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 0.001332/0.001332, allocations: 88.86 kB / 21.5 MB, free: 2.988 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 0.001317/0.001317, allocations: 160.9 kB / 24.91 MB, free: 8.719 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 0.8881/0.8881, allocations: 177 MB / 205.2 MB, free: 5.027 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 1.293e-06/1.293e-06, allocations: 0 / 273.4 MB, free: 1.043 MB / 250.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.811e-05/1.941e-05, allocations: 5.266 kB / 273.4 MB, free: 1.039 MB / 250.7 MB Notification: Performance of NFInst.instantiate(Modelica.Blocks.Examples.Noise.ActuatorWithNoise): time 0.009991/0.01001, allocations: 13.11 MB / 286.5 MB, free: 3.863 MB / 266.7 MB Notification: Performance of NFInst.instExpressions: time 0.151/0.161, allocations: 5.454 MB / 292 MB, free: 15.45 MB / 266.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002601/0.1636, allocations: 106.7 kB / 292.1 MB, free: 15.45 MB / 266.7 MB Notification: Performance of NFTyping.typeComponents: time 0.003459/0.1671, allocations: 0.9715 MB / 293 MB, free: 15.44 MB / 266.7 MB Notification: Performance of NFTyping.typeBindings: time 0.005046/0.1721, allocations: 1.283 MB / 294.3 MB, free: 15.2 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 0.002975/0.1751, allocations: 1.004 MB / 295.3 MB, free: 15.18 MB / 266.7 MB Notification: Performance of NFFlatten.flatten: time 0.006434/0.1815, allocations: 4.462 MB / 299.8 MB, free: 13.54 MB / 266.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.002966/0.1845, allocations: 1.823 MB / 301.6 MB, free: 12.61 MB / 266.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.005702/0.1902, allocations: 3.305 MB / 304.9 MB, free: 11.19 MB / 266.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.003839/0.194, allocations: 1.973 MB / 306.9 MB, free: 10.38 MB / 266.7 MB Notification: Performance of NFPackage.collectConstants: time 0.001605/0.1957, allocations: 0.5564 MB / 307.4 MB, free: 10.38 MB / 266.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.002371/0.198, allocations: 0.8692 MB / 308.3 MB, free: 10.23 MB / 266.7 MB Notification: Performance of NFScalarize.scalarize: time 0.001018/0.199, allocations: 1.391 MB / 309.7 MB, free: 9.23 MB / 266.7 MB Notification: Performance of NFVerifyModel.verify: time 0.002954/0.202, allocations: 1.52 MB / 311.2 MB, free: 8.355 MB / 266.7 MB Notification: Performance of NFConvertDAE.convert: time 0.005136/0.2071, allocations: 3.78 MB / 315 MB, free: 5.434 MB / 266.7 MB Notification: Performance of FrontEnd - DAE generated: time 6.001e-06/0.2071, allocations: 4 kB / 315 MB, free: 5.43 MB / 266.7 MB Notification: Performance of FrontEnd: time 2.013e-06/0.2071, allocations: 0 / 315 MB, free: 5.43 MB / 266.7 MB Notification: Performance of Transformations before backend: time 0.0001515/0.2073, allocations: 0 / 315 MB, free: 5.43 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 0.005884/0.2132, allocations: 4.063 MB / 319.1 MB, free: 1.539 MB / 266.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.928e-05/0.2132, allocations: 15.97 kB / 319.1 MB, free: 1.523 MB / 266.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.00125/0.2145, allocations: 0.5915 MB / 319.7 MB, free: 0.9375 MB / 266.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002949/0.2174, allocations: 1.714 MB / 321.4 MB, free: 15.29 MB / 282.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003334/0.2177, allocations: 424 kB / 321.8 MB, free: 14.84 MB / 282.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004334/0.2182, allocations: 314.4 kB / 322.1 MB, free: 14.54 MB / 282.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003516/0.2217, allocations: 2.383 MB / 324.5 MB, free: 12.2 MB / 282.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 8.243e-05/0.2218, allocations: 11.28 kB / 324.5 MB, free: 12.19 MB / 282.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002336/0.222, allocations: 126.8 kB / 324.6 MB, free: 12.07 MB / 282.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001484/0.2222, allocations: 146.1 kB / 324.8 MB, free: 11.92 MB / 282.