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 0.001405/0.001405, allocations: 95.5 kB / 21.2 MB, free: 3.371 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 0.001137/0.001137, allocations: 160.5 kB / 24.55 MB, free: 16 kB / 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 1.024/1.024, allocations: 177 MB / 204.8 MB, free: 5.566 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 1.984e-06/1.984e-06, allocations: 3.938 kB / 272.9 MB, free: 1.426 MB / 250.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 3.537e-05/3.735e-05, allocations: 5.266 kB / 272.9 MB, free: 1.422 MB / 250.7 MB Notification: Performance of NFInst.instantiate(Modelica.Blocks.Examples.Noise.ActuatorWithNoise): time 0.0138/0.01384, allocations: 13.48 MB / 286.4 MB, free: 3.879 MB / 266.7 MB Notification: Performance of NFInst.instExpressions: time 0.1469/0.1607, allocations: 5.305 MB / 291.7 MB, free: 14.75 MB / 266.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002456/0.1632, allocations: 105.1 kB / 291.8 MB, free: 14.75 MB / 266.7 MB Notification: Performance of NFTyping.typeComponents: time 0.002115/0.1653, allocations: 0.9668 MB / 292.8 MB, free: 14.75 MB / 266.7 MB Notification: Performance of NFTyping.typeBindings: time 0.002922/0.1682, allocations: 1.27 MB / 294.1 MB, free: 14.51 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 0.001889/0.1701, allocations: 1.004 MB / 295.1 MB, free: 14.49 MB / 266.7 MB Notification: Performance of NFFlatten.flatten: time 0.004235/0.1743, allocations: 4.46 MB / 299.5 MB, free: 13.17 MB / 266.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.002331/0.1766, allocations: 1.776 MB / 301.3 MB, free: 12.31 MB / 266.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003592/0.1802, allocations: 2.914 MB / 304.2 MB, free: 10.95 MB / 266.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.003798/0.184, allocations: 2.128 MB / 306.3 MB, free: 10.23 MB / 266.7 MB Notification: Performance of NFPackage.collectConstants: time 0.001248/0.1853, allocations: 0.5685 MB / 306.9 MB, free: 10.23 MB / 266.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001424/0.1867, allocations: 0.9014 MB / 307.8 MB, free: 10.08 MB / 266.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0009604/0.1877, allocations: 1.488 MB / 309.3 MB, free: 9.008 MB / 266.7 MB Notification: Performance of NFVerifyModel.verify: time 0.002078/0.1897, allocations: 1.567 MB / 310.9 MB, free: 8.098 MB / 266.7 MB Notification: Performance of NFConvertDAE.convert: time 0.004064/0.1938, allocations: 3.872 MB / 314.7 MB, free: 5.566 MB / 266.7 MB Notification: Performance of FrontEnd - DAE generated: time 4.468e-06/0.1938, allocations: 0 / 314.7 MB, free: 5.566 MB / 266.7 MB Notification: Performance of FrontEnd: time 1.453e-06/0.1938, allocations: 0 / 314.7 MB, free: 5.566 MB / 266.7 MB Notification: Performance of Transformations before backend: time 0.0001069/0.1939, allocations: 4 kB / 314.7 MB, free: 5.562 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 0.005489/0.1994, allocations: 4.571 MB / 319.3 MB, free: 0.9414 MB / 266.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.508e-05/0.1995, allocations: 11.98 kB / 319.3 MB, free: 0.9297 MB / 266.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001093/0.2005, allocations: 0.7268 MB / 320 MB, free: 208 kB / 266.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002633/0.2032, allocations: 2.348 MB / 322.4 MB, free: 13.93 MB / 282.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002482/0.2034, allocations: 420.7 kB / 322.8 MB, free: 13.48 MB / 282.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003252/0.2038, allocations: 324.8 kB / 323.1 MB, free: 13.17 MB / 282.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003443/0.2072, allocations: 2.56 MB / 325.7 MB, free: 10.51 MB / 282.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 6.274e-05/0.2073, allocations: 15.94 kB / 325.7 MB, free: 10.49 MB / 282.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000188/0.2074, allocations: 123.1 kB / 325.8 MB, free: 10.38 MB / 282.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.966e-05/0.2075, allocations: 146.1 kB / 326 MB, free: 10.23 MB / 282.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002417/0.21, allocations: 1.361 MB / 327.3 MB, free: 8.871 MB / 282.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01176/0.2217, allocations: 11.51 MB / 338.8 MB, free: 13.27 MB / 298.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001543/0.2233, allocations: 0.9503 MB / 339.8 MB, free: 12.32 MB / 298.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008028/0.2241, allocations: 0.5369 MB / 340.3 MB, free: 11.79 MB / 298.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0001972/0.2243, allocations: 73.95 kB / 340.4 MB, free: 11.72 MB / 298.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0009652/0.2252, allocations: 0.7971 MB / 341.2 MB, free: 10.87 MB / 298.7 MB Notification: Performance of pre-optimization done (n=186): time 3.416e-06/0.2252, allocations: 0 / 341.2 MB, free: 10.87 MB / 298.7 MB Notification: Performance of matching and sorting (n=234): time 0.01212/0.2374, allocations: 7.187 MB / 348.4 MB, free: 3.742 MB / 298.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.001923/0.2393, allocations: 2.596 MB / 351 MB, free: 0.9766 MB / 298.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002121/0.2414, allocations: 1.772 MB / 352.7 MB, free: 15.16 MB / 314.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0001181/0.2415, allocations: 73.7 kB / 352.8 MB, free: 15.08 MB / 314.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.001059/0.2426, allocations: 1.631 MB / 354.4 MB, free: 13.43 MB / 314.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.000483/0.2431, allocations: 0.8171 MB / 355.3 MB, free: 12.63 MB / 314.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005404/0.2436, allocations: 496 kB / 355.7 MB, free: 12.14 MB / 314.7 MB Notification: Performance of setup shared object (initialization): time 0.0001075/0.2437, allocations: 480.8 kB / 356.2 MB, free: 11.66 MB / 314.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000776/0.2445, allocations: 441 kB / 356.6 MB, free: 11.23 MB / 314.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001204/0.2457, allocations: 1.406 MB / 358 MB, free: 9.445 MB / 314.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.002028/0.2477, allocations: 1.903 MB / 360 MB, free: 7.184 MB / 314.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.716e-06/0.2477, allocations: 11.94 kB / 360 MB, free: 7.172 MB / 314.7 MB Notification: Performance of matching and sorting (n=339) (initialization): time 0.003152/0.2509, allocations: 2.205 MB / 362.2 MB, free: 4.902 MB / 314.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.406e-05/0.2509, allocations: 12 kB / 362.2 MB, free: 4.891 MB / 314.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.122e-05/0.2509, allocations: 16 kB / 362.2 MB, free: 4.875 MB / 314.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006993/0.2516, allocations: 354.9 kB / 362.5 MB, free: 4.512 MB / 314.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001292/0.2529, allocations: 0.6357 MB / 363.2 MB, free: 3.875 MB / 314.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003332/0.2562, allocations: 4.843 MB / 368 MB, free: 14.79 MB / 330.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001078/0.2573, allocations: 183.8 kB / 368.2 MB, free: 14.61 MB / 330.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001395/0.2575, allocations: 108 kB / 368.3 MB, free: 14.5 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 0.0007756/0.2582, allocations: 335.3 kB / 368.6 MB, free: 14.16 MB / 330.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003904/0.2586, allocations: 330.3 kB / 369 MB, free: 13.84 MB / 330.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002691/0.2613, allocations: 1.9 MB / 370.9 MB, free: 11.91 MB / 330.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.341e-05/0.2613, allocations: 24 kB / 370.9 MB, free: 11.89 MB / 330.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.813e-06/0.2613, allocations: 0 / 370.9 MB, free: 11.89 MB / 330.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.414e-05/0.2614, allocations: 15.89 kB / 370.9 MB, free: 11.87 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 0.008251/0.2696, allocations: 6.419 MB / 377.3 MB, free: 5.359 MB / 330.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.431e-06/0.2696, allocations: 0 / 377.3 MB, free: 5.359 MB / 330.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001068/0.2707, allocations: 411.4 kB / 377.7 MB, free: 4.957 MB / 330.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0008863/0.2716, allocations: 438.8 kB / 378.1 MB, free: 4.512 MB / 330.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001051/0.2717, allocations: 51.97 kB / 378.2 MB, free: 4.461 MB / 330.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.00488/0.2765, allocations: 7.16 MB / 385.4 MB, free: 12.94 MB / 346.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.001652/0.2782, allocations: 2.512 MB / 387.9 MB, free: 10.3 MB / 346.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003826/0.282, allocations: 2.567 MB / 390.4 MB, free: 7.664 MB / 346.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0009315/0.283, allocations: 0.5371 MB / 391 MB, free: 7.125 MB / 346.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001905/0.2831, allocations: 48 kB / 391 MB, free: 7.078 MB / 346.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006754/0.2838, allocations: 135.8 kB / 391.2 MB, free: 6.945 MB / 346.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003324/0.2842, allocations: 197.5 kB / 391.3 MB, free: 6.754 MB / 346.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.974e-05/0.2842, allocations: 67.97 kB / 391.4 MB, free: 6.688 MB / 346.7 MB Notification: Performance of sorting global known variables: time 0.001209/0.2855, allocations: 1.004 MB / 392.4 MB, free: 5.664 MB / 346.7 MB Notification: Performance of sort global known variables: time 8e-08/0.2855, allocations: 0 / 392.4 MB, free: 5.664 MB / 346.7 MB Notification: Performance of remove unused functions: time 0.002035/0.2875, allocations: 0.7694 MB / 393.2 MB, free: 4.895 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 0.001213/0.2887, allocations: 0.5781 MB / 393.8 MB, free: 4.496 MB / 346.7 MB Notification: Performance of simCode: created initialization part: time 0.002929/0.2916, allocations: 2.06 MB / 395.8 MB, free: 2.391 MB / 346.7 MB Notification: Performance of simCode: created event and clocks part: time 3.356e-06/0.2916, allocations: 0 / 395.8 MB, free: 2.391 MB / 346.7 MB Notification: Performance of simCode: created simulation system equations: time 0.001681/0.2933, allocations: 1.577 MB / 397.4 MB, free: 0.7461 MB / 346.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001584/0.2949, allocations: 0.6821 MB / 398.1 MB, free: 88 kB / 346.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00819/0.3031, allocations: 6.067 MB / 404.1 MB, free: 9.93 MB / 362.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007545/0.3038, allocations: 0.8256 MB / 405 MB, free: 9.074 MB / 362.7 MB Notification: Performance of simCode: alias equations: time 0.001198/0.305, allocations: 0.4887 MB / 405.5 MB, free: 8.582 MB / 362.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005066/0.3056, allocations: 208.4 kB / 405.7 MB, free: 8.379 MB / 362.7 MB Notification: Performance of SimCode: time 2.465e-06/0.3056, allocations: 0 / 405.7 MB, free: 8.379 MB / 362.7 MB Notification: Performance of Templates: time 0.1662/0.4717, allocations: 43.67 MB / 449.3 MB, free: 109.1 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: 5.585997859947383]