Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.OnOffPeriod.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 0.0009898/0.0009898, allocations: 85.45 kB / 21.62 MB, free: 2.84 MB / 18.57 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 0.001413/0.001413, allocations: 168.2 kB / 25.05 MB, free: 9.246 MB / 18.57 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 1.036/1.036, allocations: 177.1 MB / 205.5 MB, free: 5.465 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo): time 1.896/1.896, allocations: 389.6 MB / 0.6363 GB, free: 12.26 MB / 0.6042 GB " [Timeout remaining time 178] Using package Buildings with version 13.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.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.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.OnOffPeriod,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.OnOffPeriod") translateModel(Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.OnOffPeriod,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.OnOffPeriod") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.973e-06/1.973e-06, allocations: 0 / 0.7761 GB, free: 5.258 MB / 0.7292 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.734e-05/1.932e-05, allocations: 8.219 kB / 0.7762 GB, free: 5.25 MB / 0.7292 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.OnOffPeriod): time 0.00182/0.00184, allocations: 1.332 MB / 0.7775 GB, free: 3.945 MB / 0.7292 GB Notification: Performance of NFInst.instExpressions: time 0.001484/0.003323, allocations: 1.497 MB / 0.7789 GB, free: 2.438 MB / 0.7292 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001192/0.003442, allocations: 13.03 kB / 0.7789 GB, free: 2.426 MB / 0.7292 GB Notification: Performance of NFTyping.typeComponents: time 0.0001497/0.003592, allocations: 41.17 kB / 0.779 GB, free: 2.387 MB / 0.7292 GB Notification: Performance of NFTyping.typeBindings: time 7.764e-05/0.00367, allocations: 43.22 kB / 0.779 GB, free: 2.348 MB / 0.7292 GB Notification: Performance of NFTyping.typeClassSections: time 0.0004732/0.004143, allocations: 324 kB / 0.7793 GB, free: 2.031 MB / 0.7292 GB Notification: Performance of NFFlatten.flatten: time 0.0003216/0.004465, allocations: 472.7 kB / 0.7798 GB, free: 1.57 MB / 0.7292 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002023/0.004667, allocations: 170.7 kB / 0.7799 GB, free: 1.406 MB / 0.7292 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001912/0.004858, allocations: 263.5 kB / 0.7802 GB, free: 1.148 MB / 0.7292 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001303/0.004988, allocations: 111.6 kB / 0.7803 GB, free: 1.039 MB / 0.7292 GB Notification: Performance of NFPackage.collectConstants: time 4.409e-05/0.005032, allocations: 50.75 kB / 0.7803 GB, free: 0.9922 MB / 0.7292 GB Notification: Performance of NFFlatten.collectFunctions: time 9.065e-05/0.005123, allocations: 63.98 kB / 0.7804 GB, free: 0.9297 MB / 0.7292 GB Notification: Performance of NFScalarize.scalarize: time 4.617e-05/0.005169, allocations: 75.75 kB / 0.7805 GB, free: 0.8555 MB / 0.7292 GB Notification: Performance of NFVerifyModel.verify: time 8.503e-05/0.005254, allocations: 131.7 kB / 0.7806 GB, free: 0.7266 MB / 0.7292 GB Notification: Performance of NFConvertDAE.convert: time 0.0002613/0.005516, allocations: 330.8 kB / 0.7809 GB, free: 412 kB / 0.7292 GB Notification: Performance of FrontEnd - DAE generated: time 4.689e-06/0.00552, allocations: 0 / 0.7809 GB, free: 412 kB / 0.7292 GB Notification: Performance of FrontEnd: time 5e-07/0.005521, allocations: 0 / 0.7809 GB, free: 412 kB / 0.7292 GB Notification: Performance of Transformations before backend: time 3.266e-06/0.005524, allocations: 0 / 0.7809 GB, free: 412 kB / 0.7292 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 72 * Number of variables: 72 Notification: Performance of Generate backend data structure: time 0.0005091/0.006033, allocations: 