Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_trunk_ModelicaTest.MultiBody.Forces.Torque.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 0.001938/0.001938, allocations: 88.83 kB / 20.69 MB, free: 1.02 MB / 14.72 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 0.002386/0.002386, allocations: 158.8 kB / 23.95 MB, free: 4.152 MB / 14.72 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 1.494/1.494, allocations: 177 MB / 204.1 MB, free: 9.172 MB / 190.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest trunk/package.mo): time 0.2119/0.2119, allocations: 34.26 MB / 294.8 MB, free: 14.53 MB / 286.1 MB " [Timeout remaining time 180] Using package ModelicaTest with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest trunk/package.mo) 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(ModelicaTest.MultiBody.Forces.Torque,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5002,variableFilter="time|Revolute1.phi|Revolute1.w|Revolute2.phi|Revolute2.w|Revolute3.phi|Revolute3.w|Revolute4.phi|Revolute4.w",fileNamePrefix="ModelicaTest_trunk_ModelicaTest.MultiBody.Forces.Torque") translateModel(ModelicaTest.MultiBody.Forces.Torque,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5002,variableFilter="time|Revolute1.phi|Revolute1.w|Revolute2.phi|Revolute2.w|Revolute3.phi|Revolute3.w|Revolute4.phi|Revolute4.w",fileNamePrefix="ModelicaTest_trunk_ModelicaTest.MultiBody.Forces.Torque") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 4.689e-06/4.689e-06, allocations: 3.984 kB / 442.7 MB, free: 5.293 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.615e-05/3.084e-05, allocations: 6.281 kB / 442.7 MB, free: 5.285 MB / 366.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.Forces.Torque): time 0.2002/0.2003, allocations: 13.5 MB / 456.2 MB, free: 11.94 MB / 366.1 MB Notification: Performance of NFInst.instExpressions: time 0.01291/0.2132, allocations: 4.745 MB / 460.9 MB, free: 8.902 MB / 366.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.006372/0.2196, allocations: 126.4 kB / 461 MB, free: 8.863 MB / 366.1 MB Notification: Performance of NFTyping.typeComponents: time 0.01164/0.2312, allocations: 5.116 MB / 466.2 MB, free: 6.684 MB / 366.1 MB Notification: Performance of NFTyping.typeBindings: time 0.008592/0.2398, allocations: 2.635 MB / 468.8 MB, free: 5.395 MB / 366.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.002781/0.2426, allocations: 1.165 MB / 470 MB, free: 4.863 MB / 366.1 MB Notification: Performance of NFFlatten.flatten: time 0.01167/0.2542, allocations: 7.621 MB / 477.6 MB, free: 0.6758 MB / 366.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.008536/0.2628, allocations: 4.965 MB / 482.5 MB, free: 13.34 MB / 382.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.008235/0.271, allocations: 3.626 MB / 486.2 MB, free: 10.37 MB / 382.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.006451/0.2775, allocations: 3.417 MB / 489.6 MB, free: 6.941 MB / 382.1 MB Notification: Performance of NFPackage.collectConstants: time 0.001672/0.2791, allocations: 0.5117 MB / 490.1 MB, free: 6.43 MB / 382.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.003868/0.283, allocations: 1.358 MB / 491.5 MB, free: 5.07 MB / 382.1 MB Notification: Performance of NFScalarize.scalarize: time 0.004191/0.2872, allocations: 3.187 MB / 494.6 MB, free: 1.875 MB / 382.1 MB Notification: Performance of NFVerifyModel.verify: time 0.004374/0.2916, allocations: 1.959 MB / 496.6 MB, free: 15.91 MB / 398.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01366/0.3052, allocations: 10.44 MB / 0.4952 GB, free: 5.441 MB / 398.1 MB Notification: Performance of FrontEnd - DAE generated: time 7.224e-06/0.3052, allocations: 3.984 kB / 0.4952 GB, free: 5.438 MB / 398.1 MB Notification: Performance of FrontEnd: time 1.472e-06/0.3052, allocations: 0 / 0.4952 GB, free: 5.438 MB / 398.1 MB Notification: Performance of Transformations before backend: time 0.0002745/0.3055, allocations: 0 / 0.4952 GB, free: 5.438 MB / 398.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2161 * Number of variables: 2161 Notification: Performance of Generate backend data structure: time 0.01859/0.3241, allocations: 7.549 MB / 0.5025 GB, free: 13.81 MB / 414.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.323e-05/0.3242, allocations: 15.97 kB / 0.5025 GB, free: 13.8 MB / 414.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01359/0.3377, allocations: 2.852 MB / 0.5053 GB, free: 10.94 MB / 414.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.009855/0.3476, allocations: 4.183 MB / 0.5094 GB, free: 6.68 MB / 414.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003337/0.3479, allocations: 361.5 kB / 0.5098 GB, free: 6.324 MB / 414.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001465/0.3494, allocations: 484.1 kB / 0.5102 GB, free: 5.852 MB / 414.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02579/0.3752, allocations: 14.3 MB / 0.5242 GB, free: 6.52 MB / 430.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002462/0.3754, allocations: 73.33 kB / 0.5243 GB, free: 6.449 MB / 430.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001155/0.3766, allocations: 231.8 kB / 0.5245 GB, free: 6.223 MB / 430.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.005198/0.3818, allocations: 2.699 MB / 0.5271 GB, free: 3.508 MB / 430.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02597/0.4078, allocations: 11.98 MB / 0.5388 GB, free: 7.512 MB / 446.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0788/0.4866, allocations: 54.11 MB / 0.5917 GB, free: 15.95 MB / 0.4981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01709/0.5036, allocations: 5.765 MB / 0.5973 GB, free: 10.13 MB / 0.4981 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005207/0.5089, allocations: 3.402 MB / 0.6006 GB, free: 6.707 MB / 0.4981 GB Notification: Performance of preOpt evalFunc (simulation): time 0.01592/0.5248, allocations: 7.555 MB / 0.608 GB, free: 15.11 MB / 0.5137 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.89e-05/0.5248, allocations: 60.22 kB / 0.608 GB, free: 15.05 MB / 0.5137 GB Notification: Performance of pre-optimization done (n=236): time 5.641e-06/0.5248, allocations: 0 / 0.608 GB, free: 15.05 MB / 0.5137 GB Notification: Performance of matching and sorting (n=278): time 0.3346/0.8595, allocations: 31.12 MB / 0.6384 GB, free: 168 MB / 0.5294 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.748e-05/0.8596, allocations: 237.6 kB / 0.6387 GB, free: 167.7 MB / 0.5294 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.008864/0.8684, allocations: 5.78 MB / 0.6443 GB, free: 166.6 MB / 0.5294 GB Notification: Performance of collectPreVariables (initialization): time 0.0006476/0.8691, allocations: 67.05 kB / 0.6444 GB, free: 166.5 MB / 0.5294 GB Notification: Performance of collectInitialEqns (initialization): time 0.002499/0.8716, allocations: 4.592 MB / 0.6489 GB, free: 163.6 MB / 0.5294 GB Notification: Performance of collectInitialBindings (initialization): time 0.001348/0.8729, allocations: 1.098 MB / 0.6499 GB, free: 162.8 MB / 0.5294 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002559/0.8755, allocations: 1.776 MB / 0.6517 GB, free: 161.9 MB / 0.5294 GB Notification: Performance of setup shared object (initialization): time 4.603e-05/0.8755, allocations: 302.2 kB / 0.652 GB, free: 161.6 MB / 0.5294 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00548/0.881, allocations: 3.556 MB / 0.6554 GB, free: 160.4 MB / 0.5294 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.008483/0.8895, allocations: 8.672 MB / 0.6639 GB, free: 152.4 MB / 0.5294 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01366/0.9031, allocations: 13.1 MB / 0.6767 GB, free: 142.2 MB / 0.5294 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0003872/0.9035, allocations: 53.69 kB / 0.6767 GB, free: 142.2 MB / 0.5294 GB Notification: Performance of matching and sorting (n=1140) (initialization): time 0.02714/0.9307, allocations: 13.88 MB / 0.6903 GB, free: 137.3 MB / 0.5294 GB Notification: Performance of prepare postOptimizeDAE: time 0.0004589/0.9311, allocations: 81.94 kB / 0.6904 GB, free: 137.3 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0005181/0.9316, allocations: 185.2 kB / 0.6905 GB, free: 137.3 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.006197/0.9378, allocations: 2.279 MB / 0.6928 GB, free: 136.3 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007012/0.9449, allocations: 2.003 MB / 0.6947 GB, free: 134.6 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01634/0.9612, allocations: 14.02 MB / 0.7084 GB, free: 121 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.008349/0.9695, allocations: 0.5656 MB / 0.709 GB, free: 120.4 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001882/0.9714, allocations: 0.5117 MB / 0.7095 GB, free: 119.9 MB / 0.5294 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 808 * Number of states: 0 () * Number of discrete variables: 67 (torque2.torqueArrow.twoHeadedArrow,torque2.torqueArrow.headAtOrigin,torque1.torqueArrow.twoHeadedArrow,torque1.torqueArrow.headAtOrigin,fixed4.color[3],fixed4.color[2],fixed4.color[1],fixed2.color[3],fixed2.color[2],fixed2.color[1],Revolute4.cylinderColor[3],Revolute4.cylinderColor[2],Revolute4.cylinderColor[1],Revolute3.cylinderColor[3],Revolute3.cylinderColor[2],Revolute3.cylinderColor[1],Revolute2.cylinderColor[3],Revolute2.cylinderColor[2],Revolute2.cylinderColor[1],torque2.connectionLineColor[3],torque2.connectionLineColor[2],torque2.connectionLineColor[1],torque2.torqueColor[3],torque2.torqueColor[2],torque2.torqueColor[1],torque1.connectionLineColor[3],torque1.connectionLineColor[2],torque1.connectionLineColor[1],torque1.torqueColor[3],torque1.torqueColor[2],torque1.torqueColor[1],fixedRotation.color[3],fixedRotation.color[2],fixedRotation.color[1],fixed3.color[3],fixed3.color[2],fixed3.color[1],body2.color[3],body2.color[2],body2.color[1],body2.body.sphereColor[3],body2.body.sphereColor[2],body2.body.sphereColor[1],fixed1.color[3],fixed1.color[2],fixed1.color[1],body1.color[3],body1.color[2],body1.color[1],body1.body.sphereColor[3],body1.body.sphereColor[2],body1.body.sphereColor[1],Revolute1.cylinderColor[3],Revolute1.cylinderColor[2],Revolute1.cylinderColor[1],world.gravityArrowColor[3],world.gravityArrowColor[2],world.gravityArrowColor[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]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (1058): * Single equations (assignments): 1051 * Array equations: 5 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(2,23,100.0%), (2,23,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.006429/0.9779, allocations: 2.989 MB / 0.7124 GB, free: 116.9 MB / 0.5294 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001736/0.9796, allocations: 0.4889 MB / 0.7129 GB, free: 116.4 MB / 0.5294 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01292/0.9925, allocations: 6.925 MB / 0.7196 GB, free: 109.5 MB / 0.5294 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.687e-05/0.9926, allocations: 31.75 kB / 0.7197 GB, free: 109.4 MB / 0.5294 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.812e-05/0.9926, allocations: 8 kB / 0.7197 GB, free: 109.4 MB / 0.5294 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.915e-05/0.9927, allocations: 15.95 kB / 0.7197 GB, free: 109.4 MB / 0.5294 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.02667/1.019, allocations: 13.16 MB / 0.7325 GB, free: 96.25 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.997e-05/1.019, allocations: 4 kB / 0.7325 GB, free: 96.24 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002319/1.022, allocations: 459.3 kB / 0.733 GB, free: 95.79 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.005295/1.027, allocations: 2.038 MB / 0.735 GB, free: 93.75 MB / 0.5294 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005046/1.028, allocations: 48 kB / 0.735 GB, free: 93.7 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01562/1.043, allocations: 13.42 MB / 0.7481 GB, free: 80.09 MB / 0.5294 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.011e-06/1.043, allocations: 8 kB / 0.7481 GB, free: 80.09 MB / 0.5294 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01631/1.059, allocations: 11.07 MB / 0.7589 GB, free: 68.87 MB / 0.5294 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001658/1.061, allocations: 0.4927 MB / 0.7594 GB, free: 68.38 MB / 0.5294 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001868/1.063, allocations: 51.44 kB / 0.7595 GB, free: 68.33 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003898/1.067, allocations: 263.5 kB / 0.7597 GB, free: 68.07 MB / 0.5294 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009528/1.068, allocations: 185.5 kB / 0.7599 GB, free: 67.89 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004042/1.068, allocations: 75.98 kB / 0.76 GB, free: 67.82 MB / 0.5294 GB Notification: Performance of sorting global known variables: time 0.006296/1.075, allocations: 3.398 MB / 0.7633 GB, free: 64.43 MB / 0.5294 GB Notification: Performance of sort global known variables: time 1e-07/1.075, allocations: 0 / 0.7633 GB, free: 64.43 MB / 0.5294 GB Notification: Performance of remove unused functions: time 0.009432/1.084, allocations: 1.727 MB / 0.765 GB, free: 62.71 MB / 0.5294 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 20 * Number of states: 8 (Revolute1.phi,Revolute1.w,Revolute3.phi,Revolute3.w,Revolute2.phi,Revolute2.w,Revolute4.phi,Revolute4.w) * 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 (220): * Single equations (assignments): 215 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(4,18,75.0%), (4,18,75.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0008726/1.085, allocations: 209.8 kB / 0.7652 GB, free: 62.5 MB / 0.5294 GB Notification: Performance of simCode: created initialization part: time 0.01209/1.097, allocations: 8.309 MB / 0.7733 GB, free: 54.19 MB / 0.5294 GB Notification: Performance of simCode: created event and clocks part: time 9.568e-06/1.097, allocations: 384 / 0.7733 GB, free: 54.19 MB / 0.5294 GB Notification: Performance of simCode: created simulation system equations: time 0.005371/1.102, allocations: 3.181 MB / 0.7764 GB, free: 50.98 MB / 0.5294 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005004/1.107, allocations: 0.6074 MB / 0.777 GB, free: 50.4 MB / 0.5294 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02212/1.129, allocations: 14.72 MB / 0.7914 GB, free: 35.58 MB / 0.5294 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004102/1.134, allocations: 4.048 MB / 0.7953 GB, free: 31.5 MB / 0.5294 GB Notification: Performance of simCode: alias equations: time 0.005211/1.139, allocations: 2.651 MB / 0.7979 GB, free: 28.84 MB / 0.5294 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0013/1.14, allocations: 352.4 kB / 0.7982 GB, free: 28.49 MB / 0.5294 GB Notification: Performance of SimCode: time 1.142e-06/1.14, allocations: 0 / 0.7982 GB, free: 28.49 MB / 0.5294 GB Notification: Performance of Templates: time 0.3035/1.444, allocations: 56.83 MB / 0.8537 GB, free: 164 MB / 0.545 GB " [Timeout remaining time 659] make -j1 -f ModelicaTest_trunk_ModelicaTest.MultiBody.Forces.Torque.makefile [Timeout 660] (rm -f ModelicaTest_trunk_ModelicaTest.MultiBody.Forces.Torque.pipe ; mkfifo ModelicaTest_trunk_ModelicaTest.MultiBody.Forces.Torque.pipe ; head -c 1048576 < ModelicaTest_trunk_ModelicaTest.MultiBody.Forces.Torque.pipe >> ../files/ModelicaTest_trunk_ModelicaTest.MultiBody.Forces.Torque.sim & ./ModelicaTest_trunk_ModelicaTest.MultiBody.Forces.Torque -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > ModelicaTest_trunk_ModelicaTest.MultiBody.Forces.Torque.pipe 2>&1) [Timeout 480] diffSimulationResults("ModelicaTest_trunk_ModelicaTest.MultiBody.Forces.Torque_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/ModelicaTest/MultiBody/Forces/Torque/Torque.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_trunk_ModelicaTest.MultiBody.Forces.Torque.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "" [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 8.423832528293133]