Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACLine_RLC.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 0.00169/0.00169, allocations: 99.64 kB / 18.95 MB, free: 2.668 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 0.00216/0.00216, allocations: 212.3 kB / 22.24 MB, free: 5.262 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 1.485/1.485, allocations: 230.6 MB / 256 MB, free: 7.785 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo): time 3.288/3.288, allocations: 0.5107 GB / 0.8158 GB, free: 17.82 MB / 0.6231 GB " [Timeout remaining time 176] Using package Buildings with version 13.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/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(Buildings.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACLine_RLC,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Lines_Examples_ACLine_RLC",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACLine_RLC,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Lines_Examples_ACLine_RLC",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300] "Notification: Buildings 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 0.00211/0.00211, allocations: 67.95 kB / 1.186 GB, free: 13.69 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.32/0.3221, allocations: 181.9 MB / 1.363 GB, free: 14.08 MB / 1.061 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACLine_RLC): time 0.04531/0.3674, allocations: 35.74 MB / 1.398 GB, free: 10.22 MB / 1.092 GB Notification: Performance of NFInst.instExpressions: time 0.0234/0.3908, allocations: 13.2 MB / 1.411 GB, free: 12.99 MB / 1.107 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003547/0.3943, allocations: 226.2 kB / 1.411 GB, free: 12.77 MB / 1.107 GB Notification: Performance of NFTyping.typeComponents: time 0.01011/0.4045, allocations: 3.923 MB / 1.415 GB, free: 8.836 MB / 1.107 GB Notification: Performance of NFTyping.typeBindings: time 0.006123/0.4106, allocations: 2.608 MB / 1.418 GB, free: 6.215 MB / 1.107 GB Notification: Performance of NFTyping.typeClassSections: time 0.006121/0.4167, allocations: 2.729 MB / 1.42 GB, free: 3.484 MB / 1.107 GB Notification: Performance of NFFlatten.flatten: time 0.01109/0.4278, allocations: 9.592 MB / 1.43 GB, free: 9.863 MB / 1.123 GB Notification: Performance of NFFlatten.resolveConnections: time 0.007674/0.4355, allocations: 5.511 MB / 1.435 GB, free: 4.23 MB / 1.123 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005752/0.4412, allocations: 4.148 MB / 1.439 GB, free: 72 kB / 1.123 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006586/0.4478, allocations: 4.395 MB / 1.444 GB, free: 11.66 MB / 1.139 GB Notification: Performance of NFPackage.collectConstants: time 0.001208/0.449, allocations: 0.7695 MB / 1.444 GB, free: 10.89 MB / 1.139 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003221/0.4522, allocations: 1.666 MB / 1.446 GB, free: 9.223 MB / 1.139 GB Notification: Performance of NFScalarize.scalarize: time 0.003092/0.4553, allocations: 3.106 MB / 1.449 GB, free: 6.109 MB / 1.139 GB Notification: Performance of NFVerifyModel.verify: time 0.003636/0.459, allocations: 2.918 MB / 1.452 GB, free: 3.18 MB / 1.139 GB Notification: Performance of NFConvertDAE.convert: time 0.01269/0.4717, allocations: 11.95 MB / 1.463 GB, free: 7.195 MB / 1.154 GB Notification: Performance of FrontEnd - DAE generated: time 5.19e-06/0.4717, allocations: 0 / 1.463 GB, free: 7.195 MB / 1.154 GB Notification: Performance of FrontEnd: time 1.783e-06/0.4717, allocations: 0 / 1.463 GB, free: 7.195 MB / 1.154 GB Notification: Performance of Transformations before backend: time 0.0003136/0.472, allocations: 4 kB / 1.463 GB, free: 7.191 MB / 1.154 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1394 * Number of variables: 1394 Notification: Performance of Generate backend data structure: time 0.01402/0.486, allocations: 6.439 MB / 1.47 GB, free: 0.6875 MB / 1.154 GB Notification: Performance of prepare preOptimizeDAE: time 4.123e-05/0.486, allocations: 8.031 kB / 1.47 GB, free: 0.6797 MB / 1.154 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001119/0.4872, allocations: 0.7481 MB / 1.471 GB, free: 15.92 MB / 1.17 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.00775/0.4949, allocations: 1.336 MB / 1.472 GB, free: 14.58 MB / 1.17 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.008635/0.5035, allocations: 3.725 MB / 1.475 GB, free: 10.77 MB / 1.17 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003212/0.5039, allocations: 382.5 kB / 1.476 GB, free: 10.39 MB / 1.17 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0009317/0.5048, allocations: 0.5002 MB / 1.476 GB, free: 9.895 MB / 1.17 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01486/0.5197, allocations: 9.651 MB / 1.486 GB, free: 15.71 MB / 1.186 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001285/0.5198, allocations: 27.83 kB / 1.486 GB, free: 15.68 MB / 1.186 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005868/0.5204, allocations: 227.9 kB / 1.486 GB, free: 15.46 MB / 1.186 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.002365/0.5227, allocations: 0.6304 MB / 1.487 GB, free: 14.82 MB / 1.186 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01196/0.5347, allocations: 6.999 MB / 1.493 GB, free: 7.812 MB / 1.186 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0437/0.5784, allocations: 27.59 MB / 1.52 GB, free: 11.54 MB / 1.217 GB Notification: Performance of preOpt comSubExp (simulation): time 0.004141/0.5825, allocations: 2.642 MB / 1.523 GB, free: 8.891 MB / 1.217 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.003709/0.5862, allocations: 2.41 MB / 1.525 GB, free: 6.473 MB / 1.217 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001633/0.5864, allocations: 30.08 kB / 1.525 GB, free: 6.441 MB / 1.217 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.572e-05/0.5865, allocations: 68.59 kB / 1.525 GB, free: 6.363 MB / 1.217 GB Notification: Performance of pre-optimization done (n=265): time 5.129e-06/0.5865, allocations: 4 kB / 1.525 GB, free: 6.359 MB / 1.217 GB Notification: Performance of matching and sorting (n=424): time 0.309/0.8955, allocations: 72.92 MB / 1.597 GB, free: 13.19 MB / 1.295 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.673e-05/0.8956, allocations: 98.73 kB / 1.597 GB, free: 13.08 MB / 1.295 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00362/0.8992, allocations: 2.402 MB / 1.599 GB, free: 10.66 MB / 1.295 GB Notification: Performance of collectPreVariables (initialization): time 0.0007472/0.9, allocations: 93.7 kB / 1.599 GB, free: 10.57 MB / 1.295 GB Notification: Performance of collectInitialEqns (initialization): time 0.001944/0.9019, allocations: 2.399 MB / 1.601 GB, free: 8.148 MB / 1.295 GB Notification: Performance of collectInitialBindings (initialization): time 0.001776/0.9037, allocations: 1.518 MB / 1.603 GB, free: 6.617 MB / 1.295 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00151/0.9052, allocations: 0.7217 MB / 1.604 GB, free: 5.883 MB / 1.295 GB Notification: Performance of setup shared object (initialization): time 0.0001271/0.9053, allocations: 301.1 kB / 1.604 GB, free: 5.586 MB / 1.295 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00487/0.9102, allocations: 3.003 MB / 1.607 GB, free: 2.574 MB / 1.295 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.6053/1.516, allocations: 3.836 MB / 1.611 GB, free: 224.1 MB / 1.295 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01083/1.526, allocations: 7.383 MB / 1.618 GB, free: 221 MB / 1.295 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.775e-05/1.526, allocations: 8.406 kB / 1.618 GB, free: 221 MB / 1.295 GB Notification: Performance of matching and sorting (n=551) (initialization): time 0.02966/1.556, allocations: 12.39 MB / 1.63 GB, free: 216.3 MB / 1.295 GB Notification: Performance of prepare postOptimizeDAE: time 5.432e-05/1.556, allocations: 18.03 kB / 1.63 GB, free: 216.3 MB / 1.295 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.719e-05/1.556, allocations: 23.06 kB / 1.63 GB, free: 216.3 MB / 1.295 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02319/1.579, allocations: 6.014 MB / 1.636 GB, free: 214.7 MB / 1.295 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002288/1.582, allocations: 495.5 kB / 1.636 GB, free: 214.7 MB / 1.295 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.07298/1.655, allocations: 69.71 MB / 1.704 GB, free: 164.2 MB / 1.295 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003825/1.658, allocations: 219.9 kB / 1.705 GB, free: 164 MB / 1.295 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003568/1.659, allocations: 156 kB / 1.705 GB, free: 163.8 MB / 1.295 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 101 * 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 initialization (269): * Single equations (assignments): 245 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 24 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 24 systems {(2,2,100.0%), (1,1,100.0%), (2,2,100.0%), (1,1,100.0%), (2,2,100.0%), (1,1,100.0%), (4,16,100.0%), (4,16,100.0%), (4,16,100.0%), (4,16,100.0%), (4,16,100.0%), (4,16,100.0%), (2,8,100.0%), (2,16,100.0%), (3,15,100.0%), (2,8,100.0%), (2,8,100.0%), (2,16,100.0%), (3,15,100.0%), (2,8,100.0%), (2,8,100.0%), (2,16,100.0%), (3,15,100.0%), (2,8,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.002772/1.662, allocations: 1.99 MB / 1.707 GB, free: 161.8 MB / 1.295 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006/1.662, allocations: 409.5 kB / 1.707 GB, free: 161.4 MB / 1.295 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02442/1.687, allocations: 12.05 MB / 1.719 GB, free: 149.2 MB / 1.295 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.39e-05/1.687, allocations: 40.55 kB / 1.719 GB, free: 149.2 MB / 1.295 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001012/1.687, allocations: 51.94 kB / 1.719 GB, free: 149.2 MB / 1.295 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.003e-05/1.687, allocations: 31.83 kB / 1.719 GB, free: 149.1 MB / 1.295 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03347/1.72, allocations: 17.92 MB / 1.736 GB, free: 131 MB / 1.295 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.526e-05/1.72, allocations: 8 kB / 1.736 GB, free: 131 MB / 1.295 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001361/1.722, allocations: 295.6 kB / 1.737 GB, free: 130.7 MB / 1.295 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01883/1.74, allocations: 5.56 MB / 1.742 GB, free: 125.1 MB / 1.295 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0003198/1.741, allocations: 80 kB / 1.742 GB, free: 125 MB / 1.295 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.06482/1.806, allocations: 67.33 MB / 1.808 GB, free: 55.04 MB / 1.295 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.462e-06/1.806, allocations: 11.94 kB / 1.808 GB, free: 55.02 MB / 1.295 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02655/1.832, allocations: 15.46 MB / 1.823 GB, free: 39.34 MB / 1.295 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002722/1.835, allocations: 0.9854 MB / 1.824 GB, free: 38.35 MB / 1.295 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005655/1.835, allocations: 87.98 kB / 1.824 GB, free: 38.26 MB / 1.295 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002395/1.838, allocations: 215.7 kB / 1.824 GB, free: 38.05 MB / 1.295 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001183/1.839, allocations: 422.1 kB / 1.825 GB, free: 37.64 MB / 1.295 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002664/1.839, allocations: 104 kB / 1.825 GB, free: 37.54 MB / 1.295 GB Notification: Performance of sorting global known variables: time 0.001708/1.841, allocations: 1.556 MB / 1.826 GB, free: 35.98 MB / 1.295 GB Notification: Performance of sort global known variables: time 1e-07/1.841, allocations: 0 / 1.826 GB, free: 35.98 MB / 1.295 GB Notification: Performance of remove unused functions: time 0.004623/1.846, allocations: 1.859 MB / 1.828 GB, free: 34.12 MB / 1.295 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 31 * Number of states: 6 (RLCLine_sc.phase1.Vc[1],RLCLine_sc.phase1.Vc[2],RLCLine_sc.phase2.Vc[1],RLCLine_sc.phase2.Vc[2],RLCLine_sc.phase3.Vc[1],RLCLine_sc.phase3.Vc[2]) * 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 (145): * Single equations (assignments): 121 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 24 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 24 systems {(2,8,100.0%), (2,8,100.0%), (2,8,100.0%), (3,15,100.0%), (3,15,100.0%), (3,15,100.0%), (4,16,100.0%), (4,16,100.0%), (4,16,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (2,2,100.0%), (2,2,100.0%), (2,2,100.0%), (2,8,100.0%), (3,15,100.0%), (2,8,100.0%), (3,15,100.0%), (2,8,100.0%), (3,15,100.0%), (4,16,100.0%), (4,16,100.0%), (4,16,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.02625/1.872, allocations: 16.13 MB / 1.844 GB, free: 17.75 MB / 1.295 GB Notification: Performance of simCode: created initialization part: time 0.01753/1.889, allocations: 11.6 MB / 1.855 GB, free: 5.844 MB / 1.295 GB Notification: Performance of simCode: created event and clocks part: time 1.239e-05/1.889, allocations: 4 kB / 1.855 GB, free: 5.84 MB / 1.295 GB Notification: Performance of simCode: created simulation system equations: time 0.01338/1.903, allocations: 8.129 MB / 1.863 GB, free: 13.41 MB / 1.311 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005153/1.908, allocations: 1.193 MB / 1.864 GB, free: 12.25 MB / 1.311 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.1072/2.015, allocations: 53.77 MB / 1.917 GB, free: 4.984 MB / 1.357 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.005304/2.02, allocations: 3.567 MB / 1.92 GB, free: 1.379 MB / 1.357 GB Notification: Performance of simCode: alias equations: time 0.002356/2.023, allocations: 0.6707 MB / 1.921 GB, free: 0.707 MB / 1.357 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00287/2.026, allocations: 2.139 MB / 1.923 GB, free: 14.62 MB / 1.373 GB Notification: Performance of SimCode: time 7.92e-07/2.026, allocations: 0 / 1.923 GB, free: 14.62 MB / 1.373 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.3068/2.332, allocations: 161.1 MB / 2.08 GB, free: 14.98 MB / 1.529 GB Notification: Performance of buildModelFMU: Generate platform static: time 17.77/20.11, allocations: 3.938 kB / 2.08 GB, free: 14.98 MB / 1.529 GB " [Timeout remaining time 280] (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACLine_RLC.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACLine_RLC.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACLine_RLC.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACLine_RLC.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACLine_RLC_res.mat --tempDir=temp_Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Lines_Examples_ACLine_RLC_fmu --startTime=0 --stopTime=1 --stepSize=0.0004 --timeout=800 --tolerance=1e-06 Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Lines_Examples_ACLine_RLC.fmu > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACLine_RLC.pipe 2>&1) [Timeout 840.0] diffSimulationResults("Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACLine_RLC_res.mat","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_Electrical_AC_ThreePhasesUnbalanced_Lines_Examples_ACLine_RLC.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACLine_RLC.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 27.706988335121423]