0.5437 MB / 0.7814 GB, free: 15.82 MB / 0.7448 GB Notification: Performance of prepare preOptimizeDAE: time 3.179e-05/0.006065, allocations: 9.344 kB / 0.7815 GB, free: 15.81 MB / 0.7448 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 6.262e-05/0.006128, allocations: 56.89 kB / 0.7815 GB, free: 15.76 MB / 0.7448 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002421/0.00637, allocations: 237.2 kB / 0.7817 GB, free: 15.5 MB / 0.7448 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.143e-05/0.006391, allocations: 25.03 kB / 0.7818 GB, free: 15.48 MB / 0.7448 GB Notification: Performance of preOpt expandDerOperator (simulation): time 3.485e-05/0.006426, allocations: 40.36 kB / 0.7818 GB, free: 15.44 MB / 0.7448 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0001831/0.006609, allocations: 183.3 kB / 0.782 GB, free: 15.25 MB / 0.7448 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.798e-06/0.006619, allocations: 1.781 kB / 0.782 GB, free: 15.25 MB / 0.7448 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.503e-05/0.006634, allocations: 16.3 kB / 0.782 GB, free: 15.24 MB / 0.7448 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.194e-06/0.006641, allocations: 8.375 kB / 0.782 GB, free: 15.23 MB / 0.7448 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 7.928e-05/0.00672, allocations: 68.5 kB / 0.7821 GB, free: 15.16 MB / 0.7448 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0005776/0.007298, allocations: 0.5171 MB / 0.7826 GB, free: 14.63 MB / 0.7448 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0001614/0.007459, allocations: 125.8 kB / 0.7827 GB, free: 14.5 MB / 0.7448 GB Notification: Performance of preOpt resolveLoops (simulation): time 7.243e-05/0.007532, allocations: 48.83 kB / 0.7827 GB, free: 14.45 MB / 0.7448 GB Notification: Performance of preOpt evalFunc (simulation): time 1.768e-05/0.007549, allocations: 5.5 kB / 0.7827 GB, free: 14.45 MB / 0.7448 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0001353/0.007685, allocations: 135.2 kB / 0.7829 GB, free: 14.3 MB / 0.7448 GB Notification: Performance of pre-optimization done (n=29): time 1.573e-06/0.007686, allocations: 0 / 0.7829 GB, free: 14.3 MB / 0.7448 GB Notification: Performance of matching and sorting (n=29): time 0.0001927/0.007879, allocations: 166 kB / 0.783 GB, free: 14.13 MB / 0.7448 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.744e-05/0.007916, allocations: 60.73 kB / 0.7831 GB, free: 14.06 MB / 0.7448 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001028/0.008019, allocations: 200.3 kB / 0.7833 GB, free: 13.86 MB / 0.7448 GB Notification: Performance of collectPreVariables (initialization): time 2.889e-05/0.008048, allocations: 41.69 kB / 0.7833 GB, free: 13.81 MB / 0.7448 GB Notification: Performance of collectInitialEqns (initialization): time 7.55e-05/0.008124, allocations: 168.5 kB / 0.7835 GB, free: 13.64 MB / 0.7448 GB Notification: Performance of collectInitialBindings (initialization): time 4.006e-05/0.008164, allocations: 76.14 kB / 0.7835 GB, free: 13.56 MB / 0.7448 GB Notification: Performance of simplifyInitialFunctions (initialization): time 8.181e-05/0.008245, allocations: 90.7 kB / 0.7836 GB, free: 13.47 MB / 0.7448 GB Notification: Performance of setup shared object (initialization): time 8.395e-05/0.008329, allocations: 342.7 kB / 0.784 GB, free: 13.12 MB / 0.7448 GB Notification: Performance of preBalanceInitialSystem (initialization): time 9.101e-05/0.00842, allocations: 119.9 kB / 0.7841 GB, free: 13 MB / 0.7448 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001317/0.008552, allocations: 234.3 kB / 0.7843 GB, free: 12.72 MB / 0.7448 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0001881/0.00874, allocations: 276.2 kB / 0.7846 GB, free: 12.4 MB / 0.7448 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.415e-06/0.008743, allocations: 0.625 kB / 0.7846 GB, free: 12.4 MB / 0.7448 GB Notification: Performance of matching and sorting (n=47) (initialization): time 0.0002874/0.00903, allocations: 384.6 kB / 0.7849 GB, free: 12 MB / 0.7448 GB Notification: Performance of prepare postOptimizeDAE: time 3.808e-05/0.009068, allocations: 69.73 kB / 0.785 GB, free: 11.92 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.993e-06/0.009075, allocations: 3.984 kB / 0.785 GB, free: 11.92 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.081e-05/0.009086, allocations: 8 kB / 0.785 GB, free: 11.91 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001054/0.009191, allocations: 47.86 kB / 0.7851 GB, free: 11.86 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.358e-06/0.009196, allocations: 4 kB / 0.7851 GB, free: 11.86 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001421/0.009338, allocations: 62.81 kB / 0.7851 GB, free: 11.8 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.365e-05/0.009362, allocations: 16 kB / 0.7851 GB, free: 11.79 MB / 0.7448 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 13 * Number of states: 0 () * Number of discrete variables: 34 (onOffPer.timOffRec.yRec.y,$PRE.onOffPer.timOffRec.yRec.y,onOffPer.timOnRec.yRec.y,$PRE.onOffPer.timOnRec.yRec.y,$whenCondition7,$whenCondition8,$whenCondition5,$whenCondition6,relSwi.y,$PRE.relSwi.y,$whenCondition1,$whenCondition2,retSig.y,$PRE.retSig.y,onOffPer.timOffRec.edgThr.y,onOffPer.timOffRec.edgThr.u,$PRE.onOffPer.timOffRec.edgThr.u,onOffPer.timOffRec.edgRes.u,$PRE.onOffPer.timOffRec.edgRes.u,onOffPer.timOffRec.samTri.y,onOffPer.timOffRec.samTri.u2,onOffPer.timOnRec.edgThr.y,onOffPer.timOnRec.edgThr.u,$PRE.onOffPer.timOnRec.edgThr.u,onOffPer.timOnRec.edgRes.u,$PRE.onOffPer.timOnRec.edgRes.u,onOffPer.timOnRec.samTri.y,onOffPer.timOnRec.samTri.u2,onOffPer.timOff.y,$PRE.onOffPer.timOff.y,onOffPer.timOn.y,$PRE.onOffPer.timOn.y,$whenCondition3,$whenCondition4) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (43): * Single equations (assignments): 41 * Array equations: 0 * Algorithm blocks: 2 * 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 9.963e-05/0.009461, allocations: 157.7 kB / 0.7853 GB, free: 11.62 MB / 0.7448 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 2.105e-05/0.009482, allocations: 23.98 kB / 0.7853 GB, free: 11.6 MB / 0.7448 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 3.713e-05/0.009519, allocations: 28.14 kB / 0.7853 GB, free: 11.58 MB / 0.7448 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.084e-06/0.009521, allocations: 0 / 0.7853 GB, free: 11.58 MB / 0.7448 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.934e-06/0.009523, allocations: 4 kB / 0.7853 GB, free: 11.57 MB / 0.7448 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.637e-06/0.009527, allocations: 0 / 0.7853 GB, free: 11.57 MB / 0.7448 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0003384/0.009865, allocations: 397.4 kB / 0.7857 GB, free: 11.16 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.863e-06/0.009867, allocations: 0 / 0.7857 GB, free: 11.16 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 3.409e-05/0.009901, allocations: 15.98 kB / 0.7857 GB, free: 11.15 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.774e-06/0.009903, allocations: 1.094 kB / 0.7857 GB, free: 11.15 MB / 0.7448 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.047e-06/0.009912, allocations: 8 kB / 0.7857 GB, free: 11.14 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.543e-06/0.009914, allocations: 0 / 0.7857 GB, free: 11.14 MB / 0.7448 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.883e-06/0.009916, allocations: 5.156 kB / 0.7857 GB, free: 11.14 MB / 0.7448 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0001393/0.01005, allocations: 241.6 kB / 0.786 GB, free: 10.88 MB / 0.7448 GB Notification: Performance of postOpt removeConstants (simulation): time 1.241e-05/0.01007, allocations: 19.86 kB / 0.786 GB, free: 10.86 MB / 