Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_3.2.3_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.AIMC_YD.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 0.00102/0.00102, allocations: 75.77 kB / 22.45 MB, free: 2.094 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 0.001199/0.001199, allocations: 158.9 kB / 25.74 MB, free: 8.953 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 0.9488/0.9488, allocations: 158.6 MB / 187.5 MB, free: 2.941 MB / 170.7 MB " [Timeout remaining time 179] Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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(Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.AIMC_YD,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",fileNamePrefix="Modelica_3.2.3_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.AIMC_YD") translateModel(Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.AIMC_YD,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",fileNamePrefix="Modelica_3.2.3_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.AIMC_YD") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.513e-06/1.513e-06, allocations: 0 / 251.1 MB, free: 7.785 MB / 234.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.011e-05/2.162e-05, allocations: 2.312 kB / 251.1 MB, free: 7.781 MB / 234.7 MB Notification: Performance of NFInst.instantiate(Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.AIMC_YD): time 0.01579/0.01581, allocations: 13.47 MB / 264.6 MB, free: 10.25 MB / 250.7 MB Notification: Performance of NFInst.instExpressions: time 0.008271/0.02408, allocations: 4.435 MB / 269 MB, free: 5.797 MB / 250.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.00169/0.02577, allocations: 91.38 kB / 269.1 MB, free: 5.707 MB / 250.7 MB Notification: Performance of NFTyping.typeComponents: time 0.002524/0.02829, allocations: 1.048 MB / 270.2 MB, free: 4.652 MB / 250.7 MB Notification: Performance of NFTyping.typeBindings: time 0.003335/0.03163, allocations: 1.417 MB / 271.6 MB, free: 3.227 MB / 250.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.001691/0.03332, allocations: 0.9157 MB / 272.5 MB, free: 2.309 MB / 250.7 MB Notification: Performance of NFFlatten.flatten: time 0.005116/0.03844, allocations: 4.947 MB / 277.4 MB, free: 13.34 MB / 266.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.003095/0.04153, allocations: 1.947 MB / 279.4 MB, free: 11.32 MB / 266.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.004489/0.04602, allocations: 3.303 MB / 282.7 MB, free: 8.016 MB / 266.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.003645/0.04966, allocations: 2.331 MB / 285 MB, free: 5.68 MB / 266.7 MB Notification: Performance of NFPackage.collectConstants: time 0.00136/0.05102, allocations: 0.5898 MB / 285.6 MB, free: 5.09 MB / 266.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001351/0.05238, allocations: 0.7808 MB / 286.4 MB, free: 4.309 MB / 266.7 MB Notification: Performance of NFScalarize.scalarize: time 0.001205/0.05358, allocations: 1.402 MB / 287.8 MB, free: 2.902 MB / 266.7 MB Notification: Performance of NFVerifyModel.verify: time 0.00252/0.0561, allocations: 1.692 MB / 289.5 MB, free: 1.207 MB / 266.7 MB Notification: Performance of NFConvertDAE.convert: time 0.005432/0.06153, allocations: 4.062 MB / 293.6 MB, free: 13.13 MB / 282.7 MB Notification: Performance of FrontEnd - DAE generated: time 5.5e-06/0.06154, allocations: 0 / 293.6 MB, free: 13.13 MB / 282.7 MB Notification: Performance of FrontEnd: time 1.864e-06/0.06154, allocations: 0 / 293.6 MB, free: 13.13 MB / 282.7 MB Notification: Performance of Transformations before backend: time 0.0001239/0.06166, allocations: 0 / 293.6 MB, free: 13.13 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: 945 * Number of variables: 945 Notification: Performance of Generate backend data structure: time 0.01011/0.07177, allocations: 5.323 MB / 298.9 MB, free: 7.742 MB / 282.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.54e-05/0.07182, allocations: 11.98 kB / 298.9 MB, free: 7.73 MB / 282.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003143/0.07496, allocations: 1.345 MB / 300.2 MB, free: 6.383 MB / 282.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003204/0.07816, allocations: 2.435 MB / 302.7 MB, free: 3.902 MB / 282.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001475/0.07831, allocations: 275.6 kB / 302.9 MB, free: 3.633 MB / 282.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003514/0.07866, allocations: 364.3 kB / 303.3 MB, free: 3.277 MB / 282.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004138/0.0828, allocations: 2.976 MB / 306.3 MB, free: 204 kB / 282.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 6.122e-05/0.08286, allocations: 11.95 kB / 306.3 MB, free: 192 kB / 282.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002165/0.08308, allocations: 151.9 kB / 306.4 MB, free: 40 kB / 282.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001204/0.0832, allocations: 163.2 kB / 306.6 MB, free: 15.88 MB / 298.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003116/0.08631, allocations: 1.381 MB / 308 MB, free: 14.49 MB / 298.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01449/0.1008, allocations: 12.6 MB / 320.6 MB, free: 1.539 MB / 298.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.003564/0.1044, allocations: 2.325 MB / 322.9 MB, free: 15.38 MB / 314.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.001269/0.1056, allocations: 0.8029 MB / 323.7 MB, free: 14.59 MB / 314.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.004901/0.1105, allocations: 2.79 MB / 326.5 MB, free: 11.77 MB / 314.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.17e-05/0.1106, allocations: 46.7 kB / 326.5 MB, free: 11.71 MB / 314.7 MB Notification: Performance of pre-optimization done (n=161): time 3.707e-06/0.1106, allocations: 0 / 326.5 MB, free: 11.71 MB / 314.7 MB Notification: Performance of matching and sorting (n=164): time 0.009368/0.12, allocations: 4.622 MB / 331.2 MB, free: 7.035 MB / 314.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 3.987e-05/0.12, allocations: 68.72 kB / 331.2 MB, free: 6.957 MB / 314.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001887/0.1219, allocations: 1.692 MB / 332.9 MB, free: 5.211 MB / 314.7 MB Notification: Performance of collectPreVariables (initialization): time 8.511e-05/0.122, allocations: 53.7 kB / 333 MB, free: 5.152 MB / 314.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0008751/0.1228, allocations: 1.776 MB / 334.7 MB, free: 3.355 MB / 314.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0003571/0.1232, allocations: 0.5928 MB / 335.3 MB, free: 2.758 MB / 314.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004016/0.1236, allocations: 389.1 kB / 335.7 MB, free: 2.367 MB / 314.7 MB Notification: Performance of setup shared object (initialization): time 0.0003489/0.1239, allocations: 476.8 kB / 336.2 MB, free: 1.898 MB / 314.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005781/0.1245, allocations: 295.7 kB / 336.5 MB, free: 1.609 MB / 314.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008627/0.1254, allocations: 1.043 MB / 337.5 MB, free: 272 kB / 314.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001586/0.127, allocations: 1.452 MB / 339 MB, free: 14.52 MB / 330.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.049e-05/0.127, allocations: 4 kB / 339 MB, free: 14.52 MB / 330.7 MB Notification: Performance of matching and sorting (n=245) (initialization): time 0.00274/0.1297, allocations: 1.846 MB / 340.8 MB, free: 12.64 MB / 330.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.528e-05/0.1298, allocations: 15.94 kB / 340.8 MB, free: 12.62 MB / 330.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.053e-05/0.1298, allocations: 16 kB / 340.8 MB, free: 12.61 MB / 330.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.001178/0.1309, allocations: 495.7 kB / 341.3 MB, free: 12.1 MB / 330.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008234/0.1318, allocations: 371.4 kB / 341.7 MB, free: 11.74 MB / 330.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.006868/0.1386, allocations: 10.06 MB / 351.7 MB, free: 1.195 MB / 330.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009989/0.1396, allocations: 87.97 kB / 351.8 MB, free: 1.109 MB / 330.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.981e-05/0.1397, allocations: 87.97 kB / 351.9 MB, free: 1.023 MB / 330.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 69 * Number of states: 0 () * Number of discrete variables: 6 (booleanStepYD[3].y,booleanStepYD[2].y,booleanStepYD[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 (195): * Single equations (assignments): 190 * 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 {(1,8,100.0%), (9,19,33.3%), (1,1,100.0%), (1,13,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0007913/0.1405, allocations: 272 kB / 352.2 MB, free: 0.7461 MB / 330.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002665/0.1408, allocations: 270.6 kB / 352.4 MB, free: 492 kB / 330.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.1166/0.2574, allocations: 1.627 MB / 354.1 MB, free: 98.39 MB / 330.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.551e-05/0.2574, allocations: 16.31 kB / 354.1 MB, free: 98.39 MB / 330.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.348e-05/0.2574, allocations: 9 kB / 354.1 MB, free: 98.39 MB / 330.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.271e-05/0.2574, allocations: 14.16 kB / 354.1 MB, free: 98.39 MB / 330.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005623/0.263, allocations: 4.224 MB / 358.3 MB, free: 97.81 MB / 330.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.501e-06/0.263, allocations: 0 / 358.3 MB, free: 97.81 MB / 330.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004433/0.2635, allocations: 174.8 kB / 358.5 MB, free: 97.8 MB / 330.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.001321/0.2648, allocations: 0.6425 MB / 359.2 MB, free: 97.73 MB / 330.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.111e-05/0.2649, allocations: 47.8 kB / 359.2 MB, free: 97.73 MB / 330.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.006991/0.2719, allocations: 14.95 MB / 374.1 MB, free: 85.09 MB / 330.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.495e-06/0.2719, allocations: 5.109 kB / 374.2 MB, free: 85.08 MB / 330.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002867/0.2747, allocations: 2.136 MB / 376.3 MB, free: 84.01 MB / 330.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0005647/0.2753, allocations: 415.5 kB / 376.7 MB, free: 83.77 MB / 330.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001723/0.2755, allocations: 46.94 kB / 376.7 MB, free: 83.72 MB / 330.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004754/0.276, allocations: 73.52 kB / 376.8 MB, free: 83.67 MB / 330.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002859/0.2762, allocations: 160.5 kB / 377 MB, free: 83.59 MB / 330.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.921e-05/0.2763, allocations: 44.69 kB / 377 MB, free: 83.55 MB / 330.7 MB Notification: Performance of sorting global known variables: time 0.0009416/0.2772, allocations: 0.948 MB / 378 MB, free: 82.74 MB / 330.7 MB Notification: Performance of sort global known variables: time 1.8e-07/0.2772, allocations: 0 / 378 MB, free: 82.74 MB / 330.7 MB Notification: Performance of remove unused functions: time 0.001626/0.2789, allocations: 0.6998 MB / 378.7 MB, free: 82.04 MB / 330.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * Number of states: 7 (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,quadraticLoadTorque.phi) * Number of discrete variables: 6 (idealCloser.control[1],idealCloser.control[2],idealCloser.control[3],booleanStepYD[1].y,booleanStepYD[2].y,booleanStepYD[3].y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (94): * Single equations (assignments): 88 * 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 {(1,1,100.0%), (1,8,100.0%), (9,19,33.3%), (1,13,100.0%), (1,8,100.0%), (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 0.0002792/0.2792, allocations: 173.2 kB / 378.8 MB, free: 81.89 MB / 330.7 MB Notification: Performance of simCode: created initialization part: time 0.002077/0.2812, allocations: 2.092 MB / 380.9 MB, free: 79.95 MB / 330.7 MB Notification: Performance of simCode: created event and clocks part: time 2.925e-06/0.2812, allocations: 0 / 380.9 MB, free: 79.95 MB / 330.7 MB Notification: Performance of simCode: created simulation system equations: time 0.001365/0.2826, allocations: 2.011 MB / 382.9 MB, free: 77.86 MB / 330.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001264/0.2839, allocations: 0.5541 MB / 383.5 MB, free: 77.34 MB / 330.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006328/0.2902, allocations: 5.87 MB / 389.4 MB, free: 71.45 MB / 330.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006485/0.2908, allocations: 0.9657 MB / 390.3 MB, free: 70.45 MB / 330.7 MB Notification: Performance of simCode: alias equations: time 0.000771/0.2916, allocations: 377.7 kB / 390.7 MB, free: 70.08 MB / 330.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002328/0.2918, allocations: 132.5 kB / 390.8 MB, free: 69.95 MB / 330.7 MB Notification: Performance of SimCode: time 1.382e-06/0.2918, allocations: 4 kB / 390.8 MB, free: 69.95 MB / 330.7 MB Notification: Performance of Templates: time 0.04606/0.3379, allocations: 36.78 MB / 427.6 MB, free: 33.16 MB / 330.7 MB " [Timeout remaining time 660] make -j1 -f Modelica_3.2.3_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.AIMC_YD.makefile [Timeout 660] (rm -f Modelica_3.2.3_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.AIMC_YD.pipe ; mkfifo Modelica_3.2.3_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.AIMC_YD.pipe ; head -c 1048576 < Modelica_3.2.3_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.AIMC_YD.pipe >> ../files/Modelica_3.2.3_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.AIMC_YD.sim & ./Modelica_3.2.3_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.AIMC_YD -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Modelica_3.2.3_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.AIMC_YD.pipe 2>&1) [Timeout 240] diffSimulationResults("Modelica_3.2.3_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.AIMC_YD_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/Modelica/Magnetic/FundamentalWave/Examples/BasicMachines/AIMC_YD/AIMC_YD.csv","",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "Error: Could not read variable aimc.stator.zeroInductor.i0 in file Modelica_3.2.3_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.AIMC_YD_res.mat. Warning: Get data of variable aimc.stator.zeroInductor.i0 from file Modelica_3.2.3_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.AIMC_YD_res.mat failed! " [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 3.9784766628872603]