Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_4.0.0_Modelica.Clocked.Examples.Elementary.IntegerSignals.Sample2.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 0.001767/0.001767, allocations: 112.2 kB / 20.43 MB, free: 1.457 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 0.002025/0.002025, allocations: 180.8 kB / 23.71 MB, free: 4.695 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 1.514/1.514, allocations: 225.6 MB / 252.5 MB, free: 13 MB / 206.1 MB " [Timeout remaining time 178] 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: translateModel(Modelica.Clocked.Examples.Elementary.IntegerSignals.Sample2,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5011,variableFilter="time|sample1.y|sample2.y|hold1.y",fileNamePrefix="Modelica_4.0.0_Modelica.Clocked.Examples.Elementary.IntegerSignals.Sample2") translateModel(Modelica.Clocked.Examples.Elementary.IntegerSignals.Sample2,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5011,variableFilter="time|sample1.y|sample2.y|hold1.y",fileNamePrefix="Modelica_4.0.0_Modelica.Clocked.Examples.Elementary.IntegerSignals.Sample2") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 0.001657/0.001657, allocations: 51.91 kB / 370.9 MB, free: 9.344 MB / 302.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3623/0.3639, allocations: 52.18 MB / 423.1 MB, free: 14.65 MB / 334.1 MB Notification: Performance of NFInst.instantiate(Modelica.Clocked.Examples.Elementary.IntegerSignals.Sample2): time 0.004801/0.3687, allocations: 1.639 MB / 424.8 MB, free: 13.01 MB / 334.1 MB Notification: Performance of NFInst.instExpressions: time 0.0007655/0.3695, allocations: 195.4 kB / 424.9 MB, free: 12.82 MB / 334.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001176/0.3696, allocations: 0 / 424.9 MB, free: 12.82 MB / 334.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0001318/0.3697, allocations: 7.875 kB / 425 MB, free: 12.81 MB / 334.1 MB Notification: Performance of NFTyping.typeBindings: time 0.000173/0.3699, allocations: 15.86 kB / 425 MB, free: 12.79 MB / 334.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0003094/0.3702, allocations: 51.89 kB / 425 MB, free: 12.74 MB / 334.1 MB Notification: Performance of NFFlatten.flatten: time 0.0001944/0.3704, allocations: 63.77 kB / 425.1 MB, free: 12.68 MB / 334.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0002062/0.3706, allocations: 27.98 kB / 425.1 MB, free: 12.65 MB / 334.1 MB Notification: Performance of NFEvalConstants.evaluate: time 5.77e-05/0.3707, allocations: 27.91 kB / 425.1 MB, free: 12.62 MB / 334.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0001444/0.3708, allocations: 43.78 kB / 425.2 MB, free: 12.58 MB / 334.1 MB Notification: Performance of NFPackage.collectConstants: time 3.716e-05/0.3709, allocations: 4 kB / 425.2 MB, free: 12.58 MB / 334.1 MB Notification: Performance of NFFlatten.collectFunctions: time 3.959e-05/0.3709, allocations: 8 kB / 425.2 MB, free: 12.57 MB / 334.1 MB Notification: Performance of NFScalarize.scalarize: time 9.285e-05/0.371, allocations: 23.92 kB / 425.2 MB, free: 12.55 MB / 334.1 MB Notification: Performance of NFVerifyModel.verify: time 8.502e-05/0.3711, allocations: 43.67 kB / 425.3 MB, free: 12.5 MB / 334.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0002638/0.3713, allocations: 92.78 kB / 425.3 MB, free: 12.42 MB / 334.1 MB Notification: Performance of FrontEnd - DAE generated: time 1.221e-05/0.3713, allocations: 0 / 425.3 MB, free: 12.42 MB / 334.1 MB Notification: Performance of FrontEnd: time 3.747e-06/0.3713, allocations: 0 / 425.3 MB, free: 12.42 MB / 334.1 MB Notification: Performance of Transformations before backend: time 1.082e-05/0.3714, allocations: 0 / 425.3 MB, free: 12.42 MB / 334.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 17 * Number of variables: 17 Notification: Performance of Generate backend data structure: time 0.0009457/0.3723, allocations: 341.7 kB / 425.7 MB, free: 12.05 MB / 334.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.352e-05/0.3724, allocations: 12.03 kB / 425.7 MB, free: 12.04 MB / 334.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 5.737e-05/0.3724, allocations: 16.84 kB / 425.7 MB, free: 12.02 MB / 334.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003509/0.3728, allocations: 146.3 kB / 425.8 MB, free: 11.86 MB / 334.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.446e-05/0.3728, allocations: 4.375 kB / 425.9 MB, free: 11.85 MB / 334.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 3.114e-05/0.3728, allocations: 12.38 kB / 425.9 MB, free: 11.84 MB / 334.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.000524/0.3733, allocations: 214.2 kB / 426.1 MB, free: 11.61 MB / 334.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 9.938e-06/0.3733, allocations: 192 / 426.1 MB, free: 11.61 MB / 334.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.792e-05/0.3734, allocations: 7.938 kB / 426.1 MB, free: 11.6 MB / 334.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.993e-06/0.3734, allocations: 4 kB / 426.1 MB, free: 11.6 MB / 334.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0001399/0.3735, allocations: 51.91 kB / 426.1 MB, free: 11.55 MB / 334.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0006086/0.3741, allocations: 353 kB / 426.5 MB, free: 11.15 MB / 334.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0002155/0.3743, allocations: 123.8 kB / 426.6 MB, free: 11 MB / 334.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001496/0.3745, allocations: 78.67 kB / 426.7 MB, free: 10.92 MB / 334.1 MB Notification: Performance of preOpt evalFunc (simulation): time 2.695e-05/0.3745, allocations: 0 / 426.7 MB, free: 10.92 MB / 334.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.383e-05/0.3745, allocations: 46.48 kB / 426.7 MB, free: 10.86 MB / 334.1 MB Notification: Performance of pre-optimization done (n=12): time 1.132e-06/0.3745, allocations: 0 / 426.7 MB, free: 10.86 MB / 334.1 MB Notification: Performance of matching and sorting (n=12): time 0.0005555/0.3751, allocations: 161.4 kB / 426.9 MB, free: 10.7 MB / 334.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 9.218e-05/0.3752, allocations: 115.1 kB / 427 MB, free: 10.56 MB / 334.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001868/0.3754, allocations: 173.6 kB / 427.2 MB, free: 10.39 MB / 334.1 MB Notification: Performance of collectPreVariables (initialization): time 2.061e-05/0.3754, allocations: 29.64 kB / 427.2 MB, free: 10.35 MB / 334.1 MB Notification: Performance of collectInitialEqns (initialization): time 8.507e-05/0.3755, allocations: 92.42 kB / 427.3 MB, free: 10.25 MB / 334.1 MB Notification: Performance of collectInitialBindings (initialization): time 2.079e-05/0.3755, allocations: 7.984 kB / 427.3 MB, free: 10.25 MB / 334.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 7.049e-05/0.3756, allocations: 33.67 kB / 427.3 MB, free: 10.21 MB / 334.1 MB Notification: Performance of setup shared object (initialization): time 0.0001812/0.3758, allocations: 322.8 kB / 427.6 MB, free: 9.883 MB / 334.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 6.116e-05/0.3758, allocations: 15.98 kB / 427.7 MB, free: 9.867 MB / 334.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001413/0.376, allocations: 89.42 kB / 427.7 MB, free: 9.746 MB / 334.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.000217/0.3762, allocations: 113.3 kB / 427.9 MB, free: 9.602 MB / 334.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.258e-05/0.3762, allocations: 7.938 kB / 427.9 MB, free: 9.594 MB / 334.1 MB Notification: Performance of matching and sorting (n=12) (initialization): time 0.000267/0.3765, allocations: 125.4 kB / 428 MB, free: 9.465 MB / 334.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.595e-05/0.3765, allocations: 4.344 kB / 428 MB, free: 9.461 MB / 334.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.3e-05/0.3765, allocations: 8 kB / 428 MB, free: 9.453 MB / 334.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 2.543e-05/0.3765, allocations: 4 kB / 428 MB, free: 9.449 MB / 334.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001414/0.3767, allocations: 23.92 kB / 428 MB, free: 9.426 MB / 334.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.267e-05/0.3767, allocations: 4 kB / 428 MB, free: 9.422 MB / 334.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 6.698e-05/0.3767, allocations: 11.92 kB / 428 MB, free: 9.41 MB / 334.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.898e-05/0.3768, allocations: 12 kB / 428 MB, free: 9.398 MB / 334.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 11 * Number of states: 0 () * Number of discrete variables: 12 (sample1.u,integerConstant.y,sum2.y,sum2.u[2],sum2.u[1],sum1.y,sum1.u[2],sum1.u[1],sample2.y,hold1.y,hold1.u,sample1.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (12): * Single equations (assignments): 12 * 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 0.0002214/0.377, allocations: 137.7 kB / 428.2 MB, free: 9.254 MB / 334.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001988/0.3772, allocations: 109.6 kB / 428.3 MB, free: 9.141 MB / 334.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 7.54e-05/0.3773, allocations: 16.72 kB / 428.3 MB, free: 9.121 MB / 334.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.424e-06/0.3773, allocations: 12.34 kB / 428.3 MB, free: 9.109 MB / 334.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.576e-06/0.3773, allocations: 0 / 428.3 MB, free: 9.109 MB / 334.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.4e-06/0.3773, allocations: 0 / 428.3 MB, free: 9.109 MB / 334.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0003445/0.3776, allocations: 172.6 kB / 428.5 MB, free: 8.898 MB / 334.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.623e-06/0.3776, allocations: 0 / 428.5 MB, free: 8.898 MB / 334.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001257/0.3778, allocations: 27.92 kB / 428.5 MB, free: 8.871 MB / 334.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 3.507e-06/0.3778, allocations: 0 / 428.5 MB, free: 8.871 MB / 334.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.51e-05/0.3778, allocations: 4 kB / 428.5 MB, free: 8.867 MB / 334.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 6.623e-06/0.3778, allocations: 7.984 kB / 428.5 MB, free: 8.859 MB / 334.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.122e-06/0.3778, allocations: 4 kB / 428.5 MB, free: 8.855 MB / 334.1 MB [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/BackendDAETransform.mo:332:7-332:48:writable] Error: Internal error BackendDAETransform.analyseStrongComponentBlock failed (Purely discrete algebraic loops cannot be solved by iterative processes. Try to break them open using the delay() operator.) sum1.y sum2.u[2] sum2.y hold1.u hold1.y sample2.y sum1.u[2] sum1.y = sum1.k[1] * sum1.u[1] + sum1.k[2] * sum1.u[2] sum1.u[2] = sample2.y sample2.y = $getPart(hold1.y) hold1.y = $getPart(hold1.u) hold1.u = sum2.y sum2.y = sum2.k[1] * sum2.u[1] + sum2.k[2] * sum2.u[2] sum2.u[2] = sum1.y [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/BackendDAETransform.mo:342:7-342:48:writable] Error: Internal error BackendDAETransform.analyseStrongComponentBlock failed variables: sum1.y sum2.u[2] sum2.y hold1.u hold1.y sample2.y sum1.u[2] equations: sum1.y = sum1.k[1] * sum1.u[1] + sum1.k[2] * sum1.u[2] sum1.u[2] = sample2.y sample2.y = $getPart(hold1.y) hold1.y = $getPart(hold1.u) hold1.u = sum2.y sum2.y = sum2.k[1] * sum2.u[1] + sum2.k[2] * sum2.u[2] sum2.u[2] = sum1.y [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/BackendDAETransform.mo:346:7-346:90:writable] Error: Internal error function analyseStrongComponentBlock failed [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/BackendDAETransform.mo:196:5-196:89:writable] Error: Internal error function analyseStrongComponentScalar failed [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/BackendDAETransform.mo:107:7-107:113:writable] Error: Internal error function strongComponentsScalar failed (sorting strong components) [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/BackendDAEUtil.mo:8030:5-8030:89:writable] Error: Internal error Transformation module sort components failed Warning: The optimization module detectJacobianSparsePattern failed. This module will be skipped and the transformation process continued. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006066/0.3784, allocations: 379.5 kB / 428.9 MB, free: 8.469 MB / 334.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0001261/0.3785, allocations: 31.88 kB / 428.9 MB, free: 8.438 MB / 334.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 4.02e-05/0.3785, allocations: 4 kB / 428.9 MB, free: 8.434 MB / 334.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001176/0.3787, allocations: 7.984 kB / 428.9 MB, free: 8.426 MB / 334.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 5.565e-05/0.3787, allocations: 4 kB / 428.9 MB, free: 8.422 MB / 334.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.161e-05/0.3787, allocations: 8 kB / 429 MB, free: 8.414 MB / 334.1 MB Notification: Performance of sorting global known variables: time 0.0001289/0.3789, allocations: 118 kB / 429.1 MB, free: 8.301 MB / 334.1 MB Notification: Performance of sort global known variables: time 8e-08/0.3789, allocations: 4 kB / 429.1 MB, free: 8.297 MB / 334.1 MB Notification: Performance of remove unused functions: time 0.0003065/0.3792, allocations: 16 kB / 429.1 MB, free: 8.281 MB / 334.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 0 () * Number of discrete variables: 12 (sample1.u,hold1.y,sample1.y,hold1.u,sample2.y,sum1.u[1],sum1.u[2],sum1.y,sum2.u[1],sum2.u[2],sum2.y,integerConstant.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (12): * Single equations (assignments): 12 * 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 0.0001368/0.3793, allocations: 111.2 kB / 429.2 MB, free: 8.164 MB / 334.1 MB Notification: Performance of simCode: created initialization part: time 0.0002768/0.3796, allocations: 71.84 kB / 429.3 MB, free: 8.094 MB / 334.1 MB Notification: Performance of simCode: created event and clocks part: time 2.174e-06/0.3796, allocations: 0.6875 kB / 429.3 MB, free: 8.094 MB / 334.1 MB Notification: Performance of simCode: created simulation system equations: time 4.452e-05/0.3796, allocations: 19.98 kB / 429.3 MB, free: 8.074 MB / 334.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0005012/0.3801, allocations: 59.88 kB / 429.3 MB, free: 8.016 MB / 334.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0005374/0.3807, allocations: 235.8 kB / 429.6 MB, free: 7.754 MB / 334.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004139/0.3811, allocations: 0.7165 MB / 430.3 MB, free: 7.012 MB / 334.1 MB Notification: Performance of simCode: alias equations: time 3.911e-05/0.3811, allocations: 8.625 kB / 430.3 MB, free: 7.004 MB / 334.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 3.446e-05/0.3812, allocations: 11.44 kB / 430.3 MB, free: 6.992 MB / 334.1 MB Notification: Performance of SimCode: time 3.4e-07/0.3812, allocations: 0 / 430.3 MB, free: 6.992 MB / 334.1 MB Notification: Performance of Templates: time 0.00455/0.3857, allocations: 0.9938 MB / 431.3 MB, free: 6.004 MB / 334.1 MB " [Timeout remaining time 660] make -j1 -f Modelica_4.0.0_Modelica.Clocked.Examples.Elementary.IntegerSignals.Sample2.makefile [Timeout 660] (rm -f Modelica_4.0.0_Modelica.Clocked.Examples.Elementary.IntegerSignals.Sample2.pipe ; mkfifo Modelica_4.0.0_Modelica.Clocked.Examples.Elementary.IntegerSignals.Sample2.pipe ; head -c 1048576 < Modelica_4.0.0_Modelica.Clocked.Examples.Elementary.IntegerSignals.Sample2.pipe >> ../files/Modelica_4.0.0_Modelica.Clocked.Examples.Elementary.IntegerSignals.Sample2.sim & ./Modelica_4.0.0_Modelica.Clocked.Examples.Elementary.IntegerSignals.Sample2 -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Modelica_4.0.0_Modelica.Clocked.Examples.Elementary.IntegerSignals.Sample2.pipe 2>&1) [Timeout 480] diffSimulationResults("Modelica_4.0.0_Modelica.Clocked.Examples.Elementary.IntegerSignals.Sample2_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/Modelica/Clocked/Examples/Elementary/IntegerSignals/Sample2/Sample2.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Modelica_4.0.0_Modelica.Clocked.Examples.Elementary.IntegerSignals.Sample2.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: 4.90567725431174]