Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_trunk_Modelica.Blocks.Examples.Noise.ActuatorWithNoise.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo): time 0.001524/0.001524, allocations: 79.69 kB / 21.7 MB, free: 2.852 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo): time 0.001682/0.001682, allocations: 161.1 kB / 24.99 MB, free: 8.801 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo): time 1.029/1.029, allocations: 177 MB / 205.2 MB, free: 5.594 MB / 186.7 MB " [Timeout remaining time 179] Using package Modelica with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo) Using package Complex with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo) Using package ModelicaServices with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo) Running command: translateModel(Modelica.Blocks.Examples.Noise.ActuatorWithNoise,tolerance=1e-05,outputFormat="mat",numberOfIntervals=800,variableFilter="time|controller.speed_PI.x|controller.positionToSpeed.x|controller.position_PI.x|controller.busdelay.y|gearbox.phi_rel|gearbox.w_rel|slewRateLimiter.y|rodMass.s|rodMass.v|elastoGap.s_rel|elastoGap.v_rel",fileNamePrefix="Modelica_trunk_Modelica.Blocks.Examples.Noise.ActuatorWithNoise") translateModel(Modelica.Blocks.Examples.Noise.ActuatorWithNoise,tolerance=1e-05,outputFormat="mat",numberOfIntervals=800,variableFilter="time|controller.speed_PI.x|controller.positionToSpeed.x|controller.position_PI.x|controller.busdelay.y|gearbox.phi_rel|gearbox.w_rel|slewRateLimiter.y|rodMass.s|rodMass.v|elastoGap.s_rel|elastoGap.v_rel",fileNamePrefix="Modelica_trunk_Modelica.Blocks.Examples.Noise.ActuatorWithNoise") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.383e-06/1.383e-06, allocations: 0 / 273 MB, free: 1.746 MB / 250.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.378e-05/2.516e-05, allocations: 2.312 kB / 273 MB, free: 1.742 MB / 250.7 MB Notification: Performance of NFInst.instantiate(Modelica.Blocks.Examples.Noise.ActuatorWithNoise): time 0.01096/0.01098, allocations: 13.41 MB / 286.4 MB, free: 4.27 MB / 266.7 MB Notification: Performance of NFInst.instExpressions: time 0.131/0.1419, allocations: 5.31 MB / 291.7 MB, free: 15.05 MB / 266.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002666/0.1446, allocations: 102.9 kB / 291.8 MB, free: 15.05 MB / 266.7 MB Notification: Performance of NFTyping.typeComponents: time 0.002069/0.1467, allocations: 0.9627 MB / 292.8 MB, free: 15.05 MB / 266.7 MB Notification: Performance of NFTyping.typeBindings: time 0.002738/0.1494, allocations: 1.277 MB / 294.1 MB, free: 14.82 MB / 266.7 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/Math/Random.mo:1057:5-1146:31:writable] Warning: Pure function 'Modelica.Math.Random.Utilities.initializeImpureRandom' contains a call to impure function 'Modelica.Math.Random.Utilities.initializeImpureRandom.setInternalState'. Notification: Performance of NFTyping.typeClassSections: time 0.001931/0.1513, allocations: 0.9959 MB / 295.1 MB, free: 14.8 MB / 266.7 MB Notification: Performance of NFFlatten.flatten: time 0.003766/0.1551, allocations: 4.463 MB / 299.5 MB, free: 13.3 MB / 266.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.002124/0.1572, allocations: 1.783 MB / 301.3 MB, free: 12.44 MB / 266.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003164/0.1604, allocations: 2.904 MB / 304.2 MB, free: 11.09 MB / 266.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.002756/0.1632, allocations: 2.134 MB / 306.3 MB, free: 10.41 MB / 266.7 MB Notification: Performance of NFPackage.collectConstants: time 0.001159/0.1643, allocations: 0.5687 MB / 306.9 MB, free: 10.41 MB / 266.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001491/0.1658, allocations: 0.8969 MB / 307.8 MB, free: 10.25 MB / 266.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0009427/0.1667, allocations: 1.481 MB / 309.3 MB, free: 9.191 MB / 266.7 MB Notification: Performance of NFVerifyModel.verify: time 0.001458/0.1682, allocations: 1.575 MB / 310.9 MB, free: 8.273 MB / 266.7 MB Notification: Performance of NFConvertDAE.convert: time 0.003609/0.1718, allocations: 3.876 MB / 314.7 MB, free: 5.793 MB / 266.7 MB Notification: Performance of FrontEnd - DAE generated: time 4.869e-06/0.1718, allocations: 0 / 314.7 MB, free: 5.793 MB / 266.7 MB Notification: Performance of FrontEnd: time 1.332e-06/0.1718, allocations: 0 / 314.7 MB, free: 5.793 MB / 266.7 MB Notification: Performance of Transformations before backend: time 3.839e-05/0.1719, allocations: 0 / 314.7 MB, free: 5.793 MB / 266.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 814 * Number of variables: 814 Notification: Performance of Generate backend data structure: time 0.005562/0.1774, allocations: 4.571 MB / 319.3 MB, free: 1.18 MB / 266.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.438e-05/0.1775, allocations: 11.98 kB / 319.3 MB, free: 1.168 MB / 266.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001365/0.1788, allocations: 0.7325 MB / 320.1 MB, free: 444 kB / 266.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002991/0.1818, allocations: 2.355 MB / 322.4 MB, free: 14.15 MB / 282.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003198/0.1821, allocations: 417 kB / 322.8 MB, free: 13.71 MB / 282.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004079/0.1826, allocations: 323.8 kB / 323.1 MB, free: 13.39 MB / 282.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004287/0.1868, allocations: 2.551 MB / 325.7 MB, free: 10.75 MB / 282.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 7.503e-05/0.1869, allocations: 19.12 kB / 325.7 MB, free: 10.73 MB / 282.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002583/0.1872, allocations: 125.6 kB / 325.8 MB, free: 10.61 MB / 282.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001399/0.1873, allocations: 150 kB / 326 MB, free: 10.46 MB / 282.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003162/0.1905, allocations: 1.357 MB / 327.3 MB, free: 9.102 MB / 282.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01372/0.2042, allocations: 11.5 MB / 338.8 MB, free: 13.5 MB / 298.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001699/0.2059, allocations: 0.9483 MB / 339.8 MB, free: 12.56 MB / 298.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.001006/0.2069, allocations: 0.5286 MB / 340.3 MB, free: 12.03 MB / 298.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0001957/0.2071, allocations: 76.3 kB / 340.4 MB, free: 11.96 MB / 298.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.00116/0.2083, allocations: 0.8081 MB / 341.2 MB, free: 11.1 MB / 298.7 MB Notification: Performance of pre-optimization done (n=186): time 3.466e-06/0.2083, allocations: 0 / 341.2 MB, free: 11.1 MB / 298.7 MB Notification: Performance of matching and sorting (n=234): time 0.01446/0.2227, allocations: 7.19 MB / 348.4 MB, free: 3.973 MB / 298.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.002224/0.2249, allocations: 2.589 MB / 351 MB, free: 1.23 MB / 298.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002148/0.2271, allocations: 1.779 MB / 352.7 MB, free: 15.41 MB / 314.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0001102/0.2272, allocations: 73.7 kB / 352.8 MB, free: 15.33 MB / 314.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0008556/0.2281, allocations: 1.632 MB / 354.5 MB, free: 13.68 MB / 314.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0004548/0.2285, allocations: 0.8177 MB / 355.3 MB, free: 12.88 MB / 314.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005088/0.229, allocations: 492 kB / 355.8 MB, free: 12.39 MB / 314.7 MB Notification: Performance of setup shared object (initialization): time 9.317e-05/0.2291, allocations: 480.8 kB / 356.2 MB, free: 11.92 MB / 314.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007849/0.2299, allocations: 441 kB / 356.7 MB, free: 11.48 MB / 314.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001192/0.2311, allocations: 1.404 MB / 358.1 MB, free: 9.707 MB / 314.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.002069/0.2332, allocations: 1.91 MB / 360 MB, free: 7.457 MB / 314.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.859e-06/0.2332, allocations: 4 kB / 360 MB, free: 7.453 MB / 314.7 MB Notification: Performance of matching and sorting (n=339) (initialization): time 0.002965/0.2361, allocations: 2.207 MB / 362.2 MB, free: 5.18 MB / 314.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.023e-05/0.2362, allocations: 12 kB / 362.2 MB, free: 5.168 MB / 314.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.96e-05/0.2362, allocations: 16 kB / 362.2 MB, free: 5.152 MB / 314.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006645/0.2368, allocations: 342.6 kB / 362.5 MB, free: 4.801 MB / 314.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00129/0.2381, allocations: 0.6512 MB / 363.2 MB, free: 4.148 MB / 314.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003375/0.2415, allocations: 4.849 MB / 368 MB, free: 15.06 MB / 330.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009282/0.2424, allocations: 175.8 kB / 368.2 MB, free: 14.89 MB / 330.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001347/0.2426, allocations: 108 kB / 368.3 MB, free: 14.78 MB / 330.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 79 * Number of states: 0 () * Number of discrete variables: 24 ($whenCondition1,globalSeed.id_impure,globalSeed.seed,motor.uniformNoise.actualGlobalSeed,motor.uniformNoise.localSeed,gearbox.lossyGear.ideal,gearbox.lossyGear.mode,$PRE.gearbox.lossyGear.mode,gearbox.lossyGear.locked,gearbox.lossyGear.startBackward,gearbox.lossyGear.startForward,gearbox.lossyGear.tau_aPos,motor.uniformNoise.r_raw,$PRE.motor.uniformNoise.r_raw,motor.uniformNoise.r,$PRE.motor.uniformNoise.r,motor.uniformNoise.state[4],$PRE.motor.uniformNoise.state[4],motor.uniformNoise.state[3],$PRE.motor.uniformNoise.state[3],motor.uniformNoise.state[2],$PRE.motor.uniformNoise.state[2],motor.uniformNoise.state[1],$PRE.motor.uniformNoise.state[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (308): * Single equations (assignments): 303 * Array equations: 1 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 2 systems {(2,100.0%), (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): 1 system {(2,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(2,23)} Notification: Performance of prepare postOptimizeDAE: time 0.0006184/0.2432, allocations: 339.3 kB / 368.6 MB, free: 14.44 MB / 330.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003609/0.2435, allocations: 326.4 kB / 369 MB, free: 14.12 MB / 330.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002722/0.2463, allocations: 1.904 MB / 370.9 MB, free: 12.19 MB / 330.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.2e-05/0.2463, allocations: 20 kB / 370.9 MB, free: 12.17 MB / 330.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.053e-06/0.2463, allocations: 4 kB / 370.9 MB, free: 12.16 MB / 330.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.477e-05/0.2463, allocations: 15.95 kB / 370.9 MB, free: 12.15 MB / 330.7 MB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.007717/0.254, allocations: 6.411 MB / 377.3 MB, free: 5.641 MB / 330.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.5e-06/0.254, allocations: 4 kB / 377.3 MB, free: 5.637 MB / 330.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000923/0.2549, allocations: 415.6 kB / 377.7 MB, free: 5.23 MB / 330.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0008474/0.2558, allocations: 439.3 kB / 378.2 MB, free: 4.785 MB / 330.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001092/0.2559, allocations: 47.97 kB / 378.2 MB, free: 4.738 MB / 330.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004976/0.2609, allocations: 7.16 MB / 385.4 MB, free: 13.22 MB / 346.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.001749/0.2626, allocations: 2.508 MB / 387.9 MB, free: 10.59 MB / 346.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003703/0.2663, allocations: 2.576 MB / 390.4 MB, free: 7.941 MB / 346.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0007486/0.2671, allocations: 0.5371 MB / 391 MB, free: 7.402 MB / 346.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002097/0.2673, allocations: 48 kB / 391 MB, free: 7.355 MB / 346.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006839/0.268, allocations: 139.8 kB / 391.2 MB, free: 7.219 MB / 346.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003153/0.2683, allocations: 197.5 kB / 391.4 MB, free: 7.027 MB / 346.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.15e-05/0.2684, allocations: 63.97 kB / 391.4 MB, free: 6.965 MB / 346.7 MB Notification: Performance of sorting global known variables: time 0.001098/0.2695, allocations: 1.004 MB / 392.4 MB, free: 5.941 MB / 346.7 MB Notification: Performance of sort global known variables: time 9e-08/0.2695, allocations: 0 / 392.4 MB, free: 5.941 MB / 346.7 MB Notification: Performance of remove unused functions: time 0.001696/0.2712, allocations: 0.7732 MB / 393.2 MB, free: 5.168 MB / 346.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * Number of states: 11 ($STATESET1.x,controller.speed_PI.x,controller.positionToSpeed.x,controller.position_PI.x,gearbox.phi_rel,gearbox.w_rel,slewRateLimiter.y,rodMass.s,rodMass.v,elastoGap.s_rel,elastoGap.v_rel) * Number of discrete variables: 12 ($whenCondition1,motor.uniformNoise.state[1],motor.uniformNoise.state[2],motor.uniformNoise.state[3],motor.uniformNoise.state[4],motor.uniformNoise.r,motor.uniformNoise.r_raw,gearbox.lossyGear.tau_aPos,gearbox.lossyGear.startForward,gearbox.lossyGear.startBackward,gearbox.lossyGear.locked,gearbox.lossyGear.mode) * Number of discrete states: 5 (motor.uniformNoise.state[1],motor.uniformNoise.state[2],motor.uniformNoise.state[3],motor.uniformNoise.state[4],gearbox.lossyGear.mode) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (197): * Single equations (assignments): 191 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 3 * 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): 2 systems {(2,1,100.0%), (3,8,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(2,22)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001142/0.2723, allocations: 0.5777 MB / 393.8 MB, free: 4.766 MB / 346.7 MB Notification: Performance of simCode: created initialization part: time 0.002627/0.2749, allocations: 2.061 MB / 395.8 MB, free: 2.66 MB / 346.7 MB Notification: Performance of simCode: created event and clocks part: time 2.575e-06/0.2749, allocations: 0 / 395.8 MB, free: 2.66 MB / 346.7 MB Notification: Performance of simCode: created simulation system equations: time 0.001609/0.2766, allocations: 1.569 MB / 397.4 MB, free: 1.023 MB / 346.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001524/0.2781, allocations: 0.6717 MB / 398.1 MB, free: 380 kB / 346.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007507/0.2856, allocations: 6.086 MB / 404.2 MB, free: 10.2 MB / 362.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006506/0.2862, allocations: 0.8217 MB / 405 MB, free: 9.348 MB / 362.7 MB Notification: Performance of simCode: alias equations: time 0.0009885/0.2872, allocations: 492.5 kB / 405.5 MB, free: 8.863 MB / 362.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004662/0.2877, allocations: 200.4 kB / 405.7 MB, free: 8.668 MB / 362.7 MB Notification: Performance of SimCode: time 8.92e-07/0.2877, allocations: 4 kB / 405.7 MB, free: 8.664 MB / 362.7 MB Notification: Performance of Templates: time 0.1524/0.4401, allocations: 43.69 MB / 449.4 MB, free: 115 MB / 378.7 MB " [Timeout remaining time 660] make -j1 -f Modelica_trunk_Modelica.Blocks.Examples.Noise.ActuatorWithNoise.makefile [Timeout 660] (rm -f Modelica_trunk_Modelica.Blocks.Examples.Noise.ActuatorWithNoise.pipe ; mkfifo Modelica_trunk_Modelica.Blocks.Examples.Noise.ActuatorWithNoise.pipe ; head -c 1048576 < Modelica_trunk_Modelica.Blocks.Examples.Noise.ActuatorWithNoise.pipe >> ../files/Modelica_trunk_Modelica.Blocks.Examples.Noise.ActuatorWithNoise.sim & ./Modelica_trunk_Modelica.Blocks.Examples.Noise.ActuatorWithNoise -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Modelica_trunk_Modelica.Blocks.Examples.Noise.ActuatorWithNoise.pipe 2>&1) [Timeout 240] diffSimulationResults("Modelica_trunk_Modelica.Blocks.Examples.Noise.ActuatorWithNoise_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/Modelica/Blocks/Examples/Noise/ActuatorWithNoise/ActuatorWithNoise.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: 5.638206531992182]