Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.OnOffPeriod.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 0.001454/0.001454, allocations: 80.88 kB / 20.82 MB, free: 3.629 MB / 18.57 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 0.001611/0.001611, allocations: 165 kB / 24.25 MB, free: 208 kB / 18.57 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 0.939/0.939, allocations: 177.2 MB / 204.7 MB, free: 5.461 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo): time 1.96/1.96, allocations: 389.6 MB / 0.6355 GB, free: 12.28 MB / 0.6042 GB " [Timeout remaining time 177] Using package Buildings with version 13.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/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: translateModel(Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.OnOffPeriod,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.OnOffPeriod") translateModel(Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.OnOffPeriod,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.OnOffPeriod") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.833e-06/1.833e-06, allocations: 0 / 0.7754 GB, free: 5.277 MB / 0.7292 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.216e-05/1.4e-05, allocations: 5.75 kB / 0.7754 GB, free: 5.273 MB / 0.7292 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.OnOffPeriod): time 0.001702/0.001716, allocations: 1.337 MB / 0.7767 GB, free: 3.965 MB / 0.7292 GB Notification: Performance of NFInst.instExpressions: time 0.001535/0.003251, allocations: 1.506 MB / 0.7782 GB, free: 2.449 MB / 0.7292 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001466/0.003398, allocations: 4 kB / 0.7782 GB, free: 2.445 MB / 0.7292 GB Notification: Performance of NFTyping.typeComponents: time 0.0001424/0.00354, allocations: 44.62 kB / 0.7782 GB, free: 2.402 MB / 0.7292 GB Notification: Performance of NFTyping.typeBindings: time 8.725e-05/0.003628, allocations: 50.86 kB / 0.7783 GB, free: 2.359 MB / 0.7292 GB Notification: Performance of NFTyping.typeClassSections: time 0.0005254/0.004153, allocations: 312.7 kB / 0.7785 GB, free: 2.055 MB / 0.7292 GB Notification: Performance of NFFlatten.flatten: time 0.0003544/0.004508, allocations: 472.5 kB / 0.779 GB, free: 1.594 MB / 0.7292 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0001985/0.004706, allocations: 166.7 kB / 0.7792 GB, free: 1.434 MB / 0.7292 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002107/0.004917, allocations: 263.5 kB / 0.7794 GB, free: 1.176 MB / 0.7292 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001346/0.005051, allocations: 119.6 kB / 0.7795 GB, free: 1.059 MB / 0.7292 GB Notification: Performance of NFPackage.collectConstants: time 4.74e-05/0.005099, allocations: 53.03 kB / 0.7796 GB, free: 1.008 MB / 0.7292 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0001021/0.005201, allocations: 59.98 kB / 0.7796 GB, free: 0.9492 MB / 0.7292 GB Notification: Performance of NFScalarize.scalarize: time 4.408e-05/0.005245, allocations: 76.25 kB / 0.7797 GB, free: 0.875 MB / 0.7292 GB Notification: Performance of NFVerifyModel.verify: time 8.708e-05/0.005332, allocations: 131.7 kB / 0.7798 GB, free: 0.7461 MB / 0.7292 GB Notification: Performance of NFConvertDAE.convert: time 0.0002702/0.005602, allocations: 327.6 kB / 0.7801 GB, free: 436 kB / 0.7292 GB Notification: Performance of FrontEnd - DAE generated: time 2.034e-06/0.005604, allocations: 0 / 0.7801 GB, free: 436 kB / 0.7292 GB Notification: Performance of FrontEnd: time 5.01e-07/0.005605, allocations: 2.125 kB / 0.7801 GB, free: 436 kB / 0.7292 GB Notification: Performance of Transformations before backend: time 4.358e-06/0.005609, allocations: 0 / 0.7801 GB, free: 436 kB / 0.7292 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 72 * Number of variables: 72 Notification: Performance of Generate backend data structure: time 0.0004746/0.006084, allocations: 0.5443 MB / 0.7807 GB, free: 15.84 MB / 0.7448 GB Notification: Performance of prepare preOptimizeDAE: time 3.292e-05/0.006117, allocations: 13.34 kB / 0.7807 GB, free: 15.83 MB / 0.7448 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 6.524e-05/0.006182, allocations: 52.89 kB / 0.7807 GB, free: 15.78 MB / 0.7448 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002297/0.006412, allocations: 239.9 kB / 0.781 GB, free: 15.52 MB / 0.7448 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.78e-05/0.006429, allocations: 21.03 kB / 0.781 GB, free: 15.5 MB / 0.7448 GB Notification: Performance of preOpt expandDerOperator (simulation): time 3.295e-05/0.006462, allocations: 40.38 kB / 0.781 GB, free: 15.46 MB / 0.7448 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0001817/0.006644, allocations: 183.3 kB / 0.7812 GB, free: 15.28 MB / 0.7448 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.636e-06/0.006653, allocations: 192 / 0.7812 GB, free: 15.28 MB / 0.7448 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.457e-05/0.006667, allocations: 12.38 kB / 0.7812 GB, free: 15.27 MB / 0.7448 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.608e-06/0.006677, allocations: 15.3 kB / 0.7812 GB, free: 15.25 MB / 0.7448 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 7.158e-05/0.006748, allocations: 64.5 kB / 0.7813 GB, free: 15.19 MB / 0.7448 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.000604/0.007352, allocations: 0.5203 MB / 0.7818 GB, free: 14.65 MB / 0.7448 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0001611/0.007513, allocations: 122.4 kB / 0.7819 GB, free: 14.52 MB / 0.7448 GB Notification: Performance of preOpt resolveLoops (simulation): time 6.508e-05/0.007579, allocations: 48.83 kB / 0.782 GB, free: 14.47 MB / 0.7448 GB Notification: Performance of preOpt evalFunc (simulation): time 1.651e-05/0.007595, allocations: 5.625 kB / 0.782 GB, free: 14.47 MB / 0.7448 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0001258/0.007721, allocations: 135.2 kB / 0.7821 GB, free: 14.32 MB / 0.7448 GB Notification: Performance of pre-optimization done (n=29): time 1.573e-06/0.007722, allocations: 0 / 0.7821 GB, free: 14.32 MB / 0.7448 GB Notification: Performance of matching and sorting (n=29): time 0.0001816/0.007904, allocations: 161.6 kB / 0.7822 GB, free: 14.16 MB / 0.7448 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.121e-05/0.007935, allocations: 64.25 kB / 0.7823 GB, free: 14.09 MB / 0.7448 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 9.937e-05/0.008035, allocations: 196.4 kB / 0.7825 GB, free: 13.88 MB / 0.7448 GB Notification: Performance of collectPreVariables (initialization): time 2.744e-05/0.008062, allocations: 46.89 kB / 0.7825 GB, free: 13.83 MB / 0.7448 GB Notification: Performance of collectInitialEqns (initialization): time 8.014e-05/0.008142, allocations: 172.5 kB / 0.7827 GB, free: 13.66 MB / 0.7448 GB Notification: Performance of collectInitialBindings (initialization): time 3.656e-05/0.008179, allocations: 67.5 kB / 0.7828 GB, free: 13.59 MB / 0.7448 GB Notification: Performance of simplifyInitialFunctions (initialization): time 8.646e-05/0.008265, allocations: 99.31 kB / 0.7829 GB, free: 13.49 MB / 0.7448 GB Notification: Performance of setup shared object (initialization): time 7.929e-05/0.008345, allocations: 342.7 kB / 0.7832 GB, free: 13.14 MB / 0.7448 GB Notification: Performance of preBalanceInitialSystem (initialization): time 9.573e-05/0.00844, allocations: 119.9 kB / 0.7833 GB, free: 13.02 MB / 0.7448 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001267/0.008567, allocations: 232.7 kB / 0.7835 GB, free: 12.74 MB / 0.7448 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0001872/0.008754, allocations: 277 kB / 0.7838 GB, free: 12.42 MB / 0.7448 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.104e-06/0.008756, allocations: 0 / 0.7838 GB, free: 12.42 MB / 0.7448 GB Notification: Performance of matching and sorting (n=47) (initialization): time 0.0002822/0.009038, allocations: 382.4 kB / 0.7842 GB, free: 12.02 MB / 0.7448 GB Notification: Performance of prepare postOptimizeDAE: time 4.23e-05/0.009081, allocations: 67.39 kB / 0.7842 GB, free: 11.95 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.502e-06/0.009087, allocations: 4.938 kB / 0.7842 GB, free: 11.94 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (initialization): time 9.037e-06/0.009096, allocations: 4 kB / 0.7842 GB, free: 11.94 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001033/0.0092, allocations: 44.44 kB / 0.7843 GB, free: 11.89 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.06e-06/0.009205, allocations: 5.781 kB / 0.7843 GB, free: 11.89 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001428/0.009347, allocations: 59.8 kB / 0.7843 GB, free: 11.83 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.292e-05/0.00937, allocations: 15.98 kB / 0.7844 GB, free: 11.82 MB / 0.7448 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 13 * Number of states: 0 () * Number of discrete variables: 34 (onOffPer.timOffRec.yRec.y,$PRE.onOffPer.timOffRec.yRec.y,onOffPer.timOnRec.yRec.y,$PRE.onOffPer.timOnRec.yRec.y,$whenCondition7,$whenCondition8,$whenCondition5,$whenCondition6,relSwi.y,$PRE.relSwi.y,$whenCondition1,$whenCondition2,retSig.y,$PRE.retSig.y,onOffPer.timOffRec.edgThr.y,onOffPer.timOffRec.edgThr.u,$PRE.onOffPer.timOffRec.edgThr.u,onOffPer.timOffRec.edgRes.u,$PRE.onOffPer.timOffRec.edgRes.u,onOffPer.timOffRec.samTri.y,onOffPer.timOffRec.samTri.u2,onOffPer.timOnRec.edgThr.y,onOffPer.timOnRec.edgThr.u,$PRE.onOffPer.timOnRec.edgThr.u,onOffPer.timOnRec.edgRes.u,$PRE.onOffPer.timOnRec.edgRes.u,onOffPer.timOnRec.samTri.y,onOffPer.timOnRec.samTri.u2,onOffPer.timOff.y,$PRE.onOffPer.timOff.y,onOffPer.timOn.y,$PRE.onOffPer.timOn.y,$whenCondition3,$whenCondition4) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (43): * Single equations (assignments): 41 * Array equations: 0 * Algorithm blocks: 2 * 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 0.0001073/0.009478, allocations: 169 kB / 0.7845 GB, free: 11.65 MB / 0.7448 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 2.109e-05/0.009499, allocations: 19.98 kB / 0.7845 GB, free: 11.63 MB / 0.7448 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 3.624e-05/0.009535, allocations: 26.66 kB / 0.7846 GB, free: 11.61 MB / 0.7448 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.258e-06/0.009539, allocations: 7.984 kB / 0.7846 GB, free: 11.6 MB / 0.7448 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.405e-06/0.009542, allocations: 0 / 0.7846 GB, free: 11.6 MB / 0.7448 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.107e-06/0.009546, allocations: 3.031 kB / 0.7846 GB, free: 11.6 MB / 0.7448 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0003418/0.009888, allocations: 392.4 kB / 0.7849 GB, free: 11.19 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.393e-06/0.009889, allocations: 0 / 0.7849 GB, free: 11.19 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 3.489e-05/0.009924, allocations: 19.92 kB / 0.785 GB, free: 11.17 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.864e-06/0.009926, allocations: 0 / 0.785 GB, free: 11.17 MB / 0.7448 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.015e-06/0.009934, allocations: 4 kB / 0.785 GB, free: 11.17 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.724e-06/0.009935, allocations: 4 kB / 0.785 GB, free: 11.16 MB / 0.7448 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.013e-06/0.009937, allocations: 3.938 kB / 0.785 GB, free: 11.16 MB / 0.7448 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0001368/0.01007, allocations: 239.2 kB / 0.7852 GB, free: 10.91 MB / 0.7448 GB Notification: Performance of postOpt removeConstants (simulation): time 1.416e-05/0.01009, allocations: 19.86 kB / 0.7852 GB, free: 10.89 MB / 0.7448 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 1.771e-05/0.01011, allocations: 8 kB / 0.7852 GB, free: 10.88 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 3.771e-05/0.01014, allocations: 7.984 kB / 0.7852 GB, free: 10.88 MB / 0.7448 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 3.934e-05/0.01018, allocations: 28.94 kB / 0.7853 GB, free: 10.85 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.436e-06/0.01019, allocations: 7.984 kB / 0.7853 GB, free: 10.84 MB / 0.7448 GB Notification: Performance of sorting global known variables: time 3.18e-05/0.01022, allocations: 48.75 kB / 0.7853 GB, free: 10.79 MB / 0.7448 GB Notification: Performance of sort global known variables: time 5e-08/0.01022, allocations: 1 kB / 0.7853 GB, free: 10.79 MB / 0.7448 GB Notification: Performance of remove unused functions: time 0.0002021/0.01043, allocations: 83.78 kB / 0.7854 GB, free: 10.71 MB / 0.7448 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 24 (onOffPer.timOnRec.samTri.y,onOffPer.timOffRec.samTri.y,$whenCondition7,$whenCondition8,$whenCondition5,$whenCondition6,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,onOffPer.timOn.y,onOffPer.timOff.y,onOffPer.timOnRec.yRec.y,onOffPer.timOnRec.samTri.u2,onOffPer.timOnRec.edgRes.u,onOffPer.timOnRec.edgThr.u,onOffPer.timOnRec.edgThr.y,onOffPer.timOffRec.yRec.y,onOffPer.timOffRec.samTri.u2,onOffPer.timOffRec.edgRes.u,onOffPer.timOffRec.edgThr.u,onOffPer.timOffRec.edgThr.y,relSwi.y,retSig.y) * Number of discrete states: 4 (onOffPer.timOnRec.edgRes.u,onOffPer.timOffRec.edgRes.u,onOffPer.timOffRec.edgThr.u,onOffPer.timOnRec.edgThr.u) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (29): * Single equations (assignments): 23 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 6 * 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 0.000107/0.01053, allocations: 106.3 kB / 0.7855 GB, free: 10.59 MB / 0.7448 GB Notification: Performance of simCode: created initialization part: time 0.0002663/0.0108, allocations: 368.2 kB / 0.7858 GB, free: 10.2 MB / 0.7448 GB Notification: Performance of simCode: created event and clocks part: time 3.697e-06/0.0108, allocations: 0 / 0.7858 GB, free: 10.2 MB / 0.7448 GB Notification: Performance of simCode: created simulation system equations: time 6.094e-05/0.01086, allocations: 73.72 kB / 0.7859 GB, free: 10.12 MB / 0.7448 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0001771/0.01104, allocations: 50.3 kB / 0.786 GB, free: 10.08 MB / 0.7448 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0004673/0.01151, allocations: 454.9 kB / 0.7864 GB, free: 9.605 MB / 0.7448 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 4.638e-05/0.01155, allocations: 84.33 kB / 0.7865 GB, free: 9.504 MB / 0.7448 GB Notification: Performance of simCode: alias equations: time 6.139e-05/0.01162, allocations: 28.59 kB / 0.7865 GB, free: 9.48 MB / 0.7448 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001359/0.01175, allocations: 113.1 kB / 0.7866 GB, free: 9.371 MB / 0.7448 GB Notification: Performance of SimCode: time 5.11e-07/0.01175, allocations: 0 / 0.7866 GB, free: 9.371 MB / 0.7448 GB Notification: Performance of Templates: time 0.005385/0.01714, allocations: 3.845 MB / 0.7904 GB, free: 5.742 MB / 0.7448 GB " [Timeout remaining time 300] make -j1 -f Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.OnOffPeriod.makefile [Timeout 300] (rm -f Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.OnOffPeriod.pipe ; mkfifo Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.OnOffPeriod.pipe ; head -c 1048576 < Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.OnOffPeriod.pipe >> ../files/Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.OnOffPeriod.sim & ./Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.OnOffPeriod -abortSlowSimulation -alarm=240 -lv LOG_STATS > Buildings_13_Buildings.Controls.OBC.Utilities.PIDWithAutotuning.Relay.BaseClasses.Validation.OnOffPeriod.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 5.191390093415976]