Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.FrameForces.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 0.001686/0.001686, allocations: 111.1 kB / 20.44 MB, free: 1.184 MB / 14.72 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 0.002135/0.002135, allocations: 208.4 kB / 23.73 MB, free: 4.387 MB / 14.72 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 1.442/1.442, allocations: 230.6 MB / 257.5 MB, free: 7.785 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.1.0+maint.om/package.mo): time 0.2239/0.2239, allocations: 46.96 MB / 360.9 MB, free: 4.125 MB / 286.1 MB " [Timeout remaining time 180] Using package ModelicaTest with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.1.0+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.Forces.FrameForces,fileNamePrefix="ModelicaTest_4_1_0_ModelicaTest_MultiBody_Forces_FrameForces",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.MultiBody.Forces.FrameForces,fileNamePrefix="ModelicaTest_4_1_0_ModelicaTest_MultiBody_Forces_FrameForces",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 0.002317/0.002317, allocations: 71.91 kB / 0.4961 GB, free: 7.711 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3218/0.3242, allocations: 66.03 MB / 0.5606 GB, free: 4.211 MB / 398.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.Forces.FrameForces): time 0.01413/0.3383, allocations: 11.08 MB / 0.5714 GB, free: 9.074 MB / 414.1 MB Notification: Performance of NFInst.instExpressions: time 0.009942/0.3482, allocations: 4.291 MB / 0.5756 GB, free: 4.77 MB / 414.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002682/0.3509, allocations: 99.5 kB / 0.5757 GB, free: 4.672 MB / 414.1 MB Notification: Performance of NFTyping.typeComponents: time 0.007355/0.3583, allocations: 3.61 MB / 0.5792 GB, free: 1.051 MB / 414.1 MB Notification: Performance of NFTyping.typeBindings: time 0.006516/0.3648, allocations: 2.245 MB / 0.5814 GB, free: 14.8 MB / 430.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.002592/0.3674, allocations: 1.006 MB / 0.5824 GB, free: 13.79 MB / 430.1 MB Notification: Performance of NFFlatten.flatten: time 0.008847/0.3762, allocations: 6.053 MB / 0.5883 GB, free: 7.727 MB / 430.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.005021/0.3812, allocations: 3.475 MB / 0.5917 GB, free: 4.18 MB / 430.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003696/0.3849, allocations: 1.99 MB / 0.5937 GB, free: 2.184 MB / 430.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.004511/0.3894, allocations: 2.655 MB / 0.5962 GB, free: 15.52 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 0.001104/0.3906, allocations: 408 kB / 0.5966 GB, free: 15.12 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.003217/0.3938, allocations: 1.334 MB / 0.5979 GB, free: 13.79 MB / 446.1 MB Notification: Performance of NFScalarize.scalarize: time 0.00283/0.3966, allocations: 2.505 MB / 0.6004 GB, free: 11.27 MB / 446.1 MB Notification: Performance of NFVerifyModel.verify: time 0.003238/0.3998, allocations: 2.07 MB / 0.6024 GB, free: 9.191 MB / 446.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01099/0.4108, allocations: 8.813 MB / 0.611 GB, free: 352 kB / 446.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.911e-06/0.4108, allocations: 3.938 kB / 0.611 GB, free: 348 kB / 446.1 MB Notification: Performance of FrontEnd: time 1.834e-06/0.4108, allocations: 0 / 0.611 GB, free: 348 kB / 446.1 MB Notification: Performance of Transformations before backend: time 0.0002698/0.4111, allocations: 4 kB / 0.611 GB, free: 344 kB / 446.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1726 * Number of variables: 1726 Notification: Performance of Generate backend data structure: time 0.01521/0.4263, allocations: 6.26 MB / 0.6171 GB, free: 10 MB / 462.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.906e-05/0.4264, allocations: 8.031 kB / 0.6171 GB, free: 9.996 MB / 462.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001651/0.428, allocations: 0.8188 MB / 0.6179 GB, free: 9.168 MB / 462.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.05481/0.4828, allocations: 6.055 MB / 0.6239 GB, free: 3.102 MB / 462.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01505/0.4979, allocations: 4.09 MB / 0.6278 GB, free: 14.95 MB / 478.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003075/0.4982, allocations: 279.3 kB / 0.6281 GB, free: 14.67 MB / 478.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001542/0.4997, allocations: 379.8 kB / 0.6285 GB, free: 14.3 MB / 478.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02176/0.5215, allocations: 11.52 MB / 0.6397 GB, free: 1.918 MB / 478.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001502/0.5216, allocations: 59.53 kB / 0.6398 GB, free: 1.859 MB / 478.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004356/0.5221, allocations: 183.8 kB / 0.64 GB, free: 1.68 MB / 478.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.003742/0.5258, allocations: 2.147 MB / 0.642 GB, free: 15.53 MB / 494.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01848/0.5443, allocations: 9.332 MB / 0.6512 GB, free: 6.184 MB / 494.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05805/0.6023, allocations: 43.5 MB / 0.6936 GB, free: 9.406 MB / 0.5294 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009957/0.6123, allocations: 3.208 MB / 0.6968 GB, free: 6.164 MB / 0.5294 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.002866/0.6152, allocations: 1.876 MB / 0.6986 GB, free: 4.277 MB / 0.5294 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0114/0.6266, allocations: 5.507 MB / 0.704 GB, free: 14.73 MB / 0.545 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.742e-05/0.6266, allocations: 47.56 kB / 0.704 GB, free: 14.68 MB / 0.545 GB Notification: Performance of pre-optimization done (n=154): time 5.701e-06/0.6266, allocations: 0 / 0.704 GB, free: 14.68 MB / 0.545 GB Notification: Performance of matching and sorting (n=166): time 0.04073/0.6674, allocations: 14.84 MB / 0.7185 GB, free: 15.8 MB / 0.5606 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001368/0.6675, allocations: 204.8 kB / 0.7187 GB, free: 15.55 MB / 0.5606 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.009426/0.6769, allocations: 5.875 MB / 0.7245 GB, free: 9.699 MB / 0.5606 GB Notification: Performance of collectPreVariables (initialization): time 0.000577/0.6775, allocations: 53.7 kB / 0.7245 GB, free: 9.641 MB / 0.5606 GB Notification: Performance of collectInitialEqns (initialization): time 0.003904/0.6814, allocations: 3.881 MB / 0.7283 GB, free: 5.723 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.001011/0.6824, allocations: 0.6863 MB / 0.729 GB, free: 5.031 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001957/0.6844, allocations: 1.349 MB / 0.7303 GB, free: 3.672 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 0.0001585/0.6845, allocations: 301.1 kB / 0.7306 GB, free: 3.375 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003148/0.6877, allocations: 2.105 MB / 0.7326 GB, free: 1.266 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.2743/0.9619, allocations: 6.385 MB / 0.7389 GB, free: 149.1 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.008002/0.9699, allocations: 9.188 MB / 0.7478 GB, free: 141.6 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001854/0.9701, allocations: 49.58 kB / 0.7479 GB, free: 141.6 MB / 0.5606 GB Notification: Performance of matching and sorting (n=864) (initialization): time 0.01324/0.9833, allocations: 8.647 MB / 0.7563 GB, free: 138.6 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001144/0.9835, allocations: 69.44 kB / 0.7564 GB, free: 138.6 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0002006/0.9837, allocations: 151 kB / 0.7565 GB, free: 138.6 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001528/0.9852, allocations: 0.7084 MB / 0.7572 GB, free: 138 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004065/0.9893, allocations: 1.51 MB / 0.7587 GB, free: 136.7 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005817/0.9951, allocations: 6.564 MB / 0.7651 GB, free: 130.6 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005528/1.001, allocations: 350.2 kB / 0.7654 GB, free: 130.3 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001109/1.002, allocations: 416.7 kB / 0.7658 GB, free: 129.9 MB / 0.5606 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 686 * Number of states: 0 () * Number of discrete variables: 49 (frameForce2.arrow.twoHeadedArrow,frameForce2.arrow.headAtOrigin,frameForce1.arrow.twoHeadedArrow,frameForce1.arrow.headAtOrigin,FixedRotation1.color[3],FixedRotation1.color[2],FixedRotation1.color[1],frameForce2.color[3],frameForce2.color[2],frameForce2.color[1],fixed2.color[3],fixed2.color[2],fixed2.color[1],BodyCylinder2.color[3],BodyCylinder2.color[2],BodyCylinder2.color[1],BodyCylinder2.body.sphereColor[3],BodyCylinder2.body.sphereColor[2],BodyCylinder2.body.sphereColor[1],Revolute2.cylinderColor[3],Revolute2.cylinderColor[2],Revolute2.cylinderColor[1],frameForce1.color[3],frameForce1.color[2],frameForce1.color[1],fixed1.color[3],fixed1.color[2],fixed1.color[1],BodyCylinder1.color[3],BodyCylinder1.color[2],BodyCylinder1.color[1],BodyCylinder1.body.sphereColor[3],BodyCylinder1.body.sphereColor[2],BodyCylinder1.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 (804): * Single equations (assignments): 797 * 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 {(1,13,100.0%), (1,13,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.003641/1.005, allocations: 2.455 MB / 0.7682 GB, free: 127.8 MB / 0.5606 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008393/1.006, allocations: 481.1 kB / 0.7687 GB, free: 127.6 MB / 0.5606 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003747/1.01, allocations: 2.687 MB / 0.7713 GB, free: 125.4 MB / 0.5606 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.022e-05/1.01, allocations: 20 kB / 0.7713 GB, free: 125.4 MB / 0.5606 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.009e-05/1.01, allocations: 4 kB / 0.7713 GB, free: 125.4 MB / 0.5606 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.32e-05/1.01, allocations: 6.703 kB / 0.7714 GB, free: 125.4 MB / 0.5606 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01165/1.022, allocations: 7.055 MB / 0.7782 GB, free: 118.5 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.187e-05/1.022, allocations: 4.281 kB / 0.7782 GB, free: 118.5 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001264/1.023, allocations: 303.5 kB / 0.7785 GB, free: 118.2 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.001157/1.024, allocations: 494.9 kB / 0.779 GB, free: 117.7 MB / 0.5606 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001145/1.024, allocations: 28 kB / 0.779 GB, free: 117.7 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004891/1.029, allocations: 5.949 MB / 0.7848 GB, free: 111.6 MB / 0.5606 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.566e-06/1.029, allocations: 4 kB / 0.7848 GB, free: 111.6 MB / 0.5606 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005496/1.035, allocations: 4.987 MB / 0.7897 GB, free: 106.8 MB / 0.5606 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001317/1.036, allocations: 483.1 kB / 0.7902 GB, free: 106.3 MB / 0.5606 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004973/1.036, allocations: 24 kB / 0.7902 GB, free: 106.3 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001386/1.038, allocations: 71.92 kB / 0.7903 GB, free: 106.2 MB / 0.5606 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002123/1.038, allocations: 112.7 kB / 0.7904 GB, free: 106.1 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.103e-05/1.038, allocations: 40 kB / 0.7904 GB, free: 106.1 MB / 0.5606 GB Notification: Performance of sorting global known variables: time 0.004403/1.042, allocations: 3.601 MB / 0.7939 GB, free: 102.5 MB / 0.5606 GB Notification: Performance of sort global known variables: time 2.91e-07/1.042, allocations: 0 / 0.7939 GB, free: 102.5 MB / 0.5606 GB Notification: Performance of remove unused functions: time 0.005801/1.048, allocations: 1.094 MB / 0.795 GB, free: 101.4 MB / 0.5606 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 13 * Number of states: 4 (Revolute1.phi,Revolute1.w,Revolute2.phi,Revolute2.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 (126): * Single equations (assignments): 121 * 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 {(1,10,100.0%), (1,10,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.005835/1.054, allocations: 5.619 MB / 0.8005 GB, free: 95.75 MB / 0.5606 GB Notification: Performance of simCode: created initialization part: time 0.006966/1.061, allocations: 4.998 MB / 0.8054 GB, free: 90.77 MB / 0.5606 GB Notification: Performance of simCode: created event and clocks part: time 8.165e-06/1.061, allocations: 0 / 0.8054 GB, free: 90.77 MB / 0.5606 GB Notification: Performance of simCode: created simulation system equations: time 0.001515/1.063, allocations: 1.404 MB / 0.8067 GB, free: 89.34 MB / 0.5606 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003274/1.066, allocations: 0.6299 MB / 0.8074 GB, free: 88.72 MB / 0.5606 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0656/1.131, allocations: 54.09 MB / 0.8602 GB, free: 27.93 MB / 0.5606 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003292/1.135, allocations: 3.244 MB / 0.8633 GB, free: 24.65 MB / 0.5606 GB Notification: Performance of simCode: alias equations: time 0.00406/1.139, allocations: 2.125 MB / 0.8654 GB, free: 22.52 MB / 0.5606 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002755/1.142, allocations: 2.315 MB / 0.8677 GB, free: 20.2 MB / 0.5606 GB Notification: Performance of SimCode: time 1.854e-06/1.142, allocations: 4 kB / 0.8677 GB, free: 20.2 MB / 0.5606 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.2511/1.393, allocations: 86.1 MB / 0.9518 GB, free: 15.01 MB / 0.6387 GB Notification: Performance of buildModelFMU: Generate platform static: time 18.32/19.72, allocations: 3.938 kB / 0.9518 GB, free: 15.01 MB / 0.6387 GB " [Timeout remaining time 640] (rm -f ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.FrameForces.pipe ; mkfifo ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.FrameForces.pipe ; head -c 1048576 < ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.FrameForces.pipe >> ../files/ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.FrameForces.sim & python3 -m fmpy simulate --output-file ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.FrameForces_res.csv --start-time 0 --stop-time 1.1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.000219912 ModelicaTest_4_1_0_ModelicaTest_MultiBody_Forces_FrameForces.fmu > ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.FrameForces.pipe 2>&1) [Timeout 52.5] diffSimulationResults("ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.FrameForces_res.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/ModelicaTest/MultiBody/Forces/FrameForces/FrameForces.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.FrameForces.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: 22.84762928960845]