Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.MixingVolumes.Validation.TraceSubstanceConservationDynamicBalance.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 0.001736/0.001736, allocations: 104.8 kB / 16.45 MB, free: 6.453 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 0.001393/0.001393, allocations: 216.2 kB / 19.43 MB, free: 3.625 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 1.395/1.395, allocations: 230.6 MB / 252.8 MB, free: 8.961 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 3.169/3.169, allocations: 0.505 GB / 0.8066 GB, free: 23.09 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.Fluid.MixingVolumes.Validation.TraceSubstanceConservationDynamicBalance,fileNamePrefix="Buildings_latest_Buildings_Fluid_MixingVolumes_Validation_TraceSubstanceConservationDynamicBalance",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.MixingVolumes.Validation.TraceSubstanceConservationDynamicBalance,fileNamePrefix="Buildings_latest_Buildings_Fluid_MixingVolumes_Validation_TraceSubstanceConservationDynamicBalance",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 0.002131/0.002131, allocations: 71.12 kB / 1.172 GB, free: 17.46 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3406/0.3427, allocations: 180.2 MB / 1.348 GB, free: 9.949 MB / 1.045 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.MixingVolumes.Validation.TraceSubstanceConservationDynamicBalance): time 0.2311/0.5739, allocations: 190.9 MB / 1.534 GB, free: 10.32 MB / 1.232 GB Notification: Performance of NFInst.instExpressions: time 0.02047/0.5944, allocations: 13.16 MB / 1.547 GB, free: 13.12 MB / 1.248 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001573/0.5959, allocations: 43.62 kB / 1.547 GB, free: 13.07 MB / 1.248 GB Notification: Performance of NFTyping.typeComponents: time 0.001974/0.5979, allocations: 437.1 kB / 1.548 GB, free: 12.64 MB / 1.248 GB Notification: Performance of NFTyping.typeBindings: time 0.003856/0.6018, allocations: 1.198 MB / 1.549 GB, free: 11.44 MB / 1.248 GB Notification: Performance of NFTyping.typeClassSections: time 0.002169/0.6039, allocations: 0.7018 MB / 1.549 GB, free: 10.74 MB / 1.248 GB Notification: Performance of NFFlatten.flatten: time 0.003215/0.6071, allocations: 2.007 MB / 1.551 GB, free: 8.727 MB / 1.248 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001555/0.6087, allocations: 0.6911 MB / 1.552 GB, free: 8.012 MB / 1.248 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005302/0.614, allocations: 2.036 MB / 1.554 GB, free: 5.969 MB / 1.248 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002128/0.6161, allocations: 0.703 MB / 1.555 GB, free: 5.27 MB / 1.248 GB Notification: Performance of NFPackage.collectConstants: time 0.0003037/0.6164, allocations: 80 kB / 1.555 GB, free: 5.191 MB / 1.248 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002092/0.6185, allocations: 0.9081 MB / 1.556 GB, free: 4.281 MB / 1.248 GB Notification: Performance of NFScalarize.scalarize: time 0.0006065/0.6191, allocations: 394.8 kB / 1.556 GB, free: 3.895 MB / 1.248 GB Notification: Performance of NFVerifyModel.verify: time 0.001039/0.6202, allocations: 0.5014 MB / 1.557 GB, free: 3.391 MB / 1.248 GB Notification: Performance of NFConvertDAE.convert: time 0.002987/0.6232, allocations: 1.499 MB / 1.558 GB, free: 1.887 MB / 1.248 GB Notification: Performance of FrontEnd - DAE generated: time 5.45e-06/0.6232, allocations: 0 / 1.558 GB, free: 1.887 MB / 1.248 GB Notification: Performance of FrontEnd: time 1.312e-06/0.6232, allocations: 4 kB / 1.558 GB, free: 1.883 MB / 1.248 GB Notification: Performance of Transformations before backend: time 4.542e-05/0.6232, allocations: 3.938 kB / 1.558 GB, free: 1.879 MB / 1.248 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 186 * Number of variables: 186 Notification: Performance of Generate backend data structure: time 0.002478/0.6257, allocations: 1.257 MB / 1.559 GB, free: 0.5703 MB / 1.248 GB Notification: Performance of prepare preOptimizeDAE: time 4.366e-05/0.6257, allocations: 11.98 kB / 1.559 GB, free: 0.5586 MB / 1.248 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0002046/0.6259, allocations: 130.5 kB / 1.559 GB, free: 432 kB / 1.248 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001346/0.6273, allocations: 215.2 kB / 1.56 GB, free: 216 kB / 1.248 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001414/0.6287, allocations: 0.6837 MB / 1.56 GB, free: 15.48 MB / 1.264 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.3e-05/0.6288, allocations: 65.97 kB / 1.56 GB, free: 15.42 MB / 1.264 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001717/0.6289, allocations: 76 kB / 1.56 GB, free: 15.34 MB / 1.264 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001638/0.6306, allocations: 0.9365 MB / 1.561 GB, free: 14.32 MB / 1.264 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.414e-05/0.6306, allocations: 0 / 1.561 GB, free: 14.32 MB / 1.264 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.758e-05/0.6307, allocations: 35.94 kB / 1.561 GB, free: 14.29 MB / 1.264 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.86e-05/0.6307, allocations: 29.31 kB / 1.561 GB, free: 14.26 MB / 1.264 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00119/0.6319, allocations: 0.6255 MB / 1.562 GB, free: 13.63 MB / 1.264 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 0.005616/0.6375, allocations: 4.658 MB / 1.567 GB, free: 8.664 MB / 1.264 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0009328/0.6385, allocations: 0.5184 MB / 1.567 GB, free: 8.102 MB / 1.264 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003862/0.6389, allocations: 247.5 kB / 1.567 GB, free: 7.852 MB / 1.264 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002095/0.6391, allocations: 101.1 kB / 1.567 GB, free: 7.734 MB / 1.264 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.141e-05/0.6391, allocations: 38.5 kB / 1.567 GB, free: 7.688 MB / 1.264 GB Notification: Performance of pre-optimization done (n=43): time 2.735e-06/0.6391, allocations: 0 / 1.567 GB, free: 7.688 MB / 1.264 GB Notification: Performance of matching and sorting (n=45): time 0.003285/0.6424, allocations: 1.625 MB / 1.569 GB, free: 6.008 MB / 1.264 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.87e-05/0.6425, allocations: 110.8 kB / 1.569 GB, free: 5.875 MB / 1.264 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001016/0.6435, allocations: 0.7116 MB / 1.57 GB, free: 5.152 MB / 1.264 GB Notification: Performance of collectPreVariables (initialization): time 6.765e-05/0.6436, allocations: 37.7 kB / 1.57 GB, free: 5.109 MB / 1.264 GB Notification: Performance of collectInitialEqns (initialization): time 0.000352/0.6439, allocations: 420.6 kB / 1.57 GB, free: 4.691 MB / 1.264 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001878/0.6441, allocations: 174.5 kB / 1.57 GB, free: 4.52 MB / 1.264 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001987/0.6443, allocations: 118.4 kB / 1.57 GB, free: 4.398 MB / 1.264 GB Notification: Performance of setup shared object (initialization): time 0.0001481/0.6444, allocations: 330 kB / 1.571 GB, free: 4.07 MB / 1.264 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003214/0.6448, allocations: 185.2 kB / 1.571 GB, free: 3.891 MB / 1.264 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005309/0.6453, allocations: 417 kB / 1.571 GB, free: 3.387 MB / 1.264 GB Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: vol.dynBal.medium.p = vol.dynBal.p_start (sin.p = vol.dynBal.p_start) Notification: Performance of analyzeInitialSystem (initialization): time 0.002509/0.6478, allocations: 1.181 MB / 1.573 GB, free: 2.102 MB / 1.264 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.204e-06/0.6478, allocations: 8 kB / 1.573 GB, free: 2.094 MB / 1.264 GB Notification: Performance of matching and sorting (n=74) (initialization): time 0.001261/0.6491, allocations: 0.6723 MB / 1.573 GB, free: 1.414 MB / 1.264 GB Notification: Performance of prepare postOptimizeDAE: time 2.604e-05/0.6491, allocations: 8 kB / 1.573 GB, free: 1.406 MB / 1.264 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.862e-05/0.6491, allocations: 8 kB / 1.573 GB, free: 1.398 MB / 1.264 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.018e-05/0.6491, allocations: 8 kB / 1.573 GB, free: 1.391 MB / 1.264 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005084/0.6497, allocations: 127.8 kB / 1.573 GB, free: 1.266 MB / 1.264 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.689e-05/0.6497, allocations: 11.94 kB / 1.573 GB, free: 1.254 MB / 1.264 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006825/0.6504, allocations: 31.94 kB / 1.573 GB, free: 1.223 MB / 1.264 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.427e-05/0.6504, allocations: 28 kB / 1.573 GB, free: 1.195 MB / 1.264 GB Warning: The initial conditions are over specified. The following 1 initial equations are redundant, so they are removed from the initialization system: vol.dynBal.medium.p = vol.dynBal.p_start. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 28 * Number of states: 0 () * Number of discrete variables: 2 (intTraSubOut.local_reset,intTraSubIn.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (74): * Single equations (assignments): 74 * 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 0.0005084/0.6509, allocations: 277.9 kB / 1.574 GB, free: 0.9141 MB / 1.264 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002281/0.6512, allocations: 87.42 kB / 1.574 GB, free: 0.8281 MB / 1.264 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0002253/0.6514, allocations: 91.66 kB / 1.574 GB, free: 0.7383 MB / 1.264 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.556e-06/0.6514, allocations: 8 kB / 1.574 GB, free: 0.7305 MB / 1.264 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.742e-06/0.6514, allocations: 0 / 1.574 GB, free: 0.7305 MB / 1.264 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0008633/0.6523, allocations: 0.6949 MB / 1.575 GB, free: 15.95 MB / 1.279 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002877/0.6552, allocations: 1.653 MB / 1.576 GB, free: 14.19 MB / 1.279 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.255e-06/0.6552, allocations: 4 kB / 1.576 GB, free: 14.18 MB / 1.279 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004993/0.6557, allocations: 103.8 kB / 1.576 GB, free: 14.08 MB / 1.279 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.224e-05/0.6557, allocations: 4 kB / 1.576 GB, free: 14.08 MB / 1.279 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.934e-05/0.6557, allocations: 16.5 kB / 1.576 GB, free: 14.06 MB / 1.279 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.248e-05/0.6557, allocations: 15.92 kB / 1.576 GB, free: 14.05 MB / 1.279 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.85e-06/0.6557, allocations: 8 kB / 1.576 GB, free: 14.04 MB / 1.279 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001269/0.657, allocations: 0.8615 MB / 1.577 GB, free: 13.11 MB / 1.279 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003941/0.6574, allocations: 216.5 kB / 1.577 GB, free: 12.88 MB / 1.279 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001297/0.6575, allocations: 12 kB / 1.577 GB, free: 12.87 MB / 1.279 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005042/0.658, allocations: 19.98 kB / 1.577 GB, free: 12.85 MB / 1.279 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.546e-05/0.6581, allocations: 35.84 kB / 1.577 GB, free: 12.82 MB / 1.279 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.043e-05/0.6581, allocations: 27.98 kB / 1.577 GB, free: 12.79 MB / 1.279 GB Notification: Performance of sorting global known variables: time 0.0007743/0.6589, allocations: 0.5029 MB / 1.578 GB, free: 12.29 MB / 1.279 GB Notification: Performance of sort global known variables: time 1.01e-07/0.6589, allocations: 0 / 1.578 GB, free: 12.29 MB / 1.279 GB Notification: Performance of remove unused functions: time 0.0008348/0.6597, allocations: 204 kB / 1.578 GB, free: 12.09 MB / 1.279 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 17 * Number of states: 5 (vol.dynBal.medium.Xi[1],vol.dynBal.U,vol.dynBal.mC[1],intTraSubIn.y,intTraSubOut.y) * 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 (45): * Single equations (assignments): 45 * 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 0.00186/0.6616, allocations: 1.492 MB / 1.58 GB, free: 10.53 MB / 1.279 GB Notification: Performance of simCode: created initialization part: time 0.0008683/0.6625, allocations: 455.3 kB / 1.58 GB, free: 10.09 MB / 1.279 GB Notification: Performance of simCode: created event and clocks part: time 6.021e-06/0.6625, allocations: 4 kB / 1.58 GB, free: 10.08 MB / 1.279 GB Notification: Performance of simCode: created simulation system equations: time 0.0003388/0.6628, allocations: 197.9 kB / 1.58 GB, free: 9.891 MB / 1.279 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002222/0.665, allocations: 496.5 kB / 1.581 GB, free: 9.422 MB / 1.279 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.009999/0.675, allocations: 6.636 MB / 1.587 GB, free: 2.387 MB / 1.279 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007824/0.6758, allocations: 1.028 MB / 1.588 GB, free: 1.332 MB / 1.279 GB Notification: Performance of simCode: alias equations: time 0.0006889/0.6765, allocations: 195 kB / 1.588 GB, free: 1.137 MB / 1.279 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004816/0.677, allocations: 295.3 kB / 1.589 GB, free: 0.8477 MB / 1.279 GB Notification: Performance of SimCode: time 9.42e-07/0.677, allocations: 0 / 1.589 GB, free: 0.8477 MB / 1.279 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.6762/1.353, allocations: 22.3 MB / 1.61 GB, free: 258.5 MB / 1.295 GB Notification: Performance of buildModelFMU: Generate platform static: time 9.327/10.68, allocations: 8.703 kB / 1.61 GB, free: 258.5 MB / 1.295 GB " [Timeout remaining time 289] (rm -f Buildings_latest_Buildings.Fluid.MixingVolumes.Validation.TraceSubstanceConservationDynamicBalance.pipe ; mkfifo Buildings_latest_Buildings.Fluid.MixingVolumes.Validation.TraceSubstanceConservationDynamicBalance.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.MixingVolumes.Validation.TraceSubstanceConservationDynamicBalance.pipe >> ../files/Buildings_latest_Buildings.Fluid.MixingVolumes.Validation.TraceSubstanceConservationDynamicBalance.sim & python3 -m fmpy simulate --output-file Buildings_latest_Buildings.Fluid.MixingVolumes.Validation.TraceSubstanceConservationDynamicBalance_res.csv --start-time 0 --stop-time 1 --timeout 800 --relative-tolerance 1e-08 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_latest_Buildings_Fluid_MixingVolumes_Validation_TraceSubstanceConservationDynamicBalance.fmu > Buildings_latest_Buildings.Fluid.MixingVolumes.Validation.TraceSubstanceConservationDynamicBalance.pipe 2>&1) [Timeout 840.0] diffSimulationResults("Buildings_latest_Buildings.Fluid.MixingVolumes.Validation.TraceSubstanceConservationDynamicBalance_res.csv","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_Fluid_MixingVolumes_Validation_TraceSubstanceConservationDynamicBalance.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_latest_Buildings.Fluid.MixingVolumes.Validation.TraceSubstanceConservationDynamicBalance.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "Error: Could not read variable senTraSubIn.C in file Buildings_latest_Buildings.Fluid.MixingVolumes.Validation.TraceSubstanceConservationDynamicBalance_res.csv. Warning: Get data of variable senTraSubIn.C from file Buildings_latest_Buildings.Fluid.MixingVolumes.Validation.TraceSubstanceConservationDynamicBalance_res.csv failed! Error: Could not read variable senTraSubOut.C in file Buildings_latest_Buildings.Fluid.MixingVolumes.Validation.TraceSubstanceConservationDynamicBalance_res.csv. Warning: Get data of variable senTraSubOut.C from file Buildings_latest_Buildings.Fluid.MixingVolumes.Validation.TraceSubstanceConservationDynamicBalance_res.csv failed! Error: Could not read variable cheConMas.y in file Buildings_latest_Buildings.Fluid.MixingVolumes.Validation.TraceSubstanceConservationDynamicBalance_res.csv. Warning: Get data of variable cheConMas.y from file Buildings_latest_Buildings.Fluid.MixingVolumes.Validation.TraceSubstanceConservationDynamicBalance_res.csv failed! " [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 17.24585868907161]