Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr AixLib_AixLib.Airflow.Multizone.Examples.CO2TransportStep.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/package.mo): time 0.04236/0.04236, allocations: 9.136 MB / 28.99 MB, free: 0.8203 MB / 18.57 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/EmbeddedTargets/STM32F4/Functions/HAL.mo:5:3-11:14:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/OperatingSystem/DynamicArray.mo:6:3-94:18:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/Utilities/Functions.mo:1041:3-1062:27:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/Utilities/Functions.mo:1064:3-1092:25:writable] Warning: External function annotation should occur on the external-clause, not on the function. " [Timeout remaining time 180] 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 0.000971/0.000971, allocations: 98.58 kB / 35.34 MB, free: 1.074 MB / 24.77 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 0.001403/0.001403, allocations: 164.5 kB / 38.73 MB, free: 2.484 MB / 24.77 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 1.002/1.002, allocations: 177.1 MB / 219.2 MB, free: 10.13 MB / 202.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF 0.4.5/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF 0.4.5/package.mo): time 0.003983/0.003983, allocations: 0.8256 MB / 276.5 MB, free: 0.7578 MB / 250.7 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 3.0.1/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 3.0.1/package.mo): time 1.679/1.679, allocations: 274.9 MB / 0.5419 GB, free: 0.6445 MB / 0.4949 GB " [Timeout remaining time 178] Using package AixLib with version 3.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 3.0.1/package.mo) Using package SDF with version 0.4.5 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF 0.4.5/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) Using package Modelica_DeviceDrivers with version 2.2.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/package.mo) Running command: translateModel(AixLib.Airflow.Multizone.Examples.CO2TransportStep,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="AixLib_AixLib.Airflow.Multizone.Examples.CO2TransportStep") translateModel(AixLib.Airflow.Multizone.Examples.CO2TransportStep,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="AixLib_AixLib.Airflow.Multizone.Examples.CO2TransportStep") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.923e-06/1.923e-06, allocations: 0 / 0.6379 GB, free: 14.08 MB / 0.6043 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.725e-05/1.918e-05, allocations: 2.312 kB / 0.6379 GB, free: 14.07 MB / 0.6043 GB Notification: Performance of NFInst.instantiate(AixLib.Airflow.Multizone.Examples.CO2TransportStep): time 0.4563/0.4563, allocations: 161.3 MB / 0.7954 GB, free: 9.855 MB / 0.698 GB Notification: Performance of NFInst.instExpressions: time 0.015/0.4713, allocations: 9.53 MB / 0.8047 GB, free: 336 kB / 0.698 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002008/0.4733, allocations: 99.25 kB / 0.8048 GB, free: 236 kB / 0.698 GB Notification: Performance of NFTyping.typeComponents: time 0.001438/0.4747, allocations: 0.6438 MB / 0.8054 GB, free: 15.58 MB / 0.7137 GB Notification: Performance of NFTyping.typeBindings: time 0.004491/0.4792, allocations: 2.859 MB / 0.8082 GB, free: 12.71 MB / 0.7137 GB Notification: Performance of NFTyping.typeClassSections: time 0.003036/0.4823, allocations: 1.723 MB / 0.8099 GB, free: 10.98 MB / 0.7137 GB Notification: Performance of NFFlatten.flatten: time 0.007718/0.49, allocations: 7.343 MB / 0.8171 GB, free: 3.633 MB / 0.7137 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004322/0.4943, allocations: 2.387 MB / 0.8194 GB, free: 1.258 MB / 0.7137 GB Notification: Performance of NFEvalConstants.evaluate: time 0.006249/0.5006, allocations: 4.005 MB / 0.8233 GB, free: 13.37 MB / 0.7293 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002326/0.5029, allocations: 2.402 MB / 0.8257 GB, free: 10.97 MB / 0.7293 GB Notification: Performance of NFPackage.collectConstants: time 0.0006421/0.5035, allocations: 332 kB / 0.826 GB, free: 10.64 MB / 0.7293 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001453/0.505, allocations: 0.971 MB / 0.8269 GB, free: 9.672 MB / 0.7293 GB Notification: Performance of NFScalarize.scalarize: time 0.0008998/0.5059, allocations: 1.586 MB / 0.8285 GB, free: 8.082 MB / 0.7293 GB Notification: Performance of NFVerifyModel.verify: time 0.001128/0.507, allocations: 1.376 MB / 0.8298 GB, free: 6.703 MB / 0.7293 GB Notification: Performance of NFConvertDAE.convert: time 0.002768/0.5098, allocations: 3.357 MB / 0.8331 GB, free: 3.336 MB / 0.7293 GB Notification: Performance of FrontEnd - DAE generated: time 5.831e-06/0.5098, allocations: 4 kB / 0.8331 GB, free: 3.332 MB / 0.7293 GB Notification: Performance of FrontEnd: time 1.473e-06/0.5098, allocations: 0 / 0.8331 GB, free: 3.332 MB / 0.7293 GB Notification: Performance of Transformations before backend: time 3.822e-05/0.5098, allocations: 0 / 0.8331 GB, free: 3.332 MB / 0.7293 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 709 * Number of variables: 709 Notification: Performance of Generate backend data structure: time 0.00433/0.5141, allocations: 3.57 MB / 0.8366 GB, free: 15.71 MB / 0.7449 GB Notification: Performance of prepare preOptimizeDAE: time 3.983e-05/0.5142, allocations: 15.98 kB / 0.8366 GB, free: 15.7 MB / 0.7449 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002488/0.5167, allocations: 1.064 MB / 0.8376 GB, free: 14.63 MB / 0.7449 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001496/0.5182, allocations: 1.34 MB / 0.8389 GB, free: 13.23 MB / 0.7449 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001007/0.5183, allocations: 209.4 kB / 0.8391 GB, free: 13.03 MB / 0.7449 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002581/0.5185, allocations: 287.9 kB / 0.8394 GB, free: 12.75 MB / 0.7449 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002376/0.5209, allocations: 2.456 MB / 0.8418 GB, free: 10.08 MB / 0.7449 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.5e-05/0.5209, allocations: 11.67 kB / 0.8418 GB, free: 10.07 MB / 0.7449 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000156/0.5211, allocations: 116 kB / 0.8419 GB, free: 9.961 MB / 0.7449 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.635e-05/0.5212, allocations: 141.2 kB / 0.8421 GB, free: 9.82 MB / 0.7449 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001286/0.5225, allocations: 1.028 MB / 0.8431 GB, free: 8.762 MB / 0.7449 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.006306/0.5288, allocations: 6.975 MB / 0.8499 GB, free: 1.652 MB / 0.7449 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001168/0.53, allocations: 1.091 MB / 0.851 GB, free: 0.5625 MB / 0.7449 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005177/0.5305, allocations: 0.492 MB / 0.8514 GB, free: 72 kB / 0.7449 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003068/0.5308, allocations: 144.6 kB / 0.8516 GB, free: 15.93 MB / 0.7605 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0007537/0.5315, allocations: 0.9615 MB / 0.8525 GB, free: 14.88 MB / 0.7605 GB Notification: Performance of pre-optimization done (n=213): time 4.468e-06/0.5315, allocations: 4 kB / 0.8525 GB, free: 14.88 MB / 0.7605 GB Notification: Performance of matching and sorting (n=213): time 0.001782/0.5333, allocations: 1.135 MB / 0.8536 GB, free: 13.74 MB / 0.7605 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.13e-05/0.5334, allocations: 77.34 kB / 0.8537 GB, free: 13.65 MB / 0.7605 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006829/0.5341, allocations: 1.088 MB / 0.8548 GB, free: 12.55 MB / 0.7605 GB Notification: Performance of collectPreVariables (initialization): time 9.26e-05/0.5341, allocations: 69.7 kB / 0.8548 GB, free: 12.48 MB / 0.7605 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004209/0.5346, allocations: 0.974 MB / 0.8558 GB, free: 11.5 MB / 0.7605 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003783/0.5349, allocations: 0.7667 MB / 0.8565 GB, free: 10.72 MB / 0.7605 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003539/0.5353, allocations: 371.9 kB / 0.8569 GB, free: 10.35 MB / 0.7605 GB Notification: Performance of setup shared object (initialization): time 6.853e-05/0.5354, allocations: 301.1 kB / 0.8572 GB, free: 10.05 MB / 0.7605 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000355/0.5357, allocations: 297.2 kB / 0.8574 GB, free: 9.754 MB / 0.7605 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00059/0.5363, allocations: 0.8673 MB / 0.8583 GB, free: 8.66 MB / 0.7605 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001046/0.5374, allocations: 1.214 MB / 0.8595 GB, free: 7.262 MB / 0.7605 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.855e-06/0.5374, allocations: 4 kB / 0.8595 GB, free: 7.258 MB / 0.7605 GB Notification: Performance of matching and sorting (n=283) (initialization): time 0.00155/0.5389, allocations: 1.225 MB / 0.8607 GB, free: 6.012 MB / 0.7605 GB Notification: Performance of prepare postOptimizeDAE: time 4.311e-05/0.539, allocations: 41.7 kB / 0.8607 GB, free: 5.965 MB / 0.7605 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.479e-05/0.539, allocations: 16.86 kB / 0.8607 GB, free: 5.949 MB / 0.7605 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.689e-05/0.539, allocations: 28.62 kB / 0.8608 GB, free: 5.922 MB / 0.7605 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001065/0.5401, allocations: 0.5032 MB / 0.8613 GB, free: 5.418 MB / 0.7605 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.992e-05/0.5401, allocations: 35.86 kB / 0.8613 GB, free: 5.383 MB / 0.7605 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007573/0.5408, allocations: 202.3 kB / 0.8615 GB, free: 5.184 MB / 0.7605 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.914e-05/0.5409, allocations: 72.55 kB / 0.8616 GB, free: 5.113 MB / 0.7605 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 57 * Number of states: 0 () * Number of discrete variables: 5 (pulse.count,$PRE.pulse.count,pulse.T_start,$PRE.pulse.T_start,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (282): * Single equations (assignments): 281 * Array equations: 0 * Algorithm blocks: 1 * 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 0.0003695/0.5413, allocations: 244 kB / 0.8618 GB, free: 4.863 MB / 0.7605 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002142/0.5415, allocations: 203.8 kB / 0.862 GB, free: 4.664 MB / 0.7605 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001216/0.5427, allocations: 1.091 MB / 0.863 GB, free: 3.559 MB / 0.7605 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.215e-05/0.5428, allocations: 27.94 kB / 0.8631 GB, free: 3.531 MB / 0.7605 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.115e-06/0.5428, allocations: 0 / 0.8631 GB, free: 3.531 MB / 0.7605 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0008098/0.5436, allocations: 0.9294 MB / 0.864 GB, free: 2.535 MB / 0.7605 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002911/0.5465, allocations: 2.588 MB / 0.8665 GB, free: 15.87 MB / 0.7762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.36e-06/0.5465, allocations: 4.312 kB / 0.8665 GB, free: 15.86 MB / 0.7762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001236/0.5477, allocations: 0.5352 MB / 0.867 GB, free: 15.32 MB / 0.7762 GB Notification: Performance of postOpt tearingSystem (simulation): time 8.185e-06/0.5477, allocations: 8 kB / 0.867 GB, free: 15.32 MB / 0.7762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.749e-05/0.5478, allocations: 47.97 kB / 0.8671 GB, free: 15.27 MB / 0.7762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 8.055e-06/0.5478, allocations: 12 kB / 0.8671 GB, free: 15.26 MB / 0.7762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.166e-06/0.5478, allocations: 3.938 kB / 0.8671 GB, free: 15.25 MB / 0.7762 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001777/0.5496, allocations: 1.632 MB / 0.8687 GB, free: 13.56 MB / 0.7762 GB Notification: Performance of postOpt removeConstants (simulation): time 0.000434/0.55, allocations: 339 kB / 0.869 GB, free: 13.23 MB / 0.7762 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001573/0.5502, allocations: 51.92 kB / 0.8691 GB, free: 13.18 MB / 0.7762 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005465/0.5507, allocations: 53.48 kB / 0.8691 GB, free: 13.13 MB / 0.7762 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001974/0.5509, allocations: 149.6 kB / 0.8693 GB, free: 12.98 MB / 0.7762 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.152e-05/0.551, allocations: 48.72 kB / 0.8693 GB, free: 12.93 MB / 0.7762 GB Notification: Performance of sorting global known variables: time 0.000355/0.5514, allocations: 0.5392 MB / 0.8698 GB, free: 12.39 MB / 0.7762 GB Notification: Performance of sort global known variables: time 7.1e-08/0.5514, allocations: 0 / 0.8698 GB, free: 12.39 MB / 0.7762 GB Notification: Performance of remove unused functions: time 0.001293/0.5527, allocations: 0.9589 MB / 0.8708 GB, free: 11.43 MB / 0.7762 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 11 * Number of states: 16 (volEas.dynBal.medium.Xi[1],volEas.dynBal.U,volEas.dynBal.m,volEas.dynBal.mC[1],oriOutBot.mExc,oriOutTop.mExc,oriWesTop.mExc,volWes.dynBal.medium.Xi[1],volWes.dynBal.U,volWes.dynBal.m,volWes.dynBal.mC[1],oriEasTop.mExc,volTop.dynBal.medium.Xi[1],volTop.dynBal.U,volTop.dynBal.m,volTop.dynBal.mC[1]) * Number of discrete variables: 3 ($whenCondition1,pulse.T_start,pulse.count) * Number of discrete states: 1 (pulse.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (217): * Single equations (assignments): 215 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * 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 0.0003328/0.553, allocations: 218.8 kB / 0.871 GB, free: 11.21 MB / 0.7762 GB Notification: Performance of simCode: created initialization part: time 0.001073/0.5541, allocations: 1.073 MB / 0.872 GB, free: 10.12 MB / 0.7762 GB Notification: Performance of simCode: created event and clocks part: time 1.862e-05/0.5541, allocations: 22.25 kB / 0.872 GB, free: 10.09 MB / 0.7762 GB Notification: Performance of simCode: created simulation system equations: time 0.0005297/0.5546, allocations: 0.5558 MB / 0.8726 GB, free: 9.535 MB / 0.7762 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002335/0.557, allocations: 1.221 MB / 0.8738 GB, free: 8.422 MB / 0.7762 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00468/0.5616, allocations: 4.467 MB / 0.8781 GB, free: 3.875 MB / 0.7762 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004393/0.5621, allocations: 0.611 MB / 0.8787 GB, free: 3.234 MB / 0.7762 GB Notification: Performance of simCode: alias equations: time 0.001012/0.5631, allocations: 390.8 kB / 0.8791 GB, free: 2.875 MB / 0.7762 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001577/0.5647, allocations: 0.7956 MB / 0.8799 GB, free: 2.062 MB / 0.7762 GB Notification: Performance of SimCode: time 1.062e-06/0.5647, allocations: 0 / 0.8799 GB, free: 2.062 MB / 0.7762 GB Notification: Performance of Templates: time 0.05143/0.6161, allocations: 46.57 MB / 0.9254 GB, free: 4.543 MB / 0.823 GB " [Timeout remaining time 659] make -j1 -f AixLib_AixLib.Airflow.Multizone.Examples.CO2TransportStep.makefile [Timeout 660] (rm -f AixLib_AixLib.Airflow.Multizone.Examples.CO2TransportStep.pipe ; mkfifo AixLib_AixLib.Airflow.Multizone.Examples.CO2TransportStep.pipe ; head -c 1048576 < AixLib_AixLib.Airflow.Multizone.Examples.CO2TransportStep.pipe >> ../files/AixLib_AixLib.Airflow.Multizone.Examples.CO2TransportStep.sim & ./AixLib_AixLib.Airflow.Multizone.Examples.CO2TransportStep -abortSlowSimulation -alarm=240 -s gbode -gbm=radauIIA3 -lv LOG_STATS > AixLib_AixLib.Airflow.Multizone.Examples.CO2TransportStep.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 5.956286191008985]