Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe1.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 0.001523/0.001523, allocations: 86.58 kB / 21.42 MB, free: 3.074 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 0.001331/0.001331, allocations: 162.7 kB / 24.82 MB, free: 8.773 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 0.9181/0.9181, allocations: 177 MB / 205.1 MB, free: 5.488 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.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe1,tolerance=1e-07,outputFormat="mat",numberOfIntervals=5004,variableFilter="time|tank1.level|tank1.medium.T|tank1.aboveLevel.[0-9,]+.",fileNamePrefix="Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe1") translateModel(Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe1,tolerance=1e-07,outputFormat="mat",numberOfIntervals=5004,variableFilter="time|tank1.level|tank1.medium.T|tank1.aboveLevel.[0-9,]+.",fileNamePrefix="Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe1") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.513e-06/1.513e-06, allocations: 0 / 273.3 MB, free: 1.246 MB / 250.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.182e-05/1.334e-05, allocations: 2.312 kB / 273.3 MB, free: 1.242 MB / 250.7 MB Notification: Performance of NFInst.instantiate(Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe1): time 0.006889/0.006902, allocations: 8.41 MB / 281.7 MB, free: 8.785 MB / 266.7 MB Notification: Performance of NFInst.instExpressions: time 0.006422/0.01332, allocations: 5.75 MB / 287.5 MB, free: 3.02 MB / 266.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0004688/0.01379, allocations: 35.69 kB / 287.5 MB, free: 2.984 MB / 266.7 MB Notification: Performance of NFTyping.typeComponents: time 0.0005427/0.01434, allocations: 234.3 kB / 287.7 MB, free: 2.754 MB / 266.7 MB Notification: Performance of NFTyping.typeBindings: time 0.001908/0.01624, allocations: 1.092 MB / 288.8 MB, free: 1.656 MB / 266.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.1106/0.1269, allocations: 1.889 MB / 290.7 MB, free: 16.13 MB / 266.7 MB Notification: Performance of NFFlatten.flatten: time 0.002314/0.1292, allocations: 2.162 MB / 292.9 MB, free: 15.85 MB / 266.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0006407/0.1298, allocations: 0.5244 MB / 293.4 MB, free: 15.8 MB / 266.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.001287/0.1311, allocations: 1.095 MB / 294.5 MB, free: 15.72 MB / 266.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.000765/0.1319, allocations: 0.7051 MB / 295.2 MB, free: 15.65 MB / 266.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0001187/0.132, allocations: 75.03 kB / 295.3 MB, free: 15.65 MB / 266.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001422/0.1334, allocations: 0.9529 MB / 296.2 MB, free: 15.64 MB / 266.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0002267/0.1336, allocations: 311.5 kB / 296.5 MB, free: 15.6 MB / 266.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0002844/0.1339, allocations: 333.4 kB / 296.9 MB, free: 15.56 MB / 266.7 MB Notification: Performance of NFConvertDAE.convert: time 0.001676/0.1356, allocations: 1.58 MB / 298.5 MB, free: 15.45 MB / 266.7 MB Notification: Performance of FrontEnd - DAE generated: time 3.236e-06/0.1356, allocations: 0.5312 kB / 298.5 MB, free: 15.45 MB / 266.7 MB Notification: Performance of FrontEnd: time 8.91e-07/0.1356, allocations: 0 / 298.5 MB, free: 15.45 MB / 266.7 MB Notification: Performance of Transformations before backend: time 1.028e-05/0.1356, allocations: 1.25 kB / 298.5 MB, free: 15.45 MB / 266.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 145 * Number of variables: 145 Notification: Performance of Generate backend data structure: time 0.001448/0.1371, allocations: 1.316 MB / 299.8 MB, free: 14.69 MB / 266.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.424e-05/0.1371, allocations: 17.3 kB / 299.8 MB, free: 14.68 MB / 266.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002829/0.1374, allocations: 165.4 kB / 299.9 MB, free: 14.62 MB / 266.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0005422/0.1379, allocations: 0.5654 MB / 300.5 MB, free: 14.4 MB / 266.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.729e-05/0.138, allocations: 44.84 kB / 300.6 MB, free: 14.4 MB / 266.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 7.895e-05/0.138, allocations: 63.28 kB / 300.6 MB, free: 14.39 MB / 266.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0006247/0.1387, allocations: 0.9425 MB / 301.6 MB, free: 13.73 MB / 266.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.531e-05/0.1387, allocations: 3.953 kB / 301.6 MB, free: 13.72 MB / 266.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.655e-05/0.1387, allocations: 28.61 kB / 301.6 MB, free: 13.72 MB / 266.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.718e-05/0.1388, allocations: 43.88 kB / 301.6 MB, free: 13.72 MB / 266.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0003942/0.1392, allocations: 313.5 kB / 301.9 MB, free: 13.71 MB / 266.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.00223/0.1414, allocations: 3.039 MB / 305 MB, free: 11.8 MB / 266.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0003591/0.1418, allocations: 266.5 kB / 305.2 MB, free: 11.77 MB / 266.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001185/0.1419, allocations: 101.7 kB / 305.3 MB, free: 11.75 MB / 266.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.000101/0.142, allocations: 59.77 kB / 305.4 MB, free: 11.75 MB / 266.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.119e-05/0.142, allocations: 42.17 kB / 305.4 MB, free: 11.7 MB / 266.7 MB Notification: Performance of pre-optimization done (n=47): time 1.633e-06/0.142, allocations: 0 / 305.4 MB, free: 11.7 MB / 266.7 MB Notification: Performance of matching and sorting (n=52): time 0.001708/0.1437, allocations: 1.05 MB / 306.5 MB, free: 11.38 MB / 266.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 2.951e-05/0.1437, allocations: 137.7 kB / 306.6 MB, free: 11.23 MB / 266.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003191/0.1441, allocations: 0.5681 MB / 307.2 MB, free: 11.01 MB / 266.7 MB Notification: Performance of collectPreVariables (initialization): time 3.771e-05/0.1441, allocations: 41.11 kB / 307.2 MB, free: 10.97 MB / 266.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0001548/0.1443, allocations: 448.7 kB / 307.7 MB, free: 10.62 MB / 266.7 MB Notification: Performance of collectInitialBindings (initialization): time 8.648e-05/0.1443, allocations: 203.3 kB / 307.9 MB, free: 10.48 MB / 266.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001494/0.1445, allocations: 162 kB / 308 MB, free: 10.41 MB / 266.7 MB Notification: Performance of setup shared object (initialization): time 8.528e-05/0.1446, allocations: 0.5598 MB / 308.6 MB, free: 9.906 MB / 266.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001256/0.1447, allocations: 97.06 kB / 308.7 MB, free: 9.891 MB / 266.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002171/0.1449, allocations: 474.6 kB / 309.1 MB, free: 9.434 MB / 266.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003548/0.1453, allocations: 494.7 kB / 309.6 MB, free: 9.062 MB / 266.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.687e-06/0.1453, allocations: 2.781 kB / 309.6 MB, free: 9.062 MB / 266.7 MB Notification: Performance of matching and sorting (n=93) (initialization): time 0.000611/0.1459, allocations: 0.5765 MB / 310.2 MB, free: 8.883 MB / 266.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.387e-05/0.1459, allocations: 6.344 kB / 310.2 MB, free: 8.883 MB / 266.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.514e-06/0.1459, allocations: 9.625 kB / 310.2 MB, free: 8.883 MB / 266.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0007254/0.1466, allocations: 242.2 kB / 310.5 MB, free: 8.844 MB / 266.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002803/0.1469, allocations: 151.4 kB / 310.6 MB, free: 8.836 MB / 266.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0004533/0.1474, allocations: 1.67 MB / 312.3 MB, free: 7.223 MB / 266.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002371/0.1476, allocations: 30.48 kB / 312.3 MB, free: 7.211 MB / 266.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.858e-05/0.1476, allocations: 35 kB / 312.3 MB, free: 7.203 MB / 266.7 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0001931/0.1478, allocations: 222.8 kB / 312.6 MB, free: 7.055 MB / 266.7 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0002055/0.148, allocations: 482 kB / 313 MB, free: 6.555 MB / 266.7 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0003167/0.1484, allocations: 490.2 kB / 313.5 MB, free: 6.156 MB / 266.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.056e-06/0.1484, allocations: 3 kB / 313.5 MB, free: 6.156 MB / 266.7 MB Notification: Performance of matching and sorting (n=93) (initialization_lambda0): time 0.0005529/0.1489, allocations: 0.5795 MB / 314.1 MB, free: 5.93 MB / 266.7 MB Notification: Performance of prepare postOptimizeDAE: time 8.335e-06/0.1489, allocations: 7.188 kB / 314.1 MB, free: 5.93 MB / 266.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.1e-06/0.1489, allocations: 12.31 kB / 314.1 MB, free: 5.926 MB / 266.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004329/0.1494, allocations: 149.9 kB / 314.3 MB, free: 5.848 MB / 266.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000318/0.1497, allocations: 164.5 kB / 314.4 MB, free: 5.82 MB / 266.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0002802/0.15, allocations: 1.636 MB / 316.1 MB, free: 4.191 MB / 266.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002206/0.1502, allocations: 37.25 kB / 316.1 MB, free: 4.172 MB / 266.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.427e-05/0.1502, allocations: 27.72 kB / 316.1 MB, free: 4.164 MB / 266.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 26 * Number of states: 0 () * Number of discrete variables: 6 (tank1.ports_m_flow_out[1],tank1.ports_m_flow_out[2],tank1.aboveLevel[2],$PRE.tank1.aboveLevel[2],tank1.aboveLevel[1],$PRE.tank1.aboveLevel[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (85): * Single equations (assignments): 83 * Array equations: 0 * 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): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(1,2), (1,6)} Notification: Performance of prepare postOptimizeDAE: time 0.0001133/0.1503, allocations: 315.2 kB / 316.4 MB, free: 3.875 MB / 266.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 9.191e-05/0.1504, allocations: 100.3 kB / 316.5 MB, free: 3.824 MB / 266.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0006426/0.1511, allocations: 0.591 MB / 317.1 MB, free: 3.301 MB / 266.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.251e-06/0.1511, allocations: 8 kB / 317.1 MB, free: 3.293 MB / 266.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.723e-06/0.1511, allocations: 0 / 317.1 MB, free: 3.293 MB / 266.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.6e-06/0.1511, allocations: 3.984 kB / 317.1 MB, free: 3.289 MB / 266.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001001/0.1521, allocations: 1.068 MB / 318.2 MB, free: 2.242 MB / 266.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.945e-06/0.1521, allocations: 4.094 kB / 318.2 MB, free: 2.238 MB / 266.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002035/0.1523, allocations: 95.89 kB / 318.3 MB, free: 2.148 MB / 266.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004316/0.1527, allocations: 193.6 kB / 318.5 MB, free: 1.953 MB / 266.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.814e-05/0.1527, allocations: 15.98 kB / 318.5 MB, free: 1.938 MB / 266.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0003138/0.1531, allocations: 1.663 MB / 320.2 MB, free: 232 kB / 266.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.763e-06/0.1531, allocations: 1.406 kB / 320.2 MB, free: 232 kB / 266.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.000686/0.1537, allocations: 0.7202 MB / 320.9 MB, free: 15.48 MB / 282.7 MB Notification: Performance of postOpt removeConstants (simulation): time 6.98e-05/0.1538, allocations: 71.56 kB / 321 MB, free: 15.41 MB / 282.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.269e-05/0.1539, allocations: 19.98 kB / 321 MB, free: 15.39 MB / 282.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002119/0.1541, allocations: 31.98 kB / 321 MB, free: 15.36 MB / 282.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.084e-05/0.1542, allocations: 45.31 kB / 321 MB, free: 15.32 MB / 282.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.645e-05/0.1542, allocations: 29.11 kB / 321.1 MB, free: 15.29 MB / 282.7 MB Notification: Performance of sorting global known variables: time 0.000214/0.1544, allocations: 355.4 kB / 321.4 MB, free: 14.97 MB / 282.7 MB Notification: Performance of sort global known variables: time 6e-08/0.1544, allocations: 0 / 321.4 MB, free: 14.97 MB / 282.7 MB Notification: Performance of remove unused functions: time 0.001109/0.1555, allocations: 0.5809 MB / 322 MB, free: 14.39 MB / 282.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 2 (tank1.level,tank1.medium.T) * Number of discrete variables: 2 (tank1.aboveLevel[1],tank1.aboveLevel[2]) * Number of discrete states: 2 (tank1.aboveLevel[2],tank1.aboveLevel[1]) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (56): * Single equations (assignments): 52 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * 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): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(1,7), (1,3)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0006585/0.1562, allocations: 479.3 kB / 322.5 MB, free: 13.94 MB / 282.7 MB Notification: Performance of simCode: created initialization part: time 0.0008258/0.157, allocations: 0.6473 MB / 323.1 MB, free: 13.34 MB / 282.7 MB Notification: Performance of simCode: created event and clocks part: time 3.476e-06/0.157, allocations: 4 kB / 323.1 MB, free: 13.34 MB / 282.7 MB Notification: Performance of simCode: created simulation system equations: time 0.0002225/0.1572, allocations: 202.1 kB / 323.3 MB, free: 13.16 MB / 282.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.000849/0.1581, allocations: 379 kB / 323.7 MB, free: 12.82 MB / 282.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001986/0.1601, allocations: 1.338 MB / 325 MB, free: 11.46 MB / 282.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001191/0.1602, allocations: 189.3 kB / 325.2 MB, free: 11.26 MB / 282.7 MB Notification: Performance of simCode: alias equations: time 0.0004537/0.1606, allocations: 177.2 kB / 325.4 MB, free: 11.1 MB / 282.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005982/0.1612, allocations: 413.8 kB / 325.8 MB, free: 10.7 MB / 282.7 MB Notification: Performance of SimCode: time 1.102e-06/0.1612, allocations: 0 / 325.8 MB, free: 10.7 MB / 282.7 MB Notification: Performance of Templates: time 0.02249/0.1837, allocations: 22.31 MB / 348.1 MB, free: 4.754 MB / 298.7 MB " [Timeout remaining time 660] make -j1 -f Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe1.makefile [Timeout 660] (rm -f Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe1.pipe ; mkfifo Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe1.pipe ; head -c 1048576 < Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe1.pipe >> ../files/Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe1.sim & ./Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe1 -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe1.pipe 2>&1) [Timeout 240] diffSimulationResults("Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe1_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/Modelica/Fluid/Examples/AST_BatchPlant/Test/TankWithEmptyingPipe1/TankWithEmptyingPipe1.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: 3.306922627147287]