Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.0.0_ModelicaTest.MultiBody.Joints.Cylindrical.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 0.001668/0.001668, allocations: 105.1 kB / 21.21 MB, free: 0.6484 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 0.00181/0.00181, allocations: 212.5 kB / 24.51 MB, free: 3.938 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 1.495/1.495, allocations: 230.6 MB / 258.3 MB, free: 7.992 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo): time 0.2333/0.2333, allocations: 44.93 MB / 359.6 MB, free: 6.102 MB / 286.1 MB " [Timeout remaining time 180] Using package ModelicaTest with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/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(ModelicaTest.MultiBody.Joints.Cylindrical,fileNamePrefix="ModelicaTest_4_0_0_ModelicaTest_MultiBody_Joints_Cylindrical",fmuType="cs",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.MultiBody.Joints.Cylindrical,fileNamePrefix="ModelicaTest_4_0_0_ModelicaTest_MultiBody_Joints_Cylindrical",fmuType="cs",version="2.0",platforms={"static"}) [Timeout 660] "Notification: ModelicaTest 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 0.002509/0.002509, allocations: 63.89 kB / 0.4938 GB, free: 10.57 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4718/0.4743, allocations: 65.47 MB / 0.5577 GB, free: 7.363 MB / 398.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.Joints.Cylindrical): time 0.01579/0.4901, allocations: 11.7 MB / 0.5692 GB, free: 11.81 MB / 414.1 MB Notification: Performance of NFInst.instExpressions: time 0.01142/0.5015, allocations: 3.974 MB / 0.573 GB, free: 7.828 MB / 414.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002867/0.5043, allocations: 79.69 kB / 0.5731 GB, free: 7.75 MB / 414.1 MB Notification: Performance of NFTyping.typeComponents: time 0.00431/0.5087, allocations: 1.775 MB / 0.5748 GB, free: 5.969 MB / 414.1 MB Notification: Performance of NFTyping.typeBindings: time 0.005668/0.5143, allocations: 1.884 MB / 0.5767 GB, free: 4.078 MB / 414.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.001499/0.5158, allocations: 0.5459 MB / 0.5772 GB, free: 3.531 MB / 414.1 MB Notification: Performance of NFFlatten.flatten: time 0.006105/0.5219, allocations: 3.89 MB / 0.581 GB, free: 15.64 MB / 430.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.003282/0.5252, allocations: 2.286 MB / 0.5833 GB, free: 13.3 MB / 430.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.002428/0.5276, allocations: 1.401 MB / 0.5846 GB, free: 11.89 MB / 430.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.003237/0.5309, allocations: 2.126 MB / 0.5867 GB, free: 9.758 MB / 430.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0007687/0.5316, allocations: 292 kB / 0.587 GB, free: 9.473 MB / 430.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.002102/0.5337, allocations: 0.9088 MB / 0.5879 GB, free: 8.562 MB / 430.1 MB Notification: Performance of NFScalarize.scalarize: time 0.001952/0.5357, allocations: 1.78 MB / 0.5896 GB, free: 6.777 MB / 430.1 MB Notification: Performance of NFVerifyModel.verify: time 0.002981/0.5387, allocations: 1.525 MB / 0.5911 GB, free: 5.242 MB / 430.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01216/0.5508, allocations: 6.944 MB / 0.5979 GB, free: 14.27 MB / 446.1 MB Notification: Performance of FrontEnd - DAE generated: time 1.273e-05/0.5509, allocations: 0 / 0.5979 GB, free: 14.27 MB / 446.1 MB Notification: Performance of FrontEnd: time 3.537e-06/0.5509, allocations: 0 / 0.5979 GB, free: 14.27 MB / 446.1 MB Notification: Performance of Transformations before backend: time 0.0003046/0.5512, allocations: 4 kB / 0.5979 GB, free: 14.27 MB / 446.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1641 * Number of variables: 1641 Notification: Performance of Generate backend data structure: time 0.01516/0.5663, allocations: 4.577 MB / 0.6023 GB, free: 9.629 MB / 446.1 MB Notification: Performance of prepare preOptimizeDAE: time 8.831e-05/0.5664, allocations: 19.97 kB / 0.6024 GB, free: 9.609 MB / 446.1 MB Notification: Performance of preOpt introduceOutputRealDerivatives (simulation): time 0.000315/0.5667, allocations: 101.8 kB / 0.6025 GB, free: 9.508 MB / 446.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.003141/0.5699, allocations: 0.7619 MB / 0.6032 GB, free: 8.734 MB / 446.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01172/0.5816, allocations: 3.153 MB / 0.6063 GB, free: 5.574 MB / 446.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007001/0.5886, allocations: 2.298 MB / 0.6085 GB, free: 3.242 MB / 446.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003068/0.5889, allocations: 221.4 kB / 0.6087 GB, free: 3.023 MB / 446.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001641/0.5905, allocations: 283.8 kB / 0.609 GB, free: 2.746 MB / 446.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02633/0.6169, allocations: 11.11 MB / 0.6199 GB, free: 7.164 MB / 462.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001497/0.617, allocations: 31.7 kB / 0.6199 GB, free: 7.133 MB / 462.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006487/0.6177, allocations: 139.8 kB / 0.62 GB, free: 6.996 MB / 462.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.005076/0.6227, allocations: 2.624 MB / 0.6226 GB, free: 4.367 MB / 462.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02297/0.6457, allocations: 10.37 MB / 0.6327 GB, free: 9.977 MB / 478.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.06066/0.7064, allocations: 34.63 MB / 0.6665 GB, free: 6.438 MB / 0.4981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0092/0.7156, allocations: 3.469 MB / 0.6699 GB, free: 2.961 MB / 0.4981 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.003678/0.7192, allocations: 2.228 MB / 0.6721 GB, free: 0.7344 MB / 0.4981 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0009504/0.7202, allocations: 445.3 kB / 0.6725 GB, free: 308 kB / 0.4981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.992e-05/0.7202, allocations: 56.5 kB / 0.6726 GB, free: 240 kB / 0.4981 GB Notification: Performance of pre-optimization done (n=242): time 6.342e-06/0.7202, allocations: 0 / 0.6726 GB, free: 240 kB / 0.4981 GB Notification: Performance of matching and sorting (n=254): time 0.04508/0.7653, allocations: 17.49 MB / 0.6897 GB, free: 14.74 MB / 0.5294 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.585e-05/0.7654, allocations: 73.41 kB / 0.6897 GB, free: 14.66 MB / 0.5294 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004109/0.7695, allocations: 2.747 MB / 0.6924 GB, free: 11.89 MB / 0.5294 GB Notification: Performance of collectPreVariables (initialization): time 0.0004114/0.7699, allocations: 61.7 kB / 0.6925 GB, free: 11.83 MB / 0.5294 GB Notification: Performance of collectInitialEqns (initialization): time 0.002317/0.7722, allocations: 2.886 MB / 0.6953 GB, free: 8.918 MB / 0.5294 GB Notification: Performance of collectInitialBindings (initialization): time 0.001251/0.7735, allocations: 0.961 MB / 0.6962 GB, free: 7.949 MB / 0.5294 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001696/0.7752, allocations: 1.072 MB / 0.6973 GB, free: 6.867 MB / 0.5294 GB Notification: Performance of setup shared object (initialization): time 0.0001233/0.7753, allocations: 301.1 kB / 0.6976 GB, free: 6.57 MB / 0.5294 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003637/0.7789, allocations: 2.31 MB / 0.6998 GB, free: 4.254 MB / 0.5294 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00837/0.7873, allocations: 5.214 MB / 0.7049 GB, free: 13.62 MB / 0.545 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01642/0.8037, allocations: 8.253 MB / 0.713 GB, free: 3.945 MB / 0.545 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001582/0.8039, allocations: 28 kB / 0.713 GB, free: 3.918 MB / 0.545 GB Notification: Performance of matching and sorting (n=714) (initialization): time 0.01732/0.8212, allocations: 8.287 MB / 0.7211 GB, free: 11.62 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001002/0.8213, allocations: 48 kB / 0.7211 GB, free: 11.58 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001659/0.8215, allocations: 100 kB / 0.7212 GB, free: 11.48 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.003056/0.8245, allocations: 0.9409 MB / 0.7221 GB, free: 10.54 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00471/0.8292, allocations: 1.224 MB / 0.7233 GB, free: 9.309 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.007619/0.8369, allocations: 5.005 MB / 0.7282 GB, free: 4.188 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004113/0.841, allocations: 291.8 kB / 0.7285 GB, free: 3.902 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001095/0.8421, allocations: 308 kB / 0.7288 GB, free: 3.602 MB / 0.5606 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 459 * Number of states: 0 () * Number of discrete variables: 35 (axis.arrowLine.twoHeadedArrow,axis.headAtOrigin,frame_a1.color_x[3],frame_a1.color_x[2],frame_a1.color_x[1],frame_a.color_x[3],frame_a.color_x[2],frame_a.color_x[1],body.sphereColor[3],body.sphereColor[2],body.sphereColor[1],cylindrical.cylinderColor[3],cylindrical.cylinderColor[2],cylindrical.cylinderColor[1],cylindrical.revolute.cylinderColor[3],cylindrical.revolute.cylinderColor[2],cylindrical.revolute.cylinderColor[1],cylindrical.prismatic.boxColor[3],cylindrical.prismatic.boxColor[2],cylindrical.prismatic.boxColor[1],axis.color[3],axis.color[2],axis.color[1],world.groundColor[3],world.groundColor[2],world.groundColor[1],world.gravitySphereColor[3],world.gravitySphereColor[2],world.gravitySphereColor[1],world.gravityArrowColor[3],world.gravityArrowColor[2],world.gravityArrowColor[1],world.axisColor_x[3],world.axisColor_x[2],world.axisColor_x[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (653): * Single equations (assignments): 646 * Array equations: 6 * 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 {(4,10,75.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.004561/0.8466, allocations: 2.147 MB / 0.7309 GB, free: 1.445 MB / 0.5606 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006083/0.8472, allocations: 294 kB / 0.7312 GB, free: 1.156 MB / 0.5606 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2804/1.128, allocations: 5.121 MB / 0.7362 GB, free: 158.2 MB / 0.5606 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.16e-05/1.128, allocations: 46.77 kB / 0.7362 GB, free: 158.2 MB / 0.5606 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.515e-05/1.128, allocations: 3.688 kB / 0.7362 GB, free: 158.2 MB / 0.5606 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.911e-05/1.128, allocations: 8.719 kB / 0.7362 GB, free: 158.2 MB / 0.5606 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01886/1.147, allocations: 11.42 MB / 0.7474 GB, free: 153.5 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.885e-05/1.147, allocations: 8 kB / 0.7474 GB, free: 153.5 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001532/1.148, allocations: 398.7 kB / 0.7478 GB, free: 153.2 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.002182/1.15, allocations: 0.7748 MB / 0.7485 GB, free: 152.7 MB / 0.5606 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002767/1.151, allocations: 47.28 kB / 0.7486 GB, free: 152.7 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004396/1.155, allocations: 4.252 MB / 0.7527 GB, free: 148.9 MB / 0.5606 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.825e-06/1.155, allocations: 15.94 kB / 0.7527 GB, free: 148.9 MB / 0.5606 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.009174/1.164, allocations: 7.637 MB / 0.7602 GB, free: 141.3 MB / 0.5606 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0007566/1.165, allocations: 263.3 kB / 0.7604 GB, free: 141.2 MB / 0.5606 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004728/1.165, allocations: 48 kB / 0.7605 GB, free: 141.2 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00119/1.167, allocations: 143.8 kB / 0.7606 GB, free: 141 MB / 0.5606 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003287/1.167, allocations: 164.8 kB / 0.7608 GB, free: 140.9 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001496/1.167, allocations: 78.89 kB / 0.7609 GB, free: 140.8 MB / 0.5606 GB Notification: Performance of sorting global known variables: time 0.002062/1.169, allocations: 1.685 MB / 0.7625 GB, free: 139.1 MB / 0.5606 GB Notification: Performance of sort global known variables: time 1e-07/1.169, allocations: 0 / 0.7625 GB, free: 139.1 MB / 0.5606 GB Notification: Performance of remove unused functions: time 0.003694/1.173, allocations: 0.9664 MB / 0.7635 GB, free: 138.1 MB / 0.5606 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 43 * Number of states: 4 (cylindrical.s,cylindrical.phi,cylindrical.v,cylindrical.w) * 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 (196): * Single equations (assignments): 189 * Array equations: 6 * 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 {(2,9,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.008914/1.182, allocations: 8.294 MB / 0.7716 GB, free: 129.9 MB / 0.5606 GB Notification: Performance of simCode: created initialization part: time 0.007696/1.19, allocations: 5.418 MB / 0.7768 GB, free: 124.5 MB / 0.5606 GB Notification: Performance of simCode: created event and clocks part: time 1.698e-05/1.19, allocations: 4 kB / 0.7768 GB, free: 124.5 MB / 0.5606 GB Notification: Performance of simCode: created simulation system equations: time 0.002456/1.192, allocations: 1.998 MB / 0.7788 GB, free: 122.5 MB / 0.5606 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002502/1.195, allocations: 406.7 kB / 0.7792 GB, free: 122.1 MB / 0.5606 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.05278/1.247, allocations: 42.36 MB / 0.8206 GB, free: 75.34 MB / 0.5606 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003289/1.251, allocations: 2.836 MB / 0.8233 GB, free: 72.46 MB / 0.5606 GB Notification: Performance of simCode: alias equations: time 0.005912/1.256, allocations: 1.974 MB / 0.8253 GB, free: 70.48 MB / 0.5606 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00399/1.26, allocations: 1.835 MB / 0.827 GB, free: 68.64 MB / 0.5606 GB Notification: Performance of SimCode: time 2.475e-06/1.26, allocations: 0 / 0.827 GB, free: 68.64 MB / 0.5606 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1056/1.366, allocations: 62.19 MB / 0.8878 GB, free: 7.098 MB / 0.5606 GB Notification: Performance of buildModelFMU: Generate platform static: time 24.54/25.91, allocations: 7.156 kB / 0.8878 GB, free: 7.094 MB / 0.5606 GB " [Timeout remaining time 634] (rm -f ModelicaTest_4.0.0_ModelicaTest.MultiBody.Joints.Cylindrical.pipe ; mkfifo ModelicaTest_4.0.0_ModelicaTest.MultiBody.Joints.Cylindrical.pipe ; head -c 1048576 < ModelicaTest_4.0.0_ModelicaTest.MultiBody.Joints.Cylindrical.pipe >> ../files/ModelicaTest_4.0.0_ModelicaTest.MultiBody.Joints.Cylindrical.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=ModelicaTest_4.0.0_ModelicaTest.MultiBody.Joints.Cylindrical_res.mat --tempDir=temp_ModelicaTest_4_0_0_ModelicaTest_MultiBody_Joints_Cylindrical_fmu --startTime=0 --stopTime=1.1 --stepSize=0.000219912 --timeout=50 --tolerance=1e-06 ModelicaTest_4_0_0_ModelicaTest_MultiBody_Joints_Cylindrical.fmu > ModelicaTest_4.0.0_ModelicaTest.MultiBody.Joints.Cylindrical.pipe 2>&1) [Timeout 52.5] diffSimulationResults("ModelicaTest_4.0.0_ModelicaTest.MultiBody.Joints.Cylindrical_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/ModelicaTest/MultiBody/Joints/Cylindrical/Cylindrical.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_4.0.0_ModelicaTest.MultiBody.Joints.Cylindrical.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: 30.04905729892198]