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002195/0.2244, allocations: 1.039 MB / 325.8 MB, free: 10.87 MB / 282.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01293/0.2373, allocations: 8.965 MB / 334.8 MB, free: 2.168 MB / 282.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001349/0.2386, allocations: 0.8498 MB / 335.6 MB, free: 1.367 MB / 282.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.000678/0.2393, allocations: 423.7 kB / 336 MB, free: 0.9609 MB / 282.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0002255/0.2395, allocations: 79.02 kB / 336.1 MB, free: 0.8906 MB / 282.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0008835/0.2404, allocations: 0.7101 MB / 336.8 MB, free: 200 kB / 282.7 MB Notification: Performance of pre-optimization done (n=183): time 3.978e-06/0.2404, allocations: 0 / 336.8 MB, free: 200 kB / 282.7 MB Notification: Performance of matching and sorting (n=227): time 0.01253/0.253, allocations: 5.757 MB / 342.6 MB, free: 10.54 MB / 298.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.001725/0.2547, allocations: 2.065 MB / 344.7 MB, free: 8.352 MB / 298.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00173/0.2564, allocations: 1.591 MB / 346.2 MB, free: 7 MB / 298.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0001409/0.2566, allocations: 77.69 kB / 346.3 MB, free: 6.918 MB / 298.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0007733/0.2573, allocations: 1.251 MB / 347.6 MB, free: 5.742 MB / 298.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0005533/0.2579, allocations: 0.7871 MB / 348.4 MB, free: 5.004 MB / 298.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006066/0.2585, allocations: 464.5 kB / 348.8 MB, free: 4.602 MB / 298.7 MB Notification: Performance of setup shared object (initialization): time 7.459e-05/0.2586, allocations: 301.1 kB / 349.1 MB, free: 4.305 MB / 298.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0009359/0.2595, allocations: 384.8 kB / 349.5 MB, free: 3.926 MB / 298.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001152/0.2607, allocations: 1.103 MB / 350.6 MB, free: 2.59 MB / 298.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.002086/0.2627, allocations: 1.61 MB / 352.2 MB, free: 0.7812 MB / 298.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.752e-05/0.2628, allocations: 7.938 kB / 352.2 MB, free: 0.7734 MB / 298.7 MB Notification: Performance of matching and sorting (n=335) (initialization): time 0.002997/0.2658, allocations: 1.669 MB / 353.9 MB, free: 15.09 MB / 314.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.679e-05/0.2658, allocations: 12 kB / 353.9 MB, free: 15.07 MB / 314.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.9e-05/0.2658, allocations: 16 kB / 353.9 MB, free: 15.06 MB / 314.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0007025/0.2665, allocations: 325.7 kB / 354.2 MB, free: 14.73 MB / 314.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001499/0.268, allocations: 0.5733 MB / 354.8 MB, free: 14.16 MB / 314.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003131/0.2711, allocations: 3.354 MB / 358.1 MB, free: 10.66 MB / 314.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001576/0.2727, allocations: 111.9 kB / 358.3 MB, free: 10.55 MB / 314.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001729/0.2729, allocations: 87.92 kB / 358.3 MB, free: 10.46 MB / 314.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 82 * Number of states: 0 () * Number of discrete variables: 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 (304): * Single equations (assignments): 299 * 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 {(1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(2,23)} Notification: Performance of prepare postOptimizeDAE: time 0.00102/0.2739, allocations: 291.3 kB / 358.6 MB, free: 10.16 MB / 314.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005002/0.2744, allocations: 215.8 kB / 358.8 MB, free: 9.953 MB / 314.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002578/0.277, allocations: 1.351 MB / 360.2 MB, free: 8.586 MB / 314.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.767e-05/0.277, allocations: 20 kB / 360.2 MB, free: 8.566 MB / 314.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.305e-06/0.277, allocations: 4 kB / 360.2 MB, free: 8.562 MB / 314.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.856e-05/0.277, allocations: 11.95 kB / 360.2 MB, free: 8.551 MB / 314.7 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 0.00825/0.2853, allocations: 4.341 MB / 364.6 MB, free: 4.359 MB / 314.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.466e-06/0.2853, allocations: 0 / 364.6 MB, free: 4.359 MB / 314.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00124/0.2865, allocations: 359.7 kB / 364.9 MB, free: 4.008 MB / 314.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.000991/0.2875, allocations: 424.3 kB / 365.3 MB, free: 3.582 MB / 314.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001105/0.2876, allocations: 51.97 kB / 365.4 MB, free: 3.531 MB / 314.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.003246/0.2909, allocations: 4.878 MB / 370.3 MB, free: 14.42 MB / 330.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.001025/0.2919, allocations: 1.733 MB / 372 MB, free: 12.61 MB / 330.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002466/0.2944, allocations: 1.843 MB / 373.8 MB, free: 10.75 MB / 330.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0006089/0.295, allocations: 336.9 kB / 374.2 MB, free: 10.42 MB / 330.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001953/0.2952, allocations: 51.94 kB / 374.2 MB, free: 10.37 MB / 330.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005222/0.2957, allocations: 75.95 kB / 374.3 MB, free: 10.29 MB / 330.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002849/0.296, allocations: 189.6 kB / 374.5 MB, free: 10.11 MB / 330.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.922e-05/0.2961, allocations: 47.95 kB / 374.5 MB, free: 10.06 MB / 330.7 MB Notification: Performance of sorting global known variables: time 0.0006907/0.2968, allocations: 0.7377 MB / 375.3 MB, free: 9.387 MB / 330.7 MB Notification: Performance of sort global known variables: time 1.9e-07/0.2968, allocations: 0 / 375.3 MB, free: 9.387 MB / 330.7 MB Notification: Performance of remove unused functions: time 0.001618/0.2984, allocations: 0.742 MB / 376 MB, free: 8.645 MB / 330.7 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 (190): * Single equations (assignments): 184 * 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 {(1,2,100.0%), (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 0.001341/0.2997, allocations: 0.7006 MB / 376.7 MB, free: 8.195 MB / 330.7 MB Notification: Performance of simCode: created initialization part: time 0.002109/0.3018, allocations: 1.636 MB / 378.3 MB, free: 6.555 MB / 330.7 MB Notification: Performance of simCode: created event and clocks part: time 3.376e-05/0.3019, allocations: 25.81 kB / 378.4 MB, free: 6.527 MB / 330.7 MB Notification: Performance of simCode: created simulation system equations: time 0.001141/0.303, allocations: 1.157 MB / 379.5 MB, free: 5.355 MB / 330.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00149/0.3045, allocations: 0.6475 MB / 380.2 MB, free: 4.723 MB / 330.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007775/0.3123, allocations: 5.748 MB / 385.9 MB, free: 14.94 MB / 346.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006597/0.3129, allocations: 0.7275 MB / 386.6 MB, free: 14.18 MB / 346.7 MB Notification: Performance of simCode: alias equations: time 0.001024/0.3139, allocations: 364.2 kB / 387 MB, free: 13.82 MB / 346.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001099/0.315, allocations: 0.5811 MB / 387.6 MB, free: 13.23 MB / 346.7 MB Notification: Performance of SimCode: time 1.714e-06/0.315, allocations: 0 / 387.6 MB, free: 13.23 MB / 346.7 MB Notification: Performance of Templates: time 0.05639/0.3714, allocations: 44.15 MB / 431.7 MB, free: 1.484 MB / 378.7 MB " [Timeout remaining time 659] 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: 4.3283181600272655]