Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Controls.OBC.CDL.Logical.Validation.VariablePulseMinHold.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 0.001419/0.001419, allocations: 79.86 kB / 19.18 MB, free: 2.527 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 0.00159/0.00159, allocations: 162 kB / 22.46 MB, free: 5.359 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 1.544/1.544, allocations: 177.1 MB / 202.8 MB, free: 9.188 MB / 190.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.2-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.2-maint.12.x/package.mo): time 2.847/2.847, allocations: 377.8 MB / 0.6221 GB, free: 12.58 MB / 0.5919 GB " [Timeout remaining time 176] Using package Buildings with version 12.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.2-maint.12.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.CDL.Logical.Validation.VariablePulseMinHold,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|conChaWid.u|conChaWid.y",fileNamePrefix="Buildings_12_Buildings.Controls.OBC.CDL.Logical.Validation.VariablePulseMinHold") translateModel(Buildings.Controls.OBC.CDL.Logical.Validation.VariablePulseMinHold,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|conChaWid.u|conChaWid.y",fileNamePrefix="Buildings_12_Buildings.Controls.OBC.CDL.Logical.Validation.VariablePulseMinHold") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 2.495e-06/2.495e-06, allocations: 0 / 0.9814 GB, free: 11.95 MB / 0.9356 GB Notification: Performance of FrontEnd - Absyn->SCode: time 3.448e-05/3.698e-05, allocations: 10.22 kB / 0.9814 GB, free: 11.94 MB / 0.9356 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.CDL.Logical.Validation.VariablePulseMinHold): time 0.00243/0.002467, allocations: 1.028 MB / 0.9824 GB, free: 10.91 MB / 0.9356 GB Notification: Performance of NFInst.instExpressions: time 0.002955/0.005422, allocations: 1.614 MB / 0.984 GB, free: 9.273 MB / 0.9356 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001665/0.005589, allocations: 7.938 kB / 0.984 GB, free: 9.266 MB / 0.9356 GB Notification: Performance of NFTyping.typeComponents: time 0.0001724/0.005761, allocations: 19.73 kB / 0.984 GB, free: 9.246 MB / 0.9356 GB Notification: Performance of NFTyping.typeBindings: time 0.0001603/0.005921, allocations: 39.66 kB / 0.9841 GB, free: 9.207 MB / 0.9356 GB Notification: Performance of NFTyping.typeClassSections: time 0.0007342/0.006656, allocations: 222.6 kB / 0.9843 GB, free: 8.992 MB / 0.9356 GB Notification: Performance of NFFlatten.flatten: time 0.0004406/0.007096, allocations: 335.2 kB / 0.9846 GB, free: 8.664 MB / 0.9356 GB Notification: Performance of NFFlatten.resolveConnections: time 0.000211/0.007307, allocations: 55.08 kB / 0.9847 GB, free: 8.613 MB / 0.9356 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0003303/0.007637, allocations: 191.7 kB / 0.9849 GB, free: 8.426 MB / 0.9356 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001985/0.007836, allocations: 95.73 kB / 0.9849 GB, free: 8.332 MB / 0.9356 GB Notification: Performance of NFPackage.collectConstants: time 6.757e-05/0.007904, allocations: 35.94 kB / 0.985 GB, free: 8.297 MB / 0.9356 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0001352/0.008039, allocations: 47.92 kB / 0.985 GB, free: 8.25 MB / 0.9356 GB Notification: Performance of NFScalarize.scalarize: time 8.524e-05/0.008124, allocations: 55.81 kB / 0.9851 GB, free: 8.195 MB / 0.9356 GB Notification: Performance of NFVerifyModel.verify: time 0.000166/0.00829, allocations: 95.8 kB / 0.9852 GB, free: 8.102 MB / 0.9356 GB Notification: Performance of NFConvertDAE.convert: time 0.0006117/0.008902, allocations: 390.9 kB / 0.9855 GB, free: 7.719 MB / 0.9356 GB Notification: Performance of FrontEnd - DAE generated: time 8.435e-06/0.00891, allocations: 0 / 0.9855 GB, free: 7.719 MB / 0.9356 GB Notification: Performance of FrontEnd: time 2.655e-06/0.008913, allocations: 0 / 0.9855 GB, free: 7.719 MB / 0.9356 GB Notification: Performance of Transformations before backend: time 8.376e-06/0.008921, allocations: 0 / 0.9855 GB, free: 7.719 MB / 0.9356 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 34 * Number of variables: 34 Notification: Performance of Generate backend data structure: time 0.001246/0.01017, allocations: 487.8 kB / 0.986 GB, free: 7.203 MB / 0.9356 GB Notification: Performance of prepare preOptimizeDAE: time 5.924e-05/0.01023, allocations: 12.03 kB / 0.986 GB, free: 7.191 MB / 0.9356 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001124/0.01034, allocations: 24.8 kB / 0.986 GB, free: 7.168 MB / 0.9356 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0005297/0.01087, allocations: 209.4 kB / 0.9862 GB, free: 6.938 MB / 0.9356 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.191e-05/0.01091, allocations: 20.66 kB / 0.9863 GB, free: 6.918 MB / 0.9356 GB Notification: Performance of preOpt expandDerOperator (simulation): time 5.494e-05/0.01097, allocations: 20.38 kB / 0.9863 GB, free: 6.898 MB / 0.9356 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004601/0.01143, allocations: 180.9 kB / 0.9865 GB, free: 6.719 MB / 0.9356 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.74e-05/0.01144, allocations: 4.188 kB / 0.9865 GB, free: 6.715 MB / 0.9356 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.53e-05/0.01148, allocations: 8.375 kB / 0.9865 GB, free: 6.707 MB / 0.9356 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.329e-05/0.01149, allocations: 7.938 kB / 0.9865 GB, free: 6.699 MB / 0.9356 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0003584/0.01185, allocations: 140.7 kB / 0.9866 GB, free: 6.562 MB / 0.9356 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001291/0.01314, allocations: 0.504 MB / 0.9871 GB, free: 6.027 MB / 0.9356 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0005711/0.01371, allocations: 178.9 kB / 0.9873 GB, free: 5.844 MB / 0.9356 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002055/0.01392, allocations: 72.81 kB / 0.9873 GB, free: 5.77 MB / 0.9356 GB Notification: Performance of preOpt evalFunc (simulation): time 4.014e-05/0.01396, allocations: 0 / 0.9873 GB, free: 5.77 MB / 0.9356 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0005171/0.01448, allocations: 204.4 kB / 0.9875 GB, free: 5.559 MB / 0.9356 GB Notification: Performance of pre-optimization done (n=25): time 1.983e-06/0.01448, allocations: 0 / 0.9875 GB, free: 5.559 MB / 0.9356 GB Notification: Performance of matching and sorting (n=25): time 0.0008662/0.01534, allocations: 331.6 kB / 0.9878 GB, free: 5.23 MB / 0.9356 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.54e-05/0.01541, allocations: 59.34 kB / 0.9879 GB, free: 5.16 MB / 0.9356 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002072/0.01562, allocations: 180 kB / 0.9881 GB, free: 4.973 MB / 0.9356 GB Notification: Performance of collectPreVariables (initialization): time 6.337e-05/0.01568, allocations: 45.69 kB / 0.9881 GB, free: 4.922 MB / 0.9356 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001079/0.01579, allocations: 124.6 kB / 0.9882 GB, free: 4.793 MB / 0.9356 GB Notification: Performance of collectInitialBindings (initialization): time 6.748e-05/0.01585, allocations: 59.58 kB / 0.9883 GB, free: 4.734 MB / 0.9356 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00014/0.01599, allocations: 77.61 kB / 0.9884 GB, free: 4.652 MB / 0.9356 GB Notification: Performance of setup shared object (initialization): time 0.000165/0.01616, allocations: 330.8 kB / 0.9887 GB, free: 4.32 MB / 0.9356 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002269/0.01639, allocations: 125.7 kB / 0.9888 GB, free: 4.191 MB / 0.9356 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002819/0.01667, allocations: 205.1 kB / 0.989 GB, free: 3.965 MB / 0.9356 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003207/0.01699, allocations: 209.1 kB / 0.9892 GB, free: 3.742 MB / 0.9356 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.755e-06/0.01699, allocations: 3.938 kB / 0.9892 GB, free: 3.738 MB / 0.9356 GB Notification: Performance of matching and sorting (n=38) (initialization): time 0.0005977/0.01759, allocations: 376.9 kB / 