Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_4.0.0_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.InductionMachines.IMC_Transformer.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00139/0.00139, allocations: 78.28 kB / 21.42 MB, free: 3.078 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001522/0.001522, allocations: 154.3 kB / 24.8 MB, free: 9.289 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.004/1.004, allocations: 173.3 MB / 201.4 MB, free: 9.215 MB / 186.7 MB " [Timeout remaining time 179] Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.InductionMachines.IMC_Transformer,tolerance=1e-06,outputFormat="mat",numberOfIntervals=25000,variableFilter="time|aimc.rotorCage.electroMagneticConverter.singlePhaseElectroMagneticConverter.[0-9,]+..Phi.re|aimc.rotorCage.electroMagneticConverter.singlePhaseElectroMagneticConverter.[0-9,]+..Phi.im|aimc.stator.electroMagneticConverter.singlePhaseElectroMagneticConverter.[0-9,]+..Phi.re|aimc.stator.electroMagneticConverter.singlePhaseElectroMagneticConverter.[0-9,]+..Phi.im|// aimc.stator.zeroInductor.i0|aimc.is.[0-9,]+.|loadInertia.phi|loadInertia.w|transformer.l2sigma.inductor.[0-9,]+..i",fileNamePrefix="Modelica_4.0.0_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.InductionMachines.IMC_Transformer") translateModel(Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.InductionMachines.IMC_Transformer,tolerance=1e-06,outputFormat="mat",numberOfIntervals=25000,variableFilter="time|aimc.rotorCage.electroMagneticConverter.singlePhaseElectroMagneticConverter.[0-9,]+..Phi.re|aimc.rotorCage.electroMagneticConverter.singlePhaseElectroMagneticConverter.[0-9,]+..Phi.im|aimc.stator.electroMagneticConverter.singlePhaseElectroMagneticConverter.[0-9,]+..Phi.re|aimc.stator.electroMagneticConverter.singlePhaseElectroMagneticConverter.[0-9,]+..Phi.im|// aimc.stator.zeroInductor.i0|aimc.is.[0-9,]+.|loadInertia.phi|loadInertia.w|transformer.l2sigma.inductor.[0-9,]+..i",fileNamePrefix="Modelica_4.0.0_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.InductionMachines.IMC_Transformer") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.643e-06/1.643e-06, allocations: 0 / 268.4 MB, free: 6.164 MB / 250.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.11e-05/2.274e-05, allocations: 2.312 kB / 268.4 MB, free: 6.16 MB / 250.7 MB Notification: Performance of NFInst.instantiate(Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.InductionMachines.IMC_Transformer): time 0.01734/0.01737, allocations: 16.08 MB / 284.5 MB, free: 6.008 MB / 266.7 MB Notification: Performance of NFInst.instExpressions: time 0.01086/0.02823, allocations: 5.572 MB / 290.1 MB, free: 428 kB / 266.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002801/0.03103, allocations: 139.1 kB / 290.2 MB, free: 288 kB / 266.7 MB Notification: Performance of NFTyping.typeComponents: time 0.1153/0.1464, allocations: 1.343 MB / 291.6 MB, free: 15.52 MB / 266.7 MB Notification: Performance of NFTyping.typeBindings: time 0.008092/0.1545, allocations: 1.898 MB / 293.5 MB, free: 15.26 MB / 266.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.004054/0.1585, allocations: 1.024 MB / 294.5 MB, free: 15.25 MB / 266.7 MB Notification: Performance of NFFlatten.flatten: time 0.00993/0.1684, allocations: 6.536 MB / 301 MB, free: 13.42 MB / 266.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.006702/0.1751, allocations: 2.773 MB / 303.8 MB, free: 12.14 MB / 266.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.01344/0.1886, allocations: 4.567 MB / 308.4 MB, free: 10.2 MB / 266.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.007114/0.1957, allocations: 3.197 MB / 311.6 MB, free: 8.727 MB / 266.7 MB Notification: Performance of NFPackage.collectConstants: time 0.002798/0.1985, allocations: 0.7808 MB / 312.3 MB, free: 8.727 MB / 266.