82
Notification: Performance of Generate backend data structure: time 0.0008995/0.2156, allocations: 0.6818 MB / 0.7921 GB, free: 6.906 MB / 0.6075 GB
Notification: Performance of prepare preOptimizeDAE: time 3.587e-05/0.2156, allocations: 11.97 kB / 0.7922 GB, free: 6.895 MB / 0.6075 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 6.904e-05/0.2157, allocations: 70.53 kB / 0.7922 GB, free: 6.816 MB / 0.6075 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 6.326e-05/0.2158, allocations: 47.44 kB / 0.7923 GB, free: 6.77 MB / 0.6075 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003847/0.2162, allocations: 342.8 kB / 0.7926 GB, free: 6.398 MB / 0.6075 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.464e-05/0.2162, allocations: 28.66 kB / 0.7926 GB, free: 6.367 MB / 0.6075 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 4.684e-05/0.2163, allocations: 31.91 kB / 0.7927 GB, free: 6.336 MB / 0.6075 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0005239/0.2168, allocations: 361.9 kB / 0.793 GB, free: 5.969 MB / 0.6075 GB
Notification: Performance of preOpt findStateOrder (simulation): time 9.938e-06/0.2168, allocations: 0 / 0.793 GB, free: 5.969 MB / 0.6075 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.541e-05/0.2168, allocations: 16 kB / 0.793 GB, free: 5.953 MB / 0.6075 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.749e-06/0.2169, allocations: 8 kB / 0.793 GB, free: 5.945 MB / 0.6075 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004643/0.2173, allocations: 262.5 kB / 0.7933 GB, free: 5.688 MB / 0.6075 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.00152/0.2189, allocations: 1.283 MB / 0.7945 GB, free: 4.34 MB / 0.6075 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0004601/0.2193, allocations: 226.7 kB / 0.7947 GB, free: 4.109 MB / 0.6075 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0001757/0.2195, allocations: 100.8 kB / 0.7948 GB, free: 4.008 MB / 0.6075 GB
Notification: Performance of preOpt evalFunc (simulation): time 1.901e-05/0.2195, allocations: 0 / 0.7948 GB, free: 4.008 MB / 0.6075 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.403e-05/0.2196, allocations: 42.56 kB / 0.7949 GB, free: 3.957 MB / 0.6075 GB
Notification: Performance of pre-optimization done (n=15): time 1.022e-06/0.2196, allocations: 0 / 0.7949 GB, free: 3.957 MB / 0.6075 GB
Notification: Performance of matching and sorting (n=15): time 0.0005495/0.2201, allocations: 279.9 kB / 0.7951 GB, free: 3.68 MB / 0.6075 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 4.877e-05/0.2202, allocations: 106.8 kB / 0.7952 GB, free: 3.551 MB / 0.6075 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003786/0.2206, allocations: 405.6 kB / 0.7956 GB, free: 3.145 MB / 0.6075 GB
Notification: Performance of collectPreVariables (initialization): time 1.919e-05/0.2206, allocations: 29.7 kB / 0.7957 GB, free: 3.109 MB / 0.6075 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0001398/0.2207, allocations: 243.9 kB / 0.7959 GB, free: 2.863 MB / 0.6075 GB
Notification: Performance of collectInitialBindings (initialization): time 3.651e-05/0.2208, allocations: 59.19 kB / 0.796 GB, free: 2.805 MB / 0.6075 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 1.242e-05/0.2208, allocations: 8 kB / 0.796 GB, free: 2.797 MB / 0.6075 GB
Notification: Performance of setup shared object (initialization): time 0.0001064/0.2209, allocations: 350.8 kB / 0.7963 GB, free: 2.445 MB / 0.6075 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001919/0.2211, allocations: 95.95 kB / 0.7964 GB, free: 2.352 MB / 0.6075 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002343/0.2214, allocations: 193.4 kB / 0.7966 GB, free: 2.129 MB / 0.6075 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0002131/0.2216, allocations: 122.6 kB / 0.7967 GB, free: 2.012 MB / 0.6075 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.264e-06/0.2216, allocations: 0 / 0.7967 GB, free: 2.012 MB / 0.6075 GB
