Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.TuningMonitor.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 0.001516/0.001516, allocations: 81 kB / 19.18 MB, free: 2.52 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 0.001583/0.001583, allocations: 162.8 kB / 22.45 MB, free: 5.375 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 1.481/1.481, allocations: 177.1 MB / 202.8 MB, free: 9.184 MB / 190.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo): time 2.943/2.943, allocations: 389 MB / 0.633 GB, free: 0.9805 MB / 0.5919 GB " [Timeout remaining time 176] Using package Buildings with version 13.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/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.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.TuningMonitor,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|tOn.y|tOff.y|tunSta.y|tunEnd.y",fileNamePrefix="Buildings_latest_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.TuningMonitor") translateModel(Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.TuningMonitor,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|tOn.y|tOff.y|tunSta.y|tunEnd.y",fileNamePrefix="Buildings_latest_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.TuningMonitor") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 2.535e-06/2.535e-06, allocations: 0 / 1 GB, free: 7.266 MB / 0.9512 GB Notification: Performance of FrontEnd - Absyn->SCode: time 3.277e-05/3.531e-05, allocations: 2.281 kB / 1 GB, free: 7.262 MB / 0.9512 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.TuningMonitor): time 0.003629/0.003664, allocations: 2.204 MB / 1.002 GB, free: 5.047 MB / 0.9512 GB Notification: Performance of NFInst.instExpressions: time 0.00164/0.005304, allocations: 0.9187 MB / 1.003 GB, free: 4.125 MB / 0.9512 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001556/0.00546, allocations: 11.94 kB / 1.003 GB, free: 4.113 MB / 0.9512 GB Notification: Performance of NFTyping.typeComponents: time 0.0001681/0.005628, allocations: 51.34 kB / 1.003 GB, free: 4.062 MB / 0.9512 GB Notification: Performance of NFTyping.typeBindings: time 0.0001464/0.005774, allocations: 67.39 kB / 1.003 GB, free: 3.996 MB / 0.9512 GB Notification: Performance of NFTyping.typeClassSections: time 0.0009855/0.00676, allocations: 455.6 kB / 1.004 GB, free: 3.559 MB / 0.9512 GB Notification: Performance of NFFlatten.flatten: time 0.0006735/0.007433, allocations: 0.6287 MB / 1.004 GB, free: 2.93 MB / 0.9512 GB Notification: Performance of NFFlatten.resolveConnections: time 0.000331/0.007764, allocations: 175.2 kB / 1.005 GB, free: 2.754 MB / 0.9512 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0003777/0.008142, allocations: 339.4 kB / 1.005 GB, free: 2.422 MB / 0.9512 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0002638/0.008406, allocations: 167.5 kB / 1.005 GB, free: 2.258 MB / 0.9512 GB Notification: Performance of NFPackage.collectConstants: time 9.906e-05/0.008505, allocations: 68 kB / 1.005 GB, free: 2.191 MB / 0.9512 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0001421/0.008647, allocations: 87.92 kB / 1.005 GB, free: 2.105 MB / 0.9512 GB Notification: Performance of NFScalarize.scalarize: time 0.0001191/0.008766, allocations: 91.67 kB / 1.005 GB, free: 2.016 MB / 0.9512 GB Notification: Performance of NFVerifyModel.verify: time 0.0002105/0.008977, allocations: 175.6 kB / 1.005 GB, free: 1.844 MB / 0.9512 GB Notification: Performance of NFConvertDAE.convert: time 0.0008368/0.009813, allocations: 0.7906 MB / 1.006 GB, free: 1.051 MB / 0.9512 GB Notification: Performance of FrontEnd - DAE generated: time 3.898e-06/0.009817, allocations: 0 / 1.006 GB, free: 1.051 MB / 0.9512 GB Notification: Performance of FrontEnd: time 7.81e-07/0.009818, allocations: 0 / 1.006 GB, free: 1.051 MB / 0.9512 GB Notification: Performance of Transformations before backend: time 1.245e-05/0.009831, allocations: 0 / 1.006 GB, free: 1.051 MB / 0.9512 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 