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.004187/0.2027, allocations: 1.058 MB / 313.4 MB, free: 8.27 MB / 266.7 MB Notification: Performance of NFScalarize.scalarize: time 0.001543/0.2042, allocations: 1.929 MB / 315.3 MB, free: 6.441 MB / 266.7 MB Notification: Performance of NFVerifyModel.verify: time 0.003776/0.208, allocations: 2.306 MB / 317.6 MB, free: 4.227 MB / 266.7 MB Notification: Performance of NFConvertDAE.convert: time 0.005631/0.2136, allocations: 5.514 MB / 323.1 MB, free: 15 MB / 282.7 MB Notification: Performance of FrontEnd - DAE generated: time 5.801e-06/0.2136, allocations: 0 / 323.1 MB, free: 15 MB / 282.7 MB Notification: Performance of FrontEnd: time 1.533e-06/0.2136, allocations: 0 / 323.1 MB, free: 15 MB / 282.7 MB Notification: Performance of Transformations before backend: time 0.0001839/0.2138, allocations: 0 / 323.1 MB, free: 15 MB / 282.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1287 * Number of variables: 1287 Notification: Performance of Generate backend data structure: time 0.009139/0.223, allocations: 6.683 MB / 329.8 MB, free: 8.559 MB / 282.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.713e-05/0.223, allocations: 12.92 kB / 329.8 MB, free: 8.547 MB / 282.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003091/0.2261, allocations: 1.553 MB / 331.4 MB, free: 6.996 MB / 282.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003743/0.2298, allocations: 3.216 MB / 334.6 MB, free: 3.875 MB / 282.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001904/0.23, allocations: 366.2 kB / 335 MB, free: 3.52 MB / 282.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004723/0.2305, allocations: 486.8 kB / 335.4 MB, free: 3.051 MB / 282.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004562/0.2351, allocations: 3.768 MB / 339.2 MB, free: 15.33 MB / 298.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 7.164e-05/0.2351, allocations: 14.45 kB / 339.2 MB, free: 15.32 MB / 298.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002981/0.2354, allocations: 198.7 kB / 339.4 MB, free: 15.13 MB / 298.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001627/0.2356, allocations: 237.8 kB / 339.7 MB, free: 14.89 MB / 298.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002525/0.2381, allocations: 1.403 MB / 341.1 MB, free: 13.48 MB / 298.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01748/0.2556, allocations: 16.12 MB / 357.2 MB, free: 14.06 MB / 314.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.003114/0.2587, allocations: 2.865 MB / 360 MB, free: 11.54 MB / 314.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.00124/0.26, allocations: 1.045 MB / 361.1 MB, free: 10.52 MB / 314.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.005365/0.2653, allocations: 3.685 MB / 364.8 MB, free: 6.945 MB / 314.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.404e-05/0.2654, allocations: 59.39 kB / 364.8 MB, free: 6.879 MB / 314.7 MB Notification: Performance of pre-optimization done (n=219): time 3.277e-06/0.2654, allocations: 0 / 364.8 MB, free: 6.879 MB / 314.7 MB Notification: Performance of matching and sorting (n=226): time 0.007708/0.2731, allocations: 4.316 MB / 369.1 MB, free: 2.609 MB / 314.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 4.726e-05/0.2731, allocations: 77.41 kB / 369.2 MB, free: 2.52 MB / 314.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002216/0.2753, allocations: 2.144 MB / 371.4 MB, free: 0.6953 MB / 314.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0001088/0.2755, allocations: 61.7 kB / 371.4 MB, free: 0.6289 MB / 314.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.001404/0.2769, allocations: 2.39 MB / 373.8 MB, free: 14.36 MB / 330.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0005375/0.2774, allocations: 0.8278 MB / 374.6 MB, free: 13.58 MB / 330.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005318/0.2779, allocations: 0.499 MB / 375.1 MB, free: 13.12 MB / 330.7 MB Notification: Performance of setup shared object (initialization): time 0.0001107/0.278, allocations: 484.7 kB / 375.6 MB, free: 12.65 MB / 330.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004454/0.2785, allocations: 300.4 kB / 375.9 MB, free: 12.36 MB / 330.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001148/0.2796, allocations: 1.218 MB / 377.1 MB, free: 10.84 MB / 330.