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 0.001274/0.001274, allocations: 95.64 kB / 18.95 MB, free: 2.691 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 0.001502/0.001502, allocations: 211.7 kB / 22.24 MB, free: 5.242 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 1.376/1.376, 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 master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo): time 3.007/3.007, allocations: 0.5107 GB / 0.8158 GB, free: 17.81 MB / 0.6231 GB " [Timeout remaining time 177] 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 0.001914/0.001914, allocations: 66.55 kB / 1.186 GB, free: 13.74 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3292/0.3311, allocations: 181.9 MB / 1.363 GB, free: 14.03 MB / 1.061 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.MixingVolumes.Validation.TraceSubstanceConservationDynamicBalance): time 0.1897/0.5209, allocations: 165.6 MB / 1.525 GB, free: 7.754 MB / 1.217 GB Notification: Performance of NFInst.instExpressions: time 0.01601/0.5369, allocations: 12.03 MB / 1.537 GB, free: 11.7 MB / 1.232 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001009/0.5379, allocations: 43.62 kB / 1.537 GB, free: 11.66 MB / 1.232 GB Notification: Performance of NFTyping.typeComponents: time 0.001162/0.5391, allocations: 425.2 kB / 1.537 GB, free: 11.24 MB / 1.232 GB Notification: Performance of NFTyping.typeBindings: time 0.002736/0.5418, allocations: 1.198 MB / 1.539 GB, free: 10.04 MB / 1.232 GB Notification: Performance of NFTyping.typeClassSections: time 0.001733/0.5435, allocations: 0.7229 MB / 1.539 GB, free: 9.316 MB / 1.232 GB Notification: Performance of NFFlatten.flatten: time 0.002539/0.5461, allocations: 2.035 MB / 1.541 GB, free: 7.273 MB / 1.232 GB Notification: Performance of NFFlatten.resolveConnections: time 0.000973/0.5471, allocations: 0.6215 MB / 1.542 GB, free: 6.625 MB / 1.232 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004219/0.5513, allocations: 2.001 MB / 1.544 GB, free: 4.617 MB / 1.232 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00164/0.5529, allocations: 0.6732 MB / 1.544 GB, free: 3.945 MB / 1.232 GB Notification: Performance of NFPackage.collectConstants: time 0.0001466/0.5531, allocations: 80 kB / 1.545 GB, free: 3.867 MB / 1.232 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001474/0.5545, allocations: 0.7169 MB / 1.545 GB, free: 3.148 MB / 1.232 GB Notification: Performance of NFScalarize.scalarize: time 0.0004056/0.5549, allocations: 398.9 kB / 1.546 GB, free: 2.758 MB / 1.232 GB Notification: Performance of NFVerifyModel.verify: time 0.0004753/0.5554, allocations: 418.1 kB / 1.546 GB, free: 2.348 MB / 1.232 GB Notification: Performance of NFConvertDAE.convert: time 0.001966/0.5574, allocations: 1.487 MB / 1.547 GB, free: 0.8555 MB / 1.232 GB Notification: Performance of FrontEnd - DAE generated: time 4.96e-06/0.5574, allocations: 4 kB / 1.547 GB, free: 0.8516 MB / 1.232 GB Notification: Performance of FrontEnd: time 1.523e-06/0.5574, allocations: 0 / 1.547 GB, free: 0.8516 MB / 1.232 GB Notification: Performance of Transformations before backend: time 1.688e-05/0.5574, allocations: 4 kB / 1.547 GB, free: 0.8477 MB / 1.232 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 0.001758/0.5592, allocations: 1.18 MB / 1.549 GB, free: 15.64 MB / 1.248 GB Notification: Performance of prepare preOptimizeDAE: time 3.774e-05/0.5592, allocations: 8.031 kB / 1.549 GB, free: 15.63 MB / 1.248 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001348/0.5593, allocations: 126.5 kB / 1.549 GB, free: 15.5 MB / 1.248 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001093/0.5604, allocations: 223.1 kB / 1.549 GB, free: 15.28 MB / 1.248 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001148/0.5616, allocations: 0.6116 MB / 1.55 GB, free: 14.64 MB / 1.248 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.885e-05/0.5616, allocations: 58 kB / 1.55 GB, free: 14.59 MB / 1.248 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001193/0.5618, allocations: 83.98 kB / 1.55 GB, free: 14.5 MB / 1.248 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001374/0.5631, allocations: 1.055 MB / 1.551 GB, free: 13.33 MB / 1.248 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.718e-05/0.5632, allocations: 7.938 kB / 1.551 GB, free: 13.32 MB / 1.248 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.011e-05/0.5632, allocations: 35.94 kB / 1.551 GB, free: 13.29 MB / 1.248 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.956e-05/0.5633, allocations: 25.31 kB / 1.551 GB, free: 13.27 MB / 1.248 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.000992/0.5643, allocations: 0.6216 MB / 1.551 GB, free: 12.64 MB / 1.248 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 0.004258/0.5685, allocations: 3.726 MB / 1.555 GB, free: 8.773 MB / 1.248 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0007587/0.5693, allocations: 468.1 kB / 1.555 GB, free: 8.289 MB / 1.248 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003258/0.5696, allocations: 230.5 kB / 1.556 GB, free: 8.055 MB / 1.248 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001468/0.5697, allocations: 23.98 kB / 1.556 GB, free: 8.031 MB / 1.248 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.115e-05/0.5698, allocations: 38.56 kB / 1.556 GB, free: 7.984 MB / 1.248 GB Notification: Performance of pre-optimization done (n=43): time 1.913e-06/0.5698, allocations: 0 / 1.556 GB, free: 7.984 MB / 1.248 GB Notification: Performance of matching and sorting (n=45): time 0.002697/0.5725, allocations: 1.555 MB / 1.557 GB, free: 6.391 MB / 1.248 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.552e-05/0.5725, allocations: 114.8 kB / 1.557 GB, free: 6.254 MB / 1.248 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008228/0.5734, allocations: 0.7193 MB / 1.558 GB, free: 5.527 MB / 1.248 GB Notification: Performance of collectPreVariables (initialization): time 4.37e-05/0.5734, allocations: 37.64 kB / 1.558 GB, free: 5.484 MB / 1.248 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003173/0.5737, allocations: 428.5 kB / 1.559 GB, free: 5.059 MB / 1.248 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001448/0.5739, allocations: 170.6 kB / 1.559 GB, free: 4.891 MB / 1.248 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001631/0.574, allocations: 118.2 kB / 1.559 GB, free: 4.77 MB / 1.248 GB Notification: Performance of setup shared object (initialization): time 0.0001395/0.5742, allocations: 330 kB / 1.559 GB, free: 4.441 MB / 1.248 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000287/0.5745, allocations: 185.2 kB / 1.559 GB, free: 4.262 MB / 1.248 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005564/0.575, allocations: 0.5657 MB / 1.56 GB, free: 3.562 MB / 1.248 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 0.002189/0.5772, allocations: 1.097 MB / 1.561 GB, free: 2.379 MB / 1.248 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.909e-06/0.5772, allocations: 4 kB / 1.561 GB, free: 2.375 MB / 1.248 GB Notification: Performance of matching and sorting (n=74) (initialization): time 0.001013/0.5782, allocations: 0.68 MB / 1.562 GB, free: 1.688 MB / 1.248 GB Notification: Performance of prepare postOptimizeDAE: time 1.887e-05/0.5782, allocations: 8.094 kB / 1.562 GB, free: 1.68 MB / 1.248 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.768e-06/0.5782, allocations: 8 kB / 1.562 GB, free: 1.672 MB / 1.248 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.371e-05/0.5783, allocations: 12 kB / 1.562 GB, free: 1.66 MB / 1.248 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004514/0.5787, allocations: 127.8 kB / 1.562 GB, free: 1.535 MB / 1.248 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.775e-05/0.5787, allocations: 15.98 kB / 1.562 GB, free: 1.52 MB / 1.248 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005356/0.5793, allocations: 24 kB / 1.562 GB, free: 1.496 MB / 1.248 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.979e-05/0.5793, allocations: 27.98 kB / 1.562 GB, free: 1.469 MB / 1.248 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 0.0003677/0.5797, allocations: 273.5 kB / 1.562 GB, free: 1.191 MB / 1.248 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001506/0.5798, allocations: 87.42 kB / 1.562 GB, free: 1.105 MB / 1.248 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0001666/0.58, allocations: 95.67 kB / 1.562 GB, free: 1.012 MB / 1.248 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.002e-06/0.58, allocations: 4 kB / 1.562 GB, free: 1.008 MB / 1.248 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.54e-06/0.58, allocations: 0 / 1.562 GB, free: 1.008 MB / 1.248 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0007425/0.5808, allocations: 0.6964 MB / 1.563 GB, free: 232 kB / 1.248 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002366/0.5831, allocations: 1.532 MB / 1.564 GB, free: 14.59 MB / 1.264 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.254e-06/0.5831, allocations: 7.984 kB / 1.564 GB, free: 14.59 MB / 1.264 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004273/0.5836, allocations: 99.77 kB / 1.565 GB, free: 14.49 MB / 1.264 GB Notification: Performance of postOpt tearingSystem (simulation): time 8.847e-06/0.5836, allocations: 8 kB / 1.565 GB, free: 14.48 MB / 1.264 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.438e-05/0.5836, allocations: 16 kB / 1.565 GB, free: 14.46 MB / 1.264 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 7.034e-06/0.5836, allocations: 4 kB / 1.565 GB, free: 14.46 MB / 1.264 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.011e-06/0.5836, allocations: 7.938 kB / 1.565 GB, free: 14.45 MB / 1.264 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001099/0.5847, allocations: 0.8732 MB / 1.565 GB, free: 13.52 MB / 1.264 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003068/0.585, allocations: 131.4 kB / 1.566 GB, free: 13.39 MB / 1.264 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.468e-05/0.5851, allocations: 19.94 kB / 1.566 GB, free: 13.37 MB / 1.264 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000423/0.5855, allocations: 18.17 kB / 1.566 GB, free: 13.35 MB / 1.264 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.625e-05/0.5856, allocations: 43.81 kB / 1.566 GB, free: 13.31 MB / 1.264 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.24e-05/0.5856, allocations: 23.94 kB / 1.566 GB, free: 13.29 MB / 1.264 GB Notification: Performance of sorting global known variables: time 0.000603/0.5862, allocations: 0.5107 MB / 1.566 GB, free: 12.78 MB / 1.264 GB Notification: Performance of sort global known variables: time 7e-08/0.5862, allocations: 0 / 1.566 GB, free: 12.78 MB / 1.264 GB Notification: Performance of remove unused functions: time 0.0006712/0.5869, allocations: 199.9 kB / 1.566 GB, free: 12.58 MB / 1.264 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 0.00166/0.5886, allocations: 1.489 MB / 1.568 GB, free: 11.03 MB / 1.264 GB Notification: Performance of simCode: created initialization part: time 0.0007697/0.5893, allocations: 464.7 kB / 1.568 GB, free: 10.58 MB / 1.264 GB Notification: Performance of simCode: created event and clocks part: time 3.105e-06/0.5894, allocations: 0 / 1.568 GB, free: 10.58 MB / 1.264 GB Notification: Performance of simCode: created simulation system equations: time 0.0002877/0.5896, allocations: 203.6 kB / 1.568 GB, free: 10.38 MB / 1.264 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001921/0.5916, allocations: 491 kB / 1.569 GB, free: 9.914 MB / 1.264 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.008488/0.6, allocations: 6.637 MB / 1.575 GB, free: 2.875 MB / 1.264 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004457/0.6005, allocations: 432.9 kB / 1.576 GB, free: 2.426 MB / 1.264 GB Notification: Performance of simCode: alias equations: time 0.0006494/0.6011, allocations: 203 kB / 1.576 GB, free: 2.223 MB / 1.264 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003994/0.6015, allocations: 299.3 kB / 1.576 GB, free: 1.93 MB / 1.264 GB Notification: Performance of SimCode: time 7.71e-07/0.6015, allocations: 0 / 1.576 GB, free: 1.93 MB / 1.264 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.06276/0.6643, allocations: 24.59 MB / 1.6 GB, free: 9.926 MB / 1.295 GB Notification: Performance of buildModelFMU: Generate platform static: time 11.17/11.83, allocations: 13.53 kB / 1.6 GB, free: 9.914 MB / 1.295 GB " [Timeout remaining time 288] (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: 18.734783706255257]