0.7448 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.156e-05/0.01009, allocations: 13.02 kB / 0.786 GB, free: 10.85 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 3.791e-05/0.01013, allocations: 4 kB / 0.786 GB, free: 10.85 MB / 0.7448 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 4.497e-05/0.01017, allocations: 27.89 kB / 0.786 GB, free: 10.82 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.596e-06/0.01018, allocations: 9.25 kB / 0.786 GB, free: 10.81 MB / 0.7448 GB Notification: Performance of sorting global known variables: time 3.416e-05/0.01021, allocations: 44.81 kB / 0.7861 GB, free: 10.77 MB / 0.7448 GB Notification: Performance of sort global known variables: time 6e-08/0.01021, allocations: 0 / 0.7861 GB, free: 10.77 MB / 0.7448 GB Notification: Performance of remove unused functions: time 0.000202/0.01042, allocations: 87.77 kB / 0.7862 GB, free: 10.68 MB / 0.7448 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 24 (onOffPer.timOnRec.samTri.y,onOffPer.timOffRec.samTri.y,$whenCondition7,$whenCondition8,$whenCondition5,$whenCondition6,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,onOffPer.timOn.y,onOffPer.timOff.y,onOffPer.timOnRec.yRec.y,onOffPer.timOnRec.samTri.u2,onOffPer.timOnRec.edgRes.u,onOffPer.timOnRec.edgThr.u,onOffPer.timOnRec.edgThr.y,onOffPer.timOffRec.yRec.y,onOffPer.timOffRec.samTri.u2,onOffPer.timOffRec.edgRes.u,onOffPer.timOffRec.edgThr.u,onOffPer.timOffRec.edgThr.y,relSwi.y,retSig.y) * Number of discrete states: 4 (onOffPer.timOnRec.edgRes.u,onOffPer.timOffRec.edgRes.u,onOffPer.timOffRec.edgThr.u,onOffPer.timOnRec.edgThr.u) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (29): * Single equations (assignments): 23 * 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 0.0001115/0.01053, allocations: 108.1 kB / 0.7863 GB, free: 10.57 MB / 0.7448 GB Notification: Performance of simCode: created initialization part: time 0.0002743/0.0108, allocations: 368.3 kB / 0.7866 GB, free: 10.17 MB / 0.7448 GB Notification: Performance of simCode: created event and clocks part: time 3.787e-06/0.01081, allocations: 0 / 0.7866 GB, free: 10.17 MB / 0.7448 GB Notification: Performance of simCode: created simulation system equations: time 6.217e-05/0.01087, allocations: 69.69 kB / 0.7867 GB, free: 10.1 MB / 0.7448 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0001827/0.01105, allocations: 41.58 kB / 0.7867 GB, free: 10.06 MB / 0.7448 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0004972/0.01155, allocations: 450.8 kB / 0.7872 GB, free: 9.594 MB / 0.7448 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 5.156e-05/0.0116, allocations: 88.31 kB / 0.7872 GB, free: 9.488 MB / 0.7448 GB Notification: Performance of simCode: alias equations: time 6.287e-05/0.01166, allocations: 31.62 kB / 0.7873 GB, free: 9.465 MB / 0.7448 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001322/0.01179, allocations: 111.3 kB / 0.7874 GB, free: 9.355 MB / 0.7448 GB Notification: Performance of SimCode: time 5.81e-07/0.0118, allocations: 0 / 0.7874 GB, free: 9.355 MB / 0.7448 GB Notification: Performance of Templates: time 0.005696/0.01749, allocations: 3.848 MB / 0.7911 GB, free: 5.727 MB / 0.7448 GB " [Timeout remaining time 300] make -j1 -f Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.OnOffPeriod.makefile [Timeout 300] (rm -f Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.OnOffPeriod.pipe ; mkfifo Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.OnOffPeriod.pipe ; head -c 1048576 < Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.OnOffPeriod.pipe >> ../files/Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.OnOffPeriod.sim & ./Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.OnOffPeriod -abortSlowSimulation -alarm=240 -lv LOG_STATS > Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.OnOffPeriod.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 5.039838403463364]