Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr ModelicaTest_3.2.2_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpDefault.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/ModelicaTest 3.2.2+maint.om/package.mo", uses=false) Using package ModelicaTest with version 3.2.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.2+maint.om/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(ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpDefault,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="ModelicaTest_3.2.2_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpDefault") translateModel(ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpDefault,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="ModelicaTest_3.2.2_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpDefault") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00096/0.00096, allocations: 98.27 kB / 15.36 MB, free: 0.7344 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.007812/0.007812, allocations: 170.3 kB / 16.27 MB, free: 6.648 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.784/1.784, allocations: 205.4 MB / 222.4 MB, free: 5.578 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.2+maint.om/package.mo): time 0.4124/0.4124, allocations: 40 MB / 310.7 MB, free: 9.906 MB / 254.1 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: ModelicaTest requested package Modelica of version 3.2.2. Modelica 3.2.3 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.0006308/0.0006308, allocations: 12 kB / 379.5 MB, free: 12.26 MB / 318.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1422/0.1429, allocations: 57.96 MB / 437.4 MB, free: 2.195 MB / 366.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpDefault): time 0.323/0.4659, allocations: 42.09 MB / 479.5 MB, free: 28.33 MB / 382.1 MB Notification: Performance of NFInst.instExpressions: time 0.02346/0.4894, allocations: 21.03 MB / 0.4888 GB, free: 14.9 MB / 382.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001902/0.4914, allocations: 27.97 kB / 0.4888 GB, free: 14.89 MB / 382.1 MB Notification: Performance of NFTyping.typeComponents: time 0.00132/0.4927, allocations: 381.2 kB / 0.4892 GB, free: 14.68 MB / 382.1 MB Notification: Performance of NFTyping.typeBindings: time 0.01525/0.508, allocations: 4.188 MB / 0.4933 GB, free: 12.75 MB / 382.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.007221/0.5152, allocations: 2.089 MB / 0.4953 GB, free: 11.62 MB / 382.1 MB Notification: Performance of NFFlatten.flatten: time 0.003689/0.5189, allocations: 2.106 MB / 0.4974 GB, free: 10.81 MB / 382.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0008238/0.5197, allocations: 380.6 kB / 0.4977 GB, free: 10.67 MB / 382.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.001732/0.5215, allocations: 0.6479 MB / 0.4984 GB, free: 10.39 MB / 382.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.008385/0.5299, allocations: 3.652 MB / 0.5019 GB, free: 8.734 MB / 382.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0002478/0.5302, allocations: 31.56 kB / 0.502 GB, free: 8.734 MB / 382.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.02028/0.5504, allocations: 7.706 MB / 0.5095 GB, free: 6.727 MB / 382.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0004044/0.5509, allocations: 156.7 kB / 0.5096 GB, free: 6.652 MB / 382.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0008198/0.5517, allocations: 411.5 kB / 0.51 GB, free: 6.422 MB / 382.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01664/0.5684, allocations: 5.237 MB / 0.5152 GB, free: 3.52 MB / 382.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.591e-06/0.5684, allocations: 0 / 0.5152 GB, free: 3.52 MB / 382.1 MB Notification: Performance of FrontEnd: time 3.817e-06/0.5685, allocations: 0 / 0.5152 GB, free: 3.52 MB / 382.1 MB Notification: Performance of Transformations before backend: time 4.833e-05/0.5685, allocations: 5.094 kB / 0.5152 GB, free: 3.516 MB / 382.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 142 * Number of variables: 142 Notification: Performance of Generate backend data structure: time 0.006917/0.5754, allocations: 1.535 MB / 0.5167 GB, free: 2.422 MB / 382.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.457e-05/0.5755, allocations: 13.88 kB / 0.5167 GB, free: 2.418 MB / 382.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002544/0.5781, allocations: 315.8 kB / 0.517 GB, free: 2.289 MB / 382.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00104/0.5791, allocations: 0.5303 MB / 0.5175 GB, free: 1.824 MB / 382.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.256e-05/0.5792, allocations: 53.81 kB / 0.5175 GB, free: 1.797 MB / 382.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001345/0.5794, allocations: 53.28 kB / 0.5176 GB, free: 1.781 MB / 382.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002724/0.5821, allocations: 1.004 MB / 0.5186 GB, free: 1.137 MB / 382.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.787e-05/0.5821, allocations: 4.906 kB / 0.5186 GB, free: 1.133 MB / 382.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001024/0.5822, allocations: 27.41 kB / 0.5186 GB, free: 1.113 MB / 382.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.762e-05/0.5823, allocations: 20.84 kB / 0.5186 GB, free: 1.113 MB / 382.