Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillator_N_100.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 0.001368/0.001368, allocations: 80.8 kB / 21.5 MB, free: 2.996 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 0.001184/0.001184, allocations: 172.9 kB / 24.91 MB, free: 9.211 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 0.9303/0.9303, allocations: 177.1 MB / 205.3 MB, free: 5.508 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite master/package.mo): time 0.595/0.595, allocations: 88.08 MB / 349.9 MB, free: 14.17 MB / 330.7 MB " [Timeout remaining time 179] Using package ScalableTestSuite with version 2.2.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite 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(ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillator_N_100,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="der.v.[0-9,]+..|der.x.[0-9,]+..|time|v.[0-9,]+.|x.[0-9,]+.",fileNamePrefix="ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillator_N_100") translateModel(ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillator_N_100,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="der.v.[0-9,]+..|der.x.[0-9,]+..|time|v.[0-9,]+.|x.[0-9,]+.",fileNamePrefix="ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillator_N_100") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.603e-06/1.603e-06, allocations: 0 / 398.9 MB, free: 13.55 MB / 378.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.769e-05/2.93e-05, allocations: 4.703 kB / 398.9 MB, free: 13.55 MB / 378.7 MB Notification: Performance of NFInst.instantiate(ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillator_N_100): time 0.002264/0.002293, allocations: 1.255 MB / 400.1 MB, free: 12.28 MB / 378.7 MB Notification: Performance of NFInst.instExpressions: time 0.0002131/0.002506, allocations: 43.88 kB / 400.2 MB, free: 12.24 MB / 378.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 3.431e-05/0.002541, allocations: 0 / 400.2 MB, free: 12.24 MB / 378.7 MB Notification: Performance of NFTyping.typeComponents: time 9.011e-05/0.002631, allocations: 0 / 400.2 MB, free: 12.24 MB / 378.7 MB Notification: Performance of NFTyping.typeBindings: time 7.43e-05/0.002705, allocations: 15.86 kB / 400.2 MB, free: 12.22 MB / 378.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.0001834/0.002888, allocations: 15.97 kB / 400.2 MB, free: 12.21 MB / 378.7 MB Notification: Performance of NFFlatten.flatten: time 0.001313/0.004201, allocations: 1.463 MB / 401.7 MB, free: 10.74 MB / 378.7 MB Notification: Performance of NFFlatten.resolveConnections: time 5.034e-05/0.004251, allocations: 11.98 kB / 401.7 MB, free: 10.73 MB / 378.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.000929/0.00518, allocations: 0.6633 MB / 402.3 MB, free: 10.07 MB / 378.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0009091/0.00609, allocations: 0.5811 MB / 402.9 MB, free: 9.484 MB / 378.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0001737/0.006263, allocations: 76 kB / 403 MB, free: 9.41 MB / 378.7 MB Notification: Performance of NFFlatten.collectFunctions: time 8.128e-05/0.006345, allocations: 80 kB / 403.1 MB, free: 9.332 MB / 378.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0002597/0.006604, allocations: 451 kB / 403.5 MB, free: 8.891 MB / 378.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0003165/0.006921, allocations: 411.1 kB / 403.9 MB, free: 8.488 MB / 378.7 MB Notification: Performance of NFConvertDAE.convert: time 0.0005546/0.007475, allocations: 0.9189 MB / 404.8 MB, free: 7.566 MB / 378.7 MB Notification: Performance of FrontEnd - DAE generated: time 2.595e-06/0.007478, allocations: 0 / 404.8 MB, free: 7.566 MB / 378.7 MB Notification: Performance of FrontEnd: time 1.152e-06/0.007479, allocations: 0 / 404.8 MB, free: 7.566 MB / 378.7 MB Notification: Performance of Transformations before backend: time 1.114e-05/0.00749, allocations: 0 / 404.8 MB, free: 7.566 MB / 378.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 200 * Number of variables: 200 Notification: Performance of Generate backend data structure: time 0.001927/0.009417, allocations: 1.49 MB / 406.3 MB, free: 6.047 MB / 378.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.755e-05/0.009455, allocations: 12.03 kB / 406.3 MB, free: 6.035 MB / 378.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001911/0.009646, allocations: 156.8 kB / 406.5 MB, free: 5.883 MB / 378.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003572/0.01, allocations: 292.8 kB / 406.8 MB, free: 5.57 MB / 378.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.713e-05/0.01006, allocations: 106.4 kB / 406.9 MB, free: 5.465 MB / 378.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002029/0.01026, allocations: 243.9 kB / 407.1 MB, free: 5.227 MB / 378.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.000607/0.01087, allocations: 0.6048 MB / 407.7 MB, free: 4.613 MB / 378.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 4.573e-05/0.01092, allocations: 39.95 kB / 407.8 MB, free: 4.574 MB / 378.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.687e-05/0.01097, allocations: 28.38 kB / 407.8 MB, free: 4.547 MB / 378.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.415e-05/0.01099, allocations: 20.38 kB / 407.8 MB, free: 4.527 MB / 378.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004942/0.01148, allocations: 421.4 kB / 408.2 MB, free: 4.117 MB / 378.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0006378/0.01212, allocations: 0.5399 MB / 408.8 MB, free: 3.559 MB / 378.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0004788/0.0126, allocations: 0.4924 MB / 409.2 MB, free: 3.059 MB / 378.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003057/0.0129, allocations: 282.8 kB / 409.5 MB, free: 2.781 MB / 378.7 MB Notification: Performance of preOpt evalFunc (simulation): time 7.311e-05/0.01298, allocations: 34 kB / 409.6 MB, free: 2.75 MB / 378.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.48e-05/0.01301, allocations: 56.56 kB / 409.6 MB, free: 2.684 MB / 378.7 MB Notification: Performance of pre-optimization done (n=200): time 3.497e-06/0.01301, allocations: 0 / 409.6 MB, free: 2.684 MB / 378.7 MB Notification: Performance of matching and sorting (n=200): time 0.001157/0.01417, allocations: 1 MB / 410.6 MB, free: 1.672 MB / 378.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 5.235e-05/0.01422, allocations: 73.41 kB / 410.7 MB, free: 1.59 MB / 378.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 9.405e-05/0.01432, allocations: 174.5 kB / 410.9 MB, free: 1.406 MB / 378.7 MB Notification: Performance of collectPreVariables (initialization): time 9.286e-05/0.01441, allocations: 89.7 kB / 410.9 MB, free: 1.312 MB / 378.7 MB Notification: Performance of collectInitialEqns (initialization): time 5.454e-05/0.01446, allocations: 124.8 kB / 411.1 MB, free: 1.184 MB / 378.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0004345/0.0149, allocations: 0.9218 MB / 412 MB, free: 260 kB / 378.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003764/0.01528, allocations: 0.5224 MB / 412.5 MB, free: 15.72 MB / 394.7 MB Notification: Performance of setup shared object (initialization): time 6.72e-05/0.01534, allocations: 313.9 kB / 412.8 MB, free: 15.41 MB / 394.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003116/0.01565, allocations: 274.1 kB / 413.1 MB, free: 15.14 MB / 394.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006814/0.01634, allocations: 1.05 MB / 414.1 MB, free: 13.78 MB / 394.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001171/0.01751, allocations: 1.556 MB / 415.7 MB, free: 11.91 MB / 394.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.261e-05/0.01752, allocations: 11.94 kB / 415.7 MB, free: 11.9 MB / 394.7 MB Notification: Performance of matching and sorting (n=400) (initialization): time 0.001326/0.01885, allocations: 1.423 MB / 417.1 MB, free: 10.47 MB / 394.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.46e-05/0.01887, allocations: 12 kB / 417.1 MB, free: 10.46 MB / 394.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.958e-05/0.01889, allocations: 24.91 kB / 417.2 MB, free: 10.44 MB / 394.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 3.315e-05/0.01892, allocations: 36.19 kB / 417.2 MB, free: 10.4 MB / 394.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001818/0.02074, allocations: 0.7997 MB / 418 MB, free: 9.602 MB / 394.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.357e-05/0.02079, allocations: 55.8 kB / 418.1 MB, free: 9.547 MB / 394.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004667/0.02126, allocations: 242.3 kB / 418.3 MB, free: 9.309 MB / 394.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.764e-05/0.02135, allocations: 95.98 kB / 418.4 MB, free: 9.215 MB / 394.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 101 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (400): * Single equations (assignments): 400 * Array equations: 0 * Algorithm blocks: 0 * 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 0.0003073/0.02166, allocations: 295.6 kB / 418.7 MB, free: 8.914 MB / 394.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001228/0.02178, allocations: 107.9 kB / 418.8 MB, free: 8.809 MB / 394.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0001494/0.02193, allocations: 175 kB / 418.9 MB, free: 8.633 MB / 394.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.231e-05/0.02194, allocations: 23.98 kB / 419 MB, free: 8.609 MB / 394.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 9.087e-06/0.02195, allocations: 0 / 419 MB, free: 8.609 MB / 394.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.078e-05/0.02196, allocations: 7.969 kB / 419 MB, free: 8.602 MB / 394.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.000522/0.02248, allocations: 0.5066 MB / 419.5 MB, free: 8.074 MB / 394.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.296e-06/0.02249, allocations: 4 kB / 419.5 MB, free: 8.07 MB / 394.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00199/0.02448, allocations: 0.6439 MB / 420.1 MB, free: 7.426 MB / 394.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 8.346e-06/0.02448, allocations: 8 kB / 420.1 MB, free: 7.418 MB / 394.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001377/0.02462, allocations: 103.9 kB / 420.2 MB, free: 7.316 MB / 394.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.05e-06/0.02463, allocations: 4 kB / 420.2 MB, free: 7.312 MB / 394.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.747e-06/0.02463, allocations: 7.984 kB / 420.3 MB, free: 7.305 MB / 394.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001296/0.02593, allocations: 1.544 MB / 421.8 MB, free: 5.723 MB / 394.7 MB Notification: Performance of postOpt removeConstants (simulation): time 5.225e-05/0.02598, allocations: 95.12 kB / 421.9 MB, free: 5.629 MB / 394.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001485/0.02613, allocations: 95.89 kB / 422 MB, free: 5.535 MB / 394.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002649/0.02639, allocations: 44 kB / 422 MB, free: 5.492 MB / 394.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001148/0.02651, allocations: 117.7 kB / 422.1 MB, free: 5.375 MB / 394.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.432e-05/0.02656, allocations: 43.95 kB / 422.2 MB, free: 5.332 MB / 394.7 MB Notification: Performance of sorting global known variables: time 1.494e-05/0.02658, allocations: 8.859 kB / 422.2 MB, free: 5.32 MB / 394.7 MB Notification: Performance of sort global known variables: time 6e-08/0.02658, allocations: 0 / 422.2 MB, free: 5.32 MB / 394.7 MB Notification: Performance of remove unused functions: time 0.0005754/0.02715, allocations: 400 kB / 422.6 MB, free: 4.93 MB / 394.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 200 (x[1],x[2],x[3],x[4],x[5],x[6],x[7],x[8],x[9],x[10],x[11],x[12],x[13],x[14],x[15],x[16],x[17],x[18],x[19],x[20],x[21],x[22],x[23],x[24],x[25],x[26],x[27],x[28],x[29],x[30],x[31],x[32],x[33],x[34],x[35],x[36],x[37],x[38],x[39],x[40],x[41],x[42],x[43],x[44],x[45],x[46],x[47],x[48],x[49],x[50],x[51],x[52],x[53],x[54],x[55],x[56],x[57],x[58],x[59],x[60],x[61],x[62],x[63],x[64],x[65],x[66],x[67],x[68],x[69],x[70],x[71],x[72],x[73],x[74],x[75],x[76],x[77],x[78],x[79],x[80],x[81],x[82],x[83],x[84],x[85],x[86],x[87],x[88],x[89],x[90],x[91],x[92],x[93],x[94],x[95],x[96],x[97],x[98],x[99],x[100],v[1],v[2],v[3],v[4],v[5],v[6],v[7],v[8],v[9],v[10],v[11],v[12],v[13],v[14],v[15],v[16],v[17],v[18],v[19],v[20],v[21],v[22],v[23],v[24],v[25],v[26],v[27],v[28],v[29],v[30],v[31],v[32],v[33],v[34],v[35],v[36],v[37],v[38],v[39],v[40],v[41],v[42],v[43],v[44],v[45],v[46],v[47],v[48],v[49],v[50],v[51],v[52],v[53],v[54],v[55],v[56],v[57],v[58],v[59],v[60],v[61],v[62],v[63],v[64],v[65],v[66],v[67],v[68],v[69],v[70],v[71],v[72],v[73],v[74],v[75],v[76],v[77],v[78],v[79],v[80],v[81],v[82],v[83],v[84],v[85],v[86],v[87],v[88],v[89],v[90],v[91],v[92],v[93],v[94],v[95],v[96],v[97],v[98],v[99],v[100]) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (200): * Single equations (assignments): 200 * Array equations: 0 * Algorithm blocks: 0 * 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 Backend phase and start with SimCode phase: time 0.0002491/0.0274, allocations: 237.3 kB / 422.8 MB, free: 4.688 MB / 394.7 MB Notification: Performance of simCode: created initialization part: time 0.0009997/0.0284, allocations: 1.157 MB / 424 MB, free: 3.535 MB / 394.7 MB Notification: Performance of simCode: created event and clocks part: time 3.216e-06/0.0284, allocations: 0 / 424 MB, free: 3.535 MB / 394.7 MB Notification: Performance of simCode: created simulation system equations: time 0.0004253/0.02883, allocations: 0.5312 MB / 424.5 MB, free: 3 MB / 394.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0002251/0.02905, allocations: 80.72 kB / 424.6 MB, free: 2.922 MB / 394.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003063/0.03212, allocations: 4.223 MB / 428.8 MB, free: 14.64 MB / 410.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001584/0.03228, allocations: 306 kB / 429.1 MB, free: 14.32 MB / 410.7 MB Notification: Performance of simCode: alias equations: time 0.0004878/0.03276, allocations: 166.5 kB / 429.3 MB, free: 14.15 MB / 410.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003862/0.03315, allocations: 231.3 kB / 429.5 MB, free: 13.93 MB / 410.7 MB Notification: Performance of SimCode: time 1.142e-06/0.03315, allocations: 0 / 429.5 MB, free: 13.93 MB / 410.7 MB Notification: Performance of Templates: time 0.01333/0.04648, allocations: 11.32 MB / 440.8 MB, free: 2.68 MB / 410.7 MB " [Timeout remaining time 300] make -j1 -f ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillator_N_100.makefile [Timeout 300] (rm -f ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillator_N_100.pipe ; mkfifo ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillator_N_100.pipe ; head -c 1048576 < ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillator_N_100.pipe >> ../files/ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillator_N_100.sim & ./ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillator_N_100 -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillator_N_100.pipe 2>&1) [Timeout 240] diffSimulationResults("ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillator_N_100_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/ReferenceFiles/ScalableTestSuite/ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillator_N_100_res.mat","",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 3.846952096093446]