Notification: Performance of matching and sorting (n=32) (initialization): time 0.0005262/0.2221, allocations: 344.8 kB / 0.797 GB, free: 1.668 MB / 0.6075 GB
Notification: Performance of prepare postOptimizeDAE: time 6.81e-05/0.2222, allocations: 134.3 kB / 0.7971 GB, free: 1.512 MB / 0.6075 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.931e-06/0.2222, allocations: 3.984 kB / 0.7971 GB, free: 1.508 MB / 0.6075 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.263e-05/0.2222, allocations: 8 kB / 0.7972 GB, free: 1.5 MB / 0.6075 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000237/0.2225, allocations: 63.89 kB / 0.7972 GB, free: 1.438 MB / 0.6075 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.684e-06/0.2225, allocations: 4 kB / 0.7972 GB, free: 1.434 MB / 0.6075 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001913/0.2227, allocations: 55.58 kB / 0.7973 GB, free: 1.379 MB / 0.6075 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.083e-05/0.2227, allocations: 23.88 kB / 0.7973 GB, free: 1.355 MB / 0.6075 GB
Notification: Performance of prepare postOptimizeDAE: time 5.02e-06/0.2227, allocations: 8 kB / 0.7973 GB, free: 1.348 MB / 0.6075 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.0002909/0.223, allocations: 210.9 kB / 0.7975 GB, free: 1.145 MB / 0.6075 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.904e-06/0.223, allocations: 0 / 0.7975 GB, free: 1.145 MB / 0.6075 GB
Notification: Performance of postOpt tearingSystem (initialization): time 4.107e-06/0.223, allocations: 4 kB / 0.7975 GB, free: 1.141 MB / 0.6075 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001691/0.2232, allocations: 51.92 kB / 0.7976 GB, free: 1.09 MB / 0.6075 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.956e-06/0.2232, allocations: 0 / 0.7976 GB, free: 1.09 MB / 0.6075 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001401/0.2234, allocations: 47.83 kB / 0.7976 GB, free: 1.043 MB / 0.6075 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.32e-05/0.2234, allocations: 8 kB / 0.7976 GB, free: 1.035 MB / 0.6075 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 7
 * Number of states: 0 ()
 * Number of discrete variables: 1 (limPID.con1.y)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (32):
 * Single equations (assignments): 32
 * 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 0.0001448/0.2235, allocations: 229.1 kB / 0.7978 GB, free: 0.8008 MB / 0.6075 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 5.18e-05/0.2236, allocations: 39.48 kB / 0.7979 GB, free: 0.7617 MB / 0.6075 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 6.401e-05/0.2237, allocations: 39.23 kB / 0.7979 GB, free: 0.7227 MB / 0.6075 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.547e-06/0.2237, allocations: 7.938 kB / 0.7979 GB, free: 0.7148 MB / 0.6075 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 4.008e-06/0.2237, allocations: 0 / 0.7979 GB, free: 0.7148 MB / 0.6075 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.216e-06/0.2237, allocations: 0 / 0.7979 GB, free: 0.7148 MB / 0.6075 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0009619/0.2247, allocations: 0.7029 MB / 0.7986 GB, free: 15.95 MB / 0.6231 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.096e-06/0.2247, allocations: 4 kB / 0.7986 GB, free: 15.94 MB / 0.6231 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001604/0.2248, allocations: 39.97 kB / 0.7986 GB, free: 15.9 MB / 0.6231 GB
Notification: Performance of postOpt tearingSystem (simulation): time 2.494e-06/0.2248, allocations: 0 / 0.7986 GB, free: 15.9 MB / 0.6231 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.455e-05/0.2249, allocations: 4 kB / 0.7986 GB, free: 15.9 MB / 0.6231 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.743e-06/0.2249, allocations: 0 / 0.7986 GB, free: 15.9 MB / 0.6231 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.052e-06/0.2249, allocations: 0 / 0.7986 GB, free: 15.9 MB / 0.6231 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0005576/0.2254, allocations: 428.6 kB / 0.7991 GB, free: 15.46 MB / 0.6231 GB
Notification: Performance of postOpt removeConstants (simulation): time 6.936e-05/0.2255, allocations: 112.7 kB / 0.7992 GB, free: 15.33 MB / 0.6231 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.778e-05/0.2256, allocations: 11.98 kB / 0.7992 GB, free: 15.32 MB / 0.6231 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001623/0.2257, allocations: 23.98 kB / 0.7992 GB, free: 15.29 MB / 0.6231 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 2.127e-05/0.2258, allocations: 11.98 kB / 0.7992 GB, free: 15.28 MB / 0.6231 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.086e-05/0.2258, allocations: 4.188 kB / 0.7992 GB, free: 15.28 MB / 0.6231 GB
Notification: Performance of sorting global known variables: time 0.0002688/0.226, allocations: 283.2 kB / 0.7995 GB, free: 15.01 MB / 0.6231 GB
Notification: Performance of sort global known variables: time 1.8e-07/0.2261, allocations: 3.938 kB / 0.7995 GB, free: 15 MB / 0.6231 GB
Notification: Performance of remove unused functions: time 0.0004121/0.2265, allocations: 119.5 kB / 0.7996 GB, free: 14.89 MB / 0.6231 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 3
 * Number of states: 3 (limPID.I.y,limPID.D.x,limPD.D.x)
 * 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 (15):
 * Single equations (assignments): 15
 * 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 0.0008459/0.2273, allocations: 0.9605 MB / 0.8005 GB, free: 13.9 MB / 0.6231 GB
Notification: Performance of simCode: created initialization part: time 0.0005738/0.2279, allocations: 351.6 kB / 0.8009 GB, free: 13.55 MB / 0.6231 GB
Notification: Performance of simCode: created event and clocks part: time 2.756e-06/0.2279, allocations: 0 / 0.8009 GB, free: 13.55 MB / 0.6231 GB
Notification: Performance of simCode: created simulation system equations: time 0.000158/0.2281, allocations: 88.66 kB / 0.801 GB, free: 13.47 MB / 0.6231 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004819/0.2286, allocations: 61.52 kB / 0.801 GB, free: 13.41 MB / 0.6231 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002883/0.2315, allocations: 2.077 MB / 0.803 GB, free: 11.26 MB / 0.6231 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003324/0.2318, allocations: 0.7923 MB / 0.8038 GB, free: 10.44 MB / 0.6231 GB
Notification: Performance of simCode: alias equations: time 0.0001419/0.232, allocations: 35.14 kB / 0.8038 GB, free: 10.4 MB / 0.6231 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001693/0.2321, allocations: 131.4 kB / 0.804 GB, free: 10.27 MB / 0.6231 GB
Notification: Performance of SimCode: time 2.5e-07/0.2321, allocations: 0 / 0.804 GB, free: 10.27 MB / 0.6231 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.01619/0.2483, allocations: 6.418 MB / 0.8102 GB, free: 4.078 MB / 0.6231 GB
Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001952/0.2486, allocations: 219.7 kB / 0.8105 GB, free: 3.836 MB / 0.6231 GB
Notification: Performance of buildModelFMU: Generate platform static: time 1.681/1.93, allocations: 0 / 0.8105 GB, free: 3.836 MB / 0.6231 GB
(rm -f Buildings_8_Buildings.Controls.OBC.CDL.Continuous.Validation.PIDInitialDerivativeOutput.pipe ; mkfifo Buildings_8_Buildings.Controls.OBC.CDL.Continuous.Validation.PIDInitialDerivativeOutput.pipe ; head -c 1048576 < Buildings_8_Buildings.Controls.OBC.CDL.Continuous.Validation.PIDInitialDerivativeOutput.pipe >> ../files/Buildings_8_Buildings.Controls.OBC.CDL.Continuous.Validation.PIDInitialDerivativeOutput.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator  --tempDir=temp_Buildings_8_Buildings_Controls_OBC_CDL_Continuous_Validation_PIDInitialDerivativeOutput_fmu --startTime=0 --stopTime=0.2 --timeout=50 --tolerance=1e-06 Buildings_8_Buildings_Controls_OBC_CDL_Continuous_Validation_PIDInitialDerivativeOutput.fmu > Buildings_8_Buildings.Controls.OBC.CDL.Continuous.Validation.PIDInitialDerivativeOutput.pipe 2>&1)
Environment - environmentSimulation: