Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.0.0_ModelicaTest.MultiBody.FourbarVariants.JointUSP.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 0.0009483/0.0009483, allocations: 79.69 kB / 20.67 MB, free: 3.891 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 0.0008428/0.0008428, allocations: 170 kB / 23.95 MB, free: 0.6133 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 0.9044/0.9044, allocations: 177.1 MB / 204.3 MB, free: 5.734 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo): time 0.2436/0.2436, allocations: 32.79 MB / 293.5 MB, free: 1.238 MB / 266.7 MB " [Timeout remaining time 180] Using package ModelicaTest with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/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: "" <> buildModelFMU(ModelicaTest.MultiBody.FourbarVariants.JointUSP,fileNamePrefix="ModelicaTest_4_0_0_ModelicaTest_MultiBody_FourbarVariants_JointUSP",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.MultiBody.FourbarVariants.JointUSP,fileNamePrefix="ModelicaTest_4_0_0_ModelicaTest_MultiBody_FourbarVariants_JointUSP",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 2.364e-06/2.364e-06, allocations: 0 / 439.6 MB, free: 4.293 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.847e-05/2.084e-05, allocations: 13.17 kB / 439.6 MB, free: 4.281 MB / 410.7 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.FourbarVariants.JointUSP): time 0.1866/0.1866, allocations: 13.91 MB / 453.5 MB, free: 38.78 MB / 410.7 MB Notification: Performance of NFInst.instExpressions: time 0.006417/0.193, allocations: 5.227 MB / 458.7 MB, free: 35.43 MB / 410.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.00115/0.1942, allocations: 130.5 kB / 458.8 MB, free: 35.38 MB / 410.7 MB Notification: Performance of NFTyping.typeComponents: time 0.003747/0.1979, allocations: 5.241 MB / 464.1 MB, free: 33.16 MB / 410.7 MB Notification: Performance of NFTyping.typeBindings: time 0.002792/0.2007, allocations: 2.76 MB / 466.8 MB, free: 31.8 MB / 410.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.001559/0.2023, allocations: 1.553 MB / 468.4 MB, free: 31.12 MB / 410.7 MB Notification: Performance of NFFlatten.flatten: time 0.004755/0.207, allocations: 9.354 MB / 477.8 MB, free: 27.57 MB / 410.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0033/0.2103, allocations: 5.965 MB / 483.7 MB, free: 24.91 MB / 410.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003746/0.2141, allocations: 4.245 MB / 488 MB, free: 23 MB / 410.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.004012/0.2181, allocations: 4.117 MB / 492.1 MB, free: 21.88 MB / 410.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0007105/0.2188, allocations: 0.6503 MB / 492.7 MB, free: 21.88 MB / 410.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.002245/0.221, allocations: 1.752 MB / 494.5 MB, free: 21.59 MB / 410.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0028/0.2238, allocations: 3.611 MB / 498.1 MB, free: 20.03 MB / 410.7 MB Notification: Performance of NFVerifyModel.verify: time 0.002317/0.2261, allocations: 2.332 MB / 0.4887 GB, free: 18.86 MB / 410.7 MB Notification: Performance of NFConvertDAE.convert: time 0.008867/0.235, allocations: 12.43 MB / 0.5008 GB, free: 10.77 MB / 410.7 MB Notification: Performance of FrontEnd - DAE generated: time 6.201e-06/0.235, allocations: 3.938 kB / 0.5008 GB, free: 10.77 MB / 410.7 MB Notification: Performance of FrontEnd: time 4.569e-06/0.235, allocations: 0 / 0.5008 GB, free: 10.77 MB / 410.7 MB Notification: Performance of Transformations before backend: time 0.0001538/0.2352, allocations: 1.281 kB / 0.5008 GB, free: 10.77 MB / 410.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2166 * Number of variables: 2166 Notification: Performance of Generate backend data structure: time 0.01013/0.2453, allocations: 8.433 MB / 0.5091 GB, free: 2.961 MB / 410.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.364e-05/0.2454, allocations: 8.031 kB / 0.5091 GB, free: 2.953 MB / 410.7 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.000941/0.2463, allocations: 1.16 MB / 0.5102 GB, free: 1.781 MB / 410.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0272/0.2735, allocations: 9.019 MB / 0.519 GB, free: 8.746 MB / 426.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.008893/0.2824, allocations: 5.317 MB / 0.5242 GB, free: 3.34 MB / 426.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001984/0.2826, allocations: 378.2 kB / 0.5246 GB, free: 2.969 MB / 426.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000818/0.2834, allocations: 0.5122 MB / 0.5251 GB, free: 2.457 MB / 426.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0183/0.3017, allocations: 15.56 MB / 0.5403 GB, free: 1.973 MB / 442.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001146/0.3018, allocations: 67.47 kB / 0.5403 GB, free: 1.906 MB / 442.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004172/0.3022, allocations: 235.8 kB / 0.5406 GB, free: 1.676 MB / 442.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.002204/0.3044, allocations: 2.544 MB / 0.543 GB, free: 15.13 MB / 458.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01629/0.3207, allocations: 12.88 MB / 0.5556 GB, free: 2.23 MB / 458.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04942/0.3702, allocations: 54.25 MB / 0.6086 GB, free: 10.66 MB / 0.5105 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009654/0.3798, allocations: 5.847 MB / 0.6143 GB, free: 4.77 MB / 0.5105 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.002724/0.3825, allocations: 3.121 MB / 0.6174 GB, free: 1.637 MB / 0.5105 GB Notification: Performance of preOpt evalFunc (simulation): time 0.009964/0.3925, allocations: 9.447 MB / 0.6266 GB, free: 8.152 MB / 0.5261 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.56e-05/0.3925, allocations: 64.5 kB / 0.6266 GB, free: 8.082 MB / 0.5261 GB Notification: Performance of pre-optimization done (n=245): time 3.858e-06/0.3925, allocations: 0 / 0.6266 GB, free: 8.082 MB / 0.5261 GB Notification: Performance of matching and sorting (n=338): time 0.2713/0.6638, allocations: 40.94 MB / 0.6666 GB, free: 144.5 MB / 0.5261 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001149/0.6639, allocations: 244.6 kB / 0.6669 GB, free: 144.3 MB / 0.5261 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01097/0.6749, allocations: 6.544 MB / 0.6732 GB, free: 141.9 MB / 0.5261 GB Notification: Performance of collectPreVariables (initialization): time 0.0008456/0.6757, allocations: 81.33 kB / 0.6733 GB, free: 141.8 MB / 0.5261 GB Notification: Performance of collectInitialEqns (initialization): time 0.003061/0.6788, allocations: 4.573 MB / 0.6778 GB, free: 138.2 MB / 0.5261 GB Notification: Performance of collectInitialBindings (initialization): time 0.001762/0.6806, allocations: 1.278 MB / 0.679 GB, free: 137.3 MB / 0.5261 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002447/0.683, allocations: 1.612 MB / 0.6806 GB, free: 136.5 MB / 0.5261 GB Notification: Performance of setup shared object (initialization): time 3.79e-05/0.683, allocations: 303.2 kB / 0.6809 GB, free: 136.2 MB / 0.5261 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004991/0.688, allocations: 3.774 MB / 0.6846 GB, free: 134.8 MB / 0.5261 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006743/0.6948, allocations: 8.379 MB / 0.6928 GB, free: 127.3 MB / 0.5261 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01271/0.7075, allocations: 13.02 MB / 0.7055 GB, free: 116.8 MB / 0.5261 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001281/0.7076, allocations: 47.94 kB / 0.7055 GB, free: 116.7 MB / 0.5261 GB Notification: Performance of matching and sorting (n=1067) (initialization): time 0.02322/0.7308, allocations: 15.44 MB / 0.7206 GB, free: 103.8 MB / 0.5261 GB Notification: Performance of prepare postOptimizeDAE: time 9.233e-05/0.7309, allocations: 76.88 kB / 0.7207 GB, free: 103.8 MB / 0.5261 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001629/0.7311, allocations: 156 kB / 0.7208 GB, free: 103.6 MB / 0.5261 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.007098/0.7382, allocations: 4.102 MB / 0.7248 GB, free: 99.93 MB / 0.5261 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003928/0.7421, allocations: 1.801 MB / 0.7266 GB, free: 98.12 MB / 0.5261 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01772/0.7598, allocations: 20.66 MB / 0.7468 GB, free: 77.36 MB / 0.5261 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006015/0.7658, allocations: 0.5773 MB / 0.7473 GB, free: 76.78 MB / 0.5261 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001165/0.767, allocations: 475 kB / 0.7478 GB, free: 76.32 MB / 0.5261 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 717 * Number of states: 0 () * Number of discrete variables: 46 (jointUSP.prismatic.positiveBranch,body2.color[3],body2.color[2],body2.color[1],body2.body.sphereColor[3],body2.body.sphereColor[2],body2.body.sphereColor[1],jointUSP.rod1Color[3],jointUSP.rod1Color[2],jointUSP.rod1Color[1],jointUSP.cylinderColor[3],jointUSP.cylinderColor[2],jointUSP.cylinderColor[1],jointUSP.sphereColor[3],jointUSP.sphereColor[2],jointUSP.sphereColor[1],ground_rod.color[3],ground_rod.color[2],ground_rod.color[1],body3.color[3],body3.color[2],body3.color[1],body3.body.sphereColor[3],body3.body.sphereColor[2],body3.body.sphereColor[1],body1.color[3],body1.color[2],body1.color[1],body1.body.sphereColor[3],body1.body.sphereColor[2],body1.body.sphereColor[1],revolute.cylinderColor[3],revolute.cylinderColor[2],revolute.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 (966): * Single equations (assignments): 962 * 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 {(1,77,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.004984/0.772, allocations: 3.117 MB / 0.7508 GB, free: 73.19 MB / 0.5261 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001289/0.7733, allocations: 0.551 MB / 0.7514 GB, free: 72.64 MB / 0.5261 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01111/0.7844, allocations: 9.564 MB / 0.7607 GB, free: 63.01 MB / 0.5261 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.161e-05/0.7844, allocations: 32 kB / 0.7607 GB, free: 62.98 MB / 0.5261 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.019e-05/0.7844, allocations: 16 kB / 0.7607 GB, free: 62.96 MB / 0.5261 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.784e-05/0.7845, allocations: 15.94 kB / 0.7608 GB, free: 62.95 MB / 0.5261 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.02517/0.8096, allocations: 18.92 MB / 0.7792 GB, free: 43.91 MB / 0.5261 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.668e-05/0.8097, allocations: 4 kB / 0.7792 GB, free: 43.91 MB / 0.5261 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001377/0.811, allocations: 499.7 kB / 0.7797 GB, free: 43.42 MB / 0.5261 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.006259/0.8173, allocations: 3.658 MB / 0.7833 GB, free: 39.76 MB / 0.5261 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004834/0.8178, allocations: 64.86 kB / 0.7834 GB, free: 39.7 MB / 0.5261 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01511/0.8329, allocations: 18.2 MB / 0.8011 GB, free: 21.37 MB / 0.5261 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.179e-06/0.8329, allocations: 11.94 kB / 0.8011 GB, free: 21.36 MB / 0.5261 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01534/0.8482, allocations: 14.19 MB / 0.815 GB, free: 6.977 MB / 0.5261 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001926/0.8502, allocations: 0.6015 MB / 0.8156 GB, free: 6.371 MB / 0.5261 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001286/0.8515, allocations: 63.98 kB / 0.8156 GB, free: 6.309 MB / 0.5261 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002484/0.8539, allocations: 299.6 kB / 0.8159 GB, free: 6.016 MB / 0.5261 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005783/0.8545, allocations: 246.1 kB / 0.8162 GB, free: 5.773 MB / 0.5261 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001703/0.8547, allocations: 91.98 kB / 0.8163 GB, free: 5.684 MB / 0.5261 GB Notification: Performance of sorting global known variables: time 0.004778/0.8595, allocations: 4.056 MB / 0.8202 GB, free: 1.656 MB / 0.5261 GB Notification: Performance of sort global known variables: time 2.21e-07/0.8595, allocations: 0 / 0.8202 GB, free: 1.656 MB / 0.5261 GB Notification: Performance of remove unused functions: time 0.007141/0.8666, allocations: 1.898 MB / 0.8221 GB, free: 15.76 MB / 0.5417 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 29 * Number of states: 2 (revolute.phi,revolute.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 (256): * Single equations (assignments): 252 * 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 {(1,64,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.2127/1.079, allocations: 14.94 MB / 0.8367 GB, free: 151 MB / 0.5417 GB Notification: Performance of simCode: created initialization part: time 0.01097/1.09, allocations: 8.826 MB / 0.8453 GB, free: 149.8 MB / 0.5417 GB Notification: Performance of simCode: created event and clocks part: time 1.044e-05/1.09, allocations: 2.938 kB / 0.8453 GB, free: 149.8 MB / 0.5417 GB Notification: Performance of simCode: created simulation system equations: time 0.00356/1.094, allocations: 3.324 MB / 0.8485 GB, free: 148.5 MB / 0.5417 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004117/1.098, allocations: 0.7704 MB / 0.8493 GB, free: 148.1 MB / 0.5417 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.1203/1.218, allocations: 80.35 MB / 0.9277 GB, free: 97.98 MB / 0.5417 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.006803/1.225, allocations: 4.326 MB / 0.932 GB, free: 94.8 MB / 0.5417 GB Notification: Performance of simCode: alias equations: time 0.004858/1.23, allocations: 2.611 MB / 0.9345 GB, free: 93.16 MB / 0.5417 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.003606/1.233, allocations: 3.083 MB / 0.9375 GB, free: 90.3 MB / 0.5417 GB Notification: Performance of SimCode: time 1.923e-06/1.233, allocations: 3.938 kB / 0.9375 GB, free: 90.29 MB / 0.5417 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.3096/1.543, allocations: 133.9 MB / 1.068 GB, free: 161.5 MB / 0.5573 GB Notification: Performance of buildModelFMU: Generate platform static: time 11.29/12.83, allocations: 2.562 kB / 1.068 GB, free: 161.5 MB / 0.5573 GB " [Timeout remaining time 647] (rm -f ModelicaTest_4.0.0_ModelicaTest.MultiBody.FourbarVariants.JointUSP.pipe ; mkfifo ModelicaTest_4.0.0_ModelicaTest.MultiBody.FourbarVariants.JointUSP.pipe ; head -c 1048576 < ModelicaTest_4.0.0_ModelicaTest.MultiBody.FourbarVariants.JointUSP.pipe >> ../files/ModelicaTest_4.0.0_ModelicaTest.MultiBody.FourbarVariants.JointUSP.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=ModelicaTest_4.0.0_ModelicaTest.MultiBody.FourbarVariants.JointUSP_res.mat --tempDir=temp_ModelicaTest_4_0_0_ModelicaTest_MultiBody_FourbarVariants_JointUSP_fmu --startTime=0 --stopTime=5 --stepSize=0.0009996 --timeout=50 --tolerance=1e-06 ModelicaTest_4_0_0_ModelicaTest_MultiBody_FourbarVariants_JointUSP.fmu > ModelicaTest_4.0.0_ModelicaTest.MultiBody.FourbarVariants.JointUSP.pipe 2>&1) [Timeout 52.5] diffSimulationResults("ModelicaTest_4.0.0_ModelicaTest.MultiBody.FourbarVariants.JointUSP_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/ModelicaTest/MultiBody/FourbarVariants/JointUSP/JointUSP.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_4.0.0_ModelicaTest.MultiBody.FourbarVariants.JointUSP.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "" [Timeout remaining time 659] Reference file matches [Calling sys.exit(0), Time elapsed: 15.752000926062465]