Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY.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.BalancedStepUp.DY,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0009866/0.0009867, allocations: 100.9 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 0.00117/0.001171, 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 3.2.3+maint.om/package.mo): time 1.564/1.564, allocations: 205.4 MB / 222.1 MB, free: 5.668 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 1.658/1.658, allocations: 292.5 MB / 0.5497 GB, free: 14.62 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 0.0005276/0.0005277, allocations: 16.22 kB / 0.6736 GB, free: 26.21 MB / 0.5294 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2563/0.2568, allocations: 116.3 MB / 0.7871 GB, free: 11.95 MB / 0.6075 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY): time 0.01838/0.2752, allocations: 16.1 MB / 0.8029 GB, free: 11.8 MB / 0.6231 GB
Notification: Performance of NFInst.instExpressions: time 0.01141/0.2867, allocations: 6.427 MB / 0.8091 GB, free: 5.352 MB / 0.6231 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001882/0.2886, allocations: 43.88 kB / 0.8092 GB, free: 5.309 MB / 0.6231 GB
Notification: Performance of NFTyping.typeComponents: time 0.001194/0.2898, allocations: 413.5 kB / 0.8096 GB, free: 4.902 MB / 0.6231 GB
Notification: Performance of NFTyping.typeBindings: time 0.003174/0.293, allocations: 0.8139 MB / 0.8104 GB, free: 4.086 MB / 0.6231 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003051/0.2961, allocations: 0.7953 MB / 0.8111 GB, free: 3.289 MB / 0.6231 GB
Notification: Performance of NFFlatten.flatten: time 0.004852/0.301, allocations: 2.425 MB / 0.8135 GB, free: 0.8594 MB / 0.6231 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0132/0.3142, allocations: 7.94 MB / 0.8213 GB, free: 8.848 MB / 0.6387 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003121/0.3173, allocations: 1.402 MB / 0.8226 GB, free: 7.441 MB / 0.6387 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.00338/0.3207, allocations: 1.737 MB / 0.8243 GB, free: 5.699 MB / 0.6387 GB
Notification: Performance of NFPackage.collectConstants: time 0.00113/0.3219, allocations: 251.9 kB / 0.8246 GB, free: 5.453 MB / 0.6387 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002221/0.3241, allocations: 0.6516 MB / 0.8252 GB, free: 4.801 MB / 0.6387 GB
Notification: Performance of NFScalarize.scalarize: time 0.00278/0.3269, allocations: 1.789 MB / 0.827 GB, free: 3.008 MB / 0.6387 GB
Notification: Performance of NFVerifyModel.verify: time 0.001645/0.3286, allocations: 0.7147 MB / 0.8277 GB, free: 2.285 MB / 0.6387 GB
Notification: Performance of NFConvertDAE.convert: time 0.007561/0.3361, allocations: 6.682 MB / 0.8342 GB, free: 11.59 MB / 0.6544 GB
Notification: Performance of FrontEnd - DAE generated: time 3.376e-06/0.3362, allocations: 0 / 0.8342 GB, free: 11.59 MB / 0.6544 GB
Notification: Performance of FrontEnd: time 2.635e-06/0.3362, allocations: 0 / 0.8342 GB, free: 11.59 MB / 0.6544 GB
Notification: Performance of Transformations before backend: time 0.0002503/0.3364, allocations: 0 / 0.8342 GB, free: 11.59 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: 1023
 * Number of variables: 1023
Notification: Performance of Generate backend data structure: time 0.007879/0.3443, allocations: 3.188 MB / 0.8373 GB, free: 8.336 MB / 0.6544 GB
Notification: Performance of prepare preOptimizeDAE: time 4.315e-05/0.3444, allocations: 8.031 kB / 0.8373 GB, free: 8.328 MB / 0.6544 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01295/0.3573, allocations: 2.453 MB / 0.8397 GB, free: 5.867 MB / 0.6544 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005983/0.3634, allocations: 2.186 MB / 0.8418 GB, free: 3.633 MB / 0.6544 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003529/0.3638, allocations: 279.3 kB / 0.8421 GB, free: 3.359 MB / 0.6544 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001712/0.3655, allocations: 359.9 kB / 0.8424 GB, free: 3.008 MB / 0.6544 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01615/0.3816, allocations: 7.284 MB / 0.8496 GB, free: 11.6 MB / 0.67 GB