79 * Number of variables: 79 Notification: Performance of Generate backend data structure: time 0.001089/0.01092, allocations: 0.7055 MB / 1.007 GB, free: 300 kB / 0.9512 GB Notification: Performance of prepare preOptimizeDAE: time 3.853e-05/0.01096, allocations: 15.98 kB / 1.007 GB, free: 284 kB / 0.9512 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.000115/0.01107, allocations: 52.7 kB / 1.007 GB, free: 232 kB / 0.9512 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0005282/0.0116, allocations: 293.2 kB / 1.007 GB, free: 15.91 MB / 0.9669 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.727e-05/0.01164, allocations: 33.03 kB / 1.007 GB, free: 15.88 MB / 0.9669 GB Notification: Performance of preOpt expandDerOperator (simulation): time 7.951e-05/0.01172, allocations: 44.38 kB / 1.007 GB, free: 15.84 MB / 0.9669 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004778/0.0122, allocations: 282.5 kB / 1.008 GB, free: 15.56 MB / 0.9669 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.193e-05/0.01221, allocations: 192 / 1.008 GB, free: 15.56 MB / 0.9669 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.13e-05/0.01224, allocations: 16.38 kB / 1.008 GB, free: 15.54 MB / 0.9669 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.217e-06/0.01225, allocations: 8.375 kB / 1.008 GB, free: 15.54 MB / 0.9669 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0003725/0.01262, allocations: 198.5 kB / 1.008 GB, free: 15.34 MB / 0.9669 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001406/0.01403, allocations: 0.8086 MB / 1.009 GB, free: 14.5 MB / 0.9669 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0004795/0.01451, allocations: 214.9 kB / 1.009 GB, free: 14.28 MB / 0.9669 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002251/0.01473, allocations: 105.2 kB / 1.009 GB, free: 14.17 MB / 0.9669 GB Notification: Performance of preOpt evalFunc (simulation): time 2.224e-05/0.01475, allocations: 3.938 kB / 1.009 GB, free: 14.17 MB / 0.9669 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0003226/0.01508, allocations: 207.7 kB / 1.009 GB, free: 13.95 MB / 0.9669 GB Notification: Performance of pre-optimization done (n=36): time 2.044e-06/0.01508, allocations: 3.938 kB / 1.009 GB, free: 13.95 MB / 0.9669 GB Notification: Performance of matching and sorting (n=36): time 0.0006842/0.01576, allocations: 389.6 kB / 1.009 GB, free: 13.56 MB / 0.9669 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.201e-05/0.01581, allocations: 63.39 kB / 1.01 GB, free: 13.49 MB / 0.9669 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002638/0.01608, allocations: 253.9 kB / 1.01 GB, free: 13.23 MB / 0.9669 GB Notification: Performance of collectPreVariables (initialization): time 6.499e-05/0.01614, allocations: 45.7 kB / 1.01 GB, free: 13.18 MB / 0.9669 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001648/0.01631, allocations: 192.8 kB / 1.01 GB, free: 12.99 MB / 0.9669 GB Notification: Performance of collectInitialBindings (initialization): time 8.153e-05/0.01639, allocations: 99.27 kB / 1.01 GB, free: 12.89 MB / 0.9669 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002085/0.0166, allocations: 114 kB / 1.01 GB, free: 12.77 MB / 0.9669 GB Notification: Performance of setup shared object (initialization): time 0.0001571/0.01675, allocations: 342.7 kB / 1.011 GB, free: 12.43 MB / 0.9669 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003937/0.01715, allocations: 253.9 kB / 1.011 GB, free: 12.16 MB / 0.9669 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004496/0.0176, allocations: 339.6 kB / 1.011 GB, free: 11.79 MB / 0.9669 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005218/0.01812, allocations: 379.8 kB / 1.011 GB, free: 11.38 MB / 0.9669 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.034e-06/0.01812, allocations: 0 / 1.011 GB, free: 11.38 MB / 0.9669 GB Notification: Performance of matching and sorting (n=51) (initialization): time 0.001043/0.01917, allocations: 