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002574/0.5849, allocations: 0.9171 MB / 0.5195 GB, free: 0.6914 MB / 382.1 MB 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 0.006565/0.5915, allocations: 4.783 MB / 0.5242 GB, free: 12.28 MB / 398.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.002566/0.594, allocations: 0.7595 MB / 0.5249 GB, free: 11.91 MB / 398.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0007234/0.5948, allocations: 341.7 kB / 0.5253 GB, free: 11.74 MB / 398.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.05253/0.6473, allocations: 24.43 MB / 0.5491 GB, free: 2.719 MB / 414.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.077e-05/0.6474, allocations: 38.56 kB / 0.5492 GB, free: 2.672 MB / 414.1 MB Notification: Performance of pre-optimization done (n=43): time 3.296e-06/0.6475, allocations: 0 / 0.5492 GB, free: 2.672 MB / 414.1 MB Notification: Performance of matching and sorting (n=43): time 0.007706/0.6552, allocations: 1.838 MB / 0.551 GB, free: 0.8047 MB / 414.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 7.431e-05/0.6553, allocations: 106.8 kB / 0.5511 GB, free: 0.6758 MB / 414.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0009093/0.6562, allocations: 0.5261 MB / 0.5516 GB, free: 140 kB / 414.1 MB Notification: Performance of collectPreVariables (initialization): time 8.175e-05/0.6563, allocations: 33.7 kB / 0.5516 GB, free: 100 kB / 414.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0003247/0.6566, allocations: 328.1 kB / 0.5519 GB, free: 15.77 MB / 430.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.000186/0.6568, allocations: 145.9 kB / 0.552 GB, free: 15.63 MB / 430.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001109/0.6569, allocations: 57.69 kB / 0.5521 GB, free: 15.57 MB / 430.1 MB Notification: Performance of setup shared object (initialization): time 0.000174/0.6571, allocations: 362.8 kB / 0.5525 GB, free: 15.2 MB / 430.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007198/0.6579, allocations: 284.9 kB / 0.5527 GB, free: 14.93 MB / 430.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008177/0.6587, allocations: 454.9 kB / 0.5532 GB, free: 14.41 MB / 430.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001466/0.6602, allocations: 0.6982 MB / 0.5538 GB, free: 13.64 MB / 430.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.711e-06/0.6602, allocations: 0 / 0.5538 GB, free: 13.64 MB / 430.1 MB Notification: Performance of matching and sorting (n=68) (initialization): time 0.002319/0.6625, allocations: 0.9104 MB / 0.5547 GB, free: 12.71 MB / 430.1 MB Notification: Performance of prepare postOptimizeDAE: time 0.0002089/0.6627, allocations: 248.3 kB / 0.555 GB, free: 12.4 MB / 430.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.093e-05/0.6628, allocations: 8 kB / 0.555 GB, free: 12.39 MB / 430.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.002182/0.665, allocations: 368.5 kB / 0.5553 GB, free: 12.03 MB / 430.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005741/0.6656, allocations: 139.7 kB / 0.5555 GB, free: 11.89 MB / 430.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00155/0.6671, allocations: 0.8412 MB / 0.5563 GB, free: 11.02 MB / 430.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001211/0.6684, allocations: 115.4 kB / 0.5564 GB, free: 10.91 MB / 430.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001194/0.6685, allocations: 35.98 kB / 0.5564 GB, free: 10.88 MB / 430.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.367e-05/0.6685, allocations: 7.938 kB / 0.5564 GB, free: 10.87 MB / 430.1 MB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.00252/0.6711, allocations: 0.8276 MB / 0.5572 GB, free: 10.04 MB / 430.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.213e-05/0.6711, allocations: 4 kB / 0.5572 GB, free: 10.03 MB / 430.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0009841/0.6721, allocations: 221.2 kB / 0.5575 GB, free: 9.812 MB / 430.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004665/0.6725, allocations: 135.8 kB / 0.5576 GB, free: 9.68 MB / 430.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001143/0.6737, allocations: 0.7981 MB / 0.5584 GB, free: 8.855 MB / 430.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009401/0.6747, allocations: 107.4 kB / 0.5585 GB, free: 8.75 MB / 430.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.429e-05/0.6748, allocations: 39.92 kB / 0.5585 GB, free: 8.711 MB / 430.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 23 * Number of states: 0 () * Number of discrete variables: 6 (pump.heatTransfer.states[1].phase,Sink.medium.phase,Source.medium.phase,Valve.state_b.phase,Valve.state_a.phase,pump.monitoring.state_in.phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (55): * Single equations (assignments): 54 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(2,12)} Notification: Performance of prepare postOptimizeDAE: time 0.0006996/0.6755, allocations: 280.9 kB / 0.5588 GB, free: 8.426 MB / 430.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003296/0.6758, allocations: 63.19 kB / 0.5588 GB, free: 8.363 MB / 430.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004955/0.6808, allocations: 3.112 MB / 0.5619 GB, free: 5.234 MB / 430.