Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Constraints.UniversalConstraint.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 0.0009647/0.0009647, allocations: 84.73 kB / 21.5 MB, free: 2.988 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 0.001541/0.001541, allocations: 160.2 kB / 24.91 MB, free: 8.758 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 0.9085/0.9085, allocations: 177 MB / 205.2 MB, free: 5.418 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: translateModel(Modelica.Mechanics.MultiBody.Examples.Constraints.UniversalConstraint,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5028,variableFilter="time|bodyOfConstraint.body.w_a.[0-9,]+.|joint.phi_a|joint.phi_b|joint.w_a|joint.w_b",fileNamePrefix="Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Constraints.UniversalConstraint") translateModel(Modelica.Mechanics.MultiBody.Examples.Constraints.UniversalConstraint,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5028,variableFilter="time|bodyOfConstraint.body.w_a.[0-9,]+.|joint.phi_a|joint.phi_b|joint.w_a|joint.w_b",fileNamePrefix="Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Constraints.UniversalConstraint") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.182e-06/1.182e-06, allocations: 0 / 273.4 MB, free: 1.203 MB / 250.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.86e-05/1.978e-05, allocations: 2.312 kB / 273.4 MB, free: 1.199 MB / 250.7 MB Notification: Performance of NFInst.instantiate(Modelica.Mechanics.MultiBody.Examples.Constraints.UniversalConstraint): time 0.1092/0.1092, allocations: 18.97 MB / 292.3 MB, free: 14.44 MB / 266.7 MB Notification: Performance of NFInst.instExpressions: time 0.01103/0.1202, allocations: 6.675 MB / 299 MB, free: 13.47 MB / 266.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001957/0.1222, allocations: 194.4 kB / 299.2 MB, free: 13.4 MB / 266.7 MB Notification: Performance of NFTyping.typeComponents: time 0.006354/0.1285, allocations: 7.554 MB / 306.8 MB, free: 10.9 MB / 266.7 MB Notification: Performance of NFTyping.typeBindings: time 0.004098/0.1326, allocations: 2.905 MB / 309.7 MB, free: 9.102 MB / 266.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.003079/0.1357, allocations: 2.748 MB / 312.4 MB, free: 7.523 MB / 266.7 MB Notification: Performance of NFFlatten.flatten: time 0.005975/0.1417, allocations: 7.857 MB / 320.3 MB, free: 2.035 MB / 266.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.006851/0.1485, allocations: 7.401 MB / 327.7 MB, free: 10.55 MB / 282.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.005739/0.1543, allocations: 4.838 MB / 332.5 MB, free: 5.707 MB / 282.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.004272/0.1585, allocations: 4.01 MB / 336.5 MB, free: 1.688 MB / 282.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0009301/0.1595, allocations: 0.7266 MB / 337.3 MB, free: 0.9609 MB / 282.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.002642/0.1621, allocations: 1.9 MB / 339.2 MB, free: 15.06 MB / 298.7 MB Notification: Performance of NFScalarize.scalarize: time 0.002832/0.1649, allocations: 3.986 MB / 343.1 MB, free: 11.06 MB / 298.7 MB Notification: Performance of NFVerifyModel.verify: time 0.002505/0.1674, allocations: 2.548 MB / 345.7 MB, free: 8.508 MB / 298.7 MB Notification: Performance of NFConvertDAE.convert: time 0.007587/0.175, allocations: 8.292 MB / 354 MB, free: 188 kB / 298.7 MB Notification: Performance of FrontEnd - DAE generated: time 4.469e-06/0.175, allocations: 0 / 354 MB, free: 188 kB / 298.7 MB Notification: Performance of FrontEnd: time 1.403e-06/0.175, allocations: 0 / 354 MB, free: 188 kB / 298.7 MB Notification: Performance of Transformations before backend: time 0.0001353/0.1752, allocations: 0 / 354 MB, free: 188 kB / 298.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2598 * Number of variables: 2598 Notification: Performance of Generate backend data structure: time 0.0119/0.1871, allocations: 8.622 MB / 362.6 MB, free: 7.477 MB / 314.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.066e-05/0.1871, allocations: 8.031 kB / 362.6 MB, free: 7.469 MB / 314.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002999/0.1901, allocations: 1.616 MB / 364.2 MB, free: 5.852 MB / 314.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003809/0.1939, allocations: 3.588 MB / 367.8 MB, free: 2.16 MB / 314.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002183/0.1941, allocations: 480.9 kB / 368.3 MB, free: 1.688 MB / 314.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007138/0.1948, allocations: 0.641 MB / 368.9 MB, free: 1.047 MB / 314.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.009395/0.2042, allocations: 8.881 MB / 377.8 MB, free: 7.156 MB / 330.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001346/0.2044, allocations: 63.45 kB / 377.9 MB, free: 7.094 MB / 330.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004691/0.2048, allocations: 299.7 kB / 378.2 MB, free: 6.805 MB / 330.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.002087/0.2069, allocations: 2.562 MB / 380.7 MB, free: 4.242 MB / 330.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.007694/0.2146, allocations: 4.628 MB / 385.3 MB, free: 15.61 MB / 346.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.2519/0.4665, allocations: 50.03 MB / 435.4 MB, free: 79.38 MB / 378.8 MB Notification: Performance of preOpt comSubExp (simulation): time 0.01013/0.4766, allocations: 4.348 MB / 439.7 MB, free: 79.16 MB / 378.8 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.001372/0.478, allocations: 0.9405 MB / 440.7 MB, free: 79.12 MB / 378.8 MB Notification: Performance of preOpt evalFunc (simulation): time 0.01132/0.4893, allocations: 9.073 MB / 449.7 MB, free: 78.29 MB / 378.8 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.668e-05/0.4894, allocations: 64.28 kB / 449.8 MB, free: 78.24 MB / 378.8 MB Notification: Performance of pre-optimization done (n=284): time 4.689e-06/0.4894, allocations: 0 / 449.8 MB, free: 78.24 MB / 378.8 MB Notification: Performance of matching and sorting (n=327): time 0.03972/0.5291, allocations: 17.57 MB / 467.4 MB, free: 72.66 MB / 378.8 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.004721/0.5338, allocations: 7.533 MB / 474.9 MB, free: 65.07 MB / 378.8 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003869/0.5377, allocations: 4.797 MB / 479.7 MB, free: 61.43 MB / 378.8 MB Notification: Performance of collectPreVariables (initialization): time 0.0005875/0.5383, allocations: 77.38 kB / 479.8 MB, free: 61.35 MB / 378.8 MB Notification: Performance of collectInitialEqns (initialization): time 0.001356/0.5396, allocations: 4.882 MB / 484.7 MB, free: 56.87 MB / 378.8 MB Notification: Performance of collectInitialBindings (initialization): time 0.001069/0.5407, allocations: 1.284 MB / 485.9 MB, free: 55.66 MB / 378.8 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001338/0.542, allocations: 1.796 MB / 487.7 MB, free: 54.06 MB / 378.8 MB Notification: Performance of setup shared object (initialization): time 2.405e-05/0.5421, allocations: 305.1 kB / 488 MB, free: 53.76 MB / 378.8 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001854/0.5439, allocations: 1.348 MB / 489.4 MB, free: 52.41 MB / 378.8 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002808/0.5467, allocations: 6.617 MB / 496 MB, free: 43.46 MB / 378.8 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.005666/0.5524, allocations: 9.07 MB / 0.4932 GB, free: 32.43 MB / 378.8 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.021e-05/0.5525, allocations: 56 kB / 0.4933 GB, free: 32.38 MB / 378.8 MB Notification: Performance of matching and sorting (n=1236) (initialization): time 0.01127/0.5637, allocations: 7.812 MB / 0.5009 GB, free: 24.5 MB / 378.8 MB Notification: Performance of prepare postOptimizeDAE: time 8.077e-05/0.5638, allocations: 91.98 kB / 0.501 GB, free: 24.41 MB / 378.8 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001222/0.5639, allocations: 192 kB / 0.5012 GB, free: 24.22 MB / 378.8 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.005071/0.569, allocations: 1.552 MB / 0.5027 GB, free: 22.64 MB / 378.8 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00486/0.5739, allocations: 2.055 MB / 0.5047 GB, free: 20.58 MB / 378.8 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01143/0.5853, allocations: 12.71 MB / 0.5171 GB, free: 7.207 MB / 378.8 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005841/0.5911, allocations: 399.6 kB / 0.5175 GB, free: 6.816 MB / 378.8 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008604/0.592, allocations: 499.9 kB / 0.518 GB, free: 6.328 MB / 378.8 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 877 * Number of states: 0 () * Number of discrete variables: 68 (sensorConstraintRelative.arrow.twoHeadedArrow,sensorConstraintRelative.arrow.headAtOrigin,freeMotionScalarInit.arrowColor[3],freeMotionScalarInit.arrowColor[2],freeMotionScalarInit.arrowColor[1],fixedTranslationOfConstraint.color[3],fixedTranslationOfConstraint.color[2],fixedTranslationOfConstraint.color[1],fixedTranslationOfJoint.color[3],fixedTranslationOfJoint.color[2],fixedTranslationOfJoint.color[1],fixedTranslation.color[3],fixedTranslation.color[2],fixedTranslation.color[1],fixedRotation.color[3],fixedRotation.color[2],fixedRotation.color[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],springOfConstraint.color[3],springOfConstraint.color[2],springOfConstraint.color[1],springOfConstraint.massColor[3],springOfConstraint.massColor[2],springOfConstraint.massColor[1],springOfJoint.color[3],springOfJoint.color[2],springOfJoint.color[1],springOfJoint.massColor[3],springOfJoint.massColor[2],springOfJoint.massColor[1],bodyOfConstraint.color[3],bodyOfConstraint.color[2],bodyOfConstraint.color[1],bodyOfConstraint.body.sphereColor[3],bodyOfConstraint.body.sphereColor[2],bodyOfConstraint.body.sphereColor[1],bodyOfConstraint.frameTranslation.color[3],bodyOfConstraint.frameTranslation.color[2],bodyOfConstraint.frameTranslation.color[1],bodyOfJoint.color[3],bodyOfJoint.color[2],bodyOfJoint.color[1],bodyOfJoint.body.sphereColor[3],bodyOfJoint.body.sphereColor[2],bodyOfJoint.body.sphereColor[1],bodyOfJoint.frameTranslation.color[3],bodyOfJoint.frameTranslation.color[2],bodyOfJoint.frameTranslation.color[1],sensorConstraintRelative.arrowColor[3],sensorConstraintRelative.arrowColor[2],sensorConstraintRelative.arrowColor[1],constraint.sphereColor[3],constraint.sphereColor[2],constraint.sphereColor[1],joint.cylinderColor[3],joint.cylinderColor[2],joint.cylinderColor[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (1144): * Single equations (assignments): 1127 * Array equations: 10 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 7 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 6 systems {(3,20,100.0%), (1,7,100.0%), (2,9,100.0%), (2,1,100.0%), (2,1,100.0%), (2,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,7)} Notification: Performance of prepare postOptimizeDAE: time 0.00238/0.5944, allocations: 0.8903 MB / 0.5189 GB, free: 5.418 MB / 378.8 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009489/0.5953, allocations: 375.5 kB / 0.5192 GB, free: 5.051 MB / 378.8 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.006674/0.602, allocations: 3.32 MB / 0.5225 GB, free: 1.652 MB / 378.8 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.005523/0.6075, allocations: 2.296 MB / 0.5247 GB, free: 15.29 MB / 394.8 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.005825/0.6133, allocations: 2.3 MB / 0.5269 GB, free: 12.92 MB / 394.8 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.386e-05/0.6134, allocations: 19.94 kB / 0.527 GB, free: 12.9 MB / 394.8 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01995/0.6333, allocations: 10.58 MB / 0.5373 GB, free: 2.105 MB / 394.8 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.319e-05/0.6333, allocations: 4 kB / 0.5373 GB, free: 2.102 MB / 394.8 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001257/0.6346, allocations: 444 kB / 0.5377 GB, free: 1.668 MB / 394.8 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.003725/0.6383, allocations: 1.472 MB / 0.5392 GB, free: 184 kB / 394.8 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002107/0.6385, allocations: 63.98 kB / 0.5392 GB, free: 120 kB / 394.8 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.008615/0.6472, allocations: 8.586 MB / 0.5476 GB, free: 7.164 MB / 410.8 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.002908/0.6501, allocations: 3.866 MB / 0.5514 GB, free: 3.094 MB / 410.8 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.006688/0.6567, allocations: 4.212 MB / 0.5555 GB, free: 14.67 MB / 426.8 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0008526/0.6576, allocations: 0.4884 MB / 0.556 GB, free: 14.18 MB / 426.8 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004083/0.658, allocations: 67.92 kB / 0.556 GB, free: 14.11 MB / 426.8 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00173/0.6597, allocations: 55.98 kB / 0.5561 GB, free: 14.06 MB / 426.8 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006569/0.6604, allocations: 229.4 kB / 0.5563 GB, free: 13.83 MB / 426.8 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002634/0.6607, allocations: 75.97 kB / 0.5564 GB, free: 13.76 MB / 426.8 MB Notification: Performance of sorting global known variables: time 0.002052/0.6627, allocations: 1.816 MB / 0.5582 GB, free: 11.96 MB / 426.8 MB Notification: Performance of sort global known variables: time 2.61e-07/0.6627, allocations: 0 / 0.5582 GB, free: 11.96 MB / 426.8 MB Notification: Performance of remove unused functions: time 0.005977/0.6687, allocations: 2.011 MB / 0.5601 GB, free: 9.953 MB / 426.8 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 27 * Number of states: 8 ($STATESET2.x[2],$STATESET2.x[1],$STATESET1.x[2],$STATESET1.x[1],joint.phi_a,joint.phi_b,joint.w_a,joint.w_b) * 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 (249): * Single equations (assignments): 241 * Array equations: 4 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 3 systems {(2,9,100.0%), (3,17,100.0%), (3,8,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(3,12)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0007141/0.6694, allocations: 275.6 kB / 0.5604 GB, free: 9.676 MB / 426.8 MB Notification: Performance of simCode: created initialization part: time 0.007117/0.6765, allocations: 5.337 MB / 0.5656 GB, free: 4.262 MB / 426.8 MB Notification: Performance of simCode: created event and clocks part: time 0.0002799/0.6768, allocations: 124.2 kB / 0.5657 GB, free: 4.129 MB / 426.8 MB Notification: Performance of simCode: created simulation system equations: time 0.002236/0.679, allocations: 1.795 MB / 0.5675 GB, free: 2.281 MB / 426.8 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005391/0.6844, allocations: 1.208 MB / 0.5686 GB, free: 1.117 MB / 426.8 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02432/0.7088, allocations: 13.49 MB / 0.5818 GB, free: 3.41 MB / 442.8 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002803/0.7116, allocations: 2.194 MB / 0.584 GB, free: 1.188 MB / 442.8 MB Notification: Performance of simCode: alias equations: time 0.002692/0.7142, allocations: 0.8081 MB / 0.5848 GB, free: 384 kB / 442.8 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.1004/0.8146, allocations: 0.9074 MB / 0.5856 GB, free: 152.9 MB / 442.8 MB Notification: Performance of SimCode: time 1.483e-06/0.8147, allocations: 0 / 0.5856 GB, free: 152.9 MB / 442.8 MB Notification: Performance of Templates: time 0.08533/0.9, allocations: 75.84 MB / 0.6597 GB, free: 103.1 MB / 442.8 MB " [Timeout remaining time 659] make -j1 -f Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Constraints.UniversalConstraint.makefile [Timeout 660] (rm -f Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Constraints.UniversalConstraint.pipe ; mkfifo Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Constraints.UniversalConstraint.pipe ; head -c 1048576 < Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Constraints.UniversalConstraint.pipe >> ../files/Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Constraints.UniversalConstraint.sim & ./Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Constraints.UniversalConstraint -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Constraints.UniversalConstraint.pipe 2>&1) [Timeout 240] diffSimulationResults("Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Constraints.UniversalConstraint_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/Modelica/Mechanics/MultiBody/Examples/Constraints/UniversalConstraint/UniversalConstraint.csv","",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "" [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 4.909568706993014]