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.002062/0.2817, allocations: 1.706 MB / 378.8 MB, free: 8.918 MB / 330.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.183e-05/0.2817, allocations: 4 kB / 378.8 MB, free: 8.914 MB / 330.7 MB Notification: Performance of matching and sorting (n=328) (initialization): time 0.002889/0.2846, allocations: 2.106 MB / 380.9 MB, free: 6.926 MB / 330.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.142e-05/0.2846, allocations: 16 kB / 381 MB, free: 6.91 MB / 330.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.149e-05/0.2846, allocations: 23.28 kB / 381 MB, free: 6.891 MB / 330.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.001391/0.286, allocations: 0.6211 MB / 381.6 MB, free: 6.266 MB / 330.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00116/0.2872, allocations: 0.5437 MB / 382.1 MB, free: 5.754 MB / 330.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005916/0.2931, allocations: 9.789 MB / 391.9 MB, free: 11.65 MB / 346.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001648/0.2948, allocations: 87.88 kB / 392 MB, free: 11.57 MB / 346.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001341/0.2949, allocations: 80 kB / 392.1 MB, free: 11.49 MB / 346.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 82 * Number of states: 0 () * Number of discrete variables: 6 (booleanStep2[3].y,booleanStep2[2].y,booleanStep2[1].y,idealCloser.control[3],idealCloser.control[2],idealCloser.control[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (278): * Single equations (assignments): 273 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 1 system {(2,100.0%)} * Non-linear Jacobian (size): 0 systems * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 4 systems {(3,25,77.8%), (1,8,100.0%), (1,1,100.0%), (1,13,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.001142/0.296, allocations: 322.8 kB / 392.4 MB, free: 11.2 MB / 346.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004746/0.2965, allocations: 370.1 kB / 392.8 MB, free: 10.84 MB / 346.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002463/0.299, allocations: 1.859 MB / 394.6 MB, free: 8.988 MB / 346.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.367e-05/0.299, allocations: 27.41 kB / 394.7 MB, free: 8.965 MB / 346.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.521e-05/0.299, allocations: 15.94 kB / 394.7 MB, free: 8.949 MB / 346.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.328e-05/0.299, allocations: 15.95 kB / 394.7 MB, free: 8.934 MB / 346.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005998/0.305, allocations: 4.463 MB / 399.2 MB, free: 4.77 MB / 346.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.721e-06/0.305, allocations: 0 / 399.2 MB, free: 4.77 MB / 346.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007624/0.3058, allocations: 324.8 kB / 399.5 MB, free: 4.465 MB / 346.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.00162/0.3074, allocations: 0.7553 MB / 400.2 MB, free: 3.703 MB / 346.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001269/0.3075, allocations: 55.98 kB / 400.3 MB, free: 3.648 MB / 346.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.008834/0.3164, allocations: 14.57 MB / 414.8 MB, free: 4.566 MB / 362.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.495e-06/0.3164, allocations: 4 kB / 414.8 MB, free: 4.562 MB / 362.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003805/0.3202, allocations: 2.458 MB / 417.3 MB, free: 2.074 MB / 362.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0009294/0.3211, allocations: 0.5019 MB / 417.8 MB, free: 1.57 MB / 362.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002262/0.3213, allocations: 51.94 kB / 417.9 MB, free: 1.52 MB / 362.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006211/0.3219, allocations: 91.95 kB / 417.9 MB, free: 1.43 MB / 362.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003276/0.3223, allocations: 185.6 kB / 418.1 MB, free: 1.25 MB / 362.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.505e-05/0.3224, allocations: 43.98 kB / 418.2 MB, free: 1.207 MB / 362.7 MB Notification: Performance of sorting global known variables: time 0.001081/0.3234, allocations: 1.117 MB / 419.3 MB, free: 192 kB / 362.7 MB Notification: Performance of sort global known variables: time 8e-08/0.3234, allocations: 0 / 419.3 MB, free: 192 kB / 362.7 MB Notification: Performance of remove unused functions: time 0.002321/0.3258, allocations: 0.931 MB / 420.2 MB, free: 15.25 MB / 378.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 9 * Number of states: 9 (aimc.inertiaRotor.w,aimc.stator.zeroInductor.i0,aimc.stator.core.Phi.re,aimc.stator.core.Phi.im,aimc.rotorCage.electroMagneticConverter.singlePhaseElectroMagneticConverter[3].Phi.re,aimc.rotorCage.electroMagneticConverter.singlePhaseElectroMagneticConverter[3].Phi.im,transformer.l1sigma.inductor[2].i,transformer.l1sigma.inductor[3].i,quadraticLoadTorque.phi) * Number of discrete variables: 6 (idealCloser.control[1],idealCloser.control[2],idealCloser.control[3],booleanStep2[1].y,booleanStep2[2].y,booleanStep2[3].y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (156): * Single equations (assignments): 150 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 6 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 6 systems {(1,8,100.0%), (2,26,100.0%), (1,1,100.0%), (1,8,100.0%), (1,13,100.0%), (2,12,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0004933/0.3263, allocations: 268.1 kB / 420.5 MB, free: 15 MB / 378.7 MB Notification: Performance of simCode: created initialization part: time 0.002684/0.3289, allocations: 2.268 MB / 422.8 MB, free: 12.69 MB / 378.7 MB Notification: Performance of simCode: created event and clocks part: time 4.198e-06/0.3289, allocations: 9.875 kB / 422.8 MB, free: 12.68 MB / 378.7 MB Notification: Performance of simCode: created simulation system equations: time 0.001784/0.3307, allocations: 2.109 MB / 424.9 MB, free: 10.5 MB / 378.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001962/0.3327, allocations: 0.7448 MB / 425.6 MB, free: 9.758 MB / 378.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01152/0.3442, allocations: 7.988 MB / 433.6 MB, free: 1.707 MB / 378.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001118/0.3453, allocations: 1.311 MB / 434.9 MB, free: 380 kB / 378.7 MB Notification: Performance of simCode: alias equations: time 0.001299/0.3466, allocations: 368.2 kB / 435.3 MB, free: 8 kB / 378.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.1124/0.459, allocations: 0.7624 MB / 436 MB, free: 100.8 MB / 378.7 MB Notification: Performance of SimCode: time 1.402e-06/0.459, allocations: 0 / 436 MB, free: 100.8 MB / 378.7 MB Notification: Performance of Templates: time 0.06442/0.5234, allocations: 46.14 MB / 482.2 MB, free: 76.41 MB / 378.7 MB " [Timeout remaining time 659] make -j1 -f Modelica_4.0.0_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.InductionMachines.IMC_Transformer.makefile [Timeout 660] (rm -f Modelica_4.0.0_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.InductionMachines.IMC_Transformer.pipe ; mkfifo Modelica_4.0.0_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.InductionMachines.IMC_Transformer.pipe ; head -c 1048576 < Modelica_4.0.0_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.InductionMachines.IMC_Transformer.pipe >> ../files/Modelica_4.0.0_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.InductionMachines.IMC_Transformer.sim & ./Modelica_4.0.0_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.InductionMachines.IMC_Transformer -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Modelica_4.0.0_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.InductionMachines.IMC_Transformer.pipe 2>&1) [Timeout 240] diffSimulationResults("Modelica_4.0.0_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.InductionMachines.IMC_Transformer_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/Modelica/Magnetic/FundamentalWave/Examples/BasicMachines/InductionMachines/IMC_Transformer/IMC_Transformer.csv","",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "" [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 4.412816904019564]