Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Examples.Tutorial.Boiler.System1.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00142/0.00142, allocations: 112.2 kB / 17.54 MB, free: 4.641 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001437/0.001437, allocations: 190.6 kB / 20.71 MB, free: 1.484 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.288/1.288, allocations: 225.6 MB / 249.3 MB, free: 3.023 MB / 190.1 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo): time 2.483/2.483, allocations: 476.7 MB / 0.7628 GB, free: 15.11 MB / 0.6075 GB " [Timeout remaining time 177] Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: "" <> buildModelFMU(Buildings.Examples.Tutorial.Boiler.System1,fileNamePrefix="Buildings_11_Buildings_Examples_Tutorial_Boiler_System1",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Examples.Tutorial.Boiler.System1,fileNamePrefix="Buildings_11_Buildings_Examples_Tutorial_Boiler_System1",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.001768/0.001768, allocations: 71.89 kB / 1.107 GB, free: 5.156 MB / 0.8419 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7753/0.7771, allocations: 168.7 MB / 1.271 GB, free: 7.871 MB / 0.9981 GB Notification: Performance of NFInst.instantiate(Buildings.Examples.Tutorial.Boiler.System1): time 0.1884/0.9654, allocations: 163.6 MB / 1.431 GB, free: 13.89 MB / 1.123 GB Notification: Performance of NFInst.instExpressions: time 0.005454/0.9709, allocations: 3.527 MB / 1.435 GB, free: 11.06 MB / 1.123 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0005104/0.9714, allocations: 19.97 kB / 1.435 GB, free: 11.05 MB / 1.123 GB Notification: Performance of NFTyping.typeComponents: time 0.000796/0.9722, allocations: 287.3 kB / 1.435 GB, free: 10.83 MB / 1.123 GB Notification: Performance of NFTyping.typeBindings: time 0.001944/0.9741, allocations: 0.8817 MB / 1.436 GB, free: 10.15 MB / 1.123 GB Notification: Performance of NFTyping.typeClassSections: time 0.001095/0.9752, allocations: 494.3 kB / 1.436 GB, free: 9.777 MB / 1.123 GB Notification: Performance of NFFlatten.flatten: time 0.001301/0.9765, allocations: 1.101 MB / 1.437 GB, free: 9.137 MB / 1.123 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0003536/0.9769, allocations: 283 kB / 1.438 GB, free: 8.926 MB / 1.123 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0005973/0.9775, allocations: 424.9 kB / 1.438 GB, free: 8.676 MB / 1.123 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0008709/0.9784, allocations: 375.5 kB / 1.438 GB, free: 8.449 MB / 1.123 GB Notification: Performance of NFPackage.collectConstants: time 6.568e-05/0.9784, allocations: 40.44 kB / 1.438 GB, free: 8.449 MB / 1.123 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00124/0.9797, allocations: 0.7347 MB / 1.439 GB, free: 8.043 MB / 1.123 GB Notification: Performance of NFScalarize.scalarize: time 0.0001888/0.9799, allocations: 170.3 kB / 1.439 GB, free: 7.926 MB / 1.123 GB Notification: Performance of NFVerifyModel.verify: time 0.0002641/0.9801, allocations: 271.4 kB / 1.439 GB, free: 7.746 MB / 1.123 GB Notification: Performance of NFConvertDAE.convert: time 0.001207/0.9813, allocations: 0.938 MB / 1.44 GB, free: 7.133 MB / 1.123 GB Notification: Performance of FrontEnd - DAE generated: time 3.748e-06/0.9813, allocations: 0.9375 kB / 1.44 GB, free: 7.133 MB / 1.123 GB Notification: Performance of FrontEnd: time 1.142e-06/0.9813, allocations: 0 / 1.44 GB, free: 7.133 MB / 1.123 GB Notification: Performance of Transformations before backend: time 7.755e-06/0.9813, allocations: 0 / 1.44 GB, free: 7.133 MB / 1.123 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 69 * Number of variables: 69 Notification: Performance of Generate backend data structure: time 0.001352/0.9827, allocations: 0.8846 MB / 1.441 GB, free: 6.383 MB / 1.123 GB Notification: Performance of prepare preOptimizeDAE: time 3.444e-05/0.9827, allocations: 14.16 kB / 1.441 GB, free: 6.379 MB / 1.123 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 8.129e-05/0.9828, allocations: 68.62 kB / 1.441 GB, free: 6.312 MB / 1.123 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0009637/0.9838, allocations: 157.5 kB / 1.441 GB, free: 6.238 MB / 1.123 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0007229/0.9845, allocations: 0.4995 MB / 1.442 GB, free: 5.812 MB / 1.123 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.447e-05/0.9845, allocations: 19.53 kB / 1.442 GB, free: 5.805 MB / 1.123 GB Notification: Performance of preOpt expandDerOperator (simulation): time 5.537e-05/0.9846, allocations: 31.39 kB / 1.442 GB, free: 5.793 MB / 1.123 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0005115/0.9851, allocations: 322.6 kB / 1.442 GB, free: 5.594 MB / 1.123 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.563e-05/0.9851, allocations: 3.953 kB / 1.442 GB, free: 5.59 MB / 1.123 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.328e-05/0.9851, allocations: 19.94 kB / 1.442 GB, free: 5.574 MB / 1.123 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.888e-05/0.9852, allocations: 9.188 kB / 1.442 GB, free: 5.574 MB / 1.123 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004046/0.9856, allocations: 229.5 kB / 1.443 GB, free: 5.387 MB / 1.123 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 0.001859/0.9874, allocations: 1.414 MB / 1.444 GB, free: 3.836 MB / 1.123 GB Notification: Performance of preOpt comSubExp (simulation): time 0.000376/0.9878, allocations: 206.8 kB / 1.444 GB, free: 3.625 MB / 1.123 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001781/0.988, allocations: 104.8 kB / 1.444 GB, free: 3.52 MB / 1.123 GB Notification: Performance of preOpt evalFunc (simulation): time 2.262e-05/0.988, allocations: 0 / 1.444 GB, free: 3.52 MB / 1.123 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0002764/0.9883, allocations: 164.8 kB / 1.444 GB, free: 3.348 MB / 1.123 GB Notification: Performance of pre-optimization done (n=26): time 1.573e-06/0.9883, allocations: 3.938 kB / 1.444 GB, free: 3.344 MB / 1.123 GB Notification: Performance of matching and sorting (n=29): time 0.002696/0.991, allocations: 1.096 MB / 1.445 GB, free: 2.191 MB / 1.123 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.144e-05/0.991, allocations: 59.34 kB / 1.446 GB, free: 2.121 MB / 1.123 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0005044/0.9915, allocations: 461.9 kB / 1.446 GB, free: 1.664 MB / 1.123 GB Notification: Performance of collectPreVariables (initialization): time 3.045e-05/0.9915, allocations: 29.7 kB / 1.446 GB, free: 1.629 MB / 1.123 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001806/0.9917, allocations: 244.5 kB / 1.446 GB, free: 1.387 MB / 1.123 GB Notification: Performance of collectInitialBindings (initialization): time 8.86e-05/0.9918, allocations: 103.2 kB / 1.446 GB, free: 1.285 MB / 1.123 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001242/0.9919, allocations: 78.02 kB / 1.446 GB, free: 1.203 MB / 1.123 GB Notification: Performance of setup shared object (initialization): time 0.0001518/0.9921, allocations: 358.8 kB / 1.447 GB, free: 0.8438 MB / 1.123 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002194/0.9923, allocations: 124.7 kB / 1.447 GB, free: 0.7227 MB / 1.123 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000258/0.9926, allocations: 186.7 kB / 1.447 GB, free: 0.5234 MB / 1.123 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0004461/0.993, allocations: 311.8 kB / 1.447 GB, free: 208 kB / 1.123 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.193e-06/0.993, allocations: 0 / 1.447 GB, free: 208 kB / 1.123 GB Notification: Performance of matching and sorting (n=46) (initialization): time 0.0009347/0.994, allocations: 490.4 kB / 1.448 GB, free: 15.71 MB / 1.139 GB Notification: Performance of prepare postOptimizeDAE: time 1.541e-05/0.994, allocations: 8 kB / 1.448 GB, free: 15.71 MB / 1.139 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.631e-06/0.994, allocations: 0 / 1.448 GB, free: 15.71 MB / 1.139 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0003437/0.9943, allocations: 88.72 kB / 1.448 GB, free: 15.62 MB / 1.139 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002557/0.9946, allocations: 60.05 kB / 1.448 GB, free: 15.56 MB / 1.139 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001783/0.9964, allocations: 1.912 MB / 1.45 GB, free: 13.51 MB / 1.139 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003027/0.9967, allocations: 16.02 kB / 1.45 GB, free: 13.5 MB / 1.139 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.02e-05/0.9967, allocations: 12 kB / 1.45 GB, free: 13.48 MB / 1.139 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 6 * Number of states: 0 () * Number of discrete variables: 5 ($PRE.timTab.tab.nextTimeEvent,$whenCondition1,timTab.tab.nextTimeEventScaled,$PRE.timTab.tab.nextTimeEventScaled,timTab.tab.nextTimeEvent) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (41): * Single equations (assignments): 40 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,5,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0002156/0.9969, allocations: 193 kB / 1.45 GB, free: 13.29 MB / 1.139 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 7.057e-05/0.997, allocations: 55.64 kB / 1.45 GB, free: 13.23 MB / 1.139 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0008555/0.9978, allocations: 407 kB / 1.45 GB, free: 12.83 MB / 1.139 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.539e-06/0.9978, allocations: 3.938 kB / 1.45 GB, free: 12.82 MB / 1.139 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.128e-06/0.9978, allocations: 4 kB / 1.45 GB, free: 12.82 MB / 1.139 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.563e-06/0.9978, allocations: 3.984 kB / 1.45 GB, free: 12.82 MB / 1.139 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001482/0.9993, allocations: 0.9643 MB / 1.451 GB, free: 11.79 MB / 1.139 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.104e-06/0.9993, allocations: 0 / 1.451 GB, free: 11.79 MB / 1.139 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003487/0.9997, allocations: 67.91 kB / 1.451 GB, free: 11.73 MB / 1.139 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002892/1, allocations: 80.78 kB / 1.452 GB, free: 11.64 MB / 1.139 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.582e-05/1, allocations: 11.98 kB / 1.452 GB, free: 11.63 MB / 1.139 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.00142/1.001, allocations: 1.649 MB / 1.453 GB, free: 9.84 MB / 1.139 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.052e-06/1.001, allocations: 0 / 1.453 GB, free: 9.84 MB / 1.139 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.000996/1.002, allocations: 0.5835 MB / 1.454 GB, free: 9.238 MB / 1.139 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001698/1.003, allocations: 148.8 kB / 1.454 GB, free: 9.074 MB / 1.139 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.599e-05/1.003, allocations: 11.98 kB / 1.454 GB, free: 9.062 MB / 1.139 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003148/1.003, allocations: 8 kB / 1.454 GB, free: 9.055 MB / 1.139 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.181e-05/1.003, allocations: 19.97 kB / 1.454 GB, free: 9.035 MB / 1.139 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.949e-05/1.003, allocations: 15.98 kB / 1.454 GB, free: 9.02 MB / 1.139 GB Notification: Performance of sorting global known variables: time 0.0003362/1.003, allocations: 303.1 kB / 1.454 GB, free: 8.727 MB / 1.139 GB Notification: Performance of sort global known variables: time 9e-08/1.003, allocations: 0 / 1.454 GB, free: 8.727 MB / 1.139 GB Notification: Performance of remove unused functions: time 0.0005089/1.004, allocations: 135.9 kB / 1.454 GB, free: 8.594 MB / 1.139 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 3 (vol.dynBal.medium.Xi[1],vol.dynBal.m,heaCap.T) * Number of discrete variables: 3 ($whenCondition1,timTab.tab.nextTimeEvent,timTab.tab.nextTimeEventScaled) * Number of discrete states: 2 (timTab.tab.nextTimeEvent,timTab.tab.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (26): * Single equations (assignments): 23 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.002644/1.007, allocations: 1.429 MB / 1.456 GB, free: 7.297 MB / 1.139 GB Notification: Performance of simCode: created initialization part: time 0.0007057/1.007, allocations: 414.6 kB / 1.456 GB, free: 6.879 MB / 1.139 GB Notification: Performance of simCode: created event and clocks part: time 2.435e-06/1.007, allocations: 3.938 kB / 1.456 GB, free: 6.875 MB / 1.139 GB Notification: Performance of simCode: created simulation system equations: time 0.0003051/1.008, allocations: 243.1 kB / 1.456 GB, free: 6.625 MB / 1.139 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001067/1.009, allocations: 253.4 kB / 1.457 GB, free: 6.387 MB / 1.139 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005618/1.014, allocations: 4.144 MB / 1.461 GB, free: 2.117 MB / 1.139 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004432/1.015, allocations: 0.8426 MB / 1.462 GB, free: 1.246 MB / 1.139 GB Notification: Performance of simCode: alias equations: time 0.0002931/1.015, allocations: 88.33 kB / 1.462 GB, free: 1.16 MB / 1.139 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002178/1.015, allocations: 155.3 kB / 1.462 GB, free: 1.008 MB / 1.139 GB Notification: Performance of SimCode: time 5.41e-07/1.015, allocations: 0 / 1.462 GB, free: 1.008 MB / 1.139 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.04305/1.058, allocations: 13.01 MB / 1.474 GB, free: 4.16 MB / 1.154 GB Notification: Performance of buildModelFMU: Generate platform static: time 9.364/10.42, allocations: 9.969 kB / 1.474 GB, free: 4.156 MB / 1.154 GB " [Timeout remaining time 289] (rm -f Buildings_11_Buildings.Examples.Tutorial.Boiler.System1.pipe ; mkfifo Buildings_11_Buildings.Examples.Tutorial.Boiler.System1.pipe ; head -c 1048576 < Buildings_11_Buildings.Examples.Tutorial.Boiler.System1.pipe >> ../files/Buildings_11_Buildings.Examples.Tutorial.Boiler.System1.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_11_Buildings.Examples.Tutorial.Boiler.System1_res.mat --tempDir=temp_Buildings_11_Buildings_Examples_Tutorial_Boiler_System1_fmu --startTime=0 --stopTime=172800 --timeout=400 --tolerance=1e-06 Buildings_11_Buildings_Examples_Tutorial_Boiler_System1.fmu > Buildings_11_Buildings.Examples.Tutorial.Boiler.System1.pipe 2>&1) [Timeout 420.0] diffSimulationResults("Buildings_11_Buildings.Examples.Tutorial.Boiler.System1_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_Examples_Tutorial_Boiler_System1.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_11_Buildings.Examples.Tutorial.Boiler.System1.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 300] "" Variables in the reference:time,vol.T_start,vol.T,TOut.T Variables in the result:QRooInt_flow,TOut.T,TOut.port.Q_flow,TOut.port.T,V,der(heaCap.T),der(vol.dynBal.m),der(vol.dynBal.medium.Xi[1]),heaCap.C,heaCap.T,heaCap.der_T,heaCap.port.Q_flow,heaCap.port.T,mA_flow_nominal,preHea.Q_flow,preHea.T_ref,preHea.alpha,preHea.port.Q_flow,preHea.port.T,theCon.G,theCon.Q_flow,theCon.dT,theCon.port_a.Q_flow,theCon.port_a.T,theCon.port_b.Q_flow,theCon.port_b.T,timTab.extrapolation,timTab.offset[1],timTab.smoothness,timTab.table[1,1],timTab.table[1,2],timTab.table[2,1],timTab.table[2,2],timTab.table[3,1],timTab.table[3,2],timTab.timeScale,timTab.y[1],time,vol.T,vol.T_start,vol.U,vol.V,vol.X_start[1],vol.X_start[2],vol.Xi[1],vol.allowFlowReversal,vol.dynBal.m,vol.dynBal.medium.Xi[1],vol.energyDynamics,vol.heatPort.Q_flow,vol.heatPort.T,vol.initialize_p,vol.m,vol.mSenFac,vol.mXi[1],vol.m_flow_nominal,vol.m_flow_small,vol.massDynamics,vol.nPorts,vol.p,vol.p_start,vol.substanceDynamics,vol.traceDynamics,vol.use_C_flow [Calling sys.exit(0), Time elapsed: 15.77724684399982]