Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Fluid.HeatPumps.ModularReversible.Controls.Safety.Examples.MinimalFlowRate.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.001404/0.001404, allocations: 102.1 kB / 19.7 MB, free: 2.254 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.001919/0.001919, allocations: 220.1 kB / 23.01 MB, free: 4.609 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 1.455/1.455, allocations: 230.6 MB / 256.8 MB, free: 8.055 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.x/package.mo): time 2.686/2.686, allocations: 476.8 MB / 0.7714 GB, free: 4.277 MB / 0.6231 GB " [Timeout remaining time 177] Using package Buildings with version 11.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.x/package.mo) Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo) Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo) Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo) Running command: translateModel(Buildings.Fluid.HeatPumps.ModularReversible.Controls.Safety.Examples.MinimalFlowRate,tolerance=1e-08,outputFormat="mat",numberOfIntervals=100,variableFilter="time|ySet|yOut|minFloRatSaf.sigBus.mEvaMea_flow|minFloRatSaf.sigBus.mConMea_flow|minFloRatSaf.mEvaMin_flow|minFloRatSaf.mConMin_flow",fileNamePrefix="Buildings_11_Buildings.Fluid.HeatPumps.ModularReversible.Controls.Safety.Examples.MinimalFlowRate") translateModel(Buildings.Fluid.HeatPumps.ModularReversible.Controls.Safety.Examples.MinimalFlowRate,tolerance=1e-08,outputFormat="mat",numberOfIntervals=100,variableFilter="time|ySet|yOut|minFloRatSaf.sigBus.mEvaMea_flow|minFloRatSaf.sigBus.mConMea_flow|minFloRatSaf.mEvaMin_flow|minFloRatSaf.mConMin_flow",fileNamePrefix="Buildings_11_Buildings.Fluid.HeatPumps.ModularReversible.Controls.Safety.Examples.MinimalFlowRate") [Timeout 300] "Notification: Buildings requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.002006/0.002006, allocations: 64.83 kB / 1.119 GB, free: 40.36 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3333/0.3353, allocations: 170 MB / 1.285 GB, free: 11.24 MB / 0.9825 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatPumps.ModularReversible.Controls.Safety.Examples.MinimalFlowRate): time 0.003678/0.339, allocations: 2.083 MB / 1.287 GB, free: 9.148 MB / 0.9825 GB Notification: Performance of NFInst.instExpressions: time 0.001252/0.3403, allocations: 0.6234 MB / 1.287 GB, free: 8.52 MB / 0.9825 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001357/0.3404, allocations: 0 / 1.287 GB, free: 8.52 MB / 0.9825 GB Notification: Performance of NFTyping.typeComponents: time 0.0001286/0.3405, allocations: 27.67 kB / 1.287 GB, free: 8.492 MB / 0.9825 GB Notification: Performance of NFTyping.typeBindings: time 0.0001555/0.3407, allocations: 47.59 kB / 1.287 GB, free: 8.445 MB / 0.9825 GB Notification: Performance of NFTyping.typeClassSections: time 0.000264/0.3409, allocations: 91.81 kB / 1.287 GB, free: 8.355 MB / 0.9825 GB Notification: Performance of NFFlatten.flatten: time 0.0003447/0.3413, allocations: 287.3 kB / 1.288 GB, free: 8.074 MB / 0.9825 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002348/0.3415, allocations: 87.88 kB / 1.288 GB, free: 7.984 MB / 0.9825 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001739/0.3417, allocations: 127.6 kB / 1.288 GB, free: 7.859 MB / 0.9825 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001799/0.3419, allocations: 135.4 kB / 1.288 GB, free: 7.727 MB / 0.9825 GB Notification: Performance of NFPackage.collectConstants: time 5.006e-05/0.3419, allocations: 28 kB / 1.288 GB, free: 7.699 MB / 0.9825 GB Notification: Performance of NFFlatten.collectFunctions: time 5.054e-05/0.342, allocations: 36 kB / 1.288 GB, free: 7.664 MB / 0.9825 GB Notification: Performance of NFScalarize.scalarize: time 6.596e-05/0.342, allocations: 59.83 kB / 1.288 GB, free: 7.605 MB / 0.9825 GB Notification: Performance of NFVerifyModel.verify: time 0.0001287/0.3422, allocations: 123.4 kB / 1.288 GB, free: 7.484 MB / 0.9825 GB Notification: Performance of NFConvertDAE.convert: time 