0.9896 GB, free: 3.352 MB / 0.9356 GB Notification: Performance of prepare postOptimizeDAE: time 5.022e-05/0.01764, allocations: 41.62 kB / 0.9896 GB, free: 3.305 MB / 0.9356 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.781e-05/0.01766, allocations: 4 kB / 0.9896 GB, free: 3.301 MB / 0.9356 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.797e-05/0.01768, allocations: 0 / 0.9896 GB, free: 3.301 MB / 0.9356 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001191/0.01779, allocations: 31.92 kB / 0.9896 GB, free: 3.27 MB / 0.9356 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.255e-06/0.0178, allocations: 0 / 0.9896 GB, free: 3.27 MB / 0.9356 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002768/0.01808, allocations: 51.91 kB / 0.9897 GB, free: 3.219 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.3e-05/0.01812, allocations: 16 kB / 0.9897 GB, free: 3.203 MB / 0.9356 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * Number of states: 0 () * Number of discrete variables: 31 ($whenCondition6,$whenCondition7,conChaWid.preBre.y,$PRE.conChaWid.preBre.u,$whenCondition1,conPul1.booPul.y,$PRE.conPul1.booPul.y,conChaWid.truFalHol.entryTimeFalse,$PRE.conChaWid.truFalHol.entryTimeFalse,conChaWid.truFalHol.entryTimeTrue,$PRE.conChaWid.truFalHol.entryTimeTrue,conChaWid.truFalHol.not_y,$PRE.conChaWid.truFalHol.not_y,conChaWid.truFalHol.not_u,$PRE.conChaWid.truFalHol.not_u,conChaWid.truFalHol.y,$PRE.conChaWid.truFalHol.y,conChaWid.truFalHol.u,$PRE.conChaWid.truFalHol.u,conChaWid.cycOut.t0,$PRE.conChaWid.cycOut.t0,conChaWid.preBre.u,conChaWid.edg2.y,conChaWid.edg2.u,$PRE.conChaWid.edg2.u,conChaWid.triSam.y,$PRE.conChaWid.triSam.y,$whenCondition2,$whenCondition3,$whenCondition4,$whenCondition5) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (36): * Single equations (assignments): 35 * Array equations: 0 * Algorithm blocks: 1 * 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 0.0002175/0.01834, allocations: 157.8 kB / 0.9899 GB, free: 3.043 MB / 0.9356 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 3.916e-05/0.01838, allocations: 19.86 kB / 0.9899 GB, free: 3.023 MB / 0.9356 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0006319/0.01901, allocations: 276.1 kB / 0.9901 GB, free: 2.75 MB / 0.9356 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.657e-06/0.01902, allocations: 4 kB / 0.9901 GB, free: 2.746 MB / 0.9356 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.449e-06/0.01902, allocations: 4 kB / 0.9901 GB, free: 2.742 MB / 0.9356 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.033e-06/0.01903, allocations: 7.922 kB / 0.9902 GB, free: 2.734 MB / 0.9356 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.000918/0.01994, allocations: 0.5675 MB / 0.9907 GB, free: 2.133 MB / 0.9356 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.773e-06/0.01995, allocations: 3.938 kB / 0.9907 GB, free: 2.129 MB / 0.9356 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 7.049e-05/0.02002, allocations: 11.98 kB / 0.9907 GB, free: 2.117 MB / 0.9356 GB Notification: Performance of postOpt tearingSystem (simulation): time 5.751e-06/0.02002, allocations: 4 kB / 0.9907 GB, free: 2.113 MB / 0.9356 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.54e-05/0.02005, allocations: 11.98 kB / 0.9907 GB, free: 2.102 MB / 0.9356 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.747e-06/0.02005, allocations: 4 kB / 0.9907 GB, free: 2.098 MB / 0.9356 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.52e-07/0.02005, allocations: 4 kB / 0.9907 GB, free: 2.094 MB / 0.9356 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0005591/0.02061, allocations: 364.2 kB / 0.9911 GB, free: 1.723 MB / 0.9356 GB Notification: Performance of postOpt removeConstants (simulation): time 3.239e-05/0.02064, allocations: 19.8 kB / 0.9911 GB, free: 1.703 MB / 0.9356 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.004e-05/0.02069, allocations: 15.98 kB / 0.9911 GB, free: 1.688 MB / 0.9356 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001558/0.02085, allocations: 15.98 kB / 0.9911 GB, free: 1.672 MB / 0.9356 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.46e-05/0.02093, allocations: 27.95 kB / 0.9912 GB, free: 1.645 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.949e-05/0.02096, allocations: 11.98 kB / 0.9912 GB, free: 1.633 MB / 0.9356 GB Notification: Performance of sorting global known variables: time 0.0001133/0.02108, allocations: 127.5 kB / 0.9913 GB, free: 1.508 MB / 0.9356 GB Notification: Performance of sort global known variables: time 1e-07/0.02108, allocations: 4 kB / 0.9913 GB, free: 1.504 MB / 0.9356 GB Notification: Performance of remove unused functions: time 0.0003302/0.02141, allocations: 59.94 kB / 0.9914 GB, free: 1.445 MB / 0.9356 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 20 (conChaWid.edg2.y,conChaWid.preBre.y,$whenCondition6,$whenCondition7,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,conChaWid.triSam.y,conChaWid.edg2.u,conChaWid.preBre.u,conChaWid.cycOut.t0,conChaWid.truFalHol.u,conChaWid.truFalHol.y,conChaWid.truFalHol.not_u,conChaWid.truFalHol.not_y,conChaWid.truFalHol.entryTimeTrue,conChaWid.truFalHol.entryTimeFalse,conPul1.booPul.y) * Number of discrete states: 8 (conChaWid.truFalHol.entryTimeFalse,conChaWid.truFalHol.entryTimeTrue,conChaWid.preBre.u,conChaWid.edg2.u,conChaWid.truFalHol.u,conChaWid.truFalHol.not_u,conChaWid.truFalHol.y,conChaWid.truFalHol.not_y) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (26): * Single equations (assignments): 20 * 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 0.0002359/0.02164, allocations: 135.2 kB / 0.9915 GB, free: 1.305 MB / 0.9356 GB Notification: Performance of simCode: created initialization part: time 0.0005835/0.02223, allocations: 313.1 kB / 0.9918 GB, free: 0.9805 MB / 0.9356 GB Notification: Performance of simCode: created event and clocks part: time 1.954e-06/0.02223, allocations: 4 kB / 0.9918 GB, free: 0.9766 MB / 0.9356 GB Notification: Performance of simCode: created simulation system equations: time 0.0002444/0.02247, allocations: 98.3 kB / 0.9919 GB, free: 0.8828 MB / 0.9356 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004204/0.02289, allocations: 51.97 kB / 0.9919 GB, free: 0.832 MB / 0.9356 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0007743/0.02367, allocations: 358.7 kB / 0.9923 GB, free: 468 kB / 0.9356 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001303/0.0238, allocations: 133 kB / 0.9924 GB, free: 312 kB / 0.9356 GB Notification: Performance of simCode: alias equations: time 8.979e-05/0.02389, allocations: 17.95 kB / 0.9924 GB, free: 296 kB / 0.9356 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 7.411e-05/0.02396, allocations: 28.48 kB / 0.9924 GB, free: 268 kB / 0.9356 GB Notification: Performance of SimCode: time 6.12e-07/0.02396, allocations: 0 / 0.9924 GB, free: 268 kB / 0.9356 GB Notification: Performance of Templates: time 0.008348/0.03231, allocations: 3.54 MB / 0.9959 GB, free: 12.8 MB / 0.9512 GB " [Timeout remaining time 300] make -j1 -f Buildings_12_Buildings.Controls.OBC.CDL.Logical.Validation.VariablePulseMinHold.makefile [Timeout 300] (rm -f Buildings_12_Buildings.Controls.OBC.CDL.Logical.Validation.VariablePulseMinHold.pipe ; mkfifo Buildings_12_Buildings.Controls.OBC.CDL.Logical.Validation.VariablePulseMinHold.pipe ; head -c 1048576 < Buildings_12_Buildings.Controls.OBC.CDL.Logical.Validation.VariablePulseMinHold.pipe >> ../files/Buildings_12_Buildings.Controls.OBC.CDL.Logical.Validation.VariablePulseMinHold.sim & ./Buildings_12_Buildings.Controls.OBC.CDL.Logical.Validation.VariablePulseMinHold -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_12_Buildings.Controls.OBC.CDL.Logical.Validation.VariablePulseMinHold.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_12_Buildings.Controls.OBC.CDL.Logical.Validation.VariablePulseMinHold_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Controls_OBC_CDL_Logical_Validation_VariablePulseMinHold.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Controls.OBC.CDL.Logical.Validation.VariablePulseMinHold.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: 8.353188894689083]