Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2.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 0.0009478/0.0009478, allocations: 80.92 kB / 21.49 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 0.001007/0.001007, allocations: 169.9 kB / 24.91 MB, free: 8.723 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 0.9692/0.9692, allocations: 177.1 MB / 205.3 MB, free: 5.102 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 0.6439/0.6439, allocations: 88.08 MB / 349.9 MB, free: 14.09 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.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2,tolerance=3e-08,outputFormat="mat",numberOfIntervals=2000,variableFilter="revolute.[0-9,]+..angle|revolute.[0-9,]+..phi|time",fileNamePrefix="ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2") translateModel(ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2,tolerance=3e-08,outputFormat="mat",numberOfIntervals=2000,variableFilter="revolute.[0-9,]+..angle|revolute.[0-9,]+..phi|time",fileNamePrefix="ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 2.525e-06/2.525e-06, allocations: 0 / 398.9 MB, free: 13.53 MB / 378.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.882e-05/3.135e-05, allocations: 2.312 kB / 398.9 MB, free: 13.53 MB / 378.7 MB Notification: Performance of NFInst.instantiate(ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2): time 0.01324/0.01327, allocations: 11.56 MB / 410.4 MB, free: 1.918 MB / 378.7 MB Notification: Performance of NFInst.instExpressions: time 0.007822/0.02109, allocations: 4.523 MB / 415 MB, free: 13.38 MB / 394.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001006/0.0221, allocations: 103.4 kB / 415.1 MB, free: 13.28 MB / 394.7 MB Notification: Performance of NFTyping.typeComponents: time 0.002968/0.02507, allocations: 3.29 MB / 418.4 MB, free: 9.977 MB / 394.7 MB Notification: Performance of NFTyping.typeBindings: time 0.00288/0.02795, allocations: 2.275 MB / 420.6 MB, free: 7.691 MB / 394.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.001338/0.02929, allocations: 1.127 MB / 421.8 MB, free: 6.562 MB / 394.7 MB Notification: Performance of NFFlatten.flatten: time 0.006901/0.03619, allocations: 8.237 MB / 430 MB, free: 14.32 MB / 410.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.005059/0.04125, allocations: 4.66 MB / 434.7 MB, free: 9.566 MB / 410.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.005344/0.04659, allocations: 4.617 MB / 439.3 MB, free: 4.941 MB / 410.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.002876/0.04947, allocations: 3.286 MB / 442.6 MB, free: 1.648 MB / 410.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0005612/0.05003, allocations: 444 kB / 443 MB, free: 1.215 MB / 410.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.3148/0.3649, allocations: 1.261 MB / 444.3 MB, free: 31.3 MB / 410.8 MB Notification: Performance of NFScalarize.scalarize: time 0.002948/0.3678, allocations: 2.692 MB / 446.9 MB, free: 31.3 MB / 410.8 MB Notification: Performance of NFVerifyModel.verify: time 0.001752/0.3696, allocations: 1.685 MB / 448.6 MB, free: 31.3 MB / 410.8 MB Notification: Performance of NFConvertDAE.convert: time 0.004456/0.374, allocations: 5.965 MB / 454.6 MB, free: 30.84 MB / 410.8 MB Notification: Performance of FrontEnd - DAE generated: time 4.118e-06/0.374, allocations: 0 / 454.6 MB, free: 30.84 MB / 410.8 MB Notification: Performance of FrontEnd: time 9.12e-07/0.374, allocations: 0 / 454.6 MB, free: 30.84 MB / 410.8 MB Notification: Performance of Transformations before backend: time 4.852e-05/0.3741, allocations: 3.531 kB / 454.6 MB, free: 30.84 MB / 410.8 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1559 * Number of variables: 1559 Notification: Performance of Generate backend data structure: time 0.004909/0.379, allocations: 5.543 MB / 460.1 MB, free: 28.53 MB / 410.8 MB Notification: Performance of prepare preOptimizeDAE: time 3.11e-05/0.379, allocations: 15.12 kB / 460.2 MB, free: 28.53 MB / 410.8 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004144/0.3831, allocations: 1.507 MB / 461.7 MB, free: 28.51 MB / 410.8 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002914/0.3861, allocations: 2.904 MB / 464.6 MB, free: 27.5 MB / 410.8 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 9.349e-05/0.3862, allocations: 264 kB / 464.8 MB, free: 27.41 MB / 410.8 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003763/0.3865, allocations: 365.2 kB / 465.2 MB, free: 27.32 MB / 410.8 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004482/0.391, allocations: 5.483 MB / 470.7 MB, free: 23.61 MB / 410.8 MB Notification: Performance of preOpt findStateOrder (simulation): time 7.922e-05/0.3911, allocations: 66.19 kB / 470.7 MB, free: 23.57 MB / 410.8 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002821/0.3914, allocations: 164.1 kB / 470.9 MB, free: 23.44 MB / 410.8 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.001115/0.3925, allocations: 1.705 MB / 472.6 MB, free: 21.76 MB / 410.8 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003393/0.3959, allocations: 2.657 MB / 475.3 MB, free: 19.29 MB / 410.8 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01891/0.4148, allocations: 31.95 MB / 0.4953 GB, free: 3.477 MB / 426.8 MB Notification: Performance of preOpt comSubExp (simulation): time 0.003266/0.4181, allocations: 1.673 MB / 0.4969 GB, free: 1.824 MB / 426.8 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005167/0.4186, allocations: 429 kB / 0.4974 GB, free: 1.414 MB / 426.8 MB Notification: Performance of preOpt evalFunc (simulation): time 0.005069/0.4236, allocations: 4.089 MB / 0.5013 GB, free: 13.38 MB / 442.8 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.233e-05/0.4237, allocations: 59.25 kB / 0.5014 GB, free: 13.32 MB / 442.8 MB Notification: Performance of pre-optimization done (n=162): time 2.916e-06/0.4237, allocations: 0 / 0.5014 GB, free: 13.32 MB / 442.8 MB Notification: Performance of matching and sorting (n=178): time 0.01518/0.4389, allocations: 6.717 MB / 0.508 GB, free: 6.695 MB / 442.8 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001002/0.439, allocations: 306 kB / 0.5083 GB, free: 6.328 MB / 442.8 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002879/0.4418, allocations: 3.711 MB / 0.5119 GB, free: 3.242 MB / 442.8 MB Notification: Performance of collectPreVariables (initialization): time 8.893e-05/0.4419, allocations: 49.69 kB / 0.5119 GB, free: 3.188 MB / 442.8 MB Notification: Performance of collectInitialEqns (initialization): time 0.001354/0.4433, allocations: 3.129 MB / 0.515 GB, free: 248 kB / 442.8 MB Notification: Performance of collectInitialBindings (initialization): time 0.0003977/0.4437, allocations: 0.7199 MB / 0.5157 GB, free: 15.55 MB / 458.8 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001079/0.4448, allocations: 1.162 MB / 0.5168 GB, free: 14.52 MB / 458.8 MB Notification: Performance of setup shared object (initialization): time 6.236e-05/0.4448, allocations: 312.3 kB / 0.5171 GB, free: 14.22 MB / 458.8 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001118/0.4459, allocations: 0.8038 MB / 0.5179 GB, free: 13.41 MB / 458.8 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002802/0.4487, allocations: 4.359 MB / 0.5222 GB, free: 7.465 MB / 458.8 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.003656/0.4524, allocations: 5.506 MB / 0.5275 GB, free: 0.6719 MB / 458.8 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.222e-05/0.4524, allocations: 36 kB / 0.5276 GB, free: 0.6367 MB / 458.8 MB Notification: Performance of matching and sorting (n=799) (initialization): time 0.00451/0.4569, allocations: 4.194 MB / 0.5317 GB, free: 12.41 MB / 474.8 MB Notification: Performance of prepare postOptimizeDAE: time 4.942e-05/0.457, allocations: 59.94 kB / 0.5317 GB, free: 12.36 MB / 474.8 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.298e-05/0.4571, allocations: 128.8 kB / 0.5318 GB, free: 12.23 MB / 474.8 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0008092/0.4579, allocations: 432.6 kB / 0.5323 GB, free: 11.8 MB / 474.8 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002135/0.46, allocations: 1.365 MB / 0.5336 GB, free: 10.44 MB / 474.8 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002116/0.4621, allocations: 2.322 MB / 0.5359 GB, free: 8.039 MB / 474.8 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002227/0.4643, allocations: 267.7 kB / 0.5361 GB, free: 7.777 MB / 474.8 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002851/0.4646, allocations: 306.7 kB / 0.5364 GB, free: 7.48 MB / 474.8 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 569 * Number of states: 0 () * Number of discrete variables: 41 (force.arrow.twoHeadedArrow,force.arrow.headAtOrigin,force.color[3],force.color[2],force.color[1],bodybox[1].color[3],bodybox[1].color[2],bodybox[1].color[1],bodybox[1].body.sphereColor[3],bodybox[1].body.sphereColor[2],bodybox[1].body.sphereColor[1],bodyboxN.color[3],bodyboxN.color[2],bodyboxN.color[1],bodyboxN.body.sphereColor[3],bodyboxN.body.sphereColor[2],bodyboxN.body.sphereColor[1],bodybox1.color[3],bodybox1.color[2],bodybox1.color[1],bodybox1.body.sphereColor[3],bodybox1.body.sphereColor[2],bodybox1.body.sphereColor[1],revolute[2].cylinderColor[3],revolute[2].cylinderColor[2],revolute[2].cylinderColor[1],revolute[1].cylinderColor[3],revolute[1].cylinderColor[2],revolute[1].cylinderColor[1],world.axisColor_x[3],world.axisColor_x[2],world.axisColor_x[1],world.groundColor[3],world.groundColor[2],world.groundColor[1],world.gravitySphereColor[3],world.gravitySphereColor[2],world.gravitySphereColor[1],world.gravityArrowColor[3],world.gravityArrowColor[2],world.gravityArrowColor[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (763): * Single equations (assignments): 759 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(2,11,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.001413/0.466, allocations: 0.6188 MB / 0.537 GB, free: 6.848 MB / 474.8 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003903/0.4664, allocations: 251.7 kB / 0.5373 GB, free: 6.602 MB / 474.8 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001425/0.4679, allocations: 1.033 MB / 0.5383 GB, free: 5.559 MB / 474.8 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.102e-05/0.4679, allocations: 21.17 kB / 0.5383 GB, free: 5.539 MB / 474.8 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 9.828e-06/0.4679, allocations: 4 kB / 0.5383 GB, free: 5.535 MB / 474.8 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.378e-05/0.4679, allocations: 7.969 kB / 0.5383 GB, free: 5.527 MB / 474.8 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006109/0.474, allocations: 4.959 MB / 0.5431 GB, free: 0.8633 MB / 474.8 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.151e-05/0.474, allocations: 12.25 kB / 0.5431 GB, free: 0.8516 MB / 474.8 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005858/0.4746, allocations: 283.5 kB / 0.5434 GB, free: 0.5742 MB / 474.8 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0008265/0.4754, allocations: 0.512 MB / 0.5439 GB, free: 60 kB / 474.8 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.977e-05/0.4755, allocations: 44 kB / 0.544 GB, free: 16 kB / 474.8 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.00196/0.4775, allocations: 2.02 MB / 0.5459 GB, free: 13.91 MB / 490.8 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.158e-05/0.4775, allocations: 19.88 kB / 0.546 GB, free: 13.89 MB / 490.8 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002005/0.4795, allocations: 2.222 MB / 0.5481 GB, free: 11.43 MB / 490.8 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0004339/0.4799, allocations: 401.2 kB / 0.5485 GB, free: 11.04 MB / 490.8 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002856/0.4802, allocations: 51.92 kB / 0.5486 GB, free: 10.98 MB / 490.8 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007518/0.4809, allocations: 51.92 kB / 0.5486 GB, free: 10.93 MB / 490.8 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000186/0.4811, allocations: 140.5 kB / 0.5487 GB, free: 10.8 MB / 490.8 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.482e-05/0.4812, allocations: 55.98 kB / 0.5488 GB, free: 10.74 MB / 490.8 MB Notification: Performance of sorting global known variables: time 0.001205/0.4824, allocations: 1.399 MB / 0.5502 GB, free: 9.332 MB / 490.8 MB Notification: Performance of sort global known variables: time 8.1e-08/0.4824, allocations: 4 kB / 0.5502 GB, free: 9.328 MB / 490.8 MB Notification: Performance of remove unused functions: time 0.003282/0.4857, allocations: 1.238 MB / 0.5514 GB, free: 8.09 MB / 490.8 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 55 * Number of states: 4 (revolute[1].w,revolute[2].w,springdamper[1].phi_rel,springdamper[2].phi_rel) * 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 (153): * Single equations (assignments): 149 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(2,11,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0003323/0.486, allocations: 181.3 kB / 0.5515 GB, free: 7.906 MB / 490.8 MB Notification: Performance of simCode: created initialization part: time 0.003172/0.4892, allocations: 2.568 MB / 0.5541 GB, free: 5.34 MB / 490.8 MB Notification: Performance of simCode: created event and clocks part: time 0.0001477/0.4894, allocations: 104.2 kB / 0.5542 GB, free: 5.23 MB / 490.8 MB Notification: Performance of simCode: created simulation system equations: time 0.0006362/0.49, allocations: 0.6299 MB / 0.5548 GB, free: 4.59 MB / 490.8 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002382/0.4924, allocations: 0.9006 MB / 0.5556 GB, free: 3.707 MB / 490.8 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01136/0.5037, allocations: 8.811 MB / 0.5642 GB, free: 10.64 MB / 0.4949 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001601/0.5053, allocations: 1.439 MB / 0.5657 GB, free: 9.184 MB / 0.4949 GB Notification: Performance of simCode: alias equations: time 0.001561/0.5069, allocations: 0.5386 MB / 0.5662 GB, free: 8.641 MB / 0.4949 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001131/0.508, allocations: 0.6572 MB / 0.5668 GB, free: 7.98 MB / 0.4949 GB Notification: Performance of SimCode: time 2.184e-06/0.508, allocations: 0 / 0.5668 GB, free: 7.98 MB / 0.4949 GB Notification: Performance of Templates: time 0.05604/0.5641, allocations: 40.82 MB / 0.6067 GB, free: 15.61 MB / 0.5418 GB " [Timeout remaining time 299] make -j1 -f ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2.makefile [Timeout 300] (rm -f ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2.pipe ; mkfifo ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2.pipe ; head -c 1048576 < ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2.pipe >> ../files/ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2.sim & ./ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2 -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2.pipe 2>&1) [Timeout 240] diffSimulationResults("ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/ReferenceFiles/ScalableTestSuite/ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2_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: 3.855475482996553]