Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Templates.Plants.Controls.Utilities.Validation.TrueArrayConditional.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 0.001294/0.001294, allocations: 99.75 kB / 18.95 MB, free: 2.832 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 0.001513/0.001513, allocations: 218.5 kB / 22.25 MB, free: 5.105 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 1.453/1.453, allocations: 230.6 MB / 256 MB, free: 7.789 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo): time 3.118/3.118, allocations: 0.49 GB / 0.7951 GB, free: 35.36 MB / 0.6231 GB " [Timeout remaining time 177] Using package Buildings with version 12.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.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: "" <> buildModelFMU(Buildings.Templates.Plants.Controls.Utilities.Validation.TrueArrayConditional,fileNamePrefix="Buildings_12_Buildings_Templates_Plants_Controls_Utilities_Validation_TrueArrayConditional",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Templates.Plants.Controls.Utilities.Validation.TrueArrayConditional,fileNamePrefix="Buildings_12_Buildings_Templates_Plants_Controls_Utilities_Validation_TrueArrayConditional",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 0.002066/0.002066, allocations: 68.33 kB / 1.154 GB, free: 25.48 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.351/0.353, allocations: 176.1 MB / 1.326 GB, free: 1.492 MB / 1.014 GB Notification: Performance of NFInst.instantiate(Buildings.Templates.Plants.Controls.Utilities.Validation.TrueArrayConditional): time 0.002189/0.3552, allocations: 0.9035 MB / 1.327 GB, free: 0.5938 MB / 1.014 GB Notification: Performance of NFInst.instExpressions: time 0.002185/0.3574, allocations: 1.416 MB / 1.328 GB, free: 15.16 MB / 1.029 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001147/0.3575, allocations: 3.938 kB / 1.328 GB, free: 15.16 MB / 1.029 GB Notification: Performance of NFTyping.typeComponents: time 0.0003723/0.3579, allocations: 67.67 kB / 1.328 GB, free: 15.09 MB / 1.029 GB Notification: Performance of NFTyping.typeBindings: time 0.0001062/0.358, allocations: 63.67 kB / 1.328 GB, free: 15.03 MB / 1.029 GB Notification: Performance of NFTyping.typeClassSections: time 0.0009402/0.359, allocations: 331.7 kB / 1.329 GB, free: 14.71 MB / 1.029 GB Notification: Performance of NFFlatten.flatten: time 0.0005462/0.3595, allocations: 439.2 kB / 1.329 GB, free: 14.28 MB / 1.029 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0001476/0.3596, allocations: 38 kB / 1.329 GB, free: 14.24 MB / 1.029 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002066/0.3599, allocations: 171.6 kB / 1.329 GB, free: 14.07 MB / 1.029 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0003139/0.3602, allocations: 171.5 kB / 1.329 GB, free: 13.9 MB / 1.029 GB Notification: Performance of NFPackage.collectConstants: time 7.922e-05/0.3602, allocations: 40 kB / 1.329 GB, free: 13.86 MB / 1.029 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0001526/0.3604, allocations: 63.98 kB / 1.329 GB, free: 13.8 MB / 1.029 GB Notification: Performance of NFScalarize.scalarize: time 0.0001675/0.3606, allocations: 83.72 kB / 1.33 GB, free: 13.72 MB / 1.029 GB Notification: Performance of NFVerifyModel.verify: time 0.0001815/0.3608, allocations: 135.5 kB / 1.33 GB, free: 13.59 MB / 1.029 GB Notification: Performance of NFConvertDAE.convert: time 0.0005108/0.3613, allocations: 434.6 kB / 1.33 GB, free: 13.16 MB / 1.029 GB Notification: Performance of FrontEnd - DAE generated: time 3.416e-06/0.3613, allocations: 0 / 1.33 GB, free: 13.16 MB / 1.029 GB Notification: Performance of FrontEnd: time 1.673e-06/0.3613, allocations: 3.938 kB / 1.33 GB, free: 13.16 MB / 1.029 GB Notification: Performance of Transformations before backend: time 9.578e-06/0.3613, allocations: 0 / 1.33 GB, free: 13.16 MB / 1.029 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 26 * Number of variables: 26 Notification: Performance of Generate backend data structure: time 0.001005/0.3623, allocations: 0.5935 MB / 1.331 GB, free: 12.5 MB / 1.029 GB Notification: Performance of prepare preOptimizeDAE: time 4.365e-05/0.3623, allocations: 8.031 kB / 1.331 GB, free: 12.5 MB / 1.029 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 5.712e-05/0.3624, allocations: 46.73 kB / 1.331 GB, free: 12.44 MB / 1.029 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001029/0.3625, allocations: 32.8 kB / 1.331 GB, free: 12.41 MB / 1.029 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.000472/0.363, allocations: 239 kB / 1.331 GB, free: 12.15 MB / 1.029 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.933e-05/0.363, allocations: 20.36 kB / 1.331 GB, free: 12.13 MB / 1.029 GB Notification: Performance of preOpt expandDerOperator (simulation): time 6.846e-05/0.3631, allocations: 28.31 kB / 1.331 GB, free: 12.1 MB / 1.029 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004114/0.3635, allocations: 265.5 kB / 1.331 GB, free: 11.82 MB / 1.029 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.128e-05/0.3635, allocations: 3.938 kB / 1.331 GB, free: 11.82 MB / 1.029 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.172e-05/0.3635, allocations: 4 kB / 1.331 GB, free: 11.82 MB / 1.029 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.362e-06/0.3635, allocations: 7.938 kB / 1.331 GB, free: 11.81 MB / 1.029 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0002831/0.3638, allocations: 207.3 kB / 1.331 GB, free: 11.59 MB / 1.029 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001059/0.3648, allocations: 0.5306 MB / 1.332 GB, free: 11.02 MB / 1.029 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0005059/0.3654, allocations: 286 kB / 1.332 GB, free: 10.72 MB / 1.029 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002719/0.3656, allocations: 216.2 kB / 1.332 GB, free: 10.49 MB / 1.029 GB Notification: Performance of preOpt evalFunc (simulation): time 1.764e-05/0.3656, allocations: 4 kB / 1.332 GB, free: 10.49 MB / 1.029 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0004607/0.3661, allocations: 308 kB / 1.333 GB, free: 10.16 MB / 1.029 GB Notification: Performance of pre-optimization done (n=27): time 2.054e-06/0.3661, allocations: 0 / 1.333 GB, free: 10.16 MB / 1.029 GB Notification: Performance of matching and sorting (n=27): time 0.00106/0.3672, allocations: 0.7145 MB / 1.333 GB, free: 9.406 MB / 1.029 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.498e-05/0.3673, allocations: 118.8 kB / 1.334 GB, free: 9.266 MB / 1.029 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002682/0.3675, allocations: 245.4 kB / 1.334 GB, free: 9.016 MB / 1.029 GB Notification: Performance of collectPreVariables (initialization): time 6.356e-05/0.3676, allocations: 37.7 kB / 1.334 GB, free: 8.973 MB / 1.029 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001197/0.3677, allocations: 124.7 kB / 1.334 GB, free: 8.848 MB / 1.029 GB Notification: Performance of collectInitialBindings (initialization): time 6.647e-05/0.3678, allocations: 71.52 kB / 1.334 GB, free: 8.777 MB / 1.029 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001865/0.368, allocations: 97.66 kB / 1.334 GB, free: 8.676 MB / 1.029 GB Notification: Performance of setup shared object (initialization): time 0.0001581/0.3681, allocations: 342.8 kB / 1.334 GB, free: 8.332 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004044/0.3685, allocations: 310.7 kB / 1.335 GB, free: 8.004 MB / 1.029 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006133/0.3691, allocations: 0.5637 MB / 1.335 GB, free: 7.336 MB / 1.029 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006173/0.3697, allocations: 0.5189 MB / 1.336 GB, free: 6.746 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.236e-06/0.3698, allocations: 0 / 1.336 GB, free: 6.746 MB / 1.029 GB Notification: Performance of matching and sorting (n=38) (initialization): time 0.001096/0.3708, allocations: 0.7571 MB / 1.337 GB, free: 5.934 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001134/0.371, allocations: 138.8 kB / 1.337 GB, free: 5.773 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.005e-05/0.371, allocations: 7.984 kB / 1.337 GB, free: 5.766 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.8e-05/0.371, allocations: 4 kB / 1.337 GB, free: 5.762 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001205/0.3711, allocations: 23.92 kB / 1.337 GB, free: 5.738 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.477e-06/0.3711, allocations: 4 kB / 1.337 GB, free: 5.734 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005813/0.3717, allocations: 88.11 kB / 1.337 GB, free: 5.648 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.238e-05/0.3718, allocations: 27.92 kB / 1.337 GB, free: 5.621 MB / 1.029 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 11 * Number of states: 0 () * Number of discrete variables: 33 ($PRE.truArrConSam.u,$PRE.truArrConGre.u,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition3,$whenCondition4,$whenCondition1,$whenCondition2,truArrConGre.iIdx,truArrConGre.iTru,truArrConGre.y1[4],truArrConGre.y1[3],truArrConGre.y1[2],truArrConGre.y1[1],truArrConGre.uIdx[2],truArrConGre.uIdx[1],truArrConGre.u,uTru.idx,$PRE.uTru.idx,uTru.y[1],$PRE.uTru.y[1],uIdx2.booPul.y,$PRE.uIdx2.booPul.y,uIdx1.booPul.y,$PRE.uIdx1.booPul.y,truArrConSam.iIdx,truArrConSam.iTru,truArrConSam.y1[2],truArrConSam.y1[1],truArrConSam.uIdx[2],truArrConSam.uIdx[1],truArrConSam.u) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (26): * Single equations (assignments): 22 * Array equations: 0 * Algorithm blocks: 4 * 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 0.000296/0.3721, allocations: 239.7 kB / 1.337 GB, free: 5.363 MB / 1.029 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 5.062e-05/0.3721, allocations: 27.86 kB / 1.337 GB, free: 5.336 MB / 1.029 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 4.952e-05/0.3722, allocations: 22.64 kB / 1.337 GB, free: 5.316 MB / 1.029 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.913e-06/0.3722, allocations: 8 kB / 1.337 GB, free: 5.309 MB / 1.029 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.25e-06/0.3722, allocations: 0 / 1.337 GB, free: 5.309 MB / 1.029 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.007e-06/0.3722, allocations: 0 / 1.337 GB, free: 5.309 MB / 1.029 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0013/0.3735, allocations: 0.9025 MB / 1.338 GB, free: 4.328 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.204e-06/0.3735, allocations: 0 / 1.338 GB, free: 4.328 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 5.814e-05/0.3735, allocations: 16.05 kB / 1.338 GB, free: 4.312 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.645e-06/0.3735, allocations: 0 / 1.338 GB, free: 4.312 MB / 1.029 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.211e-05/0.3736, allocations: 19.88 kB / 1.338 GB, free: 4.293 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.993e-06/0.3736, allocations: 0 / 1.338 GB, free: 4.293 MB / 1.029 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.763e-06/0.3736, allocations: 3.938 kB / 1.338 GB, free: 4.289 MB / 1.029 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0008148/0.3744, allocations: 0.6369 MB / 1.339 GB, free: 3.613 MB / 1.029 GB Notification: Performance of postOpt removeConstants (simulation): time 4.679e-05/0.3744, allocations: 31.78 kB / 1.339 GB, free: 3.582 MB / 1.029 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.58e-05/0.3745, allocations: 23.92 kB / 1.339 GB, free: 3.559 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001586/0.3747, allocations: 8 kB / 1.339 GB, free: 3.551 MB / 1.029 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001281/0.3748, allocations: 51.94 kB / 1.339 GB, free: 3.5 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.061e-05/0.3748, allocations: 12 kB / 1.339 GB, free: 3.488 MB / 1.029 GB Notification: Performance of sorting global known variables: time 0.0001949/0.375, allocations: 176.5 kB / 1.339 GB, free: 3.316 MB / 1.029 GB Notification: Performance of sort global known variables: time 9e-08/0.375, allocations: 0 / 1.339 GB, free: 3.316 MB / 1.029 GB Notification: Performance of remove unused functions: time 0.0004309/0.3754, allocations: 79.94 kB / 1.339 GB, free: 3.238 MB / 1.029 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 27 (truArrConSam.u,truArrConGre.u,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition3,$whenCondition4,$whenCondition1,$whenCondition2,truArrConSam.uIdx[1],truArrConSam.uIdx[2],truArrConSam.y1[1],truArrConSam.y1[2],truArrConSam.iTru,truArrConSam.iIdx,uIdx1.booPul.y,uIdx2.booPul.y,uTru.y[1],uTru.idx,truArrConGre.uIdx[1],truArrConGre.uIdx[2],truArrConGre.y1[1],truArrConGre.y1[2],truArrConGre.y1[3],truArrConGre.y1[4],truArrConGre.iTru,truArrConGre.iIdx) * Number of discrete states: 10 (truArrConGre.y1[4],truArrConGre.y1[3],truArrConGre.y1[2],truArrConGre.y1[1],truArrConGre.iIdx,truArrConGre.iTru,truArrConSam.y1[2],truArrConSam.y1[1],truArrConSam.iIdx,truArrConSam.iTru) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (19): * Single equations (assignments): 13 * Array equations: 0 * Algorithm blocks: 2 * Record equations: 0 * When equations: 4 * 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 0.001297/0.3767, allocations: 1.234 MB / 1.34 GB, free: 1.953 MB / 1.029 GB Notification: Performance of simCode: created initialization part: time 0.001049/0.3778, allocations: 0.847 MB / 1.341 GB, free: 1.02 MB / 1.029 GB Notification: Performance of simCode: created event and clocks part: time 2.324e-06/0.3778, allocations: 0 / 1.341 GB, free: 1.02 MB / 1.029 GB Notification: Performance of simCode: created simulation system equations: time 0.0004054/0.3782, allocations: 362 kB / 1.341 GB, free: 0.6289 MB / 1.029 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004617/0.3787, allocations: 49.02 kB / 1.341 GB, free: 0.582 MB / 1.029 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005156/0.3838, allocations: 4.17 MB / 1.346 GB, free: 12.14 MB / 1.045 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001386/0.384, allocations: 132.6 kB / 1.346 GB, free: 11.99 MB / 1.045 GB Notification: Performance of simCode: alias equations: time 0.0001349/0.3841, allocations: 41.86 kB / 1.346 GB, free: 11.95 MB / 1.045 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001121/0.3842, allocations: 71.34 kB / 1.346 GB, free: 11.88 MB / 1.045 GB Notification: Performance of SimCode: time 5.91e-07/0.3842, allocations: 4 kB / 1.346 GB, free: 11.88 MB / 1.045 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.03759/0.4218, allocations: 8.16 MB / 1.354 GB, free: 3.961 MB / 1.045 GB Notification: Performance of buildModelFMU: Generate platform static: time 11.79/12.21, allocations: 11.72 kB / 1.354 GB, free: 3.953 MB / 1.045 GB " [Timeout remaining time 288] (rm -f Buildings_12_Buildings.Templates.Plants.Controls.Utilities.Validation.TrueArrayConditional.pipe ; mkfifo Buildings_12_Buildings.Templates.Plants.Controls.Utilities.Validation.TrueArrayConditional.pipe ; head -c 1048576 < Buildings_12_Buildings.Templates.Plants.Controls.Utilities.Validation.TrueArrayConditional.pipe >> ../files/Buildings_12_Buildings.Templates.Plants.Controls.Utilities.Validation.TrueArrayConditional.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_12_Buildings.Templates.Plants.Controls.Utilities.Validation.TrueArrayConditional_res.mat --tempDir=temp_Buildings_12_Buildings_Templates_Plants_Controls_Utilities_Validation_TrueArrayConditional_fmu --startTime=0 --stopTime=5 --stepSize=0.002 --timeout=400 --tolerance=1e-06 Buildings_12_Buildings_Templates_Plants_Controls_Utilities_Validation_TrueArrayConditional.fmu > Buildings_12_Buildings.Templates.Plants.Controls.Utilities.Validation.TrueArrayConditional.pipe 2>&1) [Timeout 420.0] diffSimulationResults("Buildings_12_Buildings.Templates.Plants.Controls.Utilities.Validation.TrueArrayConditional_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Templates_Plants_Controls_Utilities_Validation_TrueArrayConditional.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Templates.Plants.Controls.Utilities.Validation.TrueArrayConditional.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: 18.820438727008877]