0.0003895/0.3426, allocations: 298.8 kB / 1.289 GB, free: 7.191 MB / 0.9825 GB Notification: Performance of FrontEnd - DAE generated: time 4.248e-06/0.3426, allocations: 0 / 1.289 GB, free: 7.191 MB / 0.9825 GB Notification: Performance of FrontEnd: time 1.603e-06/0.3426, allocations: 0 / 1.289 GB, free: 7.191 MB / 0.9825 GB Notification: Performance of Transformations before backend: time 6.653e-06/0.3426, allocations: 0 / 1.289 GB, free: 7.191 MB / 0.9825 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 47 * Number of variables: 47 Notification: Performance of Generate backend data structure: time 0.001263/0.3438, allocations: 0.6006 MB / 1.289 GB, free: 6.539 MB / 0.9825 GB Notification: Performance of prepare preOptimizeDAE: time 4.469e-05/0.3439, allocations: 8.031 kB / 1.289 GB, free: 6.531 MB / 0.9825 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 9.038e-05/0.344, allocations: 32.75 kB / 1.289 GB, free: 6.5 MB / 0.9825 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004037/0.3444, allocations: 199.6 kB / 1.289 GB, free: 6.277 MB / 0.9825 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.141e-05/0.3444, allocations: 16.81 kB / 1.289 GB, free: 6.262 MB / 0.9825 GB Notification: Performance of preOpt expandDerOperator (simulation): time 4.4e-05/0.3445, allocations: 28.36 kB / 1.289 GB, free: 6.234 MB / 0.9825 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0006481/0.3451, allocations: 287.5 kB / 1.29 GB, free: 5.934 MB / 0.9825 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.067e-05/0.3451, allocations: 0 / 1.29 GB, free: 5.934 MB / 0.9825 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.042e-05/0.3452, allocations: 11.98 kB / 1.29 GB, free: 5.922 MB / 0.9825 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.615e-06/0.3452, allocations: 7.938 kB / 1.29 GB, free: 5.914 MB / 0.9825 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006618/0.3458, allocations: 205.6 kB / 1.29 GB, free: 5.715 MB / 0.9825 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001189/0.347, allocations: 0.6065 MB / 1.291 GB, free: 5.062 MB / 0.9825 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0006271/0.3476, allocations: 193.9 kB / 1.291 GB, free: 4.867 MB / 0.9825 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002946/0.3479, allocations: 95.09 kB / 1.291 GB, free: 4.773 MB / 0.9825 GB Notification: Performance of preOpt evalFunc (simulation): time 1.642e-05/0.348, allocations: 4 kB / 1.291 GB, free: 4.77 MB / 0.9825 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0005009/0.3485, allocations: 195.2 kB / 1.291 GB, free: 4.566 MB / 0.9825 GB Notification: Performance of pre-optimization done (n=19): time 1.383e-06/0.3485, allocations: 0 / 1.291 GB, free: 4.566 MB / 0.9825 GB Notification: Performance of matching and sorting (n=19): time 0.001055/0.3495, allocations: 339.5 kB / 1.291 GB, free: 4.23 MB / 0.9825 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001048/0.3496, allocations: 140.5 kB / 1.291 GB, free: 4.062 MB / 0.9825 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002333/0.3498, allocations: 215.1 kB / 1.292 GB, free: 3.844 MB / 0.9825 GB Notification: Performance of collectPreVariables (initialization): time 4.635e-05/0.3499, allocations: 45.69 kB / 1.292 GB, free: 3.793 MB / 0.9825 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001439/0.35, allocations: 160.4 kB / 1.292 GB, free: 3.633 MB / 0.9825 GB Notification: Performance of collectInitialBindings (initialization): time 4.974e-05/0.3501, allocations: 43.69 kB / 1.292 GB, free: 3.59 MB / 0.9825 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001233/0.3502, allocations: 69.92 kB / 1.292 GB, free: 3.516 MB / 0.9825 GB Notification: Performance of setup shared object (initialization): time 0.0001605/0.3504, allocations: 334.8 kB / 1.292 GB, free: 3.18 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003569/0.3507, allocations: 112.2 kB / 1.292 GB, free: 3.07 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000409/0.3511, allocations: 188.4 kB / 1.293 