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.46e-05/0.6809, allocations: 47.91 kB / 0.5619 GB, free: 5.188 MB / 430.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.109e-05/0.6809, allocations: 0 / 0.5619 GB, free: 5.188 MB / 430.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.238e-06/0.6809, allocations: 3.938 kB / 0.5619 GB, free: 5.184 MB / 430.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002088/0.683, allocations: 1.493 MB / 0.5634 GB, free: 3.645 MB / 430.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.939e-06/0.683, allocations: 4 kB / 0.5634 GB, free: 3.641 MB / 430.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003501/0.6834, allocations: 91.88 kB / 0.5635 GB, free: 3.551 MB / 430.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.00234/0.6857, allocations: 1.057 MB / 0.5645 GB, free: 2.488 MB / 430.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.727e-05/0.6858, allocations: 19.98 kB / 0.5645 GB, free: 2.469 MB / 430.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001751/0.6876, allocations: 1.493 MB / 0.566 GB, free: 0.9531 MB / 430.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.835e-06/0.6876, allocations: 0 / 0.566 GB, free: 0.9531 MB / 430.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00318/0.6908, allocations: 2.122 MB / 0.568 GB, free: 14.8 MB / 446.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0005678/0.6913, allocations: 326.7 kB / 0.5684 GB, free: 14.46 MB / 446.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001517/0.6915, allocations: 12 kB / 0.5684 GB, free: 14.45 MB / 446.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006476/0.6922, allocations: 87.77 kB / 0.5685 GB, free: 14.37 MB / 446.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001311/0.6923, allocations: 48.48 kB / 0.5685 GB, free: 14.32 MB / 446.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.756e-05/0.6923, allocations: 16 kB / 0.5685 GB, free: 14.3 MB / 446.1 MB Notification: Performance of sorting global known variables: time 0.0006583/0.693, allocations: 479 kB / 0.569 GB, free: 13.84 MB / 446.1 MB Notification: Performance of sort global known variables: time 3e-07/0.693, allocations: 0 / 0.569 GB, free: 13.84 MB / 446.1 MB Notification: Performance of remove unused functions: time 0.005473/0.6985, allocations: 1.358 MB / 0.5703 GB, free: 12.48 MB / 446.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 25 ($cse3.phase,$cse3.region,$cse5.region3boundary,$cse6.region3boundary,$cse7.phase,$cse7.region,$cse8.phase,$cse8.region,$cse9.region3boundary,$cse10.region3boundary,$cse11.phase,$cse11.region,$cse12.phase,$cse12.region,$cse15.phase,$cse15.region,$cse16.phase,$cse16.region,$cse18.phase,$cse18.region,$cse19.phase,$cse19.region,Source.medium.phase,Sink.medium.phase,pump.heatTransfer.states[1].phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (40): * Single equations (assignments): 30 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 9 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(2,18)} Notification: Performance of Backend phase and start with SimCode phase: time 0.00814/0.7067, allocations: 1.405 MB / 0.5717 GB, free: 11.08 MB / 446.1 MB Notification: Performance of simCode: created initialization part: time 0.003353/0.71, allocations: 1.434 MB / 0.5731 GB, free: 9.648 MB / 446.1 MB Notification: Performance of simCode: created event and clocks part: time 5.701e-06/0.7101, allocations: 0 / 0.5731 GB, free: 9.648 MB / 446.1 MB Notification: Performance of simCode: created simulation system equations: time 0.001306/0.7114, allocations: 0.8201 MB / 0.5739 GB, free: 8.832 MB / 446.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002277/0.7137, allocations: 322.6 kB / 0.5742 GB, free: 8.516 MB / 446.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004339/0.718, allocations: 2.982 MB / 0.5771 GB, free: 5.512 MB / 446.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007006/0.7187, allocations: 1.134 MB / 0.5782 GB, free: 4.344 MB / 446.1 MB Notification: Performance of simCode: alias equations: time 0.00128/0.72, allocations: 0.7679 MB / 0.579 GB, free: 3.582 MB / 446.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001671/0.7202, allocations: 51.44 kB / 0.579 GB, free: 3.531 MB / 446.1 MB Notification: Performance of SimCode: time 5e-07/0.7202, allocations: 3.938 kB / 0.579 GB, free: 3.527 MB / 446.1 MB Notification: Performance of Templates: time 0.08186/0.8021, allocations: 48.95 MB / 0.6268 GB, free: 2.566 MB / 494.1 MB make -j1 -f ModelicaTest_3.2.2_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpDefault.makefile Environment - environmentSimulation: (rm -f ModelicaTest_3.2.2_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpDefault.pipe ; mkfifo ModelicaTest_3.2.2_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpDefault.pipe ; head -c 1048576 < ModelicaTest_3.2.2_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpDefault.pipe >> ../files/ModelicaTest_3.2.2_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpDefault.sim & ./ModelicaTest_3.2.2_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpDefault -abortSlowSimulation -alarm=480 -lv LOG_STATS > ModelicaTest_3.2.2_ModelicaTest.Fluid.TestComponents.Machines.TestWaterPumpDefault.pipe 2>&1) Environment - environmentSimulation: