Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve.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 0.001471/0.001471, allocations: 114.3 kB / 18.94 MB, free: 2.934 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 0.001692/0.001692, allocations: 216 kB / 22.25 MB, free: 5.082 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 1.588/1.588, allocations: 230.6 MB / 256 MB, free: 8.008 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermofluidStream 1.2.0/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermofluidStream 1.2.0/package.mo): time 1.034/1.034, allocations: 94.55 MB / 407 MB, free: 9.223 MB / 318.1 MB " [Timeout remaining time 179] Using package ThermofluidStream with version 1.2.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermofluidStream 1.2.0/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(ThermofluidStream.FlowControl.Tests.BasicControlValve,fileNamePrefix="ThermofluidStream_ThermofluidStream_FlowControl_Tests_BasicControlValve",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ThermofluidStream.FlowControl.Tests.BasicControlValve,fileNamePrefix="ThermofluidStream_ThermofluidStream_FlowControl_Tests_BasicControlValve",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: ThermofluidStream 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: ThermofluidStream requested package Complex of version 4.0.0. Complex 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.00271/0.00271, allocations: 86.95 kB / 0.555 GB, free: 38.54 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1795/0.1822, allocations: 73.06 MB / 0.6263 GB, free: 496 kB / 462.1 MB Notification: Performance of NFInst.instantiate(ThermofluidStream.FlowControl.Tests.BasicControlValve): time 0.07053/0.2527, allocations: 54.38 MB / 0.6794 GB, free: 9.914 MB / 0.5137 GB Notification: Performance of NFInst.instExpressions: time 0.0321/0.2848, allocations: 21.8 MB / 0.7007 GB, free: 4.039 MB / 0.5294 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002969/0.2878, allocations: 103.1 kB / 0.7008 GB, free: 3.938 MB / 0.5294 GB Notification: Performance of NFTyping.typeComponents: time 0.003453/0.2912, allocations: 0.9041 MB / 0.7017 GB, free: 3.027 MB / 0.5294 GB Notification: Performance of NFTyping.typeBindings: time 0.007697/0.2989, allocations: 1.739 MB / 0.7034 GB, free: 1.277 MB / 0.5294 GB Notification: Performance of NFTyping.typeClassSections: time 0.005845/0.3048, allocations: 1.354 MB / 0.7047 GB, free: 15.92 MB / 0.545 GB Notification: Performance of NFFlatten.flatten: time 0.006284/0.311, allocations: 2.59 MB / 0.7072 GB, free: 13.32 MB / 0.545 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0009046/0.312, allocations: 310.7 kB / 0.7075 GB, free: 12.98 MB / 0.545 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003118/0.3151, allocations: 1.12 MB / 0.7086 GB, free: 11.86 MB / 0.545 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001654/0.3167, allocations: 0.9562 MB / 0.7095 GB, free: 10.9 MB / 0.545 GB Notification: Performance of NFPackage.collectConstants: time 0.0002855/0.317, allocations: 128 kB / 0.7097 GB, free: 10.77 MB / 0.545 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004552/0.3216, allocations: 1.288 MB / 0.7109 GB, free: 9.484 MB / 0.545 GB Notification: Performance of NFScalarize.scalarize: time 0.0005037/0.3221, allocations: 346.3 kB / 0.7113 GB, free: 9.145 MB / 0.545 GB Notification: Performance of NFVerifyModel.verify: time 0.001409/0.3235, allocations: 0.9049 MB / 0.7121 GB, free: 8.234 MB / 0.545 GB Notification: Performance of NFConvertDAE.convert: time 0.007104/0.3306, allocations: 2.692 MB / 0.7148 GB, free: 5.531 MB / 0.545 GB Notification: Performance of FrontEnd - DAE generated: time 5.951e-06/0.3306, allocations: 0 / 0.7148 GB, free: 5.531 MB / 0.545 GB Notification: Performance of FrontEnd: time 2.414e-06/0.3306, allocations: 0 / 0.7148 GB, free: 5.531 MB / 0.545 GB Notification: Performance of Transformations before backend: time 4.256e-05/0.3306, allocations: 0 / 0.7148 GB, free: 5.531 MB / 0.545 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 290 * Number of variables: 290 Notification: Performance of Generate backend data structure: time 0.005141/0.3358, allocations: 2.349 MB / 0.7171 GB, free: 3.137 MB / 0.545 GB Notification: Performance of prepare preOptimizeDAE: time 5.381e-05/0.3358, allocations: 12.03 kB / 0.7171 GB, free: 3.125 MB / 0.545 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0002006/0.336, allocations: 165.2 kB / 0.7172 GB, free: 2.953 MB / 0.545 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0004614/0.3365, allocations: 230.5 kB / 0.7175 GB, free: 2.727 MB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002598/0.3391, allocations: 1.183 MB / 0.7186 GB, free: 1.496 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 9.998e-05/0.3392, allocations: 94.27 kB / 0.7187 GB, free: 1.402 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001959/0.3394, allocations: 123.9 kB / 0.7188 GB, free: 1.281 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002152/0.3415, allocations: 1.218 MB / 0.72 GB, free: 20 kB / 0.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.943e-05/0.3416, allocations: 7.922 kB / 0.72 GB, free: 12 kB / 0.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001202/0.3417, allocations: 44.08 kB / 0.7201 GB, free: 15.96 MB / 0.5606 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.627e-05/0.3417, allocations: 28 kB / 0.7201 GB, free: 15.94 MB / 0.5606 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002096/0.3438, allocations: 1.172 MB / 0.7212 GB, free: 14.76 MB / 0.5606 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.00885/0.3527, allocations: 4.957 MB / 0.7261 GB, free: 9.363 MB / 0.5606 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001597/0.3543, allocations: 0.8281 MB / 0.7269 GB, free: 8.512 MB / 0.5606 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0007359/0.355, allocations: 426.3 kB / 0.7273 GB, free: 8.098 MB / 0.5606 GB Notification: Performance of preOpt evalFunc (simulation): time 0.004484/0.3595, allocations: 1.772 MB / 0.729 GB, free: 6.305 MB / 0.5606 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.331e-05/0.3595, allocations: 47.5 kB / 0.7291 GB, free: 6.25 MB / 0.5606 GB Notification: Performance of pre-optimization done (n=103): time 3.286e-06/0.3595, allocations: 0 / 0.7291 GB, free: 6.25 MB / 0.5606 GB Notification: Performance of matching and sorting (n=103): time 0.003924/0.3635, allocations: 1.489 MB / 0.7305 GB, free: 4.746 MB / 0.5606 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.979e-05/0.3635, allocations: 60.41 kB / 0.7306 GB, free: 4.676 MB / 0.5606 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002282/0.3658, allocations: 1.288 MB / 0.7318 GB, free: 3.383 MB / 0.5606 GB Notification: Performance of collectPreVariables (initialization): time 0.000124/0.3659, allocations: 45.7 kB / 0.7319 GB, free: 3.332 MB / 0.5606 GB Notification: Performance of collectInitialEqns (initialization): time 0.0008518/0.3668, allocations: 0.7583 MB / 0.7326 GB, free: 2.566 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.0004411/0.3672, allocations: 376.8 kB / 0.733 GB, free: 2.195 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003016/0.3675, allocations: 174.6 kB / 0.7331 GB, free: 2.02 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 0.0002149/0.3677, allocations: 338 kB / 0.7335 GB, free: 1.684 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006955/0.3684, allocations: 301.9 kB / 0.7338 GB, free: 1.387 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007954/0.3692, allocations: 441.9 kB / 0.7342 GB, free: 0.9141 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001494/0.3707, allocations: 0.7659 MB / 0.7349 GB, free: 124 kB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.208e-06/0.3707, allocations: 0 / 0.7349 GB, free: 124 kB / 0.5606 GB Notification: Performance of matching and sorting (n=118) (initialization): time 0.002761/0.3735, allocations: 1.147 MB / 0.736 GB, free: 14.95 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 3.684e-05/0.3735, allocations: 8.281 kB / 0.736 GB, free: 14.95 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.343e-05/0.3735, allocations: 4 kB / 0.7361 GB, free: 14.94 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0007384/0.3743, allocations: 166.4 kB / 0.7362 GB, free: 14.77 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007101/0.375, allocations: 191.8 kB / 0.7364 GB, free: 14.58 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004597/0.3796, allocations: 4.516 MB / 0.7408 GB, free: 9.723 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001049/0.3806, allocations: 83.34 kB / 0.7409 GB, free: 9.641 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001333/0.3808, allocations: 43.98 kB / 0.7409 GB, free: 9.598 MB / 0.5762 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 10 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (106): * Single equations (assignments): 103 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 3 systems {(1,4,100.0%), (1,4,100.0%), (1,4,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0006599/0.3814, allocations: 281.5 kB / 0.7412 GB, free: 9.312 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00035/0.3818, allocations: 170.9 kB / 0.7414 GB, free: 9.145 MB / 0.5762 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003121/0.3849, allocations: 1.635 MB / 0.743 GB, free: 7.488 MB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.388e-05/0.3849, allocations: 16 kB / 0.743 GB, free: 7.473 MB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.059e-06/0.3849, allocations: 7.875 kB / 0.743 GB, free: 7.465 MB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.945e-05/0.3849, allocations: 7.922 kB / 0.743 GB, free: 7.457 MB / 0.5762 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00486/0.3898, allocations: 2.589 MB / 0.7455 GB, free: 4.781 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.628e-06/0.3898, allocations: 4 kB / 0.7455 GB, free: 4.777 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006057/0.3904, allocations: 171.9 kB / 0.7457 GB, free: 4.609 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0005722/0.391, allocations: 166.6 kB / 0.7458 GB, free: 4.438 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.407e-05/0.3911, allocations: 39.97 kB / 0.7459 GB, free: 4.398 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.4229/0.814, allocations: 4.513 MB / 0.7503 GB, free: 116.8 MB / 0.5762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.042e-06/0.814, allocations: 2.75 kB / 0.7503 GB, free: 116.8 MB / 0.5762 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004382/0.8184, allocations: 1.622 MB / 0.7519 GB, free: 116.6 MB / 0.5762 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001015/0.8194, allocations: 278 kB / 0.7521 GB, free: 116.6 MB / 0.5762 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002432/0.8197, allocations: 38.97 kB / 0.7522 GB, free: 116.6 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007119/0.8204, allocations: 25.27 kB / 0.7522 GB, free: 116.6 MB / 0.5762 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002975/0.8207, allocations: 85.44 kB / 0.7523 GB, free: 116.6 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001228/0.8208, allocations: 38.12 kB / 0.7523 GB, free: 116.6 MB / 0.5762 GB Notification: Performance of sorting global known variables: time 0.001798/0.8226, allocations: 0.9101 MB / 0.7532 GB, free: 116.5 MB / 0.5762 GB Notification: Performance of sort global known variables: time 1.4e-07/0.8226, allocations: 1.969 kB / 0.7532 GB, free: 116.5 MB / 0.5762 GB Notification: Performance of remove unused functions: time 0.002792/0.8254, allocations: 0.5955 MB / 0.7538 GB, free: 116.5 MB / 0.5762 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * Number of states: 3 (flowResistance6.inlet.m_flow,flowResistance2.inlet.m_flow,flowResistance4.inlet.m_flow) * 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 (92): * Single equations (assignments): 89 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 3 systems {(1,4,100.0%), (1,4,100.0%), (1,4,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.004755/0.8301, allocations: 2.799 MB / 0.7565 GB, free: 115.4 MB / 0.5762 GB Notification: Performance of simCode: created initialization part: time 0.002092/0.8322, allocations: 1.146 MB / 0.7576 GB, free: 114.8 MB / 0.5762 GB Notification: Performance of simCode: created event and clocks part: time 7.474e-06/0.8322, allocations: 2.75 kB / 0.7576 GB, free: 114.8 MB / 0.5762 GB Notification: Performance of simCode: created simulation system equations: time 0.001111/0.8333, allocations: 0.7844 MB / 0.7584 GB, free: 114.3 MB / 0.5762 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002562/0.8359, allocations: 0.532 MB / 0.7589 GB, free: 114.2 MB / 0.5762 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02388/0.8598, allocations: 10.72 MB / 0.7694 GB, free: 109.1 MB / 0.5762 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008716/0.8607, allocations: 1.272 MB / 0.7706 GB, free: 108.4 MB / 0.5762 GB Notification: Performance of simCode: alias equations: time 0.001351/0.862, allocations: 297.4 kB / 0.7709 GB, free: 108.3 MB / 0.5762 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008585/0.8629, allocations: 0.701 MB / 0.7716 GB, free: 107.8 MB / 0.5762 GB Notification: Performance of SimCode: time 2.205e-06/0.8629, allocations: 0 / 0.7716 GB, free: 107.8 MB / 0.5762 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1121/0.975, allocations: 46.4 MB / 0.8169 GB, free: 66.24 MB / 0.5762 GB Notification: Performance of buildModelFMU: Generate platform static: time 15.69/16.67, allocations: 19.84 kB / 0.8169 GB, free: 66.22 MB / 0.5762 GB " [Timeout remaining time 643] (rm -f ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve.pipe ; mkfifo ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve.pipe ; head -c 1048576 < ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve.pipe >> ../files/ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve.sim & python3 -m fmpy simulate --output-file ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve_res.csv --start-time 0 --stop-time 20 --timeout 1200 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.02 ThermofluidStream_ThermofluidStream_FlowControl_Tests_BasicControlValve.fmu > ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve.pipe 2>&1) [Timeout 1260.0] diffSimulationResults("ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve_res.csv","/mnt/ReferenceFiles/ThermofluidStream-main-regression/ReferenceData/ThermofluidStream.FlowControl.Tests.BasicControlValve_ref.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "Error: Could not read variable Time in file ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve_res.csv. Warning: Get data of variable Time from file ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve_res.csv failed! Error: Could not read variable source.outlet.m_flow in file ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve_res.csv. Warning: Get data of variable source.outlet.m_flow from file ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve_res.csv failed! Error: Could not read variable source1.outlet.m_flow in file ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve_res.csv. Warning: Get data of variable source1.outlet.m_flow from file ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve_res.csv failed! Error: Could not read variable source2.outlet.m_flow in file ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve_res.csv. Warning: Get data of variable source2.outlet.m_flow from file ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve_res.csv failed! " [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 21.14525093899647]