GB, free: 2.859 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006802/0.3518, allocations: 312.2 kB / 1.293 GB, free: 2.52 MB / 0.9825 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.446e-06/0.3518, allocations: 8 kB / 1.293 GB, free: 2.512 MB / 0.9825 GB Notification: Performance of matching and sorting (n=36) (initialization): time 0.0009408/0.3528, allocations: 423.5 kB / 1.293 GB, free: 2.074 MB / 0.9825 GB Notification: Performance of prepare postOptimizeDAE: time 7.64e-05/0.3528, allocations: 93.05 kB / 1.293 GB, free: 1.965 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.091e-06/0.3528, allocations: 0 / 1.293 GB, free: 1.965 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.085e-05/0.3529, allocations: 12.09 kB / 1.293 GB, free: 1.953 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002242/0.3531, allocations: 39.95 kB / 1.293 GB, free: 1.914 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.208e-05/0.3531, allocations: 7.938 kB / 1.293 GB, free: 1.906 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003364/0.3534, allocations: 71.7 kB / 1.293 GB, free: 1.836 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.611e-05/0.3535, allocations: 12 kB / 1.293 GB, free: 1.824 MB / 0.9825 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 6 * Number of states: 0 () * Number of discrete variables: 28 (minFloRatSaf.disErr.y,$PRE.minFloRatSaf.disErr.y,mEvaEmu_flow.count,$PRE.mEvaEmu_flow.count,mEvaEmu_flow.T_start,$PRE.mEvaEmu_flow.T_start,mConEmu_flow.count,$PRE.mConEmu_flow.count,mConEmu_flow.T_start,$PRE.mConEmu_flow.T_start,ySetPul.count,$PRE.ySetPul.count,ySetPul.T_start,$PRE.ySetPul.T_start,minFloRatSaf.hysEva.y,$PRE.minFloRatSaf.hysEva.y,minFloRatSaf.hysCon.y,$PRE.minFloRatSaf.hysCon.y,minFloRatSaf.booPasThr.y,hys.y,$PRE.hys.y,$whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,minFloRatSaf.intConOne.y,minFloRatSaf.disErr.local_set,minFloRatSaf.disErr.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (33): * Single equations (assignments): 30 * Array equations: 0 * Algorithm blocks: 3 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0001771/0.3536, allocations: 152.4 kB / 1.294 GB, free: 1.664 MB / 0.9825 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 4.532e-05/0.3537, allocations: 15.91 kB / 1.294 GB, free: 1.648 MB / 0.9825 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 7.095e-05/0.3538, allocations: 33.73 kB / 1.294 GB, free: 1.613 MB / 0.9825 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5e-06/0.3538, allocations: 4 kB / 1.294 GB, free: 1.609 MB / 0.9825 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.691e-06/0.3538, allocations: 3.938 kB / 1.294 GB, free: 1.605 MB / 0.9825 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.721e-06/0.3538, allocations: 4 kB / 1.294 GB, free: 1.602 MB / 0.9825 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001115/0.3549, allocations: 0.5947 MB / 1.294 GB, free: 0.957 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.344e-06/0.3549, allocations: 0 / 1.294 GB, free: 0.957 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001461/0.355, allocations: 31.91 kB / 1.294 GB, free: 0.9258 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.395e-06/0.355, allocations: 4 kB / 1.294 GB, free: 0.9219 MB / 0.9825 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.848e-05/0.3551, allocations: 3.984 kB / 1.294 GB, free: 0.918 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.994e-06/0.3551, allocations: 0 / 1.294 GB, free: 0.918 MB / 0.9825 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.896e-06/0.3551, allocations: 8 kB / 1.294 GB, free: 0.9102 MB / 0.9825 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.000734/0.3558, allocations: 349.4 kB / 1.295 GB, free: 0.5547 MB / 0.9825 GB Notification: Performance of postOpt removeConstants (simulation): time 3.208e-05/0.3558, allocations: 19.84 kB / 1.295 GB, free: 0.5352 MB / 0.9825 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 4.698e-05/0.3559, allocations: 12 kB / 1.295 GB, free: 0.5234 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003321/0.3562, allocations: 43.94 kB / 1.295 GB, free: 492 kB / 0.9825 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001401/0.3563, allocations: 51.91 kB / 1.295 GB, free: 440 kB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.657e-05/0.3564, allocations: 8 kB / 1.295 GB, free: 432 kB / 0.9825 GB Notification: Performance of sorting global known variables: time 0.0001472/0.3565, allocations: 147.2 kB / 1.295 GB, free: 284 kB / 0.9825 GB Notification: Performance of sort global known variables: time 8.1e-08/0.3565, allocations: 0 / 1.295 GB, free: 284 kB / 0.9825 GB Notification: Performance of remove unused functions: time 0.0003587/0.3569, allocations: 63.88 kB / 1.295 GB, free: 220 kB / 0.9825 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 15 (minFloRatSaf.booPasThr.y,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,hys.y,minFloRatSaf.disErr.y,minFloRatSaf.hysCon.y,minFloRatSaf.hysEva.y,ySetPul.T_start,ySetPul.count,mConEmu_flow.T_start,mConEmu_flow.count,mEvaEmu_flow.T_start,mEvaEmu_flow.count) * Number of discrete states: 7 (mEvaEmu_flow.count,mConEmu_flow.count,ySetPul.count,minFloRatSaf.hysEva.y,minFloRatSaf.hysCon.y,hys.y,minFloRatSaf.disErr.y) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (19): * Single equations (assignments): 12 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 7 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.0001983/0.3571, allocations: 115.3 kB / 1.295 GB, free: 92 kB / 0.9825 GB Notification: Performance of simCode: created initialization part: time 0.001012/0.3581, allocations: 426.6 kB / 1.296 GB, free: 15.64 MB / 0.9981 GB Notification: Performance of simCode: created event and clocks part: time 3.656e-06/0.3581, allocations: 0 / 1.296 GB, free: 15.64 MB / 0.9981 GB Notification: Performance of simCode: created simulation system equations: time 0.0003749/0.3585, allocations: 107.8 kB / 1.296 GB, free: 15.53 MB / 0.9981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004079/0.3589, allocations: 39.8 kB / 1.296 GB, free: 15.49 MB / 0.9981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001024/0.3599, allocations: 412.1 kB / 1.296 GB, free: 15.06 MB / 0.9981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004634/0.3604, allocations: 0.7361 MB / 1.297 GB, free: 14.3 MB / 0.9981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001016/0.3605, allocations: 31.42 kB / 1.297 GB, free: 14.27 MB / 0.9981 GB Notification: Performance of SimCode: time 1.072e-06/0.3605, allocations: 0 / 1.297 GB, free: 14.27 MB / 0.9981 GB Notification: Performance of Templates: time 0.005877/0.3663, allocations: 3.099 MB / 1.3 GB, free: 11.19 MB / 0.9981 GB " [Timeout remaining time 299] make -j1 -f Buildings_11_Buildings.Fluid.HeatPumps.ModularReversible.Controls.Safety.Examples.MinimalFlowRate.makefile [Timeout 300] (rm -f Buildings_11_Buildings.Fluid.HeatPumps.ModularReversible.Controls.Safety.Examples.MinimalFlowRate.pipe ; mkfifo Buildings_11_Buildings.Fluid.HeatPumps.ModularReversible.Controls.Safety.Examples.MinimalFlowRate.pipe ; head -c 1048576 < Buildings_11_Buildings.Fluid.HeatPumps.ModularReversible.Controls.Safety.Examples.MinimalFlowRate.pipe >> ../files/Buildings_11_Buildings.Fluid.HeatPumps.ModularReversible.Controls.Safety.Examples.MinimalFlowRate.sim & ./Buildings_11_Buildings.Fluid.HeatPumps.ModularReversible.Controls.Safety.Examples.MinimalFlowRate -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_11_Buildings.Fluid.HeatPumps.ModularReversible.Controls.Safety.Examples.MinimalFlowRate.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_11_Buildings.Fluid.HeatPumps.ModularReversible.Controls.Safety.Examples.MinimalFlowRate_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_Fluid_HeatPumps_ModularReversible_Controls_Safety_Examples_MinimalFlowRate.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_11_Buildings.Fluid.HeatPumps.ModularReversible.Controls.Safety.Examples.MinimalFlowRate.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 11.122958285995992]