Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YY.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: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YY,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YY")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YY,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YY")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001071/0.001071, allocations: 100.1 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 0.001138/0.001138, allocations: 177.3 kB / 15.95 MB, free: 216 kB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.516/1.516, allocations: 205.4 MB / 222.1 MB, free: 5.648 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 1.684/1.684, allocations: 292.5 MB / 0.5497 GB, free: 14.63 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 0.0005341/0.0005343, allocations: 13.5 kB / 0.6736 GB, free: 26.25 MB / 0.5294 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2225/0.2231, allocations: 116.3 MB / 0.7871 GB, free: 11.92 MB / 0.6075 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YY): time 0.01883/0.242, allocations: 17.42 MB / 0.8042 GB, free: 10.45 MB / 0.6231 GB
Notification: Performance of NFInst.instExpressions: time 0.01124/0.2532, allocations: 6.774 MB / 0.8108 GB, free: 3.652 MB / 0.6231 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001622/0.2549, allocations: 43.88 kB / 0.8108 GB, free: 3.609 MB / 0.6231 GB
Notification: Performance of NFTyping.typeComponents: time 0.001585/0.2565, allocations: 445.4 kB / 0.8112 GB, free: 3.172 MB / 0.6231 GB
Notification: Performance of NFTyping.typeBindings: time 0.003259/0.2598, allocations: 0.8449 MB / 0.8121 GB, free: 2.324 MB / 0.6231 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002859/0.2627, allocations: 0.8317 MB / 0.8129 GB, free: 1.492 MB / 0.6231 GB
Notification: Performance of NFFlatten.flatten: time 0.004233/0.2669, allocations: 2.519 MB / 0.8153 GB, free: 14.97 MB / 0.6387 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0129/0.2798, allocations: 8.628 MB / 0.8238 GB, free: 6.262 MB / 0.6387 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003043/0.2829, allocations: 1.472 MB / 0.8252 GB, free: 4.785 MB / 0.6387 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.00358/0.2865, allocations: 1.819 MB / 0.827 GB, free: 2.961 MB / 0.6387 GB
Notification: Performance of NFPackage.collectConstants: time 0.00103/0.2876, allocations: 256 kB / 0.8272 GB, free: 2.711 MB / 0.6387 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002122/0.2897, allocations: 0.6672 MB / 0.8279 GB, free: 2.043 MB / 0.6387 GB
Notification: Performance of NFScalarize.scalarize: time 0.002593/0.2923, allocations: 1.875 MB / 0.8297 GB, free: 168 kB / 0.6387 GB
Notification: Performance of NFVerifyModel.verify: time 0.001338/0.2937, allocations: 0.7616 MB / 0.8304 GB, free: 15.39 MB / 0.6544 GB
Notification: Performance of NFConvertDAE.convert: time 0.007366/0.3011, allocations: 7.095 MB / 0.8374 GB, free: 8.281 MB / 0.6544 GB
Notification: Performance of FrontEnd - DAE generated: time 3.486e-06/0.3011, allocations: 0 / 0.8374 GB, free: 8.281 MB / 0.6544 GB
Notification: Performance of FrontEnd: time 1.853e-06/0.3011, allocations: 0 / 0.8374 GB, free: 8.281 MB / 0.6544 GB
Notification: Performance of Transformations before backend: time 0.000213/0.3013, allocations: 0 / 0.8374 GB, free: 8.281 MB / 0.6544 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 1094
 * Number of variables: 1094
Notification: Performance of Generate backend data structure: time 0.00751/0.3088, allocations: 3.329 MB / 0.8406 GB, free: 4.891 MB / 0.6544 GB
Notification: Performance of prepare preOptimizeDAE: time 3.912e-05/0.3089, allocations: 8.031 kB / 0.8406 GB, free: 4.883 MB / 0.6544 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01264/0.3215, allocations: 2.472 MB / 0.843 GB, free: 2.402 MB / 0.6544 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006243/0.3278, allocations: 2.272 MB / 0.8453 GB, free: 88 kB / 0.6544 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000349/0.3282, allocations: 300 kB / 0.8456 GB, free: 15.79 MB / 0.67 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001816/0.33, allocations: 387.9 kB / 0.8459 GB, free: 15.41 MB / 0.67 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01818/0.3482, allocations: 7.601 MB / 0.8533 GB, free: 7.699 MB / 0.67 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001556/0.3484, allocations: 7.938 kB / 0.8534 GB, free: 7.691 MB / 0.67 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00117/0.3496, allocations: 168 kB / 0.8535 GB, free: 7.527 MB / 0.67 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005402/0.3502, allocations: 338.8 kB / 0.8538 GB, free: 7.195 MB / 0.67 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01677/0.367, allocations: 7.245 MB / 0.8609 GB, free: 15.94 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 preOpt removeSimpleEquations (simulation): time 0.0417/0.4087, allocations: 29.03 MB / 0.8893 GB, free: 456 kB / 0.7012 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.007549/0.4163, allocations: 3.607 MB / 0.8928 GB, free: 12.67 MB / 0.7169 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002932/0.4166, allocations: 130.3 kB / 0.8929 GB, free: 12.53 MB / 0.7169 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.828e-05/0.4167, allocations: 51.88 kB / 0.893 GB, free: 12.47 MB / 0.7169 GB
Notification: Performance of pre-optimization done (n=176): time 5.551e-06/0.4167, allocations: 0 / 0.893 GB, free: 12.47 MB / 0.7169 GB
Notification: Performance of matching and sorting (n=221): time 0.08211/0.4988, allocations: 24.62 MB / 0.917 GB, free: 3.754 MB / 0.7325 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001391/0.499, allocations: 227.6 kB / 0.9172 GB, free: 3.484 MB / 0.7325 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002574/0.5016, allocations: 1.616 MB / 0.9188 GB, free: 1.855 MB / 0.7325 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004693/0.5021, allocations: 61.7 kB / 0.9189 GB, free: 1.789 MB / 0.7325 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001346/0.5034, allocations: 1.752 MB / 0.9206 GB, free: 12 kB / 0.7325 GB
Notification: Performance of collectInitialBindings (initialization): time 0.412/0.9154, allocations: 0.7531 MB / 0.9213 GB, free: 122 MB / 0.7325 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003228/0.9158, allocations: 63.41 kB / 0.9214 GB, free: 122 MB / 0.7325 GB
Notification: Performance of setup shared object (initialization): time 0.0002171/0.916, allocations: 435.5 kB / 0.9218 GB, free: 121.7 MB / 0.7325 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006133/0.9221, allocations: 2.407 MB / 0.9241 GB, free: 121.7 MB / 0.7325 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006385/0.9286, allocations: 3.504 MB / 0.9275 GB, free: 120.2 MB / 0.7325 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.005887/0.9345, allocations: 2.882 MB / 0.9304 GB, free: 119.3 MB / 0.7325 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.205e-05/0.9345, allocations: 10.5 kB / 0.9304 GB, free: 119.3 MB / 0.7325 GB
Notification: Performance of matching and sorting (n=400) (initialization): time 0.02657/0.9611, allocations: 9.852 MB / 0.94 GB, free: 116.8 MB / 0.7325 GB
Notification: Performance of prepare postOptimizeDAE: time 0.002304/0.9634, allocations: 13.84 MB / 0.9535 GB, free: 102 MB / 0.7325 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.643e-05/0.9635, allocations: 39.59 kB / 0.9535 GB, free: 102 MB / 0.7325 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01968/0.9832, allocations: 5.418 MB / 0.9588 GB, free: 101.5 MB / 0.7325 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004508/0.9878, allocations: 1.039 MB / 0.9599 GB, free: 101.4 MB / 0.7325 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03029/1.018, allocations: 19.24 MB / 0.9786 GB, free: 90.2 MB / 0.7325 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003919/1.022, allocations: 0.5781 MB / 0.9792 GB, free: 89.91 MB / 0.7325 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003452/1.022, allocations: 162 kB / 0.9794 GB, free: 89.88 MB / 0.7325 GB
Notification: Performance of prepare postOptimizeDAE: time 1.366e-05/1.022, allocations: 3.969 kB / 0.9794 GB, free: 89.88 MB / 0.7325 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.01761/1.04, allocations: 8.171 MB / 0.9873 GB, free: 83.89 MB / 0.7325 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001597/1.04, allocations: 32 kB / 0.9874 GB, free: 83.86 MB / 0.7325 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01175/1.052, allocations: 3.415 MB / 0.9907 GB, free: 80.45 MB / 0.7325 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004665/1.057, allocations: 1.154 MB / 0.9918 GB, free: 79.29 MB / 0.7325 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01517/1.072, allocations: 10.59 MB / 1.002 GB, free: 68.55 MB / 0.7325 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003864/1.076, allocations: 0.538 MB / 1.003 GB, free: 68.01 MB / 0.7325 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003594/1.076, allocations: 166.9 kB / 1.003 GB, free: 67.85 MB / 0.7325 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 159
 * 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 (330):
 * Single equations (assignments): 328
 * 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: 2
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 1 {(6,100.0%) 30}
 * Non-linear torn systems: 1 {6 30}
Notification: Performance of prepare postOptimizeDAE: time 0.002304/1.078, allocations: 1.697 MB / 1.005 GB, free: 66.14 MB / 0.7325 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004473/1.079, allocations: 197.7 kB / 1.005 GB, free: 65.95 MB / 0.7325 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02014/1.099, allocations: 8.671 MB / 1.013 GB, free: 57.25 MB / 0.7325 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.87e-05/1.099, allocations: 25.17 kB / 1.013 GB, free: 57.22 MB / 0.7325 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.402e-05/1.099, allocations: 8 kB / 1.013 GB, free: 57.21 MB / 0.7325 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.488e-05/1.099, allocations: 15.95 kB / 1.013 GB, free: 57.2 MB / 0.7325 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.02701/1.126, allocations: 13.96 MB / 1.027 GB, free: 43.14 MB / 0.7325 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.562e-05/1.126, allocations: 8 kB / 1.027 GB, free: 43.13 MB / 0.7325 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003063/1.129, allocations: 0.7184 MB / 1.028 GB, free: 42.41 MB / 0.7325 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01667/1.146, allocations: 5.103 MB / 1.033 GB, free: 37.3 MB / 0.7325 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004049/1.147, allocations: 75.95 kB / 1.033 GB, free: 37.22 MB / 0.7325 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02452/1.171, allocations: 18.2 MB / 1.05 GB, free: 18.76 MB / 0.7325 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.743e-06/1.171, allocations: 11.94 kB / 1.05 GB, free: 18.75 MB / 0.7325 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02006/1.191, allocations: 9.224 MB / 1.059 GB, free: 9.152 MB / 0.7325 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002055/1.193, allocations: 0.639 MB / 1.06 GB, free: 8.492 MB / 0.7325 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004726/1.194, allocations: 51.98 kB / 1.06 GB, free: 8.441 MB / 0.7325 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00306/1.197, allocations: 499.2 kB / 1.061 GB, free: 7.953 MB / 0.7325 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005865/1.197, allocations: 189.5 kB / 1.061 GB, free: 7.766 MB / 0.7325 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001755/1.198, allocations: 83.95 kB / 1.061 GB, free: 7.684 MB / 0.7325 GB
Notification: Performance of sorting global known variables: time 0.001368/1.199, allocations: 1.083 MB / 1.062 GB, free: 6.602 MB / 0.7325 GB
Notification: Performance of sort global known variables: time 5.31e-07/1.199, allocations: 0 / 1.062 GB, free: 6.602 MB / 0.7325 GB
Notification: Performance of remove unused functions: time 0.005003/1.204, allocations: 1.734 MB / 1.064 GB, free: 4.871 MB / 0.7325 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 34
 * 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 (154):
 * Single equations (assignments): 152
 * 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: 2
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 1 {(6,100.0%) 30}
 * Non-linear torn systems: 1 {6 30}
Notification: Performance of Backend phase and start with SimCode phase: time 0.0003311/1.204, allocations: 174.3 kB / 1.064 GB, free: 4.691 MB / 0.7325 GB
Notification: Performance of simCode: created initialization part: time 0.02331/1.228, allocations: 10.69 MB / 1.074 GB, free: 9.973 MB / 0.7481 GB
Notification: Performance of simCode: created event and clocks part: time 8.045e-06/1.228, allocations: 0 / 1.074 GB, free: 9.973 MB / 0.7481 GB
Notification: Performance of simCode: created simulation system equations: time 0.009197/1.237, allocations: 3.777 MB / 1.078 GB, free: 6.176 MB / 0.7481 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001391/1.238, allocations: 229.5 kB / 1.078 GB, free: 5.957 MB / 0.7481 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02361/1.262, allocations: 10.74 MB / 1.089 GB, free: 11.1 MB / 0.7637 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003061/1.265, allocations: 2.985 MB / 1.091 GB, free: 8.082 MB / 0.7637 GB
Notification: Performance of simCode: alias equations: time 0.005232/1.27, allocations: 1.679 MB / 1.093 GB, free: 6.406 MB / 0.7637 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006147/1.271, allocations: 171.3 kB / 1.093 GB, free: 6.238 MB / 0.7637 GB
Notification: Performance of SimCode: time 1.333e-06/1.271, allocations: 3.938 kB / 1.093 GB, free: 6.234 MB / 0.7637 GB
Notification: Performance of Templates: time 0.08439/1.355, allocations: 59.43 MB / 1.151 GB, free: 10.96 MB / 0.8262 GB
make -j1 -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YY.makefile
Environment - environmentSimulation:
(rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YY.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YY.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YY.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YY.sim & ./Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YY  -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YY.pipe 2>&1)
Environment - environmentSimulation: