Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b_analytic.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 0.0008223/0.0008223, allocations: 80.34 kB / 20.67 MB, free: 3.879 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 0.0008089/0.0008089, allocations: 160.9 kB / 23.95 MB, free: 0.5977 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 0.8978/0.8978, allocations: 177 MB / 204.1 MB, free: 5.742 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: "" <> buildModelFMU(Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b_analytic,fileNamePrefix="Modelica_trunk_Modelica_Mechanics_MultiBody_Examples_Loops_Engine1b_analytic",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b_analytic,fileNamePrefix="Modelica_trunk_Modelica_Mechanics_MultiBody_Examples_Loops_Engine1b_analytic",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.392e-06/1.392e-06, allocations: 0 / 324.5 MB, free: 15.88 MB / 298.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.934e-05/2.073e-05, allocations: 6.281 kB / 324.6 MB, free: 15.87 MB / 298.7 MB Notification: Performance of NFInst.instantiate(Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b_analytic): time 0.01399/0.01401, allocations: 20.11 MB / 344.7 MB, free: 11.66 MB / 314.7 MB Notification: Performance of NFInst.instExpressions: time 0.01257/0.02658, allocations: 6.846 MB / 351.5 MB, free: 4.793 MB / 314.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.003751/0.03033, allocations: 218.8 kB / 351.7 MB, free: 4.578 MB / 314.7 MB Notification: Performance of NFTyping.typeComponents: time 0.008166/0.0385, allocations: 8.104 MB / 359.8 MB, free: 12.45 MB / 330.7 MB Notification: Performance of NFTyping.typeBindings: time 0.007232/0.04573, allocations: 3.771 MB / 363.6 MB, free: 8.66 MB / 330.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.003585/0.04931, allocations: 2.277 MB / 365.9 MB, free: 6.379 MB / 330.7 MB Notification: Performance of NFFlatten.flatten: time 0.01422/0.06354, allocations: 15.7 MB / 381.6 MB, free: 6.652 MB / 346.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.01078/0.07432, allocations: 9.461 MB / 391 MB, free: 13.09 MB / 362.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.01096/0.08528, allocations: 6.616 MB / 397.7 MB, free: 6.465 MB / 362.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.008048/0.09333, allocations: 6.481 MB / 404.1 MB, free: 15.97 MB / 378.7 MB Notification: Performance of NFPackage.collectConstants: time 0.002551/0.09588, allocations: 1.031 MB / 405.2 MB, free: 14.94 MB / 378.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.00411/0.09999, allocations: 2.131 MB / 407.3 MB, free: 12.8 MB / 378.7 MB Notification: Performance of NFScalarize.scalarize: time 0.005349/0.1053, allocations: 5.471 MB / 412.8 MB, free: 7.32 MB / 378.7 MB Notification: Performance of NFVerifyModel.verify: time 0.005395/0.1107, allocations: 3.717 MB / 416.5 MB, free: 3.594 MB / 378.7 MB Notification: Performance of NFConvertDAE.convert: time 0.01525/0.126, allocations: 18.43 MB / 434.9 MB, free: 1.113 MB / 394.7 MB Notification: Performance of FrontEnd - DAE generated: time 4.699e-06/0.126, allocations: 0 / 434.9 MB, free: 1.113 MB / 394.7 MB Notification: Performance of FrontEnd: time 1.463e-06/0.126, allocations: 0 / 434.9 MB, free: 1.113 MB / 394.7 MB Notification: Performance of Transformations before backend: time 0.0005727/0.1266, allocations: 0 / 434.9 MB, free: 1.113 MB / 394.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2752 * Number of variables: 2752 Notification: Performance of Generate backend data structure: time 0.02631/0.1529, allocations: 12.37 MB / 447.3 MB, free: 4.641 MB / 410.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.669e-05/0.1529, allocations: 11.98 kB / 447.3 MB, free: 4.629 MB / 410.7 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.003137/0.1561, allocations: 1.337 MB / 448.6 MB, free: 3.281 MB / 410.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.4002/0.5562, allocations: 25.79 MB / 474.4 MB, free: 90.84 MB / 410.8 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0151/0.5713, allocations: 9.113 MB / 483.5 MB, free: 82.49 MB / 410.8 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002634/0.5716, allocations: 0.5202 MB / 484.1 MB, free: 82.02 MB / 410.8 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002244/0.5738, allocations: 0.7231 MB / 484.8 MB, free: 81.34 MB / 410.8 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0223/0.5961, allocations: 19.47 MB / 0.4924 GB, free: 60.9 MB / 410.8 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002183/0.5963, allocations: 99.3 kB / 0.4925 GB, free: 60.8 MB / 410.8 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006221/0.597, allocations: 325.1 kB / 0.4928 GB, free: 60.53 MB / 410.8 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.002022/0.599, allocations: 2.823 MB / 0.4956 GB, free: 57.72 MB / 410.8 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01992/0.6189, allocations: 15.48 MB / 0.5107 GB, free: 42.23 MB / 410.8 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 preOpt removeSimpleEquations (simulation): time 0.06803/0.6869, allocations: 68.22 MB / 0.5773 GB, free: 5.129 MB / 442.8 MB Notification: Performance of preOpt comSubExp (simulation): time 0.01419/0.7011, allocations: 7.598 MB / 0.5848 GB, free: 13.5 MB / 458.8 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.004134/0.7053, allocations: 3.995 MB / 0.5887 GB, free: 9.477 MB / 458.8 MB Notification: Performance of preOpt evalFunc (simulation): time 0.01629/0.7215, allocations: 11.68 MB / 0.6001 GB, free: 13.92 MB / 474.8 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.142e-05/0.7216, allocations: 76.44 kB / 0.6001 GB, free: 13.84 MB / 474.8 MB Notification: Performance of pre-optimization done (n=309): time 7.965e-06/0.7216, allocations: 0 / 0.6001 GB, free: 13.84 MB / 474.8 MB Notification: Performance of matching and sorting (n=416): time 0.2849/1.007, allocations: 52.72 MB / 0.6516 GB, free: 163.5 MB / 490.8 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000122/1.007, allocations: 405.6 kB / 0.652 GB, free: 163 MB / 490.8 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01127/1.018, allocations: 8.952 MB / 0.6607 GB, free: 159.4 MB / 490.8 MB Notification: Performance of collectPreVariables (initialization): time 0.0009752/1.019, allocations: 93.7 kB / 0.6608 GB, free: 159.3 MB / 490.8 MB Notification: Performance of collectInitialEqns (initialization): time 0.002697/1.022, allocations: 5.939 MB / 0.6666 GB, free: 154.4 MB / 490.8 MB Notification: Performance of collectInitialBindings (initialization): time 0.001691/1.023, allocations: 1.555 MB / 0.6682 GB, free: 153 MB / 490.8 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001981/1.025, allocations: 1.836 MB / 0.6699 GB, free: 151.2 MB / 490.8 MB Notification: Performance of setup shared object (initialization): time 3.917e-05/1.025, allocations: 305.1 kB / 0.6702 GB, free: 150.9 MB / 490.8 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004142/1.029, allocations: 4.453 MB / 0.6746 GB, free: 146.5 MB / 490.8 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005386/1.035, allocations: 9.643 MB / 0.684 GB, free: 134.4 MB / 490.8 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0114/1.046, allocations: 14.92 MB / 0.6986 GB, free: 117.1 MB / 490.8 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001345/1.046, allocations: 48 kB / 0.6986 GB, free: 117.1 MB / 490.8 MB Notification: Performance of matching and sorting (n=1204) (initialization): time 0.02244/1.069, allocations: 18.07 MB / 0.7163 GB, free: 99 MB / 490.8 MB Notification: Performance of prepare postOptimizeDAE: time 7.985e-05/1.069, allocations: 80 kB / 0.7163 GB, free: 98.93 MB / 490.8 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.00013/1.069, allocations: 168 kB / 0.7165 GB, free: 98.76 MB / 490.8 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.008704/1.078, allocations: 5.187 MB / 0.7216 GB, free: 93.57 MB / 490.8 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004095/1.082, allocations: 1.946 MB / 0.7235 GB, free: 91.62 MB / 490.8 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02474/1.107, allocations: 29.8 MB / 0.7526 GB, free: 61.73 MB / 490.8 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006665/1.113, allocations: 0.6514 MB / 0.7532 GB, free: 61.08 MB / 490.8 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001387/1.115, allocations: 0.5039 MB / 0.7537 GB, free: 60.57 MB / 490.8 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 774 * Number of states: 0 () * Number of discrete variables: 73 (jointRRP.jointUSP.prismatic.positiveBranch,jointRRP.jointUSP.rod1Color[3],jointRRP.jointUSP.rod1Color[2],jointRRP.jointUSP.rod1Color[1],jointRRP.jointUSP.cylinderColor[3],jointRRP.jointUSP.cylinderColor[2],jointRRP.jointUSP.cylinderColor[1],jointRRP.jointUSP.sphereColor[3],jointRRP.jointUSP.sphereColor[2],jointRRP.jointUSP.sphereColor[1],jointRRP.rodColor[3],jointRRP.rodColor[2],jointRRP.rodColor[1],jointRRP.cylinderColor[3],jointRRP.cylinderColor[2],jointRRP.cylinderColor[1],cylPosition.color[3],cylPosition.color[2],cylPosition.color[1],mid.color[3],mid.color[2],mid.color[1],crank4.color[3],crank4.color[2],crank4.color[1],crank4.body.sphereColor[3],crank4.body.sphereColor[2],crank4.body.sphereColor[1],crank3.color[3],crank3.color[2],crank3.color[1],crank3.body.sphereColor[3],crank3.body.sphereColor[2],crank3.body.sphereColor[1],crank2.color[3],crank2.color[2],crank2.color[1],crank2.body.sphereColor[3],crank2.body.sphereColor[2],crank2.body.sphereColor[1],crank1.color[3],crank1.color[2],crank1.color[1],crank1.body.sphereColor[3],crank1.body.sphereColor[2],crank1.body.sphereColor[1],bearing.cylinderColor[3],bearing.cylinderColor[2],bearing.cylinderColor[1],connectingRod.color[3],connectingRod.color[2],connectingRod.color[1],connectingRod.body.sphereColor[3],connectingRod.body.sphereColor[2],connectingRod.body.sphereColor[1],piston.color[3],piston.color[2],piston.color[1],piston.body.sphereColor[3],piston.body.sphereColor[2],piston.body.sphereColor[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 (1047): * Single equations (assignments): 1042 * Array equations: 4 * 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 {(3,129,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.00587/1.121, allocations: 4.078 MB / 0.7577 GB, free: 56.48 MB / 490.8 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001768/1.122, allocations: 0.745 MB / 0.7584 GB, free: 55.73 MB / 490.8 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01413/1.136, allocations: 11.83 MB / 0.77 GB, free: 43.86 MB / 490.8 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.46e-05/1.136, allocations: 44 kB / 0.77 GB, free: 43.81 MB / 490.8 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.301e-05/1.136, allocations: 24 kB / 0.77 GB, free: 43.79 MB / 490.8 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.287e-05/1.137, allocations: 19.92 kB / 0.77 GB, free: 43.77 MB / 490.8 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03417/1.171, allocations: 24.53 MB / 0.794 GB, free: 19.14 MB / 490.8 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.259e-05/1.171, allocations: 8 kB / 0.794 GB, free: 19.14 MB / 490.8 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001659/1.172, allocations: 0.5733 MB / 0.7946 GB, free: 18.56 MB / 490.8 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.008459/1.181, allocations: 4.834 MB / 0.7993 GB, free: 13.72 MB / 490.8 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005756/1.181, allocations: 75.98 kB / 0.7994 GB, free: 13.64 MB / 490.8 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1942/1.376, allocations: 26.52 MB / 0.8253 GB, free: 147.9 MB / 490.8 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.661e-06/1.376, allocations: 13.94 kB / 0.8253 GB, free: 147.9 MB / 490.8 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01772/1.393, allocations: 17.77 MB / 0.8426 GB, free: 138.8 MB / 490.8 MB Notification: Performance of postOpt removeConstants (simulation): time 0.001975/1.395, allocations: 0.8288 MB / 0.8434 GB, free: 138.5 MB / 490.8 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005863/1.396, allocations: 82.59 kB / 0.8435 GB, free: 138.4 MB / 490.8 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002024/1.398, allocations: 375.2 kB / 0.8439 GB, free: 138.2 MB / 490.8 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006463/1.399, allocations: 312.1 kB / 0.8442 GB, free: 138 MB / 490.8 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001954/1.399, allocations: 115.5 kB / 0.8443 GB, free: 137.9 MB / 490.8 MB Notification: Performance of sorting global known variables: time 0.005302/1.404, allocations: 5.717 MB / 0.8499 GB, free: 132.9 MB / 490.8 MB Notification: Performance of sort global known variables: time 8e-08/1.404, allocations: 0 / 0.8499 GB, free: 132.9 MB / 490.8 MB Notification: Performance of remove unused functions: time 0.007023/1.411, allocations: 2.525 MB / 0.8523 GB, free: 130.4 MB / 490.8 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 34 * Number of states: 2 (inertia.phi,inertia.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 (287): * Single equations (assignments): 283 * 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 {(3,113,77.8%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.01691/1.428, allocations: 18.56 MB / 0.8704 GB, free: 112.1 MB / 490.8 MB Notification: Performance of simCode: created initialization part: time 0.01/1.438, allocations: 10.74 MB / 0.8809 GB, free: 101.5 MB / 490.8 MB Notification: Performance of simCode: created event and clocks part: time 8.506e-06/1.438, allocations: 4 kB / 0.8809 GB, free: 101.5 MB / 490.8 MB Notification: Performance of simCode: created simulation system equations: time 0.003617/1.442, allocations: 4.382 MB / 0.8852 GB, free: 97.12 MB / 490.8 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004421/1.446, allocations: 1.177 MB / 0.8864 GB, free: 95.98 MB / 490.8 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.2599/1.706, allocations: 103.5 MB / 0.9875 GB, free: 159.4 MB / 0.4949 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004467/1.71, allocations: 5.927 MB / 0.9933 GB, free: 158.9 MB / 0.4949 GB Notification: Performance of simCode: alias equations: time 0.004282/1.715, allocations: 2.963 MB / 0.9962 GB, free: 158.9 MB / 0.4949 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00312/1.718, allocations: 4.394 MB / 1 GB, free: 158.8 MB / 0.4949 GB Notification: Performance of SimCode: time 2.264e-06/1.718, allocations: 0 / 1 GB, free: 158.8 MB / 0.4949 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.2996/2.017, allocations: 188.3 MB / 1.184 GB, free: 155.3 MB / 0.4949 GB Notification: Performance of buildModelFMU: Generate platform static: time 14.69/16.71, allocations: 20.94 kB / 1.184 GB, free: 155.3 MB / 0.4949 GB " [Timeout remaining time 643] (rm -f Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b_analytic.pipe ; mkfifo Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b_analytic.pipe ; head -c 1048576 < Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b_analytic.pipe >> ../files/Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b_analytic.sim & python3 -m fmpy simulate --output-file Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b_analytic_res.csv --start-time 0 --stop-time 0.5 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 9.94431e-05 Modelica_trunk_Modelica_Mechanics_MultiBody_Examples_Loops_Engine1b_analytic.fmu > Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b_analytic.pipe 2>&1) [Timeout 52.5] diffSimulationResults("Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b_analytic_res.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/Modelica/Mechanics/MultiBody/Examples/Loops/Engine1b_analytic/Engine1b_analytic.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b_analytic.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: 18.661479371599853]