Notification: Performance of preOpt findStateOrder (simulation): time 8.632e-05/0.3818, allocations: 3.938 kB / 0.8496 GB, free: 11.6 MB / 0.67 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004955/0.3823, allocations: 152 kB / 0.8497 GB, free: 11.45 MB / 0.67 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004789/0.3828, allocations: 338.3 kB / 0.85 GB, free: 11.12 MB / 0.67 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01577/0.3985, allocations: 7.099 MB / 0.857 GB, free: 4.008 MB / 0.67 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 0.03219/0.4308, allocations: 28.54 MB / 0.8848 GB, free: 4.996 MB / 0.7012 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0073/0.4381, allocations: 4.159 MB / 0.8889 GB, free: 0.6133 MB / 0.7012 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002476/0.4384, allocations: 139 kB / 0.889 GB, free: 472 kB / 0.7012 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.03e-05/0.4384, allocations: 60.48 kB / 0.8891 GB, free: 404 kB / 0.7012 GB
Notification: Performance of pre-optimization done (n=198): time 3.617e-06/0.4384, allocations: 0 / 0.8891 GB, free: 404 kB / 0.7012 GB
Notification: Performance of matching and sorting (n=255): time 0.08168/0.5201, allocations: 26.72 MB / 0.9152 GB, free: 5.504 MB / 0.7325 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001309/0.5203, allocations: 239.6 kB / 0.9154 GB, free: 5.219 MB / 0.7325 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002122/0.5224, allocations: 1.404 MB / 0.9168 GB, free: 3.805 MB / 0.7325 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004593/0.5229, allocations: 69.7 kB / 0.9168 GB, free: 3.73 MB / 0.7325 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0009278/0.5238, allocations: 1.547 MB / 0.9184 GB, free: 2.164 MB / 0.7325 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0007493/0.5246, allocations: 0.8703 MB / 0.9192 GB, free: 1.281 MB / 0.7325 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002/0.5248, allocations: 60 kB / 0.9193 GB, free: 1.223 MB / 0.7325 GB
Notification: Performance of setup shared object (initialization): time 0.0001884/0.525, allocations: 436.4 kB / 0.9197 GB, free: 0.7891 MB / 0.7325 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.3967/0.9216, allocations: 2.52 MB / 0.9221 GB, free: 122.2 MB / 0.7325 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006709/0.9284, allocations: 3.415 MB / 0.9255 GB, free: 121.2 MB / 0.7325 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.005907/0.9343, allocations: 2.963 MB / 0.9284 GB, free: 120.4 MB / 0.7325 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.05e-05/0.9344, allocations: 11.03 kB / 0.9284 GB, free: 120.4 MB / 0.7325 GB
Notification: Performance of matching and sorting (n=396) (initialization): time 0.02863/0.963, allocations: 10.24 MB / 0.9384 GB, free: 117.8 MB / 0.7325 GB
Notification: Performance of prepare postOptimizeDAE: time 0.001956/0.965, allocations: 10.54 MB / 0.9487 GB, free: 106.6 MB / 0.7325 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.437e-05/0.9651, allocations: 26.53 kB / 0.9487 GB, free: 106.6 MB / 0.7325 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0211/0.9862, allocations: 5.675 MB / 0.9542 GB, free: 105.9 MB / 0.7325 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004523/0.9908, allocations: 0.982 MB / 0.9552 GB, free: 105.9 MB / 0.7325 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03621/1.027, allocations: 22.6 MB / 0.9773 GB, free: 92.85 MB / 0.7325 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004249/1.031, allocations: 0.5515 MB / 0.9778 GB, free: 92.59 MB / 0.7325 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006401/1.032, allocations: 145.5 kB / 0.9779 GB, free: 92.55 MB / 0.7325 GB
Notification: Performance of prepare postOptimizeDAE: time 1.228e-05/1.032, allocations: 3.656 kB / 0.9779 GB, free: 92.55 MB / 0.7325 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.02071/1.053, allocations: 8.416 MB / 0.9862 GB, free: 85.39 MB / 0.7325 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001135/1.053, allocations: 28 kB / 0.9862 GB, free: 85.36 MB / 0.7325 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01219/1.065, allocations: 3.536 MB / 0.9896 GB, free: 81.82 MB / 0.7325 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004868/1.07, allocations: 1.127 MB / 0.9907 GB, free: 80.69 MB / 0.7325 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01779/1.088, allocations: 12.3 MB / 1.003 GB, free: 68.32 MB / 0.7325 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003864/1.092, allocations: 0.5264 MB / 1.003 GB, free: 67.79 MB / 0.7325 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003144/1.092, allocations: 147.9 kB / 1.003 GB, free: 67.64 MB / 0.7325 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 121
 * 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 (302):
 * Single equations (assignments): 300
 * 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%) 42}
 * Non-linear torn systems: 1 {6 42}
Notification: Performance of prepare postOptimizeDAE: time 0.002337/1.094, allocations: 1.618 MB / 1.005 GB, free: 66.03 MB / 0.7325 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004925/1.095, allocations: 189.8 kB / 1.005 GB, free: 65.84 MB / 0.7325 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02159/1.117, allocations: 9.837 MB / 1.015 GB, free: 55.96 MB / 0.7325 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.921e-05/1.117, allocations: 24.56 kB / 1.015 GB, free: 55.94 MB / 0.7325 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.526e-05/1.117, allocations: 12 kB / 1.015 GB, free: 55.93 MB / 0.7325 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.102e-05/1.117, allocations: 14.36 kB / 1.015 GB, free: 55.91 MB / 0.7325 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.02844/1.145, allocations: 14.88 MB / 1.029 GB, free: 40.93 MB / 0.7325 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.168e-05/1.145, allocations: 8 kB / 1.029 GB, free: 40.92 MB / 0.7325 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003209/1.148, allocations: 0.7261 MB / 1.03 GB, free: 40.2 MB / 0.7325 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01753/1.166, allocations: 5.342 MB / 1.035 GB, free: 34.84 MB / 0.7325 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004648/1.167, allocations: 71.95 kB / 1.035 GB, free: 34.77 MB / 0.7325 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02919/1.196, allocations: 21.47 MB / 1.056 GB, free: 13.04 MB / 0.7325 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.314e-06/1.196, allocations: 11.94 kB / 1.056 GB, free: 13.03 MB / 0.7325 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02178/1.218, allocations: 9.746 MB / 1.066 GB, free: 3.02 MB / 0.7325 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002058/1.22, allocations: 0.6934 MB / 1.067 GB, free: 2.309 MB / 0.7325 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004104/1.22, allocations: 52.23 kB / 1.067 GB, free: 2.258 MB / 0.7325 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003129/1.223, allocations: 0.5099 MB / 1.067 GB, free: 1.75 MB / 0.7325 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005691/1.224, allocations: 210.4 kB / 1.067 GB, free: 1.547 MB / 0.7325 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001778/1.224, allocations: 83.95 kB / 1.067 GB, free: 1.465 MB / 0.7325 GB
Notification: Performance of sorting global known variables: time 0.001119/1.225, allocations: 0.9925 MB / 1.068 GB, free: 480 kB / 0.7325 GB
Notification: Performance of sort global known variables: time 1.9e-07/1.225, allocations: 4 kB / 1.068 GB, free: 476 kB / 0.7325 GB
Notification: Performance of remove unused functions: time 0.005456/1.231, allocations: 1.754 MB / 1.07 GB, free: 14.71 MB / 0.7481 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 (158):
 * Single equations (assignments): 156
 * 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%) 42}
 * Non-linear torn systems: 1 {6 42}
Notification: Performance of Backend phase and start with SimCode phase: time 0.0005134/1.231, allocations: 173.7 kB / 1.07 GB, free: 14.54 MB / 0.7481 GB
Notification: Performance of simCode: created initialization part: time 0.029/1.26, allocations: 11.29 MB / 1.081 GB, free: 3.203 MB / 0.7481 GB
Notification: Performance of simCode: created event and clocks part: time 1.222e-05/1.26, allocations: 4 kB / 1.081 GB, free: 3.199 MB / 0.7481 GB
Notification: Performance of simCode: created simulation system equations: time 0.01094/1.271, allocations: 4.133 MB / 1.085 GB, free: 15.04 MB / 0.7637 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001756/1.273, allocations: 212.7 kB / 1.085 GB, free: 14.83 MB / 0.7637 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02562/1.299, allocations: 11.06 MB / 1.096 GB, free: 3.664 MB / 0.7637 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003153/1.302, allocations: 2.907 MB / 1.099 GB, free: 0.7266 MB / 0.7637 GB
Notification: Performance of simCode: alias equations: time 0.004983/1.307, allocations: 1.656 MB / 1.101 GB, free: 15.07 MB / 0.7794 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005738/1.307, allocations: 167.3 kB / 1.101 GB, free: 14.91 MB / 0.7794 GB
Notification: Performance of SimCode: time 6.71e-07/1.307, allocations: 0 / 1.101 GB, free: 14.91 MB / 0.7794 GB
Notification: Performance of Templates: time 0.09304/1.4, allocations: 64.62 MB / 1.164 GB, free: 14.44 MB / 0.8419 GB
make -j1 -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY.makefile
Environment - environmentSimulation:
(rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY.sim & ./Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY  -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY.pipe 2>&1)
Environment - environmentSimulation: