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 0.002057/0.002057, allocations: 113.1 kB / 20.43 MB, free: 1.457 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 0.002212/0.002212, allocations: 217.2 kB / 23.75 MB, free: 4.668 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 1.456/1.456, allocations: 230.6 MB / 257.5 MB, free: 7.996 MB / 206.1 MB " [Timeout remaining time 178] 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 0.2149/0.2149, allocations: 44.91 MB / 358.8 MB, free: 6.285 MB / 286.1 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: ModelicaTest requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.002381/0.002381, allocations: 67.91 kB / 0.4931 GB, free: 10.73 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3231/0.3255, allocations: 65.46 MB / 0.557 GB, free: 7.543 MB / 398.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.FourbarVariants.JointUSP): time 0.01856/0.3441, allocations: 16.09 MB / 0.5727 GB, free: 7.617 MB / 414.1 MB Notification: Performance of NFInst.instExpressions: time 0.01184/0.3559, allocations: 5.503 MB / 0.5781 GB, free: 2.094 MB / 414.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002959/0.3589, allocations: 131.4 kB / 0.5782 GB, free: 1.965 MB / 414.1 MB Notification: Performance of NFTyping.typeComponents: time 0.01026/0.3691, allocations: 5.198 MB / 0.5833 GB, free: 12.75 MB / 430.1 MB Notification: Performance of NFTyping.typeBindings: time 0.01009/0.3792, allocations: 2.677 MB / 0.5859 GB, free: 10.06 MB / 430.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.00356/0.3828, allocations: 1.384 MB / 0.5873 GB, free: 8.676 MB / 430.1 MB Notification: Performance of NFFlatten.flatten: time 0.01303/0.3958, allocations: 8.27 MB / 0.5953 GB, free: 400 kB / 430.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.007745/0.4036, allocations: 5.197 MB / 0.6004 GB, free: 11.1 MB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.006178/0.4097, allocations: 2.82 MB / 0.6032 GB, free: 8.273 MB / 446.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.007436/0.4172, allocations: 4.023 MB / 0.6071 GB, free: 4.238 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 0.002173/0.4194, allocations: 0.6367 MB / 0.6077 GB, free: 3.602 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.004479/0.4238, allocations: 1.822 MB / 0.6095 GB, free: 1.777 MB / 446.1 MB Notification: Performance of NFScalarize.scalarize: time 0.00501/0.4288, allocations: 3.448 MB / 0.6129 GB, free: 14.32 MB / 462.1 MB Notification: Performance of NFVerifyModel.verify: time 0.00686/0.4357, allocations: 3.784 MB / 0.6166 GB, free: 10.52 MB / 462.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01741/0.4531, allocations: 12.19 MB / 0.6285 GB, free: 14.28 MB / 478.1 MB Notification: Performance of FrontEnd - DAE generated: time 6.132e-06/0.4531, allocations: 0 / 0.6285 GB, free: 14.28 MB / 478.1 MB Notification: Performance of FrontEnd: time 1.603e-06/0.4531, allocations: 0 / 0.6285 GB, free: 14.28 MB / 478.1 MB Notification: Performance of Transformations before backend: time 0.0004078/0.4535, allocations: 3.938 kB / 0.6285 GB, free: 14.27 MB / 478.1 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 0.02207/0.4756, allocations: 8.294 MB / 0.6366 GB, free: 5.906 MB / 478.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.955e-05/0.4757, allocations: 8.031 kB / 0.6366 GB, free: 5.898 MB / 478.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.003073/0.4787, allocations: 1.156 MB / 0.6377 GB, free: 4.73 MB / 478.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.05556/0.5343, allocations: 8.398 MB / 0.6459 GB, free: 12.32 MB / 494.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01475/0.549, allocations: 5.796 MB / 0.6516 GB, free: 6.434 MB / 494.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004053/0.5494, allocations: 386 kB / 0.6519 GB, free: 6.055 MB / 494.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002111/0.5516, allocations: 0.5075 MB / 0.6524 GB, free: 5.547 MB / 494.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03251/0.5841, allocations: 15.43 MB / 0.6675 GB, free: 5.223 MB / 0.4981 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.000205/0.5843, allocations: 63.48 kB / 0.6676 GB, free: 5.16 MB / 0.4981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006662/0.5849, allocations: 235.8 kB / 0.6678 GB, free: 4.93 MB / 0.4981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.004074/0.589, allocations: 2.548 MB / 0.6703 GB, free: 2.375 MB / 0.4981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02889/0.6179, allocations: 12.88 MB / 0.6829 GB, free: 5.469 MB / 0.5137 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.3389/0.9568, allocations: 56.83 MB / 0.7384 GB, free: 121.4 MB / 0.5606 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01477/0.9716, allocations: 5.648 MB / 0.7439 GB, free: 121.2 MB / 0.5606 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.003311/0.9749, allocations: 3.12 MB / 0.7469 GB, free: 121.2 MB / 0.5606 GB Notification: Performance of preOpt evalFunc (simulation): time 0.01412/0.989, allocations: 9.727 MB / 0.7564 GB, free: 118.1 MB / 0.5606 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.816e-05/0.989, allocations: 63.03 kB / 0.7565 GB, free: 118.1 MB / 0.5606 GB Notification: Performance of pre-optimization done (n=245): time 7.023e-06/0.9891, allocations: 3 kB / 0.7565 GB, free: 118.1 MB / 0.5606 GB Notification: Performance of matching and sorting (n=338): time 0.1161/1.105, allocations: 39.45 MB / 0.795 GB, free: 84 MB / 0.5606 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.416e-05/1.105, allocations: 243.1 kB / 0.7952 GB, free: 83.71 MB / 0.5606 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.006915/1.112, allocations: 5.743 MB / 0.8008 GB, free: 78.09 MB / 0.5606 GB Notification: Performance of collectPreVariables (initialization): time 0.0007645/1.113, allocations: 77.7 kB / 0.8009 GB, free: 78 MB / 0.5606 GB Notification: Performance of collectInitialEqns (initialization): time 0.001881/1.115, allocations: 4.61 MB / 0.8054 GB, free: 73.73 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.001055/1.116, allocations: 1.296 MB / 0.8067 GB, free: 72.45 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001813/1.118, allocations: 1.639 MB / 0.8083 GB, free: 70.8 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 4.615e-05/1.118, allocations: 305.1 kB / 0.8086 GB, free: 70.5 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004131/1.122, allocations: 3.776 MB / 0.8123 GB, free: 66.72 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006163/1.128, allocations: 8.302 MB / 0.8204 GB, free: 56.25 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01168/1.14, allocations: 13.01 MB / 0.8331 GB, free: 41.2 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001146/1.14, allocations: 48 kB / 0.8331 GB, free: 41.16 MB / 0.5606 GB Notification: Performance of matching and sorting (n=1067) (initialization): time 0.02599/1.166, allocations: 15.44 MB / 0.8482 GB, free: 25.67 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 7.972e-05/1.166, allocations: 72 kB / 0.8483 GB, free: 25.6 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001262/1.166, allocations: 160.6 kB / 0.8484 GB, free: 25.44 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0115/1.177, allocations: 4.096 MB / 0.8524 GB, free: 21.34 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005598/1.183, allocations: 1.801 MB / 0.8542 GB, free: 19.53 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02845/1.212, allocations: 20.83 MB / 0.8745 GB, free: 14.59 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006545/1.218, allocations: 499.4 kB / 0.875 GB, free: 14.1 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001539/1.22, allocations: 471.9 kB / 0.8755 GB, free: 13.64 MB / 0.5762 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 0.007018/1.227, allocations: 3.115 MB / 0.8785 GB, free: 10.51 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001691/1.228, allocations: 0.5549 MB / 0.879 GB, free: 9.953 MB / 0.5762 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02272/1.251, allocations: 9.564 MB / 0.8884 GB, free: 332 kB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.828e-05/1.251, allocations: 35.94 kB / 0.8884 GB, free: 296 kB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.065e-05/1.251, allocations: 19.98 kB / 0.8884 GB, free: 276 kB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.515e-05/1.251, allocations: 19.94 kB / 0.8885 GB, free: 256 kB / 0.5762 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0421/1.293, allocations: 19.54 MB / 0.9075 GB, free: 12.56 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.213e-05/1.293, allocations: 4 kB / 0.9075 GB, free: 12.55 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002432/1.296, allocations: 496 kB / 0.908 GB, free: 12.07 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01268/1.308, allocations: 3.659 MB / 0.9116 GB, free: 8.406 MB / 0.6075 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005724/1.309, allocations: 60 kB / 0.9116 GB, free: 8.348 MB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0305/1.34, allocations: 18.35 MB / 0.9296 GB, free: 5.879 MB / 0.6231 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.397e-05/1.34, allocations: 15.45 kB / 0.9296 GB, free: 5.867 MB / 0.6231 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02984/1.369, allocations: 14.2 MB / 0.9434 GB, free: 7.477 MB / 0.6387 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001658/1.371, allocations: 0.5196 MB / 0.944 GB, free: 6.953 MB / 0.6387 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001729/1.373, allocations: 63.98 kB / 0.944 GB, free: 6.891 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003553/1.376, allocations: 227.8 kB / 0.9442 GB, free: 6.668 MB / 0.6387 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009706/1.377, allocations: 226.2 kB / 0.9444 GB, free: 6.445 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003097/1.378, allocations: 91.98 kB / 0.9445 GB, free: 6.355 MB / 0.6387 GB Notification: Performance of sorting global known variables: time 0.006797/1.384, allocations: 3.646 MB / 0.9481 GB, free: 2.738 MB / 0.6387 GB Notification: Performance of sort global known variables: time 2.91e-07/1.384, allocations: 0 / 0.9481 GB, free: 2.738 MB / 0.6387 GB Notification: Performance of remove unused functions: time 0.008024/1.392, allocations: 1.683 MB / 0.9497 GB, free: 1.055 MB / 0.6387 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 0.03191/1.424, allocations: 14.94 MB / 0.9643 GB, free: 1.914 MB / 0.6544 GB Notification: Performance of simCode: created initialization part: time 0.01803/1.442, allocations: 8.822 MB / 0.9729 GB, free: 9.082 MB / 0.67 GB Notification: Performance of simCode: created event and clocks part: time 1.392e-05/1.442, allocations: 0 / 0.9729 GB, free: 9.082 MB / 0.67 GB Notification: Performance of simCode: created simulation system equations: time 0.006205/1.449, allocations: 3.328 MB / 0.9762 GB, free: 5.742 MB / 0.67 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004868/1.453, allocations: 0.7686 MB / 0.9769 GB, free: 4.98 MB / 0.67 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.4168/1.87, allocations: 78.65 MB / 1.054 GB, free: 218.9 MB / 0.6856 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004464/1.875, allocations: 4.822 MB / 1.058 GB, free: 214 MB / 0.6856 GB Notification: Performance of simCode: alias equations: time 0.005118/1.88, allocations: 2.596 MB / 1.061 GB, free: 211.4 MB / 0.6856 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.003526/1.883, allocations: 3.065 MB / 1.064 GB, free: 208.4 MB / 0.6856 GB Notification: Performance of SimCode: time 1.713e-06/1.883, allocations: 0 / 1.064 GB, free: 208.4 MB / 0.6856 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.189/2.072, allocations: 132.4 MB / 1.193 GB, free: 76.68 MB / 0.6856 GB Notification: Performance of buildModelFMU: Generate platform static: time 41.36/43.43, allocations: 7.094 kB / 1.193 GB, free: 76.67 MB / 0.6856 GB " [Timeout remaining time 616] (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/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/ModelicaTest/MultiBody/FourbarVariants/JointUSP/JointUSP.csv","/var/lib/jenkins1/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: 47.76399338594638]