Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.StraightPipe.kc_twoPhaseOverall_KC.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 0.001932/0.001932, allocations: 124.4 kB / 17.79 MB, free: 5.266 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 0.002423/0.002423, allocations: 199.3 kB / 20.74 MB, free: 2.32 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 1.455/1.455, allocations: 230.6 MB / 254.1 MB, free: 15.1 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 0.2262/0.2262, allocations: 46.92 MB / 357.1 MB, free: 10.34 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.Fluid.Dissipation.Verifications.HeatTransfer.StraightPipe.kc_twoPhaseOverall_KC,fileNamePrefix="ModelicaTest_4_1_0_ModelicaTest_Fluid_Dissipation_Verifications_HeatTransfer_StraightPipe_kc_twoPhaseOverall_KC",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.StraightPipe.kc_twoPhaseOverall_KC,fileNamePrefix="ModelicaTest_4_1_0_ModelicaTest_Fluid_Dissipation_Verifications_HeatTransfer_StraightPipe_kc_twoPhaseOverall_KC",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 0.002816/0.002816, allocations: 67.89 kB / 0.491 GB, free: 7.938 MB / 350.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1548/0.1576, allocations: 65.99 MB / 0.5554 GB, free: 5.816 MB / 414.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.StraightPipe.kc_twoPhaseOverall_KC): time 0.004222/0.1618, allocations: 2.907 MB / 0.5583 GB, free: 2.887 MB / 414.1 MB Notification: Performance of NFInst.instExpressions: time 0.003974/0.1658, allocations: 2.597 MB / 0.5608 GB, free: 288 kB / 414.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.000222/0.166, allocations: 4 kB / 0.5608 GB, free: 284 kB / 414.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0004158/0.1664, allocations: 119.2 kB / 0.5609 GB, free: 164 kB / 414.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0004592/0.1669, allocations: 238.6 kB / 0.5612 GB, free: 15.93 MB / 430.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.001378/0.1683, allocations: 0.5599 MB / 0.5617 GB, free: 15.37 MB / 430.1 MB Notification: Performance of NFFlatten.flatten: time 0.00104/0.1693, allocations: 0.9403 MB / 0.5626 GB, free: 14.42 MB / 430.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0001424/0.1695, allocations: 78.2 kB / 0.5627 GB, free: 14.33 MB / 430.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0004689/0.1699, allocations: 350 kB / 0.563 GB, free: 13.99 MB / 430.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0004967/0.1704, allocations: 425.7 kB / 0.5634 GB, free: 13.57 MB / 430.1 MB Notification: Performance of NFPackage.collectConstants: time 6.522e-05/0.1705, allocations: 24 kB / 0.5635 GB, free: 13.55 MB / 430.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001487/0.172, allocations: 0.963 MB / 0.5644 GB, free: 12.58 MB / 430.1 MB Notification: Performance of NFScalarize.scalarize: time 0.000263/0.1722, allocations: 262.7 kB / 0.5646 GB, free: 12.32 MB / 430.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0004179/0.1727, allocations: 468.6 kB / 0.5651 GB, free: 11.86 MB / 430.1 MB Notification: Performance of NFConvertDAE.convert: time 0.001674/0.1743, allocations: 1.384 MB / 0.5664 GB, free: 10.47 MB / 430.1 MB Notification: Performance of FrontEnd - DAE generated: time 6.011e-06/0.1743, allocations: 3.984 kB / 0.5664 GB, free: 10.47 MB / 430.1 MB Notification: Performance of FrontEnd: time 1.483e-06/0.1743, allocations: 4 kB / 0.5665 GB, free: 10.46 MB / 430.1 MB Notification: Performance of Transformations before backend: time 1.275e-05/0.1744, allocations: 0 / 0.5665 GB, free: 10.46 MB / 430.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 275 * Number of variables: 275 Notification: Performance of Generate backend data structure: time 0.002319/0.1767, allocations: 1.494 MB / 0.5679 GB, free: 8.914 MB / 430.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.173e-05/0.1767, allocations: 8.031 kB / 0.5679 GB, free: 8.906 MB / 430.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001921/0.1769, allocations: 169 kB / 0.5681 GB, free: 8.73 MB / 430.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007683/0.1777, allocations: 200 kB / 0.5683 GB, free: 8.535 MB / 430.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008404/0.1785, allocations: 0.5189 MB / 0.5688 GB, free: 7.973 MB / 430.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.877e-05/0.1786, allocations: 73.94 kB / 0.5688 GB, free: 7.902 MB / 430.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001152/0.1787, allocations: 92 kB / 0.5689 GB, free: 7.812 MB / 430.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002216/0.1809, allocations: 1.419 MB / 0.5703 GB, free: 6.355 MB / 430.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.006e-05/0.1809, allocations: 0 / 0.5703 GB, free: 6.355 MB / 430.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.746e-05/0.181, allocations: 36 kB / 0.5704 GB, free: 6.32 MB / 430.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.971e-05/0.1811, allocations: 74.06 kB / 0.5704 GB, free: 6.246 MB / 430.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002324/0.1834, allocations: 1.37 MB / 0.5718 GB, free: 4.867 MB / 430.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.004227/0.1877, allocations: 3.091 MB / 0.5748 GB, free: 1.688 MB / 430.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001327/0.189, allocations: 0.6997 MB / 0.5755 GB, free: 0.9375 MB / 430.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006518/0.1896, allocations: 293.3 kB / 0.5757 GB, free: 0.6328 MB / 430.1 MB Notification: Performance of preOpt evalFunc (simulation): time 4.879e-05/0.1897, allocations: 8.172 kB / 0.5758 GB, free: 0.625 MB / 430.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.392e-05/0.1897, allocations: 46.73 kB / 0.5758 GB, free: 0.5703 MB / 430.1 MB Notification: Performance of pre-optimization done (n=32): time 3.907e-06/0.1897, allocations: 3.984 kB / 0.5758 GB, free: 0.5664 MB / 430.1 MB Notification: Performance of matching and sorting (n=32): time 0.0024/0.1921, allocations: 0.9446 MB / 0.5767 GB, free: 15.61 MB / 446.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001084/0.1922, allocations: 183.9 kB / 0.5769 GB, free: 15.39 MB / 446.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001665/0.1939, allocations: 1.362 MB / 0.5782 GB, free: 14.01 MB / 446.1 MB Notification: Performance of collectPreVariables (initialization): time 4.067e-05/0.1939, allocations: 33.7 kB / 0.5783 GB, free: 13.97 MB / 446.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0004721/0.1944, allocations: 0.5481 MB / 0.5788 GB, free: 13.42 MB / 446.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001285/0.1945, allocations: 123 kB / 0.5789 GB, free: 13.3 MB / 446.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002372/0.1948, allocations: 154.2 kB / 0.5791 GB, free: 13.14 MB / 446.1 MB Notification: Performance of setup shared object (initialization): time 0.0001465/0.1949, allocations: 334 kB / 0.5794 GB, free: 12.81 MB / 446.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007208/0.1956, allocations: 301 kB / 0.5797 GB, free: 12.52 MB / 446.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0009814/0.1966, allocations: 0.6208 MB / 0.5803 GB, free: 11.74 MB / 446.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001791/0.1984, allocations: 0.9799 MB / 0.5812 GB, free: 10.6 MB / 446.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.046e-06/0.1984, allocations: 4 kB / 0.5812 GB, free: 10.6 MB / 446.1 MB Notification: Performance of matching and sorting (n=79) (initialization): time 0.002185/0.2006, allocations: 1.036 MB / 0.5822 GB, free: 9.559 MB / 446.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.579e-05/0.2006, allocations: 12 kB / 0.5823 GB, free: 9.547 MB / 446.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.571e-05/0.2007, allocations: 12 kB / 0.5823 GB, free: 9.535 MB / 446.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 3.815e-05/0.2007, allocations: 20 kB / 0.5823 GB, free: 9.516 MB / 446.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006102/0.2013, allocations: 155.7 kB / 0.5824 GB, free: 9.363 MB / 446.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.776e-05/0.2013, allocations: 27.86 kB / 0.5825 GB, free: 9.336 MB / 446.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007992/0.2021, allocations: 178.7 kB / 0.5826 GB, free: 9.16 MB / 446.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.093e-05/0.2022, allocations: 40 kB / 0.5827 GB, free: 9.121 MB / 446.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 51 * Number of states: 0 () * Number of discrete variables: 26 (IN_var_3[6].target,IN_var_3[5].target,IN_var_3[4].target,IN_var_3[3].target,IN_var_3[2].target,IN_var_3[1].target,IN_con_3[6].target,IN_con_3[5].target,IN_con_3[4].target,IN_con_3[3].target,IN_con_3[2].target,IN_con_3[1].target,IN_var_2.target,IN_con_2.target,IN_var_1[6].target,IN_var_1[5].target,IN_var_1[4].target,IN_var_1[3].target,IN_var_1[2].target,IN_var_1[1].target,IN_con_1[6].target,IN_con_1[5].target,IN_con_1[4].target,IN_con_1[3].target,IN_con_1[2].target,IN_con_1[1].target) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (79): * Single equations (assignments): 79 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0005602/0.2028, allocations: 367.6 kB / 0.583 GB, free: 8.75 MB / 446.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002589/0.203, allocations: 131.1 kB / 0.5831 GB, free: 8.621 MB / 446.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001528/0.2045, allocations: 0.7548 MB / 0.5839 GB, free: 7.855 MB / 446.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.633e-06/0.2046, allocations: 4 kB / 0.5839 GB, free: 7.852 MB / 446.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.689e-06/0.2046, allocations: 0 / 0.5839 GB, free: 7.852 MB / 446.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.432e-06/0.2046, allocations: 4 kB / 0.5839 GB, free: 7.848 MB / 446.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001241/0.2058, allocations: 0.718 MB / 0.5846 GB, free: 7.074 MB / 446.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.365e-06/0.2058, allocations: 0 / 0.5846 GB, free: 7.074 MB / 446.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004693/0.2063, allocations: 107.9 kB / 0.5847 GB, free: 6.969 MB / 446.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 6.563e-06/0.2063, allocations: 7.938 kB / 0.5847 GB, free: 6.961 MB / 446.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.33e-05/0.2063, allocations: 19.98 kB / 0.5847 GB, free: 6.941 MB / 446.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.407e-06/0.2063, allocations: 0 / 0.5847 GB, free: 6.941 MB / 446.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.099e-06/0.2063, allocations: 11.92 kB / 0.5847 GB, free: 6.93 MB / 446.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001736/0.2081, allocations: 1.165 MB / 0.5859 GB, free: 5.742 MB / 446.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0002683/0.2083, allocations: 208.2 kB / 0.5861 GB, free: 5.52 MB / 446.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001267/0.2085, allocations: 8 kB / 0.5861 GB, free: 5.512 MB / 446.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006053/0.2091, allocations: 35.95 kB / 0.5861 GB, free: 5.477 MB / 446.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001167/0.2092, allocations: 35.97 kB / 0.5861 GB, free: 5.441 MB / 446.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.23e-05/0.2092, allocations: 23.98 kB / 0.5862 GB, free: 5.418 MB / 446.1 MB Notification: Performance of sorting global known variables: time 0.001205/0.2104, allocations: 0.9352 MB / 0.5871 GB, free: 4.48 MB / 446.1 MB Notification: Performance of sort global known variables: time 8e-08/0.2104, allocations: 0 / 0.5871 GB, free: 4.48 MB / 446.1 MB Notification: Performance of remove unused functions: time 0.001092/0.2115, allocations: 303.5 kB / 0.5874 GB, free: 4.184 MB / 446.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 6 * Number of states: 0 () * 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 (32): * Single equations (assignments): 32 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.00257/0.2141, allocations: 1.867 MB / 0.5892 GB, free: 2.281 MB / 446.1 MB Notification: Performance of simCode: created initialization part: time 0.001699/0.2158, allocations: 0.6817 MB / 0.5899 GB, free: 1.602 MB / 446.1 MB Notification: Performance of simCode: created event and clocks part: time 3.136e-06/0.2158, allocations: 384 / 0.5899 GB, free: 1.602 MB / 446.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0007409/0.2165, allocations: 303.6 kB / 0.5902 GB, free: 1.305 MB / 446.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001486/0.218, allocations: 255 kB / 0.5904 GB, free: 1.055 MB / 446.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.2639/0.4819, allocations: 11.21 MB / 0.6013 GB, free: 31.76 MB / 446.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000729/0.4827, allocations: 1.157 MB / 0.6025 GB, free: 31.04 MB / 446.1 MB Notification: Performance of simCode: alias equations: time 0.0008922/0.4836, allocations: 395.8 kB / 0.6029 GB, free: 30.98 MB / 446.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000442/0.484, allocations: 398.6 kB / 0.6032 GB, free: 30.69 MB / 446.1 MB Notification: Performance of SimCode: time 1.012e-06/0.484, allocations: 0 / 0.6032 GB, free: 30.69 MB / 446.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.05671/0.5407, allocations: 28.05 MB / 0.6306 GB, free: 13.62 MB / 446.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 10.8/11.34, allocations: 7.859 kB / 0.6306 GB, free: 13.61 MB / 446.1 MB " [Timeout remaining time 649] (rm -f ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.StraightPipe.kc_twoPhaseOverall_KC.pipe ; mkfifo ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.StraightPipe.kc_twoPhaseOverall_KC.pipe ; head -c 1048576 < ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.StraightPipe.kc_twoPhaseOverall_KC.pipe >> ../files/ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.StraightPipe.kc_twoPhaseOverall_KC.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.StraightPipe.kc_twoPhaseOverall_KC_res.mat --tempDir=temp_ModelicaTest_4_1_0_ModelicaTest_Fluid_Dissipation_Verifications_HeatTransfer_StraightPipe_kc_twoPhaseOverall_KC_fmu --startTime=0 --stopTime=1.01 --stepSize=0.000201839 --timeout=50 --tolerance=1e-05 ModelicaTest_4_1_0_ModelicaTest_Fluid_Dissipation_Verifications_HeatTransfer_StraightPipe_kc_twoPhaseOverall_KC.fmu > ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.StraightPipe.kc_twoPhaseOverall_KC.pipe 2>&1) [Timeout 52.5] diffSimulationResults("ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.StraightPipe.kc_twoPhaseOverall_KC_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/ModelicaTest/Fluid/Dissipation/Verifications/HeatTransfer/StraightPipe/kc_twoPhaseOverall_KC/kc_twoPhaseOverall_KC.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.StraightPipe.kc_twoPhaseOverall_KC.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: 15.367617529118434]