Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ThermofluidStream_ThermofluidStream.Processes.Tests.Pump.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 0.001835/0.001835, allocations: 113.8 kB / 19.73 MB, free: 2.242 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 0.002203/0.002203, allocations: 219.6 kB / 23.04 MB, free: 5.074 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 1.405/1.405, allocations: 230.6 MB / 256.8 MB, free: 8.016 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 0.7618/0.7618, allocations: 94.56 MB / 407.8 MB, free: 9.207 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.Processes.Tests.Pump,fileNamePrefix="ThermofluidStream_ThermofluidStream_Processes_Tests_Pump",fmuType="cs",version="2.0",platforms={"static"}) "" <> buildModelFMU(ThermofluidStream.Processes.Tests.Pump,fileNamePrefix="ThermofluidStream_ThermofluidStream_Processes_Tests_Pump",fmuType="cs",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 0.00246/0.00246, allocations: 82.75 kB / 0.5557 GB, free: 38.82 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1345/0.1369, allocations: 73.06 MB / 0.6271 GB, free: 0.5 MB / 462.1 MB Notification: Performance of NFInst.instantiate(ThermofluidStream.Processes.Tests.Pump): time 0.08109/0.218, allocations: 68.11 MB / 0.6936 GB, free: 12.16 MB / 0.5294 GB Notification: Performance of NFInst.instExpressions: time 0.03541/0.2534, allocations: 27.12 MB / 0.7201 GB, free: 0.9531 MB / 0.545 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001274/0.2547, allocations: 59.44 kB / 0.7201 GB, free: 0.8945 MB / 0.545 GB Notification: Performance of NFTyping.typeComponents: time 0.001606/0.2563, allocations: 0.516 MB / 0.7206 GB, free: 384 kB / 0.545 GB Notification: Performance of NFTyping.typeBindings: time 0.003935/0.2602, allocations: 1.293 MB / 0.7219 GB, free: 15.07 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.004519/0.2648, allocations: 1.666 MB / 0.7235 GB, free: 13.4 MB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.003007/0.2678, allocations: 1.962 MB / 0.7254 GB, free: 11.43 MB / 0.5606 GB Notification: Performance of NFFlatten.resolveConnections: time 0.000489/0.2683, allocations: 215.9 kB / 0.7256 GB, free: 11.21 MB / 0.5606 GB Notification: Performance of NFEvalConstants.evaluate: time 0.04702/0.3153, allocations: 20.49 MB / 0.7456 GB, free: 6.555 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001947/0.3172, allocations: 0.8676 MB / 0.7465 GB, free: 5.684 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.0004011/0.3176, allocations: 120 kB / 0.7466 GB, free: 5.566 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.5982/0.9158, allocations: 126.7 MB / 0.8703 GB, free: 15.54 MB / 0.6387 GB Notification: Performance of NFScalarize.scalarize: time 0.0006248/0.9164, allocations: 334 kB / 0.8706 GB, free: 15.28 MB / 0.6387 GB Notification: Performance of NFVerifyModel.verify: time 0.0009222/0.9173, allocations: 0.6893 MB / 0.8713 GB, free: 14.81 MB / 0.6387 GB Notification: Performance of NFConvertDAE.convert: time 0.005245/0.9226, allocations: 2.904 MB / 0.8741 GB, free: 12.27 MB / 0.6387 GB Notification: Performance of FrontEnd - DAE generated: time 3.917e-06/0.9226, allocations: 4 kB / 0.8742 GB, free: 12.27 MB / 0.6387 GB Notification: Performance of FrontEnd: time 2.285e-06/0.9226, allocations: 0 / 0.8742 GB, free: 12.27 MB / 0.6387 GB Notification: Performance of Transformations before backend: time 2.016e-05/0.9226, allocations: 0 / 0.8742 GB, free: 12.27 MB / 0.6387 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 248 * Number of variables: 248 Notification: Performance of Generate backend data structure: time 0.004249/0.9268, allocations: 1.999 MB / 0.8761 GB, free: 10.27 MB / 0.6387 GB Notification: Performance of prepare preOptimizeDAE: time 4.868e-05/0.9269, allocations: 12.03 kB / 0.8761 GB, free: 10.26 MB / 0.6387 GB Notification: Performance of preOpt introduceOutputRealDerivatives (simulation): time 3.812e-05/0.9269, allocations: 25.47 kB / 0.8761 GB, free: 10.24 MB / 0.6387 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001859/0.9271, allocations: 152.3 kB / 0.8763 GB, free: 10.08 MB / 0.6387 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003013/0.9274, allocations: 152.9 kB / 0.8764 GB, free: 9.934 MB / 0.6387 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00144/0.9289, allocations: 0.8031 MB / 0.8772 GB, free: 9.16 MB / 0.6387 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002716/0.9291, allocations: 350.8 kB / 0.8776 GB, free: 8.758 MB / 0.6387 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001816/0.9293, allocations: 103.9 kB / 0.8777 GB, free: 8.656 MB / 0.6387 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002569/0.9319, allocations: 1.457 MB / 0.8791 GB, free: 7.16 MB / 0.6387 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.684e-05/0.9319, allocations: 7.984 kB / 0.8791 GB, free: 7.152 MB / 0.6387 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001087/0.932, allocations: 39.36 kB / 0.8791 GB, free: 7.117 MB / 0.6387 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.628e-05/0.9321, allocations: 42 kB / 0.8792 GB, free: 7.074 MB / 0.6387 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003173/0.9353, allocations: 1.658 MB / 0.8808 GB, free: 5.426 MB / 0.6387 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.008301/0.9436, allocations: 5.145 MB / 0.8858 GB, free: 172 kB / 0.6387 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002841/0.9464, allocations: 1.221 MB / 0.887 GB, free: 14.95 MB / 0.6544 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001439/0.9478, allocations: 0.7295 MB / 0.8877 GB, free: 14.21 MB / 0.6544 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001476/0.9493, allocations: 403.6 kB / 0.8881 GB, free: 13.84 MB / 0.6544 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.467e-05/0.9494, allocations: 43.56 kB / 0.8881 GB, free: 13.79 MB / 0.6544 GB Notification: Performance of pre-optimization done (n=131): time 3.747e-06/0.9494, allocations: 1.75 kB / 0.8881 GB, free: 13.79 MB / 0.6544 GB Notification: Performance of matching and sorting (n=134): time 0.009441/0.9588, allocations: 4.192 MB / 0.8922 GB, free: 9.633 MB / 0.6544 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.078e-05/0.9589, allocations: 93.39 kB / 0.8923 GB, free: 9.527 MB / 0.6544 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001104/0.96, allocations: 0.7657 MB / 0.8931 GB, free: 8.738 MB / 0.6544 GB Notification: Performance of collectPreVariables (initialization): time 0.0001288/0.9601, allocations: 53.69 kB / 0.8931 GB, free: 8.68 MB / 0.6544 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004633/0.9606, allocations: 441.9 kB / 0.8935 GB, free: 8.242 MB / 0.6544 GB Notification: Performance of collectInitialBindings (initialization): time 0.0005198/0.9611, allocations: 494.9 kB / 0.894 GB, free: 7.766 MB / 0.6544 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003893/0.9615, allocations: 222.9 kB / 0.8942 GB, free: 7.543 MB / 0.6544 GB Notification: Performance of setup shared object (initialization): time 0.0001705/0.9617, allocations: 349.9 kB / 0.8946 GB, free: 7.195 MB / 0.6544 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001294/0.9629, allocations: 0.5725 MB / 0.8951 GB, free: 6.625 MB / 0.6544 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001438/0.9644, allocations: 0.7023 MB / 0.8958 GB, free: 5.891 MB / 0.6544 GB Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: $DER.pump.omega = pump.omega_dot_0 (0.0 = pump.omega_dot_0) Notification: Performance of analyzeInitialSystem (initialization): time 0.003035/0.9674, allocations: 1.36 MB / 0.8971 GB, free: 4.516 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.073e-06/0.9674, allocations: 5.828 kB / 0.8971 GB, free: 4.512 MB / 0.6544 GB Notification: Performance of matching and sorting (n=149) (initialization): time 0.004384/0.9718, allocations: 1.848 MB / 0.8989 GB, free: 2.672 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 2.457e-05/0.9718, allocations: 8 kB / 0.8989 GB, free: 2.664 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.281e-05/0.9719, allocations: 8 kB / 0.899 GB, free: 2.656 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002566/0.9744, allocations: 0.6172 MB / 0.8996 GB, free: 2.043 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001/0.9754, allocations: 207.5 kB / 0.8998 GB, free: 1.852 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003329/0.9788, allocations: 2.685 MB / 0.9024 GB, free: 15.04 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009358/0.9797, allocations: 51.92 kB / 0.9024 GB, free: 14.99 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001322/0.9798, allocations: 59.95 kB / 0.9025 GB, free: 14.93 MB / 0.67 GB Warning: The initial conditions are over specified. The following 1 initial equations are redundant, so they are removed from the initialization system: $DER.pump.omega = pump.omega_dot_0. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 11 * 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 (103): * Single equations (assignments): 97 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(5,35)} Notification: Performance of prepare postOptimizeDAE: time 0.0005636/0.9804, allocations: 275.7 kB / 0.9027 GB, free: 14.66 MB / 0.67 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002783/0.9807, allocations: 129.3 kB / 0.9029 GB, free: 14.54 MB / 0.67 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004733/0.9854, allocations: 2.312 MB / 0.9051 GB, free: 12.23 MB / 0.67 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.697e-05/0.9854, allocations: 12 kB / 0.9051 GB, free: 12.22 MB / 0.67 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.021e-05/0.9854, allocations: 4 kB / 0.9051 GB, free: 12.21 MB / 0.67 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.463e-05/0.9854, allocations: 7.984 kB / 0.9051 GB, free: 12.21 MB / 0.67 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005585/0.991, allocations: 2.947 MB / 0.908 GB, free: 9.254 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.164e-05/0.9911, allocations: 11.98 kB / 0.908 GB, free: 9.242 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001101/0.9922, allocations: 202.7 kB / 0.9082 GB, free: 9.055 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0008686/0.993, allocations: 296 kB / 0.9085 GB, free: 8.766 MB / 0.67 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001207/0.9932, allocations: 43.95 kB / 0.9086 GB, free: 8.723 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.005512/0.9987, allocations: 4.417 MB / 0.9129 GB, free: 4.117 MB / 0.67 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.194e-06/0.9987, allocations: 0 / 0.9129 GB, free: 4.117 MB / 0.67 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005421/1.004, allocations: 2.562 MB / 0.9154 GB, free: 1.547 MB / 0.67 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0006088/1.005, allocations: 246.3 kB / 0.9156 GB, free: 1.309 MB / 0.67 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001942/1.005, allocations: 28 kB / 0.9156 GB, free: 1.281 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007505/1.006, allocations: 35.97 kB / 0.9157 GB, free: 1.246 MB / 0.67 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002033/1.006, allocations: 104.6 kB / 0.9158 GB, free: 1.145 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001093/1.006, allocations: 51.95 kB / 0.9158 GB, free: 1.094 MB / 0.67 GB Notification: Performance of sorting global known variables: time 0.0008294/1.007, allocations: 0.588 MB / 0.9164 GB, free: 0.4961 MB / 0.67 GB Notification: Performance of sort global known variables: time 7e-08/1.007, allocations: 0 / 0.9164 GB, free: 0.4961 MB / 0.67 GB Notification: Performance of remove unused functions: time 0.001794/1.009, allocations: 0.6815 MB / 0.9171 GB, free: 15.81 MB / 0.6856 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 9 (pump4.m_flow,pump.m_flow,pump1.m_flow,pump1.phi,pump1.omega,pump2.m_flow,pump3.m_flow,pump3.phi,pump3.omega) * 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 (96): * Single equations (assignments): 89 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 5 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,2,100.0%), (5,17,76.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.007082/1.016, allocations: 3.845 MB / 0.9208 GB, free: 12.04 MB / 0.6856 GB Notification: Performance of simCode: created initialization part: time 0.004222/1.02, allocations: 1.692 MB / 0.9225 GB, free: 10.32 MB / 0.6856 GB Notification: Performance of simCode: created event and clocks part: time 7.574e-06/1.02, allocations: 0 / 0.9225 GB, free: 10.32 MB / 0.6856 GB Notification: Performance of simCode: created simulation system equations: time 0.002707/1.023, allocations: 1.244 MB / 0.9237 GB, free: 9.043 MB / 0.6856 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002168/1.025, allocations: 421.9 kB / 0.9241 GB, free: 8.656 MB / 0.6856 GB [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:10487:11-10487:220:writable] Error: Internal error Unexpected expression (should have been handled earlier, probably in the front-end. Unit/displayUnit expression is not a string literal: ThermofluidStream.Sensors.Internal.getFlowUnit(pump3.outputQuantity) [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:10487:11-10487:220:writable] Error: Internal error Unexpected expression (should have been handled earlier, probably in the front-end. Unit/displayUnit expression is not a string literal: ThermofluidStream.Sensors.Internal.getFlowUnit(pump4.outputQuantity) Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03184/1.057, allocations: 11.58 MB / 0.9354 GB, free: 13.01 MB / 0.7012 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001336/1.058, allocations: 1.124 MB / 0.9365 GB, free: 11.86 MB / 0.7012 GB Notification: Performance of simCode: alias equations: time 0.001599/1.06, allocations: 262.5 kB / 0.9367 GB, free: 11.61 MB / 0.7012 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001204/1.061, allocations: 487.2 kB / 0.9372 GB, free: 11.13 MB / 0.7012 GB Notification: Performance of SimCode: time 1.393e-06/1.061, allocations: 0 / 0.9372 GB, free: 11.13 MB / 0.7012 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1118/1.173, allocations: 43.31 MB / 0.9795 GB, free: 276 kB / 0.7325 GB Notification: Performance of buildModelFMU: Generate platform static: time 15.75/16.93, allocations: 2.5 kB / 0.9795 GB, free: 276 kB / 0.7325 GB " [Timeout remaining time 643] (rm -f ThermofluidStream_ThermofluidStream.Processes.Tests.Pump.pipe ; mkfifo ThermofluidStream_ThermofluidStream.Processes.Tests.Pump.pipe ; head -c 1048576 < ThermofluidStream_ThermofluidStream.Processes.Tests.Pump.pipe >> ../files/ThermofluidStream_ThermofluidStream.Processes.Tests.Pump.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=ThermofluidStream_ThermofluidStream.Processes.Tests.Pump_res.mat --tempDir=temp_ThermofluidStream_ThermofluidStream_Processes_Tests_Pump_fmu --startTime=0 --stopTime=30 --stepSize=0.03 --timeout=1200 --tolerance=1e-06 ThermofluidStream_ThermofluidStream_Processes_Tests_Pump.fmu > ThermofluidStream_ThermofluidStream.Processes.Tests.Pump.pipe 2>&1) [Timeout 1260.0] diffSimulationResults("ThermofluidStream_ThermofluidStream.Processes.Tests.Pump_res.mat","/mnt/ReferenceFiles/ThermofluidStream-main-regression/ReferenceData/ThermofluidStream.Processes.Tests.Pump_ref.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ThermofluidStream_ThermofluidStream.Processes.Tests.Pump.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "" [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 20.598643065080978]