0.6673 MB / 1.012 GB, free: 10.66 MB / 0.9669 GB Notification: Performance of prepare postOptimizeDAE: time 8.3e-05/0.01925, allocations: 101.1 kB / 1.012 GB, free: 10.55 MB / 0.9669 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.685e-06/0.01926, allocations: 4 kB / 1.012 GB, free: 10.54 MB / 0.9669 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.532e-05/0.01927, allocations: 4 kB / 1.012 GB, free: 10.54 MB / 0.9669 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001249/0.0194, allocations: 31.86 kB / 1.012 GB, free: 10.51 MB / 0.9669 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.704e-06/0.0194, allocations: 8.219 kB / 1.012 GB, free: 10.5 MB / 0.9669 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005487/0.01995, allocations: 103.7 kB / 1.012 GB, free: 10.4 MB / 0.9669 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.065e-05/0.02001, allocations: 31.92 kB / 1.012 GB, free: 10.37 MB / 0.9669 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 8 * Number of states: 0 () * Number of discrete variables: 34 ($whenCondition6,$whenCondition7,$whenCondition4,$whenCondition5,$whenCondition2,$whenCondition3,tunEnd.y,$PRE.tunEnd.y,tunEnd.clr,tunEnd.u,tunSta.y,$PRE.tunSta.y,tunSta.clr,tunSta.u,tOff.booPul.y,$PRE.tOff.booPul.y,tOnSig2.booPul.y,$PRE.tOnSig2.booPul.y,tOnSig1.booPul.y,$PRE.tOnSig1.booPul.y,tunMan.greThr1.y,tunMan.edgTunEnd.u,$PRE.tunMan.edgTunEnd.u,tunMan.edgTunSta.u,$PRE.tunMan.edgTunSta.u,tunMan.tDec.y,tunMan.tInc.y,tunMan.samAddtOntOff.y,$PRE.tunMan.samAddtOntOff.y,$whenCondition1,$whenCondition8,$whenCondition9,$whenCondition10,$whenCondition11) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (45): * Single equations (assignments): 42 * 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 0.0002064/0.02022, allocations: 176.9 kB / 1.013 GB, free: 10.18 MB / 0.9669 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 4.233e-05/0.02026, allocations: 31.8 kB / 1.013 GB, free: 10.15 MB / 0.9669 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.000514/0.02078, allocations: 308.4 kB / 1.013 GB, free: 9.848 MB / 0.9669 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.29e-06/0.02078, allocations: 7.938 kB / 1.013 GB, free: 9.84 MB / 0.9669 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.511e-06/0.02079, allocations: 3.984 kB / 1.013 GB, free: 9.836 MB / 0.9669 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.078e-06/0.02079, allocations: 0 / 1.013 GB, free: 9.836 MB / 0.9669 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001027/0.02182, allocations: 0.6833 MB / 1.014 GB, free: 9.109 MB / 0.9669 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.062e-06/0.02182, allocations: 4 kB / 1.014 GB, free: 9.105 MB / 0.9669 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 9.439e-05/0.02192, allocations: 24.05 kB / 1.014 GB, free: 9.082 MB / 0.9669 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.975e-06/0.02192, allocations: 0 / 1.014 GB, free: 9.082 MB / 0.9669 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.072e-05/0.02194, allocations: 15.92 kB / 1.014 GB, free: 9.066 MB / 0.9669 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 7.624e-06/0.02195, allocations: 7.938 kB / 1.014 GB, free: 9.059 MB / 0.9669 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.242e-06/0.02195, allocations: 0 / 1.014 GB, free: 9.059 MB / 0.9669 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0005087/0.02246, allocations: 407.1 kB / 1.014 GB, free: 8.637 MB / 0.9669 GB Notification: Performance of postOpt removeConstants (simulation): time 9.288e-05/0.02255, allocations: 47.72 kB / 1.014 GB, free: 8.59 MB / 0.9669 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 4.098e-05/0.02259, allocations: 11.94 kB / 1.014 GB, free: 8.578 MB / 0.9669 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001457/0.02274, allocations: 11.98 kB / 1.014 GB, free: 8.566 MB / 0.9669 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.964e-05/0.02281, allocations: 27.95 kB / 1.014 GB, free: 8.539 MB / 0.9669 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.908e-05/0.02284, allocations: 19.98 kB / 1.014 GB, free: 8.52 MB / 0.9669 GB Notification: Performance of sorting global known variables: time 0.0001727/0.02301, allocations: 173.2 kB / 1.014 GB, free: 8.352 MB / 0.9669 GB Notification: Performance of sort global known variables: time 8e-08/0.02301, allocations: 0 / 1.014 GB, free: 8.352 MB / 0.9669 GB Notification: Performance of remove unused functions: time 0.0003901/0.0234, allocations: 115.6 kB / 1.014 GB, free: 8.238 MB / 0.9669 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 0 () * Number of discrete variables: 26 (tunEnd.u,tunMan.greThr1.y,tunSta.u,$whenCondition11,$whenCondition10,$whenCondition9,$whenCondition8,$whenCondition6,$whenCondition7,$whenCondition4,$whenCondition5,$whenCondition2,$whenCondition3,$whenCondition1,tunMan.samAddtOntOff.y,tunMan.tInc.y,tunMan.tDec.y,tunMan.edgTunSta.u,tunMan.edgTunEnd.u,tOnSig1.booPul.y,tOnSig2.booPul.y,tOff.booPul.y,tunSta.y,tunEnd.y,tunSta.clr,tunEnd.clr) * Number of discrete states: 2 (tunMan.edgTunSta.u,tunMan.edgTunEnd.u) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (36): * Single equations (assignments): 30 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 6 * 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 0.000174/0.02357, allocations: 129.2 kB / 1.014 GB, free: 8.105 MB / 0.9669 GB Notification: Performance of simCode: created initialization part: time 0.0008365/0.02441, allocations: 0.5851 MB / 1.015 GB, free: 7.465 MB / 0.9669 GB Notification: Performance of simCode: created event and clocks part: time 1.593e-06/0.02441, allocations: 4.062 kB / 1.015 GB, free: 7.461 MB / 0.9669 GB Notification: Performance of simCode: created simulation system equations: time 0.0001933/0.02461, allocations: 120.6 kB / 1.015 GB, free: 7.344 MB / 0.9669 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004843/0.02509, allocations: 68.58 kB / 1.015 GB, free: 7.277 MB / 0.9669 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00101/0.0261, allocations: 0.5681 MB / 1.016 GB, free: 6.672 MB / 0.9669 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001896/0.02629, allocations: 187 kB / 1.016 GB, free: 6.465 MB / 0.9669 GB Notification: Performance of simCode: alias equations: time 0.0001032/0.02639, allocations: 34.97 kB / 1.016 GB, free: 6.43 MB / 0.9669 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 6.787e-05/0.02646, allocations: 28.5 kB / 1.016 GB, free: 6.402 MB / 0.9669 GB Notification: Performance of SimCode: time 3.2e-07/0.02646, allocations: 0 / 1.016 GB, free: 6.402 MB / 0.9669 GB Notification: Performance of Templates: time 0.01086/0.03733, allocations: 5.353 MB / 1.021 GB, free: 1.176 MB / 0.9669 GB " [Timeout remaining time 300] make -j1 -f Buildings_latest_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.TuningMonitor.makefile [Timeout 300] (rm -f Buildings_latest_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.TuningMonitor.pipe ; mkfifo Buildings_latest_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.TuningMonitor.pipe ; head -c 1048576 < Buildings_latest_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.TuningMonitor.pipe >> ../files/Buildings_latest_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.TuningMonitor.sim & ./Buildings_latest_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.TuningMonitor -abortSlowSimulation -alarm=800 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.TuningMonitor.pipe 2>&1) [Timeout 800] diffSimulationResults("Buildings_latest_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.TuningMonitor_res.mat","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_Controls_OBC_Utilities_PIDWithAutotuning_Relay_BaseClasses_Validation_TuningMonitor.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_latest_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.TuningMonitor.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: 8.553337171673775]